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Редакция | Автор | № строки | Строка |
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69 | alex-w | 1 | <?php |
2 | /** |
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3 | * PEAR_XMLParser |
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4 | * |
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5 | * PHP versions 4 and 5 |
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6 | * |
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7 | * LICENSE: This source file is subject to version 3.0 of the PHP license |
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8 | * that is available through the world-wide-web at the following URI: |
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9 | * http://www.php.net/license/3_0.txt. If you did not receive a copy of |
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10 | * the PHP License and are unable to obtain it through the web, please |
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11 | * send a note to license@php.net so we can mail you a copy immediately. |
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12 | * |
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13 | * @category pear |
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14 | * @package PEAR |
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15 | * @author Greg Beaver <cellog@php.net> |
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16 | * @author Stephan Schmidt (original XML_Unserializer code) |
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17 | * @copyright 1997-2008 The PHP Group |
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18 | * @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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19 | * @version CVS: $Id: XMLParser.php,v 1.13 2008/01/03 20:26:36 cellog Exp $ |
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20 | * @link http://pear.php.net/package/PEAR |
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21 | * @since File available since Release 1.4.0a1 |
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22 | */ |
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23 | |||
24 | /** |
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25 | * Parser for any xml file |
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26 | * @category pear |
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27 | * @package PEAR |
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28 | * @author Greg Beaver <cellog@php.net> |
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29 | * @author Stephan Schmidt (original XML_Unserializer code) |
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30 | * @copyright 1997-2008 The PHP Group |
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31 | * @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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32 | * @version Release: 1.7.2 |
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33 | * @link http://pear.php.net/package/PEAR |
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34 | * @since Class available since Release 1.4.0a1 |
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35 | */ |
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36 | class PEAR_XMLParser |
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37 | { |
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38 | /** |
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39 | * unserilialized data |
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40 | * @var string $_serializedData |
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41 | */ |
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42 | var $_unserializedData = null; |
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43 | |||
44 | /** |
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45 | * name of the root tag |
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46 | * @var string $_root |
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47 | */ |
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48 | var $_root = null; |
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49 | |||
50 | /** |
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51 | * stack for all data that is found |
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52 | * @var array $_dataStack |
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53 | */ |
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54 | var $_dataStack = array(); |
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55 | |||
56 | /** |
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57 | * stack for all values that are generated |
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58 | * @var array $_valStack |
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59 | */ |
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60 | var $_valStack = array(); |
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61 | |||
62 | /** |
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63 | * current tag depth |
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64 | * @var int $_depth |
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65 | */ |
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66 | var $_depth = 0; |
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67 | |||
68 | /** |
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69 | * @return array |
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70 | */ |
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71 | function getData() |
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72 | { |
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73 | return $this->_unserializedData; |
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74 | } |
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75 | |||
76 | /** |
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77 | * @param string xml content |
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78 | * @return true|PEAR_Error |
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79 | */ |
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80 | function parse($data) |
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81 | { |
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82 | if (!extension_loaded('xml')) { |
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83 | include_once 'PEAR.php'; |
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84 | return PEAR::raiseError("XML Extension not found", 1); |
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85 | } |
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86 | $this->_valStack = array(); |
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87 | $this->_dataStack = array(); |
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88 | $this->_depth = 0; |
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89 | |||
90 | if (version_compare(phpversion(), '5.0.0', 'lt')) { |
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91 | if (strpos($data, 'encoding="UTF-8"')) { |
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92 | $data = utf8_decode($data); |
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93 | } |
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94 | $xp = xml_parser_create('ISO-8859-1'); |
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95 | } else { |
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96 | if (strpos($data, 'encoding="UTF-8"')) { |
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97 | $xp = xml_parser_create('UTF-8'); |
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98 | } else { |
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99 | $xp = xml_parser_create('ISO-8859-1'); |
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100 | } |
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101 | } |
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102 | xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0); |
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103 | xml_set_object($xp, $this); |
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104 | xml_set_element_handler($xp, 'startHandler', 'endHandler'); |
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105 | xml_set_character_data_handler($xp, 'cdataHandler'); |
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106 | if (!xml_parse($xp, $data)) { |
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107 | $msg = xml_error_string(xml_get_error_code($xp)); |
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108 | $line = xml_get_current_line_number($xp); |
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109 | xml_parser_free($xp); |
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110 | include_once 'PEAR.php'; |
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111 | return PEAR::raiseError("XML Error: '$msg' on line '$line'", 2); |
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112 | } |
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113 | xml_parser_free($xp); |
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114 | return true; |
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115 | } |
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116 | |||
117 | /** |
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118 | * Start element handler for XML parser |
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119 | * |
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120 | * @access private |
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121 | * @param object $parser XML parser object |
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122 | * @param string $element XML element |
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123 | * @param array $attribs attributes of XML tag |
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124 | * @return void |
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125 | */ |
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126 | function startHandler($parser, $element, $attribs) |
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127 | { |
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128 | $type = 'string'; |
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129 | |||
130 | $this->_depth++; |
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131 | $this->_dataStack[$this->_depth] = null; |
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132 | |||
133 | $val = array( |
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134 | 'name' => $element, |
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135 | 'value' => null, |
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136 | 'type' => $type, |
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137 | 'childrenKeys' => array(), |
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138 | 'aggregKeys' => array() |
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139 | ); |
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140 | |||
141 | if (count($attribs) > 0) { |
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142 | $val['children'] = array(); |
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143 | $val['type'] = 'array'; |
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144 | |||
145 | $val['children']['attribs'] = $attribs; |
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146 | |||
147 | } |
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148 | |||
149 | array_push($this->_valStack, $val); |
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150 | } |
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151 | |||
152 | /** |
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153 | * post-process data |
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154 | * |
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155 | * @param string $data |
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156 | * @param string $element element name |
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157 | */ |
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158 | function postProcess($data, $element) |
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159 | { |
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160 | return trim($data); |
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161 | } |
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162 | |||
163 | /** |
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164 | * End element handler for XML parser |
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165 | * |
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166 | * @access private |
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167 | * @param object XML parser object |
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168 | * @param string |
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169 | * @return void |
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170 | */ |
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171 | function endHandler($parser, $element) |
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172 | { |
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173 | $value = array_pop($this->_valStack); |
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174 | $data = $this->postProcess($this->_dataStack[$this->_depth], $element); |
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175 | |||
176 | // adjust type of the value |
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177 | switch(strtolower($value['type'])) { |
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178 | |||
179 | /* |
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180 | * unserialize an array |
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181 | */ |
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182 | case 'array': |
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183 | if ($data !== '') { |
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184 | $value['children']['_content'] = $data; |
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185 | } |
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186 | if (isset($value['children'])) { |
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187 | $value['value'] = $value['children']; |
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188 | } else { |
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189 | $value['value'] = array(); |
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190 | } |
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191 | break; |
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192 | |||
193 | /* |
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194 | * unserialize a null value |
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195 | */ |
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196 | case 'null': |
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197 | $data = null; |
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198 | break; |
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199 | |||
200 | /* |
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201 | * unserialize any scalar value |
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202 | */ |
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203 | default: |
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204 | settype($data, $value['type']); |
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205 | $value['value'] = $data; |
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206 | break; |
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207 | } |
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208 | $parent = array_pop($this->_valStack); |
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209 | if ($parent === null) { |
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210 | $this->_unserializedData = &$value['value']; |
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211 | $this->_root = &$value['name']; |
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212 | return true; |
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213 | } else { |
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214 | // parent has to be an array |
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215 | if (!isset($parent['children']) || !is_array($parent['children'])) { |
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216 | $parent['children'] = array(); |
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217 | if ($parent['type'] != 'array') { |
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218 | $parent['type'] = 'array'; |
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219 | } |
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220 | } |
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221 | |||
222 | if (!empty($value['name'])) { |
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223 | // there already has been a tag with this name |
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224 | if (in_array($value['name'], $parent['childrenKeys'])) { |
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225 | // no aggregate has been created for this tag |
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226 | if (!in_array($value['name'], $parent['aggregKeys'])) { |
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227 | if (isset($parent['children'][$value['name']])) { |
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228 | $parent['children'][$value['name']] = array($parent['children'][$value['name']]); |
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229 | } else { |
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230 | $parent['children'][$value['name']] = array(); |
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231 | } |
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232 | array_push($parent['aggregKeys'], $value['name']); |
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233 | } |
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234 | array_push($parent['children'][$value['name']], $value['value']); |
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235 | } else { |
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236 | $parent['children'][$value['name']] = &$value['value']; |
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237 | array_push($parent['childrenKeys'], $value['name']); |
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238 | } |
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239 | } else { |
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240 | array_push($parent['children'],$value['value']); |
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241 | } |
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242 | array_push($this->_valStack, $parent); |
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243 | } |
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244 | |||
245 | $this->_depth--; |
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246 | } |
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247 | |||
248 | /** |
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249 | * Handler for character data |
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250 | * |
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251 | * @access private |
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252 | * @param object XML parser object |
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253 | * @param string CDATA |
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254 | * @return void |
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255 | */ |
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256 | function cdataHandler($parser, $cdata) |
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257 | { |
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258 | $this->_dataStack[$this->_depth] .= $cdata; |
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259 | } |
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260 | } |
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261 | ?> |