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Bug #18535 » bug_7984.diff

Administrator Admin, 2008-04-02 22:45

View differences:

class.tslib_content_patched.php
$afterstring = trim($options[1]);
$crop2space = trim($options[2]);
if ($chars) {
if (strlen($content)>abs($chars)) {
if ($chars<0) {
$content = $GLOBALS['TSFE']->csConvObj->substr($GLOBALS['TSFE']->renderCharset,$content,$chars);
$trunc_at = strpos($content, ' ');
$content = ($trunc_at&&$crop2space) ? $afterstring.substr($content,$trunc_at) : $afterstring.$content;
if (strlen($content) > abs($chars)) {
$tags = 'a|b|blockquote|body|div|em|font|form|h1|h2|h3|h4|h5|h6|i|li|map|ol|option|p|pre|sub|sup|select|span|strong|table|td|textarea|tr|u|ul|br|hr|img|input|area';
$regEx = '/(\<\/?(?:' . $tags . ')(?:\s*\>|\s[^\>]*\>))/si';
$splittedContent = preg_split($regEx, $content, -1, PREG_SPLIT_DELIM_CAPTURE);
$strlen = 0;
// reverse array for 'back cropping'
$splittedContent = $chars < 0 ? array_reverse($splittedContent) : $splittedContent;
// crop the text (chars of a tag are not counted)
for ($offset=0; $offset < count($splittedContent); $offset++) {
// debug($splittedContent[$offset],1);
if ($offset%2 === 0) {
$thisStrLen = $GLOBALS['TSFE']->csConvObj->strlen($GLOBALS['TSFE']->renderCharset, html_entity_decode($splittedContent[$offset],ENT_COMPAT,$GLOBALS['TSFE']->renderCharset));
if (($strlen + $thisStrLen > abs($chars))) {
$cropPosition = $chars - $strlen;
if ($chars < 0) {
$splittedContent[$offset] = $GLOBALS['TSFE']->csConvObj->substr($GLOBALS['TSFE']->renderCharset, $splittedContent[$offset], $cropPosition);
$truncatePosition = strpos($splittedContent[$offset], ' ');
$splittedContent[$offset] = ($truncatePosition && $crop2space) ? $afterstring . $GLOBALS['TSFE']->csConvObj->substr($GLOBALS['TSFE']->renderCharset, $splittedContent[$offset], $truncatePosition) : $afterstring . $splittedContent[$offset];
} else {
$splittedContent[$offset] = $GLOBALS['TSFE']->csConvObj->substr($GLOBALS['TSFE']->renderCharset, $splittedContent[$offset], 0, $cropPosition);
$truncatePosition = strrpos($splittedContent[$offset], ' ');
$splittedContent[$offset] = ($truncatePosition && $crop2space) ? $GLOBALS['TSFE']->csConvObj->substr($GLOBALS['TSFE']->renderCharset, $splittedContent[$offset], 0, $truncatePosition) . $afterstring : $splittedContent[$offset] . $afterstring;
}
// remember the $offset where we cropped the content
$croppedOffset = $offset;
break;
} else {
$strlen += $thisStrLen;
}
}
}
// close cropped tags
$closingTags = array();
$tagName = '';
$openingTagRegEx = '/^<([a-zA-Z0-6]+)(?:\s|>)/';
$closingTagRegEx = '/^<\/([a-zA-Z0-6]+)(?:\s|>)/';
for ($offset=$croppedOffset-1; $offset >= 0; $offset = $offset-2) {
if (preg_match('/\/\>$/',$splittedContent[$offset])) continue; // ignore empty element tags (e.g. <br />)
preg_match($chars<0?$closingTagRegEx:$openingTagRegEx, $splittedContent[$offset], $matches);
$tagName = $matches[1];
// seek for the closing (or opening) tag
if (trim($tagName)!=='') {
$seekingTagName = '';
for ($seekingOffset=$offset+2; $seekingOffset < count($splittedContent); $seekingOffset = $seekingOffset+2) {
preg_match($chars<0?$openingTagRegEx:$closingTagRegEx, $splittedContent[$seekingOffset], $matches);
$seekingTagName = $matches[1];
if (($tagName === $seekingTagName) && ($seekingOffset > $croppedOffset)) {
$closingTags[] = $splittedContent[$seekingOffset];
break;
}
}
}
}
// drop the unnecessary items of the content array
array_splice($splittedContent,$croppedOffset+1);
// reverse array for 'back cropping'
if ($chars < 0) {
$splittedContent = array_merge($splittedContent,$closingTags);
$splittedContent = array_reverse($splittedContent);
} else {
$content = $GLOBALS['TSFE']->csConvObj->substr($GLOBALS['TSFE']->renderCharset,$content,0,$chars);
$trunc_at = strrpos($content, ' ');
$content = ($trunc_at&&$crop2space) ? substr($content, 0, $trunc_at).$afterstring : $content.$afterstring;
$splittedContent = array_merge($splittedContent,$closingTags);
}
$content = implode('',$splittedContent);
}
}
return $content;
}
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