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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung |
| 19 | * (under the project TAO-TRANSFER); |
| 20 | * 2009-2012 (update and modification) Public Research Centre Henri Tudor |
| 21 | * (under the project TAO-SUSTAIN & TAO-DEV); |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | /** |
| 26 | * Short description of class tao_helpers_translation_RDFTranslationFile |
| 27 | * |
| 28 | * @access public |
| 29 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 30 | * @package tao |
| 31 | |
| 32 | */ |
| 33 | class tao_helpers_translation_RDFTranslationFile extends tao_helpers_translation_TaoTranslationFile |
| 34 | { |
| 35 | // --- ASSOCIATIONS --- |
| 36 | |
| 37 | |
| 38 | // --- ATTRIBUTES --- |
| 39 | |
| 40 | /** |
| 41 | * Short description of attribute namespaces |
| 42 | * |
| 43 | * @access private |
| 44 | * @var array |
| 45 | */ |
| 46 | private $namespaces = [['rdf', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#']]; |
| 47 | |
| 48 | /** |
| 49 | * The namespace to which the translations belongs to. |
| 50 | * |
| 51 | * @access private |
| 52 | * @var string |
| 53 | */ |
| 54 | private $base = ''; |
| 55 | |
| 56 | // --- OPERATIONS --- |
| 57 | |
| 58 | /** |
| 59 | * Short description of method addTranslationUnit |
| 60 | * |
| 61 | * @access public |
| 62 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 63 | * @param TranslationUnit translationUnit |
| 64 | * @return mixed |
| 65 | */ |
| 66 | public function addTranslationUnit(tao_helpers_translation_TranslationUnit $translationUnit) |
| 67 | { |
| 68 | |
| 69 | // We override the default behaviour because for RDFTranslationFiles, TranslationUnits are |
| 70 | // unique by concatening the following attributes: |
| 71 | // - RDFTranslationUnit::subject |
| 72 | // - RDFTranslationUnit::predicate |
| 73 | // - RDFTranslationUnit::targetLanguage |
| 74 | foreach ($this->getTranslationUnits() as $tu) { |
| 75 | if ( |
| 76 | $tu->hasSameTranslationUnitSubject($translationUnit) && |
| 77 | $tu->hasSameTranslationUnitPredicate($translationUnit) && |
| 78 | $tu->hasSameTranslationUnitTargetLanguage($translationUnit) |
| 79 | ) { |
| 80 | // This TU already exists. We change its target if the new one |
| 81 | // has one. |
| 82 | if ($translationUnit->getTarget() != $translationUnit->getSource()) { |
| 83 | $tu->setTarget($translationUnit->getTarget()); |
| 84 | } |
| 85 | return; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | // If we are executing this, we can add the TranslationUnit to this TranslationFile. |
| 90 | $translationUnit->setSourceLanguage($this->getSourceLanguage()); |
| 91 | $translationUnit->setTargetLanguage($this->getTargetLanguage()); |
| 92 | $tus = $this->getTranslationUnits(); |
| 93 | array_push($tus, $translationUnit); |
| 94 | $this->setTranslationUnits($tus); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Sets the namespaces list of the TranslationFile. The namespace array must |
| 99 | * an array of array formated like this: array(array('nsprefix' => 'URI'), |
| 100 | * Former namespaces will be removed. |
| 101 | * |
| 102 | * @access public |
| 103 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 104 | * @param array namespaces |
| 105 | * @return void |
| 106 | */ |
| 107 | public function setNamespaces($namespaces) |
| 108 | { |
| 109 | |
| 110 | $this->namespaces = $namespaces; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Adds a namespace to the namespaces list. The $namespace array must be |
| 115 | * like array('nsprefix' => 'uri'). If the 'nsprefix' value matches an |
| 116 | * set namespace, it will be updated with the new 'uri'. |
| 117 | * |
| 118 | * @access public |
| 119 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 120 | * @param array namespace |
| 121 | * @return void |
| 122 | */ |
| 123 | public function addNamespace($namespace) |
| 124 | { |
| 125 | |
| 126 | foreach ($this->getNamespaces() as $ns) { |
| 127 | if ($ns['prefix'] == $namespace['prefix']) { |
| 128 | // This namespace is already registered. |
| 129 | return; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | array_push($this->namespaces, $namespace); |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Removes a namespace in the list of namespaces. The $namespace array must |
| 138 | * formatted like array('nsprefix' => 'uri'). If the 'nsprefix' cannot be |
| 139 | * nothing happens. If found, the related namespace will be removed from the |
| 140 | * namespace list. |
| 141 | * |
| 142 | * @access public |
| 143 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 144 | * @param array namespace |
| 145 | * @return void |
| 146 | */ |
| 147 | public function removeNamespace($namespace) |
| 148 | { |
| 149 | |
| 150 | foreach ($this->getNamespaces() as $ns) { |
| 151 | if ($ns['prefix'] == $namespace['prefix']) { |
| 152 | unset($ns); |
| 153 | break; |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Gets the current namespaces list. |
| 160 | * |
| 161 | * @access public |
| 162 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 163 | * @return array |
| 164 | */ |
| 165 | public function getNamespaces() |
| 166 | { |
| 167 | $returnValue = []; |
| 168 | |
| 169 | |
| 170 | $returnValue = $this->namespaces; |
| 171 | |
| 172 | |
| 173 | return (array) $returnValue; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Sets the base namespace to which the RDFTranslationUnits belong to. |
| 178 | * |
| 179 | * @access public |
| 180 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 181 | * @param string base |
| 182 | * @return void |
| 183 | */ |
| 184 | public function setBase($base) |
| 185 | { |
| 186 | |
| 187 | $this->base = $base; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Gets the current base namespace to which the RDFTranslationUnits belong |
| 192 | * |
| 193 | * @access public |
| 194 | * @author Jerome Bogaerts, <jerome.bogaerts@tudor.lu> |
| 195 | * @return string |
| 196 | */ |
| 197 | public function getBase() |
| 198 | { |
| 199 | $returnValue = (string) ''; |
| 200 | |
| 201 | |
| 202 | $returnValue = $this->base; |
| 203 | |
| 204 | |
| 205 | return (string) $returnValue; |
| 206 | } |
| 207 | } |