xpcom/base/nsErrorService.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   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/
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  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) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either of the GNU General Public License Version 2 or later (the "GPL"),
  26  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
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  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "nsErrorService.h"
  39 #include "nsCRT.h"
  40
  41 static void* PR_CALLBACK
  42 CloneCString(nsHashKey *aKey, void *aData, void* closure)
  43 {
  44   return nsCRT::strdup((const char*)aData);
  45 }
  46
  47 static PRBool PR_CALLBACK
  48 DeleteCString(nsHashKey *aKey, void *aData, void* closure)
  49 {
  50   nsCRT::free((char*)aData);
  51   return PR_TRUE;
  52 }
  53
  54 nsInt2StrHashtable::nsInt2StrHashtable()
  55     : mHashtable(CloneCString, nsnull, DeleteCString, nsnull, 16)
  56 {
  57 }
  58
  59 nsresult
  60 nsInt2StrHashtable::Put(PRUint32 key, const char* aData)
  61 {
  62   char* value = nsCRT::strdup(aData);
  63   if (value == nsnull)
  64     return NS_ERROR_OUT_OF_MEMORY;
  65   nsPRUint32Key k(key);
  66   char* oldValue = (char*)mHashtable.Put(&k, value);
  67   if (oldValue)
  68     nsCRT::free(oldValue);
  69   return NS_OK;
  70 }
  71
  72 char*
  73 nsInt2StrHashtable::Get(PRUint32 key)
  74 {
  75   nsPRUint32Key k(key);
  76   const char* value = (const char*)mHashtable.Get(&k);
  77   if (value == nsnull)
  78     return nsnull;
  79   return nsCRT::strdup(value);
  80 }
  81
  82 nsresult
  83 nsInt2StrHashtable::Remove(PRUint32 key)
  84 {
  85   nsPRUint32Key k(key);
  86   char* oldValue = (char*)mHashtable.Remove(&k);
  87   if (oldValue)
  88     nsCRT::free(oldValue);
  89   return NS_OK;
  90 }
  91
  92 ////////////////////////////////////////////////////////////////////////////////
  93
  94 NS_IMPL_ISUPPORTS1(nsErrorService, nsIErrorService)
  95
  96 NS_METHOD
  97 nsErrorService::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
  98 {
  99     NS_ENSURE_NO_AGGREGATION(outer);
 100     nsErrorService* serv = new nsErrorService();
 101     if (serv == nsnull)
 102         return NS_ERROR_OUT_OF_MEMORY;
 103     NS_ADDREF(serv);
 104     nsresult rv = serv->QueryInterface(aIID, aInstancePtr);
 105     NS_RELEASE(serv);
 106     return rv;
 107 }
 108
 109 NS_IMETHODIMP
 110 nsErrorService::RegisterErrorStringBundle(PRInt16 errorModule, const char *stringBundleURL)
 111 {
 112     return mErrorStringBundleURLMap.Put(errorModule, stringBundleURL);
 113 }
 114
 115 NS_IMETHODIMP
 116 nsErrorService::UnregisterErrorStringBundle(PRInt16 errorModule)
 117 {
 118     return mErrorStringBundleURLMap.Remove(errorModule);
 119 }
 120
 121 NS_IMETHODIMP
 122 nsErrorService::GetErrorStringBundle(PRInt16 errorModule, char **result)
 123 {
 124     char* value = mErrorStringBundleURLMap.Get(errorModule);
 125     if (value == nsnull)
 126         return NS_ERROR_OUT_OF_MEMORY;
 127     *result = value;
 128     return NS_OK;
 129 }
 130
 131 NS_IMETHODIMP
 132 nsErrorService::RegisterErrorStringBundleKey(nsresult error, const char *stringBundleKey)
 133 {
 134     return mErrorStringBundleKeyMap.Put(error, stringBundleKey);
 135 }
 136
 137 NS_IMETHODIMP
 138 nsErrorService::UnregisterErrorStringBundleKey(nsresult error)
 139 {
 140     return mErrorStringBundleKeyMap.Remove(error);
 141 }
 142
 143 NS_IMETHODIMP
 144 nsErrorService::GetErrorStringBundleKey(nsresult error, char **result)
 145 {
 146     char* value = mErrorStringBundleKeyMap.Get(error);
 147     if (value == nsnull)
 148         return NS_ERROR_OUT_OF_MEMORY;
 149     *result = value;
 150     return NS_OK;
 151 }
 152
 153 ////////////////////////////////////////////////////////////////////////////////