gecko-dev/intl/locale/nsCollation.cpp
Birunthan Mohanathas aef3149a23 Bug 1038537 - Part 3: Flatten intl/locale/src/ directory. r=smontagu
--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
2014-07-24 10:56:38 -07:00

135 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsCollation.h"
#include "nsCollationCID.h"
#include "nsUnicharUtils.h"
#include "prmem.h"
#include "nsIUnicodeEncoder.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/dom/EncodingUtils.h"
using mozilla::dom::EncodingUtils;
////////////////////////////////////////////////////////////////////////////////
NS_DEFINE_CID(kCollationCID, NS_COLLATION_CID);
NS_IMPL_ISUPPORTS(nsCollationFactory, nsICollationFactory)
nsresult nsCollationFactory::CreateCollation(nsILocale* locale, nsICollation** instancePtr)
{
// Create a collation interface instance.
//
nsICollation *inst;
nsresult res;
res = CallCreateInstance(kCollationCID, &inst);
if (NS_FAILED(res)) {
return res;
}
inst->Initialize(locale);
*instancePtr = inst;
return res;
}
////////////////////////////////////////////////////////////////////////////////
nsCollation::nsCollation()
{
MOZ_COUNT_CTOR(nsCollation);
}
nsCollation::~nsCollation()
{
MOZ_COUNT_DTOR(nsCollation);
}
nsresult nsCollation::NormalizeString(const nsAString& stringIn, nsAString& stringOut)
{
int32_t aLength = stringIn.Length();
if (aLength <= 64) {
char16_t conversionBuffer[64];
ToLowerCase(PromiseFlatString(stringIn).get(), conversionBuffer, aLength);
stringOut.Assign(conversionBuffer, aLength);
}
else {
char16_t* conversionBuffer;
conversionBuffer = new char16_t[aLength];
if (!conversionBuffer) {
return NS_ERROR_OUT_OF_MEMORY;
}
ToLowerCase(PromiseFlatString(stringIn).get(), conversionBuffer, aLength);
stringOut.Assign(conversionBuffer, aLength);
delete [] conversionBuffer;
}
return NS_OK;
}
nsresult nsCollation::SetCharset(const char* aCharset)
{
NS_ENSURE_ARG_POINTER(aCharset);
nsDependentCString label(aCharset);
nsAutoCString encoding;
if (!EncodingUtils::FindEncodingForLabelNoReplacement(label, encoding)) {
return NS_ERROR_UCONV_NOCONV;
}
mEncoder = EncodingUtils::EncoderForEncoding(encoding);
return NS_OK;
}
nsresult nsCollation::UnicodeToChar(const nsAString& aSrc, char** dst)
{
NS_ENSURE_ARG_POINTER(dst);
nsresult res = NS_OK;
if (!mEncoder)
res = SetCharset("ISO-8859-1");
if (NS_SUCCEEDED(res)) {
const nsPromiseFlatString& src = PromiseFlatString(aSrc);
const char16_t *unichars = src.get();
int32_t unicharLength = src.Length();
int32_t dstLength;
res = mEncoder->GetMaxLength(unichars, unicharLength, &dstLength);
if (NS_SUCCEEDED(res)) {
int32_t bufLength = dstLength + 1 + 32; // extra 32 bytes for Finish() call
*dst = (char *) PR_Malloc(bufLength);
if (*dst) {
**dst = '\0';
res = mEncoder->Convert(unichars, &unicharLength, *dst, &dstLength);
if (NS_SUCCEEDED(res) || (NS_ERROR_UENC_NOMAPPING == res)) {
// Finishes the conversion. The converter has the possibility to write some
// extra data and flush its final state.
int32_t finishLength = bufLength - dstLength; // remaining unused buffer length
if (finishLength > 0) {
res = mEncoder->Finish((*dst + dstLength), &finishLength);
if (NS_SUCCEEDED(res)) {
(*dst)[dstLength + finishLength] = '\0';
}
}
}
if (NS_FAILED(res)) {
PR_Free(*dst);
*dst = nullptr;
}
}
else {
res = NS_ERROR_OUT_OF_MEMORY;
}
}
}
return res;
}