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#include <atlbase.h>
#include <map>
#include "base/logging.h"
#include "base/string_util.h"
#include "installer_util_strings.h"
namespace {
// Gets the language from the OS. If we're unable to get the system language,
// defaults to en-us.
std::wstring GetSystemLanguage() {
static std::wstring language;
if (!language.empty())
return language;
// We don't have ICU at this point, so we use win32 apis.
LCID id = GetThreadLocale();
int length = GetLocaleInfo(id, LOCALE_SISO639LANGNAME, 0, 0);
if (0 == length) {
language = L"en-us";
return language;
}
length = GetLocaleInfo(id, LOCALE_SISO639LANGNAME,
WriteInto(&language, length), length);
DCHECK(length == language.length() + 1);
StringToLowerASCII(&language);
// Add the country if we need it.
std::wstring country;
length = GetLocaleInfo(id, LOCALE_SISO3166CTRYNAME, 0, 0);
if (0 != length) {
length = GetLocaleInfo(id, LOCALE_SISO3166CTRYNAME,
WriteInto(&country, length), length);
DCHECK(length == country.length() + 1);
StringToLowerASCII(&country);
if (L"en" == language) {
if (L"gb" == country) {
language.append(L"-gb");
} else {
language.append(L"-us");
}
} else if (L"es" == language && L"es" != country) {
language.append(L"-419");
} else if (L"pt" == language) {
if (L"br" == country) {
language.append(L"-br");
} else {
language.append(L"-pt");
}
} else if (L"zh" == language) {
if (L"tw" == country || L"mk" == country || L"hk" == country) {
language.append(L"-tw");
} else {
language.append(L"-cn");
}
}
}
if (language.empty())
language = L"en-us";
return language;
}
// This method returns the appropriate language offset given the language as a
// string. Note: This method is not thread safe because of how we create
// |offset_map|.
int GetLanguageOffset(const std::wstring& language) {
static std::map<std::wstring, int> offset_map;
if (offset_map.empty()) {
offset_map[L"ar"] = IDS_L10N_OFFSET_AR;
offset_map[L"bg"] = IDS_L10N_OFFSET_BG;
offset_map[L"ca"] = IDS_L10N_OFFSET_CA;
offset_map[L"cs"] = IDS_L10N_OFFSET_CS;
offset_map[L"da"] = IDS_L10N_OFFSET_DA;
offset_map[L"de"] = IDS_L10N_OFFSET_DE;
offset_map[L"el"] = IDS_L10N_OFFSET_EL;
offset_map[L"en-gb"] = IDS_L10N_OFFSET_EN_GB;
offset_map[L"en-us"] = IDS_L10N_OFFSET_EN_US;
offset_map[L"es"] = IDS_L10N_OFFSET_ES;
offset_map[L"es-419"] = IDS_L10N_OFFSET_ES_419;
offset_map[L"et"] = IDS_L10N_OFFSET_ET;
offset_map[L"fi"] = IDS_L10N_OFFSET_FI;
offset_map[L"fil"] = IDS_L10N_OFFSET_FIL;
offset_map[L"fr"] = IDS_L10N_OFFSET_FR;
offset_map[L"he"] = IDS_L10N_OFFSET_HE;
offset_map[L"hi"] = IDS_L10N_OFFSET_HI;
offset_map[L"hr"] = IDS_L10N_OFFSET_HR;
offset_map[L"hu"] = IDS_L10N_OFFSET_HU;
offset_map[L"id"] = IDS_L10N_OFFSET_ID;
offset_map[L"it"] = IDS_L10N_OFFSET_IT;
// Google web properties use iw for he. Handle both just to be safe.
offset_map[L"iw"] = IDS_L10N_OFFSET_HE;
offset_map[L"ja"] = IDS_L10N_OFFSET_JA;
offset_map[L"ko"] = IDS_L10N_OFFSET_KO;
offset_map[L"lt"] = IDS_L10N_OFFSET_LT;
offset_map[L"lv"] = IDS_L10N_OFFSET_LV;
// Google web properties use no for nb. Handle both just to be safe.
offset_map[L"nb"] = IDS_L10N_OFFSET_NO;
offset_map[L"nl"] = IDS_L10N_OFFSET_NL;
offset_map[L"no"] = IDS_L10N_OFFSET_NO;
offset_map[L"pl"] = IDS_L10N_OFFSET_PL;
offset_map[L"pt-br"] = IDS_L10N_OFFSET_PT_BR;
offset_map[L"pt-pt"] = IDS_L10N_OFFSET_PT_PT;
offset_map[L"ro"] = IDS_L10N_OFFSET_RO;
offset_map[L"ru"] = IDS_L10N_OFFSET_RU;
offset_map[L"sk"] = IDS_L10N_OFFSET_SK;
offset_map[L"sl"] = IDS_L10N_OFFSET_SL;
offset_map[L"sr"] = IDS_L10N_OFFSET_SR;
offset_map[L"sv"] = IDS_L10N_OFFSET_SV;
offset_map[L"th"] = IDS_L10N_OFFSET_TH;
// Some Google web properties use tl for fil. Handle both just to be safe.
// They're not completely identical, but alias it here.
offset_map[L"tl"] = IDS_L10N_OFFSET_FIL;
offset_map[L"tr"] = IDS_L10N_OFFSET_TR;
offset_map[L"uk"] = IDS_L10N_OFFSET_UK;
offset_map[L"vi"] = IDS_L10N_OFFSET_VI;
offset_map[L"zh-cn"] = IDS_L10N_OFFSET_ZH_CN;
offset_map[L"zh-tw"] = IDS_L10N_OFFSET_ZH_TW;
}
std::map<std::wstring, int>::iterator it = offset_map.find(
StringToLowerASCII(language));
if (it != offset_map.end())
return it->second;
NOTREACHED() << "unknown system language-country";
// Fallback on the en-US offset just in case.
return IDS_L10N_OFFSET_EN_US;
}
} // namespace
namespace installer_util {
std::wstring GetLocalizedString(int base_message_id) {
std::wstring language = GetSystemLanguage();
std::wstring localized_string;
int message_id = base_message_id + GetLanguageOffset(language);
const ATLSTRINGRESOURCEIMAGE* image = AtlGetStringResourceImage(
_AtlBaseModule.GetModuleInstance(), message_id);
if (image) {
localized_string = std::wstring(image->achString, image->nLength);
} else {
NOTREACHED() << "Unable to find resource id " << message_id;
}
return localized_string;
}
} // namespace installer_util
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