update PEAR to 1.9.4

1 files changed, 253 insertions, 0 deletions

diff --git a/3rdparty/PEAR/XMLParser.php b/3rdparty/PEAR/XMLParser.php
new file mode 100644
index 00000000000..7f091c16fad
--- /dev/null
+++ b/3rdparty/PEAR/XMLParser.php
@@ -0,0 +1,253 @@
+<?php
+/**
+ * PEAR_XMLParser
+ *
+ * PHP versions 4 and 5
+ *
+ * @category   pear
+ * @package    PEAR
+ * @author     Greg Beaver <cellog@php.net>
+ * @author     Stephan Schmidt (original XML_Unserializer code)
+ * @copyright  1997-2009 The Authors
+ * @license   http://opensource.org/licenses/bsd-license New BSD License
+ * @version    CVS: $Id: XMLParser.php 313023 2011-07-06 19:17:11Z dufuz $
+ * @link       http://pear.php.net/package/PEAR
+ * @since      File available since Release 1.4.0a1
+ */
+
+/**
+ * Parser for any xml file
+ * @category  pear
+ * @package   PEAR
+ * @author    Greg Beaver <cellog@php.net>
+ * @author    Stephan Schmidt (original XML_Unserializer code)
+ * @copyright 1997-2009 The Authors
+ * @license   http://opensource.org/licenses/bsd-license New BSD License
+ * @version   Release: 1.9.4
+ * @link      http://pear.php.net/package/PEAR
+ * @since     Class available since Release 1.4.0a1
+ */
+class PEAR_XMLParser
+{
+    /**
+     * unserilialized data
+     * @var string $_serializedData
+     */
+    var $_unserializedData = null;
+
+    /**
+     * name of the root tag
+     * @var string $_root
+     */
+    var $_root = null;
+
+    /**
+     * stack for all data that is found
+     * @var array    $_dataStack
+     */
+    var $_dataStack = array();
+
+    /**
+     * stack for all values that are generated
+     * @var array    $_valStack
+     */
+    var $_valStack = array();
+
+    /**
+     * current tag depth
+     * @var int    $_depth
+     */
+    var $_depth = 0;
+
+    /**
+     * The XML encoding to use
+     * @var string $encoding
+     */
+    var $encoding = 'ISO-8859-1';
+
+    /**
+     * @return array
+     */
+    function getData()
+    {
+        return $this->_unserializedData;
+    }
+
+    /**
+     * @param string xml content
+     * @return true|PEAR_Error
+     */
+    function parse($data)
+    {
+        if (!extension_loaded('xml')) {
+            include_once 'PEAR.php';
+            return PEAR::raiseError("XML Extension not found", 1);
+        }
+        $this->_dataStack =  $this->_valStack = array();
+        $this->_depth = 0;
+
+        if (
+            strpos($data, 'encoding="UTF-8"')
+            || strpos($data, 'encoding="utf-8"')
+            || strpos($data, "encoding='UTF-8'")
+            || strpos($data, "encoding='utf-8'")
+        ) {
+            $this->encoding = 'UTF-8';
+        }
+
+        if (version_compare(phpversion(), '5.0.0', 'lt') && $this->encoding == 'UTF-8') {
+            $data = utf8_decode($data);
+            $this->encoding = 'ISO-8859-1';
+        }
+
+        $xp = xml_parser_create($this->encoding);
+        xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0);
+        xml_set_object($xp, $this);
+        xml_set_element_handler($xp, 'startHandler', 'endHandler');
+        xml_set_character_data_handler($xp, 'cdataHandler');
+        if (!xml_parse($xp, $data)) {
+            $msg = xml_error_string(xml_get_error_code($xp));
+            $line = xml_get_current_line_number($xp);
+            xml_parser_free($xp);
+            include_once 'PEAR.php';
+            return PEAR::raiseError("XML Error: '$msg' on line '$line'", 2);
+        }
+        xml_parser_free($xp);
+        return true;
+    }
+
+    /**
+     * Start element handler for XML parser
+     *
+     * @access private
+     * @param  object $parser  XML parser object
+     * @param  string $element XML element
+     * @param  array  $attribs attributes of XML tag
+     * @return void
+     */
+    function startHandler($parser, $element, $attribs)
+    {
+        $this->_depth++;
+        $this->_dataStack[$this->_depth] = null;
+
+        $val = array(
+            'name'         => $element,
+            'value'        => null,
+            'type'         => 'string',
+            'childrenKeys' => array(),
+            'aggregKeys'   => array()
+       );
+
+        if (count($attribs) > 0) {
+            $val['children'] = array();
+            $val['type'] = 'array';
+            $val['children']['attribs'] = $attribs;
+        }
+
+        array_push($this->_valStack, $val);
+    }
+
+    /**
+     * post-process data
+     *
+     * @param string $data
+     * @param string $element element name
+     */
+    function postProcess($data, $element)
+    {
+        return trim($data);
+    }
+
+    /**
+     * End element handler for XML parser
+     *
+     * @access private
+     * @param  object XML parser object
+     * @param  string
+     * @return void
+     */
+    function endHandler($parser, $element)
+    {
+        $value = array_pop($this->_valStack);
+        $data  = $this->postProcess($this->_dataStack[$this->_depth], $element);
+
+        // adjust type of the value
+        switch (strtolower($value['type'])) {
+            // unserialize an array
+            case 'array':
+                if ($data !== '') {
+                    $value['children']['_content'] = $data;
+                }
+
+                $value['value'] = isset($value['children']) ? $value['children'] : array();
+                break;
+
+            /*
+             * unserialize a null value
+             */
+            case 'null':
+                $data = null;
+                break;
+
+            /*
+             * unserialize any scalar value
+             */
+            default:
+                settype($data, $value['type']);
+                $value['value'] = $data;
+                break;
+        }
+
+        $parent = array_pop($this->_valStack);
+        if ($parent === null) {
+            $this->_unserializedData = &$value['value'];
+            $this->_root = &$value['name'];
+            return true;
+        }
+
+        // parent has to be an array
+        if (!isset($parent['children']) || !is_array($parent['children'])) {
+            $parent['children'] = array();
+            if ($parent['type'] != 'array') {
+                $parent['type'] = 'array';
+            }
+        }
+
+        if (!empty($value['name'])) {
+            // there already has been a tag with this name
+            if (in_array($value['name'], $parent['childrenKeys'])) {
+                // no aggregate has been created for this tag
+                if (!in_array($value['name'], $parent['aggregKeys'])) {
+                    if (isset($parent['children'][$value['name']])) {
+                        $parent['children'][$value['name']] = array($parent['children'][$value['name']]);
+                    } else {
+                        $parent['children'][$value['name']] = array();
+                    }
+                    array_push($parent['aggregKeys'], $value['name']);
+                }
+                array_push($parent['children'][$value['name']], $value['value']);
+            } else {
+                $parent['children'][$value['name']] = &$value['value'];
+                array_push($parent['childrenKeys'], $value['name']);
+            }
+        } else {
+            array_push($parent['children'],$value['value']);
+        }
+        array_push($this->_valStack, $parent);
+
+        $this->_depth--;
+    }
+
+    /**
+     * Handler for character data
+     *
+     * @access private
+     * @param  object XML parser object
+     * @param  string CDATA
+     * @return void
+     */
+    function cdataHandler($parser, $cdata)
+    {
+        $this->_dataStack[$this->_depth] .= $cdata;
+    }
+}
\ No newline at end of file