minetest/src/gettext.cpp

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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.
*/
#include <string>
#include <string.h>
#include <iostream>
#include <stdlib.h>
#include "gettext.h"
#include "util/string.h"
#include "log.h"
#if USE_GETTEXT && defined(_MSC_VER)
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#include <windows.h>
#include <map>
#include <direct.h>
#include "filesys.h"
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#define setlocale(category, localename) \
setlocale(category, MSVC_LocaleLookup(localename))
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static std::map<std::wstring, std::wstring> glb_supported_locales;
/******************************************************************************/
BOOL CALLBACK UpdateLocaleCallback(LPTSTR pStr)
{
char* endptr = 0;
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int LOCALEID = strtol(pStr, &endptr,16);
wchar_t buffer[LOCALE_NAME_MAX_LENGTH];
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memset(buffer, 0, sizeof(buffer));
if (GetLocaleInfoW(
LOCALEID,
LOCALE_SISO639LANGNAME,
buffer,
LOCALE_NAME_MAX_LENGTH)) {
std::wstring name = buffer;
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memset(buffer, 0, sizeof(buffer));
GetLocaleInfoW(
LOCALEID,
LOCALE_SISO3166CTRYNAME,
buffer,
LOCALE_NAME_MAX_LENGTH);
std::wstring country = buffer;
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memset(buffer, 0, sizeof(buffer));
GetLocaleInfoW(
LOCALEID,
LOCALE_SENGLISHLANGUAGENAME,
buffer,
LOCALE_NAME_MAX_LENGTH);
std::wstring languagename = buffer;
/* set both short and long variant */
glb_supported_locales[name] = languagename;
glb_supported_locales[name + L"_" + country] = languagename;
}
return true;
}
/******************************************************************************/
const char* MSVC_LocaleLookup(const char* raw_shortname) {
/* NULL is used to read locale only so we need to return it too */
if (raw_shortname == NULL) return NULL;
std::string shortname(raw_shortname);
if (shortname == "C") return "C";
if (shortname == "") return "";
static std::string last_raw_value = "";
static std::string last_full_name = "";
static bool first_use = true;
if (last_raw_value == shortname) {
return last_full_name.c_str();
}
if (first_use) {
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EnumSystemLocalesA(UpdateLocaleCallback, LCID_SUPPORTED | LCID_ALTERNATE_SORTS);
first_use = false;
}
last_raw_value = shortname;
if (glb_supported_locales.find(utf8_to_wide(shortname)) != glb_supported_locales.end()) {
last_full_name = wide_to_utf8(
glb_supported_locales[utf8_to_wide(shortname)]);
return last_full_name.c_str();
}
/* empty string is system default */
errorstream << "MSVC_LocaleLookup: unsupported locale: \"" << shortname
<< "\" switching to system default!" << std::endl;
return "";
}
#endif
/******************************************************************************/
#ifdef _MSC_VER
void init_gettext(const char *path, const std::string &configured_language, int argc, char** argv) {
#else
void init_gettext(const char *path, const std::string &configured_language) {
#endif
#if USE_GETTEXT
/** first try to set user override environment **/
if (configured_language.length() != 0) {
#ifndef _WIN32
/* add user specified locale to environment */
setenv("LANGUAGE", configured_language.c_str(), 1);
/* reload locale with changed environment */
setlocale(LC_ALL, "");
#elif defined(_MSC_VER)
std::string current_language_var("");
if (getenv("LANGUAGE") != 0) {
current_language_var = std::string(getenv("LANGUAGE"));
}
char *lang_str = (char*)calloc(10 + configured_language.length(), sizeof(char));
strcat(lang_str, "LANGUAGE=");
strcat(lang_str, configured_language.c_str());
putenv(lang_str);
SetEnvironmentVariableA("LANGUAGE",configured_language.c_str());
#ifndef SERVER
//very very dirty workaround to force gettext to see the right environment
if (current_language_var != configured_language) {
STARTUPINFO startupinfo;
PROCESS_INFORMATION processinfo;
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memset(&startupinfo, 0, sizeof(startupinfo));
memset(&processinfo, 0, sizeof(processinfo));
errorstream << "MSVC localization workaround active restating minetest in new environment!" << std::endl;
std::string parameters = "";
for (unsigned int i=1;i < argc; i++) {
if (parameters != "") {
parameters += " ";
}
parameters += argv[i];
}
const char* ptr_parameters = 0;
if (parameters != "") {
ptr_parameters = parameters.c_str();
}
/** users may start by short name in commandline without extention **/
std::string appname = argv[0];
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if (appname.substr(appname.length() - 4) != ".exe") {
appname += ".exe";
}
if (!CreateProcess(appname.c_str(),
(char*) ptr_parameters,
NULL,
NULL,
false,
DETACHED_PROCESS | CREATE_UNICODE_ENVIRONMENT,
NULL,
NULL,
&startupinfo,
&processinfo)) {
char buffer[1024];
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),
buffer,
sizeof(buffer)-1,
NULL);
errorstream << "*******************************************************" << std::endl;
errorstream << "CMD: " << appname << std::endl;
errorstream << "Failed to restart with current locale: " << std::endl;
errorstream << buffer;
errorstream << "Expect language to be broken!" << std::endl;
errorstream << "*******************************************************" << std::endl;
}
else {
exit(0);
}
#else
errorstream << "*******************************************************" << std::endl;
errorstream << "Can't apply locale workaround for server!" << std::endl;
errorstream << "Expect language to be broken!" << std::endl;
errorstream << "*******************************************************" << std::endl;
#endif
}
setlocale(LC_ALL,configured_language.c_str());
#else // Mingw
char *lang_str = (char*)calloc(10 + configured_language.length(), sizeof(char));
strcat(lang_str, "LANGUAGE=");
strcat(lang_str, configured_language.c_str());
putenv(lang_str);
setlocale(LC_ALL, "");
#endif // ifndef _WIN32
}
else {
/* set current system default locale */
setlocale(LC_ALL, "");
}
#if defined(_WIN32)
if (getenv("LANGUAGE") != 0) {
setlocale(LC_ALL, getenv("LANGUAGE"));
}
#ifdef _MSC_VER
else if (getenv("LANG") != 0) {
setlocale(LC_ALL, getenv("LANG"));
}
#endif
#endif
static std::string name = lowercase(PROJECT_NAME);
bindtextdomain(name.c_str(), path);
textdomain(name.c_str());
#if defined(_WIN32)
// Set character encoding for Win32
char *tdomain = textdomain( (char *) NULL );
if( tdomain == NULL )
{
errorstream << "Warning: domainname parameter is the null pointer" <<
", default domain is not set" << std::endl;
tdomain = (char *) "messages";
}
/* char *codeset = */bind_textdomain_codeset( tdomain, "UTF-8" );
//errorstream << "Gettext debug: domainname = " << tdomain << "; codeset = "<< codeset << std::endl;
#endif // defined(_WIN32)
#else
/* set current system default locale */
setlocale(LC_ALL, "");
#endif // if USE_GETTEXT
/* no matter what locale is used we need number format to be "C" */
/* to ensure formspec parameters are evaluated correct! */
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setlocale(LC_NUMERIC, "C");
infostream << "Message locale is now set to: "
<< setlocale(LC_ALL, 0) << std::endl;
}