LCOV - code coverage report
Current view: directory - dom/base - nsIBaseDOMException.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 1 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       1                 : /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2002
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Peter Van der Beken <peterv@netscape.com> (original author)
      24                 :  *
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #ifndef nsIBaseDOMException_h___
      41                 : #define nsIBaseDOMException_h___
      42                 : 
      43                 : #include "nsIDOMClassInfo.h"
      44                 : 
      45                 : // {1f13b201-39fa-11d6-a7f2-df501ff820dc}
      46                 : #define NS_BASE_DOM_EXCEPTION_CID  \
      47                 : { 0x1f13b201, 0x39fa, 0x11d6, \
      48                 : { 0xa7, 0xf2, 0xdf, 0x50, 0x1f, 0xf8, 0x20, 0xdc } }
      49                 : 
      50                 : // {731d9701-39f8-11d6-a7f2-b39073384c9c}
      51                 : #define NS_IBASEDOMEXCEPTION_IID  \
      52                 : { 0x731d9701, 0x39f8, 0x11d6, \
      53                 : { 0xa7, 0xf2, 0xb3, 0x90, 0x73, 0x38, 0x4c, 0x9c } }
      54                 : 
      55             207 : class nsIBaseDOMException : public nsISupports {
      56                 : public:  
      57                 :   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBASEDOMEXCEPTION_IID)
      58                 : 
      59                 :   NS_IMETHOD Init(nsresult aNSResult, const char* aName,
      60                 :                   const char* aMessage,
      61                 :                   nsIException* aDefaultException) = 0;
      62                 : };
      63                 : 
      64                 : NS_DEFINE_STATIC_IID_ACCESSOR(nsIBaseDOMException, NS_IBASEDOMEXCEPTION_IID)
      65                 : 
      66                 : #define IMPL_DOM_EXCEPTION_HEAD(classname, ifname)                           \
      67                 : class classname : public nsIException,                                       \
      68                 :                   public ifname                                              \
      69                 : {                                                                            \
      70                 : public:                                                                      \
      71                 :   classname(nsIException* aInner);                                           \
      72                 :   virtual ~classname();                                                      \
      73                 :                                                                              \
      74                 :   NS_DECL_ISUPPORTS                                                          \
      75                 :   NS_FORWARD_NSIEXCEPTION(mBase->)
      76                 : 
      77                 : // Note: the exception implemented by this macro doesn't free the pointers
      78                 : //       it gets from the mapping_function and assumes they will be valid
      79                 : //       as long as the exception object is alive.
      80                 : 
      81                 : #define IMPL_DOM_EXCEPTION_TAIL(classname, ifname, domname, module,          \
      82                 :                                 mapping_function)                            \
      83                 : private:                                                                     \
      84                 :   nsCOMPtr<nsIException> mBase;                                              \
      85                 : };                                                                           \
      86                 :                                                                              \
      87                 : classname::classname(nsIException* aInner) : mBase(aInner)                   \
      88                 : {                                                                            \
      89                 : }                                                                            \
      90                 : classname::~classname() {}                                                   \
      91                 :                                                                              \
      92                 : NS_IMPL_ADDREF(classname)                                                    \
      93                 : NS_IMPL_RELEASE(classname)                                                   \
      94                 : NS_INTERFACE_MAP_BEGIN(classname)                                            \
      95                 :   NS_INTERFACE_MAP_ENTRY(nsIException)                                       \
      96                 :   NS_INTERFACE_MAP_ENTRY(ifname)                                             \
      97                 :   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIException)                \
      98                 :   NS_INTERFACE_MAP_ENTRY_EXTERNAL_DOM_CLASSINFO(domname)                     \
      99                 : NS_INTERFACE_MAP_END                                                         \
     100                 :                                                                              \
     101                 : NS_DEFINE_CID(kBaseDOMException_CID_##domname, NS_BASE_DOM_EXCEPTION_CID);   \
     102                 :                                                                              \
     103                 : nsresult                                                                     \
     104                 : NS_New##domname(nsresult aNSResult, nsIException* aDefaultException,         \
     105                 :                 nsIException** aException)                                   \
     106                 : {                                                                            \
     107                 :   if (!(NS_ERROR_GET_MODULE(aNSResult) == module)) {                         \
     108                 :     NS_WARNING("Trying to create an exception for the wrong error module."); \
     109                 :     return NS_ERROR_FAILURE;                                                 \
     110                 :   }                                                                          \
     111                 :   const char* name;                                                          \
     112                 :   const char* message;                                                       \
     113                 :   mapping_function(aNSResult, &name, &message);                              \
     114                 :   nsCOMPtr<nsIBaseDOMException> baseException =                              \
     115                 :     do_CreateInstance(kBaseDOMException_CID_##domname);                      \
     116                 :   NS_ENSURE_TRUE(baseException, NS_ERROR_OUT_OF_MEMORY);                     \
     117                 :   baseException->Init(aNSResult, name, message, aDefaultException);          \
     118                 :   nsCOMPtr<nsIException> inner = do_QueryInterface(baseException);           \
     119                 :   *aException = new classname(inner);                                        \
     120                 :   NS_ENSURE_TRUE(*aException, NS_ERROR_OUT_OF_MEMORY);                       \
     121                 :   NS_ADDREF(*aException);                                                    \
     122                 :   return NS_OK;                                                              \
     123                 : }
     124                 : 
     125                 : #endif /* nsIBaseDOMException_h___ */

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