312 lines
14 KiB
PHP
312 lines
14 KiB
PHP
<?php # $Id$
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@serendipity_plugin_api::load_language(dirname(__FILE__));
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class serendipity_event_bbcode extends serendipity_event
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{
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var $title = PLUGIN_EVENT_BBCODE_NAME;
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function introspect(&$propbag)
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{
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global $serendipity;
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$propbag->add('name', PLUGIN_EVENT_BBCODE_NAME);
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$propbag->add('description', PLUGIN_EVENT_BBCODE_DESC);
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$propbag->add('stackable', false);
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$propbag->add('author', 'Jez Hancock, Garvin Hicking');
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$propbag->add('version', '2.09');
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$propbag->add('requirements', array(
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'serendipity' => '0.8',
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'smarty' => '2.6.7',
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'php' => '4.1.0'
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));
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$propbag->add('cachable_events', array('frontend_display' => true));
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$propbag->add('event_hooks', array('frontend_display' => true, 'frontend_comment' => true, 'css' => true));
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$propbag->add('groups', array('MARKUP'));
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$this->markup_elements = array(
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array(
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'name' => 'ENTRY_BODY',
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'element' => 'body',
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),
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array(
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'name' => 'EXTENDED_BODY',
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'element' => 'extended',
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),
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array(
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'name' => 'COMMENT',
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'element' => 'comment',
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),
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array(
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'name' => 'HTML_NUGGET',
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'element' => 'html_nugget',
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)
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);
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$conf_array = array();
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$conf_array[] = 'info';
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$conf_array[] = 'target';
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foreach($this->markup_elements as $element) {
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$conf_array[] = $element['name'];
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}
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$propbag->add('configuration', $conf_array);
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}
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function bbcode_callback($matches) {
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$type = $matches[1];
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$input = trim($matches[2], "\r\n");
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switch ($type) {
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case 'code':
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$search_replace = array(
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'&' => '&',
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' ' => ' ',
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'<' => '<',
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'<' => '<',
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'>' => '>',
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'>' => '>',
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'"' => '"',
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':' => ':',
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'[' => '[',
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']' => ']',
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')' => ')',
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'(' => '(',
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'*' => '*',
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'\t' => '    ',
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'\\"' => '"',
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"\\'" => "'"
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);
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$input = strtr($input, $search_replace);
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break;
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case 'php':
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if (substr($input, 0, 2) != '<?') {
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$input = "<?php\n\n$input\n\n?>";
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}
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ob_start();
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highlight_string($input);
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$input = ob_get_contents();
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ob_end_clean();
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$input = str_replace('<br />', "\n", $input);
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break;
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default:
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return false;
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}
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$input = "<div class=\"bb-$type-title\">" . strtoupper($type) . ":</div>"
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. "<div class=\"bb-$type\">$input</div>";
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return($input);
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}
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function generate_content(&$title) {
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$title = $this->title;
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}
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function introspect_config_item($name, &$propbag)
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{
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switch($name) {
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case 'target':
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$propbag->add('type', 'boolean');
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$propbag->add('name', PLUGIN_EVENT_BBCODE_TARGET);
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$propbag->add('default', 'false');
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break;
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case 'info':
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$propbag->add('type', 'info');
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$propbag->add('description', PLUGIN_EVENT_BBCODE_TRANSFORM);
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break;
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default:
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$propbag->add('type', 'boolean');
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$propbag->add('name', constant($name));
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$propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name)));
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$propbag->add('default', 'true');
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break;
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}
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return true;
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}
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function install() {
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serendipity_plugin_api::hook_event('backend_cache_entries', $this->title);
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}
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function uninstall(&$propbag) {
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serendipity_plugin_api::hook_event('backend_cache_purge', $this->title);
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serendipity_plugin_api::hook_event('backend_cache_entries', $this->title);
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}
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function bbcode($input) {
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static $bbcodes = null;
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// Only allow numbers and characters for CSS: "red", "#FF0000", ...
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static $pattern_css = '([ 0-9a-z#-]+?)';
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// Only allow strings occuring in emails: .-_@, 0-9, a-z
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static $pattern_mail = '([\.\-\+~@_0-9a-z]+?)';
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// Only allow strings occuring in URLs: &;?:.-_@/, 0-9, a-z
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static $pattern_url = '([@!=~\?:&;0-9a-z#\.\-_\/,%\+]+?)';
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// Disallow possibly evil HTML characters which may lead to Javascript XSS: '"();
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static $pattern_query = '([^"\'\(\);]+?)';
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static $target = null;
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if ($target === null) {
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$target = serendipity_db_bool($this->get_config('target'));
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}
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// Note:
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// * Anything between <xxx>...</xxx> tags will be caught by htmlspecialchars() and disallows custom HTML tags.
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// * (?::\w+)? means "non capturing" match on any word character.
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// * (?<!\\\\) means any bbcode which is not prefixed by \[...]
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if ($bbcodes === null) {
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$bbcodes = array(
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'/(?<!\\\\)\[color(?::\w+)?=' . $pattern_css . '\](.*?)\[\/color(?::\w+)?\]/si' => "<span style=\"color:\\1\">\\2</span>",
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'/(?<!\\\\)\[size(?::\w+)?=' . $pattern_css . '\](.*?)\[\/size(?::\w+)?\]/si' => "<span style=\"font-size:\\1\">\\2</span>",
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'/(?<!\\\\)\[font(?::\w+)?=' . $pattern_css . '\](.*?)\[\/font(?::\w+)?\]/si' => "<span style=\"font-family:\\1\">\\2</span>",
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'/(?<!\\\\)\[align(?::\w+)?=' . $pattern_css . '\](.*?)\[\/align(?::\w+)?\]/si' => "<div style=\"text-align:\\1\">\\2</div>",
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'/(?<!\\\\)\[b(?::\w+)?\](.*?)\[\/b(?::\w+)?\]/si' => "<span style=\"font-weight:bold\">\\1</span>",
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'/(?<!\\\\)\[i(?::\w+)?\](.*?)\[\/i(?::\w+)?\]/si' => "<span style=\"font-style:italic\">\\1</span>",
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'/(?<!\\\\)\[u(?::\w+)?\](.*?)\[\/u(?::\w+)?\]/si' => "<span style=\"text-decoration:underline\">\\1</span>",
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'/(?<!\\\\)\[center(?::\w+)?\](.*?)\[\/center(?::\w+)?\]/si' => "<div style=\"text-align:center\">\\1</div>",
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'/(?<!\\\\)\[strike(?::\w+)?\](.*?)\[\/strike(?::\w+)?\]/si' => "<span style=\"text-decoration:line-through\">\\1</span>",
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// [email]
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'/(?<!\\\\)\[email(?::\w+)?\]' . $pattern_mail . '\[\/email(?::\w+)?\]/si' => "<a href=\"mailto:\\1\" class=\"bb-email\">\\1</a>",
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'/(?<!\\\\)\[email(?::\w+)?=' . $pattern_mail . '\](.*?)\[\/email(?::\w+)?\]/si' => "<a href=\"mailto:\\1\" class=\"bb-email\">\\2</a>",
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// [url]
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'/(?<!\\\\)\[(google|search)\]' . $pattern_query . '\[\/(google|search)\]/si' => "<a href=\"http://www.google.com/search?q=\\2\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\2</a>",
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'/(?<!\\\\)\[url(?::\w+)?\]www\.' . $pattern_url . '\[\/url(?::\w+)?\]/si' => "<a href=\"http://www.\\1\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\1</a>",
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'/(?<!\\\\)\[url(?::\w+)?\]' . $pattern_url . '\[\/url(?::\w+)?\]/si' => "<a href=\"\\1\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\1</a>",
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'/(?<!\\\\)\[url(?::\w+)?=' . $pattern_url . '?\](.*?)\[\/url(?::\w+)?\]/si' => "<a href=\"\\1\" " . ($target ? "target=\"_blank\"" : "") . " class=\"bb-url\">\\2</a>",
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// [img]
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'/(?<!\\\\)\[img(?::\w+)?\]' . $pattern_url . '\[\/img(?::\w+)?\]/si' => "<img src=\"\\1\" alt=\"\\1\" class=\"bb-image\" />",
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'/(?<!\\\\)\[img(?::\w+)?=([0-9]*?)x([0-9]*?)\]' . $pattern_url . '\[\/img(?::\w+)?\]/si' => "<img width=\"\\1\" height=\"\\2\" src=\"\\3\" alt=\"\\3\" class=\"bb-image\" />",
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// [quote]
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'/(?<!\\\\)\[quote(?::\w+)?\](.*?)\[\/quote(?::\w+)?\]/si' => "<div class=\"bb-code-title\">QUOTE:</div><div class=\"bb-quote\">\\1</div>",
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'/(?<!\\\\)\[quote(?::\w+)?=(?:"|"|\')?(.*?)["\']?(?:"|"|\')?\](.*?)\[\/quote\]/si' => "<div class=\"bb-code-title\">QUOTE \\1:</div><div class=\"bb-quote\">\\2</div>",
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// [list]
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\*(?::\w+)?\](.*?)(?=(?:\s*<br\s*\/?>\s*)?\[\*|(?:\s*<br\s*\/?>\s*)?\[\/?list)/si' => "\n<li class=\"bb-listitem\">\\1</li>",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\/list(:(?!u|o)\w+)?\](?:<br\s*\/?>)?/si' => "\n</ul>",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\/list:u(:\w+)?\](?:<br\s*\/?>)?/si' => "\n</ul>",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[\/list:o(:\w+)?\](?:<br\s*\/?>)?/si' => "\n</ul>",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(:(?!u|o)\w+)?\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-unordered\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list:u(:\w+)?\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-unordered\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list:o(:\w+)?\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-ordered\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=1\]\s*(?:<br\s*\/?>)?/si' => "\n<ul class=\"bb-list-ordered bb-list-ordered-d\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=i\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-lr\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=I\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-ur\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=a\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-la\">",
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'/(?<!\\\\)(?:\s*<br\s*\/?>\s*)?\[list(?::o)?(:\w+)?=A\]\s*(?:<br\s*\/?>)?/s' => "\n<ul class=\"bb-list-ordered bb-list-ordered-ua\">",
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// escaped tags like \[b], \[color], \[url], ...
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'/\\\\(\[\/?\w+(?::\w+)*\])/' => "\\1"
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);
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}
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/* Regular expressions taken from http://smarty.incutio.com/?page=BBCodePlugin Wiki (Andre Rabold) */
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$input = preg_replace(array_keys($bbcodes), array_values($bbcodes), $input);
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// [code] & [php]
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$input = preg_replace_callback('/(?<!\\\\)\[(code|php)(?::\w+)?\](.*?)\[\/\\1(?::\w+)?\]/si', array($this, 'bbcode_callback'), $input);
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return $input;
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}
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function event_hook($event, &$bag, &$eventData, $addData = null) {
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global $serendipity;
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$hooks = &$bag->get('event_hooks');
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if (isset($hooks[$event])) {
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switch($event) {
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case 'frontend_display':
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foreach ($this->markup_elements as $temp) {
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if (serendipity_db_bool($this->get_config($temp['name'], true)) && isset($eventData[$temp['element']]) &&
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!$eventData['properties']['ep_disable_markup_' . $this->instance] &&
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!isset($serendipity['POST']['properties']['disable_markup_' . $this->instance])) {
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$element = $temp['element'];
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$eventData[$element] = $this->bbcode($eventData[$element]);
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}
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}
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return true;
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break;
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case 'frontend_comment':
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if (serendipity_db_bool($this->get_config('COMMENT', true))) {
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echo '<div class="serendipity_commentDirection serendipity_comment_bbcode">' . PLUGIN_EVENT_BBCODE_TRANSFORM . '</div>';
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}
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return true;
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break;
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case 'css':
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if (strpos($eventData, '.bb-code') !== false) {
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// class exists in CSS, so a user has customized it and we don't need default
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return true;
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}
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?>
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.bb-quote, .bb-code, .bb-php, .bb-code-title, .bb-php-title {
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margin-left: 20px;
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margin-right: 20px;
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color: black;
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direction: ltr;
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}
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.bb-code-title, .bb-php-title {
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margin-bottom: 2px;
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background-color:#CCCCCC;
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font-weight: bold;
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padding-left: 5px;
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}
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.bb-code, .bb-php {
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font-family: courier, "courier new";
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background-color: #DDDDDD;
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padding: 10px;
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white-space: pre;
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overflow: auto;
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max-height: 24em;
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}
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.bb-quote {
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background-color: #DDDDDD;
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padding: 10px;
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}
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.bb-list-ordered-d {
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list-style-type: decimal;
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}
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.bb-list-ordered-la {
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list-style-type: lower-alpha;
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}
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.bb-list-ordered-ua {
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list-style-type: upper-alpha;
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}
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<?php
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return true;
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break;
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default:
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return false;
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}
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} else {
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return false;
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}
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}
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}
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/* vim: set sts=4 ts=4 expandtab : */
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?>
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