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aef3149a23
--HG-- rename : intl/locale/src/Makefile.in => intl/locale/Makefile.in rename : intl/locale/src/PluralForm.jsm => intl/locale/PluralForm.jsm rename : intl/locale/src/langGroups.properties => intl/locale/langGroups.properties rename : intl/locale/src/language.properties => intl/locale/language.properties rename : intl/locale/src/mac/moz.build => intl/locale/mac/moz.build rename : intl/locale/src/mac/nsCollationMacUC.cpp => intl/locale/mac/nsCollationMacUC.cpp rename : intl/locale/src/mac/nsCollationMacUC.h => intl/locale/mac/nsCollationMacUC.h rename : intl/locale/src/mac/nsDateTimeFormatMac.cpp => intl/locale/mac/nsDateTimeFormatMac.cpp rename : intl/locale/src/mac/nsDateTimeFormatMac.h => intl/locale/mac/nsDateTimeFormatMac.h rename : intl/locale/src/mac/nsMacCharset.cpp => intl/locale/mac/nsMacCharset.cpp rename : intl/locale/src/nsCollation.cpp => intl/locale/nsCollation.cpp rename : intl/locale/src/nsCollation.h => intl/locale/nsCollation.h rename : intl/locale/src/nsLanguageAtomService.cpp => intl/locale/nsLanguageAtomService.cpp rename : intl/locale/src/nsLanguageAtomService.h => intl/locale/nsLanguageAtomService.h rename : intl/locale/src/nsLocale.cpp => intl/locale/nsLocale.cpp rename : intl/locale/src/nsLocale.h => intl/locale/nsLocale.h rename : intl/locale/src/nsLocaleConstructors.h => intl/locale/nsLocaleConstructors.h rename : intl/locale/src/nsLocaleService.cpp => intl/locale/nsLocaleService.cpp rename : intl/locale/src/nsPlatformCharset.h => intl/locale/nsPlatformCharset.h rename : intl/locale/src/nsScriptableDateFormat.cpp => intl/locale/nsScriptableDateFormat.cpp rename : intl/locale/src/nsUConvPropertySearch.cpp => intl/locale/nsUConvPropertySearch.cpp rename : intl/locale/src/nsUConvPropertySearch.h => intl/locale/nsUConvPropertySearch.h rename : intl/locale/src/props2arrays.py => intl/locale/props2arrays.py rename : intl/locale/src/unix/Makefile.in => intl/locale/unix/Makefile.in rename : intl/locale/src/unix/moz.build => intl/locale/unix/moz.build rename : intl/locale/src/unix/nsAndroidCharset.cpp => intl/locale/unix/nsAndroidCharset.cpp rename : intl/locale/src/unix/nsCollationUnix.cpp => intl/locale/unix/nsCollationUnix.cpp rename : intl/locale/src/unix/nsCollationUnix.h => intl/locale/unix/nsCollationUnix.h rename : intl/locale/src/unix/nsDateTimeFormatUnix.cpp => intl/locale/unix/nsDateTimeFormatUnix.cpp rename : intl/locale/src/unix/nsDateTimeFormatUnix.h => intl/locale/unix/nsDateTimeFormatUnix.h rename : intl/locale/src/unix/nsPosixLocale.cpp => intl/locale/unix/nsPosixLocale.cpp rename : intl/locale/src/unix/nsUNIXCharset.cpp => intl/locale/unix/nsUNIXCharset.cpp rename : intl/locale/src/unix/unixcharset.properties => intl/locale/unix/unixcharset.properties rename : intl/locale/src/windows/Makefile.in => intl/locale/windows/Makefile.in rename : intl/locale/src/windows/moz.build => intl/locale/windows/moz.build rename : intl/locale/src/windows/nsCollationWin.cpp => intl/locale/windows/nsCollationWin.cpp rename : intl/locale/src/windows/nsCollationWin.h => intl/locale/windows/nsCollationWin.h rename : intl/locale/src/windows/nsDateTimeFormatWin.cpp => intl/locale/windows/nsDateTimeFormatWin.cpp rename : intl/locale/src/windows/nsDateTimeFormatWin.h => intl/locale/windows/nsDateTimeFormatWin.h rename : intl/locale/src/windows/nsWin32Locale.cpp => intl/locale/windows/nsWin32Locale.cpp rename : intl/locale/src/windows/nsWinCharset.cpp => intl/locale/windows/nsWinCharset.cpp rename : intl/locale/src/windows/wincharset.properties => intl/locale/windows/wincharset.properties
189 lines
5.2 KiB
C++
189 lines
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <locale.h>
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#include "mozilla/ArrayUtils.h"
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#include "nsIPlatformCharset.h"
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#include "nsUConvPropertySearch.h"
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#include "nsCOMPtr.h"
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#include "nsReadableUtils.h"
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#include "nsEncoderDecoderUtils.h"
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#if HAVE_GNU_LIBC_VERSION_H
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#include <gnu/libc-version.h>
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#endif
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#ifdef HAVE_NL_TYPES_H
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#include <nl_types.h>
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#endif
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#if HAVE_LANGINFO_CODESET
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#include <langinfo.h>
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#endif
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#include "nsPlatformCharset.h"
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#include "prinit.h"
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#include "nsUnicharUtils.h"
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#include "mozilla/dom/EncodingUtils.h"
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using mozilla::dom::EncodingUtils;
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using namespace mozilla;
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static const char* kUnixCharsets[][3] = {
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#include "unixcharset.properties.h"
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};
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NS_IMPL_ISUPPORTS(nsPlatformCharset, nsIPlatformCharset)
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nsPlatformCharset::nsPlatformCharset()
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{
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}
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static nsresult
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ConvertLocaleToCharsetUsingDeprecatedConfig(const nsACString& locale,
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nsACString& oResult)
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{
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if (!(locale.IsEmpty())) {
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nsAutoCString localeKey;
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localeKey.AssignLiteral("locale.all.");
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localeKey.Append(locale);
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if (NS_SUCCEEDED(nsUConvPropertySearch::SearchPropertyValue(kUnixCharsets,
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ArrayLength(kUnixCharsets), localeKey, oResult))) {
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return NS_OK;
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}
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}
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NS_ERROR("unable to convert locale to charset using deprecated config");
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oResult.AssignLiteral("ISO-8859-1");
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return NS_SUCCESS_USING_FALLBACK_LOCALE;
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}
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nsPlatformCharset::~nsPlatformCharset()
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{
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}
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NS_IMETHODIMP
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nsPlatformCharset::GetCharset(nsPlatformCharsetSel selector, nsACString& oResult)
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{
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oResult = mCharset;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPlatformCharset::GetDefaultCharsetForLocale(const nsAString& localeName, nsACString &oResult)
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{
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//
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// if this locale is the user's locale then use the charset
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// we already determined at initialization
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//
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if (mLocale.Equals(localeName) ||
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// support the 4.x behavior
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(mLocale.LowerCaseEqualsLiteral("en_us") &&
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localeName.LowerCaseEqualsLiteral("c"))) {
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oResult = mCharset;
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return NS_OK;
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}
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#if HAVE_LANGINFO_CODESET
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//
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// This locale appears to be a different locale from the user's locale.
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// To do this we would need to lock the global resource we are currently
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// using or use a library that provides multi locale support.
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// ICU is a possible example of a multi locale library.
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// http://oss.software.ibm.com/icu/
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//
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// A more common cause of hitting this warning than the above is that
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// Mozilla is launched under an ll_CC.UTF-8 locale. In xpLocale,
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// we only store the language and the region (ll-CC) losing 'UTF-8', which
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// leads |mLocale| to be different from |localeName|. Although we lose
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// 'UTF-8', we init'd |mCharset| with the value obtained via
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// |nl_langinfo(CODESET)| so that we're all right here.
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//
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NS_WARNING("GetDefaultCharsetForLocale: need to add multi locale support");
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#ifdef DEBUG_jungshik
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printf("localeName=%s mCharset=%s\n", NS_ConvertUTF16toUTF8(localeName).get(),
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mCharset.get());
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#endif
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// until we add multi locale support: use the the charset of the user's locale
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oResult = mCharset;
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return NS_SUCCESS_USING_FALLBACK_LOCALE;
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#else
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//
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// convert from locale to charset
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// using the deprecated locale to charset mapping
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//
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NS_LossyConvertUTF16toASCII localeStr(localeName);
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return ConvertLocaleToCharsetUsingDeprecatedConfig(localeStr, oResult);
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#endif
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}
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nsresult
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nsPlatformCharset::InitGetCharset(nsACString &oString)
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{
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char* nl_langinfo_codeset = nullptr;
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nsCString aCharset;
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nsresult res;
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#if HAVE_LANGINFO_CODESET
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nl_langinfo_codeset = nl_langinfo(CODESET);
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NS_ASSERTION(nl_langinfo_codeset, "cannot get nl_langinfo(CODESET)");
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//
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// see if we can use nl_langinfo(CODESET) directly
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//
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if (nl_langinfo_codeset) {
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aCharset.Assign(nl_langinfo_codeset);
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res = VerifyCharset(aCharset);
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if (NS_SUCCEEDED(res)) {
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oString = aCharset;
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return res;
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}
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}
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NS_ERROR("unable to use nl_langinfo(CODESET)");
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#endif
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//
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// try falling back on a deprecated (locale based) name
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//
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char* locale = setlocale(LC_CTYPE, nullptr);
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nsAutoCString localeStr;
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localeStr.Assign(locale);
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return ConvertLocaleToCharsetUsingDeprecatedConfig(localeStr, oString);
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}
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NS_IMETHODIMP
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nsPlatformCharset::Init()
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{
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//
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// remember default locale so we can use the
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// same charset when asked for the same locale
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//
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char* locale = setlocale(LC_CTYPE, nullptr);
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NS_ASSERTION(locale, "cannot setlocale");
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if (locale) {
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CopyASCIItoUTF16(locale, mLocale);
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} else {
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mLocale.AssignLiteral("en_US");
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}
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// InitGetCharset only returns NS_OK or NS_SUCESS_USING_FALLBACK_LOCALE
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return InitGetCharset(mCharset);
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}
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nsresult
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nsPlatformCharset::VerifyCharset(nsCString &aCharset)
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{
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// fast path for UTF-8. Most platform uses UTF-8 as charset now.
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if (aCharset.EqualsLiteral("UTF-8")) {
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return NS_OK;
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}
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nsAutoCString encoding;
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if (!EncodingUtils::FindEncodingForLabelNoReplacement(aCharset, encoding)) {
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return NS_ERROR_UCONV_NOCONV;
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}
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aCharset.Assign(encoding);
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return NS_OK;
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}
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