118 lines
3.3 KiB
PHP
118 lines
3.3 KiB
PHP
<?php
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class Pico {
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function __construct()
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{
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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'])) ? $_SERVER['PHP_SELF'] : '';
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// Get our url path and trim the / of the left and the right
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if($request_url != $script_url) $url = trim(preg_replace('/'. str_replace('/', '\/', str_replace('index.php', '', $script_url)) .'/', '', $request_url, 1), '/');
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// Get the file path
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if($url) $file = CONTENT_DIR . $url;
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else $file = CONTENT_DIR .'index';
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// Load the file
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if(is_dir($file)) $file = CONTENT_DIR . $url .'/index.txt';
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else $file .= '.txt';
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if(file_exists($file)) $content = file_get_contents($file);
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else $content = file_get_contents(CONTENT_DIR .'404.txt');
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$meta = $this->read_file_meta($content);
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$content = preg_replace('#/\*.+?\*/#s', '', $content); // Remove comments and meta
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$content = $this->parse_content($content);
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// Load the settings
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$settings = $this->get_config();
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$env = array('autoescape' => false);
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if($settings['enable_cache']) $env['cache'] = CACHE_DIR;
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// Load the theme
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Twig_Autoloader::register();
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$loader = new Twig_Loader_Filesystem(THEMES_DIR . $settings['theme']);
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$twig = new Twig_Environment($loader, $env);
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echo $twig->render('index.html', 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' => $content
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));
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}
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function parse_content($content)
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{
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$content = str_replace('%base_url%', $this->base_url(), $content);
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$content = Markdown($content);
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return $content;
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}
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function read_file_meta($content)
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{
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$headers = array(
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'title' => 'Title',
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'description' => 'Description',
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'robots' => 'Robots'
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);
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foreach ($headers as $field => $regex){
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if (preg_match('/^[ \t\/*#@]*' . preg_quote($regex, '/') . ':(.*)$/mi', $content, $match) && $match[1]){
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$headers[ $field ] = trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $match[1]));
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} else {
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$headers[ $field ] = '';
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}
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}
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return $headers;
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}
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function get_config()
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{
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global $config;
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$defaults = array(
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'site_title' => 'Pico',
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'base_url' => $this->base_url(),
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'theme' => 'default',
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'enable_cache' => false
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);
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foreach($defaults as $key=>$val){
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if(isset($config[$key]) && $config[$key]) $defaults[$key] = $config[$key];
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}
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return $defaults;
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}
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function base_url()
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{
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global $config;
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if(isset($config['base_url']) && $config['base_url']) return $config['base_url'];
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$url = '';
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$request_url = (isset($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : '';
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$script_url = (isset($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : '';
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if($request_url != $script_url) $url = trim(preg_replace('/'. str_replace('/', '\/', str_replace('index.php', '', $script_url)) .'/', '', $request_url, 1), '/');
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$protocol = $this->get_protocol();
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return rtrim(str_replace($url, '', $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']), '/');
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}
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function get_protocol()
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{
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preg_match("|^HTTP[S]?|is",$_SERVER['SERVER_PROTOCOL'],$m);
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return strtolower($m[0]);
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}
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}
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?>
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