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152 lines
7.5 KiB
C++
152 lines
7.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsICharsetConverterManager_h___
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#define nsICharsetConverterManager_h___
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#include "nsString.h"
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#include "nsError.h"
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#include "nsISupports.h"
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#include "nsIAtom.h"
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#include "nsIUnicodeEncoder.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsVoidArray.h"
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#define NS_ICHARSETCONVERTERMANAGER_IID \
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{0x3c1c0161, 0x9bd0, 0x11d3, { 0x9d, 0x9, 0x0, 0x50, 0x4, 0x0, 0x7, 0xb2}}
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// XXX change to NS_CHARSETCONVERTERMANAGER_CID
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#define NS_ICHARSETCONVERTERMANAGER_CID \
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{0x3c1c0163, 0x9bd0, 0x11d3, { 0x9d, 0x9, 0x0, 0x50, 0x4, 0x0, 0x7, 0xb2}}
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// XXX change to NS_CHARSETCONVERTERMANAGER_PID
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#define NS_CHARSETCONVERTERMANAGER_PROGID "component://netscape/charset-converter-manager"
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#define NS_REGISTRY_UCONV_BASE "software/netscape/intl/uconv/"
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// XXX change "xuconv" to "uconv" when the new enc&dec trees are in place
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#define NS_DATA_BUNDLE_REGISTRY_KEY "software/netscape/intl/xuconv/data/"
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#define NS_TITLE_BUNDLE_REGISTRY_KEY "software/netscape/intl/xuconv/titles/"
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#define NS_ERROR_UCONV_NOCONV \
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NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_UCONV, 0x01)
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#define NS_IMPL_NSUCONVERTERREGSELF \
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static NS_IMETHODIMP \
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nsUConverterRegSelf( const char* aFromCharset, \
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const char* aToCharset, \
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nsCID aCID) \
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{ \
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nsresult res = NS_OK; \
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nsRegistryKey key; \
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char buff[1024]; \
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PRBool isOpen = PR_FALSE; \
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NS_WITH_SERVICE( nsIRegistry, registry, NS_REGISTRY_PROGID, &res); \
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if (NS_FAILED(res)) \
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goto done; \
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res = registry->IsOpen(&isOpen); \
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if (NS_FAILED(res)) \
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goto done; \
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if(! isOpen) { \
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res = registry->OpenWellKnownRegistry( \
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nsIRegistry::ApplicationComponentRegistry); \
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if (NS_FAILED(res)) \
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goto done; \
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} \
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char * cid_string; \
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cid_string = aCID.ToString(); \
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sprintf(buff, "%s/%s", "software/netscape/intl/uconv", cid_string); \
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nsCRT::free(cid_string); \
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res = registry -> AddSubtree(nsIRegistry::Common, buff, &key); \
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if (NS_FAILED(res)) \
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goto done; \
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res = registry -> SetStringUTF8(key, "source", aFromCharset); \
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if (NS_FAILED(res)) \
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goto done; \
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res = registry -> SetStringUTF8(key, "destination", aToCharset); \
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if (NS_FAILED(res)) \
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goto done; \
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printf("RegSelf %s to %s converter complete\n", \
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aFromCharset, aToCharset); \
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done: \
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return res; \
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}
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#define NS_UCONV_REG_UNREG(_InstanceClass, _From, _To, _CID ) \
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static NS_IMETHODIMP \
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_InstanceClass##RegSelf (nsIComponentManager *aCompMgr, \
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nsIFile *aPath, \
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const char* registryLocation, \
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const char* componentType) \
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{ \
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nsCID cid = _CID; \
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return nsUConverterRegSelf( _From, _To, cid); \
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} \
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static NS_IMETHODIMP \
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_InstanceClass##UnRegSelf (nsIComponentManager *aCompMgr, \
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nsIFile *aPath, \
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const char* registryLocation) \
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{ \
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printf("UnRegSelf " _From " to " _To "converter not implement\n"); \
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return NS_OK; \
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}
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/**
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* Interface for a Manager of Charset Converters.
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*
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* This Manager's data is a cache of the stuff available directly through
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* Registry and Extensible String Bundles. Plus a set of convenient APIs.
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*
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* Note: The term "Charset" used in the classes, interfaces and file names
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* should be read as "Coded Character Set". I am saying "charset" only for
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* length considerations: it is a much shorter word. This convention is for
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* source-code only, in the attached documents I will be either using the
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* full expression or I'll specify a different convention.
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*
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* A DECODER converts from a random encoding into Unicode.
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* An ENCODER converts from Unicode into a random encoding.
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* All our data structures and APIs are divided like that.
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* However, when you have a charset data, you may have 3 cases:
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* a) the data is charset-dependet, but it is common for encoders and decoders
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* b) the data is different for the two of them, thus needing different APIs
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* and different "aProp" identifying it.
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* c) the data is relevant only for one: encoder or decoder; its nature making
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* the distinction.
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*
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* @created 15/Nov/1999
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* @author Catalin Rotaru [CATA]
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*/
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class nsICharsetConverterManager : public nsISupports
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICHARSETCONVERTERMANAGER_IID)
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NS_IMETHOD GetUnicodeEncoder(const nsString * aDest,
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nsIUnicodeEncoder ** aResult) = 0;
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NS_IMETHOD GetUnicodeDecoder(const nsString * aSrc,
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nsIUnicodeDecoder ** aResult) = 0;
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NS_IMETHOD GetCharsetLangGroup(nsString * aCharset, nsIAtom ** aResult) = 0;
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};
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#endif /* nsICharsetConverterManager_h___ */
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