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Use plain CSS instead of Less

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Miraty 2023-05-31 02:40:31 +02:00
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69 changed files with 72 additions and 11942 deletions
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less.php/CHANGES.md
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# 3.1.0
- [All Changes](https://github.com/wikimedia/less.php/compare/v3.0.0...v3.1.0)
* PHP 8.0 support: Drop use of curly braces for sub-string eval (James D. Forrester)
* Make `Directive::__construct` $rules arg optional (fix PHP 7.4 warning) (Sam Reed)
* ProcessExtends: Improve performance by using a map for selectors and parents (Andrey Legayev)
* build: Run CI tests on PHP 8.0 too (James D. Forrester)
* code: Fix PSR12.Properties.ConstantVisibility.NotFound (Sam Reed)
# 3.0.0
- [All Changes](https://github.com/wikimedia/less.php/compare/v2.0.0...v3.0.0)
- Raise PHP requirement from 7.1 to 7.2.9 (James Forrester)
- build: Upgrade phpunit to ^8.5 and make pass (James Forrester)
- build: Install php-parallel-lint (James Forrester)
- build: Install minus-x and make pass (James Forrester)
# 2.0.0
- [All Changes](https://github.com/wikimedia/less.php/compare/1.8.2...v2.0.0)
- Relax PHP requirement down to 7.1, from 7.2.9 (Franz Liedke)
- Reflect recent breaking changes properly with the semantic versioning (James Forrester)
# 1.8.2
- [All Changes](https://github.com/wikimedia/less.php/compare/1.8.1...1.8.2)
- Require PHP 7.2.9+, up from 5.3+ (James Forrester)
- Release: Update Version.php with the current release ID (COBadger)
- Fix access array offset on value of type null (Michele Locati)
- Fixed test suite on PHP 7.4 (Sergei Morozov)
- docs: Fix 1.8.1 "All changes" link (Timo Tijhof)
# 1.8.1
- [All Changes](https://github.com/wikimedia/less.php/compare/v1.8.0...1.8.1)
- Another PHP 7.3 compatibility tweak
# 1.8.0
- [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.13...v1.8.0)
- Wikimedia fork
- Supports up to PHP 7.3
- No longer tested against PHP 5, though it's still remains allowed in `composer.json` for HHVM compatibility
- Switched to [semantic versioning](https://semver.org/), hence version numbers now use 3 digits
# 1.7.0.13
- [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.12...v1.7.0.13)
- Fix composer.json (PSR-4 was invalid)
# 1.7.0.12
- [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.11...v1.7.0.12)
- set bin/lessc bit executable
- Add 'gettingVariables' method in Less_Parser
# 1.7.0.11
- [All Changes](https://github.com/Asenar/less.php/compare/v1.7.0.10...v1.7.0.11)
- Fix realpath issue (windows)
- Set Less_Tree_Call property back to public ( Fix 258 266 267 issues from oyejorge/less.php)
# 1.7.0.10
- [All Changes](https://github.com/oyejorge/less.php/compare/v1.7.0.9...v1.7.10)
- Add indentation option
- Add 'optional' modifier for @import
- fix $color in Exception messages
- don't use set_time_limit when running cli
- take relative-url into account when building the cache filename
- urlArgs should be string no array()
- add bug-report fixtures [#6dc898f](https://github.com/oyejorge/less.php/commit/6dc898f5d75b447464906bdf19d79c2e19d95e33)
- fix #269, missing on NameValue type [#a8dac63](https://github.com/oyejorge/less.php/commit/a8dac63d93fb941c54fb78b12588abf635747c1b)
# 1.7.0.9
- [All Changes](https://github.com/oyejorge/less.php/compare/v1.7.0.8...v1.7.0.9)
- Remove space at beginning of Version.php
- Revert require() paths in test interface

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less.php/README.md
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[![Continuous Integration](https://github.com/wikimedia/less.php/workflows/PHP%20Test/badge.svg)](https://github.com/wikimedia/less.php/actions)
[Less.php](http://lessphp.typesettercms.com)
========
This is the Wikimedia fork of a PHP port of the official LESS processor <http://lesscss.org>.
* [About](#about)
* [Installation](#installation)
* [Basic Use](#basic-use)
* [Caching](#caching)
* [Source Maps](#source-maps)
* [Command Line](#command-line)
* [Integration with other projects](#integration-with-other-projects)
* [Transitioning from Leafo/lessphp](#transitioning-from-leafolessphp)
* [Credits](#credits)
About
---
The code structure of less.php mirrors that of the official processor which helps us ensure compatibility and allows for easy maintenance.
Please note, there are a few unsupported LESS features:
- Evaluation of JavaScript expressions within back-ticks (for obvious reasons).
- Definition of custom functions.
Installation
---
You can install the library with Composer or manually.
#### Composer
1. [Install Composer](https://getcomposer.org/download/)
2. Run `composer require wikimedia/less.php`
#### Manually From Release
Step 1. [Download a release](https://github.com/wikimedia/less.php/releases) and upload the PHP files to your server.
Step 2. Include the library:
```php
require_once '[path to less.php]/lib/Less/Autoloader.php';
Less_Autoloader::register();
```
Basic Use
---
#### Parsing Strings
```php
$parser = new Less_Parser();
$parser->parse( '@color: #4D926F; #header { color: @color; } h2 { color: @color; }' );
$css = $parser->getCss();
```
#### Parsing LESS Files
The parseFile() function takes two arguments:
1. The absolute path of the .less file to be parsed
2. The url root to prepend to any relative image or @import urls in the .less file.
```php
$parser = new Less_Parser();
$parser->parseFile( '/var/www/mysite/bootstrap.less', 'http://example.com/mysite/' );
$css = $parser->getCss();
```
#### Handling Invalid LESS
An exception will be thrown if the compiler encounters invalid LESS.
```php
try{
$parser = new Less_Parser();
$parser->parseFile( '/var/www/mysite/bootstrap.less', 'http://example.com/mysite/' );
$css = $parser->getCss();
}catch(Exception $e){
$error_message = $e->getMessage();
}
```
#### Parsing Multiple Sources
less.php can parse multiple sources to generate a single CSS file.
```php
$parser = new Less_Parser();
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$parser->parse( '@color: #4D926F; #header { color: @color; } h2 { color: @color; }' );
$css = $parser->getCss();
```
#### Getting Info About The Parsed Files
less.php can tell you which .less files were imported and parsed.
```php
$parser = new Less_Parser();
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$css = $parser->getCss();
$imported_files = $parser->allParsedFiles();
```
#### Compressing Output
You can tell less.php to remove comments and whitespace to generate minimized CSS files.
```php
$options = array( 'compress'=>true );
$parser = new Less_Parser( $options );
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$css = $parser->getCss();
```
#### Getting Variables
You can use the getVariables() method to get an all variables defined and
their value in a php associative array. Note that LESS has to be previously
compiled.
```php
$parser = new Less_Parser;
$parser->parseFile( '/var/www/mysite/bootstrap.less');
$css = $parser->getCss();
$variables = $parser->getVariables();
```
#### Setting Variables
You can use the ModifyVars() method to customize your CSS if you have variables stored in PHP associative arrays.
```php
$parser = new Less_Parser();
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$parser->ModifyVars( array('font-size-base'=>'16px') );
$css = $parser->getCss();
```
#### Import Directories
By default, less.php will look for @imports in the directory of the file passed to parseFile().
If you're using parse() or if @imports reside in different directories, you can tell less.php where to look.
```php
$directories = array( '/var/www/mysite/bootstrap/' => '/mysite/bootstrap/' );
$parser = new Less_Parser();
$parser->SetImportDirs( $directories );
$parser->parseFile( '/var/www/mysite/theme.less', '/mysite/' );
$css = $parser->getCss();
```
Caching
---
Compiling LESS code into CSS is a time consuming process, caching your results is highly recommended.
#### Caching CSS
Use the Less_Cache class to save and reuse the results of compiled LESS files.
This method will check the modified time and size of each LESS file (including imported files) and regenerate a new CSS file when changes are found.
Note: When changes are found, this method will return a different file name for the new cached content.
```php
$less_files = array( '/var/www/mysite/bootstrap.less' => '/mysite/' );
$options = array( 'cache_dir' => '/var/www/writable_folder' );
$css_file_name = Less_Cache::Get( $less_files, $options );
$compiled = file_get_contents( '/var/www/writable_folder/'.$css_file_name );
```
#### Caching CSS With Variables
Passing options to Less_Cache::Get()
```php
$less_files = array( '/var/www/mysite/bootstrap.less' => '/mysite/' );
$options = array( 'cache_dir' => '/var/www/writable_folder' );
$variables = array( 'width' => '100px' );
$css_file_name = Less_Cache::Get( $less_files, $options, $variables );
$compiled = file_get_contents( '/var/www/writable_folder/'.$css_file_name );
```
#### Parser Caching
less.php will save serialized parser data for each .less file if a writable folder is passed to the SetCacheDir() method.
Note: This feature only caches intermediate parsing results to improve the performance of repeated CSS generation.
Your application should cache any CSS generated by less.php.
```php
$options = array('cache_dir'=>'/var/www/writable_folder');
$parser = new Less_Parser( $options );
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$css = $parser->getCss();
```
You can specify the caching technique used by changing the ```cache_method``` option. Supported methods are:
* ```php```: Creates valid PHP files which can be included without any changes (default method).
* ```var_export```: Like "php", but using PHP's ```var_export()``` function without any optimizations.
It's recommended to use "php" instead.
* ```serialize```: Faster, but pretty memory-intense.
* ```callback```: Use custom callback functions to implement your own caching method. Give the "cache_callback_get" and
"cache_callback_set" options with callables (see PHP's ```call_user_func()``` and ```is_callable()``` functions). less.php
will pass the parser object (class ```Less_Parser```), the path to the parsed .less file ("/some/path/to/file.less") and
an identifier that will change every time the .less file is modified. The ```get``` callback must return the ruleset
(an array with ```Less_Tree``` objects) provided as fourth parameter of the ```set``` callback. If something goes wrong,
return ```NULL``` (cache doesn't exist) or ```FALSE```.
Source Maps
---
Less.php supports v3 sourcemaps
#### Inline
The sourcemap will be appended to the generated CSS file.
```php
$options = array( 'sourceMap' => true );
$parser = new Less_Parser($options);
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$css = $parser->getCss();
```
#### Saving to Map File
```php
$options = array(
'sourceMap' => true,
'sourceMapWriteTo' => '/var/www/mysite/writable_folder/filename.map',
'sourceMapURL' => '/mysite/writable_folder/filename.map',
);
$parser = new Less_Parser($options);
$parser->parseFile( '/var/www/mysite/bootstrap.less', '/mysite/' );
$css = $parser->getCss();
```
Command line
---
An additional script has been included to use the compiler from the command line.
In the simplest invocation, you specify an input file and the compiled CSS is written to standard out:
```
$ lessc input.less > output.css
```
By using the -w flag you can watch a specified input file and have it compile as needed to the output file:
```
$ lessc -w input.less output.css
```
Errors from watch mode are written to standard out.
For more help, run `lessc --help`
Integration with other projects
---
#### Drupal 7
This library can be used as drop-in replacement of lessphp to work with [Drupal 7 less module](https://drupal.org/project/less).
How to install:
1. [Download the less.php source code](https://github.com/wikimedia/less.php/archive/master.zip) and unzip it so that 'lessc.inc.php' is located at 'sites/all/libraries/lessphp/lessc.inc.php'.
2. Download and install [Drupal 7 less module](https://drupal.org/project/less) as usual.
3. That's it :)
#### JBST WordPress theme
JBST has a built-in LESS compiler based on lessphp. Customize your WordPress theme with LESS.
How to use / install:
1. [Download the latest release](https://github.com/bassjobsen/jamedo-bootstrap-start-theme) copy the files to your {wordpress/}wp-content/themes folder and activate it.
2. Find the compiler under Appearance > LESS Compiler in your WordPress dashboard
3. Enter your LESS code in the text area and press (re)compile
Use the built-in compiler to:
- set any [Bootstrap](http://getbootstrap.com/customize/) variable or use Bootstrap's mixins:
-`@navbar-default-color: blue;`
- create a custom button: `.btn-custom {
.button-variant(white; red; blue);
}`
- set any built-in LESS variable: for example `@footer_bg_color: black;` sets the background color of the footer to black
- use built-in mixins: - add a custom font: `.include-custom-font(@family: arial,@font-path, @path: @custom-font-dir, @weight: normal, @style: normal);`
The compiler can also be downloaded as [plugin](http://wordpress.org/plugins/wp-less-to-css/)
#### WordPress
This simple plugin will simply make the library available to other plugins and themes and can be used as a dependency using the [TGM Library](http://tgmpluginactivation.com/)
How to install:
1. Install the plugin from your WordPress Dashboard: http://wordpress.org/plugins/lessphp/
2. That's it :)
Transitioning from Leafo/lessphp
---
Projects looking for an easy transition from leafo/lessphp can use the lessc.inc.php adapter. To use, [Download the less.php source code](https://github.com/wikimedia/less.php/archive/master.zip) and unzip the files into your project so that the new 'lessc.inc.php' replaces the existing 'lessc.inc.php'.
Note, the 'setPreserveComments' will no longer have any effect on the compiled LESS.
Credits
---
less.php was originally ported to PHP by [Matt Agar](https://github.com/agar) and then updated by [Martin Jantošovič](https://github.com/Mordred). This Wikimedia-maintained fork was split off from [Josh Schmidt's version](https://github.com/oyejorge/less.php).

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#!/usr/bin/env php
<?php
require_once dirname(__FILE__) . '/../lib/Less/Autoloader.php';
Less_Autoloader::register();
// Create our environment
$env = array('compress' => false, 'relativeUrls' => false);
$silent = false;
$watch = false;
$rootpath = '';
// Check for arguments
array_shift($argv);
if (!count($argv)) {
$argv[] = '-h';
}
// parse arguments
foreach ($argv as $key => $arg) {
if (preg_match('/^--?([a-z][0-9a-z-]*)(?:=([^\s]+))?$/i', $arg, $matches)) {
$option = $matches[1];
$value = isset($matches[2]) ? $matches[2] : false;
unset($argv[$key]);
switch ($option) {
case 'h':
case 'help':
echo <<<EOD
Usage: lessc [options] sources [destination]
-h, --help Print help (this message) and exit.
-s, --silent Suppress output of error messages.
-v, --version Print version number and exit.
-x, --compress Compress output by removing some whitespaces.
--include-path=PATHS Set include paths. Separated by `:'. Use `;' on Windows.
--strict-imports Force evaluation of imports.
-sm=on|off Turn on or off strict math, where in strict mode, math
--strict-math=on|off requires brackets. This option may default to on and then
be removed in the future.
-su=on|off Allow mixed units, e.g. 1px+1em or 1px*1px which have units
--strict-units=on|off that cannot be represented.
-ru, --relative-urls re-write relative urls to the base less file.
-rp, --rootpath=URL Set rootpath for url rewriting in relative imports and urls.
Works with or without the relative-urls option.
-w, --watch Watch input files for changes.
EOD;
exit;
case 's':
case 'silent':
$silent = true;
break;
case 'w':
case 'watch':
$watch = true;
break;
case 'v':
case 'version':
echo "lessc " . Less_Version::version . " (less.php)\n\n";
exit;
case 'rp':
case 'rootpath':
$rootpath = $value;
break;
//parser options
case 'compress':
$env['compress'] = true;
break;
case 'ru':
case 'relative-urls':
$env['relativeUrls'] = true;
break;
case 'su':
case 'strict-units':
$env['strictUnits'] = ($value === 'on');
break;
case 'sm':
case 'strict-math':
$env['strictMath'] = ($value === 'on');
break;
case 'x':
case 'include-path':
$env['import_dirs'] = preg_split('#;|\:#', $value);
break;
}
}
}
if (count($argv) > 1) {
$output = array_pop($argv);
$inputs = $argv;
}
else {
$inputs = $argv;
$output = false;
}
if (!count($inputs)) {
echo("lessc: no input files\n");
exit;
}
if ($watch) {
if (!$output) {
echo("lessc: you must specify the output file if --watch is given\n");
exit;
}
$lastAction = 0;
echo("lessc: watching input files\n");
while (1) {
clearstatcache();
$updated = false;
foreach ($inputs as $input) {
if ($input == '-') {
if (count($inputs) == 1) {
echo("lessc: during watching files is not possible to watch stdin\n");
exit;
}
else {
continue;
}
}
if (filemtime($input) > $lastAction) {
$updated = true;
break;
}
}
if ($updated) {
$lastAction = time();
$parser = new Less_Parser($env);
foreach ($inputs as $input) {
try {
$parser->parseFile($input, $rootpath);
}
catch (Exception $e) {
echo("lessc: " . $e->getMessage() . " \n");
continue; // Invalid processing
}
}
file_put_contents($output, $parser->getCss());
echo("lessc: output file recompiled\n");
}
sleep(1);
}
}
else {
$parser = new Less_Parser($env);
foreach ($inputs as $input) {
if ($input == '-') {
$content = file_get_contents('php://stdin');
$parser->parse($content);
}
else {
try {
$parser->parseFile($input);
}
catch (Exception $e) {
if (!$silent) {
echo("lessc: " . ((string)$e) . " \n");
}
}
}
}
if ($output) {
file_put_contents($output, $parser->getCss());
}
else {
echo $parser->getCss();
}
}

274
less.php/lessc.inc.php
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<?php
/**
* This file provides the part of lessphp API (https://github.com/leafo/lessphp)
* to be a drop-in replacement for following products:
* - Drupal 7, by the less module v3.0+ (https://drupal.org/project/less)
* - Symfony 2
*/
// Register autoloader for non-composer installations
if ( !class_exists( 'Less_Parser' ) ) {
require_once __DIR__ . '/lib/Less/Autoloader.php';
Less_Autoloader::register();
}
class lessc {
static public $VERSION = Less_Version::less_version;
public $importDir = '';
protected $allParsedFiles = array();
protected $libFunctions = array();
protected $registeredVars = array();
private $formatterName;
private $options = array();
public function __construct( $lessc = null, $sourceName = null ) {
}
public function setImportDir( $dirs ) {
$this->importDir = (array)$dirs;
}
public function addImportDir( $dir ) {
$this->importDir = (array)$this->importDir;
$this->importDir[] = $dir;
}
public function setFormatter( $name ) {
$this->formatterName = $name;
}
public function setPreserveComments( $preserve ) {
}
public function registerFunction( $name, $func ) {
$this->libFunctions[$name] = $func;
}
public function unregisterFunction( $name ) {
unset( $this->libFunctions[$name] );
}
public function setVariables( $variables ) {
foreach ( $variables as $name => $value ) {
$this->setVariable( $name, $value );
}
}
public function setVariable( $name, $value ) {
$this->registeredVars[$name] = $value;
}
public function unsetVariable( $name ) {
unset( $this->registeredVars[$name] );
}
public function setOptions( $options ) {
foreach ( $options as $name => $value ) {
$this->setOption( $name, $value );
}
}
public function setOption( $name, $value ) {
$this->options[$name] = $value;
}
public function parse( $buffer, $presets = array() ) {
$this->setVariables( $presets );
$parser = new Less_Parser( $this->getOptions() );
$parser->setImportDirs( $this->getImportDirs() );
foreach ( $this->libFunctions as $name => $func ) {
$parser->registerFunction( $name, $func );
}
$parser->parse( $buffer );
if ( count( $this->registeredVars ) ) {
$parser->ModifyVars( $this->registeredVars );
}
return $parser->getCss();
}
protected function getOptions() {
$options = array( 'relativeUrls' => false );
switch ( $this->formatterName ) {
case 'compressed':
$options['compress'] = true;
break;
}
if ( is_array( $this->options ) ) {
$options = array_merge( $options, $this->options );
}
return $options;
}
protected function getImportDirs() {
$dirs_ = (array)$this->importDir;
$dirs = array();
foreach ( $dirs_ as $dir ) {
$dirs[$dir] = '';
}
return $dirs;
}
public function compile( $string, $name = null ) {
$oldImport = $this->importDir;
$this->importDir = (array)$this->importDir;
$this->allParsedFiles = array();
$parser = new Less_Parser( $this->getOptions() );
$parser->SetImportDirs( $this->getImportDirs() );
if ( count( $this->registeredVars ) ) {
$parser->ModifyVars( $this->registeredVars );
}
foreach ( $this->libFunctions as $name => $func ) {
$parser->registerFunction( $name, $func );
}
$parser->parse( $string );
$out = $parser->getCss();
$parsed = Less_Parser::AllParsedFiles();
foreach ( $parsed as $file ) {
$this->addParsedFile( $file );
}
$this->importDir = $oldImport;
return $out;
}
public function compileFile( $fname, $outFname = null ) {
if ( !is_readable( $fname ) ) {
throw new Exception( 'load error: failed to find '.$fname );
}
$pi = pathinfo( $fname );
$oldImport = $this->importDir;
$this->importDir = (array)$this->importDir;
$this->importDir[] = Less_Parser::AbsPath( $pi['dirname'] ).'/';
$this->allParsedFiles = array();
$this->addParsedFile( $fname );
$parser = new Less_Parser( $this->getOptions() );
$parser->SetImportDirs( $this->getImportDirs() );
if ( count( $this->registeredVars ) ) {
$parser->ModifyVars( $this->registeredVars );
}
foreach ( $this->libFunctions as $name => $func ) {
$parser->registerFunction( $name, $func );
}
$parser->parseFile( $fname );
$out = $parser->getCss();
$parsed = Less_Parser::AllParsedFiles();
foreach ( $parsed as $file ) {
$this->addParsedFile( $file );
}
$this->importDir = $oldImport;
if ( $outFname !== null ) {
return file_put_contents( $outFname, $out );
}
return $out;
}
public function checkedCompile( $in, $out ) {
if ( !is_file( $out ) || filemtime( $in ) > filemtime( $out ) ) {
$this->compileFile( $in, $out );
return true;
}
return false;
}
/**
* Execute lessphp on a .less file or a lessphp cache structure
*
* The lessphp cache structure contains information about a specific
* less file having been parsed. It can be used as a hint for future
* calls to determine whether or not a rebuild is required.
*
* The cache structure contains two important keys that may be used
* externally:
*
* compiled: The final compiled CSS
* updated: The time (in seconds) the CSS was last compiled
*
* The cache structure is a plain-ol' PHP associative array and can
* be serialized and unserialized without a hitch.
*
* @param mixed $in Input
* @param bool $force Force rebuild?
* @return array lessphp cache structure
*/
public function cachedCompile( $in, $force = false ) {
// assume no root
$root = null;
if ( is_string( $in ) ) {
$root = $in;
} elseif ( is_array( $in ) and isset( $in['root'] ) ) {
if ( $force or !isset( $in['files'] ) ) {
// If we are forcing a recompile or if for some reason the
// structure does not contain any file information we should
// specify the root to trigger a rebuild.
$root = $in['root'];
} elseif ( isset( $in['files'] ) and is_array( $in['files'] ) ) {
foreach ( $in['files'] as $fname => $ftime ) {
if ( !file_exists( $fname ) or filemtime( $fname ) > $ftime ) {
// One of the files we knew about previously has changed
// so we should look at our incoming root again.
$root = $in['root'];
break;
}
}
}
} else {
// TODO: Throw an exception? We got neither a string nor something
// that looks like a compatible lessphp cache structure.
return null;
}
if ( $root !== null ) {
// If we have a root value which means we should rebuild.
$out = array();
$out['root'] = $root;
$out['compiled'] = $this->compileFile( $root );
$out['files'] = $this->allParsedFiles();
$out['updated'] = time();
return $out;
} else {
// No changes, pass back the structure
// we were given initially.
return $in;
}
}
public function ccompile( $in, $out, $less = null ) {
if ( $less === null ) {
$less = new self;
}
return $less->checkedCompile( $in, $out );
}
public static function cexecute( $in, $force = false, $less = null ) {
if ( $less === null ) {
$less = new self;
}
return $less->cachedCompile( $in, $force );
}
public function allParsedFiles() {
return $this->allParsedFiles;
}
protected function addParsedFile( $file ) {
$this->allParsedFiles[Less_Parser::AbsPath( $file )] = filemtime( $file );
}
}

2
less.php/lib/Less/.easymin/ignore_prefixes
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.easymin
Autoloader.php

77
less.php/lib/Less/Autoloader.php
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@ -1,77 +0,0 @@
<?php
/**
* Autoloader
*
* @package Less
* @subpackage autoload
*/
class Less_Autoloader {
/**
* Registered flag
*
* @var boolean
*/
protected static $registered = false;
/**
* Library directory
*
* @var string
*/
protected static $libDir;
/**
* Register the autoloader in the spl autoloader
*
* @return void
* @throws Exception If there was an error in registration
*/
public static function register() {
if ( self::$registered ) {
return;
}
self::$libDir = dirname( __FILE__ );
if ( false === spl_autoload_register( array( 'Less_Autoloader', 'loadClass' ) ) ) {
throw new Exception( 'Unable to register Less_Autoloader::loadClass as an autoloading method.' );
}
self::$registered = true;
}
/**
* Unregisters the autoloader
*
* @return void
*/
public static function unregister() {
spl_autoload_unregister( array( 'Less_Autoloader', 'loadClass' ) );
self::$registered = false;
}
/**
* Loads the class
*
* @param string $className The class to load
*/
public static function loadClass( $className ) {
// handle only package classes
if ( strpos( $className, 'Less_' ) !== 0 ) {
return;
}
$className = substr( $className, 5 );
$fileName = self::$libDir . DIRECTORY_SEPARATOR . str_replace( '_', DIRECTORY_SEPARATOR, $className ) . '.php';
if ( file_exists( $fileName ) ) {
require $fileName;
return true;
} else {
throw new Exception( 'file not loadable '.$fileName );
}
}
}

293
less.php/lib/Less/Cache.php
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<?php
require_once dirname( __FILE__ ).'/Version.php';
/**
* Utility for handling the generation and caching of css files
*
* @package Less
* @subpackage cache
*
*/
class Less_Cache {
// directory less.php can use for storing data
public static $cache_dir = false;
// prefix for the storing data
public static $prefix = 'lessphp_';
// prefix for the storing vars
public static $prefix_vars = 'lessphpvars_';
// specifies the number of seconds after which data created by less.php will be seen as 'garbage' and potentially cleaned up
public static $gc_lifetime = 604800;
/**
* Save and reuse the results of compiled less files.
* The first call to Get() will generate css and save it.
* Subsequent calls to Get() with the same arguments will return the same css filename
*
* @param array $less_files Array of .less files to compile
* @param array $parser_options Array of compiler options
* @param array $modify_vars Array of variables
* @return string Name of the css file
*/
public static function Get( $less_files, $parser_options = array(), $modify_vars = array() ) {
// check $cache_dir
if ( isset( $parser_options['cache_dir'] ) ) {
Less_Cache::$cache_dir = $parser_options['cache_dir'];
}
if ( empty( Less_Cache::$cache_dir ) ) {
throw new Exception( 'cache_dir not set' );
}
if ( isset( $parser_options['prefix'] ) ) {
Less_Cache::$prefix = $parser_options['prefix'];
}
if ( empty( Less_Cache::$prefix ) ) {
throw new Exception( 'prefix not set' );
}
if ( isset( $parser_options['prefix_vars'] ) ) {
Less_Cache::$prefix_vars = $parser_options['prefix_vars'];
}
if ( empty( Less_Cache::$prefix_vars ) ) {
throw new Exception( 'prefix_vars not set' );
}
self::CheckCacheDir();
$less_files = (array)$less_files;
// create a file for variables
if ( !empty( $modify_vars ) ) {
$lessvars = Less_Parser::serializeVars( $modify_vars );
$vars_file = Less_Cache::$cache_dir . Less_Cache::$prefix_vars . sha1( $lessvars ) . '.less';
if ( !file_exists( $vars_file ) ) {
file_put_contents( $vars_file, $lessvars );
}
$less_files += array( $vars_file => '/' );
}
// generate name for compiled css file
$hash = md5( json_encode( $less_files ) );
$list_file = Less_Cache::$cache_dir . Less_Cache::$prefix . $hash . '.list';
// check cached content
if ( !isset( $parser_options['use_cache'] ) || $parser_options['use_cache'] === true ) {
if ( file_exists( $list_file ) ) {
self::ListFiles( $list_file, $list, $cached_name );
$compiled_name = self::CompiledName( $list, $hash );
// if $cached_name is the same as the $compiled name, don't regenerate
if ( !$cached_name || $cached_name === $compiled_name ) {
$output_file = self::OutputFile( $compiled_name, $parser_options );
if ( $output_file && file_exists( $output_file ) ) {
@touch( $list_file );
return basename( $output_file ); // for backwards compatibility, we just return the name of the file
}
}
}
}
$compiled = self::Cache( $less_files, $parser_options );
if ( !$compiled ) {
return false;
}
$compiled_name = self::CompiledName( $less_files, $hash );
$output_file = self::OutputFile( $compiled_name, $parser_options );
// save the file list
$list = $less_files;
$list[] = $compiled_name;
$cache = implode( "\n", $list );
file_put_contents( $list_file, $cache );
// save the css
file_put_contents( $output_file, $compiled );
// clean up
self::CleanCache();
return basename( $output_file );
}
/**
* Force the compiler to regenerate the cached css file
*
* @param array $less_files Array of .less files to compile
* @param array $parser_options Array of compiler options
* @param array $modify_vars Array of variables
* @return string Name of the css file
*/
public static function Regen( $less_files, $parser_options = array(), $modify_vars = array() ) {
$parser_options['use_cache'] = false;
return self::Get( $less_files, $parser_options, $modify_vars );
}
public static function Cache( &$less_files, $parser_options = array() ) {
// get less.php if it exists
$file = dirname( __FILE__ ) . '/Less.php';
if ( file_exists( $file ) && !class_exists( 'Less_Parser' ) ) {
require_once $file;
}
$parser_options['cache_dir'] = Less_Cache::$cache_dir;
$parser = new Less_Parser( $parser_options );
// combine files
foreach ( $less_files as $file_path => $uri_or_less ) {
// treat as less markup if there are newline characters
if ( strpos( $uri_or_less, "\n" ) !== false ) {
$parser->Parse( $uri_or_less );
continue;
}
$parser->ParseFile( $file_path, $uri_or_less );
}
$compiled = $parser->getCss();
$less_files = $parser->allParsedFiles();
return $compiled;
}
private static function OutputFile( $compiled_name, $parser_options ) {
// custom output file
if ( !empty( $parser_options['output'] ) ) {
// relative to cache directory?
if ( preg_match( '#[\\\\/]#', $parser_options['output'] ) ) {
return $parser_options['output'];
}
return Less_Cache::$cache_dir.$parser_options['output'];
}
return Less_Cache::$cache_dir.$compiled_name;
}
private static function CompiledName( $files, $extrahash ) {
// save the file list
$temp = array( Less_Version::cache_version );
foreach ( $files as $file ) {
$temp[] = filemtime( $file )."\t".filesize( $file )."\t".$file;
}
return Less_Cache::$prefix.sha1( json_encode( $temp ).$extrahash ).'.css';
}
public static function SetCacheDir( $dir ) {
Less_Cache::$cache_dir = $dir;
self::CheckCacheDir();
}
public static function CheckCacheDir() {
Less_Cache::$cache_dir = str_replace( '\\', '/', Less_Cache::$cache_dir );
Less_Cache::$cache_dir = rtrim( Less_Cache::$cache_dir, '/' ).'/';
if ( !file_exists( Less_Cache::$cache_dir ) ) {
if ( !mkdir( Less_Cache::$cache_dir ) ) {
throw new Less_Exception_Parser( 'Less.php cache directory couldn\'t be created: '.Less_Cache::$cache_dir );
}
} elseif ( !is_dir( Less_Cache::$cache_dir ) ) {
throw new Less_Exception_Parser( 'Less.php cache directory doesn\'t exist: '.Less_Cache::$cache_dir );
} elseif ( !is_writable( Less_Cache::$cache_dir ) ) {
throw new Less_Exception_Parser( 'Less.php cache directory isn\'t writable: '.Less_Cache::$cache_dir );
}
}
/**
* Delete unused less.php files
*
*/
public static function CleanCache() {
static $clean = false;
if ( $clean || empty( Less_Cache::$cache_dir ) ) {
return;
}
$clean = true;
// only remove files with extensions created by less.php
// css files removed based on the list files
$remove_types = array( 'lesscache' => 1,'list' => 1,'less' => 1,'map' => 1 );
$files = scandir( Less_Cache::$cache_dir );
if ( !$files ) {
return;
}
$check_time = time() - self::$gc_lifetime;
foreach ( $files as $file ) {
// don't delete if the file wasn't created with less.php
if ( strpos( $file, Less_Cache::$prefix ) !== 0 ) {
continue;
}
$parts = explode( '.', $file );
$type = array_pop( $parts );
if ( !isset( $remove_types[$type] ) ) {
continue;
}
$full_path = Less_Cache::$cache_dir . $file;
$mtime = filemtime( $full_path );
// don't delete if it's a relatively new file
if ( $mtime > $check_time ) {
continue;
}
// delete the list file and associated css file
if ( $type === 'list' ) {
self::ListFiles( $full_path, $list, $css_file_name );
if ( $css_file_name ) {
$css_file = Less_Cache::$cache_dir . $css_file_name;
if ( file_exists( $css_file ) ) {
unlink( $css_file );
}
}
}
unlink( $full_path );
}
}
/**
* Get the list of less files and generated css file from a list file
*
*/
static function ListFiles( $list_file, &$list, &$css_file_name ) {
$list = explode( "\n", file_get_contents( $list_file ) );
// pop the cached name that should match $compiled_name
$css_file_name = array_pop( $list );
if ( !preg_match( '/^' . Less_Cache::$prefix . '[a-f0-9]+\.css$/', $css_file_name ) ) {
$list[] = $css_file_name;
$css_file_name = false;
}
}
}

169
less.php/lib/Less/Colors.php
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@ -1,169 +0,0 @@
<?php
/**
* Utility for css colors
*
* @package Less
* @subpackage color
*/
class Less_Colors {
public static $colors = array(
'aliceblue' => '#f0f8ff',
'antiquewhite' => '#faebd7',
'aqua' => '#00ffff',
'aquamarine' => '#7fffd4',
'azure' => '#f0ffff',
'beige' => '#f5f5dc',
'bisque' => '#ffe4c4',
'black' => '#000000',
'blanchedalmond' => '#ffebcd',
'blue' => '#0000ff',
'blueviolet' => '#8a2be2',
'brown' => '#a52a2a',
'burlywood' => '#deb887',
'cadetblue' => '#5f9ea0',
'chartreuse' => '#7fff00',
'chocolate' => '#d2691e',
'coral' => '#ff7f50',
'cornflowerblue' => '#6495ed',
'cornsilk' => '#fff8dc',
'crimson' => '#dc143c',
'cyan' => '#00ffff',
'darkblue' => '#00008b',
'darkcyan' => '#008b8b',
'darkgoldenrod' => '#b8860b',
'darkgray' => '#a9a9a9',
'darkgrey' => '#a9a9a9',
'darkgreen' => '#006400',
'darkkhaki' => '#bdb76b',
'darkmagenta' => '#8b008b',
'darkolivegreen' => '#556b2f',
'darkorange' => '#ff8c00',
'darkorchid' => '#9932cc',
'darkred' => '#8b0000',
'darksalmon' => '#e9967a',
'darkseagreen' => '#8fbc8f',
'darkslateblue' => '#483d8b',
'darkslategray' => '#2f4f4f',
'darkslategrey' => '#2f4f4f',
'darkturquoise' => '#00ced1',
'darkviolet' => '#9400d3',
'deeppink' => '#ff1493',
'deepskyblue' => '#00bfff',
'dimgray' => '#696969',
'dimgrey' => '#696969',
'dodgerblue' => '#1e90ff',
'firebrick' => '#b22222',
'floralwhite' => '#fffaf0',
'forestgreen' => '#228b22',
'fuchsia' => '#ff00ff',
'gainsboro' => '#dcdcdc',
'ghostwhite' => '#f8f8ff',
'gold' => '#ffd700',
'goldenrod' => '#daa520',
'gray' => '#808080',
'grey' => '#808080',
'green' => '#008000',
'greenyellow' => '#adff2f',
'honeydew' => '#f0fff0',
'hotpink' => '#ff69b4',
'indianred' => '#cd5c5c',
'indigo' => '#4b0082',
'ivory' => '#fffff0',
'khaki' => '#f0e68c',
'lavender' => '#e6e6fa',
'lavenderblush' => '#fff0f5',
'lawngreen' => '#7cfc00',
'lemonchiffon' => '#fffacd',
'lightblue' => '#add8e6',
'lightcoral' => '#f08080',
'lightcyan' => '#e0ffff',
'lightgoldenrodyellow' => '#fafad2',
'lightgray' => '#d3d3d3',
'lightgrey' => '#d3d3d3',
'lightgreen' => '#90ee90',
'lightpink' => '#ffb6c1',
'lightsalmon' => '#ffa07a',
'lightseagreen' => '#20b2aa',
'lightskyblue' => '#87cefa',
'lightslategray' => '#778899',
'lightslategrey' => '#778899',
'lightsteelblue' => '#b0c4de',
'lightyellow' => '#ffffe0',
'lime' => '#00ff00',
'limegreen' => '#32cd32',
'linen' => '#faf0e6',
'magenta' => '#ff00ff',
'maroon' => '#800000',
'mediumaquamarine' => '#66cdaa',
'mediumblue' => '#0000cd',
'mediumorchid' => '#ba55d3',
'mediumpurple' => '#9370d8',
'mediumseagreen' => '#3cb371',
'mediumslateblue' => '#7b68ee',
'mediumspringgreen' => '#00fa9a',
'mediumturquoise' => '#48d1cc',
'mediumvioletred' => '#c71585',
'midnightblue' => '#191970',
'mintcream' => '#f5fffa',
'mistyrose' => '#ffe4e1',
'moccasin' => '#ffe4b5',
'navajowhite' => '#ffdead',
'navy' => '#000080',
'oldlace' => '#fdf5e6',
'olive' => '#808000',
'olivedrab' => '#6b8e23',
'orange' => '#ffa500',
'orangered' => '#ff4500',
'orchid' => '#da70d6',
'palegoldenrod' => '#eee8aa',
'palegreen' => '#98fb98',
'paleturquoise' => '#afeeee',
'palevioletred' => '#d87093',
'papayawhip' => '#ffefd5',
'peachpuff' => '#ffdab9',
'peru' => '#cd853f',
'pink' => '#ffc0cb',
'plum' => '#dda0dd',
'powderblue' => '#b0e0e6',
'purple' => '#800080',
'red' => '#ff0000',
'rosybrown' => '#bc8f8f',
'royalblue' => '#4169e1',
'saddlebrown' => '#8b4513',
'salmon' => '#fa8072',
'sandybrown' => '#f4a460',
'seagreen' => '#2e8b57',
'seashell' => '#fff5ee',
'sienna' => '#a0522d',
'silver' => '#c0c0c0',
'skyblue' => '#87ceeb',
'slateblue' => '#6a5acd',
'slategray' => '#708090',
'slategrey' => '#708090',
'snow' => '#fffafa',
'springgreen' => '#00ff7f',
'steelblue' => '#4682b4',
'tan' => '#d2b48c',
'teal' => '#008080',
'thistle' => '#d8bfd8',
'tomato' => '#ff6347',
'turquoise' => '#40e0d0',
'violet' => '#ee82ee',
'wheat' => '#f5deb3',
'white' => '#ffffff',
'whitesmoke' => '#f5f5f5',
'yellow' => '#ffff00',
'yellowgreen' => '#9acd32'
);
public static function hasOwnProperty( $color ) {
return isset( self::$colors[$color] );
}
public static function color( $color ) {
return self::$colors[$color];
}
}

66
less.php/lib/Less/Configurable.php
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<?php
/**
* Configurable
*
* @package Less
* @subpackage Core
*/
abstract class Less_Configurable {
/**
* Array of options
*
* @var array
*/
protected $options = array();
/**
* Array of default options
*
* @var array
*/
protected $defaultOptions = array();
/**
* Set options
*
* If $options is an object it will be converted into an array by called
* it's toArray method.
*
* @throws Exception
* @param array|object $options
*
*/
public function setOptions( $options ) {
$options = array_intersect_key( $options, $this->defaultOptions );
$this->options = array_merge( $this->defaultOptions, $this->options, $options );
}
/**
* Get an option value by name
*
* If the option is empty or not set a NULL value will be returned.
*
* @param string $name
* @param mixed $default Default value if confiuration of $name is not present
* @return mixed
*/
public function getOption( $name, $default = null ) {
if ( isset( $this->options[$name] ) ) {
return $this->options[$name];
}
return $default;
}
/**
* Set an option
*
* @param string $name
* @param mixed $value
*/
public function setOption( $name, $value ) {
$this->options[$name] = $value;
}
}

157
less.php/lib/Less/Environment.php
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<?php
/**
* Environment
*
* @package Less
* @subpackage environment
*/
class Less_Environment {
// public $paths = array(); // option - unmodified - paths to search for imports on
//public static $files = array(); // list of files that have been imported, used for import-once
//public $rootpath; // option - rootpath to append to URL's
//public static $strictImports = null; // option -
//public $insecure; // option - whether to allow imports from insecure ssl hosts
//public $processImports; // option - whether to process imports. if false then imports will not be imported
//public $javascriptEnabled; // option - whether JavaScript is enabled. if undefined, defaults to true
//public $useFileCache; // browser only - whether to use the per file session cache
public $currentFileInfo; // information about the current file - for error reporting and importing and making urls relative etc.
public $importMultiple = false; // whether we are currently importing multiple copies
/**
* @var array
*/
public $frames = array();
/**
* @var array
*/
public $mediaBlocks = array();
/**
* @var array
*/
public $mediaPath = array();
public static $parensStack = 0;
public static $tabLevel = 0;
public static $lastRule = false;
public static $_outputMap;
public static $mixin_stack = 0;
/**
* @var array
*/
public $functions = array();
public function Init() {
self::$parensStack = 0;
self::$tabLevel = 0;
self::$lastRule = false;
self::$mixin_stack = 0;
if ( Less_Parser::$options['compress'] ) {
Less_Environment::$_outputMap = array(
',' => ',',
': ' => ':',
'' => '',
' ' => ' ',
':' => ' :',
'+' => '+',
'~' => '~',
'>' => '>',
'|' => '|',
'^' => '^',
'^^' => '^^'
);
} else {
Less_Environment::$_outputMap = array(
',' => ', ',
': ' => ': ',
'' => '',
' ' => ' ',
':' => ' :',
'+' => ' + ',
'~' => ' ~ ',
'>' => ' > ',
'|' => '|',
'^' => ' ^ ',
'^^' => ' ^^ '
);
}
}
public function copyEvalEnv( $frames = array() ) {
$new_env = new Less_Environment();
$new_env->frames = $frames;
return $new_env;
}
public static function isMathOn() {
return !Less_Parser::$options['strictMath'] || Less_Environment::$parensStack;
}
public static function isPathRelative( $path ) {
return !preg_match( '/^(?:[a-z-]+:|\/)/', $path );
}
/**
* Canonicalize a path by resolving references to '/./', '/../'
* Does not remove leading "../"
* @param string path or url
* @return string Canonicalized path
*
*/
public static function normalizePath( $path ) {
$segments = explode( '/', $path );
$segments = array_reverse( $segments );
$path = array();
$path_len = 0;
while ( $segments ) {
$segment = array_pop( $segments );
switch ( $segment ) {
case '.':
break;
case '..':
if ( !$path_len || ( $path[$path_len - 1] === '..' ) ) {
$path[] = $segment;
$path_len++;
} else {
array_pop( $path );
$path_len--;
}
break;
default:
$path[] = $segment;
$path_len++;
break;
}
}
return implode( '/', $path );
}
public function unshiftFrame( $frame ) {
array_unshift( $this->frames, $frame );
}
public function shiftFrame() {
return array_shift( $this->frames );
}
}

203
less.php/lib/Less/Exception/Chunk.php
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<?php
/**
* Chunk Exception
*
* @package Less
* @subpackage exception
*/
class Less_Exception_Chunk extends Less_Exception_Parser {
protected $parserCurrentIndex = 0;
protected $emitFrom = 0;
protected $input_len;
/**
* Constructor
*
* @param string $input
* @param Exception $previous Previous exception
* @param integer $index The current parser index
* @param Less_FileInfo|string $currentFile The file
* @param integer $code The exception code
*/
public function __construct( $input, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) {
$this->message = 'ParseError: Unexpected input'; // default message
$this->index = $index;
$this->currentFile = $currentFile;
$this->input = $input;
$this->input_len = strlen( $input );
$this->Chunks();
$this->genMessage();
}
/**
* See less.js chunks()
* We don't actually need the chunks
*
*/
protected function Chunks() {
$level = 0;
$parenLevel = 0;
$lastMultiCommentEndBrace = null;
$lastOpening = null;
$lastMultiComment = null;
$lastParen = null;
for ( $this->parserCurrentIndex = 0; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
$cc = $this->CharCode( $this->parserCurrentIndex );
if ( ( ( $cc >= 97 ) && ( $cc <= 122 ) ) || ( $cc < 34 ) ) {
// a-z or whitespace
continue;
}
switch ( $cc ) {
// (
case 40:
$parenLevel++;
$lastParen = $this->parserCurrentIndex;
break;
// )
case 41:
$parenLevel--;
if ( $parenLevel < 0 ) {
return $this->fail( "missing opening `(`" );
}
break;
// ;
case 59:
// if (!$parenLevel) { $this->emitChunk(); }
break;
// {
case 123:
$level++;
$lastOpening = $this->parserCurrentIndex;
break;
// }
case 125:
$level--;
if ( $level < 0 ) {
return $this->fail( "missing opening `{`" );
}
// if (!$level && !$parenLevel) { $this->emitChunk(); }
break;
// \
case 92:
if ( $this->parserCurrentIndex < $this->input_len - 1 ) { $this->parserCurrentIndex++; break;
}
return $this->fail( "unescaped `\\`" );
// ", ' and `
case 34:
case 39:
case 96:
$matched = 0;
$currentChunkStartIndex = $this->parserCurrentIndex;
for ( $this->parserCurrentIndex = $this->parserCurrentIndex + 1; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
$cc2 = $this->CharCode( $this->parserCurrentIndex );
if ( $cc2 > 96 ) { continue;
}
if ( $cc2 == $cc ) { $matched = 1; break;
}
if ( $cc2 == 92 ) { // \
if ( $this->parserCurrentIndex == $this->input_len - 1 ) {
return $this->fail( "unescaped `\\`" );
}
$this->parserCurrentIndex++;
}
}
if ( $matched ) { break;
}
return $this->fail( "unmatched `" . chr( $cc ) . "`", $currentChunkStartIndex );
// /, check for comment
case 47:
if ( $parenLevel || ( $this->parserCurrentIndex == $this->input_len - 1 ) ) { break;
}
$cc2 = $this->CharCode( $this->parserCurrentIndex + 1 );
if ( $cc2 == 47 ) {
// //, find lnfeed
for ( $this->parserCurrentIndex = $this->parserCurrentIndex + 2; $this->parserCurrentIndex < $this->input_len; $this->parserCurrentIndex++ ) {
$cc2 = $this->CharCode( $this->parserCurrentIndex );
if ( ( $cc2 <= 13 ) && ( ( $cc2 == 10 ) || ( $cc2 == 13 ) ) ) { break;
}
}
} else if ( $cc2 == 42 ) {
// /*, find */
$lastMultiComment = $currentChunkStartIndex = $this->parserCurrentIndex;
for ( $this->parserCurrentIndex = $this->parserCurrentIndex + 2; $this->parserCurrentIndex < $this->input_len - 1; $this->parserCurrentIndex++ ) {
$cc2 = $this->CharCode( $this->parserCurrentIndex );
if ( $cc2 == 125 ) { $lastMultiCommentEndBrace = $this->parserCurrentIndex;
}
if ( $cc2 != 42 ) { continue;
}
if ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) { break;
}
}
if ( $this->parserCurrentIndex == $this->input_len - 1 ) {
return $this->fail( "missing closing `*/`", $currentChunkStartIndex );
}
}
break;
// *, check for unmatched */
case 42:
if ( ( $this->parserCurrentIndex < $this->input_len - 1 ) && ( $this->CharCode( $this->parserCurrentIndex + 1 ) == 47 ) ) {
return $this->fail( "unmatched `/*`" );
}
break;
}
}
if ( $level !== 0 ) {
if ( ( $lastMultiComment > $lastOpening ) && ( $lastMultiCommentEndBrace > $lastMultiComment ) ) {
return $this->fail( "missing closing `}` or `*/`", $lastOpening );
} else {
return $this->fail( "missing closing `}`", $lastOpening );
}
} else if ( $parenLevel !== 0 ) {
return $this->fail( "missing closing `)`", $lastParen );
}
// chunk didn't fail
//$this->emitChunk(true);
}
public function CharCode( $pos ) {
return ord( $this->input[$pos] );
}
public function fail( $msg, $index = null ) {
if ( !$index ) {
$this->index = $this->parserCurrentIndex;
} else {
$this->index = $index;
}
$this->message = 'ParseError: '.$msg;
}
/*
function emitChunk( $force = false ){
$len = $this->parserCurrentIndex - $this->emitFrom;
if ((($len < 512) && !$force) || !$len) {
return;
}
$chunks[] = substr($this->input, $this->emitFrom, $this->parserCurrentIndex + 1 - $this->emitFrom );
$this->emitFrom = $this->parserCurrentIndex + 1;
}
*/
}

11
less.php/lib/Less/Exception/Compiler.php
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<?php
/**
* Compiler Exception
*
* @package Less
* @subpackage exception
*/
class Less_Exception_Compiler extends Less_Exception_Parser {
}

116
less.php/lib/Less/Exception/Parser.php
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<?php
/**
* Parser Exception
*
* @package Less
* @subpackage exception
*/
class Less_Exception_Parser extends Exception {
/**
* The current file
*
* @var Less_ImportedFile
*/
public $currentFile;
/**
* The current parser index
*
* @var integer
*/
public $index;
protected $input;
protected $details = array();
/**
* Constructor
*
* @param string $message
* @param Exception $previous Previous exception
* @param integer $index The current parser index
* @param Less_FileInfo|string $currentFile The file
* @param integer $code The exception code
*/
public function __construct( $message = null, Exception $previous = null, $index = null, $currentFile = null, $code = 0 ) {
if ( PHP_VERSION_ID < 50300 ) {
$this->previous = $previous;
parent::__construct( $message, $code );
} else {
parent::__construct( $message, $code, $previous );
}
$this->currentFile = $currentFile;
$this->index = $index;
$this->genMessage();
}
protected function getInput() {
if ( !$this->input && $this->currentFile && $this->currentFile['filename'] && file_exists( $this->currentFile['filename'] ) ) {
$this->input = file_get_contents( $this->currentFile['filename'] );
}
}
/**
* Converts the exception to string
*
* @return string
*/
public function genMessage() {
if ( $this->currentFile && $this->currentFile['filename'] ) {
$this->message .= ' in '.basename( $this->currentFile['filename'] );
}
if ( $this->index !== null ) {
$this->getInput();
if ( $this->input ) {
$line = self::getLineNumber();
$this->message .= ' on line '.$line.', column '.self::getColumn();
$lines = explode( "\n", $this->input );
$count = count( $lines );
$start_line = max( 0, $line - 3 );
$last_line = min( $count, $start_line + 6 );
$num_len = strlen( $last_line );
for ( $i = $start_line; $i < $last_line; $i++ ) {
$this->message .= "\n".str_pad( $i + 1, $num_len, '0', STR_PAD_LEFT ).'| '.$lines[$i];
}
}
}
}
/**
* Returns the line number the error was encountered
*
* @return integer
*/
public function getLineNumber() {
if ( $this->index ) {
// https://bugs.php.net/bug.php?id=49790
if ( ini_get( "mbstring.func_overload" ) ) {
return substr_count( substr( $this->input, 0, $this->index ), "\n" ) + 1;
} else {
return substr_count( $this->input, "\n", 0, $this->index ) + 1;
}
}
return 1;
}
/**
* Returns the column the error was encountered
*
* @return integer
*/
public function getColumn() {
$part = substr( $this->input, 0, $this->index );
$pos = strrpos( $part, "\n" );
return $this->index - $pos;
}
}

1186
less.php/lib/Less/Functions.php
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17
less.php/lib/Less/Less.php.combine
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./Parser.php
./Colors.php
./Environment.php
./Functions.php
./Mime.php
./Tree.php
./Output.php
./Visitor.php
./VisitorReplacing.php
./Configurable.php
./Tree
./Visitor
./Exception/Parser.php
./Exception/
./Output
./SourceMap

41
less.php/lib/Less/Mime.php
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<?php
/**
* Mime lookup
*
* @package Less
* @subpackage node
*/
class Less_Mime {
// this map is intentionally incomplete
// if you want more, install 'mime' dep
static $_types = array(
'.htm' => 'text/html',
'.html' => 'text/html',
'.gif' => 'image/gif',
'.jpg' => 'image/jpeg',
'.jpeg' => 'image/jpeg',
'.png' => 'image/png',
'.ttf' => 'application/x-font-ttf',
'.otf' => 'application/x-font-otf',
'.eot' => 'application/vnd.ms-fontobject',
'.woff' => 'application/x-font-woff',
'.svg' => 'image/svg+xml',
);
public static function lookup( $filepath ) {
$parts = explode( '.', $filepath );
$ext = '.'.strtolower( array_pop( $parts ) );
if ( !isset( self::$_types[$ext] ) ) {
return null;
}
return self::$_types[$ext];
}
public static function charsets_lookup( $type = null ) {
// assumes all text types are UTF-8
return $type && preg_match( '/^text\//', $type ) ? 'UTF-8' : '';
}
}

48
less.php/lib/Less/Output.php
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<?php
/**
* Parser output
*
* @package Less
* @subpackage output
*/
class Less_Output {
/**
* Output holder
*
* @var string
*/
protected $strs = array();
/**
* Adds a chunk to the stack
*
* @param string $chunk The chunk to output
* @param Less_FileInfo $fileInfo The file information
* @param integer $index The index
* @param mixed $mapLines
*/
public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
$this->strs[] = $chunk;
}
/**
* Is the output empty?
*
* @return boolean
*/
public function isEmpty() {
return count( $this->strs ) === 0;
}
/**
* Converts the output to string
*
* @return string
*/
public function toString() {
return implode( '', $this->strs );
}
}

119
less.php/lib/Less/Output/Mapped.php
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<?php
/**
* Parser output with source map
*
* @package Less
* @subpackage Output
*/
class Less_Output_Mapped extends Less_Output {
/**
* The source map generator
*
* @var Less_SourceMap_Generator
*/
protected $generator;
/**
* Current line
*
* @var integer
*/
protected $lineNumber = 0;
/**
* Current column
*
* @var integer
*/
protected $column = 0;
/**
* Array of contents map (file and its content)
*
* @var array
*/
protected $contentsMap = array();
/**
* Constructor
*
* @param array $contentsMap Array of filename to contents map
* @param Less_SourceMap_Generator $generator
*/
public function __construct( array $contentsMap, $generator ) {
$this->contentsMap = $contentsMap;
$this->generator = $generator;
}
/**
* Adds a chunk to the stack
* The $index for less.php may be different from less.js since less.php does not chunkify inputs
*
* @param string $chunk
* @param string $fileInfo
* @param integer $index
* @param mixed $mapLines
*/
public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
// ignore adding empty strings
if ( $chunk === '' ) {
return;
}
$sourceLines = array();
$sourceColumns = ' ';
if ( $fileInfo ) {
$url = $fileInfo['currentUri'];
if ( isset( $this->contentsMap[$url] ) ) {
$inputSource = substr( $this->contentsMap[$url], 0, $index );
$sourceLines = explode( "\n", $inputSource );
$sourceColumns = end( $sourceLines );
} else {
throw new Exception( 'Filename '.$url.' not in contentsMap' );
}
}
$lines = explode( "\n", $chunk );
$columns = end( $lines );
if ( $fileInfo ) {
if ( !$mapLines ) {
$this->generator->addMapping(
$this->lineNumber + 1, // generated_line
$this->column, // generated_column
count( $sourceLines ), // original_line
strlen( $sourceColumns ), // original_column
$fileInfo
);
} else {
for ( $i = 0, $count = count( $lines ); $i < $count; $i++ ) {
$this->generator->addMapping(
$this->lineNumber + $i + 1, // generated_line
$i === 0 ? $this->column : 0, // generated_column
count( $sourceLines ) + $i, // original_line
$i === 0 ? strlen( $sourceColumns ) : 0, // original_column
$fileInfo
);
}
}
}
if ( count( $lines ) === 1 ) {
$this->column += strlen( $columns );
} else {
$this->lineNumber += count( $lines ) - 1;
$this->column = strlen( $columns );
}
// add only chunk
parent::add( $chunk );
}
}

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less.php/lib/Less/Parser.php
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187
less.php/lib/Less/SourceMap/Base64VLQ.php
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<?php
/**
* Encode / Decode Base64 VLQ.
*
* @package Less
* @subpackage SourceMap
*/
class Less_SourceMap_Base64VLQ {
/**
* Shift
*
* @var integer
*/
private $shift = 5;
/**
* Mask
*
* @var integer
*/
private $mask = 0x1F; // == (1 << shift) == 0b00011111
/**
* Continuation bit
*
* @var integer
*/
private $continuationBit = 0x20; // == (mask - 1 ) == 0b00100000
/**
* Char to integer map
*
* @var array
*/
private $charToIntMap = array(
'A' => 0, 'B' => 1, 'C' => 2, 'D' => 3, 'E' => 4, 'F' => 5, 'G' => 6,
'H' => 7,'I' => 8, 'J' => 9, 'K' => 10, 'L' => 11, 'M' => 12, 'N' => 13,
'O' => 14, 'P' => 15, 'Q' => 16, 'R' => 17, 'S' => 18, 'T' => 19, 'U' => 20,
'V' => 21, 'W' => 22, 'X' => 23, 'Y' => 24, 'Z' => 25, 'a' => 26, 'b' => 27,
'c' => 28, 'd' => 29, 'e' => 30, 'f' => 31, 'g' => 32, 'h' => 33, 'i' => 34,
'j' => 35, 'k' => 36, 'l' => 37, 'm' => 38, 'n' => 39, 'o' => 40, 'p' => 41,
'q' => 42, 'r' => 43, 's' => 44, 't' => 45, 'u' => 46, 'v' => 47, 'w' => 48,
'x' => 49, 'y' => 50, 'z' => 51, 0 => 52, 1 => 53, 2 => 54, 3 => 55, 4 => 56,
5 => 57, 6 => 58, 7 => 59, 8 => 60, 9 => 61, '+' => 62, '/' => 63,
);
/**
* Integer to char map
*
* @var array
*/
private $intToCharMap = array(
0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', 5 => 'F', 6 => 'G',
7 => 'H', 8 => 'I', 9 => 'J', 10 => 'K', 11 => 'L', 12 => 'M', 13 => 'N',
14 => 'O', 15 => 'P', 16 => 'Q', 17 => 'R', 18 => 'S', 19 => 'T', 20 => 'U',
21 => 'V', 22 => 'W', 23 => 'X', 24 => 'Y', 25 => 'Z', 26 => 'a', 27 => 'b',
28 => 'c', 29 => 'd', 30 => 'e', 31 => 'f', 32 => 'g', 33 => 'h', 34 => 'i',
35 => 'j', 36 => 'k', 37 => 'l', 38 => 'm', 39 => 'n', 40 => 'o', 41 => 'p',
42 => 'q', 43 => 'r', 44 => 's', 45 => 't', 46 => 'u', 47 => 'v', 48 => 'w',
49 => 'x', 50 => 'y', 51 => 'z', 52 => '0', 53 => '1', 54 => '2', 55 => '3',
56 => '4', 57 => '5', 58 => '6', 59 => '7', 60 => '8', 61 => '9', 62 => '+',
63 => '/',
);
/**
* Constructor
*/
public function __construct() {
// I leave it here for future reference
// foreach(str_split('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/') as $i => $char)
// {
// $this->charToIntMap[$char] = $i;
// $this->intToCharMap[$i] = $char;
// }
}
/**
* Convert from a two-complement value to a value where the sign bit is
* is placed in the least significant bit. For example, as decimals:
* 1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
* 2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
* We generate the value for 32 bit machines, hence -2147483648 becomes 1, not 4294967297,
* even on a 64 bit machine.
* @param string $aValue
*/
public function toVLQSigned( $aValue ) {
return 0xffffffff & ( $aValue < 0 ? ( ( -$aValue ) << 1 ) + 1 : ( $aValue << 1 ) + 0 );
}
/**
* Convert to a two-complement value from a value where the sign bit is
* is placed in the least significant bit. For example, as decimals:
* 2 (10 binary) becomes 1, 3 (11 binary) becomes -1
* 4 (100 binary) becomes 2, 5 (101 binary) becomes -2
* We assume that the value was generated with a 32 bit machine in mind.
* Hence
* 1 becomes -2147483648
* even on a 64 bit machine.
* @param integer $aValue
*/
public function fromVLQSigned( $aValue ) {
return $aValue & 1 ? $this->zeroFill( ~$aValue + 2, 1 ) | ( -1 - 0x7fffffff ) : $this->zeroFill( $aValue, 1 );
}
/**
* Return the base 64 VLQ encoded value.
*
* @param string $aValue The value to encode
* @return string The encoded value
*/
public function encode( $aValue ) {
$encoded = '';
$vlq = $this->toVLQSigned( $aValue );
do
{
$digit = $vlq & $this->mask;
$vlq = $this->zeroFill( $vlq, $this->shift );
if ( $vlq > 0 ) {
$digit |= $this->continuationBit;
}
$encoded .= $this->base64Encode( $digit );
} while ( $vlq > 0 );
return $encoded;
}
/**
* Return the value decoded from base 64 VLQ.
*
* @param string $encoded The encoded value to decode
* @return integer The decoded value
*/
public function decode( $encoded ) {
$vlq = 0;
$i = 0;
do
{
$digit = $this->base64Decode( $encoded[$i] );
$vlq |= ( $digit & $this->mask ) << ( $i * $this->shift );
$i++;
} while ( $digit & $this->continuationBit );
return $this->fromVLQSigned( $vlq );
}
/**
* Right shift with zero fill.
*
* @param integer $a number to shift
* @param integer $b number of bits to shift
* @return integer
*/
public function zeroFill( $a, $b ) {
return ( $a >= 0 ) ? ( $a >> $b ) : ( $a >> $b ) & ( PHP_INT_MAX >> ( $b - 1 ) );
}
/**
* Encode single 6-bit digit as base64.
*
* @param integer $number
* @return string
* @throws Exception If the number is invalid
*/
public function base64Encode( $number ) {
if ( $number < 0 || $number > 63 ) {
throw new Exception( sprintf( 'Invalid number "%s" given. Must be between 0 and 63.', $number ) );
}
return $this->intToCharMap[$number];
}
/**
* Decode single 6-bit digit from base64
*
* @param string $char
* @return number
* @throws Exception If the number is invalid
*/
public function base64Decode( $char ) {
if ( !array_key_exists( $char, $this->charToIntMap ) ) {
throw new Exception( sprintf( 'Invalid base 64 digit "%s" given.', $char ) );
}
return $this->charToIntMap[$char];
}
}

354
less.php/lib/Less/SourceMap/Generator.php
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<?php
/**
* Source map generator
*
* @package Less
* @subpackage Output
*/
class Less_SourceMap_Generator extends Less_Configurable {
/**
* What version of source map does the generator generate?
*/
private const VERSION = 3;
/**
* Array of default options
*
* @var array
*/
protected $defaultOptions = array(
// an optional source root, useful for relocating source files
// on a server or removing repeated values in the 'sources' entry.
// This value is prepended to the individual entries in the 'source' field.
'sourceRoot' => '',
// an optional name of the generated code that this source map is associated with.
'sourceMapFilename' => null,
// url of the map
'sourceMapURL' => null,
// absolute path to a file to write the map to
'sourceMapWriteTo' => null,
// output source contents?
'outputSourceFiles' => false,
// base path for filename normalization
'sourceMapRootpath' => '',
// base path for filename normalization
'sourceMapBasepath' => ''
);
/**
* The base64 VLQ encoder
*
* @var Less_SourceMap_Base64VLQ
*/
protected $encoder;
/**
* Array of mappings
*
* @var array
*/
protected $mappings = array();
/**
* The root node
*
* @var Less_Tree_Ruleset
*/
protected $root;
/**
* Array of contents map
*
* @var array
*/
protected $contentsMap = array();
/**
* File to content map
*
* @var array
*/
protected $sources = array();
protected $source_keys = array();
/**
* Constructor
*
* @param Less_Tree_Ruleset $root The root node
* @param array $options Array of options
*/
public function __construct( Less_Tree_Ruleset $root, $contentsMap, $options = array() ) {
$this->root = $root;
$this->contentsMap = $contentsMap;
$this->encoder = new Less_SourceMap_Base64VLQ();
$this->SetOptions( $options );
$this->options['sourceMapRootpath'] = $this->fixWindowsPath( $this->options['sourceMapRootpath'], true );
$this->options['sourceMapBasepath'] = $this->fixWindowsPath( $this->options['sourceMapBasepath'], true );
}
/**
* Generates the CSS
*
* @return string
*/
public function generateCSS() {
$output = new Less_Output_Mapped( $this->contentsMap, $this );
// catch the output
$this->root->genCSS( $output );
$sourceMapUrl = $this->getOption( 'sourceMapURL' );
$sourceMapFilename = $this->getOption( 'sourceMapFilename' );
$sourceMapContent = $this->generateJson();
$sourceMapWriteTo = $this->getOption( 'sourceMapWriteTo' );
if ( !$sourceMapUrl && $sourceMapFilename ) {
$sourceMapUrl = $this->normalizeFilename( $sourceMapFilename );
}
// write map to a file
if ( $sourceMapWriteTo ) {
$this->saveMap( $sourceMapWriteTo, $sourceMapContent );
}
// inline the map
if ( !$sourceMapUrl ) {
$sourceMapUrl = sprintf( 'data:application/json,%s', Less_Functions::encodeURIComponent( $sourceMapContent ) );
}
if ( $sourceMapUrl ) {
$output->add( sprintf( '/*# sourceMappingURL=%s */', $sourceMapUrl ) );
}
return $output->toString();
}
/**
* Saves the source map to a file
*
* @param string $file The absolute path to a file
* @param string $content The content to write
* @throws Exception If the file could not be saved
*/
protected function saveMap( $file, $content ) {
$dir = dirname( $file );
// directory does not exist
if ( !is_dir( $dir ) ) {
// FIXME: create the dir automatically?
throw new Exception( sprintf( 'The directory "%s" does not exist. Cannot save the source map.', $dir ) );
}
// FIXME: proper saving, with dir write check!
if ( file_put_contents( $file, $content ) === false ) {
throw new Exception( sprintf( 'Cannot save the source map to "%s"', $file ) );
}
return true;
}
/**
* Normalizes the filename
*
* @param string $filename
* @return string
*/
protected function normalizeFilename( $filename ) {
$filename = $this->fixWindowsPath( $filename );
$rootpath = $this->getOption( 'sourceMapRootpath' );
$basePath = $this->getOption( 'sourceMapBasepath' );
// "Trim" the 'sourceMapBasepath' from the output filename.
if ( is_string( $basePath ) && strpos( $filename, $basePath ) === 0 ) {
$filename = substr( $filename, strlen( $basePath ) );
}
// Remove extra leading path separators.
if ( strpos( $filename, '\\' ) === 0 || strpos( $filename, '/' ) === 0 ) {
$filename = substr( $filename, 1 );
}
return $rootpath . $filename;
}
/**
* Adds a mapping
*
* @param integer $generatedLine The line number in generated file
* @param integer $generatedColumn The column number in generated file
* @param integer $originalLine The line number in original file
* @param integer $originalColumn The column number in original file
* @param string $sourceFile The original source file
*/
public function addMapping( $generatedLine, $generatedColumn, $originalLine, $originalColumn, $fileInfo ) {
$this->mappings[] = array(
'generated_line' => $generatedLine,
'generated_column' => $generatedColumn,
'original_line' => $originalLine,
'original_column' => $originalColumn,
'source_file' => $fileInfo['currentUri']
);
$this->sources[$fileInfo['currentUri']] = $fileInfo['filename'];
}
/**
* Generates the JSON source map
*
* @return string
* @see https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#
*/
protected function generateJson() {
$sourceMap = array();
$mappings = $this->generateMappings();
// File version (always the first entry in the object) and must be a positive integer.
$sourceMap['version'] = self::VERSION;
// An optional name of the generated code that this source map is associated with.
$file = $this->getOption( 'sourceMapFilename' );
if ( $file ) {
$sourceMap['file'] = $file;
}
// An optional source root, useful for relocating source files on a server or removing repeated values in the 'sources' entry. This value is prepended to the individual entries in the 'source' field.
$root = $this->getOption( 'sourceRoot' );
if ( $root ) {
$sourceMap['sourceRoot'] = $root;
}
// A list of original sources used by the 'mappings' entry.
$sourceMap['sources'] = array();
foreach ( $this->sources as $source_uri => $source_filename ) {
$sourceMap['sources'][] = $this->normalizeFilename( $source_filename );
}
// A list of symbol names used by the 'mappings' entry.
$sourceMap['names'] = array();
// A string with the encoded mapping data.
$sourceMap['mappings'] = $mappings;
if ( $this->getOption( 'outputSourceFiles' ) ) {
// An optional list of source content, useful when the 'source' can't be hosted.
// The contents are listed in the same order as the sources above.
// 'null' may be used if some original sources should be retrieved by name.
$sourceMap['sourcesContent'] = $this->getSourcesContent();
}
// less.js compat fixes
if ( count( $sourceMap['sources'] ) && empty( $sourceMap['sourceRoot'] ) ) {
unset( $sourceMap['sourceRoot'] );
}
return json_encode( $sourceMap );
}
/**
* Returns the sources contents
*
* @return array|null
*/
protected function getSourcesContent() {
if ( empty( $this->sources ) ) {
return;
}
$content = array();
foreach ( $this->sources as $sourceFile ) {
$content[] = file_get_contents( $sourceFile );
}
return $content;
}
/**
* Generates the mappings string
*
* @return string
*/
public function generateMappings() {
if ( !count( $this->mappings ) ) {
return '';
}
$this->source_keys = array_flip( array_keys( $this->sources ) );
// group mappings by generated line number.
$groupedMap = $groupedMapEncoded = array();
foreach ( $this->mappings as $m ) {
$groupedMap[$m['generated_line']][] = $m;
}
ksort( $groupedMap );
$lastGeneratedLine = $lastOriginalIndex = $lastOriginalLine = $lastOriginalColumn = 0;
foreach ( $groupedMap as $lineNumber => $line_map ) {
while ( ++$lastGeneratedLine < $lineNumber ) {
$groupedMapEncoded[] = ';';
}
$lineMapEncoded = array();
$lastGeneratedColumn = 0;
foreach ( $line_map as $m ) {
$mapEncoded = $this->encoder->encode( $m['generated_column'] - $lastGeneratedColumn );
$lastGeneratedColumn = $m['generated_column'];
// find the index
if ( $m['source_file'] ) {
$index = $this->findFileIndex( $m['source_file'] );
if ( $index !== false ) {
$mapEncoded .= $this->encoder->encode( $index - $lastOriginalIndex );
$lastOriginalIndex = $index;
// lines are stored 0-based in SourceMap spec version 3
$mapEncoded .= $this->encoder->encode( $m['original_line'] - 1 - $lastOriginalLine );
$lastOriginalLine = $m['original_line'] - 1;
$mapEncoded .= $this->encoder->encode( $m['original_column'] - $lastOriginalColumn );
$lastOriginalColumn = $m['original_column'];
}
}
$lineMapEncoded[] = $mapEncoded;
}
$groupedMapEncoded[] = implode( ',', $lineMapEncoded ) . ';';
}
return rtrim( implode( $groupedMapEncoded ), ';' );
}
/**
* Finds the index for the filename
*
* @param string $filename
* @return integer|false
*/
protected function findFileIndex( $filename ) {
return $this->source_keys[$filename];
}
/**
* fix windows paths
* @param string $path
* @return string
*/
public function fixWindowsPath( $path, $addEndSlash = false ) {
$slash = ( $addEndSlash ) ? '/' : '';
if ( !empty( $path ) ) {
$path = str_replace( '\\', '/', $path );
$path = rtrim( $path, '/' ) . $slash;
}
return $path;
}
}

84
less.php/lib/Less/Tree.php
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@ -1,84 +0,0 @@
<?php
/**
* Tree
*
* @package Less
* @subpackage tree
*/
class Less_Tree {
public $cache_string;
public function toCSS() {
$output = new Less_Output();
$this->genCSS( $output );
return $output->toString();
}
/**
* Generate CSS by adding it to the output object
*
* @param Less_Output $output The output
* @return void
*/
public function genCSS( $output ) {
}
/**
* @param Less_Tree_Ruleset[] $rules
*/
public static function outputRuleset( $output, $rules ) {
$ruleCnt = count( $rules );
Less_Environment::$tabLevel++;
// Compressed
if ( Less_Parser::$options['compress'] ) {
$output->add( '{' );
for ( $i = 0; $i < $ruleCnt; $i++ ) {
$rules[$i]->genCSS( $output );
}
$output->add( '}' );
Less_Environment::$tabLevel--;
return;
}
// Non-compressed
$tabSetStr = "\n".str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel - 1 );
$tabRuleStr = $tabSetStr.Less_Parser::$options['indentation'];
$output->add( " {" );
for ( $i = 0; $i < $ruleCnt; $i++ ) {
$output->add( $tabRuleStr );
$rules[$i]->genCSS( $output );
}
Less_Environment::$tabLevel--;
$output->add( $tabSetStr.'}' );
}
public function accept( $visitor ) {
}
public static function ReferencedArray( $rules ) {
foreach ( $rules as $rule ) {
if ( method_exists( $rule, 'markReferenced' ) ) {
$rule->markReferenced();
}
}
}
/**
* Requires php 5.3+
*/
public static function __set_state( $args ) {
$class = get_called_class();
$obj = new $class( null, null, null, null );
foreach ( $args as $key => $val ) {
$obj->$key = $val;
}
return $obj;
}
}

48
less.php/lib/Less/Tree/Alpha.php
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@ -1,48 +0,0 @@
<?php
/**
* Alpha
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Alpha extends Less_Tree {
public $value;
public $type = 'Alpha';
public function __construct( $val ) {
$this->value = $val;
}
// function accept( $visitor ){
// $this->value = $visitor->visit( $this->value );
//}
public function compile( $env ) {
if ( is_object( $this->value ) ) {
$this->value = $this->value->compile( $env );
}
return $this;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( "alpha(opacity=" );
if ( is_string( $this->value ) ) {
$output->add( $this->value );
} else {
$this->value->genCSS( $output );
}
$output->add( ')' );
}
public function toCSS() {
return "alpha(opacity=" . ( is_string( $this->value ) ? $this->value : $this->value->toCSS() ) . ")";
}
}

58
less.php/lib/Less/Tree/Anonymous.php
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<?php
/**
* Anonymous
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Anonymous extends Less_Tree {
public $value;
public $quote;
public $index;
public $mapLines;
public $currentFileInfo;
public $type = 'Anonymous';
/**
* @param integer $index
* @param boolean $mapLines
*/
public function __construct( $value, $index = null, $currentFileInfo = null, $mapLines = null ) {
$this->value = $value;
$this->index = $index;
$this->mapLines = $mapLines;
$this->currentFileInfo = $currentFileInfo;
}
public function compile() {
return new Less_Tree_Anonymous( $this->value, $this->index, $this->currentFileInfo, $this->mapLines );
}
public function compare( $x ) {
if ( !is_object( $x ) ) {
return -1;
}
$left = $this->toCSS();
$right = $x->toCSS();
if ( $left === $right ) {
return 0;
}
return $left < $right ? -1 : 1;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->value, $this->currentFileInfo, $this->index, $this->mapLines );
}
public function toCSS() {
return $this->value;
}
}

39
less.php/lib/Less/Tree/Assignment.php
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<?php
/**
* Assignment
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Assignment extends Less_Tree {
public $key;
public $value;
public $type = 'Assignment';
public function __construct( $key, $val ) {
$this->key = $key;
$this->value = $val;
}
public function accept( $visitor ) {
$this->value = $visitor->visitObj( $this->value );
}
public function compile( $env ) {
return new Less_Tree_Assignment( $this->key, $this->value->compile( $env ) );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->key . '=' );
$this->value->genCSS( $output );
}
public function toCss() {
return $this->key . '=' . $this->value->toCSS();
}
}

53
less.php/lib/Less/Tree/Attribute.php
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@ -1,53 +0,0 @@
<?php
/**
* Attribute
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Attribute extends Less_Tree {
public $key;
public $op;
public $value;
public $type = 'Attribute';
public function __construct( $key, $op, $value ) {
$this->key = $key;
$this->op = $op;
$this->value = $value;
}
public function compile( $env ) {
$key_obj = is_object( $this->key );
$val_obj = is_object( $this->value );
if ( !$key_obj && !$val_obj ) {
return $this;
}
return new Less_Tree_Attribute(
$key_obj ? $this->key->compile( $env ) : $this->key,
$this->op,
$val_obj ? $this->value->compile( $env ) : $this->value );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->toCSS() );
}
public function toCSS() {
$value = $this->key;
if ( $this->op ) {
$value .= $this->op;
$value .= ( is_object( $this->value ) ? $this->value->toCSS() : $this->value );
}
return '[' . $value . ']';
}
}

117
less.php/lib/Less/Tree/Call.php
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@ -1,117 +0,0 @@
<?php
/**
* Call
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Call extends Less_Tree {
public $value;
public $name;
public $args;
public $index;
public $currentFileInfo;
public $type = 'Call';
public function __construct( $name, $args, $index, $currentFileInfo = null ) {
$this->name = $name;
$this->args = $args;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
public function accept( $visitor ) {
$this->args = $visitor->visitArray( $this->args );
}
//
// When evaluating a function call,
// we either find the function in `tree.functions` [1],
// in which case we call it, passing the evaluated arguments,
// or we simply print it out as it appeared originally [2].
//
// The *functions.js* file contains the built-in functions.
//
// The reason why we evaluate the arguments, is in the case where
// we try to pass a variable to a function, like: `saturate(@color)`.
// The function should receive the value, not the variable.
//
public function compile( $env = null ) {
$args = array();
foreach ( $this->args as $a ) {
$args[] = $a->compile( $env );
}
$nameLC = strtolower( $this->name );
switch ( $nameLC ) {
case '%':
$nameLC = '_percent';
break;
case 'get-unit':
$nameLC = 'getunit';
break;
case 'data-uri':
$nameLC = 'datauri';
break;
case 'svg-gradient':
$nameLC = 'svggradient';
break;
}
$result = null;
if ( $nameLC === 'default' ) {
$result = Less_Tree_DefaultFunc::compile();
} else {
if ( method_exists( 'Less_Functions', $nameLC ) ) { // 1.
try {
$func = new Less_Functions( $env, $this->currentFileInfo );
$result = call_user_func_array( array( $func,$nameLC ), $args );
} catch ( Exception $e ) {
throw new Less_Exception_Compiler( 'error evaluating function `' . $this->name . '` '.$e->getMessage().' index: '. $this->index );
}
} elseif ( isset( $env->functions[$nameLC] ) && is_callable( $env->functions[$nameLC] ) ) {
try {
$result = call_user_func_array( $env->functions[$nameLC], $args );
} catch ( Exception $e ) {
throw new Less_Exception_Compiler( 'error evaluating function `' . $this->name . '` '.$e->getMessage().' index: '. $this->index );
}
}
}
if ( $result !== null ) {
return $result;
}
return new Less_Tree_Call( $this->name, $args, $this->index, $this->currentFileInfo );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->name . '(', $this->currentFileInfo, $this->index );
$args_len = count( $this->args );
for ( $i = 0; $i < $args_len; $i++ ) {
$this->args[$i]->genCSS( $output );
if ( $i + 1 < $args_len ) {
$output->add( ', ' );
}
}
$output->add( ')' );
}
// public function toCSS(){
// return $this->compile()->toCSS();
//}
}

230
less.php/lib/Less/Tree/Color.php
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@ -1,230 +0,0 @@
<?php
/**
* Color
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Color extends Less_Tree {
public $rgb;
public $alpha;
public $isTransparentKeyword;
public $type = 'Color';
public function __construct( $rgb, $a = 1, $isTransparentKeyword = null ) {
if ( $isTransparentKeyword ) {
$this->rgb = $rgb;
$this->alpha = $a;
$this->isTransparentKeyword = true;
return;
}
$this->rgb = array();
if ( is_array( $rgb ) ) {
$this->rgb = $rgb;
} else if ( strlen( $rgb ) == 6 ) {
foreach ( str_split( $rgb, 2 ) as $c ) {
$this->rgb[] = hexdec( $c );
}
} else {
foreach ( str_split( $rgb, 1 ) as $c ) {
$this->rgb[] = hexdec( $c.$c );
}
}
$this->alpha = is_numeric( $a ) ? $a : 1;
}
public function compile() {
return $this;
}
public function luma() {
$r = $this->rgb[0] / 255;
$g = $this->rgb[1] / 255;
$b = $this->rgb[2] / 255;
$r = ( $r <= 0.03928 ) ? $r / 12.92 : pow( ( ( $r + 0.055 ) / 1.055 ), 2.4 );
$g = ( $g <= 0.03928 ) ? $g / 12.92 : pow( ( ( $g + 0.055 ) / 1.055 ), 2.4 );
$b = ( $b <= 0.03928 ) ? $b / 12.92 : pow( ( ( $b + 0.055 ) / 1.055 ), 2.4 );
return 0.2126 * $r + 0.7152 * $g + 0.0722 * $b;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->toCSS() );
}
public function toCSS( $doNotCompress = false ) {
$compress = Less_Parser::$options['compress'] && !$doNotCompress;
$alpha = Less_Functions::fround( $this->alpha );
//
// If we have some transparency, the only way to represent it
// is via `rgba`. Otherwise, we use the hex representation,
// which has better compatibility with older browsers.
// Values are capped between `0` and `255`, rounded and zero-padded.
//
if ( $alpha < 1 ) {
if ( ( $alpha === 0 || $alpha === 0.0 ) && isset( $this->isTransparentKeyword ) && $this->isTransparentKeyword ) {
return 'transparent';
}
$values = array();
foreach ( $this->rgb as $c ) {
$values[] = Less_Functions::clamp( round( $c ), 255 );
}
$values[] = $alpha;
$glue = ( $compress ? ',' : ', ' );
return "rgba(" . implode( $glue, $values ) . ")";
} else {
$color = $this->toRGB();
if ( $compress ) {
// Convert color to short format
if ( $color[1] === $color[2] && $color[3] === $color[4] && $color[5] === $color[6] ) {
$color = '#'.$color[1] . $color[3] . $color[5];
}
}
return $color;
}
}
//
// Operations have to be done per-channel, if not,
// channels will spill onto each other. Once we have
// our result, in the form of an integer triplet,
// we create a new Color node to hold the result.
//
/**
* @param string $op
*/
public function operate( $op, $other ) {
$rgb = array();
$alpha = $this->alpha * ( 1 - $other->alpha ) + $other->alpha;
for ( $c = 0; $c < 3; $c++ ) {
$rgb[$c] = Less_Functions::operate( $op, $this->rgb[$c], $other->rgb[$c] );
}
return new Less_Tree_Color( $rgb, $alpha );
}
public function toRGB() {
return $this->toHex( $this->rgb );
}
public function toHSL() {
$r = $this->rgb[0] / 255;
$g = $this->rgb[1] / 255;
$b = $this->rgb[2] / 255;
$a = $this->alpha;
$max = max( $r, $g, $b );
$min = min( $r, $g, $b );
$l = ( $max + $min ) / 2;
$d = $max - $min;
$h = $s = 0;
if ( $max !== $min ) {
$s = $l > 0.5 ? $d / ( 2 - $max - $min ) : $d / ( $max + $min );
switch ( $max ) {
case $r: $h = ( $g - $b ) / $d + ( $g < $b ? 6 : 0 );
break;
case $g: $h = ( $b - $r ) / $d + 2;
break;
case $b: $h = ( $r - $g ) / $d + 4;
break;
}
$h /= 6;
}
return array( 'h' => $h * 360, 's' => $s, 'l' => $l, 'a' => $a );
}
// Adapted from http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
public function toHSV() {
$r = $this->rgb[0] / 255;
$g = $this->rgb[1] / 255;
$b = $this->rgb[2] / 255;
$a = $this->alpha;
$max = max( $r, $g, $b );
$min = min( $r, $g, $b );
$v = $max;
$d = $max - $min;
if ( $max === 0 ) {
$s = 0;
} else {
$s = $d / $max;
}
$h = 0;
if ( $max !== $min ) {
switch ( $max ) {
case $r: $h = ( $g - $b ) / $d + ( $g < $b ? 6 : 0 );
break;
case $g: $h = ( $b - $r ) / $d + 2;
break;
case $b: $h = ( $r - $g ) / $d + 4;
break;
}
$h /= 6;
}
return array( 'h' => $h * 360, 's' => $s, 'v' => $v, 'a' => $a );
}
public function toARGB() {
$argb = array_merge( (array)Less_Parser::round( $this->alpha * 255 ), $this->rgb );
return $this->toHex( $argb );
}
public function compare( $x ) {
if ( !property_exists( $x, 'rgb' ) ) {
return -1;
}
return ( $x->rgb[0] === $this->rgb[0] &&
$x->rgb[1] === $this->rgb[1] &&
$x->rgb[2] === $this->rgb[2] &&
$x->alpha === $this->alpha ) ? 0 : -1;
}
public function toHex( $v ) {
$ret = '#';
foreach ( $v as $c ) {
$c = Less_Functions::clamp( Less_Parser::round( $c ), 255 );
if ( $c < 16 ) {
$ret .= '0';
}
$ret .= dechex( $c );
}
return $ret;
}
/**
* @param string $keyword
*/
public static function fromKeyword( $keyword ) {
$keyword = strtolower( $keyword );
if ( Less_Colors::hasOwnProperty( $keyword ) ) {
// detect named color
return new Less_Tree_Color( substr( Less_Colors::color( $keyword ), 1 ) );
}
if ( $keyword === 'transparent' ) {
return new Less_Tree_Color( array( 0, 0, 0 ), 0, true );
}
}
}

51
less.php/lib/Less/Tree/Comment.php
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@ -1,51 +0,0 @@
<?php
/**
* Comment
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Comment extends Less_Tree {
public $value;
public $silent;
public $isReferenced;
public $currentFileInfo;
public $type = 'Comment';
public function __construct( $value, $silent, $index = null, $currentFileInfo = null ) {
$this->value = $value;
$this->silent = !!$silent;
$this->currentFileInfo = $currentFileInfo;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
// if( $this->debugInfo ){
//$output->add( tree.debugInfo($env, $this), $this->currentFileInfo, $this->index);
//}
$output->add( trim( $this->value ) );// TODO shouldn't need to trim, we shouldn't grab the \n
}
public function toCSS() {
return Less_Parser::$options['compress'] ? '' : $this->value;
}
public function isSilent() {
$isReference = ( $this->currentFileInfo && isset( $this->currentFileInfo['reference'] ) && ( !isset( $this->isReferenced ) || !$this->isReferenced ) );
$isCompressed = Less_Parser::$options['compress'] && !preg_match( '/^\/\*!/', $this->value );
return $this->silent || $isReference || $isCompressed;
}
public function compile() {
return $this;
}
public function markReferenced() {
$this->isReferenced = true;
}
}

72
less.php/lib/Less/Tree/Condition.php
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<?php
/**
* Condition
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Condition extends Less_Tree {
public $op;
public $lvalue;
public $rvalue;
public $index;
public $negate;
public $type = 'Condition';
public function __construct( $op, $l, $r, $i = 0, $negate = false ) {
$this->op = trim( $op );
$this->lvalue = $l;
$this->rvalue = $r;
$this->index = $i;
$this->negate = $negate;
}
public function accept( $visitor ) {
$this->lvalue = $visitor->visitObj( $this->lvalue );
$this->rvalue = $visitor->visitObj( $this->rvalue );
}
public function compile( $env ) {
$a = $this->lvalue->compile( $env );
$b = $this->rvalue->compile( $env );
switch ( $this->op ) {
case 'and':
$result = $a && $b;
break;
case 'or':
$result = $a || $b;
break;
default:
if ( Less_Parser::is_method( $a, 'compare' ) ) {
$result = $a->compare( $b );
} elseif ( Less_Parser::is_method( $b, 'compare' ) ) {
$result = $b->compare( $a );
} else {
throw new Less_Exception_Compiler( 'Unable to perform comparison', null, $this->index );
}
switch ( $result ) {
case -1:
$result = $this->op === '<' || $this->op === '=<' || $this->op === '<=';
break;
case 0:
$result = $this->op === '=' || $this->op === '>=' || $this->op === '=<' || $this->op === '<=';
break;
case 1:
$result = $this->op === '>' || $this->op === '>=';
break;
}
break;
}
return $this->negate ? !$result : $result;
}
}

34
less.php/lib/Less/Tree/DefaultFunc.php
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<?php
/**
* DefaultFunc
*
* @package Less
* @subpackage tree
*/
class Less_Tree_DefaultFunc {
static $error_;
static $value_;
public static function compile() {
if ( self::$error_ ) {
throw new Exception( self::$error_ );
}
if ( self::$value_ !== null ) {
return self::$value_ ? new Less_Tree_Keyword( 'true' ) : new Less_Tree_Keyword( 'false' );
}
}
public static function value( $v ) {
self::$value_ = $v;
}
public static function error( $e ) {
self::$error_ = $e;
}
public static function reset() {
self::$value_ = self::$error_ = null;
}
}

39
less.php/lib/Less/Tree/DetachedRuleset.php
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<?php
/**
* DetachedRuleset
*
* @package Less
* @subpackage tree
*/
class Less_Tree_DetachedRuleset extends Less_Tree {
public $ruleset;
public $frames;
public $type = 'DetachedRuleset';
public function __construct( $ruleset, $frames = null ) {
$this->ruleset = $ruleset;
$this->frames = $frames;
}
public function accept( $visitor ) {
$this->ruleset = $visitor->visitObj( $this->ruleset );
}
public function compile( $env ) {
if ( $this->frames ) {
$frames = $this->frames;
} else {
$frames = $env->frames;
}
return new Less_Tree_DetachedRuleset( $this->ruleset, $frames );
}
public function callEval( $env ) {
if ( $this->frames ) {
return $this->ruleset->compile( $env->copyEvalEnv( array_merge( $this->frames, $env->frames ) ) );
}
return $this->ruleset->compile( $env );
}
}

198
less.php/lib/Less/Tree/Dimension.php
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<?php
/**
* Dimension
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Dimension extends Less_Tree {
public $value;
public $unit;
public $type = 'Dimension';
public function __construct( $value, $unit = null ) {
$this->value = floatval( $value );
if ( $unit && ( $unit instanceof Less_Tree_Unit ) ) {
$this->unit = $unit;
} elseif ( $unit ) {
$this->unit = new Less_Tree_Unit( array( $unit ) );
} else {
$this->unit = new Less_Tree_Unit();
}
}
public function accept( $visitor ) {
$this->unit = $visitor->visitObj( $this->unit );
}
public function compile() {
return $this;
}
public function toColor() {
return new Less_Tree_Color( array( $this->value, $this->value, $this->value ) );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( Less_Parser::$options['strictUnits'] && !$this->unit->isSingular() ) {
throw new Less_Exception_Compiler( "Multiple units in dimension. Correct the units or use the unit function. Bad unit: ".$this->unit->toString() );
}
$value = Less_Functions::fround( $this->value );
$strValue = (string)$value;
if ( $value !== 0 && $value < 0.000001 && $value > -0.000001 ) {
// would be output 1e-6 etc.
$strValue = number_format( $strValue, 10 );
$strValue = preg_replace( '/\.?0+$/', '', $strValue );
}
if ( Less_Parser::$options['compress'] ) {
// Zero values doesn't need a unit
if ( $value === 0 && $this->unit->isLength() ) {
$output->add( $strValue );
return $strValue;
}
// Float values doesn't need a leading zero
if ( $value > 0 && $value < 1 && $strValue[0] === '0' ) {
$strValue = substr( $strValue, 1 );
}
}
$output->add( $strValue );
$this->unit->genCSS( $output );
}
public function __toString() {
return $this->toCSS();
}
// In an operation between two Dimensions,
// we default to the first Dimension's unit,
// so `1px + 2em` will yield `3px`.
/**
* @param string $op
*/
public function operate( $op, $other ) {
$value = Less_Functions::operate( $op, $this->value, $other->value );
$unit = clone $this->unit;
if ( $op === '+' || $op === '-' ) {
if ( !$unit->numerator && !$unit->denominator ) {
$unit->numerator = $other->unit->numerator;
$unit->denominator = $other->unit->denominator;
} elseif ( !$other->unit->numerator && !$other->unit->denominator ) {
// do nothing
} else {
$other = $other->convertTo( $this->unit->usedUnits() );
if ( Less_Parser::$options['strictUnits'] && $other->unit->toString() !== $unit->toCSS() ) {
throw new Less_Exception_Compiler( "Incompatible units. Change the units or use the unit function. Bad units: '" . $unit->toString() . "' and " . $other->unit->toString() . "'." );
}
$value = Less_Functions::operate( $op, $this->value, $other->value );
}
} elseif ( $op === '*' ) {
$unit->numerator = array_merge( $unit->numerator, $other->unit->numerator );
$unit->denominator = array_merge( $unit->denominator, $other->unit->denominator );
sort( $unit->numerator );
sort( $unit->denominator );
$unit->cancel();
} elseif ( $op === '/' ) {
$unit->numerator = array_merge( $unit->numerator, $other->unit->denominator );
$unit->denominator = array_merge( $unit->denominator, $other->unit->numerator );
sort( $unit->numerator );
sort( $unit->denominator );
$unit->cancel();
}
return new Less_Tree_Dimension( $value, $unit );
}
public function compare( $other ) {
if ( $other instanceof Less_Tree_Dimension ) {
if ( $this->unit->isEmpty() || $other->unit->isEmpty() ) {
$a = $this;
$b = $other;
} else {
$a = $this->unify();
$b = $other->unify();
if ( $a->unit->compare( $b->unit ) !== 0 ) {
return -1;
}
}
$aValue = $a->value;
$bValue = $b->value;
if ( $bValue > $aValue ) {
return -1;
} elseif ( $bValue < $aValue ) {
return 1;
} else {
return 0;
}
} else {
return -1;
}
}
public function unify() {
return $this->convertTo( array( 'length' => 'px', 'duration' => 's', 'angle' => 'rad' ) );
}
public function convertTo( $conversions ) {
$value = $this->value;
$unit = clone $this->unit;
if ( is_string( $conversions ) ) {
$derivedConversions = array();
foreach ( Less_Tree_UnitConversions::$groups as $i ) {
if ( isset( Less_Tree_UnitConversions::${$i}[$conversions] ) ) {
$derivedConversions = array( $i => $conversions );
}
}
$conversions = $derivedConversions;
}
foreach ( $conversions as $groupName => $targetUnit ) {
$group = Less_Tree_UnitConversions::${$groupName};
// numerator
foreach ( $unit->numerator as $i => $atomicUnit ) {
$atomicUnit = $unit->numerator[$i];
if ( !isset( $group[$atomicUnit] ) ) {
continue;
}
$value = $value * ( $group[$atomicUnit] / $group[$targetUnit] );
$unit->numerator[$i] = $targetUnit;
}
// denominator
foreach ( $unit->denominator as $i => $atomicUnit ) {
$atomicUnit = $unit->denominator[$i];
if ( !isset( $group[$atomicUnit] ) ) {
continue;
}
$value = $value / ( $group[$atomicUnit] / $group[$targetUnit] );
$unit->denominator[$i] = $targetUnit;
}
}
$unit->cancel();
return new Less_Tree_Dimension( $value, $unit );
}
}

96
less.php/lib/Less/Tree/Directive.php
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@ -1,96 +0,0 @@
<?php
/**
* Directive
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Directive extends Less_Tree {
public $name;
public $value;
public $rules;
public $index;
public $isReferenced;
public $currentFileInfo;
public $debugInfo;
public $type = 'Directive';
public function __construct( $name, $value = null, $rules = null, $index = null, $currentFileInfo = null, $debugInfo = null ) {
$this->name = $name;
$this->value = $value;
if ( $rules ) {
$this->rules = $rules;
$this->rules->allowImports = true;
}
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
$this->debugInfo = $debugInfo;
}
public function accept( $visitor ) {
if ( $this->rules ) {
$this->rules = $visitor->visitObj( $this->rules );
}
if ( $this->value ) {
$this->value = $visitor->visitObj( $this->value );
}
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$value = $this->value;
$rules = $this->rules;
$output->add( $this->name, $this->currentFileInfo, $this->index );
if ( $this->value ) {
$output->add( ' ' );
$this->value->genCSS( $output );
}
if ( $this->rules ) {
Less_Tree::outputRuleset( $output, array( $this->rules ) );
} else {
$output->add( ';' );
}
}
public function compile( $env ) {
$value = $this->value;
$rules = $this->rules;
if ( $value ) {
$value = $value->compile( $env );
}
if ( $rules ) {
$rules = $rules->compile( $env );
$rules->root = true;
}
return new Less_Tree_Directive( $this->name, $value, $rules, $this->index, $this->currentFileInfo, $this->debugInfo );
}
public function variable( $name ) {
if ( $this->rules ) {
return $this->rules->variable( $name );
}
}
public function find( $selector ) {
if ( $this->rules ) {
return $this->rules->find( $selector, $this );
}
}
// rulesets: function () { if (this.rules) return tree.Ruleset.prototype.rulesets.apply(this.rules); },
public function markReferenced() {
$this->isReferenced = true;
if ( $this->rules ) {
Less_Tree::ReferencedArray( $this->rules->rules );
}
}
}

70
less.php/lib/Less/Tree/Element.php
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@ -1,70 +0,0 @@
<?php
/**
* Element
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Element extends Less_Tree {
public $combinator = '';
public $value = '';
public $index;
public $currentFileInfo;
public $type = 'Element';
public $value_is_object = false;
public function __construct( $combinator, $value, $index = null, $currentFileInfo = null ) {
$this->value = $value;
$this->value_is_object = is_object( $value );
if ( $combinator ) {
$this->combinator = $combinator;
}
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
public function accept( $visitor ) {
if ( $this->value_is_object ) { // object or string
$this->value = $visitor->visitObj( $this->value );
}
}
public function compile( $env ) {
if ( Less_Environment::$mixin_stack ) {
return new Less_Tree_Element( $this->combinator, ( $this->value_is_object ? $this->value->compile( $env ) : $this->value ), $this->index, $this->currentFileInfo );
}
if ( $this->value_is_object ) {
$this->value = $this->value->compile( $env );
}
return $this;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->toCSS(), $this->currentFileInfo, $this->index );
}
public function toCSS() {
if ( $this->value_is_object ) {
$value = $this->value->toCSS();
} else {
$value = $this->value;
}
if ( $value === '' && $this->combinator && $this->combinator === '&' ) {
return '';
}
return Less_Environment::$_outputMap[$this->combinator] . $value;
}
}

95
less.php/lib/Less/Tree/Expression.php
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@ -1,95 +0,0 @@
<?php
/**
* Expression
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Expression extends Less_Tree {
public $value = array();
public $parens = false;
public $parensInOp = false;
public $type = 'Expression';
public function __construct( $value, $parens = null ) {
$this->value = $value;
$this->parens = $parens;
}
public function accept( $visitor ) {
$this->value = $visitor->visitArray( $this->value );
}
public function compile( $env ) {
$doubleParen = false;
if ( $this->parens && !$this->parensInOp ) {
Less_Environment::$parensStack++;
}
$returnValue = null;
if ( $this->value ) {
$count = count( $this->value );
if ( $count > 1 ) {
$ret = array();
foreach ( $this->value as $e ) {
$ret[] = $e->compile( $env );
}
$returnValue = new Less_Tree_Expression( $ret );
} else {
if ( ( $this->value[0] instanceof Less_Tree_Expression ) && $this->value[0]->parens && !$this->value[0]->parensInOp ) {
$doubleParen = true;
}
$returnValue = $this->value[0]->compile( $env );
}
} else {
$returnValue = $this;
}
if ( $this->parens ) {
if ( !$this->parensInOp ) {
Less_Environment::$parensStack--;
} elseif ( !Less_Environment::isMathOn() && !$doubleParen ) {
$returnValue = new Less_Tree_Paren( $returnValue );
}
}
return $returnValue;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$val_len = count( $this->value );
for ( $i = 0; $i < $val_len; $i++ ) {
$this->value[$i]->genCSS( $output );
if ( $i + 1 < $val_len ) {
$output->add( ' ' );
}
}
}
public function throwAwayComments() {
if ( is_array( $this->value ) ) {
$new_value = array();
foreach ( $this->value as $v ) {
if ( $v instanceof Less_Tree_Comment ) {
continue;
}
$new_value[] = $v;
}
$this->value = $new_value;
}
}
}

80
less.php/lib/Less/Tree/Extend.php
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@ -1,80 +0,0 @@
<?php
/**
* Extend
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Extend extends Less_Tree {
public $selector;
public $option;
public $index;
public $selfSelectors = array();
public $allowBefore;
public $allowAfter;
public $firstExtendOnThisSelectorPath;
public $type = 'Extend';
public $ruleset;
public $object_id;
public $parent_ids = array();
/**
* @param integer $index
*/
public function __construct( $selector, $option, $index ) {
static $i = 0;
$this->selector = $selector;
$this->option = $option;
$this->index = $index;
switch ( $option ) {
case "all":
$this->allowBefore = true;
$this->allowAfter = true;
break;
default:
$this->allowBefore = false;
$this->allowAfter = false;
break;
}
// This must use a string (instead of int) so that array_merge()
// preserves keys on arrays that use IDs in their keys.
$this->object_id = 'id_' . $i++;
$this->parent_ids = array(
$this->object_id => true
);
}
public function accept( $visitor ) {
$this->selector = $visitor->visitObj( $this->selector );
}
public function compile( $env ) {
Less_Parser::$has_extends = true;
$this->selector = $this->selector->compile( $env );
return $this;
// return new Less_Tree_Extend( $this->selector->compile($env), $this->option, $this->index);
}
public function findSelfSelectors( $selectors ) {
$selfElements = array();
for ( $i = 0, $selectors_len = count( $selectors ); $i < $selectors_len; $i++ ) {
$selectorElements = $selectors[$i]->elements;
// duplicate the logic in genCSS function inside the selector node.
// future TODO - move both logics into the selector joiner visitor
if ( $i && $selectorElements && $selectorElements[0]->combinator === "" ) {
$selectorElements[0]->combinator = ' ';
}
$selfElements = array_merge( $selfElements, $selectors[$i]->elements );
}
$this->selfSelectors = array( new Less_Tree_Selector( $selfElements ) );
}
}

291
less.php/lib/Less/Tree/Import.php
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@ -1,291 +0,0 @@
<?php
/**
* CSS @import node
*
* The general strategy here is that we don't want to wait
* for the parsing to be completed, before we start importing
* the file. That's because in the context of a browser,
* most of the time will be spent waiting for the server to respond.
*
* On creation, we push the import path to our import queue, though
* `import,push`, we also pass it a callback, which it'll call once
* the file has been fetched, and parsed.
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Import extends Less_Tree {
public $options;
public $index;
public $path;
public $features;
public $currentFileInfo;
public $css;
public $skip;
public $root;
public $type = 'Import';
public function __construct( $path, $features, $options, $index, $currentFileInfo = null ) {
$this->options = $options;
$this->index = $index;
$this->path = $path;
$this->features = $features;
$this->currentFileInfo = $currentFileInfo;
if ( is_array( $options ) ) {
$this->options += array( 'inline' => false );
if ( isset( $this->options['less'] ) || $this->options['inline'] ) {
$this->css = !isset( $this->options['less'] ) || !$this->options['less'] || $this->options['inline'];
} else {
$pathValue = $this->getPath();
if ( $pathValue && preg_match( '/css([\?;].*)?$/', $pathValue ) ) {
$this->css = true;
}
}
}
}
//
// The actual import node doesn't return anything, when converted to CSS.
// The reason is that it's used at the evaluation stage, so that the rules
// it imports can be treated like any other rules.
//
// In `eval`, we make sure all Import nodes get evaluated, recursively, so
// we end up with a flat structure, which can easily be imported in the parent
// ruleset.
//
public function accept( $visitor ) {
if ( $this->features ) {
$this->features = $visitor->visitObj( $this->features );
}
$this->path = $visitor->visitObj( $this->path );
if ( !$this->options['inline'] && $this->root ) {
$this->root = $visitor->visit( $this->root );
}
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( $this->css ) {
$output->add( '@import ', $this->currentFileInfo, $this->index );
$this->path->genCSS( $output );
if ( $this->features ) {
$output->add( ' ' );
$this->features->genCSS( $output );
}
$output->add( ';' );
}
}
public function toCSS() {
$features = $this->features ? ' ' . $this->features->toCSS() : '';
if ( $this->css ) {
return "@import " . $this->path->toCSS() . $features . ";\n";
} else {
return "";
}
}
/**
* @return string
*/
public function getPath() {
if ( $this->path instanceof Less_Tree_Quoted ) {
$path = $this->path->value;
$path = ( isset( $this->css ) || preg_match( '/(\.[a-z]*$)|([\?;].*)$/', $path ) ) ? $path : $path . '.less';
} else if ( $this->path instanceof Less_Tree_URL ) {
$path = $this->path->value->value;
} else {
return null;
}
// remove query string and fragment
return preg_replace( '/[\?#][^\?]*$/', '', $path );
}
public function compileForImport( $env ) {
return new Less_Tree_Import( $this->path->compile( $env ), $this->features, $this->options, $this->index, $this->currentFileInfo );
}
public function compilePath( $env ) {
$path = $this->path->compile( $env );
$rootpath = '';
if ( $this->currentFileInfo && $this->currentFileInfo['rootpath'] ) {
$rootpath = $this->currentFileInfo['rootpath'];
}
if ( !( $path instanceof Less_Tree_URL ) ) {
if ( $rootpath ) {
$pathValue = $path->value;
// Add the base path if the import is relative
if ( $pathValue && Less_Environment::isPathRelative( $pathValue ) ) {
$path->value = $this->currentFileInfo['uri_root'].$pathValue;
}
}
$path->value = Less_Environment::normalizePath( $path->value );
}
return $path;
}
public function compile( $env ) {
$evald = $this->compileForImport( $env );
// get path & uri
$path_and_uri = null;
if ( is_callable( Less_Parser::$options['import_callback'] ) ) {
$path_and_uri = call_user_func( Less_Parser::$options['import_callback'], $evald );
}
if ( !$path_and_uri ) {
$path_and_uri = $evald->PathAndUri();
}
if ( $path_and_uri ) {
list( $full_path, $uri ) = $path_and_uri;
} else {
$full_path = $uri = $evald->getPath();
}
// import once
if ( $evald->skip( $full_path, $env ) ) {
return array();
}
if ( $this->options['inline'] ) {
// todo needs to reference css file not import
//$contents = new Less_Tree_Anonymous($this->root, 0, array('filename'=>$this->importedFilename), true );
Less_Parser::AddParsedFile( $full_path );
$contents = new Less_Tree_Anonymous( file_get_contents( $full_path ), 0, array(), true );
if ( $this->features ) {
return new Less_Tree_Media( array( $contents ), $this->features->value );
}
return array( $contents );
}
// optional (need to be before "CSS" to support optional CSS imports. CSS should be checked only if empty($this->currentFileInfo))
if ( isset( $this->options['optional'] ) && $this->options['optional'] && !file_exists( $full_path ) && ( !$evald->css || !empty( $this->currentFileInfo ) ) ) {
return array();
}
// css ?
if ( $evald->css ) {
$features = ( $evald->features ? $evald->features->compile( $env ) : null );
return new Less_Tree_Import( $this->compilePath( $env ), $features, $this->options, $this->index );
}
return $this->ParseImport( $full_path, $uri, $env );
}
/**
* Using the import directories, get the full absolute path and uri of the import
*
* @param Less_Tree_Import $evald
*/
public function PathAndUri() {
$evald_path = $this->getPath();
if ( $evald_path ) {
$import_dirs = array();
if ( Less_Environment::isPathRelative( $evald_path ) ) {
// if the path is relative, the file should be in the current directory
if ( $this->currentFileInfo ) {
$import_dirs[ $this->currentFileInfo['currentDirectory'] ] = $this->currentFileInfo['uri_root'];
}
} else {
// otherwise, the file should be relative to the server root
if ( $this->currentFileInfo ) {
$import_dirs[ $this->currentFileInfo['entryPath'] ] = $this->currentFileInfo['entryUri'];
}
// if the user supplied entryPath isn't the actual root
$import_dirs[ $_SERVER['DOCUMENT_ROOT'] ] = '';
}
// always look in user supplied import directories
$import_dirs = array_merge( $import_dirs, Less_Parser::$options['import_dirs'] );
foreach ( $import_dirs as $rootpath => $rooturi ) {
if ( is_callable( $rooturi ) ) {
list( $path, $uri ) = call_user_func( $rooturi, $evald_path );
if ( is_string( $path ) ) {
$full_path = $path;
return array( $full_path, $uri );
}
} elseif ( !empty( $rootpath ) ) {
$path = rtrim( $rootpath, '/\\' ).'/'.ltrim( $evald_path, '/\\' );
if ( file_exists( $path ) ) {
$full_path = Less_Environment::normalizePath( $path );
$uri = Less_Environment::normalizePath( dirname( $rooturi.$evald_path ) );
return array( $full_path, $uri );
} elseif ( file_exists( $path.'.less' ) ) {
$full_path = Less_Environment::normalizePath( $path.'.less' );
$uri = Less_Environment::normalizePath( dirname( $rooturi.$evald_path.'.less' ) );
return array( $full_path, $uri );
}
}
}
}
}
/**
* Parse the import url and return the rules
*
* @return Less_Tree_Media|array
*/
public function ParseImport( $full_path, $uri, $env ) {
$import_env = clone $env;
if ( ( isset( $this->options['reference'] ) && $this->options['reference'] ) || isset( $this->currentFileInfo['reference'] ) ) {
$import_env->currentFileInfo['reference'] = true;
}
if ( ( isset( $this->options['multiple'] ) && $this->options['multiple'] ) ) {
$import_env->importMultiple = true;
}
$parser = new Less_Parser( $import_env );
$root = $parser->parseFile( $full_path, $uri, true );
$ruleset = new Less_Tree_Ruleset( array(), $root->rules );
$ruleset->evalImports( $import_env );
return $this->features ? new Less_Tree_Media( $ruleset->rules, $this->features->value ) : $ruleset->rules;
}
/**
* Should the import be skipped?
*
* @return boolean|null
*/
private function Skip( $path, $env ) {
$path = Less_Parser::AbsPath( $path, true );
if ( $path && Less_Parser::FileParsed( $path ) ) {
if ( isset( $this->currentFileInfo['reference'] ) ) {
return true;
}
return !isset( $this->options['multiple'] ) && !$env->importMultiple;
}
}
}

30
less.php/lib/Less/Tree/Javascript.php
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@ -1,30 +0,0 @@
<?php
/**
* Javascript
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Javascript extends Less_Tree {
public $type = 'Javascript';
public $escaped;
public $expression;
public $index;
/**
* @param boolean $index
* @param boolean $escaped
*/
public function __construct( $string, $index, $escaped ) {
$this->escaped = $escaped;
$this->expression = $string;
$this->index = $index;
}
public function compile() {
return new Less_Tree_Anonymous( '/* Sorry, can not do JavaScript evaluation in PHP... :( */' );
}
}

43
less.php/lib/Less/Tree/Keyword.php
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@ -1,43 +0,0 @@
<?php
/**
* Keyword
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Keyword extends Less_Tree {
public $value;
public $type = 'Keyword';
/**
* @param string $value
*/
public function __construct( $value ) {
$this->value = $value;
}
public function compile() {
return $this;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( $this->value === '%' ) {
throw new Less_Exception_Compiler( "Invalid % without number" );
}
$output->add( $this->value );
}
public function compare( $other ) {
if ( $other instanceof Less_Tree_Keyword ) {
return $other->value === $this->value ? 0 : 1;
} else {
return -1;
}
}
}

173
less.php/lib/Less/Tree/Media.php
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@ -1,173 +0,0 @@
<?php
/**
* Media
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Media extends Less_Tree {
public $features;
public $rules;
public $index;
public $currentFileInfo;
public $isReferenced;
public $type = 'Media';
public function __construct( $value = array(), $features = array(), $index = null, $currentFileInfo = null ) {
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
$selectors = $this->emptySelectors();
$this->features = new Less_Tree_Value( $features );
$this->rules = array( new Less_Tree_Ruleset( $selectors, $value ) );
$this->rules[0]->allowImports = true;
}
public function accept( $visitor ) {
$this->features = $visitor->visitObj( $this->features );
$this->rules = $visitor->visitArray( $this->rules );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( '@media ', $this->currentFileInfo, $this->index );
$this->features->genCSS( $output );
Less_Tree::outputRuleset( $output, $this->rules );
}
public function compile( $env ) {
$media = new Less_Tree_Media( array(), array(), $this->index, $this->currentFileInfo );
$strictMathBypass = false;
if ( Less_Parser::$options['strictMath'] === false ) {
$strictMathBypass = true;
Less_Parser::$options['strictMath'] = true;
}
$media->features = $this->features->compile( $env );
if ( $strictMathBypass ) {
Less_Parser::$options['strictMath'] = false;
}
$env->mediaPath[] = $media;
$env->mediaBlocks[] = $media;
array_unshift( $env->frames, $this->rules[0] );
$media->rules = array( $this->rules[0]->compile( $env ) );
array_shift( $env->frames );
array_pop( $env->mediaPath );
return !$env->mediaPath ? $media->compileTop( $env ) : $media->compileNested( $env );
}
public function variable( $name ) {
return $this->rules[0]->variable( $name );
}
public function find( $selector ) {
return $this->rules[0]->find( $selector, $this );
}
public function emptySelectors() {
$el = new Less_Tree_Element( '', '&', $this->index, $this->currentFileInfo );
$sels = array( new Less_Tree_Selector( array( $el ), array(), null, $this->index, $this->currentFileInfo ) );
$sels[0]->mediaEmpty = true;
return $sels;
}
public function markReferenced() {
$this->rules[0]->markReferenced();
$this->isReferenced = true;
Less_Tree::ReferencedArray( $this->rules[0]->rules );
}
// evaltop
public function compileTop( $env ) {
$result = $this;
if ( count( $env->mediaBlocks ) > 1 ) {
$selectors = $this->emptySelectors();
$result = new Less_Tree_Ruleset( $selectors, $env->mediaBlocks );
$result->multiMedia = true;
}
$env->mediaBlocks = array();
$env->mediaPath = array();
return $result;
}
public function compileNested( $env ) {
$path = array_merge( $env->mediaPath, array( $this ) );
// Extract the media-query conditions separated with `,` (OR).
foreach ( $path as $key => $p ) {
$value = $p->features instanceof Less_Tree_Value ? $p->features->value : $p->features;
$path[$key] = is_array( $value ) ? $value : array( $value );
}
// Trace all permutations to generate the resulting media-query.
//
// (a, b and c) with nested (d, e) ->
// a and d
// a and e
// b and c and d
// b and c and e
$permuted = $this->permute( $path );
$expressions = array();
foreach ( $permuted as $path ) {
for ( $i = 0, $len = count( $path ); $i < $len; $i++ ) {
$path[$i] = Less_Parser::is_method( $path[$i], 'toCSS' ) ? $path[$i] : new Less_Tree_Anonymous( $path[$i] );
}
for ( $i = count( $path ) - 1; $i > 0; $i-- ) {
array_splice( $path, $i, 0, array( new Less_Tree_Anonymous( 'and' ) ) );
}
$expressions[] = new Less_Tree_Expression( $path );
}
$this->features = new Less_Tree_Value( $expressions );
// Fake a tree-node that doesn't output anything.
return new Less_Tree_Ruleset( array(), array() );
}
public function permute( $arr ) {
if ( !$arr )
return array();
if ( count( $arr ) == 1 )
return $arr[0];
$result = array();
$rest = $this->permute( array_slice( $arr, 1 ) );
foreach ( $rest as $r ) {
foreach ( $arr[0] as $a ) {
$result[] = array_merge(
is_array( $a ) ? $a : array( $a ),
is_array( $r ) ? $r : array( $r )
);
}
}
return $result;
}
public function bubbleSelectors( $selectors ) {
if ( !$selectors ) return;
$this->rules = array( new Less_Tree_Ruleset( $selectors, array( $this->rules[0] ) ) );
}
}

193
less.php/lib/Less/Tree/Mixin/Call.php
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@ -1,193 +0,0 @@
<?php
class Less_Tree_Mixin_Call extends Less_Tree {
public $selector;
public $arguments;
public $index;
public $currentFileInfo;
public $important;
public $type = 'MixinCall';
/**
* less.js: tree.mixin.Call
*
*/
public function __construct( $elements, $args, $index, $currentFileInfo, $important = false ) {
$this->selector = new Less_Tree_Selector( $elements );
$this->arguments = $args;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
$this->important = $important;
}
// function accept($visitor){
// $this->selector = $visitor->visit($this->selector);
// $this->arguments = $visitor->visit($this->arguments);
//}
public function compile( $env ) {
$rules = array();
$match = false;
$isOneFound = false;
$candidates = array();
$defaultUsed = false;
$conditionResult = array();
$args = array();
foreach ( $this->arguments as $a ) {
$args[] = array( 'name' => $a['name'], 'value' => $a['value']->compile( $env ) );
}
foreach ( $env->frames as $frame ) {
$mixins = $frame->find( $this->selector );
if ( !$mixins ) {
continue;
}
$isOneFound = true;
$defNone = 0;
$defTrue = 1;
$defFalse = 2;
// To make `default()` function independent of definition order we have two "subpasses" here.
// At first we evaluate each guard *twice* (with `default() == true` and `default() == false`),
// and build candidate list with corresponding flags. Then, when we know all possible matches,
// we make a final decision.
$mixins_len = count( $mixins );
for ( $m = 0; $m < $mixins_len; $m++ ) {
$mixin = $mixins[$m];
if ( $this->IsRecursive( $env, $mixin ) ) {
continue;
}
if ( $mixin->matchArgs( $args, $env ) ) {
$candidate = array( 'mixin' => $mixin, 'group' => $defNone );
if ( $mixin instanceof Less_Tree_Ruleset ) {
for ( $f = 0; $f < 2; $f++ ) {
Less_Tree_DefaultFunc::value( $f );
$conditionResult[$f] = $mixin->matchCondition( $args, $env );
}
if ( $conditionResult[0] || $conditionResult[1] ) {
if ( $conditionResult[0] != $conditionResult[1] ) {
$candidate['group'] = $conditionResult[1] ? $defTrue : $defFalse;
}
$candidates[] = $candidate;
}
} else {
$candidates[] = $candidate;
}
$match = true;
}
}
Less_Tree_DefaultFunc::reset();
$count = array( 0, 0, 0 );
for ( $m = 0; $m < count( $candidates ); $m++ ) {
$count[ $candidates[$m]['group'] ]++;
}
if ( $count[$defNone] > 0 ) {
$defaultResult = $defFalse;
} else {
$defaultResult = $defTrue;
if ( ( $count[$defTrue] + $count[$defFalse] ) > 1 ) {
throw new Exception( 'Ambiguous use of `default()` found when matching for `' . $this->format( $args ) . '`' );
}
}
$candidates_length = count( $candidates );
$length_1 = ( $candidates_length == 1 );
for ( $m = 0; $m < $candidates_length; $m++ ) {
$candidate = $candidates[$m]['group'];
if ( ( $candidate === $defNone ) || ( $candidate === $defaultResult ) ) {
try{
$mixin = $candidates[$m]['mixin'];
if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) {
$mixin = new Less_Tree_Mixin_Definition( '', array(), $mixin->rules, null, false );
$mixin->originalRuleset = $mixins[$m]->originalRuleset;
}
$rules = array_merge( $rules, $mixin->evalCall( $env, $args, $this->important )->rules );
} catch ( Exception $e ) {
// throw new Less_Exception_Compiler($e->getMessage(), $e->index, null, $this->currentFileInfo['filename']);
throw new Less_Exception_Compiler( $e->getMessage(), null, null, $this->currentFileInfo );
}
}
}
if ( $match ) {
if ( !$this->currentFileInfo || !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] ) {
Less_Tree::ReferencedArray( $rules );
}
return $rules;
}
}
if ( $isOneFound ) {
throw new Less_Exception_Compiler( 'No matching definition was found for `'.$this->Format( $args ).'`', null, $this->index, $this->currentFileInfo );
} else {
throw new Less_Exception_Compiler( trim( $this->selector->toCSS() ) . " is undefined in ".$this->currentFileInfo['filename'], null, $this->index );
}
}
/**
* Format the args for use in exception messages
*
*/
private function Format( $args ) {
$message = array();
if ( $args ) {
foreach ( $args as $a ) {
$argValue = '';
if ( $a['name'] ) {
$argValue .= $a['name'] . ':';
}
if ( is_object( $a['value'] ) ) {
$argValue .= $a['value']->toCSS();
} else {
$argValue .= '???';
}
$message[] = $argValue;
}
}
return implode( ', ', $message );
}
/**
* Are we in a recursive mixin call?
*
* @return bool
*/
private function IsRecursive( $env, $mixin ) {
foreach ( $env->frames as $recur_frame ) {
if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) {
if ( $mixin === $recur_frame ) {
return true;
}
if ( isset( $recur_frame->originalRuleset ) && $mixin->ruleset_id === $recur_frame->originalRuleset ) {
return true;
}
}
}
return false;
}
}

233
less.php/lib/Less/Tree/Mixin/Definition.php
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@ -1,233 +0,0 @@
<?php
class Less_Tree_Mixin_Definition extends Less_Tree_Ruleset {
public $name;
public $selectors;
public $params;
public $arity = 0;
public $rules;
public $lookups = array();
public $required = 0;
public $frames = array();
public $condition;
public $variadic;
public $type = 'MixinDefinition';
// less.js : /lib/less/tree/mixin.js : tree.mixin.Definition
public function __construct( $name, $params, $rules, $condition, $variadic = false, $frames = array() ) {
$this->name = $name;
$this->selectors = array( new Less_Tree_Selector( array( new Less_Tree_Element( null, $name ) ) ) );
$this->params = $params;
$this->condition = $condition;
$this->variadic = $variadic;
$this->rules = $rules;
if ( $params ) {
$this->arity = count( $params );
foreach ( $params as $p ) {
if ( !isset( $p['name'] ) || ( $p['name'] && !isset( $p['value'] ) ) ) {
$this->required++;
}
}
}
$this->frames = $frames;
$this->SetRulesetIndex();
}
// function accept( $visitor ){
// $this->params = $visitor->visit($this->params);
// $this->rules = $visitor->visit($this->rules);
// $this->condition = $visitor->visit($this->condition);
//}
public function toCSS() {
return '';
}
// less.js : /lib/less/tree/mixin.js : tree.mixin.Definition.evalParams
public function compileParams( $env, $mixinFrames, $args = array(), &$evaldArguments = array() ) {
$frame = new Less_Tree_Ruleset( null, array() );
$params = $this->params;
$mixinEnv = null;
$argsLength = 0;
if ( $args ) {
$argsLength = count( $args );
for ( $i = 0; $i < $argsLength; $i++ ) {
$arg = $args[$i];
if ( $arg && $arg['name'] ) {
$isNamedFound = false;
foreach ( $params as $j => $param ) {
if ( !isset( $evaldArguments[$j] ) && $arg['name'] === $params[$j]['name'] ) {
$evaldArguments[$j] = $arg['value']->compile( $env );
array_unshift( $frame->rules, new Less_Tree_Rule( $arg['name'], $arg['value']->compile( $env ) ) );
$isNamedFound = true;
break;
}
}
if ( $isNamedFound ) {
array_splice( $args, $i, 1 );
$i--;
$argsLength--;
continue;
} else {
throw new Less_Exception_Compiler( "Named argument for " . $this->name .' '.$args[$i]['name'] . ' not found' );
}
}
}
}
$argIndex = 0;
foreach ( $params as $i => $param ) {
if ( isset( $evaldArguments[$i] ) ) { continue;
}
$arg = null;
if ( isset( $args[$argIndex] ) ) {
$arg = $args[$argIndex];
}
if ( isset( $param['name'] ) && $param['name'] ) {
if ( isset( $param['variadic'] ) ) {
$varargs = array();
for ( $j = $argIndex; $j < $argsLength; $j++ ) {
$varargs[] = $args[$j]['value']->compile( $env );
}
$expression = new Less_Tree_Expression( $varargs );
array_unshift( $frame->rules, new Less_Tree_Rule( $param['name'], $expression->compile( $env ) ) );
} else {
$val = ( $arg && $arg['value'] ) ? $arg['value'] : false;
if ( $val ) {
$val = $val->compile( $env );
} else if ( isset( $param['value'] ) ) {
if ( !$mixinEnv ) {
$mixinEnv = new Less_Environment();
$mixinEnv->frames = array_merge( array( $frame ), $mixinFrames );
}
$val = $param['value']->compile( $mixinEnv );
$frame->resetCache();
} else {
throw new Less_Exception_Compiler( "Wrong number of arguments for " . $this->name . " (" . $argsLength . ' for ' . $this->arity . ")" );
}
array_unshift( $frame->rules, new Less_Tree_Rule( $param['name'], $val ) );
$evaldArguments[$i] = $val;
}
}
if ( isset( $param['variadic'] ) && $args ) {
for ( $j = $argIndex; $j < $argsLength; $j++ ) {
$evaldArguments[$j] = $args[$j]['value']->compile( $env );
}
}
$argIndex++;
}
ksort( $evaldArguments );
$evaldArguments = array_values( $evaldArguments );
return $frame;
}
public function compile( $env ) {
if ( $this->frames ) {
return new Less_Tree_Mixin_Definition( $this->name, $this->params, $this->rules, $this->condition, $this->variadic, $this->frames );
}
return new Less_Tree_Mixin_Definition( $this->name, $this->params, $this->rules, $this->condition, $this->variadic, $env->frames );
}
public function evalCall( $env, $args = NULL, $important = NULL ) {
Less_Environment::$mixin_stack++;
$_arguments = array();
if ( $this->frames ) {
$mixinFrames = array_merge( $this->frames, $env->frames );
} else {
$mixinFrames = $env->frames;
}
$frame = $this->compileParams( $env, $mixinFrames, $args, $_arguments );
$ex = new Less_Tree_Expression( $_arguments );
array_unshift( $frame->rules, new Less_Tree_Rule( '@arguments', $ex->compile( $env ) ) );
$ruleset = new Less_Tree_Ruleset( null, $this->rules );
$ruleset->originalRuleset = $this->ruleset_id;
$ruleSetEnv = new Less_Environment();
$ruleSetEnv->frames = array_merge( array( $this, $frame ), $mixinFrames );
$ruleset = $ruleset->compile( $ruleSetEnv );
if ( $important ) {
$ruleset = $ruleset->makeImportant();
}
Less_Environment::$mixin_stack--;
return $ruleset;
}
public function matchCondition( $args, $env ) {
if ( !$this->condition ) {
return true;
}
// set array to prevent error on array_merge
if ( !is_array( $this->frames ) ) {
$this->frames = array();
}
$frame = $this->compileParams( $env, array_merge( $this->frames, $env->frames ), $args );
$compile_env = new Less_Environment();
$compile_env->frames = array_merge(
array( $frame ), // the parameter variables
$this->frames, // the parent namespace/mixin frames
$env->frames // the current environment frames
);
$compile_env->functions = $env->functions;
return (bool)$this->condition->compile( $compile_env );
}
public function matchArgs( $args, $env = NULL ) {
$argsLength = count( $args );
if ( !$this->variadic ) {
if ( $argsLength < $this->required ) {
return false;
}
if ( $argsLength > count( $this->params ) ) {
return false;
}
} else {
if ( $argsLength < ( $this->required - 1 ) ) {
return false;
}
}
$len = min( $argsLength, $this->arity );
for ( $i = 0; $i < $len; $i++ ) {
if ( !isset( $this->params[$i]['name'] ) && !isset( $this->params[$i]['variadic'] ) ) {
if ( $args[$i]['value']->compile( $env )->toCSS() != $this->params[$i]['value']->compile( $env )->toCSS() ) {
return false;
}
}
}
return true;
}
}

49
less.php/lib/Less/Tree/NameValue.php
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@ -1,49 +0,0 @@
<?php
/**
* A simple css name-value pair
* ex: width:100px;
*
* In bootstrap, there are about 600-1,000 simple name-value pairs (depending on how forgiving the match is) -vs- 6,020 dynamic rules (Less_Tree_Rule)
* Using the name-value object can speed up bootstrap compilation slightly, but it breaks color keyword interpretation: color:red -> color:#FF0000;
*
* @package Less
* @subpackage tree
*/
class Less_Tree_NameValue extends Less_Tree {
public $name;
public $value;
public $index;
public $currentFileInfo;
public $type = 'NameValue';
public $important = '';
public function __construct( $name, $value = null, $index = null, $currentFileInfo = null ) {
$this->name = $name;
$this->value = $value;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
public function genCSS( $output ) {
$output->add(
$this->name
. Less_Environment::$_outputMap[': ']
. $this->value
. $this->important
. ( ( ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ),
$this->currentFileInfo, $this->index );
}
public function compile( $env ) {
return $this;
}
public function makeImportant() {
$new = new Less_Tree_NameValue( $this->name, $this->value, $this->index, $this->currentFileInfo );
$new->important = ' !important';
return $new;
}
}

37
less.php/lib/Less/Tree/Negative.php
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@ -1,37 +0,0 @@
<?php
/**
* Negative
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Negative extends Less_Tree {
public $value;
public $type = 'Negative';
public function __construct( $node ) {
$this->value = $node;
}
// function accept($visitor) {
// $this->value = $visitor->visit($this->value);
//}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( '-' );
$this->value->genCSS( $output );
}
public function compile( $env ) {
if ( Less_Environment::isMathOn() ) {
$ret = new Less_Tree_Operation( '*', array( new Less_Tree_Dimension( -1 ), $this->value ) );
return $ret->compile( $env );
}
return new Less_Tree_Negative( $this->value->compile( $env ) );
}
}

68
less.php/lib/Less/Tree/Operation.php
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@ -1,68 +0,0 @@
<?php
/**
* Operation
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Operation extends Less_Tree {
public $op;
public $operands;
public $isSpaced;
public $type = 'Operation';
/**
* @param string $op
*/
public function __construct( $op, $operands, $isSpaced = false ) {
$this->op = trim( $op );
$this->operands = $operands;
$this->isSpaced = $isSpaced;
}
public function accept( $visitor ) {
$this->operands = $visitor->visitArray( $this->operands );
}
public function compile( $env ) {
$a = $this->operands[0]->compile( $env );
$b = $this->operands[1]->compile( $env );
if ( Less_Environment::isMathOn() ) {
if ( $a instanceof Less_Tree_Dimension && $b instanceof Less_Tree_Color ) {
$a = $a->toColor();
} elseif ( $b instanceof Less_Tree_Dimension && $a instanceof Less_Tree_Color ) {
$b = $b->toColor();
}
if ( !method_exists( $a, 'operate' ) ) {
throw new Less_Exception_Compiler( "Operation on an invalid type" );
}
return $a->operate( $this->op, $b );
}
return new Less_Tree_Operation( $this->op, array( $a, $b ), $this->isSpaced );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$this->operands[0]->genCSS( $output );
if ( $this->isSpaced ) {
$output->add( " " );
}
$output->add( $this->op );
if ( $this->isSpaced ) {
$output->add( ' ' );
}
$this->operands[1]->genCSS( $output );
}
}

35
less.php/lib/Less/Tree/Paren.php
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@ -1,35 +0,0 @@
<?php
/**
* Paren
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Paren extends Less_Tree {
public $value;
public $type = 'Paren';
public function __construct( $value ) {
$this->value = $value;
}
public function accept( $visitor ) {
$this->value = $visitor->visitObj( $this->value );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( '(' );
$this->value->genCSS( $output );
$output->add( ')' );
}
public function compile( $env ) {
return new Less_Tree_Paren( $this->value->compile( $env ) );
}
}

79
less.php/lib/Less/Tree/Quoted.php
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@ -1,79 +0,0 @@
<?php
/**
* Quoted
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Quoted extends Less_Tree {
public $escaped;
public $value;
public $quote;
public $index;
public $currentFileInfo;
public $type = 'Quoted';
/**
* @param string $str
*/
public function __construct( $str, $content = '', $escaped = false, $index = false, $currentFileInfo = null ) {
$this->escaped = $escaped;
$this->value = $content;
if ( $str ) {
$this->quote = $str[0];
}
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( !$this->escaped ) {
$output->add( $this->quote, $this->currentFileInfo, $this->index );
}
$output->add( $this->value );
if ( !$this->escaped ) {
$output->add( $this->quote );
}
}
public function compile( $env ) {
$value = $this->value;
if ( preg_match_all( '/`([^`]+)`/', $this->value, $matches ) ) {
foreach ( $matches as $i => $match ) {
$js = new Less_Tree_JavaScript( $matches[1], $this->index, true );
$js = $js->compile()->value;
$value = str_replace( $matches[0][$i], $js, $value );
}
}
if ( preg_match_all( '/@\{([\w-]+)\}/', $value, $matches ) ) {
foreach ( $matches[1] as $i => $match ) {
$v = new Less_Tree_Variable( '@' . $match, $this->index, $this->currentFileInfo );
$v = $v->compile( $env );
$v = ( $v instanceof Less_Tree_Quoted ) ? $v->value : $v->toCSS();
$value = str_replace( $matches[0][$i], $v, $value );
}
}
return new Less_Tree_Quoted( $this->quote . $value . $this->quote, $value, $this->escaped, $this->index, $this->currentFileInfo );
}
public function compare( $x ) {
if ( !Less_Parser::is_method( $x, 'toCSS' ) ) {
return -1;
}
$left = $this->toCSS();
$right = $x->toCSS();
if ( $left === $right ) {
return 0;
}
return $left < $right ? -1 : 1;
}
}

112
less.php/lib/Less/Tree/Rule.php
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@ -1,112 +0,0 @@
<?php
/**
* Rule
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Rule extends Less_Tree {
public $name;
public $value;
public $important;
public $merge;
public $index;
public $inline;
public $variable;
public $currentFileInfo;
public $type = 'Rule';
/**
* @param string $important
*/
public function __construct( $name, $value = null, $important = null, $merge = null, $index = null, $currentFileInfo = null, $inline = false ) {
$this->name = $name;
$this->value = ( $value instanceof Less_Tree_Value || $value instanceof Less_Tree_Ruleset ) ? $value : new Less_Tree_Value( array( $value ) );
$this->important = $important ? ' ' . trim( $important ) : '';
$this->merge = $merge;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
$this->inline = $inline;
$this->variable = ( is_string( $name ) && $name[0] === '@' );
}
public function accept( $visitor ) {
$this->value = $visitor->visitObj( $this->value );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->name . Less_Environment::$_outputMap[': '], $this->currentFileInfo, $this->index );
try{
$this->value->genCSS( $output );
}catch ( Less_Exception_Parser $e ) {
$e->index = $this->index;
$e->currentFile = $this->currentFileInfo;
throw $e;
}
$output->add( $this->important . ( ( $this->inline || ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ), $this->currentFileInfo, $this->index );
}
public function compile( $env ) {
$name = $this->name;
if ( is_array( $name ) ) {
// expand 'primitive' name directly to get
// things faster (~10% for benchmark.less):
if ( count( $name ) === 1 && $name[0] instanceof Less_Tree_Keyword ) {
$name = $name[0]->value;
} else {
$name = $this->CompileName( $env, $name );
}
}
$strictMathBypass = Less_Parser::$options['strictMath'];
if ( $name === "font" && !Less_Parser::$options['strictMath'] ) {
Less_Parser::$options['strictMath'] = true;
}
try {
$evaldValue = $this->value->compile( $env );
if ( !$this->variable && $evaldValue->type === "DetachedRuleset" ) {
throw new Less_Exception_Compiler( "Rulesets cannot be evaluated on a property.", null, $this->index, $this->currentFileInfo );
}
if ( Less_Environment::$mixin_stack ) {
$return = new Less_Tree_Rule( $name, $evaldValue, $this->important, $this->merge, $this->index, $this->currentFileInfo, $this->inline );
} else {
$this->name = $name;
$this->value = $evaldValue;
$return = $this;
}
}catch ( Less_Exception_Parser $e ) {
if ( !is_numeric( $e->index ) ) {
$e->index = $this->index;
$e->currentFile = $this->currentFileInfo;
}
throw $e;
}
Less_Parser::$options['strictMath'] = $strictMathBypass;
return $return;
}
public function CompileName( $env, $name ) {
$output = new Less_Output();
foreach ( $name as $n ) {
$n->compile( $env )->genCSS( $output );
}
return $output->toString();
}
public function makeImportant() {
return new Less_Tree_Rule( $this->name, $this->value, '!important', $this->merge, $this->index, $this->currentFileInfo, $this->inline );
}
}

621
less.php/lib/Less/Tree/Ruleset.php
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@ -1,621 +0,0 @@
<?php
/**
* Ruleset
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Ruleset extends Less_Tree {
protected $lookups;
public $_variables;
public $_rulesets;
public $strictImports;
public $selectors;
public $rules;
public $root;
public $allowImports;
public $paths;
public $firstRoot;
public $type = 'Ruleset';
public $multiMedia;
public $allExtends;
public $ruleset_id;
public $originalRuleset;
public $first_oelements;
public function SetRulesetIndex() {
$this->ruleset_id = Less_Parser::$next_id++;
$this->originalRuleset = $this->ruleset_id;
if ( $this->selectors ) {
foreach ( $this->selectors as $sel ) {
if ( $sel->_oelements ) {
$this->first_oelements[$sel->_oelements[0]] = true;
}
}
}
}
public function __construct( $selectors, $rules, $strictImports = null ) {
$this->selectors = $selectors;
$this->rules = $rules;
$this->lookups = array();
$this->strictImports = $strictImports;
$this->SetRulesetIndex();
}
public function accept( $visitor ) {
if ( $this->paths ) {
$paths_len = count( $this->paths );
for ( $i = 0,$paths_len; $i < $paths_len; $i++ ) {
$this->paths[$i] = $visitor->visitArray( $this->paths[$i] );
}
} elseif ( $this->selectors ) {
$this->selectors = $visitor->visitArray( $this->selectors );
}
if ( $this->rules ) {
$this->rules = $visitor->visitArray( $this->rules );
}
}
public function compile( $env ) {
$ruleset = $this->PrepareRuleset( $env );
// Store the frames around mixin definitions,
// so they can be evaluated like closures when the time comes.
$rsRuleCnt = count( $ruleset->rules );
for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
if ( $ruleset->rules[$i] instanceof Less_Tree_Mixin_Definition || $ruleset->rules[$i] instanceof Less_Tree_DetachedRuleset ) {
$ruleset->rules[$i] = $ruleset->rules[$i]->compile( $env );
}
}
$mediaBlockCount = 0;
if ( $env instanceof Less_Environment ) {
$mediaBlockCount = count( $env->mediaBlocks );
}
// Evaluate mixin calls.
$this->EvalMixinCalls( $ruleset, $env, $rsRuleCnt );
// Evaluate everything else
for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
if ( !( $ruleset->rules[$i] instanceof Less_Tree_Mixin_Definition || $ruleset->rules[$i] instanceof Less_Tree_DetachedRuleset ) ) {
$ruleset->rules[$i] = $ruleset->rules[$i]->compile( $env );
}
}
// Evaluate everything else
for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
$rule = $ruleset->rules[$i];
// for rulesets, check if it is a css guard and can be removed
if ( $rule instanceof Less_Tree_Ruleset && $rule->selectors && count( $rule->selectors ) === 1 ) {
// check if it can be folded in (e.g. & where)
if ( $rule->selectors[0]->isJustParentSelector() ) {
array_splice( $ruleset->rules, $i--, 1 );
$rsRuleCnt--;
for ( $j = 0; $j < count( $rule->rules ); $j++ ) {
$subRule = $rule->rules[$j];
if ( !( $subRule instanceof Less_Tree_Rule ) || !$subRule->variable ) {
array_splice( $ruleset->rules, ++$i, 0, array( $subRule ) );
$rsRuleCnt++;
}
}
}
}
}
// Pop the stack
$env->shiftFrame();
if ( $mediaBlockCount ) {
$len = count( $env->mediaBlocks );
for ( $i = $mediaBlockCount; $i < $len; $i++ ) {
$env->mediaBlocks[$i]->bubbleSelectors( $ruleset->selectors );
}
}
return $ruleset;
}
/**
* Compile Less_Tree_Mixin_Call objects
*
* @param Less_Tree_Ruleset $ruleset
* @param integer $rsRuleCnt
*/
private function EvalMixinCalls( $ruleset, $env, &$rsRuleCnt ) {
for ( $i = 0; $i < $rsRuleCnt; $i++ ) {
$rule = $ruleset->rules[$i];
if ( $rule instanceof Less_Tree_Mixin_Call ) {
$rule = $rule->compile( $env );
$temp = array();
foreach ( $rule as $r ) {
if ( ( $r instanceof Less_Tree_Rule ) && $r->variable ) {
// do not pollute the scope if the variable is
// already there. consider returning false here
// but we need a way to "return" variable from mixins
if ( !$ruleset->variable( $r->name ) ) {
$temp[] = $r;
}
} else {
$temp[] = $r;
}
}
$temp_count = count( $temp ) - 1;
array_splice( $ruleset->rules, $i, 1, $temp );
$rsRuleCnt += $temp_count;
$i += $temp_count;
$ruleset->resetCache();
} elseif ( $rule instanceof Less_Tree_RulesetCall ) {
$rule = $rule->compile( $env );
$rules = array();
foreach ( $rule->rules as $r ) {
if ( ( $r instanceof Less_Tree_Rule ) && $r->variable ) {
continue;
}
$rules[] = $r;
}
array_splice( $ruleset->rules, $i, 1, $rules );
$temp_count = count( $rules );
$rsRuleCnt += $temp_count - 1;
$i += $temp_count - 1;
$ruleset->resetCache();
}
}
}
/**
* Compile the selectors and create a new ruleset object for the compile() method
*
*/
private function PrepareRuleset( $env ) {
$hasOnePassingSelector = false;
$selectors = array();
if ( $this->selectors ) {
Less_Tree_DefaultFunc::error( "it is currently only allowed in parametric mixin guards," );
foreach ( $this->selectors as $s ) {
$selector = $s->compile( $env );
$selectors[] = $selector;
if ( $selector->evaldCondition ) {
$hasOnePassingSelector = true;
}
}
Less_Tree_DefaultFunc::reset();
} else {
$hasOnePassingSelector = true;
}
if ( $this->rules && $hasOnePassingSelector ) {
$rules = $this->rules;
} else {
$rules = array();
}
$ruleset = new Less_Tree_Ruleset( $selectors, $rules, $this->strictImports );
$ruleset->originalRuleset = $this->ruleset_id;
$ruleset->root = $this->root;
$ruleset->firstRoot = $this->firstRoot;
$ruleset->allowImports = $this->allowImports;
// push the current ruleset to the frames stack
$env->unshiftFrame( $ruleset );
// Evaluate imports
if ( $ruleset->root || $ruleset->allowImports || !$ruleset->strictImports ) {
$ruleset->evalImports( $env );
}
return $ruleset;
}
function evalImports( $env ) {
$rules_len = count( $this->rules );
for ( $i = 0; $i < $rules_len; $i++ ) {
$rule = $this->rules[$i];
if ( $rule instanceof Less_Tree_Import ) {
$rules = $rule->compile( $env );
if ( is_array( $rules ) ) {
array_splice( $this->rules, $i, 1, $rules );
$temp_count = count( $rules ) - 1;
$i += $temp_count;
$rules_len += $temp_count;
} else {
array_splice( $this->rules, $i, 1, array( $rules ) );
}
$this->resetCache();
}
}
}
function makeImportant() {
$important_rules = array();
foreach ( $this->rules as $rule ) {
if ( $rule instanceof Less_Tree_Rule || $rule instanceof Less_Tree_Ruleset || $rule instanceof Less_Tree_NameValue ) {
$important_rules[] = $rule->makeImportant();
} else {
$important_rules[] = $rule;
}
}
return new Less_Tree_Ruleset( $this->selectors, $important_rules, $this->strictImports );
}
public function matchArgs( $args ) {
return !$args;
}
// lets you call a css selector with a guard
public function matchCondition( $args, $env ) {
$lastSelector = end( $this->selectors );
if ( !$lastSelector->evaldCondition ) {
return false;
}
if ( $lastSelector->condition && !$lastSelector->condition->compile( $env->copyEvalEnv( $env->frames ) ) ) {
return false;
}
return true;
}
function resetCache() {
$this->_rulesets = null;
$this->_variables = null;
$this->lookups = array();
}
public function variables() {
$this->_variables = array();
foreach ( $this->rules as $r ) {
if ( $r instanceof Less_Tree_Rule && $r->variable === true ) {
$this->_variables[$r->name] = $r;
}
}
}
public function variable( $name ) {
if ( is_null( $this->_variables ) ) {
$this->variables();
}
return isset( $this->_variables[$name] ) ? $this->_variables[$name] : null;
}
public function find( $selector, $self = null ) {
$key = implode( ' ', $selector->_oelements );
if ( !isset( $this->lookups[$key] ) ) {
if ( !$self ) {
$self = $this->ruleset_id;
}
$this->lookups[$key] = array();
$first_oelement = $selector->_oelements[0];
foreach ( $this->rules as $rule ) {
if ( $rule instanceof Less_Tree_Ruleset && $rule->ruleset_id != $self ) {
if ( isset( $rule->first_oelements[$first_oelement] ) ) {
foreach ( $rule->selectors as $ruleSelector ) {
$match = $selector->match( $ruleSelector );
if ( $match ) {
if ( $selector->elements_len > $match ) {
$this->lookups[$key] = array_merge( $this->lookups[$key], $rule->find( new Less_Tree_Selector( array_slice( $selector->elements, $match ) ), $self ) );
} else {
$this->lookups[$key][] = $rule;
}
break;
}
}
}
}
}
}
return $this->lookups[$key];
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( !$this->root ) {
Less_Environment::$tabLevel++;
}
$tabRuleStr = $tabSetStr = '';
if ( !Less_Parser::$options['compress'] ) {
if ( Less_Environment::$tabLevel ) {
$tabRuleStr = "\n".str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel );
$tabSetStr = "\n".str_repeat( Less_Parser::$options['indentation'], Less_Environment::$tabLevel - 1 );
} else {
$tabSetStr = $tabRuleStr = "\n";
}
}
$ruleNodes = array();
$rulesetNodes = array();
foreach ( $this->rules as $rule ) {
$class = get_class( $rule );
if ( ( $class === 'Less_Tree_Media' ) || ( $class === 'Less_Tree_Directive' ) || ( $this->root && $class === 'Less_Tree_Comment' ) || ( $class === 'Less_Tree_Ruleset' && $rule->rules ) ) {
$rulesetNodes[] = $rule;
} else {
$ruleNodes[] = $rule;
}
}
// If this is the root node, we don't render
// a selector, or {}.
if ( !$this->root ) {
/*
debugInfo = tree.debugInfo(env, this, tabSetStr);
if (debugInfo) {
output.add(debugInfo);
output.add(tabSetStr);
}
*/
$paths_len = count( $this->paths );
for ( $i = 0; $i < $paths_len; $i++ ) {
$path = $this->paths[$i];
$firstSelector = true;
foreach ( $path as $p ) {
$p->genCSS( $output, $firstSelector );
$firstSelector = false;
}
if ( $i + 1 < $paths_len ) {
$output->add( ',' . $tabSetStr );
}
}
$output->add( ( Less_Parser::$options['compress'] ? '{' : " {" ) . $tabRuleStr );
}
// Compile rules and rulesets
$ruleNodes_len = count( $ruleNodes );
$rulesetNodes_len = count( $rulesetNodes );
for ( $i = 0; $i < $ruleNodes_len; $i++ ) {
$rule = $ruleNodes[$i];
// @page{ directive ends up with root elements inside it, a mix of rules and rulesets
// In this instance we do not know whether it is the last property
if ( $i + 1 === $ruleNodes_len && ( !$this->root || $rulesetNodes_len === 0 || $this->firstRoot ) ) {
Less_Environment::$lastRule = true;
}
$rule->genCSS( $output );
if ( !Less_Environment::$lastRule ) {
$output->add( $tabRuleStr );
} else {
Less_Environment::$lastRule = false;
}
}
if ( !$this->root ) {
$output->add( $tabSetStr . '}' );
Less_Environment::$tabLevel--;
}
$firstRuleset = true;
$space = ( $this->root ? $tabRuleStr : $tabSetStr );
for ( $i = 0; $i < $rulesetNodes_len; $i++ ) {
if ( $ruleNodes_len && $firstRuleset ) {
$output->add( $space );
} elseif ( !$firstRuleset ) {
$output->add( $space );
}
$firstRuleset = false;
$rulesetNodes[$i]->genCSS( $output );
}
if ( !Less_Parser::$options['compress'] && $this->firstRoot ) {
$output->add( "\n" );
}
}
function markReferenced() {
if ( !$this->selectors ) {
return;
}
foreach ( $this->selectors as $selector ) {
$selector->markReferenced();
}
}
public function joinSelectors( $context, $selectors ) {
$paths = array();
if ( is_array( $selectors ) ) {
foreach ( $selectors as $selector ) {
$this->joinSelector( $paths, $context, $selector );
}
}
return $paths;
}
public function joinSelector( &$paths, $context, $selector ) {
$hasParentSelector = false;
foreach ( $selector->elements as $el ) {
if ( $el->value === '&' ) {
$hasParentSelector = true;
}
}
if ( !$hasParentSelector ) {
if ( $context ) {
foreach ( $context as $context_el ) {
$paths[] = array_merge( $context_el, array( $selector ) );
}
} else {
$paths[] = array( $selector );
}
return;
}
// The paths are [[Selector]]
// The first list is a list of comma separated selectors
// The inner list is a list of inheritance separated selectors
// e.g.
// .a, .b {
// .c {
// }
// }
// == [[.a] [.c]] [[.b] [.c]]
//
// the elements from the current selector so far
$currentElements = array();
// the current list of new selectors to add to the path.
// We will build it up. We initiate it with one empty selector as we "multiply" the new selectors
// by the parents
$newSelectors = array( array() );
foreach ( $selector->elements as $el ) {
// non parent reference elements just get added
if ( $el->value !== '&' ) {
$currentElements[] = $el;
} else {
// the new list of selectors to add
$selectorsMultiplied = array();
// merge the current list of non parent selector elements
// on to the current list of selectors to add
if ( $currentElements ) {
$this->mergeElementsOnToSelectors( $currentElements, $newSelectors );
}
// loop through our current selectors
foreach ( $newSelectors as $sel ) {
// if we don't have any parent paths, the & might be in a mixin so that it can be used
// whether there are parents or not
if ( !$context ) {
// the combinator used on el should now be applied to the next element instead so that
// it is not lost
if ( $sel ) {
$sel[0]->elements = array_slice( $sel[0]->elements, 0 );
$sel[0]->elements[] = new Less_Tree_Element( $el->combinator, '', $el->index, $el->currentFileInfo );
}
$selectorsMultiplied[] = $sel;
} else {
// and the parent selectors
foreach ( $context as $parentSel ) {
// We need to put the current selectors
// then join the last selector's elements on to the parents selectors
// our new selector path
$newSelectorPath = array();
// selectors from the parent after the join
$afterParentJoin = array();
$newJoinedSelectorEmpty = true;
// construct the joined selector - if & is the first thing this will be empty,
// if not newJoinedSelector will be the last set of elements in the selector
if ( $sel ) {
$newSelectorPath = $sel;
$lastSelector = array_pop( $newSelectorPath );
$newJoinedSelector = $selector->createDerived( array_slice( $lastSelector->elements, 0 ) );
$newJoinedSelectorEmpty = false;
} else {
$newJoinedSelector = $selector->createDerived( array() );
}
// put together the parent selectors after the join
if ( count( $parentSel ) > 1 ) {
$afterParentJoin = array_merge( $afterParentJoin, array_slice( $parentSel, 1 ) );
}
if ( $parentSel ) {
$newJoinedSelectorEmpty = false;
// join the elements so far with the first part of the parent
$newJoinedSelector->elements[] = new Less_Tree_Element( $el->combinator, $parentSel[0]->elements[0]->value, $el->index, $el->currentFileInfo );
$newJoinedSelector->elements = array_merge( $newJoinedSelector->elements, array_slice( $parentSel[0]->elements, 1 ) );
}
if ( !$newJoinedSelectorEmpty ) {
// now add the joined selector
$newSelectorPath[] = $newJoinedSelector;
}
// and the rest of the parent
$newSelectorPath = array_merge( $newSelectorPath, $afterParentJoin );
// add that to our new set of selectors
$selectorsMultiplied[] = $newSelectorPath;
}
}
}
// our new selectors has been multiplied, so reset the state
$newSelectors = $selectorsMultiplied;
$currentElements = array();
}
}
// if we have any elements left over (e.g. .a& .b == .b)
// add them on to all the current selectors
if ( $currentElements ) {
$this->mergeElementsOnToSelectors( $currentElements, $newSelectors );
}
foreach ( $newSelectors as $new_sel ) {
if ( $new_sel ) {
$paths[] = $new_sel;
}
}
}
function mergeElementsOnToSelectors( $elements, &$selectors ) {
if ( !$selectors ) {
$selectors[] = array( new Less_Tree_Selector( $elements ) );
return;
}
foreach ( $selectors as &$sel ) {
// if the previous thing in sel is a parent this needs to join on to it
if ( $sel ) {
$last = count( $sel ) - 1;
$sel[$last] = $sel[$last]->createDerived( array_merge( $sel[$last]->elements, $elements ) );
} else {
$sel[] = new Less_Tree_Selector( $elements );
}
}
}
}

26
less.php/lib/Less/Tree/RulesetCall.php
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@ -1,26 +0,0 @@
<?php
/**
* RulesetCall
*
* @package Less
* @subpackage tree
*/
class Less_Tree_RulesetCall extends Less_Tree {
public $variable;
public $type = "RulesetCall";
public function __construct( $variable ) {
$this->variable = $variable;
}
public function accept( $visitor ) {
}
public function compile( $env ) {
$variable = new Less_Tree_Variable( $this->variable );
$detachedRuleset = $variable->compile( $env );
return $detachedRuleset->callEval( $env );
}
}

165
less.php/lib/Less/Tree/Selector.php
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@ -1,165 +0,0 @@
<?php
/**
* Selector
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Selector extends Less_Tree {
public $elements;
public $condition;
public $extendList = array();
public $_css;
public $index;
public $evaldCondition = false;
public $type = 'Selector';
public $currentFileInfo = array();
public $isReferenced;
public $mediaEmpty;
public $elements_len = 0;
public $_oelements;
public $_oelements_assoc;
public $_oelements_len;
public $cacheable = true;
/**
* @param boolean $isReferenced
*/
public function __construct( $elements, $extendList = array(), $condition = null, $index = null, $currentFileInfo = null, $isReferenced = null ) {
$this->elements = $elements;
$this->elements_len = count( $elements );
$this->extendList = $extendList;
$this->condition = $condition;
if ( $currentFileInfo ) {
$this->currentFileInfo = $currentFileInfo;
}
$this->isReferenced = $isReferenced;
if ( !$condition ) {
$this->evaldCondition = true;
}
$this->CacheElements();
}
public function accept( $visitor ) {
$this->elements = $visitor->visitArray( $this->elements );
$this->extendList = $visitor->visitArray( $this->extendList );
if ( $this->condition ) {
$this->condition = $visitor->visitObj( $this->condition );
}
if ( $visitor instanceof Less_Visitor_extendFinder ) {
$this->CacheElements();
}
}
public function createDerived( $elements, $extendList = null, $evaldCondition = null ) {
$newSelector = new Less_Tree_Selector( $elements, ( $extendList ? $extendList : $this->extendList ), null, $this->index, $this->currentFileInfo, $this->isReferenced );
$newSelector->evaldCondition = $evaldCondition ? $evaldCondition : $this->evaldCondition;
return $newSelector;
}
public function match( $other ) {
if ( !$other->_oelements || ( $this->elements_len < $other->_oelements_len ) ) {
return 0;
}
for ( $i = 0; $i < $other->_oelements_len; $i++ ) {
if ( $this->elements[$i]->value !== $other->_oelements[$i] ) {
return 0;
}
}
return $other->_oelements_len; // return number of matched elements
}
public function CacheElements() {
$this->_oelements = array();
$this->_oelements_assoc = array();
$css = '';
foreach ( $this->elements as $v ) {
$css .= $v->combinator;
if ( !$v->value_is_object ) {
$css .= $v->value;
continue;
}
if ( !property_exists( $v->value, 'value' ) || !is_string( $v->value->value ) ) {
$this->cacheable = false;
return;
}
$css .= $v->value->value;
}
$this->_oelements_len = preg_match_all( '/[,&#\.\w-](?:[\w-]|(?:\\\\.))*/', $css, $matches );
if ( $this->_oelements_len ) {
$this->_oelements = $matches[0];
if ( $this->_oelements[0] === '&' ) {
array_shift( $this->_oelements );
$this->_oelements_len--;
}
$this->_oelements_assoc = array_fill_keys( $this->_oelements, true );
}
}
public function isJustParentSelector() {
return !$this->mediaEmpty &&
count( $this->elements ) === 1 &&
$this->elements[0]->value === '&' &&
( $this->elements[0]->combinator === ' ' || $this->elements[0]->combinator === '' );
}
public function compile( $env ) {
$elements = array();
foreach ( $this->elements as $el ) {
$elements[] = $el->compile( $env );
}
$extendList = array();
foreach ( $this->extendList as $el ) {
$extendList[] = $el->compile( $el );
}
$evaldCondition = false;
if ( $this->condition ) {
$evaldCondition = $this->condition->compile( $env );
}
return $this->createDerived( $elements, $extendList, $evaldCondition );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output, $firstSelector = true ) {
if ( !$firstSelector && $this->elements[0]->combinator === "" ) {
$output->add( ' ', $this->currentFileInfo, $this->index );
}
foreach ( $this->elements as $element ) {
$element->genCSS( $output );
}
}
public function markReferenced() {
$this->isReferenced = true;
}
public function getIsReferenced() {
return !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] || $this->isReferenced;
}
public function getIsOutput() {
return $this->evaldCondition;
}
}

28
less.php/lib/Less/Tree/UnicodeDescriptor.php
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@ -1,28 +0,0 @@
<?php
/**
* UnicodeDescriptor
*
* @package Less
* @subpackage tree
*/
class Less_Tree_UnicodeDescriptor extends Less_Tree {
public $value;
public $type = 'UnicodeDescriptor';
public function __construct( $value ) {
$this->value = $value;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( $this->value );
}
public function compile() {
return $this;
}
}

142
less.php/lib/Less/Tree/Unit.php
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@ -1,142 +0,0 @@
<?php
/**
* Unit
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Unit extends Less_Tree {
var $numerator = array();
var $denominator = array();
public $backupUnit;
public $type = 'Unit';
public function __construct( $numerator = array(), $denominator = array(), $backupUnit = null ) {
$this->numerator = $numerator;
$this->denominator = $denominator;
$this->backupUnit = $backupUnit;
}
public function __clone() {
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( $this->numerator ) {
$output->add( $this->numerator[0] );
} elseif ( $this->denominator ) {
$output->add( $this->denominator[0] );
} elseif ( !Less_Parser::$options['strictUnits'] && $this->backupUnit ) {
$output->add( $this->backupUnit );
return;
}
}
public function toString() {
$returnStr = implode( '*', $this->numerator );
foreach ( $this->denominator as $d ) {
$returnStr .= '/'.$d;
}
return $returnStr;
}
public function __toString() {
return $this->toString();
}
/**
* @param Less_Tree_Unit $other
*/
public function compare( $other ) {
return $this->is( $other->toString() ) ? 0 : -1;
}
public function is( $unitString ) {
return $this->toString() === $unitString;
}
public function isLength() {
$css = $this->toCSS();
return !!preg_match( '/px|em|%|in|cm|mm|pc|pt|ex/', $css );
}
public function isAngle() {
return isset( Less_Tree_UnitConversions::$angle[$this->toCSS()] );
}
public function isEmpty() {
return !$this->numerator && !$this->denominator;
}
public function isSingular() {
return count( $this->numerator ) <= 1 && !$this->denominator;
}
public function usedUnits() {
$result = array();
foreach ( Less_Tree_UnitConversions::$groups as $groupName ) {
$group = Less_Tree_UnitConversions::${$groupName};
foreach ( $this->numerator as $atomicUnit ) {
if ( isset( $group[$atomicUnit] ) && !isset( $result[$groupName] ) ) {
$result[$groupName] = $atomicUnit;
}
}
foreach ( $this->denominator as $atomicUnit ) {
if ( isset( $group[$atomicUnit] ) && !isset( $result[$groupName] ) ) {
$result[$groupName] = $atomicUnit;
}
}
}
return $result;
}
public function cancel() {
$counter = array();
$backup = null;
foreach ( $this->numerator as $atomicUnit ) {
if ( !$backup ) {
$backup = $atomicUnit;
}
$counter[$atomicUnit] = ( isset( $counter[$atomicUnit] ) ? $counter[$atomicUnit] : 0 ) + 1;
}
foreach ( $this->denominator as $atomicUnit ) {
if ( !$backup ) {
$backup = $atomicUnit;
}
$counter[$atomicUnit] = ( isset( $counter[$atomicUnit] ) ? $counter[$atomicUnit] : 0 ) - 1;
}
$this->numerator = array();
$this->denominator = array();
foreach ( $counter as $atomicUnit => $count ) {
if ( $count > 0 ) {
for ( $i = 0; $i < $count; $i++ ) {
$this->numerator[] = $atomicUnit;
}
} elseif ( $count < 0 ) {
for ( $i = 0; $i < -$count; $i++ ) {
$this->denominator[] = $atomicUnit;
}
}
}
if ( !$this->numerator && !$this->denominator && $backup ) {
$this->backupUnit = $backup;
}
sort( $this->numerator );
sort( $this->denominator );
}
}

35
less.php/lib/Less/Tree/UnitConversions.php
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@ -1,35 +0,0 @@
<?php
/**
* UnitConversions
*
* @package Less
* @subpackage tree
*/
class Less_Tree_UnitConversions {
public static $groups = array( 'length','duration','angle' );
public static $length = array(
'm' => 1,
'cm' => 0.01,
'mm' => 0.001,
'in' => 0.0254,
'px' => 0.000264583, // 0.0254 / 96,
'pt' => 0.000352778, // 0.0254 / 72,
'pc' => 0.004233333, // 0.0254 / 72 * 12
);
public static $duration = array(
's' => 1,
'ms' => 0.001
);
public static $angle = array(
'rad' => 0.1591549430919, // 1/(2*M_PI),
'deg' => 0.002777778, // 1/360,
'grad' => 0.0025, // 1/400,
'turn' => 1
);
}

76
less.php/lib/Less/Tree/Url.php
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@ -1,76 +0,0 @@
<?php
/**
* Url
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Url extends Less_Tree {
public $attrs;
public $value;
public $currentFileInfo;
public $isEvald;
public $type = 'Url';
public function __construct( $value, $currentFileInfo = null, $isEvald = null ) {
$this->value = $value;
$this->currentFileInfo = $currentFileInfo;
$this->isEvald = $isEvald;
}
public function accept( $visitor ) {
$this->value = $visitor->visitObj( $this->value );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$output->add( 'url(' );
$this->value->genCSS( $output );
$output->add( ')' );
}
/**
* @param Less_Functions $ctx
*/
public function compile( $ctx ) {
$val = $this->value->compile( $ctx );
if ( !$this->isEvald ) {
// Add the base path if the URL is relative
if ( Less_Parser::$options['relativeUrls']
&& $this->currentFileInfo
&& is_string( $val->value )
&& Less_Environment::isPathRelative( $val->value )
) {
$rootpath = $this->currentFileInfo['uri_root'];
if ( !$val->quote ) {
$rootpath = preg_replace( '/[\(\)\'"\s]/', '\\$1', $rootpath );
}
$val->value = $rootpath . $val->value;
}
$val->value = Less_Environment::normalizePath( $val->value );
}
// Add cache buster if enabled
if ( Less_Parser::$options['urlArgs'] ) {
if ( !preg_match( '/^\s*data:/', $val->value ) ) {
$delimiter = strpos( $val->value, '?' ) === false ? '?' : '&';
$urlArgs = $delimiter . Less_Parser::$options['urlArgs'];
$hash_pos = strpos( $val->value, '#' );
if ( $hash_pos !== false ) {
$val->value = substr_replace( $val->value, $urlArgs, $hash_pos, 0 );
} else {
$val->value .= $urlArgs;
}
}
}
return new Less_Tree_URL( $val, $this->currentFileInfo, true );
}
}

47
less.php/lib/Less/Tree/Value.php
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@ -1,47 +0,0 @@
<?php
/**
* Value
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Value extends Less_Tree {
public $type = 'Value';
public $value;
public function __construct( $value ) {
$this->value = $value;
}
public function accept( $visitor ) {
$this->value = $visitor->visitArray( $this->value );
}
public function compile( $env ) {
$ret = array();
$i = 0;
foreach ( $this->value as $i => $v ) {
$ret[] = $v->compile( $env );
}
if ( $i > 0 ) {
return new Less_Tree_Value( $ret );
}
return $ret[0];
}
/**
* @see Less_Tree::genCSS
*/
function genCSS( $output ) {
$len = count( $this->value );
for ( $i = 0; $i < $len; $i++ ) {
$this->value[$i]->genCSS( $output );
if ( $i + 1 < $len ) {
$output->add( Less_Environment::$_outputMap[','] );
}
}
}
}

51
less.php/lib/Less/Tree/Variable.php
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@ -1,51 +0,0 @@
<?php
/**
* Variable
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Variable extends Less_Tree {
public $name;
public $index;
public $currentFileInfo;
public $evaluating = false;
public $type = 'Variable';
/**
* @param string $name
*/
public function __construct( $name, $index = null, $currentFileInfo = null ) {
$this->name = $name;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
public function compile( $env ) {
if ( $this->name[1] === '@' ) {
$v = new Less_Tree_Variable( substr( $this->name, 1 ), $this->index + 1, $this->currentFileInfo );
$name = '@' . $v->compile( $env )->value;
} else {
$name = $this->name;
}
if ( $this->evaluating ) {
throw new Less_Exception_Compiler( "Recursive variable definition for " . $name, null, $this->index, $this->currentFileInfo );
}
$this->evaluating = true;
foreach ( $env->frames as $frame ) {
if ( $v = $frame->variable( $name ) ) {
$r = $v->value->compile( $env );
$this->evaluating = false;
return $r;
}
}
throw new Less_Exception_Compiler( "variable " . $name . " is undefined in file ".$this->currentFileInfo["filename"], null, $this->index, $this->currentFileInfo );
}
}

15
less.php/lib/Less/Version.php
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@ -1,15 +0,0 @@
<?php
/**
* Release numbers
*
* @package Less
* @subpackage version
*/
class Less_Version {
public const version = '3.1.0'; // The current build number of less.php
public const less_version = '2.5.3'; // The less.js version that this build should be compatible with
public const cache_version = '253'; // The parser cache version
}

46
less.php/lib/Less/Visitor.php
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@ -1,46 +0,0 @@
<?php
/**
* Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_Visitor {
protected $methods = array();
protected $_visitFnCache = array();
public function __construct() {
$this->_visitFnCache = get_class_methods( get_class( $this ) );
$this->_visitFnCache = array_flip( $this->_visitFnCache );
}
public function visitObj( $node ) {
$funcName = 'visit'.$node->type;
if ( isset( $this->_visitFnCache[$funcName] ) ) {
$visitDeeper = true;
$this->$funcName( $node, $visitDeeper );
if ( $visitDeeper ) {
$node->accept( $this );
}
$funcName = $funcName . "Out";
if ( isset( $this->_visitFnCache[$funcName] ) ) {
$this->$funcName( $node );
}
} else {
$node->accept( $this );
}
return $node;
}
public function visitArray( $nodes ) {
array_map( array( $this,'visitObj' ), $nodes );
return $nodes;
}
}

109
less.php/lib/Less/Visitor/extendFinder.php
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@ -1,109 +0,0 @@
<?php
/**
* Extend Finder Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_Visitor_extendFinder extends Less_Visitor {
public $contexts = array();
public $allExtendsStack;
public $foundExtends;
public function __construct() {
$this->contexts = array();
$this->allExtendsStack = array( array() );
parent::__construct();
}
/**
* @param Less_Tree_Ruleset $root
*/
public function run( $root ) {
$root = $this->visitObj( $root );
$root->allExtends =& $this->allExtendsStack[0];
return $root;
}
public function visitRule( $ruleNode, &$visitDeeper ) {
$visitDeeper = false;
}
public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
$visitDeeper = false;
}
public function visitRuleset( $rulesetNode ) {
if ( $rulesetNode->root ) {
return;
}
$allSelectorsExtendList = array();
// get &:extend(.a); rules which apply to all selectors in this ruleset
if ( $rulesetNode->rules ) {
foreach ( $rulesetNode->rules as $rule ) {
if ( $rule instanceof Less_Tree_Extend ) {
$allSelectorsExtendList[] = $rule;
$rulesetNode->extendOnEveryPath = true;
}
}
}
// now find every selector and apply the extends that apply to all extends
// and the ones which apply to an individual extend
foreach ( $rulesetNode->paths as $selectorPath ) {
$selector = end( $selectorPath ); // $selectorPath[ count($selectorPath)-1];
$j = 0;
foreach ( $selector->extendList as $extend ) {
$this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j );
}
foreach ( $allSelectorsExtendList as $extend ) {
$this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j );
}
}
$this->contexts[] = $rulesetNode->selectors;
}
public function allExtendsStackPush( $rulesetNode, $selectorPath, $extend, &$j ) {
$this->foundExtends = true;
$extend = clone $extend;
$extend->findSelfSelectors( $selectorPath );
$extend->ruleset = $rulesetNode;
if ( $j === 0 ) {
$extend->firstExtendOnThisSelectorPath = true;
}
$end_key = count( $this->allExtendsStack ) - 1;
$this->allExtendsStack[$end_key][] = $extend;
$j++;
}
public function visitRulesetOut( $rulesetNode ) {
if ( !is_object( $rulesetNode ) || !$rulesetNode->root ) {
array_pop( $this->contexts );
}
}
public function visitMedia( $mediaNode ) {
$mediaNode->allExtends = array();
$this->allExtendsStack[] =& $mediaNode->allExtends;
}
public function visitMediaOut() {
array_pop( $this->allExtendsStack );
}
public function visitDirective( $directiveNode ) {
$directiveNode->allExtends = array();
$this->allExtendsStack[] =& $directiveNode->allExtends;
}
public function visitDirectiveOut() {
array_pop( $this->allExtendsStack );
}
}

137
less.php/lib/Less/Visitor/import.php
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@ -1,137 +0,0 @@
<?php
/*
class Less_Visitor_import extends Less_VisitorReplacing{
public $_visitor;
public $_importer;
public $importCount;
function __construct( $evalEnv ){
$this->env = $evalEnv;
$this->importCount = 0;
parent::__construct();
}
function run( $root ){
$root = $this->visitObj($root);
$this->isFinished = true;
//if( $this->importCount === 0) {
// $this->_finish();
//}
}
function visitImport($importNode, &$visitDeeper ){
$importVisitor = $this;
$inlineCSS = $importNode->options['inline'];
if( !$importNode->css || $inlineCSS ){
$evaldImportNode = $importNode->compileForImport($this->env);
if( $evaldImportNode && (!$evaldImportNode->css || $inlineCSS) ){
$importNode = $evaldImportNode;
$this->importCount++;
$env = clone $this->env;
if( (isset($importNode->options['multiple']) && $importNode->options['multiple']) ){
$env->importMultiple = true;
}
//get path & uri
$path_and_uri = null;
if( is_callable(Less_Parser::$options['import_callback']) ){
$path_and_uri = call_user_func(Less_Parser::$options['import_callback'],$importNode);
}
if( !$path_and_uri ){
$path_and_uri = $importNode->PathAndUri();
}
if( $path_and_uri ){
list($full_path, $uri) = $path_and_uri;
}else{
$full_path = $uri = $importNode->getPath();
}
//import once
if( $importNode->skip( $full_path, $env) ){
return array();
}
if( $importNode->options['inline'] ){
//todo needs to reference css file not import
//$contents = new Less_Tree_Anonymous($importNode->root, 0, array('filename'=>$importNode->importedFilename), true );
Less_Parser::AddParsedFile($full_path);
$contents = new Less_Tree_Anonymous( file_get_contents($full_path), 0, array(), true );
if( $importNode->features ){
return new Less_Tree_Media( array($contents), $importNode->features->value );
}
return array( $contents );
}
// css ?
if( $importNode->css ){
$features = ( $importNode->features ? $importNode->features->compile($env) : null );
return new Less_Tree_Import( $importNode->compilePath( $env), $features, $importNode->options, $this->index);
}
return $importNode->ParseImport( $full_path, $uri, $env );
}
}
$visitDeeper = false;
return $importNode;
}
function visitRule( $ruleNode, &$visitDeeper ){
$visitDeeper = false;
return $ruleNode;
}
function visitDirective($directiveNode, $visitArgs){
array_unshift($this->env->frames,$directiveNode);
return $directiveNode;
}
function visitDirectiveOut($directiveNode) {
array_shift($this->env->frames);
}
function visitMixinDefinition($mixinDefinitionNode, $visitArgs) {
array_unshift($this->env->frames,$mixinDefinitionNode);
return $mixinDefinitionNode;
}
function visitMixinDefinitionOut($mixinDefinitionNode) {
array_shift($this->env->frames);
}
function visitRuleset($rulesetNode, $visitArgs) {
array_unshift($this->env->frames,$rulesetNode);
return $rulesetNode;
}
function visitRulesetOut($rulesetNode) {
array_shift($this->env->frames);
}
function visitMedia($mediaNode, $visitArgs) {
array_unshift($this->env->frames, $mediaNode->ruleset);
return $mediaNode;
}
function visitMediaOut($mediaNode) {
array_shift($this->env->frames);
}
}
*/

68
less.php/lib/Less/Visitor/joinSelector.php
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@ -1,68 +0,0 @@
<?php
/**
* Join Selector Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_Visitor_joinSelector extends Less_Visitor {
public $contexts = array( array() );
/**
* @param Less_Tree_Ruleset $root
*/
public function run( $root ) {
return $this->visitObj( $root );
}
public function visitRule( $ruleNode, &$visitDeeper ) {
$visitDeeper = false;
}
public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
$visitDeeper = false;
}
public function visitRuleset( $rulesetNode ) {
$paths = array();
if ( !$rulesetNode->root ) {
$selectors = array();
if ( $rulesetNode->selectors && $rulesetNode->selectors ) {
foreach ( $rulesetNode->selectors as $selector ) {
if ( $selector->getIsOutput() ) {
$selectors[] = $selector;
}
}
}
if ( !$selectors ) {
$rulesetNode->selectors = null;
$rulesetNode->rules = null;
} else {
$context = end( $this->contexts ); // $context = $this->contexts[ count($this->contexts) - 1];
$paths = $rulesetNode->joinSelectors( $context, $selectors );
}
$rulesetNode->paths = $paths;
}
$this->contexts[] = $paths; // different from less.js. Placed after joinSelectors() so that $this->contexts will get correct $paths
}
public function visitRulesetOut() {
array_pop( $this->contexts );
}
public function visitMedia( $mediaNode ) {
$context = end( $this->contexts ); // $context = $this->contexts[ count($this->contexts) - 1];
if ( !count( $context ) || ( is_object( $context[0] ) && $context[0]->multiMedia ) ) {
$mediaNode->rules[0]->root = true;
}
}
}

441
less.php/lib/Less/Visitor/processExtends.php
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@ -1,441 +0,0 @@
<?php
/**
* Process Extends Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_Visitor_processExtends extends Less_Visitor {
public $allExtendsStack;
/**
* @param Less_Tree_Ruleset $root
*/
public function run( $root ) {
$extendFinder = new Less_Visitor_extendFinder();
$extendFinder->run( $root );
if ( !$extendFinder->foundExtends ) {
return $root;
}
$root->allExtends = $this->doExtendChaining( $root->allExtends, $root->allExtends );
$this->allExtendsStack = array();
$this->allExtendsStack[] = &$root->allExtends;
return $this->visitObj( $root );
}
private function doExtendChaining( $extendsList, $extendsListTarget, $iterationCount = 0 ) {
//
// chaining is different from normal extension.. if we extend an extend then we are not just copying, altering and pasting
// the selector we would do normally, but we are also adding an extend with the same target selector
// this means this new extend can then go and alter other extends
//
// this method deals with all the chaining work - without it, extend is flat and doesn't work on other extend selectors
// this is also the most expensive.. and a match on one selector can cause an extension of a selector we had already processed if
// we look at each selector at a time, as is done in visitRuleset
$extendsToAdd = array();
// loop through comparing every extend with every target extend.
// a target extend is the one on the ruleset we are looking at copy/edit/pasting in place
// e.g. .a:extend(.b) {} and .b:extend(.c) {} then the first extend extends the second one
// and the second is the target.
// the separation into two lists allows us to process a subset of chains with a bigger set, as is the
// case when processing media queries
for ( $extendIndex = 0, $extendsList_len = count( $extendsList ); $extendIndex < $extendsList_len; $extendIndex++ ) {
for ( $targetExtendIndex = 0; $targetExtendIndex < count( $extendsListTarget ); $targetExtendIndex++ ) {
$extend = $extendsList[$extendIndex];
$targetExtend = $extendsListTarget[$targetExtendIndex];
// Optimisation: Explicit reference, <https://github.com/wikimedia/less.php/pull/14>
if ( \array_key_exists( $targetExtend->object_id, $extend->parent_ids ) ) {
// ignore circular references
continue;
}
// find a match in the target extends self selector (the bit before :extend)
$selectorPath = array( $targetExtend->selfSelectors[0] );
$matches = $this->findMatch( $extend, $selectorPath );
if ( $matches ) {
// we found a match, so for each self selector..
foreach ( $extend->selfSelectors as $selfSelector ) {
// process the extend as usual
$newSelector = $this->extendSelector( $matches, $selectorPath, $selfSelector );
// but now we create a new extend from it
$newExtend = new Less_Tree_Extend( $targetExtend->selector, $targetExtend->option, 0 );
$newExtend->selfSelectors = $newSelector;
// add the extend onto the list of extends for that selector
end( $newSelector )->extendList = array( $newExtend );
// $newSelector[ count($newSelector)-1]->extendList = array($newExtend);
// record that we need to add it.
$extendsToAdd[] = $newExtend;
$newExtend->ruleset = $targetExtend->ruleset;
// remember its parents for circular references
$newExtend->parent_ids = array_merge( $newExtend->parent_ids, $targetExtend->parent_ids, $extend->parent_ids );
// only process the selector once.. if we have :extend(.a,.b) then multiple
// extends will look at the same selector path, so when extending
// we know that any others will be duplicates in terms of what is added to the css
if ( $targetExtend->firstExtendOnThisSelectorPath ) {
$newExtend->firstExtendOnThisSelectorPath = true;
$targetExtend->ruleset->paths[] = $newSelector;
}
}
}
}
}
if ( $extendsToAdd ) {
// try to detect circular references to stop a stack overflow.
// may no longer be needed. $this->extendChainCount++;
if ( $iterationCount > 100 ) {
try{
$selectorOne = $extendsToAdd[0]->selfSelectors[0]->toCSS();
$selectorTwo = $extendsToAdd[0]->selector->toCSS();
}catch ( Exception $e ) {
$selectorOne = "{unable to calculate}";
$selectorTwo = "{unable to calculate}";
}
throw new Less_Exception_Parser( "extend circular reference detected. One of the circular extends is currently:" . $selectorOne . ":extend(" . $selectorTwo . ")" );
}
// now process the new extends on the existing rules so that we can handle a extending b extending c ectending d extending e...
$extendsToAdd = $this->doExtendChaining( $extendsToAdd, $extendsListTarget, $iterationCount + 1 );
}
return array_merge( $extendsList, $extendsToAdd );
}
protected function visitRule( $ruleNode, &$visitDeeper ) {
$visitDeeper = false;
}
protected function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
$visitDeeper = false;
}
protected function visitSelector( $selectorNode, &$visitDeeper ) {
$visitDeeper = false;
}
protected function visitRuleset( $rulesetNode ) {
if ( $rulesetNode->root ) {
return;
}
$allExtends = end( $this->allExtendsStack );
$paths_len = count( $rulesetNode->paths );
// look at each selector path in the ruleset, find any extend matches and then copy, find and replace
foreach ( $allExtends as $allExtend ) {
for ( $pathIndex = 0; $pathIndex < $paths_len; $pathIndex++ ) {
// extending extends happens initially, before the main pass
if ( isset( $rulesetNode->extendOnEveryPath ) && $rulesetNode->extendOnEveryPath ) {
continue;
}
$selectorPath = $rulesetNode->paths[$pathIndex];
if ( end( $selectorPath )->extendList ) {
continue;
}
$this->ExtendMatch( $rulesetNode, $allExtend, $selectorPath );
}
}
}
private function ExtendMatch( $rulesetNode, $extend, $selectorPath ) {
$matches = $this->findMatch( $extend, $selectorPath );
if ( $matches ) {
foreach ( $extend->selfSelectors as $selfSelector ) {
$rulesetNode->paths[] = $this->extendSelector( $matches, $selectorPath, $selfSelector );
}
}
}
private function findMatch( $extend, $haystackSelectorPath ) {
if ( !$this->HasMatches( $extend, $haystackSelectorPath ) ) {
return false;
}
//
// look through the haystack selector path to try and find the needle - extend.selector
// returns an array of selector matches that can then be replaced
//
$needleElements = $extend->selector->elements;
$potentialMatches = array();
$potentialMatches_len = 0;
$potentialMatch = null;
$matches = array();
// loop through the haystack elements
$haystack_path_len = count( $haystackSelectorPath );
for ( $haystackSelectorIndex = 0; $haystackSelectorIndex < $haystack_path_len; $haystackSelectorIndex++ ) {
$hackstackSelector = $haystackSelectorPath[$haystackSelectorIndex];
$haystack_elements_len = count( $hackstackSelector->elements );
for ( $hackstackElementIndex = 0; $hackstackElementIndex < $haystack_elements_len; $hackstackElementIndex++ ) {
$haystackElement = $hackstackSelector->elements[$hackstackElementIndex];
// if we allow elements before our match we can add a potential match every time. otherwise only at the first element.
if ( $extend->allowBefore || ( $haystackSelectorIndex === 0 && $hackstackElementIndex === 0 ) ) {
$potentialMatches[] = array( 'pathIndex' => $haystackSelectorIndex, 'index' => $hackstackElementIndex, 'matched' => 0, 'initialCombinator' => $haystackElement->combinator );
$potentialMatches_len++;
}
for ( $i = 0; $i < $potentialMatches_len; $i++ ) {
$potentialMatch = &$potentialMatches[$i];
$potentialMatch = $this->PotentialMatch( $potentialMatch, $needleElements, $haystackElement, $hackstackElementIndex );
// if we are still valid and have finished, test whether we have elements after and whether these are allowed
if ( $potentialMatch && $potentialMatch['matched'] === $extend->selector->elements_len ) {
$potentialMatch['finished'] = true;
if ( !$extend->allowAfter && ( $hackstackElementIndex + 1 < $haystack_elements_len || $haystackSelectorIndex + 1 < $haystack_path_len ) ) {
$potentialMatch = null;
}
}
// if null we remove, if not, we are still valid, so either push as a valid match or continue
if ( $potentialMatch ) {
if ( $potentialMatch['finished'] ) {
$potentialMatch['length'] = $extend->selector->elements_len;
$potentialMatch['endPathIndex'] = $haystackSelectorIndex;
$potentialMatch['endPathElementIndex'] = $hackstackElementIndex + 1; // index after end of match
$potentialMatches = array(); // we don't allow matches to overlap, so start matching again
$potentialMatches_len = 0;
$matches[] = $potentialMatch;
}
continue;
}
array_splice( $potentialMatches, $i, 1 );
$potentialMatches_len--;
$i--;
}
}
}
return $matches;
}
// Before going through all the nested loops, lets check to see if a match is possible
// Reduces Bootstrap 3.1 compile time from ~6.5s to ~5.6s
private function HasMatches( $extend, $haystackSelectorPath ) {
if ( !$extend->selector->cacheable ) {
return true;
}
$first_el = $extend->selector->_oelements[0];
foreach ( $haystackSelectorPath as $hackstackSelector ) {
if ( !$hackstackSelector->cacheable ) {
return true;
}
// Optimisation: Explicit reference, <https://github.com/wikimedia/less.php/pull/14>
if ( \array_key_exists( $first_el, $hackstackSelector->_oelements_assoc ) ) {
return true;
}
}
return false;
}
/**
* @param integer $hackstackElementIndex
*/
private function PotentialMatch( $potentialMatch, $needleElements, $haystackElement, $hackstackElementIndex ) {
if ( $potentialMatch['matched'] > 0 ) {
// selectors add " " onto the first element. When we use & it joins the selectors together, but if we don't
// then each selector in haystackSelectorPath has a space before it added in the toCSS phase. so we need to work out
// what the resulting combinator will be
$targetCombinator = $haystackElement->combinator;
if ( $targetCombinator === '' && $hackstackElementIndex === 0 ) {
$targetCombinator = ' ';
}
if ( $needleElements[ $potentialMatch['matched'] ]->combinator !== $targetCombinator ) {
return null;
}
}
// if we don't match, null our match to indicate failure
if ( !$this->isElementValuesEqual( $needleElements[$potentialMatch['matched'] ]->value, $haystackElement->value ) ) {
return null;
}
$potentialMatch['finished'] = false;
$potentialMatch['matched']++;
return $potentialMatch;
}
private function isElementValuesEqual( $elementValue1, $elementValue2 ) {
if ( $elementValue1 === $elementValue2 ) {
return true;
}
if ( is_string( $elementValue1 ) || is_string( $elementValue2 ) ) {
return false;
}
if ( $elementValue1 instanceof Less_Tree_Attribute ) {
return $this->isAttributeValuesEqual( $elementValue1, $elementValue2 );
}
$elementValue1 = $elementValue1->value;
if ( $elementValue1 instanceof Less_Tree_Selector ) {
return $this->isSelectorValuesEqual( $elementValue1, $elementValue2 );
}
return false;
}
/**
* @param Less_Tree_Selector $elementValue1
*/
private function isSelectorValuesEqual( $elementValue1, $elementValue2 ) {
$elementValue2 = $elementValue2->value;
if ( !( $elementValue2 instanceof Less_Tree_Selector ) || $elementValue1->elements_len !== $elementValue2->elements_len ) {
return false;
}
for ( $i = 0; $i < $elementValue1->elements_len; $i++ ) {
if ( $elementValue1->elements[$i]->combinator !== $elementValue2->elements[$i]->combinator ) {
if ( $i !== 0 || ( $elementValue1->elements[$i]->combinator || ' ' ) !== ( $elementValue2->elements[$i]->combinator || ' ' ) ) {
return false;
}
}
if ( !$this->isElementValuesEqual( $elementValue1->elements[$i]->value, $elementValue2->elements[$i]->value ) ) {
return false;
}
}
return true;
}
/**
* @param Less_Tree_Attribute $elementValue1
*/
private function isAttributeValuesEqual( $elementValue1, $elementValue2 ) {
if ( $elementValue1->op !== $elementValue2->op || $elementValue1->key !== $elementValue2->key ) {
return false;
}
if ( !$elementValue1->value || !$elementValue2->value ) {
if ( $elementValue1->value || $elementValue2->value ) {
return false;
}
return true;
}
$elementValue1 = ( $elementValue1->value->value ? $elementValue1->value->value : $elementValue1->value );
$elementValue2 = ( $elementValue2->value->value ? $elementValue2->value->value : $elementValue2->value );
return $elementValue1 === $elementValue2;
}
private function extendSelector( $matches, $selectorPath, $replacementSelector ) {
// for a set of matches, replace each match with the replacement selector
$currentSelectorPathIndex = 0;
$currentSelectorPathElementIndex = 0;
$path = array();
$selectorPath_len = count( $selectorPath );
for ( $matchIndex = 0, $matches_len = count( $matches ); $matchIndex < $matches_len; $matchIndex++ ) {
$match = $matches[$matchIndex];
$selector = $selectorPath[ $match['pathIndex'] ];
$firstElement = new Less_Tree_Element(
$match['initialCombinator'],
$replacementSelector->elements[0]->value,
$replacementSelector->elements[0]->index,
$replacementSelector->elements[0]->currentFileInfo
);
if ( $match['pathIndex'] > $currentSelectorPathIndex && $currentSelectorPathElementIndex > 0 ) {
$last_path = end( $path );
$last_path->elements = array_merge( $last_path->elements, array_slice( $selectorPath[$currentSelectorPathIndex]->elements, $currentSelectorPathElementIndex ) );
$currentSelectorPathElementIndex = 0;
$currentSelectorPathIndex++;
}
$newElements = array_merge(
array_slice( $selector->elements, $currentSelectorPathElementIndex, ( $match['index'] - $currentSelectorPathElementIndex ) ), // last parameter of array_slice is different than the last parameter of javascript's slice
array( $firstElement ),
array_slice( $replacementSelector->elements, 1 )
);
if ( $currentSelectorPathIndex === $match['pathIndex'] && $matchIndex > 0 ) {
$last_key = count( $path ) - 1;
$path[$last_key]->elements = array_merge( $path[$last_key]->elements, $newElements );
} else {
$path = array_merge( $path, array_slice( $selectorPath, $currentSelectorPathIndex, $match['pathIndex'] ) );
$path[] = new Less_Tree_Selector( $newElements );
}
$currentSelectorPathIndex = $match['endPathIndex'];
$currentSelectorPathElementIndex = $match['endPathElementIndex'];
if ( $currentSelectorPathElementIndex >= count( $selectorPath[$currentSelectorPathIndex]->elements ) ) {
$currentSelectorPathElementIndex = 0;
$currentSelectorPathIndex++;
}
}
if ( $currentSelectorPathIndex < $selectorPath_len && $currentSelectorPathElementIndex > 0 ) {
$last_path = end( $path );
$last_path->elements = array_merge( $last_path->elements, array_slice( $selectorPath[$currentSelectorPathIndex]->elements, $currentSelectorPathElementIndex ) );
$currentSelectorPathIndex++;
}
$slice_len = $selectorPath_len - $currentSelectorPathIndex;
$path = array_merge( $path, array_slice( $selectorPath, $currentSelectorPathIndex, $slice_len ) );
return $path;
}
protected function visitMedia( $mediaNode ) {
$newAllExtends = array_merge( $mediaNode->allExtends, end( $this->allExtendsStack ) );
$this->allExtendsStack[] = $this->doExtendChaining( $newAllExtends, $mediaNode->allExtends );
}
protected function visitMediaOut() {
array_pop( $this->allExtendsStack );
}
protected function visitDirective( $directiveNode ) {
$newAllExtends = array_merge( $directiveNode->allExtends, end( $this->allExtendsStack ) );
$this->allExtendsStack[] = $this->doExtendChaining( $newAllExtends, $directiveNode->allExtends );
}
protected function visitDirectiveOut() {
array_pop( $this->allExtendsStack );
}
}

280
less.php/lib/Less/Visitor/toCSS.php
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@ -1,280 +0,0 @@
<?php
/**
* toCSS Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_Visitor_toCSS extends Less_VisitorReplacing {
private $charset;
public function __construct() {
parent::__construct();
}
/**
* @param Less_Tree_Ruleset $root
*/
public function run( $root ) {
return $this->visitObj( $root );
}
public function visitRule( $ruleNode ) {
if ( $ruleNode->variable ) {
return array();
}
return $ruleNode;
}
public function visitMixinDefinition( $mixinNode ) {
// mixin definitions do not get eval'd - this means they keep state
// so we have to clear that state here so it isn't used if toCSS is called twice
$mixinNode->frames = array();
return array();
}
public function visitExtend() {
return array();
}
public function visitComment( $commentNode ) {
if ( $commentNode->isSilent() ) {
return array();
}
return $commentNode;
}
public function visitMedia( $mediaNode, &$visitDeeper ) {
$mediaNode->accept( $this );
$visitDeeper = false;
if ( !$mediaNode->rules ) {
return array();
}
return $mediaNode;
}
public function visitDirective( $directiveNode ) {
if ( isset( $directiveNode->currentFileInfo['reference'] ) && ( !property_exists( $directiveNode, 'isReferenced' ) || !$directiveNode->isReferenced ) ) {
return array();
}
if ( $directiveNode->name === '@charset' ) {
// Only output the debug info together with subsequent @charset definitions
// a comment (or @media statement) before the actual @charset directive would
// be considered illegal css as it has to be on the first line
if ( isset( $this->charset ) && $this->charset ) {
// if( $directiveNode->debugInfo ){
// $comment = new Less_Tree_Comment('/* ' . str_replace("\n",'',$directiveNode->toCSS())." */\n");
// $comment->debugInfo = $directiveNode->debugInfo;
// return $this->visit($comment);
//}
return array();
}
$this->charset = true;
}
return $directiveNode;
}
public function checkPropertiesInRoot( $rulesetNode ) {
if ( !$rulesetNode->firstRoot ) {
return;
}
foreach ( $rulesetNode->rules as $ruleNode ) {
if ( $ruleNode instanceof Less_Tree_Rule && !$ruleNode->variable ) {
$msg = "properties must be inside selector blocks, they cannot be in the root. Index ".$ruleNode->index.( $ruleNode->currentFileInfo ? ( ' Filename: '.$ruleNode->currentFileInfo['filename'] ) : null );
throw new Less_Exception_Compiler( $msg );
}
}
}
public function visitRuleset( $rulesetNode, &$visitDeeper ) {
$visitDeeper = false;
$this->checkPropertiesInRoot( $rulesetNode );
if ( $rulesetNode->root ) {
return $this->visitRulesetRoot( $rulesetNode );
}
$rulesets = array();
$rulesetNode->paths = $this->visitRulesetPaths( $rulesetNode );
// Compile rules and rulesets
$nodeRuleCnt = $rulesetNode->rules ? count( $rulesetNode->rules ) : 0;
for ( $i = 0; $i < $nodeRuleCnt; ) {
$rule = $rulesetNode->rules[$i];
if ( property_exists( $rule, 'rules' ) ) {
// visit because we are moving them out from being a child
$rulesets[] = $this->visitObj( $rule );
array_splice( $rulesetNode->rules, $i, 1 );
$nodeRuleCnt--;
continue;
}
$i++;
}
// accept the visitor to remove rules and refactor itself
// then we can decide now whether we want it or not
if ( $nodeRuleCnt > 0 ) {
$rulesetNode->accept( $this );
if ( $rulesetNode->rules ) {
if ( count( $rulesetNode->rules ) > 1 ) {
$this->_mergeRules( $rulesetNode->rules );
$this->_removeDuplicateRules( $rulesetNode->rules );
}
// now decide whether we keep the ruleset
if ( $rulesetNode->paths ) {
// array_unshift($rulesets, $rulesetNode);
array_splice( $rulesets, 0, 0, array( $rulesetNode ) );
}
}
}
if ( count( $rulesets ) === 1 ) {
return $rulesets[0];
}
return $rulesets;
}
/**
* Helper function for visitiRuleset
*
* return array|Less_Tree_Ruleset
*/
private function visitRulesetRoot( $rulesetNode ) {
$rulesetNode->accept( $this );
if ( $rulesetNode->firstRoot || $rulesetNode->rules ) {
return $rulesetNode;
}
return array();
}
/**
* Helper function for visitRuleset()
*
* @return array
*/
private function visitRulesetPaths( $rulesetNode ) {
$paths = array();
foreach ( $rulesetNode->paths as $p ) {
if ( $p[0]->elements[0]->combinator === ' ' ) {
$p[0]->elements[0]->combinator = '';
}
foreach ( $p as $pi ) {
if ( $pi->getIsReferenced() && $pi->getIsOutput() ) {
$paths[] = $p;
break;
}
}
}
return $paths;
}
protected function _removeDuplicateRules( &$rules ) {
// remove duplicates
$ruleCache = array();
for ( $i = count( $rules ) - 1; $i >= 0; $i-- ) {
$rule = $rules[$i];
if ( $rule instanceof Less_Tree_Rule || $rule instanceof Less_Tree_NameValue ) {
if ( !isset( $ruleCache[$rule->name] ) ) {
$ruleCache[$rule->name] = $rule;
} else {
$ruleList =& $ruleCache[$rule->name];
if ( $ruleList instanceof Less_Tree_Rule || $ruleList instanceof Less_Tree_NameValue ) {
$ruleList = $ruleCache[$rule->name] = array( $ruleCache[$rule->name]->toCSS() );
}
$ruleCSS = $rule->toCSS();
if ( array_search( $ruleCSS, $ruleList ) !== false ) {
array_splice( $rules, $i, 1 );
} else {
$ruleList[] = $ruleCSS;
}
}
}
}
}
protected function _mergeRules( &$rules ) {
$groups = array();
// obj($rules);
$rules_len = count( $rules );
for ( $i = 0; $i < $rules_len; $i++ ) {
$rule = $rules[$i];
if ( ( $rule instanceof Less_Tree_Rule ) && $rule->merge ) {
$key = $rule->name;
if ( $rule->important ) {
$key .= ',!';
}
if ( !isset( $groups[$key] ) ) {
$groups[$key] = array();
} else {
array_splice( $rules, $i--, 1 );
$rules_len--;
}
$groups[$key][] = $rule;
}
}
foreach ( $groups as $parts ) {
if ( count( $parts ) > 1 ) {
$rule = $parts[0];
$spacedGroups = array();
$lastSpacedGroup = array();
$parts_mapped = array();
foreach ( $parts as $p ) {
if ( $p->merge === '+' ) {
if ( $lastSpacedGroup ) {
$spacedGroups[] = self::toExpression( $lastSpacedGroup );
}
$lastSpacedGroup = array();
}
$lastSpacedGroup[] = $p;
}
$spacedGroups[] = self::toExpression( $lastSpacedGroup );
$rule->value = self::toValue( $spacedGroups );
}
}
}
public static function toExpression( $values ) {
$mapped = array();
foreach ( $values as $p ) {
$mapped[] = $p->value;
}
return new Less_Tree_Expression( $mapped );
}
public static function toValue( $values ) {
// return new Less_Tree_Value($values); ??
$mapped = array();
foreach ( $values as $p ) {
$mapped[] = $p;
}
return new Less_Tree_Value( $mapped );
}
}

70
less.php/lib/Less/VisitorReplacing.php
View file

@ -1,70 +0,0 @@
<?php
/**
* Replacing Visitor
*
* @package Less
* @subpackage visitor
*/
class Less_VisitorReplacing extends Less_Visitor {
public function visitObj( $node ) {
$funcName = 'visit'.$node->type;
if ( isset( $this->_visitFnCache[$funcName] ) ) {
$visitDeeper = true;
$node = $this->$funcName( $node, $visitDeeper );
if ( $node ) {
if ( $visitDeeper && is_object( $node ) ) {
$node->accept( $this );
}
$funcName = $funcName . "Out";
if ( isset( $this->_visitFnCache[$funcName] ) ) {
$this->$funcName( $node );
}
}
} else {
$node->accept( $this );
}
return $node;
}
public function visitArray( $nodes ) {
$newNodes = array();
foreach ( $nodes as $node ) {
$evald = $this->visitObj( $node );
if ( $evald ) {
if ( is_array( $evald ) ) {
self::flatten( $evald, $newNodes );
} else {
$newNodes[] = $evald;
}
}
}
return $newNodes;
}
public function flatten( $arr, &$out ) {
foreach ( $arr as $item ) {
if ( !is_array( $item ) ) {
$out[] = $item;
continue;
}
foreach ( $item as $nestedItem ) {
if ( is_array( $nestedItem ) ) {
self::flatten( $nestedItem, $out );
} else {
$out[] = $nestedItem;
}
}
}
return $out;
}
}

48
mkht.php
View file

@ -32,45 +32,21 @@ if (file_exists(SITE . '/config.ini'))
$config = parse_ini_file(SITE . '/config.ini'); $config = parse_ini_file(SITE . '/config.ini');
$config['title'] ??= ''; $config['title'] ??= '';
$config['css'] ??= 1;
$config['header'] ??= false; $config['header'] ??= false;
$config['author'] ??= NULL; $config['author'] ??= NULL;
$config['base-url'] ??= []; $config['base-url'] ??= [];
$config['center-index'] ??= false; $config['center-index'] ??= false;
$config['default-lang'] ??= NULL; $config['default-lang'] ??= NULL;
$config['announce-css'] ??= false;
$config['announce-feed'] ??= false;
if (!isset($config['id'])) { if (!isset($config['id'])) {
$config['id'] = bin2hex(random_bytes(32)); $config['id'] = bin2hex(random_bytes(32));
file_put_contents(SITE . '/config.ini', 'id = "' . $config['id'] . '"' . LF, FILE_APPEND); file_put_contents(SITE . '/config.ini', 'id = "' . $config['id'] . '"' . LF, FILE_APPEND);
} }
// Less > CSS if ($config['announce-css'])
if ($config['css'] == true) { copy(ROOT . '/style.css', SITE . '/mkht-php.css');
// Create CSS output directory if needed
if (!file_exists(SITE . '/css'))
mkdir(SITE . '/css', 0755);
require ROOT . '/less.php/lib/Less/Autoloader.php';
Less_Autoloader::register();
$colorScheme = [
'darkColor' => 'black',
'lightColor' => 'white',
'mainColor' => 'red',
];
$options = [
'cache_dir' => SITE . '/css',
'compress' => true,
];
if (file_exists(SITE . '/style.less'))
$lessFiles = [ROOT . '/style.less' => '', SITE . '/style.less' => ''];
else
$lessFiles = [ROOT . '/style.less' => ''];
define('CSS_FILENAME', Less_Cache::Get($lessFiles, $options, $colorScheme));
}
// Determine whether links need to use Onion or DNS // Determine whether links need to use Onion or DNS
function clearnetOrOnion($clearnet_url, $onion_url) { function clearnetOrOnion($clearnet_url, $onion_url) {
@ -148,10 +124,7 @@ foreach ($files_dates as $src_page => $last_mod) {
$gmilines[$key] = '[' . ($lnTitle[1] ?? $lnUrl[1]) . '](' . $lnUrl[1] . ')'; $gmilines[$key] = '[' . ($lnTitle[1] ?? $lnUrl[1]) . '](' . $lnUrl[1] . ')';
} }
} }
$code = ''; file_put_contents($base_filepath . '.md', implode(LF, $gmilines));
foreach ($gmilines as $line)
$code .= LF . $line;
file_put_contents($base_filepath . '.md', $code);
} }
// Compile Markdown to HTML // Compile Markdown to HTML
@ -211,8 +184,12 @@ foreach ($files_dates as $src_page => $last_mod) {
if ($config['announce-feed']) if ($config['announce-feed'])
echo '<link rel="alternate" type="application/atom+xml" href="' . $relativePathToRoot . 'feed.atom">' . LF; echo '<link rel="alternate" type="application/atom+xml" href="' . $relativePathToRoot . 'feed.atom">' . LF;
if ($config['announce-css']) if ($config['announce-css']) {
echo '<link rel="stylesheet" media="screen" href="' . $relativePathToRoot . 'css/' . CSS_FILENAME . '">' . LF; if (file_exists(SITE . '/style.css'))
echo '<link rel="stylesheet" media="screen" href="' . $relativePathToRoot . 'style.css">' . LF;
echo '<link rel="stylesheet" media="screen" href="' . $relativePathToRoot . 'mkht-php.css">' . LF;
}
if (file_exists(SITE . '/head.inc.html')) if (file_exists(SITE . '/head.inc.html'))
echo file_get_contents(SITE . '/head.inc.html'); echo file_get_contents(SITE . '/head.inc.html');
@ -296,6 +273,3 @@ foreach ($files_dates as $src_page => $last_mod) {
} }
} }
file_put_contents(SITE . '/feed.atom', $feed . '</feed>' . LF); file_put_contents(SITE . '/feed.atom', $feed . '</feed>' . LF);
if ($config['css'] == true)
exec('gzip --keep --fast --force ' . SITE . '/css/' . CSS_FILENAME);

138
style.less → style.css Executable file → Normal file
View file

@ -1,29 +1,37 @@
@light: ~"(prefers-color-scheme: light)"; @light: ~"(prefers-color-scheme: light)";
@dark: ~"(prefers-color-scheme: dark)"; @dark: ~"(prefers-color-scheme: dark)";
@smallWidthScreen: ~"(max-width: 420px)";
:root {
--dark-color: #141312;
--light-color: #FFFFFF;
}
@media (prefers-color-scheme: dark) {
:root {
--foreground-color: var(--light-color);
--background-color: var(--dark-color);
--main-color: #FF1E00;
}
}
@media (prefers-color-scheme: light) {
:root {
--foreground-color: var(--dark-color);
--background-color: var(--light-color);
--main-color: #FF0000;
}
}
::selection { ::selection {
@media @light { color: var(--background-color);
color: @lightColor; background-color: var(--foreground-color);
background-color: @darkColor;
}
@media @dark {
color: @darkColor;
background-color: @lightColor;
}
} }
* { * {
padding: 0px; padding: 0px;
margin: 0px; margin: 0px;
@media @light { scrollbar-color: var(--foreground-color) var(--background-color);
scrollbar-color: @darkColor @lightColor;
}
@media @dark {
scrollbar-color: @lightColor @darkColor;
}
} }
body { body {
@ -32,17 +40,11 @@ body {
line-height: 42px; line-height: 42px;
margin: 20px; margin: 20px;
@media @light { background-color: var(--background-color);
background-color: @lightColor; color: var(--foreground-color);
color: @darkColor; }
} @media (max-width: 420px) {
body {
@media @dark {
background-color: @darkColor;
color: @lightColor;
}
@media @smallWidthScreen {
font-size: 26px; font-size: 26px;
line-height: 38px; line-height: 38px;
} }
@ -51,13 +53,15 @@ body {
main { main {
margin-left: 20%; margin-left: 20%;
margin-right: 20%; margin-right: 20%;
}
@media (max-width: 1400px) { @media (max-width: 1400px) {
main {
margin-left: 10%; margin-left: 10%;
margin-right: 10%; margin-right: 10%;
} }
}
@media (max-width: 800px) { @media (max-width: 800px) {
main {
margin-left: 0px; margin-left: 0px;
margin-right: 0px; margin-right: 0px;
padding-left: 0px; padding-left: 0px;
@ -70,24 +74,16 @@ a, a:visited {
transition-property: color, border-color; transition-property: color, border-color;
transition-duration: 0.05s; transition-duration: 0.05s;
transition-timing-function: linear; transition-timing-function: linear;
background-color: var(--background-color);
@media @light { color: var(--foreground-color);
background-color: @lightColor;
color: @darkColor;
}
@media @dark {
background-color: @darkColor;
color: @lightColor;
}
&:hover, &:focus {
text-decoration: none;
color: @mainColor;
}
} }
.button { a:hover, a:visited:hover, a:focus, a:focus:visited {
text-decoration: none;
color: var(--main-color);
}
.small-button, .button {
border-width: 2px; border-width: 2px;
border-style: solid; border-style: solid;
padding: 8px 16px 8px 16px; padding: 8px 16px 8px 16px;
@ -95,23 +91,15 @@ a, a:visited {
display: inline-block; display: inline-block;
border-radius: 14px; border-radius: 14px;
text-decoration: none; text-decoration: none;
border-color: var(--foreground-color);
@media @light {
border-color: @darkColor;
}
@media @dark {
border-color: @lightColor;
}
&:hover, &:focus {
color: @mainColor;
border: 2px solid @mainColor;
}
} }
.smallButton { .small-button:hover, .button:hover, .small-button:focus, .button:focus {
.button(); color: var(--main-color);
border: 2px solid var(--main-color);
}
.small-button {
font-size: 80%; font-size: 80%;
padding: 0px 16px 0px 16px; padding: 0px 16px 0px 16px;
} }
@ -132,14 +120,7 @@ img {
border-width: 1px; border-width: 1px;
border-style: solid; border-style: solid;
border-radius: 5px; border-radius: 5px;
border-color: var(--foreground-color);
@media @light {
border-color: @darkColor;
}
@media @dark {
border-color: @lightColor;
}
} }
strong { strong {
@ -190,7 +171,7 @@ footer {
flex-direction: column; flex-direction: column;
} }
// ----- TITLES ----- /* ----- TITLES ----- */
h1, h2, h3, h4, h5, h6 { h1, h2, h3, h4, h5, h6 {
font-weight: normal; font-weight: normal;
@ -202,8 +183,9 @@ h1 {
text-align: center; text-align: center;
padding-top: 15px; padding-top: 15px;
margin-bottom: 20px; margin-bottom: 20px;
}
@media @smallWidthScreen { @media (max-width: 420px) {
h1 {
font-size: 45px; font-size: 45px;
} }
} }
@ -212,8 +194,9 @@ h2 {
font-size: 60px; font-size: 60px;
margin-top: 30px; margin-top: 30px;
margin-bottom: 15px; margin-bottom: 15px;
}
@media @smallWidthScreen { @media (max-width: 420px) {
h2 {
font-size: 40px; font-size: 40px;
} }
} }
@ -222,8 +205,9 @@ h3 {
font-size: 42px; font-size: 42px;
margin-top: 30px; margin-top: 30px;
margin-bottom: 15px; margin-bottom: 15px;
}
@media @smallWidthScreen { @media (max-width: 420px) {
h3 {
font-size: 35px; font-size: 35px;
} }
} }