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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Translate |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @version $Id: Gettext.php 22653 2010-07-22 18:41:39Z mabe $ |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 */ |
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21 |
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22 /** Zend_Locale */ |
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23 require_once 'Zend/Locale.php'; |
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24 |
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25 /** Zend_Translate_Adapter */ |
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26 require_once 'Zend/Translate/Adapter.php'; |
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27 |
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28 /** |
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29 * @category Zend |
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30 * @package Zend_Translate |
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31 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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32 * @license http://framework.zend.com/license/new-bsd New BSD License |
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33 */ |
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34 class Zend_Translate_Adapter_Gettext extends Zend_Translate_Adapter { |
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35 // Internal variables |
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36 private $_bigEndian = false; |
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37 private $_file = false; |
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38 private $_adapterInfo = array(); |
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39 private $_data = array(); |
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40 |
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41 /** |
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42 * Read values from the MO file |
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43 * |
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44 * @param string $bytes |
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45 */ |
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46 private function _readMOData($bytes) |
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47 { |
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48 if ($this->_bigEndian === false) { |
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49 return unpack('V' . $bytes, fread($this->_file, 4 * $bytes)); |
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50 } else { |
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51 return unpack('N' . $bytes, fread($this->_file, 4 * $bytes)); |
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52 } |
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53 } |
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54 |
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55 /** |
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56 * Load translation data (MO file reader) |
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57 * |
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58 * @param string $filename MO file to add, full path must be given for access |
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59 * @param string $locale New Locale/Language to set, identical with locale identifier, |
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60 * see Zend_Locale for more information |
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61 * @param array $option OPTIONAL Options to use |
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62 * @throws Zend_Translation_Exception |
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63 * @return array |
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64 */ |
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65 protected function _loadTranslationData($filename, $locale, array $options = array()) |
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66 { |
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67 $this->_data = array(); |
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68 $this->_bigEndian = false; |
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69 $this->_file = @fopen($filename, 'rb'); |
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70 if (!$this->_file) { |
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71 require_once 'Zend/Translate/Exception.php'; |
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72 throw new Zend_Translate_Exception('Error opening translation file \'' . $filename . '\'.'); |
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73 } |
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74 if (@filesize($filename) < 10) { |
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75 require_once 'Zend/Translate/Exception.php'; |
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76 throw new Zend_Translate_Exception('\'' . $filename . '\' is not a gettext file'); |
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77 } |
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78 |
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79 // get Endian |
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80 $input = $this->_readMOData(1); |
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81 if (strtolower(substr(dechex($input[1]), -8)) == "950412de") { |
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82 $this->_bigEndian = false; |
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83 } else if (strtolower(substr(dechex($input[1]), -8)) == "de120495") { |
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84 $this->_bigEndian = true; |
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85 } else { |
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86 require_once 'Zend/Translate/Exception.php'; |
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87 throw new Zend_Translate_Exception('\'' . $filename . '\' is not a gettext file'); |
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88 } |
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89 // read revision - not supported for now |
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90 $input = $this->_readMOData(1); |
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91 |
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92 // number of bytes |
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93 $input = $this->_readMOData(1); |
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94 $total = $input[1]; |
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95 |
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96 // number of original strings |
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97 $input = $this->_readMOData(1); |
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98 $OOffset = $input[1]; |
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99 |
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100 // number of translation strings |
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101 $input = $this->_readMOData(1); |
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102 $TOffset = $input[1]; |
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103 |
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104 // fill the original table |
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105 fseek($this->_file, $OOffset); |
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106 $origtemp = $this->_readMOData(2 * $total); |
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107 fseek($this->_file, $TOffset); |
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108 $transtemp = $this->_readMOData(2 * $total); |
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109 |
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110 for($count = 0; $count < $total; ++$count) { |
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111 if ($origtemp[$count * 2 + 1] != 0) { |
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112 fseek($this->_file, $origtemp[$count * 2 + 2]); |
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113 $original = @fread($this->_file, $origtemp[$count * 2 + 1]); |
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114 $original = explode("\0", $original); |
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115 } else { |
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116 $original[0] = ''; |
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117 } |
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118 |
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119 if ($transtemp[$count * 2 + 1] != 0) { |
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120 fseek($this->_file, $transtemp[$count * 2 + 2]); |
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121 $translate = fread($this->_file, $transtemp[$count * 2 + 1]); |
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122 $translate = explode("\0", $translate); |
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123 if ((count($original) > 1) && (count($translate) > 1)) { |
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124 $this->_data[$locale][$original[0]] = $translate; |
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125 array_shift($original); |
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126 foreach ($original as $orig) { |
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127 $this->_data[$locale][$orig] = ''; |
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128 } |
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129 } else { |
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130 $this->_data[$locale][$original[0]] = $translate[0]; |
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131 } |
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132 } |
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133 } |
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134 |
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135 $this->_data[$locale][''] = trim($this->_data[$locale]['']); |
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136 if (empty($this->_data[$locale][''])) { |
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137 $this->_adapterInfo[$filename] = 'No adapter information available'; |
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138 } else { |
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139 $this->_adapterInfo[$filename] = $this->_data[$locale]['']; |
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140 } |
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141 |
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142 unset($this->_data[$locale]['']); |
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143 return $this->_data; |
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144 } |
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145 |
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146 /** |
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147 * Returns the adapter informations |
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148 * |
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149 * @return array Each loaded adapter information as array value |
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150 */ |
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151 public function getAdapterInfo() |
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152 { |
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153 return $this->_adapterInfo; |
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154 } |
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155 |
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156 /** |
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157 * Returns the adapter name |
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158 * |
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159 * @return string |
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160 */ |
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161 public function toString() |
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162 { |
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163 return "Gettext"; |
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164 } |
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165 } |