includes/wikiengine/Render/Xhtml/Url.php
author Dan
Sun, 25 Nov 2007 17:53:03 -0500
changeset 235 b3cfaf0a505c
parent 67 f6454d5fec7a
permissions -rw-r--r--
Fixed highlighting in search results; changed search algorithm to give more score for terms found in page title; hopefully (hackishly) fixed login_key_cache getting too long
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<?php
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// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
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/**
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 * Url rule end renderer for Xhtml
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 *
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 * PHP versions 4 and 5
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 *
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 * @category   Text
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 * @package    Text_Wiki
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 * @author     Paul M. Jones <pmjones@php.net>
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 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
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 * @version    CVS: $Id: Url.php,v 1.13 2006/02/10 23:07:03 toggg Exp $
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 * @link       http://pear.php.net/package/Text_Wiki
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 */
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/**
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 * This class renders URL links in XHTML.
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 *
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 * @category   Text
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 * @package    Text_Wiki
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 * @author     Paul M. Jones <pmjones@php.net>
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 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
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 * @version    Release: @package_version@
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 * @link       http://pear.php.net/package/Text_Wiki
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 */
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class Text_Wiki_Render_Xhtml_Url extends Text_Wiki_Render {
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    var $conf = array(
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        'target' => '_blank',
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        'images' => true,
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        'img_ext' => array('jpg', 'jpeg', 'gif', 'png'),
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        'css_inline' => null,
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        'css_footnote' => null,
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        'css_descr' => null,
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        'css_img' => null
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    );
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    /**
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    *
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    * Renders a token into text matching the requested format.
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    *
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    * @access public
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    *
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    * @param array $options The "options" portion of the token (second
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    * element).
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    *
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    * @return string The text rendered from the token options.
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    *
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    */
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    function token($options)
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    {
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      global $email;
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        // create local variables from the options array (text,
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        // href, type)
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        extract($options);
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        $quote = '"';
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        // find the rightmost dot and determine the filename
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        // extension.
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        $pos = strrpos($href, '.');
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        $ext = strtolower(substr($href, $pos + 1));
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        if(substr($href, 0, 7) == 'mailto:')
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        {
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          $a = substr($href, 7);
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          $code = $email->encryptEmail($a, '', '', $text);
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          return $code;
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        }
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        $href = $this->textEncode($href);
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        // does the filename extension indicate an image file?
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        if ($this->getConf('images') &&
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            in_array($ext, $this->getConf('img_ext', array()))) {
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            // create alt text for the image
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            if (! isset($text) || $text == '') {
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                $text = basename($href);
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                $text = $this->textEncode($text);
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            }
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            // generate an image tag
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            $css = $this->formatConf(' class="%s"', 'css_img');
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            $output = "<img$css src={$quote}$href{$quote} alt={$quote}$text{$quote} />";
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        } else {
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            // should we build a target clause?
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            if ($href{0} == '#' ||
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            	strtolower(substr($href, 0, 7)) == 'mailto:') {
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            	// targets not allowed for on-page anchors
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            	// and mailto: links.
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                $target = '';
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            } else {
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				// allow targets on non-anchor non-mailto links
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                $target = $this->getConf('target');
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            }
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            // generate a regular link (not an image)
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            // $text = $this->textEncode($text);
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            $css = $this->formatConf(' class="%s"', "css_$type");
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            $output = "<a$css href={$quote}$href{$quote}";
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            // hackish fix for the "external" image in Oxygen [added for Enano]
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            if ( preg_match('/<(.+?)>/is', $text) )
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            {
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              $output .= ' style="background-image: none; padding-right: 0;"';
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            }
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            if ($target) {
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                // use a "popup" window.  this is XHTML compliant, suggested by
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                // Aaron Kalin.  uses the $target as the new window name.
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                $target = $this->textEncode($target);
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                $output .= " onclick={$quote}window.open(this.href, '$target');";
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                $output .= " return false;{$quote}";
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            }
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            // finish up output
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            $output .= " rel=".'"'."nofollow".'"'.">$text</a>";
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            // make numbered references look like footnotes when no
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            // CSS class specified, make them superscript by default
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            if ($type == 'footnote' && ! $css) {
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                $output = '<sup>' . $output . '</sup>';
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            }
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        }
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        return $output;
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    }
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}
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?>