1 | <?PHP |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ |
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3 | |
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4 | /** |
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5 | * XML_Unserializer |
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6 | * |
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7 | * Parses any XML document into PHP data structures. |
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8 | * |
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9 | * PHP versions 4 and 5 |
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10 | * |
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11 | * LICENSE: |
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12 | * |
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13 | * Copyright (c) 2003-2008 Stephan Schmidt <schst@php.net> |
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14 | * All rights reserved. |
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15 | * |
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16 | * Redistribution and use in source and binary forms, with or without |
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17 | * modification, are permitted provided that the following conditions |
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18 | * are met: |
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19 | * |
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20 | * * Redistributions of source code must retain the above copyright |
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21 | * notice, this list of conditions and the following disclaimer. |
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22 | * * Redistributions in binary form must reproduce the above copyright |
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23 | * notice, this list of conditions and the following disclaimer in the |
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24 | * documentation and/or other materials provided with the distribution. |
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25 | * * The name of the author may not be used to endorse or promote products |
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26 | * derived from this software without specific prior written permission. |
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27 | * |
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28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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29 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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30 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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31 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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32 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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33 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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34 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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35 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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36 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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37 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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38 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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39 | * |
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40 | * @category XML |
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41 | * @package XML_Serializer |
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42 | * @author Stephan Schmidt <schst@php.net> |
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43 | * @copyright 2003-2008 Stephan Schmidt <schst@php.net> |
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44 | * @license http://opensource.org/licenses/bsd-license New BSD License |
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45 | * @version CVS: $Id: Unserializer.php 303099 2010-09-06 16:23:06Z clockwerx $ |
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46 | * @link http://pear.php.net/package/XML_Serializer |
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47 | * @see XML_Unserializer |
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48 | */ |
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49 | |
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50 | /** |
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51 | * uses PEAR error managemt |
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52 | */ |
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53 | require_once 'PEAR.php'; |
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54 | |
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55 | /** |
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56 | * uses XML_Parser to unserialize document |
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57 | */ |
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58 | require_once 'XML/Parser.php'; |
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59 | |
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60 | /** |
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61 | * option: Convert nested tags to array or object |
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62 | * |
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63 | * Possible values: |
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64 | * - array |
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65 | * - object |
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66 | * - associative array to define this option per tag name |
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67 | */ |
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68 | define('XML_UNSERIALIZER_OPTION_COMPLEXTYPE', 'complexType'); |
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69 | |
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70 | /** |
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71 | * option: Name of the attribute that stores the original key |
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72 | * |
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73 | * Possible values: |
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74 | * - any string |
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75 | */ |
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76 | define('XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY', 'keyAttribute'); |
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77 | |
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78 | /** |
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79 | * option: Name of the attribute that stores the type |
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80 | * |
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81 | * Possible values: |
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82 | * - any string |
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83 | */ |
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84 | define('XML_UNSERIALIZER_OPTION_ATTRIBUTE_TYPE', 'typeAttribute'); |
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85 | |
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86 | /** |
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87 | * option: Name of the attribute that stores the class name |
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88 | * |
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89 | * Possible values: |
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90 | * - any string |
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91 | */ |
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92 | define('XML_UNSERIALIZER_OPTION_ATTRIBUTE_CLASS', 'classAttribute'); |
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93 | |
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94 | /** |
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95 | * option: Whether to use the tag name as a class name |
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96 | * |
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97 | * Possible values: |
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98 | * - true or false |
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99 | */ |
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100 | define('XML_UNSERIALIZER_OPTION_TAG_AS_CLASSNAME', 'tagAsClass'); |
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101 | |
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102 | /** |
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103 | * option: Name of the default class |
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104 | * |
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105 | * Possible values: |
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106 | * - any string |
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107 | */ |
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108 | define('XML_UNSERIALIZER_OPTION_DEFAULT_CLASS', 'defaultClass'); |
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109 | |
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110 | /** |
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111 | * option: Whether to parse attributes |
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112 | * |
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113 | * Possible values: |
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114 | * - true or false |
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115 | */ |
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116 | define('XML_UNSERIALIZER_OPTION_ATTRIBUTES_PARSE', 'parseAttributes'); |
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117 | |
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118 | /** |
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119 | * option: Key of the array to store attributes (if any) |
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120 | * |
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121 | * Possible values: |
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122 | * - any string |
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123 | * - false (disabled) |
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124 | */ |
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125 | define('XML_UNSERIALIZER_OPTION_ATTRIBUTES_ARRAYKEY', 'attributesArray'); |
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126 | |
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127 | /** |
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128 | * option: string to prepend attribute name (if any) |
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129 | * |
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130 | * Possible values: |
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131 | * - any string |
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132 | * - false (disabled) |
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133 | */ |
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134 | define('XML_UNSERIALIZER_OPTION_ATTRIBUTES_PREPEND', 'prependAttributes'); |
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135 | |
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136 | /** |
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137 | * option: key to store the content, |
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138 | * if XML_UNSERIALIZER_OPTION_ATTRIBUTES_PARSE is used |
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139 | * |
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140 | * Possible values: |
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141 | * - any string |
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142 | */ |
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143 | define('XML_UNSERIALIZER_OPTION_CONTENT_KEY', 'contentName'); |
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144 | |
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145 | /** |
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146 | * option: map tag names |
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147 | * |
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148 | * Possible values: |
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149 | * - associative array |
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150 | */ |
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151 | define('XML_UNSERIALIZER_OPTION_TAG_MAP', 'tagMap'); |
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152 | |
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153 | /** |
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154 | * option: list of tags that will always be enumerated |
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155 | * |
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156 | * Possible values: |
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157 | * - indexed array |
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158 | */ |
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159 | define('XML_UNSERIALIZER_OPTION_FORCE_ENUM', 'forceEnum'); |
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160 | |
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161 | /** |
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162 | * option: Encoding of the XML document |
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163 | * |
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164 | * Possible values: |
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165 | * - UTF-8 |
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166 | * - ISO-8859-1 |
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167 | */ |
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168 | define('XML_UNSERIALIZER_OPTION_ENCODING_SOURCE', 'encoding'); |
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169 | |
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170 | /** |
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171 | * option: Desired target encoding of the data |
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172 | * |
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173 | * Possible values: |
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174 | * - UTF-8 |
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175 | * - ISO-8859-1 |
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176 | */ |
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177 | define('XML_UNSERIALIZER_OPTION_ENCODING_TARGET', 'targetEncoding'); |
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178 | |
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179 | /** |
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180 | * option: Callback that will be applied to textual data |
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181 | * |
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182 | * Possible values: |
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183 | * - any valid PHP callback |
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184 | */ |
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185 | define('XML_UNSERIALIZER_OPTION_DECODE_FUNC', 'decodeFunction'); |
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186 | |
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187 | /** |
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188 | * option: whether to return the result of the unserialization from unserialize() |
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189 | * |
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190 | * Possible values: |
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191 | * - true |
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192 | * - false (default) |
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193 | */ |
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194 | define('XML_UNSERIALIZER_OPTION_RETURN_RESULT', 'returnResult'); |
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195 | |
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196 | /** |
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197 | * option: set the whitespace behaviour |
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198 | * |
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199 | * Possible values: |
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200 | * - XML_UNSERIALIZER_WHITESPACE_KEEP |
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201 | * - XML_UNSERIALIZER_WHITESPACE_TRIM |
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202 | * - XML_UNSERIALIZER_WHITESPACE_NORMALIZE |
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203 | */ |
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204 | define('XML_UNSERIALIZER_OPTION_WHITESPACE', 'whitespace'); |
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205 | |
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206 | /** |
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207 | * Keep all whitespace |
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208 | */ |
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209 | define('XML_UNSERIALIZER_WHITESPACE_KEEP', 'keep'); |
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210 | |
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211 | /** |
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212 | * remove whitespace from start and end of the data |
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213 | */ |
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214 | define('XML_UNSERIALIZER_WHITESPACE_TRIM', 'trim'); |
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215 | |
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216 | /** |
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217 | * normalize whitespace |
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218 | */ |
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219 | define('XML_UNSERIALIZER_WHITESPACE_NORMALIZE', 'normalize'); |
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220 | |
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221 | /** |
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222 | * option: whether to ovverride all options that have been set before |
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223 | * |
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224 | * Possible values: |
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225 | * - true |
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226 | * - false (default) |
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227 | */ |
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228 | define('XML_UNSERIALIZER_OPTION_OVERRIDE_OPTIONS', 'overrideOptions'); |
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229 | |
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230 | /** |
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231 | * option: list of tags, that will not be used as keys |
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232 | */ |
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233 | define('XML_UNSERIALIZER_OPTION_IGNORE_KEYS', 'ignoreKeys'); |
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234 | |
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235 | /** |
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236 | * option: whether to use type guessing for scalar values |
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237 | */ |
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238 | define('XML_UNSERIALIZER_OPTION_GUESS_TYPES', 'guessTypes'); |
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239 | |
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240 | /** |
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241 | * error code for no serialization done |
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242 | */ |
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243 | define('XML_UNSERIALIZER_ERROR_NO_UNSERIALIZATION', 151); |
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244 | |
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245 | /** |
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246 | * XML_Unserializer |
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247 | * |
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248 | * class to unserialize XML documents that have been created with |
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249 | * XML_Serializer. To unserialize an XML document you have to add |
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250 | * type hints to the XML_Serializer options. |
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251 | * |
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252 | * If no type hints are available, XML_Unserializer will guess how |
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253 | * the tags should be treated, that means complex structures will be |
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254 | * arrays and tags with only CData in them will be strings. |
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255 | * |
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256 | * <code> |
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257 | * require_once 'XML/Unserializer.php'; |
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258 | * |
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259 | * // be careful to always use the ampersand in front of the new operator |
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260 | * $unserializer = &new XML_Unserializer(); |
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261 | * |
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262 | * $unserializer->unserialize($xml); |
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263 | * |
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264 | * $data = $unserializer->getUnserializedData(); |
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265 | * </code> |
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266 | * |
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267 | * @category XML |
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268 | * @package XML_Serializer |
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269 | * @author Stephan Schmidt <schst@php.net> |
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270 | * @copyright 2003-2008 Stephan Schmidt <schst@php.net> |
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271 | * @license http://opensource.org/licenses/bsd-license New BSD License |
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272 | * @version Release: @package_version@ |
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273 | * @link http://pear.php.net/package/XML_Serializer |
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274 | * @see XML_Serializer |
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275 | */ |
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276 | class XML_Unserializer extends PEAR |
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277 | { |
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278 | /** |
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279 | * list of all available options |
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280 | * |
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281 | * @access private |
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282 | * @var array |
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283 | */ |
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284 | var $_knownOptions = array( |
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285 | XML_UNSERIALIZER_OPTION_COMPLEXTYPE, |
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286 | XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY, |
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287 | XML_UNSERIALIZER_OPTION_ATTRIBUTE_TYPE, |
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288 | XML_UNSERIALIZER_OPTION_ATTRIBUTE_CLASS, |
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289 | XML_UNSERIALIZER_OPTION_TAG_AS_CLASSNAME, |
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290 | XML_UNSERIALIZER_OPTION_DEFAULT_CLASS, |
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291 | XML_UNSERIALIZER_OPTION_ATTRIBUTES_PARSE, |
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292 | XML_UNSERIALIZER_OPTION_ATTRIBUTES_ARRAYKEY, |
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293 | XML_UNSERIALIZER_OPTION_ATTRIBUTES_PREPEND, |
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294 | XML_UNSERIALIZER_OPTION_CONTENT_KEY, |
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295 | XML_UNSERIALIZER_OPTION_TAG_MAP, |
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296 | XML_UNSERIALIZER_OPTION_FORCE_ENUM, |
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297 | XML_UNSERIALIZER_OPTION_ENCODING_SOURCE, |
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298 | XML_UNSERIALIZER_OPTION_ENCODING_TARGET, |
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299 | XML_UNSERIALIZER_OPTION_DECODE_FUNC, |
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300 | XML_UNSERIALIZER_OPTION_RETURN_RESULT, |
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301 | XML_UNSERIALIZER_OPTION_WHITESPACE, |
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302 | XML_UNSERIALIZER_OPTION_IGNORE_KEYS, |
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303 | XML_UNSERIALIZER_OPTION_GUESS_TYPES |
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304 | ); |
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305 | /** |
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306 | * default options for the serialization |
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307 | * |
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308 | * @access private |
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309 | * @var array |
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310 | */ |
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311 | var $_defaultOptions = array( |
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312 | // complex types will be converted to arrays, if no type hint is given |
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313 | XML_UNSERIALIZER_OPTION_COMPLEXTYPE => 'array', |
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314 | |
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315 | // get array key/property name from this attribute |
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316 | XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY => '_originalKey', |
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317 | |
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318 | // get type from this attribute |
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319 | XML_UNSERIALIZER_OPTION_ATTRIBUTE_TYPE => '_type', |
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320 | |
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321 | // get class from this attribute (if not given, use tag name) |
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322 | XML_UNSERIALIZER_OPTION_ATTRIBUTE_CLASS => '_class', |
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323 | |
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324 | // use the tagname as the classname |
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325 | XML_UNSERIALIZER_OPTION_TAG_AS_CLASSNAME => true, |
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326 | |
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327 | // name of the class that is used to create objects |
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328 | XML_UNSERIALIZER_OPTION_DEFAULT_CLASS => 'stdClass', |
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329 | |
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330 | // parse the attributes of the tag into an array |
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331 | XML_UNSERIALIZER_OPTION_ATTRIBUTES_PARSE => false, |
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332 | |
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333 | // parse them into sperate array (specify name of array here) |
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334 | XML_UNSERIALIZER_OPTION_ATTRIBUTES_ARRAYKEY => false, |
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335 | |
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336 | // prepend attribute names with this string |
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337 | XML_UNSERIALIZER_OPTION_ATTRIBUTES_PREPEND => '', |
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338 | |
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339 | // put cdata found in a tag that has been converted |
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340 | // to a complex type in this key |
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341 | XML_UNSERIALIZER_OPTION_CONTENT_KEY => '_content', |
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342 | |
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343 | // use this to map tagnames |
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344 | XML_UNSERIALIZER_OPTION_TAG_MAP => array(), |
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345 | |
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346 | // these tags will always be an indexed array |
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347 | XML_UNSERIALIZER_OPTION_FORCE_ENUM => array(), |
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348 | |
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349 | // specify the encoding character of the document to parse |
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350 | XML_UNSERIALIZER_OPTION_ENCODING_SOURCE => null, |
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351 | |
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352 | // specify the target encoding |
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353 | XML_UNSERIALIZER_OPTION_ENCODING_TARGET => null, |
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354 | |
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355 | // function used to decode data |
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356 | XML_UNSERIALIZER_OPTION_DECODE_FUNC => null, |
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357 | |
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358 | // unserialize() returns the result of the unserialization instead of true |
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359 | XML_UNSERIALIZER_OPTION_RETURN_RESULT => false, |
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360 | |
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361 | // remove whitespace around data |
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362 | XML_UNSERIALIZER_OPTION_WHITESPACE => XML_UNSERIALIZER_WHITESPACE_TRIM, |
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363 | |
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364 | // List of tags that will automatically be added to the parent, |
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365 | // instead of adding a new key |
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366 | XML_UNSERIALIZER_OPTION_IGNORE_KEYS => array(), |
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367 | |
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368 | // Whether to use type guessing |
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369 | XML_UNSERIALIZER_OPTION_GUESS_TYPES => false |
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370 | ); |
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371 | |
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372 | /** |
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373 | * current options for the serialization |
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374 | * |
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375 | * @access public |
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376 | * @var array |
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377 | */ |
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378 | var $options = array(); |
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379 | |
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380 | /** |
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381 | * unserialized data |
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382 | * |
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383 | * @access private |
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384 | * @var string |
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385 | */ |
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386 | var $_unserializedData = null; |
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387 | |
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388 | /** |
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389 | * name of the root tag |
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390 | * |
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391 | * @access private |
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392 | * @var string |
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393 | */ |
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394 | var $_root = null; |
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395 | |
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396 | /** |
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397 | * stack for all data that is found |
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398 | * |
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399 | * @access private |
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400 | * @var array |
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401 | */ |
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402 | var $_dataStack = array(); |
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403 | |
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404 | /** |
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405 | * stack for all values that are generated |
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406 | * |
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407 | * @access private |
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408 | * @var array |
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409 | */ |
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410 | var $_valStack = array(); |
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411 | |
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412 | /** |
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413 | * current tag depth |
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414 | * |
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415 | * @access private |
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416 | * @var int |
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417 | */ |
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418 | var $_depth = 0; |
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419 | |
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420 | /** |
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421 | * XML_Parser instance |
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422 | * |
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423 | * @access private |
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424 | * @var object XML_Parser |
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425 | */ |
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426 | var $_parser = null; |
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427 | |
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428 | /** |
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429 | * constructor |
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430 | * |
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431 | * @param mixed $options array containing options for the unserialization |
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432 | * |
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433 | * @access public |
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434 | */ |
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435 | function XML_Unserializer($options = null) |
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436 | { |
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437 | if (is_array($options)) { |
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438 | $this->options = array_merge($this->_defaultOptions, $options); |
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439 | } else { |
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440 | $this->options = $this->_defaultOptions; |
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441 | } |
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442 | } |
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443 | |
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444 | /** |
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445 | * return API version |
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446 | * |
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447 | * @access public |
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448 | * @return string $version API version |
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449 | * @static |
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450 | */ |
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451 | function apiVersion() |
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452 | { |
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453 | return '@package_version@'; |
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454 | } |
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455 | |
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456 | /** |
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457 | * reset all options to default options |
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458 | * |
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459 | * @return void |
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460 | * @access public |
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461 | * @see setOption(), XML_Unserializer(), setOptions() |
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462 | */ |
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463 | function resetOptions() |
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464 | { |
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465 | $this->options = $this->_defaultOptions; |
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466 | } |
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467 | |
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468 | /** |
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469 | * set an option |
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470 | * |
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471 | * You can use this method if you do not want |
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472 | * to set all options in the constructor |
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473 | * |
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474 | * @param string $name name of option |
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475 | * @param mixed $value value of option |
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476 | * |
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477 | * @return void |
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478 | * @access public |
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479 | * @see resetOption(), XML_Unserializer(), setOptions() |
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480 | */ |
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481 | function setOption($name, $value) |
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482 | { |
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483 | $this->options[$name] = $value; |
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484 | } |
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485 | |
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486 | /** |
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487 | * sets several options at once |
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488 | * |
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489 | * You can use this method if you do not want |
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490 | * to set all options in the constructor |
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491 | * |
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492 | * @param array $options options array |
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493 | * |
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494 | * @return void |
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495 | * @access public |
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496 | * @see resetOption(), XML_Unserializer(), setOption() |
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497 | */ |
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498 | function setOptions($options) |
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499 | { |
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500 | $this->options = array_merge($this->options, $options); |
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501 | } |
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502 | |
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503 | /** |
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504 | * unserialize data |
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505 | * |
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506 | * @param mixed $data data to unserialize (string, filename or resource) |
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507 | * @param boolean $isFile data should be treated as a file |
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508 | * @param array $options options that will override |
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509 | * the global options for this call |
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510 | * |
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511 | * @return boolean $success |
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512 | * @access public |
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513 | */ |
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514 | function unserialize($data, $isFile = false, $options = null) |
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515 | { |
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516 | $this->_unserializedData = null; |
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517 | $this->_root = null; |
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518 | |
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519 | // if options have been specified, use them instead |
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520 | // of the previously defined ones |
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521 | if (is_array($options)) { |
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522 | $optionsBak = $this->options; |
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523 | if (isset($options[XML_UNSERIALIZER_OPTION_OVERRIDE_OPTIONS]) |
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524 | && $options[XML_UNSERIALIZER_OPTION_OVERRIDE_OPTIONS] == true |
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525 | ) { |
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526 | $this->options = array_merge($this->_defaultOptions, $options); |
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527 | } else { |
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528 | $this->options = array_merge($this->options, $options); |
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529 | } |
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530 | } else { |
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531 | $optionsBak = null; |
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532 | } |
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533 | |
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534 | $this->_valStack = array(); |
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535 | $this->_dataStack = array(); |
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536 | $this->_depth = 0; |
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537 | |
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538 | $this->_createParser(); |
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539 | |
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540 | if (is_string($data)) { |
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541 | if ($isFile) { |
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542 | $result = $this->_parser->setInputFile($data); |
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543 | if (PEAR::isError($result)) { |
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544 | return $result; |
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545 | } |
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546 | $result = $this->_parser->parse(); |
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547 | } else { |
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548 | $result = $this->_parser->parseString($data, true); |
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549 | } |
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550 | } else { |
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551 | $this->_parser->setInput($data); |
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552 | $result = $this->_parser->parse(); |
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553 | } |
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554 | |
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555 | if ($this->options[XML_UNSERIALIZER_OPTION_RETURN_RESULT] === true) { |
---|
556 | $return = $this->_unserializedData; |
---|
557 | } else { |
---|
558 | $return = true; |
---|
559 | } |
---|
560 | |
---|
561 | if ($optionsBak !== null) { |
---|
562 | $this->options = $optionsBak; |
---|
563 | } |
---|
564 | |
---|
565 | if (PEAR::isError($result)) { |
---|
566 | return $result; |
---|
567 | } |
---|
568 | |
---|
569 | return $return; |
---|
570 | } |
---|
571 | |
---|
572 | /** |
---|
573 | * get the result of the serialization |
---|
574 | * |
---|
575 | * @access public |
---|
576 | * @return string $serializedData |
---|
577 | */ |
---|
578 | function getUnserializedData() |
---|
579 | { |
---|
580 | if ($this->_root === null) { |
---|
581 | return $this->raiseError('No unserialized data available. ' |
---|
582 | . 'Use XML_Unserializer::unserialize() first.', |
---|
583 | XML_UNSERIALIZER_ERROR_NO_UNSERIALIZATION); |
---|
584 | } |
---|
585 | return $this->_unserializedData; |
---|
586 | } |
---|
587 | |
---|
588 | /** |
---|
589 | * get the name of the root tag |
---|
590 | * |
---|
591 | * @access public |
---|
592 | * @return string $rootName |
---|
593 | */ |
---|
594 | function getRootName() |
---|
595 | { |
---|
596 | if ($this->_root === null) { |
---|
597 | return $this->raiseError('No unserialized data available. ' |
---|
598 | . 'Use XML_Unserializer::unserialize() first.', |
---|
599 | XML_UNSERIALIZER_ERROR_NO_UNSERIALIZATION); |
---|
600 | } |
---|
601 | return $this->_root; |
---|
602 | } |
---|
603 | |
---|
604 | /** |
---|
605 | * Start element handler for XML parser |
---|
606 | * |
---|
607 | * @param object $parser XML parser object |
---|
608 | * @param string $element XML element |
---|
609 | * @param array $attribs attributes of XML tag |
---|
610 | * |
---|
611 | * @return void |
---|
612 | * @access private |
---|
613 | */ |
---|
614 | function startHandler($parser, $element, $attribs) |
---|
615 | { |
---|
616 | if (isset($attribs[$this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_TYPE]]) |
---|
617 | ) { |
---|
618 | $type = $attribs[$this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_TYPE]]; |
---|
619 | |
---|
620 | $guessType = false; |
---|
621 | } else { |
---|
622 | $type = 'string'; |
---|
623 | if ($this->options[XML_UNSERIALIZER_OPTION_GUESS_TYPES] === true) { |
---|
624 | $guessType = true; |
---|
625 | } else { |
---|
626 | $guessType = false; |
---|
627 | } |
---|
628 | } |
---|
629 | |
---|
630 | if ($this->options[XML_UNSERIALIZER_OPTION_DECODE_FUNC] !== null) { |
---|
631 | $attribs = array_map($this->options[XML_UNSERIALIZER_OPTION_DECODE_FUNC], |
---|
632 | $attribs); |
---|
633 | } |
---|
634 | |
---|
635 | $this->_depth++; |
---|
636 | $this->_dataStack[$this->_depth] = null; |
---|
637 | |
---|
638 | if (is_array($this->options[XML_UNSERIALIZER_OPTION_TAG_MAP]) |
---|
639 | && isset($this->options[XML_UNSERIALIZER_OPTION_TAG_MAP][$element]) |
---|
640 | ) { |
---|
641 | $element = $this->options[XML_UNSERIALIZER_OPTION_TAG_MAP][$element]; |
---|
642 | } |
---|
643 | |
---|
644 | $val = array( |
---|
645 | 'name' => $element, |
---|
646 | 'value' => null, |
---|
647 | 'type' => $type, |
---|
648 | 'guessType' => $guessType, |
---|
649 | 'childrenKeys' => array(), |
---|
650 | 'aggregKeys' => array() |
---|
651 | ); |
---|
652 | |
---|
653 | if ($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTES_PARSE] == true |
---|
654 | && (count($attribs) > 0) |
---|
655 | ) { |
---|
656 | $val['children'] = array(); |
---|
657 | $val['type'] = $this->_getComplexType($element); |
---|
658 | $val['class'] = $element; |
---|
659 | |
---|
660 | if ($this->options[XML_UNSERIALIZER_OPTION_GUESS_TYPES] === true) { |
---|
661 | $attribs = $this->_guessAndSetTypes($attribs); |
---|
662 | } |
---|
663 | if ($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTES_ARRAYKEY] != false |
---|
664 | ) { |
---|
665 | $val['children'][$this-> |
---|
666 | options[XML_UNSERIALIZER_OPTION_ATTRIBUTES_ARRAYKEY]] = $attribs; |
---|
667 | } else { |
---|
668 | foreach ($attribs as $attrib => $value) { |
---|
669 | $val['children'][$this-> |
---|
670 | options[XML_UNSERIALIZER_OPTION_ATTRIBUTES_PREPEND] |
---|
671 | . $attrib] = $value; |
---|
672 | } |
---|
673 | } |
---|
674 | } |
---|
675 | |
---|
676 | $keyAttr = false; |
---|
677 | |
---|
678 | if (is_string($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY])) { |
---|
679 | $keyAttr = $this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY]; |
---|
680 | } elseif (is_array($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY])) { |
---|
681 | if (isset($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY] |
---|
682 | [$element]) |
---|
683 | ) { |
---|
684 | $keyAttr = |
---|
685 | $this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY][$element]; |
---|
686 | } elseif (isset($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY] |
---|
687 | ['#default']) |
---|
688 | ) { |
---|
689 | $keyAttr = $this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY] |
---|
690 | ['#default']; |
---|
691 | } elseif (isset($this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY] |
---|
692 | ['__default']) |
---|
693 | ) { |
---|
694 | // keep this for BC |
---|
695 | $keyAttr = |
---|
696 | $this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_KEY] |
---|
697 | ['__default']; |
---|
698 | } |
---|
699 | } |
---|
700 | |
---|
701 | if ($keyAttr !== false && isset($attribs[$keyAttr])) { |
---|
702 | $val['name'] = $attribs[$keyAttr]; |
---|
703 | } |
---|
704 | |
---|
705 | if (isset($attribs[$this-> |
---|
706 | options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_CLASS]]) |
---|
707 | ) { |
---|
708 | $val['class'] = |
---|
709 | $attribs[$this->options[XML_UNSERIALIZER_OPTION_ATTRIBUTE_CLASS]]; |
---|
710 | } |
---|
711 | |
---|
712 | array_push($this->_valStack, $val); |
---|
713 | } |
---|
714 | |
---|
715 | /** |
---|
716 | * Try to guess the type of several values and |
---|
717 | * set them accordingly |
---|
718 | * |
---|
719 | * @param array $array array containing the values |
---|
720 | * |
---|
721 | * @return array array, containing the values with their correct types |
---|
722 | * @access private |
---|
723 | */ |
---|
724 | function _guessAndSetTypes($array) |
---|
725 | { |
---|
726 | foreach ($array as $key => $value) { |
---|
727 | $array[$key] = $this->_guessAndSetType($value); |
---|
728 | } |
---|
729 | return $array; |
---|
730 | } |
---|
731 | |
---|
732 | /** |
---|
733 | * Try to guess the type of a value and |
---|
734 | * set it accordingly |
---|
735 | * |
---|
736 | * @param string $value character data |
---|
737 | * |
---|
738 | * @return mixed value with the best matching type |
---|
739 | * @access private |
---|
740 | */ |
---|
741 | function _guessAndSetType($value) |
---|
742 | { |
---|
743 | if ($value === 'true') { |
---|
744 | return true; |
---|
745 | } |
---|
746 | if ($value === 'false') { |
---|
747 | return false; |
---|
748 | } |
---|
749 | if ($value === 'NULL') { |
---|
750 | return null; |
---|
751 | } |
---|
752 | if (preg_match('/^[-+]?[0-9]{1,}\\z/', $value)) { |
---|
753 | return intval($value); |
---|
754 | } |
---|
755 | if (preg_match('/^[-+]?[0-9]{1,}\.[0-9]{1,}\\z/', $value)) { |
---|
756 | return doubleval($value); |
---|
757 | } |
---|
758 | return (string)$value; |
---|
759 | } |
---|
760 | |
---|
761 | /** |
---|
762 | * End element handler for XML parser |
---|
763 | * |
---|
764 | * @param object $parser XML parser object |
---|
765 | * @param string $element element |
---|
766 | * |
---|
767 | * @return void |
---|
768 | * @access private |
---|
769 | */ |
---|
770 | function endHandler($parser, $element) |
---|
771 | { |
---|
772 | $value = array_pop($this->_valStack); |
---|
773 | switch ($this->options[XML_UNSERIALIZER_OPTION_WHITESPACE]) { |
---|
774 | case XML_UNSERIALIZER_WHITESPACE_KEEP: |
---|
775 | $data = $this->_dataStack[$this->_depth]; |
---|
776 | break; |
---|
777 | case XML_UNSERIALIZER_WHITESPACE_NORMALIZE: |
---|
778 | $data = trim(preg_replace('/\s\s+/m', ' ', |
---|
779 | $this->_dataStack[$this->_depth])); |
---|
780 | break; |
---|
781 | case XML_UNSERIALIZER_WHITESPACE_TRIM: |
---|
782 | default: |
---|
783 | $data = trim($this->_dataStack[$this->_depth]); |
---|
784 | break; |
---|
785 | } |
---|
786 | |
---|
787 | // adjust type of the value |
---|
788 | switch(strtolower($value['type'])) { |
---|
789 | |
---|
790 | // unserialize an object |
---|
791 | case 'object': |
---|
792 | if (isset($value['class'])) { |
---|
793 | $classname = $value['class']; |
---|
794 | } else { |
---|
795 | $classname = ''; |
---|
796 | } |
---|
797 | // instantiate the class |
---|
798 | if ($this->options[XML_UNSERIALIZER_OPTION_TAG_AS_CLASSNAME] === true |
---|
799 | && class_exists($classname) |
---|
800 | ) { |
---|
801 | $value['value'] = new $classname; |
---|
802 | } else { |
---|
803 | $value['value'] = |
---|
804 | new $this->options[XML_UNSERIALIZER_OPTION_DEFAULT_CLASS]; |
---|
805 | } |
---|
806 | if (trim($data) !== '') { |
---|
807 | if ($value['guessType'] === true) { |
---|
808 | $data = $this->_guessAndSetType($data); |
---|
809 | } |
---|
810 | $value['children'][$this-> |
---|
811 | options[XML_UNSERIALIZER_OPTION_CONTENT_KEY]] = $data; |
---|
812 | } |
---|
813 | |
---|
814 | // set properties |
---|
815 | foreach ($value['children'] as $prop => $propVal) { |
---|
816 | // check whether there is a special method to set this property |
---|
817 | $setMethod = 'set'.$prop; |
---|
818 | if (method_exists($value['value'], $setMethod)) { |
---|
819 | call_user_func(array(&$value['value'], $setMethod), $propVal); |
---|
820 | } else { |
---|
821 | $value['value']->$prop = $propVal; |
---|
822 | } |
---|
823 | } |
---|
824 | // check for magic function |
---|
825 | if (method_exists($value['value'], '__wakeup')) { |
---|
826 | $value['value']->__wakeup(); |
---|
827 | } |
---|
828 | break; |
---|
829 | |
---|
830 | // unserialize an array |
---|
831 | case 'array': |
---|
832 | if (trim($data) !== '') { |
---|
833 | if ($value['guessType'] === true) { |
---|
834 | $data = $this->_guessAndSetType($data); |
---|
835 | } |
---|
836 | $value['children'][$this-> |
---|
837 | options[XML_UNSERIALIZER_OPTION_CONTENT_KEY]] = $data; |
---|
838 | } |
---|
839 | if (isset($value['children'])) { |
---|
840 | $value['value'] = $value['children']; |
---|
841 | } else { |
---|
842 | $value['value'] = array(); |
---|
843 | } |
---|
844 | break; |
---|
845 | |
---|
846 | // unserialize a null value |
---|
847 | case 'null': |
---|
848 | $data = null; |
---|
849 | break; |
---|
850 | |
---|
851 | // unserialize a resource => this is not possible :-( |
---|
852 | case 'resource': |
---|
853 | $value['value'] = $data; |
---|
854 | break; |
---|
855 | |
---|
856 | // unserialize any scalar value |
---|
857 | default: |
---|
858 | if ($value['guessType'] === true) { |
---|
859 | $data = $this->_guessAndSetType($data); |
---|
860 | } else { |
---|
861 | settype($data, $value['type']); |
---|
862 | } |
---|
863 | |
---|
864 | $value['value'] = $data; |
---|
865 | break; |
---|
866 | } |
---|
867 | $parent = array_pop($this->_valStack); |
---|
868 | if ($parent === null) { |
---|
869 | $this->_unserializedData = &$value['value']; |
---|
870 | $this->_root = &$value['name']; |
---|
871 | return true; |
---|
872 | } else { |
---|
873 | // parent has to be an array |
---|
874 | if (!isset($parent['children']) || !is_array($parent['children'])) { |
---|
875 | $parent['children'] = array(); |
---|
876 | if (!in_array($parent['type'], array('array', 'object'))) { |
---|
877 | $parent['type'] = $this->_getComplexType($parent['name']); |
---|
878 | if ($parent['type'] == 'object') { |
---|
879 | $parent['class'] = $parent['name']; |
---|
880 | } |
---|
881 | } |
---|
882 | } |
---|
883 | |
---|
884 | if (in_array($element, |
---|
885 | $this->options[XML_UNSERIALIZER_OPTION_IGNORE_KEYS]) |
---|
886 | ) { |
---|
887 | $ignoreKey = true; |
---|
888 | } else { |
---|
889 | $ignoreKey = false; |
---|
890 | } |
---|
891 | |
---|
892 | if (!empty($value['name']) && $ignoreKey === false) { |
---|
893 | // there already has been a tag with this name |
---|
894 | if (in_array($value['name'], $parent['childrenKeys']) |
---|
895 | || in_array($value['name'], |
---|
896 | $this->options[XML_UNSERIALIZER_OPTION_FORCE_ENUM]) |
---|
897 | ) { |
---|
898 | // no aggregate has been created for this tag |
---|
899 | if (!in_array($value['name'], $parent['aggregKeys'])) { |
---|
900 | if (isset($parent['children'][$value['name']])) { |
---|
901 | $parent['children'][$value['name']] = |
---|
902 | array($parent['children'][$value['name']]); |
---|
903 | } else { |
---|
904 | $parent['children'][$value['name']] = array(); |
---|
905 | } |
---|
906 | array_push($parent['aggregKeys'], $value['name']); |
---|
907 | } |
---|
908 | array_push($parent['children'][$value['name']], $value['value']); |
---|
909 | } else { |
---|
910 | $parent['children'][$value['name']] = &$value['value']; |
---|
911 | array_push($parent['childrenKeys'], $value['name']); |
---|
912 | } |
---|
913 | } else { |
---|
914 | array_push($parent['children'], $value['value']); |
---|
915 | } |
---|
916 | array_push($this->_valStack, $parent); |
---|
917 | } |
---|
918 | |
---|
919 | $this->_depth--; |
---|
920 | } |
---|
921 | |
---|
922 | /** |
---|
923 | * Handler for character data |
---|
924 | * |
---|
925 | * @param object $parser XML parser object |
---|
926 | * @param string $cdata CDATA |
---|
927 | * |
---|
928 | * @return void |
---|
929 | * @access private |
---|
930 | */ |
---|
931 | function cdataHandler($parser, $cdata) |
---|
932 | { |
---|
933 | if ($this->options[XML_UNSERIALIZER_OPTION_DECODE_FUNC] !== null) { |
---|
934 | $cdata = call_user_func($this-> |
---|
935 | options[XML_UNSERIALIZER_OPTION_DECODE_FUNC], $cdata); |
---|
936 | } |
---|
937 | $this->_dataStack[$this->_depth] .= $cdata; |
---|
938 | } |
---|
939 | |
---|
940 | /** |
---|
941 | * get the complex type, that should be used for a specified tag |
---|
942 | * |
---|
943 | * @param string $tagname name of the tag |
---|
944 | * |
---|
945 | * @return string complex type ('array' or 'object') |
---|
946 | * @access private |
---|
947 | */ |
---|
948 | function _getComplexType($tagname) |
---|
949 | { |
---|
950 | if (is_string($this->options[XML_UNSERIALIZER_OPTION_COMPLEXTYPE])) { |
---|
951 | return $this->options[XML_UNSERIALIZER_OPTION_COMPLEXTYPE]; |
---|
952 | } |
---|
953 | if (isset($this->options[XML_UNSERIALIZER_OPTION_COMPLEXTYPE][$tagname])) { |
---|
954 | return $this->options[XML_UNSERIALIZER_OPTION_COMPLEXTYPE][$tagname]; |
---|
955 | } |
---|
956 | if (isset($this->options[XML_UNSERIALIZER_OPTION_COMPLEXTYPE]['#default'])) { |
---|
957 | return $this->options[XML_UNSERIALIZER_OPTION_COMPLEXTYPE]['#default']; |
---|
958 | } |
---|
959 | return 'array'; |
---|
960 | } |
---|
961 | |
---|
962 | /** |
---|
963 | * create the XML_Parser instance |
---|
964 | * |
---|
965 | * @return boolean |
---|
966 | * @access private |
---|
967 | */ |
---|
968 | function _createParser() |
---|
969 | { |
---|
970 | if (is_object($this->_parser)) { |
---|
971 | $this->_parser->free(); |
---|
972 | unset($this->_parser); |
---|
973 | } |
---|
974 | $this->_parser = new XML_Parser($this-> |
---|
975 | options[XML_UNSERIALIZER_OPTION_ENCODING_SOURCE], |
---|
976 | 'event', $this->options[XML_UNSERIALIZER_OPTION_ENCODING_TARGET]); |
---|
977 | |
---|
978 | $this->_parser->folding = false; |
---|
979 | $this->_parser->setHandlerObj($this); |
---|
980 | return true; |
---|
981 | } |
---|
982 | } |
---|
983 | ?> |
---|