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<?php
/**
*
* Parse for URLS in the source text.
*
* raw -- http://example.com
* no descr. -- [[http://example.com]]
* described -- [[http://example.com|Example Description]]
*
* When rendering a URL token, this will convert URLs pointing to a .gif,
* .jpg, or .png image into an inline <img /> tag (for the 'xhtml'
* format).
*
* @category Text
*
* @package Text_Wiki
*
* @author Michele Tomaiuolo <tomamic@yahoo.it>
*
* @license LGPL
*
* @version $Id: Url.php 293784 2010-01-20 18:48:09Z justinpatrin $
*
*/
class Text_Wiki_Parse_Url extends Text_Wiki_Parse {
/**
*
* Constructor. Overrides the Text_Wiki_Parse constructor so that we
* can set the $regex property dynamically (we need to include the
* Text_Wiki $delim character).
*
* @param object &$obj The calling "parent" Text_Wiki object.
*
* @param string $name The token name to use for this rule.
*
*/
function Text_Wiki_Parse_Url(&$obj)
{
parent::Text_Wiki_Parse($obj);
$this->regex = '/((?:\[\[ *((?:\w+:\/\/|mailto:|\/)[^\|\]\n ]*)( *\| *([^\]\n]*))? *\]\])|((?<=[^\~\w])(https?:\/\/|ftps?:\/\/|mailto:)[^\'\"\n ' . $this->wiki->delim . ']*[A-Za-z0-9\/\?\=\&\~\_#]))/';
}
/**
*
* Generates a replacement for the matched text.
*
* Token options are:
*
* 'href' => the URL link href portion
*
* 'text' => the displayed text of the URL link
*
* @access public
*
* @param array &$matches The array of matches from parse().
*
* @return string A token to be used as a placeholder
* in the source text for the preformatted text.
*
*/
function process(&$matches)
{
if (isset($matches[2])) $href = trim($matches[2]);
if (isset($matches[4])) $text = trim($matches[4]);
if (isset($matches[5])) $rawurl = $matches[5];
if (empty($href)) $href = $rawurl;
if (empty($text)) {
$text = $href;
if (strpos($text, '/') === FALSE) {
$text = str_replace('http://', '', $text);
$text = str_replace('mailto:', '', $text);
}
return $this->wiki->addToken(
$this->rule,
array(
'type' => 'inline',
'href' => $href,
'text' => $text
)
);
} else {
return $this->wiki->addToken(
$this->rule,
array(
'type' => 'start',
'href' => $href,
'text' => $text
)
) . $text .
$this->wiki->addToken(
$this->rule,
array(
'type' => 'end',
'href' => $href,
'text' => $text
)
);
}
}
}
?>
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