Introduce PageDao interface. Move file scanning logic to FilePageDao.
This commit is contained in:
kpavlov
parent
09ed6fbf50
commit
0dbe09bf8f
3 changed files with 366 additions and 314 deletions
5
.gitignore
vendored
5
.gitignore
vendored
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@ -20,4 +20,7 @@ themes/*
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!themes/default/*
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# User config
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config.php
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config.php
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*.iml
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*.sublime-*
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.idea
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86
lib/FilePageDao.php
Normal file
86
lib/FilePageDao.php
Normal file
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@ -0,0 +1,86 @@
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<?php
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class FilePageDao implements PageDao
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{
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/**
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* @var Pico
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*/
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private $pico;
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/**
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* @param Pico $pico
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*/
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function __construct($pico)
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{
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$this->pico = $pico;
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}
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/**
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* @inheritdoc
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*/
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function get_pages($base_url, $order_by = 'alpha', $order = 'asc', $meta_max_length = 2048, $excerpt_length = 50)
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{
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global $config;
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$pages = $this->pico->get_files(CONTENT_DIR, CONTENT_EXT);
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$sorted_pages = array();
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$date_id = 0;
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foreach ($pages as $key => $page) {
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// Skip 404
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if (basename($page) == '404' . CONTENT_EXT) {
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unset($pages[$key]);
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continue;
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}
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// Ignore Emacs (and Nano) temp files
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if (in_array(substr($page, -1), array('~', '#'))) {
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unset($pages[$key]);
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continue;
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}
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// Get title and format $page
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$page_content = file_get_contents($page, NULL, NULL, 0, $meta_max_length);
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$page_meta = $this->pico->read_file_meta($page_content);
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$page_content = $this->pico->parse_content($page_content);
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$url = str_replace(CONTENT_DIR, $base_url . '/', $page);
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$url = str_replace('index' . CONTENT_EXT, '', $url);
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$url = str_replace(CONTENT_EXT, '', $url);
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$data = array(
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'title' => isset($page_meta['title']) ? $page_meta['title'] : '',
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'url' => $url,
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'author' => isset($page_meta['author']) ? $page_meta['author'] : '',
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'date' => isset($page_meta['date']) ? $page_meta['date'] : '',
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'date_formatted' => isset($page_meta['date']) ? date($config['date_format'], strtotime($page_meta['date'])) : '',
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'content' => $page_content,
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'excerpt' => $this->limit_words(strip_tags($page_content), $excerpt_length),
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'last_modified' => new DateTime('@' . filemtime($page))
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);
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// Extend the data provided with each page by hooking into the data array
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$this->pico->run_hooks('get_page_data', array(&$data, $page_meta));
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if ($order_by == 'date' && isset($page_meta['date'])) {
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$sorted_pages[$page_meta['date'] . $date_id] = $data;
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$date_id++;
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} else $sorted_pages[] = $data;
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}
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if ($order == 'desc') krsort($sorted_pages);
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else ksort($sorted_pages);
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return $sorted_pages;
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}
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/**
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* Helper function to limit the words in a string
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*
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* @param string $string the given string
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* @param int $word_limit the number of words to limit to
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* @return string the limited string
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*/
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private function limit_words($string, $word_limit)
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{
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$words = explode(' ', $string);
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return trim(implode(' ', array_splice($words, 0, $word_limit))) . '...';
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}
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}
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589
lib/pico.php
589
lib/pico.php
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@ -1,5 +1,21 @@
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<?php
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use \Michelf\MarkdownExtra;
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use Michelf\MarkdownExtra;
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interface PageDao
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{
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/**
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* Returns a list of pages.
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*
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* @param string $base_url the base URL of the site
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* @param string $order_by order by "alpha" or "date"
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* @param string $order order "asc" or "desc"
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* @param int $meta_max_length Maximum length of page meta section
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* @param int $excerpt_length Maximum length of the excerpt in words
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* @return array $sorted_pages an array of pages
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*/
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function get_pages($base_url, $order_by = 'alpha', $order = 'asc', $meta_max_length = 2048, $excerpt_length = 50);
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}
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/**
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* Pico
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@ -9,346 +25,293 @@ use \Michelf\MarkdownExtra;
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* @license http://opensource.org/licenses/MIT
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* @version 0.7
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*/
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class Pico {
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class Pico
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{
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/**
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* @var array
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*/
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private $plugins;
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/**
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* @var PageDao
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*/
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private $page_dao;
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private $plugins;
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/**
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* The constructor carries out all the processing in Pico.
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* Does URL routing, Markdown processing and Twig processing.
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*/
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public function __construct()
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{
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// Load plugins
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$this->load_plugins();
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if (!isset($this->page_dao)) {
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// If plugin not found - fallback to FilePageDao
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@require_once(LIB_DIR . 'FilePageDao.php');
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$this->page_dao = new FilePageDao($this);
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}
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/**
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* The constructor carries out all the processing in Pico.
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* Does URL routing, Markdown processing and Twig processing.
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*/
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public function __construct()
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{
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// Load plugins
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$this->load_plugins();
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$this->run_hooks('plugins_loaded');
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// Get request url and script url
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$url = '';
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$request_url = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
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$script_url = (isset($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : '';
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$this->run_hooks('plugins_loaded');
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// Get our url path and trim the / of the left and the right
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if($request_url != $script_url) $url = trim(preg_replace('/'. str_replace('/', '\/', str_replace('index.php', '', $script_url)) .'/', '', $request_url, 1), '/');
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$url = preg_replace('/\?.*/', '', $url); // Strip query string
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$this->run_hooks('request_url', array(&$url));
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// Get request url and script url
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$url = '';
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$request_url = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
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$script_url = (isset($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : '';
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// Get the file path
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if($url) $file = CONTENT_DIR . $url;
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else $file = CONTENT_DIR .'index';
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// Get our url path and trim the / of the left and the right
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if ($request_url != $script_url) $url = trim(preg_replace('/' . str_replace('/', '\/', str_replace('index.php', '', $script_url)) . '/', '', $request_url, 1), '/');
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$url = preg_replace('/\?.*/', '', $url); // Strip query string
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$this->run_hooks('request_url', array(&$url));
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// Load the file
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if(is_dir($file)) $file = CONTENT_DIR . $url .'/index'. CONTENT_EXT;
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else $file .= CONTENT_EXT;
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// Get the file path
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if ($url) $file = CONTENT_DIR . $url;
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else $file = CONTENT_DIR . 'index';
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$this->run_hooks('before_load_content', array(&$file));
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if(file_exists($file)){
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$content = file_get_contents($file);
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} else {
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$this->run_hooks('before_404_load_content', array(&$file));
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$content = file_get_contents(CONTENT_DIR .'404'. CONTENT_EXT);
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header($_SERVER['SERVER_PROTOCOL'].' 404 Not Found');
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$this->run_hooks('after_404_load_content', array(&$file, &$content));
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}
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$this->run_hooks('after_load_content', array(&$file, &$content));
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// Load the settings
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$settings = $this->get_config();
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$this->run_hooks('config_loaded', array(&$settings));
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// Load the file
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if (is_dir($file)) $file = CONTENT_DIR . $url . '/index' . CONTENT_EXT;
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else $file .= CONTENT_EXT;
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$meta = $this->read_file_meta($content);
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$this->run_hooks('file_meta', array(&$meta));
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$content = $this->parse_content($content);
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$this->run_hooks('content_parsed', array(&$content));
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// Get all the pages
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$pages = $this->get_pages($settings['base_url'], $settings['pages_order_by'], $settings['pages_order'], $settings['excerpt_length']);
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$prev_page = array();
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$current_page = array();
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$next_page = array();
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while($current_page = current($pages)){
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if((isset($meta['title'])) && ($meta['title'] == $current_page['title'])){
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break;
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}
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next($pages);
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}
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$prev_page = next($pages);
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prev($pages);
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$next_page = prev($pages);
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$this->run_hooks('get_pages', array(&$pages, &$current_page, &$prev_page, &$next_page));
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$this->run_hooks('before_load_content', array(&$file));
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if (file_exists($file)) {
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$content = file_get_contents($file);
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} else {
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$this->run_hooks('before_404_load_content', array(&$file));
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$content = file_get_contents(CONTENT_DIR . '404' . CONTENT_EXT);
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header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
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$this->run_hooks('after_404_load_content', array(&$file, &$content));
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}
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$this->run_hooks('after_load_content', array(&$file, &$content));
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// Load the theme
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$this->run_hooks('before_twig_register');
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Twig_Autoloader::register();
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$loader = new Twig_Loader_Filesystem(THEMES_DIR . $settings['theme']);
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$twig = new Twig_Environment($loader, $settings['twig_config']);
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$twig->addExtension(new Twig_Extension_Debug());
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$twig_vars = array(
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'config' => $settings,
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'base_dir' => rtrim(ROOT_DIR, '/'),
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'base_url' => $settings['base_url'],
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'theme_dir' => THEMES_DIR . $settings['theme'],
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'theme_url' => $settings['base_url'] .'/'. basename(THEMES_DIR) .'/'. $settings['theme'],
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'site_title' => $settings['site_title'],
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'meta' => $meta,
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'content' => $content,
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'pages' => $pages,
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'prev_page' => $prev_page,
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'current_page' => $current_page,
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'next_page' => $next_page,
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'is_front_page' => $url ? false : true,
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);
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// Load the settings
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$settings = $this->get_config();
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$this->run_hooks('config_loaded', array(&$settings));
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$meta = $this->read_file_meta($content);
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$this->run_hooks('file_meta', array(&$meta));
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$content = $this->parse_content($content);
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$this->run_hooks('content_parsed', array(&$content));
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// Get all the pages
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$pages = $this->page_dao->get_pages(
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$settings['base_url'],
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$settings['pages_order_by'],
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$settings['pages_order'],
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$settings['excerpt_length']);
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$prev_page = array();
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$current_page = array();
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$next_page = array();
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while ($current_page = current($pages)) {
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if ((isset($meta['title'])) && ($meta['title'] == $current_page['title'])) {
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break;
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}
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next($pages);
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}
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$prev_page = next($pages);
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prev($pages);
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$next_page = prev($pages);
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$this->run_hooks('get_pages', array(&$pages, &$current_page, &$prev_page, &$next_page));
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// Load the theme
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$this->run_hooks('before_twig_register');
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Twig_Autoloader::register();
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$loader = new Twig_Loader_Filesystem(THEMES_DIR . $settings['theme']);
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$twig = new Twig_Environment($loader, $settings['twig_config']);
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$twig->addExtension(new Twig_Extension_Debug());
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$twig_vars = array(
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'config' => $settings,
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'base_dir' => rtrim(ROOT_DIR, '/'),
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'base_url' => $settings['base_url'],
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'theme_dir' => THEMES_DIR . $settings['theme'],
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'theme_url' => $settings['base_url'] . '/' . basename(THEMES_DIR) . '/' . $settings['theme'],
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'site_title' => $settings['site_title'],
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'meta' => $meta,
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'content' => $content,
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'pages' => $pages,
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'prev_page' => $prev_page,
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'current_page' => $current_page,
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'next_page' => $next_page,
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'is_front_page' => $url ? false : true,
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);
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// use a custom template if specified Template: [filename] in page meta e.g. Template: spesh to try and use spesh.html in theme folder
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$template = ((isset($meta['template']) && file_exists($twig_vars['theme_dir'] . '/' . $meta['template'] . $settings['template_ext'])) ? $meta['template'] . $settings['template_ext'] : 'index' . $settings['template_ext']);
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$this->run_hooks('before_render', array(&$twig_vars, &$twig));
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$this->run_hooks('before_render', array(&$twig_vars, &$twig));
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$output = $twig->render($template, $twig_vars);
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$this->run_hooks('after_render', array(&$output));
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echo $output;
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}
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/**
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* Load any plugins
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*/
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private function load_plugins()
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{
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$this->plugins = array();
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$plugins = $this->get_files(PLUGINS_DIR, '.php');
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if(!empty($plugins)){
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foreach($plugins as $plugin){
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include_once($plugin);
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$plugin_name = preg_replace("/\\.[^.\\s]{3}$/", '', basename($plugin));
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if(class_exists($plugin_name)){
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$obj = new $plugin_name;
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$this->plugins[] = $obj;
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}
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}
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}
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}
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$this->run_hooks('after_render', array(&$output));
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echo $output;
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}
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/**
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* Parses the content using Markdown
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*
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* @param string $content the raw txt content
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* @return string $content the Markdown formatted content
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*/
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private function parse_content(&$content)
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{
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$content = preg_replace('#/\*.+?\*/#s', '', $content); // Remove comments and meta
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$content = str_replace('%base_url%', $this->base_url(), $content);
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$content = MarkdownExtra::defaultTransform($content);
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/**
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* Load any plugins
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*/
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private function load_plugins()
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{
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$this->plugins = array();
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$plugins = $this->get_files(PLUGINS_DIR, '.php');
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if (!empty($plugins)) {
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foreach ($plugins as $plugin) {
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include_once($plugin);
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$plugin_name = preg_replace("/\\.[^.\\s]{3}$/", '', basename($plugin));
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if (class_exists($plugin_name)) {
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$obj = new $plugin_name;
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$this->plugins[] = $obj;
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return $content;
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}
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if ($obj instanceof PageDao) {
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$this->page_dao = $obj;
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}
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}
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}
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}
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}
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/**
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* Parses the file meta from the txt file header.
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* Meta keys are converted to lowercase automatically.
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*
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* @param string $content the raw txt content
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* @return array $headers an array of meta values
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*/
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private function read_file_meta($content)
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{
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global $config;
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$headers = array(
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'title' => 'Title',
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'description' => 'Description',
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'author' => 'Author',
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'date' => 'Date',
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'robots' => 'Robots'
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);
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/**
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* Helper function to recusively get all files in a directory
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*
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* @param string $directory start directory
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* @param string $ext optional limit to file extensions
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* @return array the matched files
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*/
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static function get_files($directory, $ext = '')
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{
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$array_items = array();
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if ($handle = opendir($directory)) {
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while (false !== ($file = readdir($handle))) {
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if (preg_match("/^(^\.)/", $file) === 0) {
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if (is_dir($directory . "/" . $file)) {
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$array_items = array_merge($array_items, self::get_files($directory . "/" . $file, $ext));
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} else {
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$file = $directory . "/" . $file;
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if (!$ext || strstr($file, $ext)) $array_items[] = preg_replace("/\/\//si", "/", $file);
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}
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}
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}
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closedir($handle);
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}
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return $array_items;
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}
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// Add support for custom headers by hooking into the headers array
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$this->run_hooks('before_read_file_meta', array(&$headers));
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/**
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* Processes any hooks and runs them
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*
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* @param string $hook_id the ID of the hook
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* @param array $args optional arguments
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*/
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function run_hooks($hook_id, $args = array())
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{
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if (!empty($this->plugins)) {
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foreach ($this->plugins as $plugin) {
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if (is_callable(array($plugin, $hook_id))) {
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call_user_func_array(array($plugin, $hook_id), $args);
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}
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}
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}
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}
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foreach ($headers as $field => $regex){
|
||||
if (preg_match('/^[ \t\/*#@]*' . preg_quote($regex, '/') . ':(.*)$/mi', $content, $match) && $match[1]){
|
||||
$headers[ $field ] = trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $match[1]));
|
||||
} else {
|
||||
$headers[ $field ] = '';
|
||||
}
|
||||
}
|
||||
|
||||
if(isset($headers['date'])) $headers['date_formatted'] = date($config['date_format'], strtotime($headers['date']));
|
||||
/**
|
||||
* Loads the config
|
||||
*
|
||||
* @return array $config an array of config values
|
||||
*/
|
||||
private function get_config()
|
||||
{
|
||||
global $config;
|
||||
@include_once(ROOT_DIR . 'config.php');
|
||||
|
||||
return $headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads the config
|
||||
*
|
||||
* @return array $config an array of config values
|
||||
*/
|
||||
private function get_config()
|
||||
{
|
||||
global $config;
|
||||
@include_once(ROOT_DIR .'config.php');
|
||||
|
||||
$defaults = array(
|
||||
'site_title' => 'Pico',
|
||||
'base_url' => $this->base_url(),
|
||||
'theme' => 'default',
|
||||
'date_format' => 'jS M Y',
|
||||
'twig_config' => array('cache' => false, 'autoescape' => false, 'debug' => false),
|
||||
'pages_order_by' => 'alpha',
|
||||
'pages_order' => 'asc',
|
||||
$defaults = array(
|
||||
'site_title' => 'Pico',
|
||||
'base_url' => $this->base_url(),
|
||||
'theme' => 'default',
|
||||
'date_format' => 'jS M Y',
|
||||
'twig_config' => array('cache' => false, 'autoescape' => false, 'debug' => false),
|
||||
'pages_order_by' => 'alpha',
|
||||
'pages_order' => 'asc',
|
||||
'excerpt_length' => 50,
|
||||
'template_ext' => '.html'
|
||||
);
|
||||
);
|
||||
|
||||
if(is_array($config)) $config = array_merge($defaults, $config);
|
||||
else $config = $defaults;
|
||||
if (is_array($config)) $config = array_merge($defaults, $config);
|
||||
else $config = $defaults;
|
||||
|
||||
return $config;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a list of pages
|
||||
*
|
||||
* @param string $base_url the base URL of the site
|
||||
* @param string $order_by order by "alpha" or "date"
|
||||
* @param string $order order "asc" or "desc"
|
||||
* @return array $sorted_pages an array of pages
|
||||
*/
|
||||
private function get_pages($base_url, $order_by = 'alpha', $order = 'asc', $meta_max_length = 2048, $excerpt_length = 50)
|
||||
{
|
||||
global $config;
|
||||
|
||||
$pages = $this->get_files(CONTENT_DIR, CONTENT_EXT);
|
||||
$sorted_pages = array();
|
||||
$date_id = 0;
|
||||
foreach($pages as $key=>$page){
|
||||
// Skip 404
|
||||
if(basename($page) == '404'. CONTENT_EXT){
|
||||
unset($pages[$key]);
|
||||
continue;
|
||||
}
|
||||
return $config;
|
||||
}
|
||||
|
||||
// Ignore Emacs (and Nano) temp files
|
||||
if (in_array(substr($page, -1), array('~','#'))) {
|
||||
unset($pages[$key]);
|
||||
continue;
|
||||
}
|
||||
// Get title and format $page
|
||||
$page_content = file_get_contents($page, NULL, NULL, 0, $meta_max_length);
|
||||
$page_meta = $this->read_file_meta($page_content);
|
||||
$page_content = $this->parse_content($page_content);
|
||||
$url = str_replace(CONTENT_DIR, $base_url .'/', $page);
|
||||
$url = str_replace('index'. CONTENT_EXT, '', $url);
|
||||
$url = str_replace(CONTENT_EXT, '', $url);
|
||||
$data = array(
|
||||
'title' => isset($page_meta['title']) ? $page_meta['title'] : '',
|
||||
'url' => $url,
|
||||
'author' => isset($page_meta['author']) ? $page_meta['author'] : '',
|
||||
'date' => isset($page_meta['date']) ? $page_meta['date'] : '',
|
||||
'date_formatted' => isset($page_meta['date']) ? date($config['date_format'], strtotime($page_meta['date'])) : '',
|
||||
'content' => $page_content,
|
||||
'excerpt' => $this->limit_words(strip_tags($page_content), $excerpt_length),
|
||||
'last_modified' => new DateTime('@' . filemtime($page))
|
||||
);
|
||||
/**
|
||||
* Helper function to work out the base URL
|
||||
*
|
||||
* @return string the base url
|
||||
*/
|
||||
private function base_url()
|
||||
{
|
||||
global $config;
|
||||
if (isset($config['base_url']) && $config['base_url']) return $config['base_url'];
|
||||
|
||||
// Extend the data provided with each page by hooking into the data array
|
||||
$this->run_hooks('get_page_data', array(&$data, $page_meta));
|
||||
$url = '';
|
||||
$request_url = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
|
||||
$script_url = (isset($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : '';
|
||||
if ($request_url != $script_url) $url = trim(preg_replace('/' . str_replace('/', '\/', str_replace('index.php', '', $script_url)) . '/', '', $request_url, 1), '/');
|
||||
|
||||
if($order_by == 'date' && isset($page_meta['date'])){
|
||||
$sorted_pages[$page_meta['date'].$date_id] = $data;
|
||||
$date_id++;
|
||||
}
|
||||
else $sorted_pages[] = $data;
|
||||
}
|
||||
|
||||
if($order == 'desc') krsort($sorted_pages);
|
||||
else ksort($sorted_pages);
|
||||
|
||||
return $sorted_pages;
|
||||
}
|
||||
|
||||
/**
|
||||
* Processes any hooks and runs them
|
||||
*
|
||||
* @param string $hook_id the ID of the hook
|
||||
* @param array $args optional arguments
|
||||
*/
|
||||
private function run_hooks($hook_id, $args = array())
|
||||
{
|
||||
if(!empty($this->plugins)){
|
||||
foreach($this->plugins as $plugin){
|
||||
if(is_callable(array($plugin, $hook_id))){
|
||||
call_user_func_array(array($plugin, $hook_id), $args);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
$protocol = $this->get_protocol();
|
||||
return rtrim(str_replace($url, '', $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']), '/');
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to work out the base URL
|
||||
*
|
||||
* @return string the base url
|
||||
*/
|
||||
private function base_url()
|
||||
{
|
||||
global $config;
|
||||
if(isset($config['base_url']) && $config['base_url']) return $config['base_url'];
|
||||
/**
|
||||
* Tries to guess the server protocol. Used in base_url()
|
||||
*
|
||||
* @return string the current protocol
|
||||
*/
|
||||
private function get_protocol()
|
||||
{
|
||||
preg_match("|^HTTP[S]?|is", $_SERVER['SERVER_PROTOCOL'], $m);
|
||||
return strtolower($m[0]);
|
||||
}
|
||||
|
||||
$url = '';
|
||||
$request_url = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
|
||||
$script_url = (isset($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : '';
|
||||
if($request_url != $script_url) $url = trim(preg_replace('/'. str_replace('/', '\/', str_replace('index.php', '', $script_url)) .'/', '', $request_url, 1), '/');
|
||||
/**
|
||||
* Parses the file meta from the txt file header.
|
||||
* Meta keys are converted to lowercase automatically.
|
||||
*
|
||||
* @param string $content the raw txt content
|
||||
* @return array $headers an array of meta values
|
||||
*/
|
||||
function read_file_meta($content)
|
||||
{
|
||||
global $config;
|
||||
|
||||
$protocol = $this->get_protocol();
|
||||
return rtrim(str_replace($url, '', $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']), '/');
|
||||
}
|
||||
$headers = array(
|
||||
'title' => 'Title',
|
||||
'description' => 'Description',
|
||||
'author' => 'Author',
|
||||
'date' => 'Date',
|
||||
'robots' => 'Robots'
|
||||
);
|
||||
|
||||
/**
|
||||
* Tries to guess the server protocol. Used in base_url()
|
||||
*
|
||||
* @return string the current protocol
|
||||
*/
|
||||
private function get_protocol()
|
||||
{
|
||||
preg_match("|^HTTP[S]?|is",$_SERVER['SERVER_PROTOCOL'],$m);
|
||||
return strtolower($m[0]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to recusively get all files in a directory
|
||||
*
|
||||
* @param string $directory start directory
|
||||
* @param string $ext optional limit to file extensions
|
||||
* @return array the matched files
|
||||
*/
|
||||
private function get_files($directory, $ext = '')
|
||||
{
|
||||
$array_items = array();
|
||||
if($handle = opendir($directory)){
|
||||
while(false !== ($file = readdir($handle))){
|
||||
if(preg_match("/^(^\.)/", $file) === 0){
|
||||
if(is_dir($directory. "/" . $file)){
|
||||
$array_items = array_merge($array_items, $this->get_files($directory. "/" . $file, $ext));
|
||||
} else {
|
||||
$file = $directory . "/" . $file;
|
||||
if(!$ext || strstr($file, $ext)) $array_items[] = preg_replace("/\/\//si", "/", $file);
|
||||
}
|
||||
}
|
||||
}
|
||||
closedir($handle);
|
||||
}
|
||||
return $array_items;
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to limit the words in a string
|
||||
*
|
||||
* @param string $string the given string
|
||||
* @param int $word_limit the number of words to limit to
|
||||
* @return string the limited string
|
||||
*/
|
||||
private function limit_words($string, $word_limit)
|
||||
{
|
||||
$words = explode(' ',$string);
|
||||
return trim(implode(' ', array_splice($words, 0, $word_limit))) .'...';
|
||||
}
|
||||
// Add support for custom headers by hooking into the headers array
|
||||
$this->run_hooks('before_read_file_meta', array(&$headers));
|
||||
|
||||
foreach ($headers as $field => $regex) {
|
||||
if (preg_match('/^[ \t\/*#@]*' . preg_quote($regex, '/') . ':(.*)$/mi', $content, $match) && $match[1]) {
|
||||
$headers[$field] = trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $match[1]));
|
||||
} else {
|
||||
$headers[$field] = '';
|
||||
}
|
||||
}
|
||||
|
||||
if (isset($headers['date'])) $headers['date_formatted'] = date($config['date_format'], strtotime($headers['date']));
|
||||
|
||||
return $headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses the content using Markdown
|
||||
*
|
||||
* @param string $content the raw txt content
|
||||
* @return string $content the Markdown formatted content
|
||||
*/
|
||||
function parse_content(&$content)
|
||||
{
|
||||
$content = preg_replace('#/\*.+?\*/#s', '', $content); // Remove comments and meta
|
||||
$content = str_replace('%base_url%', $this->base_url(), $content);
|
||||
$content = MarkdownExtra::defaultTransform($content);
|
||||
|
||||
return $content;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue