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<?php
// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
/**
* Default: Parses for smileys / emoticons tags
*
* This class implements a Text_Wiki_Rule to find source text marked as
* smileys defined by symbols as ':)' , ':-)' or ':smile:'
* The symbol is replaced with a token.
*
* PHP versions 4 and 5
*
* @category Text
* @package Text_Wiki
* @author Bertrand Gugger <bertrand@toggg.com>
* @copyright 2005 bertrand Gugger
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id: Smiley.php,v 1.6 2005/10/04 08:17:51 toggg Exp $
* @link http://pear.php.net/package/Text_Wiki
*/
/**
* Smiley rule parser class for Default.
*
* @category Text
* @package Text_Wiki
* @author Bertrand Gugger <bertrand@toggg.com>
* @copyright 2005 bertrand Gugger
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version Release: @package_version@
* @link http://pear.php.net/package/Text_Wiki
* @see Text_Wiki_Parse::Text_Wiki_Parse()
*/
class Text_Wiki_Parse_Smiley extends Text_Wiki_Parse {
/**
* Configuration keys for this rule
* 'smileys' => array Smileys recognized by this rule, symbols key definitions:
* 'symbol' => array ( 'name', 'description' [, 'variante', ...] ) as
* ':)' => array('smile', 'Smile'),
* ':D' => array('biggrin', 'Very Happy',':grin:'),
* the eventual elements after symbol and description are variantes
*
* 'auto_nose' => boolean enabling the auto nose feature:
* auto build a variante for 2 chars symbols by inserting a '-' as ':)' <=> ':-)'
*
* @access public
* @var array 'config-key' => mixed config-value
*/
var $conf = array(
'smileys' => array(
':D' => array('biggrin', 'Very Happy', ':grin:'),
':)' => array('smile', 'Smile', '(:'),
':(' => array('sad', 'Sad', '):'),
':o' => array('surprised', 'Surprised', ':eek:', 'o:'),
':shock:' => array('eek', 'Shocked'),
':?' => array('confused', 'Confused', ':???:'),
'8)' => array('cool', 'Cool', '(8'),
':lol:' => array('lol', 'Laughing'),
':x' => array('mad', 'Mad'),
':P' => array('razz', 'Razz'),
':oops:' => array('redface', 'Embarassed'),
':cry:' => array('cry', 'Crying or Very sad'),
':evil:' => array('evil', 'Evil or Very Mad'),
':twisted:' => array('twisted', 'Twisted Evil'),
':roll:' => array('rolleyes', 'Rolling Eyes'),
';)' => array('wink', 'Wink', '(;'),
':!:' => array('exclaim', 'Exclamation'),
':?:' => array('question', 'Question'),
':idea:' => array('idea', 'Idea'),
':arrow:' => array('arrow', 'Arrow'),
':|' => array('neutral', 'Neutral', '|:'),
':mrgreen:' => array('mrgreen', 'Mr. Green'),
),
'auto_nose' => true
);
/**
* Definition array of smileys, variantes references their model
* 'symbol' => array ( 'name', 'description')
*
* @access private
* @var array 'config-key' => mixed config-value
*/
var $_smileys = array();
/**
* Constructor.
* We override the constructor to build up the regex from config
*
* @param object &$obj the base conversion handler
* @return The parser object
* @access public
*/
function Text_Wiki_Parse_Smiley(&$obj)
{
$default = $this->conf;
parent::Text_Wiki_Parse($obj);
// read the list of smileys to sort out variantes and :xxx: while building the regexp
$this->_smileys = $this->getConf('smileys', $default['smileys']);
$autoNose = $this->getConf('auto_nose', $default['auto_nose']);
$reg1 = $reg2 = '';
$sep1 = ':(?:';
$sep2 = '';
foreach ($this->_smileys as $smiley => $def) {
for ($i = 1; $i < count($def); $i++) {
if ($i > 1) {
$cur = $def[$i];
$this->_smileys[$cur] = &$this->_smileys[$smiley];
} else {
$cur = $smiley;
}
$len = strlen($cur);
if (($cur{0} == ':') && ($len > 2) && ($cur{$len - 1} == ':')) {
$reg1 .= $sep1 . preg_quote(substr($cur, 1, -1), '#');
$sep1 = '|';
continue;
}
if ($autoNose && ($len === 2)) {
$variante = $cur{0} . '-' . $cur{1};
$this->_smileys[$variante] = &$this->_smileys[$smiley];
$cur = preg_quote($cur{0}, '#') . '-?' . preg_quote($cur{1}, '#');
} else {
$cur = preg_quote($cur, '#');
}
$reg2 .= $sep2 . $cur;
$sep2 = '|';
}
}
$delim = '[\n\r\s' . $this->wiki->delim . '$^]';
$this->regex = '#(?<=' . $delim .
')(' . ($reg1 ? $reg1 . '):' . ($reg2 ? '|' : '') : '') . $reg2 .
')(?=' . $delim . ')#i';
}
/**
* Generates a replacement token for the matched text. Token options are:
* 'symbol' => the original marker
* 'name' => the name of the smiley
* 'desc' => the description of the smiley
*
* @param array &$matches The array of matches from parse().
* @return string Delimited token representing the smiley
* @access public
*/
function process(&$matches)
{
// tokenize
return $this->wiki->addToken($this->rule,
array(
'symbol' => $matches[1],
'name' => $this->_smileys[$matches[1]][0],
'desc' => $this->_smileys[$matches[1]][1]
));
}
}
?>
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