source: branches/version-2_12-multilang/data/include/common.php @ 22266

Revision 22266, 4.7 KB checked in by m_uehara, 9 years ago (diff)

#2026 en → en-US に変更しました。

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