inital commit

webroot/forum/inc/class_xml.php

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+<?php
+/**
+ * MyBB 1.8
+ * Copyright 2014 MyBB Group, All Rights Reserved
+ *
+ * Website: http://www.mybb.com
+ * License: http://www.mybb.com/about/license
+ *
+ */
+
+/**
+ * The following class is based upon code by Eric Pollman
+ * @ http://eric.pollman.net/work/public_domain/
+ * and is licensed under the public domain license.
+ */
+
+class XMLParser {
+
+	/**
+	 * @var string
+	 */
+	public $data;
+	/**
+	 * @var array
+	 */
+	public $vals;
+	/**
+	 * @var int
+	 */
+	public $collapse_dups = 1;
+	/**
+	 * @var int
+	 */
+	public $index_numeric = 0;
+
+	/**
+	 * Initialize the parser and store the XML data to be parsed.
+	 *
+	 * @param string $data
+	 */
+	function __construct($data)
+	{
+		$this->data = $data;
+	}
+
+	/**
+	 * Build a tree based structure based from the parsed data
+	 *
+	 * @return array The tree based structure
+	 */
+	function get_tree()
+	{
+		$parser = xml_parser_create();
+		xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 0);
+		xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0);
+		if(!xml_parse_into_struct($parser, $this->data, $vals, $index))
+		{
+			return false;
+		}
+
+		$i = -1;
+		return $this->get_children($vals, $i);
+	}
+
+	/**
+	 * Private: Build a completed tag by fetching all child nodes and attributes
+	 *
+	 * @param array $thisvals Array of values from the current tag
+	 * @param array $vals Array of child nodes
+	 * @param int $i Internal counter
+	 * @param string $type Type of tag. Complete is a single line tag with attributes
+	 * @return array Completed tag array
+	 */
+	function build_tag($thisvals, $vals, &$i, $type)
+	{
+		$tag = array('tag' => $thisvals['tag']);
+
+		if(isset($thisvals['attributes']))
+		{
+			$tag['attributes'] = $thisvals['attributes'];
+		}
+
+		if($type == "complete")
+		{
+			if(isset($thisvals['value']))
+			{
+				$tag['value'] = $thisvals['value'];
+			}
+		}
+		else
+		{
+			$tag = array_merge($tag, $this->get_children($vals, $i));
+		}
+		return $tag;
+	}
+
+	/**
+	 * Fetch the children for from a specific node array
+	 *
+	 * @param array $vals Array of children
+	 * @param int $i Internal counter
+	 * @return array Array of child nodes
+	 */
+	function get_children($vals=array(), &$i)
+	{
+		$children = array();
+
+		if($i > -1 && isset($vals[$i]['value']))
+		{
+			$children['value'] = $vals[$i]['value'];
+		}
+
+		while(++$i < count($vals))
+		{
+			$type = $vals[$i]['type'];
+			if($type == "cdata")
+			{
+				$children['value'] .= $vals[$i]['value'];
+			}
+			elseif($type == "complete" || $type == "open")
+			{
+				$tag = $this->build_tag($vals[$i], $vals, $i, $type);
+				if($this->index_numeric)
+				{
+					$tag['tag'] = $vals[$i]['tag'];
+					$children[] = $tag;
+				}
+				else
+				{
+					$children[$tag['tag']][] = $tag;
+				}
+			}
+			else if($type == "close")
+			{
+				break;
+			}
+		}
+		if($this->collapse_dups)
+		{
+			foreach($children as $key => $value)
+			{
+				if(is_array($value) && (count($value) == 1))
+				{
+					$children[$key] = $value[0];
+				}
+			}
+		}
+		return $children;
+	}
+}
+
+/**
+ * Kill off unnecessary tags and return a clean array of XML data
+ *
+ * @param array $array Array of parsed XML data
+ * @return array Cleaned array of XML data
+ */
+function kill_tags($array)
+{
+	foreach($array as $key => $val)
+	{
+		if($key == "tag" || $key == "value")
+		{
+			unset($array[$key]);
+		}
+		else if(is_array($val))
+		{
+			// kill any nested tag or value indexes
+			$array[$key] = kill_tags($val);
+
+			// if the array no longer has any key/val sets
+			// and therefore is at the deepest level, then
+			// store the string value
+			if(is_array($array[$key]) && count($array[$key]) <= 0)
+			{
+				$array[$key] = $val['value'];
+			}
+		}
+	}
+
+	return $array;
+}