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nsUnicodeToUTF8.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #ifndef nsUnicodeToUTF8_h___
00039 #define nsUnicodeToUTF8_h___
00040 
00041 // Class ID for our UnicodeToUTF8 charset converter
00042 // {7C657D18-EC5E-11d2-8AAC-00600811A836}
00043 #define NS_UNICODETOUTF8_CID \
00044   { 0x7c657d18, 0xec5e, 0x11d2, {0x8a, 0xac, 0x0, 0x60, 0x8, 0x11, 0xa8, 0x36}}
00045 
00046 #define NS_UNICODETOUTF8_CONTRACTID "@mozilla.org/intl/unicode/encoder;1?charset=UTF-8"
00047 
00048 //#define NS_ERROR_UCONV_NOUNICODETOUTF8  
00049 //  NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_UCONV, 0x31)
00050 
00051 //----------------------------------------------------------------------
00052 // Class nsUnicodeToUTF8 [declaration]
00053 
00060 class nsUnicodeToUTF8 : public nsIUnicodeEncoder
00061 {
00062   NS_DECL_ISUPPORTS
00063 
00064 public:
00065 
00069   nsUnicodeToUTF8() {mHighSurrogate = 0;};
00070 
00071   NS_IMETHOD FillInfo(PRUint32* aInfo);
00072 
00073   NS_IMETHOD Convert(const PRUnichar * aSrc, 
00074                      PRInt32 * aSrcLength, 
00075                      char * aDest, 
00076                      PRInt32 * aDestLength);
00077 
00078   NS_IMETHOD Finish(char * aDest, PRInt32 * aDestLength);
00079 
00080   NS_IMETHOD GetMaxLength(const PRUnichar * aSrc, PRInt32 aSrcLength, 
00081       PRInt32 * aDestLength);
00082 
00083   NS_IMETHOD Reset() {mHighSurrogate = 0; return NS_OK;}
00084 
00085   NS_IMETHOD SetOutputErrorBehavior(PRInt32 aBehavior, 
00086     nsIUnicharEncoder * aEncoder, PRUnichar aChar) {return NS_OK;};
00087 
00088 protected:
00089   PRUnichar mHighSurrogate;
00090 
00091 };
00092 
00093 #endif /* nsUnicodeToUTF8_h___ */