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<?php
/**
* JComments - Joomla Comment System
*
* Service functions for JComments content plugins
*
* @version 2.0
* @package JComments
* @subpackage Helpers
* @author Sergey M. Litvinov (smart@joomlatune.ru)
* @copyright (C) 2006-2009 by Sergey M. Litvinov (http://www.joomlatune.ru)
* @license GNU/GPL: http://www.gnu.org/copyleft/gpl.html
*
* If you fork this to create your own project,
* please make a reference to JComments someplace in your code
* and provide a link to http://www.joomlatune.ru
**/
/**
* JComments Content Plugin Helper
*
* @static
* @package JComments
* @subpackage Helpers
*/
class JCommentsContentPluginHelper
{
/**
*
* @access private
* @param object $row The content item object
* @param array $patterns
* @param array $replacements
* @param bool $fromText Process 'text' field or introtext/fulltext fields?
* @return void
*/
function _processTags( &$row, $patterns = array(), $replacements = array(), $fromText = true )
{
if (count($patterns) > 0) {
ob_start();
if (true == $fromText) {
$row->text = preg_replace($patterns, $replacements, $row->text);
} else {
if (isset($row->introtext)) {
$row->introtext = preg_replace($patterns, $replacements, $row->introtext);
}
if (isset($row->fulltext)) {
$row->fulltext = preg_replace($patterns, $replacements, $row->fulltext);
}
}
ob_end_clean();
}
}
/**
* Searches given tag in content object
*
* @access private
* @param object $row The content item object
* @param array $pattern
* @param bool $fromText Process 'text' field or introtext/fulltext fields?
* @return boolean True if any tag found, False otherwise
*/
function _findTag( &$row, $pattern, $fromText = false )
{
if (true == $fromText) {
return (isset($row->text) && preg_match($pattern, $row->text));
} else {
return ((isset($row->introtext) && preg_match($pattern, $row->introtext)) || (isset($row->fulltext) && preg_match($pattern, $row->fulltext)));
}
}
/**
* Replaces or removes commenting systems tags like {moscomment}, {jomcomment} etc
* @access public
* @param object $row The content item object
* @param bool $removeTags Remove all 3rd party tags or replace it to JComments tags?
* @param bool $fromText Process 'text' field or introtext/fulltext fields?
* @return void
*/
function processForeignTags( &$row, $removeTags = false, $fromText = true )
{
if (false == $removeTags) {
$patterns = array('#\{(moscomment|mxc|jomcomment|easycomments)\}#is', '#\{\!jomcomment\}#is', '#\{mxc\:\:closed\}#is');
$replacements = array('{jcomments on}', '{jcomments off}', '{jcomments lock}');
} else {
$patterns = array('#\{(moscomment|mxc|msc::closed|!jomcomment|jomcomment|easycomments)\}#is');
$replacements = array('');
}
JCommentsContentPluginHelper::_processTags($row, $patterns, $replacements, $fromText);
}
/**
* Return true if one of text fields contains {jcomments on} tag
*
* @param object $row Content object
* @param boolean $fromText Look field 'text' or 'introtext' & 'fulltext'
* @return boolean True if {jcomments on} found, False otherwise
*/
function isEnabled( &$row, $fromText = false )
{
return JCommentsContentPluginHelper::_findTag($row, '/{jcomments\s+on}/is', $fromText);
}
/**
* Return true if one of text fields contains {jcomments off} tag
*
* @param object $row Content object
* @param boolean $fromText Look field 'text' or 'introtext' & 'fulltext'
* @return boolean True if {jcomments off} found, False otherwise
*/
function isDisabled( &$row, $fromText = false )
{
return JCommentsContentPluginHelper::_findTag($row, '/{jcomments\s+off}/is', $fromText);
}
/**
* Return true if one of text fields contains {jcomments lock} tag
*
* @param object $row Content object
* @param boolean $fromText Look field 'text' or 'introtext' & 'fulltext'
* @return boolean True if {jcomments lock} found, False otherwise
*/
function isLocked( &$row, $fromText = false )
{
return JCommentsContentPluginHelper::_findTag($row, '/{jcomments\s+lock}/is', $fromText);
}
/**
* Clears all JComments tags from content item
*
* @param object $row Content object
* @param boolean $fromText Look field 'text' or 'introtext' & 'fulltext'
* @return void
*/
function clear( &$row, $fromText = false )
{
$patterns = array('/{jcomments\s+(off|on|lock)}/is');
$replacements = array('');
JCommentsContentPluginHelper::_processTags($row, $patterns, $replacements, $fromText);
}
function checkCategory( $id )
{
$config = & JCommentsFactory::getConfig();
$categories = $config->get('enable_categories', '');
$cids = explode(',', $categories);
return ($categories != '' && in_array($id, $cids));
}
}
?>
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