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nsAECoercionHandlers.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
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.
00021  *
00022  * Contributor(s):
00023  *   Simon Fraser <sfraser@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
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00034  * the provisions above, a recipient may use your version of this file under
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00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 
00040 #ifndef AECoercionHandlers_h_
00041 #define AECoercionHandlers_h_
00042 
00043 #ifdef __cplusplus
00044 
00045 class AECoercionHandlers
00046 {
00047 public:
00048                      
00049                                           AECoercionHandlers();
00050                                           ~AECoercionHandlers();
00051                             
00052        enum {
00053               typePascalString = 'PStr'          /* Descriptor type for a pascal string */
00054        };
00055 
00056 
00057 protected:
00058 
00059        static pascal OSErr TextToPascalStringCoercion(const AEDesc *fromDesc, DescType toType, long handlerRefcon, AEDesc *toDesc);
00060        static pascal OSErr PascalStringToTextCoercion(const AEDesc *fromDesc, DescType toType, long handlerRefcon, AEDesc *toDesc);
00061        
00062        
00063 protected:
00064 
00065        AECoerceDescUPP             mTextDescToPascalString;
00066        AECoerceDescUPP             mPascalStringDescToText;
00067 
00068 public:
00069 
00070        static AECoercionHandlers*         GetAECoercionHandlers() { return sAECoercionHandlers; }
00071        static AECoercionHandlers*         sAECoercionHandlers;
00072 
00073 };
00074 
00075 #endif //__cplusplus
00076 
00077 #ifdef __cplusplus
00078 extern "C" {
00079 #endif
00080 
00081 OSErr CreateCoercionHandlers();
00082 OSErr ShutdownCoercionHandlers();
00083 
00084 #ifdef __cplusplus
00085 }
00086 #endif
00087 
00088 
00089 #endif // AECoercionHandlers_h_