gecko/intl/uconv/public/nsEncoderDecoderUtils.h

165 lines
8.5 KiB
C

/* -*- Mode: C; tab-width: 4; 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 character set conversion utility macros.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alec Flett <alecf@flett.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsEncoderDecoderUtils_h__
#define nsEncoderDecoderUtils_h__
#define NS_ERROR_UCONV_NOCONV \
NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_UCONV, 0x01)
#define NS_SUCCESS_USING_FALLBACK_LOCALE \
NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_UCONV, 0x02)
#define NS_UNICODEDECODER_NAME "Charset Decoders"
#define NS_UNICODEENCODER_NAME "Charset Encoders"
#define NS_DATA_BUNDLE_CATEGORY "uconv-charset-data"
#define NS_TITLE_BUNDLE_CATEGORY "uconv-charset-titles"
struct nsConverterRegistryInfo {
PRBool isEncoder; // PR_TRUE = encoder, PR_FALSE = decoder
const char *charset;
nsCID cid;
};
#define NS_CONVERTER_REGISTRY_START \
static const nsConverterRegistryInfo gConverterRegistryInfo[] = {
#define NS_CONVERTER_REGISTRY_END \
};
#define NS_IMPL_NSUCONVERTERREGSELF \
static NS_IMETHODIMP \
nsUConverterRegSelf(nsIComponentManager *aCompMgr, \
nsIFile *aPath, \
const char* registryLocation, \
const char* componentType, \
const nsModuleComponentInfo *info) \
{ \
nsresult rv; \
nsCOMPtr<nsICategoryManager> catman = \
do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv); \
if (NS_FAILED(rv)) return rv; \
\
nsXPIDLCString previous; \
PRUint32 i; \
for (i=0; i<sizeof(gConverterRegistryInfo)/sizeof(gConverterRegistryInfo[0]); i++) { \
const nsConverterRegistryInfo* entry = &gConverterRegistryInfo[i]; \
const char *category; \
const char *key; \
\
if (entry->isEncoder) { \
category = NS_UNICODEENCODER_NAME; \
} else { \
category = NS_UNICODEDECODER_NAME; \
} \
key = entry->charset; \
\
rv = catman->AddCategoryEntry(category, key, "", \
PR_TRUE, \
PR_TRUE, \
getter_Copies(previous)); \
} \
return rv; \
} \
static NS_IMETHODIMP \
nsUConverterUnregSelf(nsIComponentManager *aCompMgr, \
nsIFile *aPath, \
const char*, \
const nsModuleComponentInfo *info) \
{ \
nsresult rv; \
nsCOMPtr<nsICategoryManager> catman = \
do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv); \
if (NS_FAILED(rv)) return rv; \
\
nsXPIDLCString previous; \
PRUint32 i; \
for (i=0; i<sizeof(gConverterRegistryInfo)/sizeof(gConverterRegistryInfo[0]); i++) { \
const nsConverterRegistryInfo* entry = &gConverterRegistryInfo[i]; \
const char *category; \
const char *key; \
\
if (entry->isEncoder) { \
category = NS_UNICODEDECODER_NAME; \
} else { \
category = NS_UNICODEENCODER_NAME; \
} \
key = entry->charset; \
\
char * value = entry->cid.ToString(); \
\
rv = catman->DeleteCategoryEntry(category, key, PR_TRUE); \
CRTFREEIF(value); \
} \
return rv; \
}
#define NS_UCONV_REG_UNREG_DECODER(_Charset, _CID) \
{ \
PR_FALSE, \
_Charset, \
_CID, \
},
#define NS_UCONV_REG_UNREG_ENCODER(_Charset, _CID) \
{ \
PR_TRUE, \
_Charset, \
_CID, \
},
// this needs to be written out per some odd cpp behavior that
// I could not work around - the behavior is document in the cpp
// info page however, so I'm not the only one to hit this!
#define NS_UCONV_REG_UNREG(_Charset, _DecoderCID, _EncoderCID) \
{ \
PR_FALSE, \
_Charset, \
_DecoderCID, \
}, \
{ \
PR_TRUE, \
_Charset, \
_EncoderCID, \
},
#endif