aboutsummaryrefslogtreecommitdiff
path: root/common/translation.cpp
blob: 093f26510fbb059024f9cbae1f794a7471ce46b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 */

#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
// winnt.h defines ARRAYSIZE, but we want our own one... - this is needed before including util.h
#undef ARRAYSIZE
#endif

#include "translation.h"

DECLARE_SINGLETON(Common::TranslationManager)

#ifdef USE_DETECTLANG
#ifndef WIN32
#include <locale.h>
#endif // !WIN32
#endif

#ifdef USE_TRANSLATION
#include "messages.cpp"
#endif

namespace Common {


#ifdef USE_TRANSLATION

// Translation enabled

TranslationManager::TranslationManager() {
#ifdef USE_DETECTLANG
#ifdef WIN32
	// We can not use "setlocale" (at least not for MSVC builds), since it
	// will return locales like: "English_USA.1252", thus we need a special
	// way to determine the locale string for Win32.
	char langName[9];
	char ctryName[9];

	const LCID languageIdentifier = GetThreadLocale();

	// GetLocalInfo is only supported starting from Windows 2000, according to this:
	// http://msdn.microsoft.com/en-us/library/dd318101%28VS.85%29.aspx
	// On the other hand the locale constants used, seem to exist on Windows 98 too,
	// check this for that: http://msdn.microsoft.com/en-us/library/dd464799%28v=VS.85%29.aspx
	// 
	// I am not exactly sure what is the truth now, it might be very well that this breaks
	// support for systems older than Windows 2000....
	//
	// TODO: Check whether this (or ScummVM at all ;-) works on a system with Windows 98 for
	// example and if it does not and we still want Windows 9x support, we should definitly
	// think of another solution.
	if (GetLocaleInfo(languageIdentifier, LOCALE_SISO639LANGNAME, langName, sizeof(langName)) != 0 &&
		GetLocaleInfo(languageIdentifier, LOCALE_SISO3166CTRYNAME, ctryName, sizeof(ctryName)) != 0) {
		_syslang = langName;
		_syslang += "_";
		_syslang += ctryName;
	} else {
		_syslang = "C";
	}
#else // WIN32
	// Activating current locale settings
	const char *locale = setlocale(LC_ALL, "");

	// Detect the language from the locale
	if (!locale) {
		_syslang = "C";
	} else {
		int length = 0;

		// Strip out additional information, like
		// ".UTF-8" or the like. We do this, since
		// our translation languages are usually
		// specified without any charset information.
		for (int i = 0; locale[i]; ++i) {
			// TODO: Check whether "@" should really be checked
			// here.
			if (locale[i] == '.' || locale[i] == ' ' || locale[i] == '@') {
				length = i;
				break;
			}

			length = i;
		}

		_syslang = String(locale, length);
	}
#endif // WIN32
#else // USE_DETECTLANG
	_syslang = "C";
#endif // USE_DETECTLANG

	// Set the default language
	setLanguage("");
}

TranslationManager::~TranslationManager() {
}

void TranslationManager::setLanguage(const char *lang) {
	if (*lang == '\0')
		po2c_setlang(_syslang.c_str());
	else
		po2c_setlang(lang);
}

const char *TranslationManager::getTranslation(const char *message) {
	return po2c_gettext(message);
}

const char *TranslationManager::getCurrentCharset() {
	return po2c_getcharset();
}

String TranslationManager::getTranslation(const String &message) {
	return po2c_gettext(message.c_str());
}

const TLangArray TranslationManager::getSupportedLanguages() const {
	TLangArray languages;

	int total = po2c_getnumlangs();
	for (int i = 0; i < total; i++) {
		TLanguage lng(po2c_getlang(i), i + 1);
		languages.push_back(lng);
	}

	//sort(languages.begin(), languages.end());

	return languages;
}

int TranslationManager::parseLanguage(const String lang) {
	int total = po2c_getnumlangs();

	for (int i = 0; i < total; i++) {
		if (lang == po2c_getlang(i))
			return i + 1;
	}

	return kTranslationBuiltinId;
}


const char *TranslationManager::getLangById(int id) {
	switch (id) {
	case kTranslationAutodetectId:
		return "";
	case kTranslationBuiltinId:
		return "C";
	default:
		if (id >= 0 && id - 1 < po2c_getnumlangs())
			return po2c_getlang(id - 1);
	}

	// In case an invalid ID was specified, we will output a warning
	// and return the same value as the auto detection id.
	warning("Invalid language id %d passed to TranslationManager::getLangById", id);
	return "";
}

#else // USE_TRANSLATION

// Translation disabled


TranslationManager::TranslationManager() {}

TranslationManager::~TranslationManager() {}

void TranslationManager::setLanguage(const char *lang) {}

const char *TranslationManager::getLangById(int id) {
	return "";
}

int TranslationManager::parseLanguage(const String lang) {
	return kTranslationBuiltinId;
}

const char *TranslationManager::getTranslation(const char *message) {
	return message;
}

String TranslationManager::getTranslation(const String &message) {
	return message;
}

const TLangArray TranslationManager::getSupportedLanguages() const {
	return TLangArray();
}

#endif // USE_TRANSLATION

}	// End of namespace Common