1 | <?php |
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2 | /* |
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3 | * This file is part of EC-CUBE |
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4 | * |
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5 | * Copyright(c) 2000-2011 LOCKON CO.,LTD. All Rights Reserved. |
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6 | * |
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7 | * http://www.lockon.co.jp/ |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU General Public License |
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11 | * as published by the Free Software Foundation; either version 2 |
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12 | * of the License, or (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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22 | */ |
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23 | |
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24 | /** |
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25 | * @file |
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26 | * Common functions that many EC-CUBE classes will need to reference. |
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27 | */ |
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28 | |
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29 | /** |
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30 | * Translate a message alias. |
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31 | * |
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32 | * @param string $string message alias |
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33 | * @param array $tokens parameters for translation |
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34 | * @param array $options options |
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35 | * @return string message to display |
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36 | */ |
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37 | function t($string, $tokens = array(), $options = array()) { |
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38 | if (method_exists('SC_Helper_Locale_Ex', 'get_locale')) { |
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39 | // Get a string of specified language which corresponds to the message alias. |
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40 | $translated = SC_Helper_Locale_Ex::get_locale($string, $options); |
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41 | } else { |
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42 | $translated = $string; |
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43 | } |
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44 | |
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45 | // If parameters are set, translate a message. |
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46 | if (empty($tokens)) { |
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47 | return $translated; |
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48 | } |
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49 | else { |
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50 | return strtr($translated, $tokens); |
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51 | } |
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52 | } |
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53 | |
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54 | /** |
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55 | * Translate a message alias (plural). |
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56 | * |
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57 | * @param integer $count number for detecting format |
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58 | * @param string $single message alias (single) |
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59 | * @param string $plural message alias (plural) |
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60 | * @param array $tokens parameters for translation |
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61 | * @param array $options options |
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62 | * @return string message to display |
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63 | */ |
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64 | function t_plural($count, $single, $plural, $tokens = array(), $options = array()) { |
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65 | if (method_exists('SC_Helper_Locale_Ex', 'get_locale_plural')) { |
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66 | list($translated_single, $translated_plural) = SC_Helper_Locale_Ex::get_locale_plural($single, $plural, $options); |
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67 | } else { |
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68 | $translated_single = $single; |
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69 | $translated_plural = $plural; |
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70 | $options['lang_code'] = 'en-US'; |
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71 | } |
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72 | |
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73 | if ($count == 1) { |
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74 | $return = $translated_single; |
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75 | } else { |
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76 | // Determine appropriate plural form. |
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77 | $index = get_plural_index($count, $options['lang_code']); |
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78 | |
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79 | if ($index < 0) { |
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80 | $return = $translated_plural; |
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81 | } else { |
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82 | switch ($index) { |
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83 | case "0": |
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84 | $return = $translated_single; |
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85 | case "1": |
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86 | default: |
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87 | $return = $translated_plural; |
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88 | } |
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89 | } |
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90 | } |
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91 | |
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92 | // Add a counter to translation parameters. |
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93 | $tokens['T_COUNT'] = number_format($count); |
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94 | |
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95 | return strtr($return, $tokens); |
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96 | } |
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97 | |
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98 | /** |
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99 | * Determine appropriate plural form. |
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100 | * |
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101 | * @param integer $count counter |
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102 | * @param string $lang_code language code |
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103 | * @return integer index |
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104 | */ |
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105 | function get_plural_index($count, $lang_code = 'en-US') { |
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106 | static $plural_indexes = array(); |
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107 | |
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108 | if (!isset($plural_indexes[$lang_code][$count])) { |
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109 | // Get a formula |
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110 | $formula = get_plural_formula($lang_code); |
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111 | |
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112 | // If there is a plural formula for the language, evaluate it |
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113 | if (!empty($formula)) { |
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114 | $string = str_replace('nplurals', "\$total", $formula); |
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115 | $string = str_replace("n", $count, $string); |
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116 | $string = str_replace('plural', "\$plural", $string); |
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117 | |
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118 | $total = 0; |
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119 | $plural = 0; |
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120 | |
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121 | eval("$string"); |
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122 | if ($plural >= $total) $plural = $total - 1; |
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123 | |
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124 | $plural_indexes[$lang_code][$count] = $plural; |
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125 | // If there is no plural formula for English |
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126 | } elseif ($lang_code == 'en-US') { |
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127 | $plural_indexes[$lang_code][$count] = (int) ($count != 1); |
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128 | // Otherwise, return -1 (unknown). |
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129 | } else { |
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130 | $plural_indexes[$lang_code][$count] = -1; |
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131 | } |
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132 | } |
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133 | |
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134 | return $plural_indexes[$lang_code][$count]; |
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135 | } |
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136 | |
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137 | /** |
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138 | * Get a formula to determine appropriate plural form. |
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139 | * |
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140 | * @param string $lang_code language code |
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141 | * @return string formula |
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142 | */ |
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143 | function get_plural_formula($lang_code) { |
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144 | static $plural_formulas = array(); |
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145 | |
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146 | // If formula is empty, include the file. |
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147 | if(empty($plural_formulas)){ |
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148 | $plural_formulas = @include_once DATA_REALDIR . "include/plural_forms.inc"; |
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149 | } |
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150 | |
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151 | return isset($plural_formulas[$lang_code]) ? $plural_formulas[$lang_code] : NULL; |
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152 | } |
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