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annotate inputParser.inc @ 51:2cfea6e84694

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Documentation update.
author Tom Fredrik Blenning Klaussen <bfg@blenning.no>
date Thu, 11 Oct 2012 00:06:26 +0200
parents bd82b719a0de
children 0e157721bbad
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1 <?php
51
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2 /**
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3 * @file
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4 * Functionality for translating an XML document into a webpage
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5 */
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6 function getParam($param)
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7 {
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8 $param_type=$param->getAttribute("type");
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9 $param_value;
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10 if (!$param_type)
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11 $param_type="scalar";
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13 if($param_type == "scalar") {
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14 $param_subst=$param->getAttribute("subst");
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15 $param_value=$param->getAttribute("value");
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16 if ($param_subst) {
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17 /*
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18 $param_value=preg_replace("/name/", $name, $param_subst);
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19 $param_value=preg_replace('/lang/', $lang, $param_value);
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20 */
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21 }
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22 }
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23 elseif($param_type == "array") {
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24 $params=$param->getElementsByTagName("param");
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25 $param_value=array();
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26 foreach ($param->childNodes as $param) {
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27 if ($param->nodeType == XML_ELEMENT_NODE)
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28 {
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29 array_push($param_value, getParam($param));
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30 }
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31 }
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32 }
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33 return $param_value;
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34 }
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35
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36 function getInput($master, $param, $options)
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37 {
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38 $out = '';
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39
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40 $lang = $options->getLang();
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41 $name = $param->getAttribute("id");
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42 $conf = $options->getName();
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43 if (!$conf)
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44 $conf = $param->getAttribute("default");
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45
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46 $confFile = $options->getBasePath() . "/${lang}/${conf}.xml";
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47 $options->getCache()->cache_time($confFile);
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48 $doc = new DOMDocument();
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49 $doc->load($confFile);
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50
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51 $toplevel = $doc->getElementsByTagName("toplevel");
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52
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53 if(! $toplevel->length) {
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54 errorPage("Resource '${conf}' is not available", 500);
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55 }
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56
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57 $includes = $doc->getElementsByTagName("include");
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58 $recurse = 0;
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59
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60 while($includes->length>0) {
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61 if(++$recurse > MAX_RECURSE) {
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62 errorPage('Recursion limit exceeded', 500);
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63 }
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64 foreach ($includes as $include) {
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65 $src = $include->getAttribute("src");
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66 $subdoc = new DOMDocument();
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67 $subfile = $options->getBasePath() . "/${lang}/${src}";
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68 $subdoc->load("$subfile");
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69 $options->getCache()->cache_time($subfile);
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70 $parent = $include->parentNode;
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71 $xml = getElementByTagName($subdoc,"xml");
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72 foreach($xml->childNodes as $child) {
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73 $text = $subdoc->saveXml($child);
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74 $clonedChild = $doc->importNode($child,true);
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75 $parent->insertBefore($clonedChild,$include);
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76 }
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77 $parent->removeChild($include);
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78 }
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79 $includes = $doc->getElementsByTagName("include");
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80 }
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81
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82 $head = getElementByTagName($doc, "head");
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83 $title = $head->getAttribute("title");
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84
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85 if($title) {
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86 $values=$master->getElementsByTagName("param");
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87 foreach ($values as $value) {
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88 if ($value->getAttribute("type")=="input_config") {
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89 if ($value->getAttribute("id")=="title") {
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90 $tmp = new DOMDocument();
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91 $tmp->loadXml("<xml>${title}</xml>");
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92 $parent=$value->parentNode;
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93 $parent->removeChild($value);
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94 $parent->appendChild(new DOMText($tmp->textContent));
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95 }
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96 }
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97 }
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98 }
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99
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100 $css = getElementByTagName($head,"css");
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101 $css = $doc->saveXML($css);
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102 $css = preg_replace('/\s*<\/?\s*css\s*>\s*/s', '', $css);
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103
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104 if($css) {
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105 $values = $master->getElementsByTagName("param");
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106 foreach ($values as $value) {
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107 if ($value->getAttribute("type") == "input_config") {
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108 if ($value->getAttribute("id") == "css") {
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109 $tmp = new DOMDocument();
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110 $tmp->loadXml("<xml>${css}</xml>");
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111 $parent=$value->parentNode;
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112 foreach($tmp->firstChild->childNodes as $node) {
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113 $clonedChild=$master->importNode($node,true);
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114 $parent->insertBefore($clonedChild,$value);
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115 }
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116 $parent->removeChild($value);
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117 }
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118 }
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119 }
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120 }
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121
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122
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123 $body=getElementByTagName($doc,"body");
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124 $files=$body->getElementsByTagName("file");
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125
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126 foreach ($files as $file) {
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127 $script=$file->getAttribute("script");
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128 if ($script) {
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129 $cacheable = false;
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130 $src="";
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131 $cwd = getcwd();
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132
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133 $matches=array();
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134 preg_match('/(.*\/)/', $script, $matches);
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135 $dirname=$matches[0];
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136 preg_match('/([^\/]*)$/', $script, $matches);
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137 $filename=$matches[0];
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138 chdir("${lang}/${dirname}");
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139 $pipe=popen("php ${filename}","r");
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140 $file_content = stream_get_contents($pipe);
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141 chdir("${cwd}");
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142 }
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143 else {
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144 $src = $file->getAttribute("src");
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145 $fname = $options->getBasePath() . "/${lang}/${src}";
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146 $file_content = $options->getCache()->loadFile($fname);
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147 }
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148 if(floatval($file_content)<0) {
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149 errorPage("Resource not found '${lang}/${src}'");
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150 }
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151
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152 $filters=$file->getElementsByTagName("filter");
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153 foreach($filters as $filter) {
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154 $func = $filter->getAttribute("function");
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155 $params = $filter->getElementsByTagName("param");
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156 $callString = "\$file_content = ${func}(\$file_content, \$options";
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157 $param_values = array();
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158 $i = 0;
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159 foreach ($filter->childNodes as $param) {
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160 if ($param->nodeType == XML_ELEMENT_NODE)
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161 {
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162 $param_value[$i] = getParam($param);
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163 $callString .= ",\$param_value[$i]";
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164 $i++;
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165 }
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166 }
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167 $callString .= ");";
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168 eval($callString);
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169 }
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170 $out.= $file_content;
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171 }
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172
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173 $doc = new DOMDocument();
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174 $doc->loadXml("<xml>${out}</xml>");
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175
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176 return $doc;
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177 }
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178
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179 ?>