1 | <?php |
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2 | /* Source: https://github.com/moodle/moodle/blob/MOODLE_310_STABLE/backup/cc/cc_lib/cc_resources.php under GNU/GPL license */ |
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3 | |||||||
4 | class CcResources implements CcIResource |
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5 | { |
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6 | public $identifier = null; |
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7 | public $type = null; |
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8 | public $dependency = []; |
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9 | public $identifierref = null; |
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10 | public $href = null; |
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11 | public $base = null; |
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12 | public $persiststate = null; |
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13 | public $metadata = []; |
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14 | public $filename = null; |
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15 | public $files = []; |
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16 | public $isempty = null; |
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17 | public $manifestroot = null; |
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18 | public $folder = null; |
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19 | public $instructoronly = false; |
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20 | |||||||
21 | private $throwonerror = true; |
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22 | |||||||
23 | public function __construct($manifest, $file, $folder = '', $throwonerror = true) |
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24 | { |
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25 | $this->throwonerror = $throwonerror; |
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26 | if (is_string($manifest)) { |
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27 | $this->folder = $folder; |
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28 | $this->processResource($manifest, $file, $folder); |
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29 | $this->manifestroot = $manifest; |
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30 | } elseif (is_object($manifest)) { |
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31 | $this->importResource($file, $manifest); |
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32 | } |
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33 | } |
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34 | |||||||
35 | /** |
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36 | * Add resource. |
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37 | * |
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38 | * @param string $fname |
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39 | * @param string $location |
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40 | */ |
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41 | public function addResource($fname, $location = '') |
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42 | { |
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43 | $this->processResource($fname, $location, null); |
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44 | } |
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45 | |||||||
46 | /** |
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47 | * Import a resource. |
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48 | */ |
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49 | public function importResource(DOMElement &$node, CcIManifest &$doc) |
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50 | { |
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51 | $searchstr = "//imscc:manifest[@identifier='".$doc->manifestID(). |
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52 | "']/imscc:resources/imscc:resource"; |
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53 | $this->identifier = $this->getAttrValue($node, "identifier"); |
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54 | $this->type = $this->getAttrValue($node, "type"); |
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55 | $this->href = $this->getAttrValue($node, "href"); |
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56 | $this->base = $this->getAttrValue($node, "base"); |
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57 | $this->persiststate = null; |
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58 | $nodo = $doc->nodeList($searchstr."[@identifier='". |
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nodeList() does not exist on CcIManifest . Since it exists in all sub-types, consider adding an abstract or default implementation to CcIManifest .
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59 | $this->identifier."']/metadata/@href"); |
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60 | $this->metadata = $nodo->nodeValue; |
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61 | $this->filename = $this->href; |
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62 | $nlist = $doc->nodeList($searchstr."[@identifier='". |
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63 | $this->identifier."']/imscc:file/@href"); |
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64 | $this->files = []; |
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65 | foreach ($nlist as $file) { |
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66 | $this->files[] = $file->nodeValue; |
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67 | } |
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68 | $nlist = $doc->nodeList($searchstr."[@identifier='". |
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69 | $this->identifier."']/imscc:dependency/@identifierref"); |
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70 | $this->dependency = []; |
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71 | foreach ($nlist as $dependency) { |
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72 | $this->dependency[] = $dependency->nodeValue; |
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73 | } |
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74 | $this->isempty = false; |
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75 | } |
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76 | |||||||
77 | /** |
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78 | * Get a attribute value. |
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79 | * |
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80 | * @param DOMElement $nod |
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81 | * @param string $name |
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82 | * @param string $ns |
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83 | * |
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84 | * @return string |
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85 | */ |
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86 | public function getAttrValue(&$nod, $name, $ns = null) |
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87 | { |
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88 | if (is_null($ns)) { |
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89 | return $nod->hasAttribute($name) ? $nod->getAttribute($name) : null; |
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90 | } |
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91 | |||||||
92 | return $nod->hasAttributeNS($ns, $name) ? $nod->getAttributeNS($ns, $name) : null; |
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93 | } |
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94 | |||||||
95 | /** |
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96 | * Process a resource. |
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97 | * |
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98 | * @param string $manifestroot |
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99 | * @param string $fname |
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100 | * @param string $folder |
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101 | */ |
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102 | public function processResource($manifestroot, &$fname, $folder) |
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103 | { |
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104 | $file = empty($folder) ? $manifestroot.'/'.$fname : $manifestroot.'/'.$folder.'/'.$fname; |
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105 | |||||||
106 | if (!file_exists($file) && $this->throwonerror) { |
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107 | throw new Exception('The file doesnt exist!'); |
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108 | } |
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109 | |||||||
110 | getDepFiles($manifestroot, $fname, $this->folder, $this->files); |
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111 | array_unshift($this->files, $folder.$fname); |
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112 | $this->initEmptyNew(); |
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113 | $this->href = $folder.$fname; |
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114 | $this->identifierref = $folder.$fname; |
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115 | $this->filename = $fname; |
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116 | $this->isempty = false; |
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117 | $this->folder = $folder; |
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118 | } |
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119 | |||||||
120 | public function adjustPath($mroot, $fname) |
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121 | { |
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122 | $result = null; |
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123 | if (file_exists($fname->filename)) { |
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124 | $result = pathDiff($fname->filename, $mroot); |
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125 | } elseif (file_exists($mroot.$fname->filename) || file_exists($mroot.DIRECTORY_SEPARATOR.$fname->filename)) { |
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126 | $result = $fname->filename; |
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127 | toUrlPath($result); |
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128 | $result = trim($result, "/"); |
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129 | } |
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130 | |||||||
131 | return $result; |
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132 | } |
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133 | |||||||
134 | public function initClean() |
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135 | { |
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136 | $this->identifier = null; |
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137 | $this->type = null; |
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138 | $this->href = null; |
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139 | $this->base = null; |
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140 | $this->metadata = []; |
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141 | $this->dependency = []; |
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142 | $this->identifierref = null; |
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143 | $this->persiststate = null; |
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144 | $this->filename = ''; |
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145 | $this->files = []; |
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146 | $this->isempty = true; |
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147 | } |
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148 | |||||||
149 | public function initEmptyNew() |
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150 | { |
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151 | $this->identifier = CcHelpers::uuidgen('I_', '_R'); |
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152 | $this->type = null; |
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153 | $this->href = null; |
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154 | $this->persiststate = null; |
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155 | $this->filename = null; |
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156 | $this->isempty = false; |
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157 | $this->identifierref = null; |
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158 | } |
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159 | |||||||
160 | public function getManifestroot() |
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161 | { |
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162 | return $this->manifestroot; |
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163 | } |
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164 | } |
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165 |