exported from svn
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Jeena
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172
scripts/bbcode.php
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172
scripts/bbcode.php
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<?php
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require_once JLOG_BASEPATH.'/scripts/stringparser_bbcode.class.php';
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// Zeilenumbrüche verschiedener Betriebsysteme vereinheitlichen
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function convertlinebreaks ($text) {
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return preg_replace ("/\015\012|\015|\012/", "\n", $text);
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}
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// Alles bis auf Neuezeile-Zeichen entfernen
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function bbcode_stripcontents ($text) {
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return preg_replace ("/[^\n]/", '', $text);
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}
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// Sonderzeichen behandeln
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function special_character($text) {
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return str_replace("&#", "&#", $text);
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}
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function do_bbcode_url ($action, $attributes, $content, $params, $node_object) {
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// get URL by parameters
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$url = isset($attributes['default']) ? $attributes['default'] : $content;
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// validate URL
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if($action == 'validate') {
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// Due to Bug #146 we will only allow specific protocolls in the url
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// currently, these are: HTTP, FTP, News and Mailto - or relative URLs
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// starting with a slash
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if(preg_match('#^(http://|ftp://|news:|mailto:|/)#i', $url)) return true;
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// Some people just write www.example.org, skipping the http://
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// We're going to be gentle a prefix this link with the protocoll.
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// However, example.org (without www) will not be recognized
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elseif(substr($url, 0, 4) == 'www.') return true;
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// all other links will be ignored
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return true;
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}
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// generate link
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else {
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// prefix URL with http:// if the protocoll was skipped
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if(substr($url, 0, 4) == 'www.') {
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$url = 'http://' . $url;
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}
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// in case a relative url is given without a link text, we display
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// the full URI as link text, not just the relative path
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if(!isset($attributes['default']) AND substr($url, 0, 1) == '/') {
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$content = (isset($_SERVER['HTTPS']) ? 'https://' : 'http://')
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. $_SERVER['HTTP_HOST']
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. $url;
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}
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// build link
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return '<a href="' . htmlspecialchars($url) . '">' . $content . '</a>';
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}
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}
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// Funktion zum Einbinden von Bildern
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function do_bbcode_img ($action, $attributes, $content, $params, $node_object) {
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if ($action == 'validate') {
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if (isset($attributes['caption'])) {
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$node_object->setFlag('paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
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if ($node_object->_parent->type() == STRINGPARSER_NODE_ROOT OR
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in_array($node_object->_parent->_codeInfo['content_type'], array('block', 'list', 'listitem'))) {
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return true;
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}
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else return false;
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}
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else return true;
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}
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$title = empty($attributes["title"]) ? "" : " title='".htmlspecialchars($attributes["title"])."'";
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if (isset($attributes['class']) AND isset($attributes['caption'])) $class_caption = " class='img ".htmlspecialchars($attributes['class'])."'";
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elseif (isset($attributes['class'])) $class = " class='".htmlspecialchars($attributes['class'])."'";
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elseif (isset($attributes['caption'])) $class_caption = " class='img'"; // bugfix by Sebastian Kochendörfer #215
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if (strpos($content, "http://") === 0) return "<img src='".htmlspecialchars($content)."'".$class." alt='".htmlspecialchars($attributes['alt'])."'".$title." />";
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else {
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list($img_width, $img_height, $img_type, $img_attr) = @getimagesize(JLOG_BASEPATH.'/img'.DIRECTORY_SEPARATOR.htmlspecialchars($content));
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$img = "<img src='".JLOG_PATH."/img/".htmlspecialchars($content)."'".$class." alt='".htmlspecialchars($attributes['alt'])."' style='width: ".$img_width."px;'".$title." />";
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}
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if(isset($attributes['caption'])) {
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return "\n<dl".$class_caption." style='width: ".$img_width."px;'>\n <dt>".$img."</dt>\n <dd>".htmlspecialchars($attributes['caption'])."</dd>\n</dl>\n";
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}
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else return $img;
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}
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// Funktion zum Einbinden von HTML Code, welcher vom Browser interpretiert wird
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function do_bbcode_html($action, $attributes, $content, $params, $node_object) {
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if ($action == 'validate') return true;
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return $content;
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}
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$bbcode = new StringParser_BBCode ();
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$bbcode->addFilter (STRINGPARSER_FILTER_PRE, 'convertlinebreaks');
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$bbcode->addFilter (STRINGPARSER_FILTER_POST, 'special_character');
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$bbcode->addParser (array ('block', 'inline', 'link', 'listitem'), 'htmlspecialchars');
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$bbcode->addParser (array ('block', 'inline', 'link', 'listitem'), 'nl2br');
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$bbcode->addParser ('list', 'bbcode_stripcontents');
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$bbcode->setRootParagraphHandling (true);
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$bbcode->addCode ('b', 'simple_replace', null, array ('start_tag' => '<strong>', 'end_tag' => '</strong>'),
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'inline', array ('listitem', 'block', 'inline', 'link'), array ());
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$bbcode->addCode ('i', 'simple_replace', null, array ('start_tag' => '<em>', 'end_tag' => '</em>'),
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'inline', array ('listitem', 'block', 'inline', 'link'), array ());
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$bbcode->addCode ('headline', 'simple_replace', null, array('start_tag' => '<h3>', 'end_tag' => '</h3>'),
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'block', array('block'), array('inline', 'link'));
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$bbcode->addCode ('quote', 'simple_replace', null, array('start_tag' => '<blockquote>', 'end_tag' => '</blockquote>'),
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'block', array('block', 'listitem'), array('inline', 'link'));
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$bbcode->addCode ('url', 'usecontent?', 'do_bbcode_url', array ('usecontent_param' => 'default'),
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'link', array ('listitem', 'block', 'inline'), array ('link'));
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$bbcode->addCode ('img', 'usecontent', 'do_bbcode_img', array (),
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'image', array ('listitem', 'block', 'inline', 'link'), array ());
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$bbcode->addCode ('html', 'usecontent', 'do_bbcode_html', array (),
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'html', array ('listitem', 'block', 'inline', 'link'), array ('image'));
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$bbcode->addCode ('list', 'simple_replace', null, array ('start_tag' => '<ul>', 'end_tag' => '</ul>'),
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'list', array ('block', 'listitem'), array ());
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$bbcode->addCode ('olist', 'simple_replace', null, array ('start_tag' => '<ol>', 'end_tag' => '</ol>'),
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'list', array ('block', 'listitem'), array ());
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$bbcode->addCode ('*', 'simple_replace', null, array ('start_tag' => '<li>', 'end_tag' => '</li>'),
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'listitem', array ('list', 'olist' ), array ());
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$bbcode->setCodeFlag ('*', 'closetag', BBCODE_CLOSETAG_OPTIONAL);
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$bbcode->setCodeFlag ('*', 'paragraphs', false);
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$bbcode->setCodeFlag ('list', 'paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
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$bbcode->setCodeFlag ('list', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('list', 'closetag.after.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('olist', 'paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
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$bbcode->setCodeFlag ('olist', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('olist', 'closetag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('headline', 'paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
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$bbcode->setCodeFlag ('headline', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('headline', 'closetag.after.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('html', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('html', 'closetag.after.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('quote', 'paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
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$bbcode->setCodeFlag ('quote', 'paragraphs', true);
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$bbcode->setCodeFlag ('quote', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcode->setCodeFlag ('quote', 'closetag.after.newline', BBCODE_NEWLINE_DROP);
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// BBCode for comments
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$bbcomments = new StringParser_BBCode ();
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$bbcomments->addFilter (STRINGPARSER_FILTER_PRE, 'convertlinebreaks');
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$bbcomments->addFilter (STRINGPARSER_FILTER_POST, 'special_character');
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$bbcomments->addParser (array ('block', 'inline', 'link'), 'htmlspecialchars');
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$bbcomments->addParser (array ('block', 'inline', 'link'), 'nl2br');
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$bbcomments->setRootParagraphHandling (true);
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$bbcomments->addCode ('b', 'simple_replace', null, array ('start_tag' => '<strong>', 'end_tag' => '</strong>'),
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'inline', array ('block', 'inline', 'link'), array ());
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$bbcomments->addCode ('i', 'simple_replace', null, array ('start_tag' => '<em>', 'end_tag' => '</em>'),
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'inline', array ('block', 'inline', 'link'), array ());
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$bbcomments->addCode ('url', 'usecontent?', 'do_bbcode_url', array ('usecontent_param' => 'default'),
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'link', array ('block', 'inline'), array ('link'));
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$bbcomments->addCode ('quote', 'simple_replace', null, array('start_tag' => '<blockquote>', 'end_tag' => '</blockquote>'),
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'block', array('block'), array('inline', 'link'));
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$bbcomments->setCodeFlag ('quote', 'paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
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$bbcomments->setCodeFlag ('quote', 'paragraphs', true);
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$bbcomments->setCodeFlag ('quote', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
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$bbcomments->setCodeFlag ('quote', 'closetag.after.newline', BBCODE_NEWLINE_DROP);
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// eof
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