mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
a0ee6410f1
* * * * * *
478 lines
14 KiB
C++
478 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Communicator client code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsString.h"
|
|
#include "nsReadableUtils.h"
|
|
#include "nsUnicharUtils.h"
|
|
#include "nsICharsetAlias.h"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsICategoryManager.h"
|
|
#include "nsICharsetConverterManager.h"
|
|
#include "nsEncoderDecoderUtils.h"
|
|
#include "nsIStringBundle.h"
|
|
#include "nsUConvDll.h"
|
|
#include "prmem.h"
|
|
#include "nsCRT.h"
|
|
#include "nsTArray.h"
|
|
#include "nsStringEnumerator.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "nsIProxyObjectManager.h"
|
|
|
|
#include "nsXPCOM.h"
|
|
#include "nsISupportsPrimitives.h"
|
|
|
|
// just for CONTRACTIDs
|
|
#include "nsCharsetConverterManager.h"
|
|
|
|
#ifdef MOZ_USE_NATIVE_UCONV
|
|
#include "nsNativeUConvService.h"
|
|
#endif
|
|
|
|
// Pattern of cached, commonly used, single byte decoder
|
|
#define NS_1BYTE_CODER_PATTERN "ISO-8859"
|
|
#define NS_1BYTE_CODER_PATTERN_LEN 8
|
|
|
|
// Class nsCharsetConverterManager [implementation]
|
|
|
|
NS_IMPL_THREADSAFE_ISUPPORTS1(nsCharsetConverterManager,
|
|
nsICharsetConverterManager)
|
|
|
|
nsCharsetConverterManager::nsCharsetConverterManager()
|
|
:mDataBundle(NULL), mTitleBundle(NULL)
|
|
{
|
|
#ifdef MOZ_USE_NATIVE_UCONV
|
|
mNativeUC = do_GetService(NS_NATIVE_UCONV_SERVICE_CONTRACT_ID);
|
|
#endif
|
|
}
|
|
|
|
nsCharsetConverterManager::~nsCharsetConverterManager()
|
|
{
|
|
NS_IF_RELEASE(mDataBundle);
|
|
NS_IF_RELEASE(mTitleBundle);
|
|
}
|
|
|
|
nsresult nsCharsetConverterManager::Init()
|
|
{
|
|
if (!mDecoderHash.Init())
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsCharsetConverterManager::RegisterConverterManagerData()
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsICategoryManager> catman = do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
RegisterConverterCategory(catman, NS_TITLE_BUNDLE_CATEGORY,
|
|
"chrome://global/locale/charsetTitles.properties");
|
|
RegisterConverterCategory(catman, NS_DATA_BUNDLE_CATEGORY,
|
|
"resource://gre-resources/charsetData.properties");
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsCharsetConverterManager::RegisterConverterCategory(nsICategoryManager* catman,
|
|
const char* aCategory,
|
|
const char* aURL)
|
|
{
|
|
return catman->AddCategoryEntry(aCategory, aURL, "",
|
|
PR_TRUE, PR_TRUE, nsnull);
|
|
}
|
|
|
|
nsresult nsCharsetConverterManager::LoadExtensibleBundle(
|
|
const char* aCategory,
|
|
nsIStringBundle ** aResult)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsCOMPtr<nsIStringBundleService> sbServ =
|
|
do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
return sbServ->CreateExtensibleBundle(aCategory, aResult);
|
|
}
|
|
|
|
nsresult nsCharsetConverterManager::GetBundleValue(nsIStringBundle * aBundle,
|
|
const char * aName,
|
|
const nsAFlatString& aProp,
|
|
PRUnichar ** aResult)
|
|
{
|
|
nsAutoString key;
|
|
|
|
key.AssignWithConversion(aName);
|
|
ToLowerCase(key); // we lowercase the main comparison key
|
|
key.Append(aProp);
|
|
|
|
return aBundle->GetStringFromName(key.get(), aResult);
|
|
}
|
|
|
|
nsresult nsCharsetConverterManager::GetBundleValue(nsIStringBundle * aBundle,
|
|
const char * aName,
|
|
const nsAFlatString& aProp,
|
|
nsAString& aResult)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsXPIDLString value;
|
|
rv = GetBundleValue(aBundle, aName, aProp, getter_Copies(value));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
aResult = value;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------//----------------------------------------------------------------------------
|
|
// Interface nsICharsetConverterManager [implementation]
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetUnicodeEncoder(const char * aDest,
|
|
nsIUnicodeEncoder ** aResult)
|
|
{
|
|
// resolve the charset first
|
|
nsCAutoString charset;
|
|
|
|
// fully qualify to possibly avoid vtable call
|
|
nsCharsetConverterManager::GetCharsetAlias(aDest, charset);
|
|
|
|
return nsCharsetConverterManager::GetUnicodeEncoderRaw(charset.get(),
|
|
aResult);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetUnicodeEncoderRaw(const char * aDest,
|
|
nsIUnicodeEncoder ** aResult)
|
|
{
|
|
*aResult= nsnull;
|
|
nsCOMPtr<nsIUnicodeEncoder> encoder;
|
|
|
|
#ifdef MOZ_USE_NATIVE_UCONV
|
|
if (mNativeUC) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
mNativeUC->GetNativeConverter("UCS-2",
|
|
aDest,
|
|
getter_AddRefs(supports));
|
|
|
|
encoder = do_QueryInterface(supports);
|
|
|
|
if (encoder) {
|
|
NS_ADDREF(*aResult = encoder);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
#endif
|
|
nsresult rv = NS_OK;
|
|
|
|
nsCAutoString
|
|
contractid(NS_LITERAL_CSTRING(NS_UNICODEENCODER_CONTRACTID_BASE) +
|
|
nsDependentCString(aDest));
|
|
|
|
// Always create an instance since encoders hold state.
|
|
encoder = do_CreateInstance(contractid.get(), &rv);
|
|
|
|
if (NS_FAILED(rv))
|
|
rv = NS_ERROR_UCONV_NOCONV;
|
|
else
|
|
{
|
|
*aResult = encoder.get();
|
|
NS_ADDREF(*aResult);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetUnicodeDecoder(const char * aSrc,
|
|
nsIUnicodeDecoder ** aResult)
|
|
{
|
|
// resolve the charset first
|
|
nsCAutoString charset;
|
|
|
|
// fully qualify to possibly avoid vtable call
|
|
nsCharsetConverterManager::GetCharsetAlias(aSrc, charset);
|
|
|
|
return nsCharsetConverterManager::GetUnicodeDecoderRaw(charset.get(),
|
|
aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetUnicodeDecoderRaw(const char * aSrc,
|
|
nsIUnicodeDecoder ** aResult)
|
|
{
|
|
*aResult= nsnull;
|
|
nsCOMPtr<nsIUnicodeDecoder> decoder;
|
|
|
|
#ifdef MOZ_USE_NATIVE_UCONV
|
|
if (mNativeUC) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
mNativeUC->GetNativeConverter(aSrc,
|
|
"UCS-2",
|
|
getter_AddRefs(supports));
|
|
|
|
decoder = do_QueryInterface(supports);
|
|
|
|
if (decoder) {
|
|
NS_ADDREF(*aResult = decoder);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
#endif
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_NAMED_LITERAL_CSTRING(contractbase, NS_UNICODEDECODER_CONTRACTID_BASE);
|
|
nsDependentCString src(aSrc);
|
|
|
|
if (!strncmp(aSrc, NS_1BYTE_CODER_PATTERN, NS_1BYTE_CODER_PATTERN_LEN))
|
|
{
|
|
// Single byte decoders don't hold state. Optimize by using a service, and
|
|
// cache it in our hash to avoid repeated trips through the service manager.
|
|
if (!mDecoderHash.Get(aSrc, getter_AddRefs(decoder))) {
|
|
decoder = do_GetService(PromiseFlatCString(contractbase + src).get(),
|
|
&rv);
|
|
if (NS_SUCCEEDED(rv))
|
|
mDecoderHash.Put(aSrc, decoder);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
decoder = do_CreateInstance(PromiseFlatCString(contractbase + src).get(),
|
|
&rv);
|
|
}
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_UCONV_NOCONV);
|
|
|
|
decoder.forget(aResult);
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsCharsetConverterManager::GetList(const nsACString& aCategory,
|
|
const nsACString& aPrefix,
|
|
nsIUTF8StringEnumerator** aResult)
|
|
{
|
|
if (aResult == NULL)
|
|
return NS_ERROR_NULL_POINTER;
|
|
*aResult = NULL;
|
|
|
|
nsresult rv;
|
|
nsCAutoString alias;
|
|
|
|
nsCOMPtr<nsICategoryManager> catman = do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsTArray<nsCString>* array = new nsTArray<nsCString>;
|
|
if (!array)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> enumerator;
|
|
catman->EnumerateCategory(PromiseFlatCString(aCategory).get(),
|
|
getter_AddRefs(enumerator));
|
|
|
|
PRBool hasMore;
|
|
while (NS_SUCCEEDED(enumerator->HasMoreElements(&hasMore)) && hasMore) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
if (NS_FAILED(enumerator->GetNext(getter_AddRefs(supports))))
|
|
continue;
|
|
|
|
nsCOMPtr<nsISupportsCString> supStr = do_QueryInterface(supports);
|
|
if (!supStr)
|
|
continue;
|
|
|
|
nsCAutoString fullName(aPrefix);
|
|
|
|
nsCAutoString name;
|
|
if (NS_FAILED(supStr->GetData(name)))
|
|
continue;
|
|
|
|
fullName += name;
|
|
rv = GetCharsetAlias(fullName.get(), alias);
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
|
|
rv = array->AppendElement(alias) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return NS_NewAdoptingUTF8StringEnumerator(aResult, array);
|
|
}
|
|
|
|
// we should change the interface so that we can just pass back a enumerator!
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetDecoderList(nsIUTF8StringEnumerator ** aResult)
|
|
{
|
|
return GetList(NS_LITERAL_CSTRING(NS_UNICODEDECODER_NAME),
|
|
EmptyCString(), aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetEncoderList(nsIUTF8StringEnumerator ** aResult)
|
|
{
|
|
return GetList(NS_LITERAL_CSTRING(NS_UNICODEENCODER_NAME),
|
|
EmptyCString(), aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetCharsetDetectorList(nsIUTF8StringEnumerator** aResult)
|
|
{
|
|
return GetList(NS_LITERAL_CSTRING("charset-detectors"),
|
|
NS_LITERAL_CSTRING("chardet."), aResult);
|
|
}
|
|
|
|
// XXX Improve the implementation of this method. Right now, it is build on
|
|
// top of the nsCharsetAlias service. We can make the nsCharsetAlias
|
|
// better, with its own hash table (not the StringBundle anymore) and
|
|
// a nicer file format.
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetCharsetAlias(const char * aCharset,
|
|
nsACString& aResult)
|
|
{
|
|
NS_PRECONDITION(aCharset, "null param");
|
|
if (!aCharset)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// We must not use the charset alias from a background thread
|
|
if (!NS_IsMainThread()) {
|
|
nsCOMPtr<nsICharsetConverterManager> self;
|
|
nsresult rv =
|
|
NS_GetProxyForObject(NS_PROXY_TO_MAIN_THREAD,
|
|
NS_GET_IID(nsICharsetConverterManager),
|
|
this, NS_PROXY_SYNC | NS_PROXY_ALWAYS,
|
|
getter_AddRefs(self));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
return self->GetCharsetAlias(aCharset, aResult);
|
|
}
|
|
|
|
// We try to obtain the preferred name for this charset from the charset
|
|
// aliases. If we don't get it from there, we just use the original string
|
|
nsDependentCString charset(aCharset);
|
|
nsCOMPtr<nsICharsetAlias> csAlias(do_GetService(NS_CHARSETALIAS_CONTRACTID));
|
|
NS_ASSERTION(csAlias, "failed to get the CharsetAlias service");
|
|
if (csAlias) {
|
|
nsAutoString pref;
|
|
nsresult rv = csAlias->GetPreferred(charset, aResult);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
return (!aResult.IsEmpty()) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
aResult = charset;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetCharsetTitle(const char * aCharset,
|
|
nsAString& aResult)
|
|
{
|
|
if (aCharset == NULL) return NS_ERROR_NULL_POINTER;
|
|
|
|
if (mTitleBundle == NULL) {
|
|
nsresult rv = LoadExtensibleBundle(NS_TITLE_BUNDLE_CATEGORY, &mTitleBundle);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
return GetBundleValue(mTitleBundle, aCharset, NS_LITERAL_STRING(".title"), aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetCharsetData(const char * aCharset,
|
|
const PRUnichar * aProp,
|
|
nsAString& aResult)
|
|
{
|
|
if (aCharset == NULL)
|
|
return NS_ERROR_NULL_POINTER;
|
|
// aProp can be NULL
|
|
|
|
if (mDataBundle == NULL) {
|
|
nsresult rv = LoadExtensibleBundle(NS_DATA_BUNDLE_CATEGORY, &mDataBundle);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
return GetBundleValue(mDataBundle, aCharset, nsDependentString(aProp), aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetCharsetLangGroup(const char * aCharset,
|
|
nsIAtom** aResult)
|
|
{
|
|
// resolve the charset first
|
|
nsCAutoString charset;
|
|
|
|
nsresult rv = GetCharsetAlias(aCharset, charset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// fully qualify to possibly avoid vtable call
|
|
return nsCharsetConverterManager::GetCharsetLangGroupRaw(charset.get(),
|
|
aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCharsetConverterManager::GetCharsetLangGroupRaw(const char * aCharset,
|
|
nsIAtom** aResult)
|
|
{
|
|
|
|
*aResult = nsnull;
|
|
if (aCharset == NULL)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
if (mDataBundle == NULL) {
|
|
rv = LoadExtensibleBundle(NS_DATA_BUNDLE_CATEGORY, &mDataBundle);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
nsAutoString langGroup;
|
|
rv = GetBundleValue(mDataBundle, aCharset, NS_LITERAL_STRING(".LangGroup"), langGroup);
|
|
|
|
if (NS_SUCCEEDED(rv))
|
|
*aResult = NS_NewAtom(langGroup);
|
|
|
|
return rv;
|
|
}
|