зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
6.7 KiB
C++
125 строки
6.7 KiB
C++
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Peter Van der Beken <peterv@netscape.com> (original author)
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIBaseDOMException_h___
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#define nsIBaseDOMException_h___
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#include "nsIDOMClassInfo.h"
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// {1f13b201-39fa-11d6-a7f2-df501ff820dc}
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#define NS_BASE_DOM_EXCEPTION_CID \
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{ 0x1f13b201, 0x39fa, 0x11d6, \
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{ 0xa7, 0xf2, 0xdf, 0x50, 0x1f, 0xf8, 0x20, 0xdc } }
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// {731d9701-39f8-11d6-a7f2-b39073384c9c}
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#define NS_IBASEDOMEXCEPTION_IID \
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{ 0x731d9701, 0x39f8, 0x11d6, \
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{ 0xa7, 0xf2, 0xb3, 0x90, 0x73, 0x38, 0x4c, 0x9c } }
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class nsIBaseDOMException : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IBASEDOMEXCEPTION_IID)
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NS_IMETHOD Init(nsresult aNSResult, const char* aName,
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const char* aMessage,
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nsIException* aDefaultException) = 0;
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};
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#define IMPL_DOM_EXCEPTION_HEAD(classname, ifname) \
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class classname : public nsIException, \
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public ifname \
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{ \
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public: \
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classname(nsIException* aInner); \
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virtual ~classname(); \
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\
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NS_DECL_ISUPPORTS \
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NS_FORWARD_NSIEXCEPTION(mBase->)
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// Note: the exception implemented by this macro doesn't free the pointers
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// it gets from the mapping_function and assumes they will be valid
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// as long as the exception object is alive.
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#define IMPL_DOM_EXCEPTION_TAIL(classname, ifname, domname, module, \
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mapping_function) \
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private: \
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nsCOMPtr<nsIException> mBase; \
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}; \
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\
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classname::classname(nsIException* aInner) : mBase(aInner) \
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{ \
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} \
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classname::~classname() {} \
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\
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NS_IMPL_ADDREF(classname) \
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NS_IMPL_RELEASE(classname) \
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NS_INTERFACE_MAP_BEGIN(classname) \
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NS_INTERFACE_MAP_ENTRY(nsIException) \
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NS_INTERFACE_MAP_ENTRY(ifname) \
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIException) \
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NS_INTERFACE_MAP_ENTRY_EXTERNAL_DOM_CLASSINFO(domname) \
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NS_INTERFACE_MAP_END \
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\
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NS_DEFINE_CID(kBaseDOMException_CID_##domname, NS_BASE_DOM_EXCEPTION_CID); \
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\
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nsresult \
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NS_New##domname(nsresult aNSResult, nsIException* aDefaultException, \
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nsIException** aException) \
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{ \
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if (!(NS_ERROR_GET_MODULE(aNSResult) == module)) { \
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NS_WARNING("Trying to create an exception for the wrong error module."); \
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return NS_ERROR_FAILURE; \
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} \
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const char* name; \
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const char* message; \
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mapping_function(aNSResult, &name, &message); \
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nsCOMPtr<nsIBaseDOMException> baseException = \
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do_CreateInstance(kBaseDOMException_CID_##domname); \
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NS_ENSURE_TRUE(baseException, NS_ERROR_OUT_OF_MEMORY); \
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baseException->Init(aNSResult, name, message, aDefaultException); \
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nsCOMPtr<nsIException> inner = do_QueryInterface(baseException); \
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*aException = new classname(inner); \
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NS_ENSURE_TRUE(*aException, NS_ERROR_OUT_OF_MEMORY); \
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NS_ADDREF(*aException); \
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return NS_OK; \
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}
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#endif /* nsIBaseDOMException_h___ */
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