Modified and moved Text_Wiki library under system/classes

system/classes/Text/Wiki/Parse.php

@@ -0,0 +1,195 @@
+<?php
+
+namespace Geeklog\Text\Wiki;
+
+use Geeklog\Text\Wiki;
+
+/**
+ * Baseline rule class for extension into a "real" parser component.
+ * PHP versions 4 and 5
+ *
+ * @category   Text
+ * @package    Text_Wiki
+ * @author     Paul M. Jones <pmjones@php.net>
+ * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
+ * @version    CVS: $Id: Parse.php 191781 2005-07-29 08:57:29Z toggg $
+ * @link       http://pear.php.net/package/Text_Wiki
+ */
+
+/**
+ * Baseline rule class for extension into a "real" parser component.
+ * Text_Wiki_Rule classes do not stand on their own; they are called by a
+ * Text_Wiki object, typcially in the transform() method. Each rule class
+ * performs three main activities: parse, process, and render.
+ * The parse() method takes a regex and applies it to the whole block of
+ * source text at one time. Each match is sent as $matches to the
+ * process() method.
+ * The process() method acts on the matched text from the source, and
+ * then processes the source text is some way.  This may mean the
+ * creation of a delimited token using addToken().  In every case, the
+ * process() method returns the text that should replace the matched text
+ * from parse().
+ *
+ * @category   Text
+ * @package    Text_Wiki
+ * @author     Paul M. Jones <pmjones@php.net>
+ * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
+ * @version    Release: @package_version@
+ * @link       http://pear.php.net/package/Text_Wiki
+ */
+class Text_Wiki_Parse
+{
+    /**
+     * Configuration options for this parser rule.
+     *
+     * @var string
+     */
+    public $conf = array();
+
+    /**
+     * Regular expression to find matching text for this rule.
+     *
+     * @var string
+     * @see    parse()
+     */
+    public $regex = null;
+
+    /**
+     * The name of this rule for new token array elements.
+     *
+     * @var string
+     */
+    public $rule = null;
+
+    /**
+     * A reference to the calling Text_Wiki object.
+     * This is needed so that each rule has access to the same source
+     * text, token set, URLs, interwiki maps, page names, etc.
+     *
+     * @var object
+     */
+    public $wiki = null;
+
+    /**
+     * Constructor for this parser rule.
+     *
+     * @param Wiki $obj The calling "parent" Text_Wiki object.
+     */
+    public function __construct(Wiki $obj)
+    {
+        // set the reference to the calling Text_Wiki object;
+        // this allows us access to the shared source text, token
+        // array, etc.
+        $this->wiki = $obj;
+
+        // set the name of this rule; generally used when adding
+        // to the tokens array. strip off the Text_Wiki_Parse_ portion.
+        $tmp = str_ireplace('Geeklog\\Text\\Wiki\\Text_Wiki_Parse_', '', get_class($this));
+        $this->rule = ucwords(strtolower($tmp));
+
+        // override config options for the rule if specified
+        if (isset($this->wiki->parseConf[$this->rule]) &&
+            is_array($this->wiki->parseConf[$this->rule])
+        ) {
+            $this->conf = array_merge(
+                $this->conf,
+                $this->wiki->parseConf[$this->rule]
+            );
+        }
+    }
+
+    /**
+     * Abstrct method to parse source text for matches.
+     * Applies the rule's regular expression to the source text, passes
+     * every match to the process() method, and replaces the matched text
+     * with the results of the processing.
+     *
+     * @see    Text_Wiki_Parse::process()
+     */
+    public function parse()
+    {
+        $this->wiki->source = preg_replace_callback(
+            $this->regex,
+            array($this, 'process'),
+            $this->wiki->source
+        );
+    }
+
+    /**
+     * Abstract method to generate replacements for matched text.
+     *
+     * @param  array $matches An array of matches from the parse() method
+     *                        as generated by preg_replace_callback.  $matches[0] is the full
+     *                        matched string, $matches[1] is the first matched pattern,
+     *                        $matches[2] is the second matched pattern, and so on.
+     * @return string The processed text replacement; defaults to the
+     *                        full matched string (i.e., no changes to the text).
+     * @see    Text_Wiki_Parse::parse()
+     */
+    public function process(&$matches)
+    {
+        return $matches[0];
+    }
+
+    /**
+     * Simple method to safely get configuration key values.
+     *
+     * @param string $key     The configuration key.
+     * @param mixed  $default If the key does not exist, return this value
+     *                        instead.
+     * @return mixed The configuration key value (if it exists) or the
+     *                        default value (if not).
+     */
+    public function getConf($key, $default = null)
+    {
+        if (isset($this->conf[$key])) {
+            return $this->conf[$key];
+        } else {
+            return $default;
+        }
+    }
+
+    /**
+     * Extract 'attribute="value"' portions of wiki markup.
+     * This kind of markup is typically used only in macros, but is useful
+     * anywhere.
+     * The syntax is pretty strict; there can be no spaces between the
+     * option name, the equals, and the first double-quote; the value
+     * must be surrounded by double-quotes.  You can escape characters in
+     * the value with a backslash, and the backslash will be stripped for
+     * you.
+     *
+     * @param string $text The "attributes" portion of markup.
+     * @return array An associative array of key-value pairs where the
+     *                     key is the option name and the value is the option value.
+     */
+    public function getAttrs($text)
+    {
+        // find the =" sections;
+        $tmp = explode('="', trim($text));
+
+        // basic setup
+        $k = count($tmp) - 1;
+        $attrs = array();
+        $key = null;
+
+        // loop through the sections
+        foreach ($tmp as $i => $val) {
+            // first element is always the first key
+            if ($i == 0) {
+                $key = trim($val);
+                continue;
+            }
+
+            // find the last double-quote in the value.
+            // the part to the left is the value for the last key,
+            // the part to the right is the next key name
+            $pos = strrpos($val, '"');
+            $attrs[$key] = stripslashes(substr($val, 0, $pos));
+            $key = trim(substr($val, $pos + 1));
+
+        }
+
+        return $attrs;
+    }
+}

system/classes/Text/Wiki/Parse/Anchor.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Geeklog\Text\Wiki;
+
+/**
+ * Parses for anchor targets.
+ *
+ * @category Text
+ * @package  Text_Wiki
+ * @author   Manuel Holtgrewe <purestorm at ggnore dot net>
+ * @author   Paul M. Jones <pmjones@php.net>
+ * @license  LGPL
+ * @version  $Id: Anchor.php 180591 2005-02-23 17:38:29Z pmjones $
+ */
+
+/**
+ * This class implements a Text_Wiki_Parse to add an anchor target name
+ * in the wiki page.
+ *
+ * @author   Manuel Holtgrewe <purestorm at ggnore dot net>
+ * @author   Paul M. Jones <pmjones at ciaweb dot net>
+ * @category Text
+ * @package  Text_Wiki
+ */
+class Text_Wiki_Parse_Anchor extends Text_Wiki_Parse
+{
+    /**
+     * The regular expression used to find source text matching this
+     * rule.  Looks like a macro: [[# anchor_name]]
+     *
+     * @var string
+     */
+    public $regex = '/(\[\[# )([-_A-Za-z0-9.]+?)( .+)?(\]\])/i';
+
+    /**
+     * Generates a token entry for the matched text.  Token options are:
+     * 'text' => The full matched text, not including the <code></code> tags.
+     *
+     * @param  array  &$matches The array of matches from parse().
+     * @return string A delimited token number to be used as a placeholder in the source text.
+     */
+    public function process(&$matches)
+    {
+        $name = $matches[2];
+        $text = $matches[3];
+
+        $start = $this->wiki->addToken(
+            $this->rule,
+            array('type' => 'start', 'name' => $name)
+        );
+
+        $end = $this->wiki->addToken(
+            $this->rule,
+            array('type' => 'end', 'name' => $name)
+        );
+
+        // done, place the script output directly in the source
+        return $start . trim($text) . $end;
+    }
+}