annotate InputParser.inc @ 112:4854db07f14f

Fix bug when creating sitemaps introduced when adding common element.
author Tom Fredrik "BFG" Klaussen <bfg@blenning.no>
date Tue, 15 Mar 2016 15:11:37 +0100
parents adf7b11921f4
children 374e3eff07fd
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1 <?php
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2 /// @cond
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3 $baseDir = dirname(__FILE__);
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4 $cache = ScriptIncludeCache::instance(__FILE__);
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5 $cache->includeOnce('Page.inc', dirname(__FILE__));
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6 /// @endcond
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7
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8 /**
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9 * Functionality for translating an XML configuration document into a webpage
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10 */
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11 class InputParser extends Page
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12 {
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13 private $options;
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14 private $master;
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16 /**
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17 * Constructs a new InputParser object
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18 *
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19 * @param $name name of file to read configuration from
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20 *
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21 * @param $masterCache CacheTimeCheck cache object to use as parent
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22 * for this inputParsercache
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23 */
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24 function __construct($name, $masterCache) {
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25 $this->master = new DOMDocument();
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26 $cache = new CacheTimeCheck($name);
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27 $cache->addParent($masterCache);
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28 parent::setCache($cache);
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29 $this->master->load($name);
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30
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31 $this->options = new Options($this->master);
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32 $this->options->setCache($cache);
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33 $this->options->setBasePath(basePath());
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34 $this->options->setCacheable(true);
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35
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36 $this->options->setUrlParams(array('name', 'lang'));
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37
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38 if(array_key_exists('lang', $_GET) && $_GET['lang']) {
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39 $this->options->setLang($_GET['lang']);
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40 }
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41 else {
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42 if (count($this->options->getAcceptedLanguages()) > 1)
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43 $this->addVariant('Accept-Language');
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44 $this->options->setLang($this->options->getDefaultLang());
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45 }
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46
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47 if(array_key_exists('name', $_GET) && $_GET['name']) {
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48 $this->options->setName($_GET['name']);
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49 }
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50
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51 $params = $this->master->getElementsByTagName("param");
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52
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53 foreach ($params as $param) {
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54 if ($param->getAttribute("type") == "input") {
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55 $doc = self::getInput($this->master, $param, $this->options);
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56
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57 $parent = $param->parentNode;
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58 foreach ($doc->firstChild->childNodes as $child) {
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59 $clonedChild = $this->master->importNode($child, true);
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60 $parent->insertBefore($clonedChild, $param);
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61 }
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62 $parent->removeChild($param);
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63 }
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64 }
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65 $this->master = self::getFiles($this->master, $this->options);
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66 $cache->setMaxAge(0);
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67 }
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69 function cacheCheck()
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70 {
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71 return $this->options->getCacheable();
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72 }
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73
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74 /**
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75 * Generate an appropriate response for this page, eg. 302 NOT
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76 * MODIFIED or the actual page
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77 */
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78 function generateContent()
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79 {
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80 //We may need to set and check the contenttype and replace
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81 //saveHTML with saveXML
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82 $retVal = new PageContent($this->master->saveHTML($this->master));
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83 $retVal->setHeader('Content-Language', $this->options->getLang());
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84 return $retVal;
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85 }
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86
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87 /**
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88 * Extracts data from a @<param@> tag.
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89 *
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90 * @param $param the param tag
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91 *
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92 * @return if the type is array, return an array, otherwise return a
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93 * scalar
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94 */
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95 static function getParam($param)
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96 {
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97 $param_type = $param->getAttribute("type");
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98 $param_value;
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99 if (! $param_type)
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100 $param_type = "scalar";
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101
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102 if($param_type == "scalar") {
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103 $param_subst = $param->getAttribute("subst");
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104 $param_value = $param->getAttribute("value");
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105 if ($param_subst) {
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106 /*
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107 $param_value=preg_replace("/name/", $name, $param_subst);
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108 $param_value=preg_replace('/lang/', $lang, $param_value);
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109 */
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110 }
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111 }
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112 elseif($param_type == "array") {
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113 $params = $param->getElementsByTagName("param");
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114 $param_value = array();
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115 foreach ($param->childNodes as $param) {
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116 if ($param->nodeType == XML_ELEMENT_NODE) {
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117 array_push($param_value, self::getParam($param));
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118 }
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119 }
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120 }
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121 return $param_value;
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122 }
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123
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124 /**
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125 * This is the last processing stage for generating a file.
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126 *
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127 * @param $doc the document to be worked upon
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128 * @param $options an Options object for this file.
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129 *
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130 * @return This is the same as the input document, fully processed
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131 */
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132 static function getFiles($doc, $options) {
62
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133 $lang = $options->getLang();
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134 $conf = $options->getName();
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135
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136 $toRemove = array();
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137
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138 $topLevelTags = $doc->getElementsByTagName("toplevel");
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139 foreach ($topLevelTags as $topLevel) {
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140 $topLevel->parentNode->removeChild($topLevel);
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141 }
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142
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143 $valueDict = array();
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144 $fragments = array();
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145 $setters = $doc->getElementsByTagName("set");
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146 foreach ($setters as $setTag) {
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147 $key = $setTag->getAttribute("id");
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148 $type = $setTag->getAttribute("type");
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149 if ($type == "fragment") {
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150 $fragments[$key] = $setTag;
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151 }
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152 else {
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153 $value = $setTag->getAttribute("value");
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154 if ($key && $value) {
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155 $valueDict[$key] = $value;
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156 }
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157 }
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158 //We need to iterate in the opposite direction when removing,
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159 //so best shifting.
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160 array_unshift($toRemove, $setTag);
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161 }
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162
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163 $params = $doc->getElementsByTagName("param");
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164 foreach ($params as $param) {
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165 if ($param->getAttribute("type")=="input_config") {
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166 $id = $param->getAttribute("id");
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167 if (array_key_exists($id, $valueDict)) {
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168 $value = $valueDict[$id];
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169 $tmp = new DOMDocument();
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170
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171 $tmp->loadXml("<xml>${value}</xml>");
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172 $parent = $param->parentNode;
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173 $parent->insertBefore(new DOMText($tmp->textContent), $param);
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174 //We need to iterate in the opposite direction when removing,
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175 //so best shifting.
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176 array_unshift($toRemove, $param);
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177 }
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178 elseif (array_key_exists($id, $fragments)) {
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179 $fragment = $fragments[$id];
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180
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181 $cloneFragment = $fragment->cloneNode(true);
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182 $insNode = $param;
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183 for ($i = $cloneFragment->childNodes->length - 1; $i >= 0; $i--) {
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184 $child = $cloneFragment->childNodes->item($i);
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185 $child = $child->parentNode->removeChild($child);
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186 $insNode = $insNode->parentNode->insertBefore($child, $insNode);
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187 }
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188
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189 //We need to iterate in the opposite direction when removing,
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190 //so best shifting.
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191 array_unshift($toRemove, $param);
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192 }
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193 }
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194 }
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195
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196 foreach($toRemove as $param) {
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197 $parent = $param->parentNode;
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198 $parent->removeChild($param);
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199 }
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200
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201 $body = getElementByTagName($doc,"body");
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202 $files = $body->getElementsByTagName("file");
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203
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204 $toRemove = array();
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205
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206 foreach ($files as $file) {
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207 $script = $file->getAttribute("script");
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208 if ($script) {
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209 $options->setCacheable(false);
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210 $src="";
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211 $cwd = getcwd();
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212
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213 $matches=array();
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214 preg_match('/(.*\/)/', $script, $matches);
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215 $dirname=$matches[0];
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216 preg_match('/([^\/]*)$/', $script, $matches);
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217 $filename=$matches[0];
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218 chdir("${lang}/${dirname}");
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219 $pipe=popen("php ${filename}","r");
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220 $file_content = stream_get_contents($pipe);
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221 chdir("${cwd}");
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222 }
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223 else {
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224 $src = $file->getAttribute("src");
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225 $fname = $options->getBasePath() . "/${lang}/${src}";
107
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226 if (!file_exists($fname) ) {
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227 $fname = $options->getBasePath() . "/common/${src}";
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228 }
62
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229 $file_content = $options->getCache()->loadFile($fname);
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230 }
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231 if(floatval($file_content)<0) {
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232 errorPage("Resource not found '${lang}/${src}'");
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233 }
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234
62
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235 $filters = $file->getElementsByTagName("filter");
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236 foreach($filters as $filter) {
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237 $func = $filter->getAttribute("function");
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238 $params = $filter->getElementsByTagName("param");
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239 $callString = "\$file_content = ${func}(\$file_content, \$options";
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240 $param_values = array();
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241 $i = 0;
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242 foreach ($filter->childNodes as $param) {
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243 if ($param->nodeType == XML_ELEMENT_NODE)
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244 {
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245 $param_value[$i] = self::getParam($param);
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246 $callString .= ",\$param_value[$i]";
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247 $i++;
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248 }
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249 }
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250 $callString .= ");";
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251 eval($callString);
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252 }
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253 $ndoc = new DOMDocument();
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254
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255 $ndoc->loadXml("<xml>${file_content}</xml>");
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256
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257 $parent = $file->parentNode;
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258 foreach ($ndoc->firstChild->childNodes as $child) {
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259 $clonedChild = $doc->importNode($child, true);
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260 $parent->insertBefore($clonedChild, $file);
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261 }
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262
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263 //We need to iterate in the opposite direction when removing,
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264 //so best shifting.
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265 array_unshift($toRemove, $file);
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266 }
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267 foreach($toRemove as $param) {
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268 $parent = $param->parentNode;
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269 $parent->removeChild($param);
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270 }
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271
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272 return $doc;
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273 }
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274
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275 /**
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276 * Follows all include directives recursively for the specified
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277 * $param an generates an xml file.
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278 *
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279 * This function may be used to generate a file which has all the
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280 * necessary information to determine wether or not we may cache.
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281 *
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282 * @param $master The master document to be processed
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283 * @param $param the input tag to resolve
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284 * @param $options the options object for this file
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285 */
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286 function getInput($master, $param, $options)
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287 {
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288 $lang = $options->getLang();
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289 $name = $param->getAttribute("id");
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290 $conf = $options->getName();
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291 if (!$conf)
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292 $conf = $param->getAttribute("default");
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293
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294 $confFile = $options->getBasePath() . "/${lang}/${conf}.xml";
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295 if (! file_exists($confFile) ) {
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296 $confFile = $options->getBasePath() . "/common/${conf}.xml";
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297 }
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298
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299 $options->getCache()->cache_time($confFile);
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300 $doc = new DOMDocument();
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301 $doc->load($confFile);
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302
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303 $toplevel = $doc->getElementsByTagName("toplevel");
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304
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305 if(! $toplevel->length) {
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306 errorPage("Resource '${conf}' is not available", 500);
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307 }
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308
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309 $includes = $doc->getElementsByTagName("include");
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310 $recurse = 0;
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311
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312 while($includes->length > 0) {
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313 if(++$recurse > MAX_RECURSE) {
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314 errorPage('Recursion limit exceeded', 500);
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315 }
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316 foreach ($includes as $include) {
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317 $src = $include->getAttribute("src");
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318 $subdoc = new DOMDocument();
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319 $subfile = $options->getBasePath() . "/${lang}/${src}";
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320 if (! file_exists($subfile) ) {
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321 $subfile = $options->getBasePath() . "/common/${src}";
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322 }
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323 $subdoc->load("$subfile");
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324 $options->getCache()->cache_time($subfile);
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325 $parent = $include->parentNode;
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326 $xml = getElementByTagName($subdoc,"xml");
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327 foreach($xml->childNodes as $child) {
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328 $text = $subdoc->saveHTML($child);
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329 $clonedChild = $doc->importNode($child,true);
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330 $parent->insertBefore($clonedChild,$include);
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331 }
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332 $parent->removeChild($include);
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333 }
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334 $includes = $doc->getElementsByTagName("include");
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335 }
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336
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337 return $doc;
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338 }
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339 }
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340 ?>