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+<?php
+
+/**
+ * Mediawiki: Parses for links to (inter)wiki pages or images.
+ *
+ * Text_Wiki rule parser to find links, it groups the 3 rules:
+ * # Wikilink: links to internal Wiki pages
+ * # Interwiki: links to external Wiki pages (sister projects, interlangage)
+ * # Image: Images
+ * as defined by text surrounded by double brackets [[]]
+ * Translated are the link itself, the section (anchor) and alternate text
+ *
+ * PHP versions 4 and 5
+ *
+ * @category Text
+ * @package Text_Wiki
+ * @author Bertrand Gugger <bertrand@toggg.com>
+ * @author Paul M. Jones <pmjones@php.net>
+ * @copyright 2005 bertrand Gugger
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version CVS: $Id: Wikilink.php 240474 2007-07-30 13:14:41Z mic $
+ * @link http://pear.php.net/package/Text_Wiki
+ */
+
+/**
+ * Wikilink, Interwiki and Image rules parser class for Mediawiki.
+ * This class implements a Text_Wiki_Parse to find links marked
+ * in source by text surrounded by 2 opening/closing brackets as
+ * [[Wiki page name#Section|Alternate text]]
+ * On parsing, the link is replaced with a token.
+ *
+ * @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_Wikilink extends Text_Wiki_Parse {
+
+ /**
+ * Configuration for this rule (Wikilink)
+ *
+ * @access public
+ * @var array
+ */
+
+ var $conf = array(
+ 'spaceUnderscore' => true,
+ 'project' => array('demo', 'd'),
+ 'url' => 'http://example.com/en/page=%s',
+ 'langage' => 'en'
+ );
+
+ /**
+ * Configuration for the Image rule
+ *
+ * @access public
+ * @var array
+ */
+
+ var $imageConf = array(
+ 'prefix' => array('Image', 'image')
+ );
+
+ /**
+ * Configuration for the Interwiki rule
+ *
+ * @access public
+ * @var array
+ */
+
+ var $interwikiConf = array(
+ 'sites' => array(
+ 'manual' => 'http://www.php.net/manual/en/%s',
+ 'pear' => 'http://pear.php.net/package/%s',
+ 'bugs' => 'http://pear.php.net/package/%s/bugs'
+ ),
+ 'interlangage' => array('en', 'de', 'fr')
+ );
+
+ /**
+ * The regular expression used to parse the source text and find
+ * matches conforming to this rule. Used by the parse() method.
+ *
+ * @access public
+ * @var string
+ * @see Text_Wiki_Parse::parse()
+ */
+
+ var $regex = '/(?<!\[)\[\[(?!\[) *(:?)((?:[^:\n]+:)+)?([^:\n]+)(#(?:[^\n]*))?(?: *\| *(((?R))|[^\n]*))? *]]/msU';
+
+ /**
+ * Constructor.
+ * We override the constructor to get Image and Interwiki config
+ *
+ * @param object &$obj the base conversion handler
+ * @return The parser object
+ * @access public
+ */
+
+ function Text_Wiki_Parse_Wikilink(&$obj)
+ {
+ $default = $this->conf;
+ parent::Text_Wiki_Parse($obj);
+
+ // override config options for image if specified
+ if (in_array('Image', $this->wiki->disable)) {
+ $this->imageConf['prefix'] = array();
+ } else {
+ if (isset($this->wiki->parseConf['Image']) &&
+ is_array($this->wiki->parseConf['Image'])) {
+ $this->imageConf = array_merge(
+ $this->imageConf,
+ $this->wiki->parseConf['Image']
+ );
+ }
+ }
+
+ // override config options for interwiki if specified
+ if (in_array('Interwiki', $this->wiki->disable)) {
+ $this->interwikiConf['sites'] = array();
+ $this->interwikiConf['interlangage'] = array();
+ } else {
+ if (isset($this->wiki->parseConf['Interwiki']) &&
+ is_array($this->wiki->parseConf['Interwiki'])) {
+ $this->interwikiConf = array_merge(
+ $this->interwikiConf,
+ $this->wiki->parseConf['Interwiki']
+ );
+ }
+ if (empty($this->conf['langage'])) {
+ $this->interwikiConf['interlangage'] = array();
+ }
+ }
+ //$this->regex = str_replace('DELIM', $this->wiki->delim, $this->regex);
+ // convert the list of recognized schemes to a regex OR,
+/* $schemes = $this->getConf('schemes', $default['schemes']);
+ $this->url = str_replace( '#delim#', $this->wiki->delim,
+ '#(?:' . (is_array($schemes) ? implode('|', $schemes) : $schemes) . ')://'
+ . $this->getConf('host_regexp', $default['host_regexp'])
+ . $this->getConf('path_regexp', $default['path_regexp']) .'#'); */
+ }
+
+ /**
+ * Generates a replacement for the matched text. Token options are:
+ * - 'page' => the name of the target wiki page
+ * -'anchor' => the optional section in it
+ * - 'text' => the optional alternate link text
+ *
+ * @access public
+ * @param array &$matches The array of matches from parse().
+ * @return string token to be used as replacement
+ */
+
+ function process(&$matches)
+ {
+ $matches[3] = $this->wiki->restoreRaw($matches[3]);
+
+ // Starting colon ?
+ $colon = !empty($matches[1]);
+ $auto = $interlang = $interwiki = $image = $site = '';
+ // Prefix ?
+ if (!empty($matches[2])) {
+ $prefix = explode(':', substr($matches[2], 0, -1));
+ $count = count($prefix);
+ $i = -1;
+ // Autolink
+ if (isset($this->conf['project']) &&
+ in_array(trim($prefix[0]), $this->conf['project'])) {
+ $auto = trim($prefix[0]);
+ unset($prefix[0]);
+ $i = 0;
+ }
+ while (++$i < $count) {
+ $prefix[$i] = trim($prefix[$i]);
+ // interlangage
+ if (!$interlang &&
+ in_array($prefix[$i], $this->interwikiConf['interlangage'])) {
+ $interlang = $prefix[$i];
+ unset($prefix[$i]);
+ continue;
+ }
+ // image
+ if (!$image && in_array($prefix[$i], $this->imageConf['prefix'])) {
+ $image = $prefix[$i];
+ unset($prefix[$i]);
+ break;
+ }
+ // interwiki
+ if (isset($this->interwikiConf['sites'][$prefix[$i]])) {
+ $interwiki = $this->interwikiConf['sites'][$prefix[$i]];
+ $site = $prefix[$i];
+ unset($prefix[$i]);
+ }
+ break;
+ }
+ if ($prefix) {
+ $matches[3] = implode(':', $prefix) . ':' . $matches[3];
+ }
+ }
+ $text = empty($matches[5]) ? $matches[3] : $matches[5];
+ $matches[3] = trim($matches[3]);
+ $matches[4] = empty($matches[4]) ? '' : trim($matches[4]);
+ if ($this->conf['spaceUnderscore']) {
+ $matches[3] = preg_replace('/\s+/', '_', $matches[3]);
+ $matches[4] = preg_replace('/\s+/', '_', $matches[4]);
+ }
+ if ($image) {
+ return $this->image($matches[3] . (empty($matches[4]) ? '' : '#' . $matches[4]),
+ $text, $interlang, $colon);
+ }
+ if (!$interwiki && $interlang && isset($this->conf['url'])) {
+ if ($interlang == $this->conf['langage']) {
+ $interlang = '';
+ } else {
+ $interwiki = $this->conf['url'];
+ $site = isset($this->conf['project']) ? $this->conf['project'][0] : '';
+ }
+ }
+ if ($interwiki) {
+ return $this->interwiki($site, $interwiki,
+ $matches[3] . (empty($matches[4]) ? '' : '#' . $matches[4]),
+ $text, $interlang, $colon);
+ }
+ if ($interlang) {
+ $matches[3] = $interlang . ':' . $matches[3];
+ $text = (empty($matches[5]) ? $interlang . ':' : '') . $text;
+ }
+
+ $start = $this->wiki->addToken($this->rule, array(
+ 'type' => 'start',
+ 'page' => $matches[3],
+ 'anchor' => (empty($matches[4]) ? '' : $matches[4]),
+ 'text' => $text
+ ));
+
+ $end = $this->wiki->addToken($this->rule, array(
+ 'type' => 'end',
+ 'page' => $matches[3],
+ 'anchor' => (empty($matches[4]) ? '' : $matches[4]),
+ 'text' => $text
+ ));
+
+ // create and return the replacement token
+ return $start . $text . $end;
+ }
+
+ /**
+ * Generates an image token. Token options are:
+ * - 'src' => the name of the image file
+ * - 'attr' => an array of attributes for the image:
+ * | - 'alt' => the optional alternate image text
+ * | - 'align => 'left', 'center' or 'right'
+ *
+ * @access public
+ * @param array &$matches The array of matches from parse().
+ * @return string token to be used as replacement
+ */
+
+ function image($name, $text, $interlang, $colon)
+ {
+ $attr = array('alt' => '');
+ // scan text for supplementary attibutes
+ if (strpos($text, '|') !== false) {
+ $splits = explode('|', $text);
+ $sep = '';
+ foreach ($splits as $split) {
+ switch (strtolower($split)) {
+ case 'left': case 'center': case 'right':
+ $attr['align'] = strtolower($split);
+ break;
+ default:
+ $attr['alt'] .= $sep . $split;
+ $sep = '|';
+ }
+ }
+ } else {
+ $attr['alt'] = $text;
+ }
+ $options = array(
+ 'src' => ($interlang ? $interlang . ':' : '') . $name,
+ 'attr' => $attr);
+
+ // create and return the replacement token
+ return $this->wiki->addToken('Image', $options);
+ }
+
+ /**
+ * Generates an interwiki token. Token options are:
+ * - 'page' => the name of the target wiki page
+ * - 'site' => the key for external site
+ * - 'url' => the full target url
+ * - 'text' => the optional alternate link text
+ *
+ * @access public
+ * @param array &$matches The array of matches from parse().
+ * @return string token to be used as replacement
+ */
+
+ function interwiki($site, $interwiki, $page, $text, $interlang, $colon)
+ {
+ if ($interlang) {
+ $interwiki = preg_replace('/\b' . $this->conf['langage'] . '\b/i',
+ $interlang, $interwiki);
+ }
+ // set the options
+ $options = array(
+ 'page' => $page,
+ 'site' => $site,
+ 'url' => sprintf($interwiki, $page),
+ 'text' => $text
+ );
+
+ // create and return the replacement token
+ return $this->wiki->addToken('Interwiki', $options);
+ }
+}
+?>
generated by cgit v1.3 (git 2.53.0) at 2026-06-29 22:07:28 +0000