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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsErrorService.h"
#include "nsCRT.h"

static void*
CloneCString(nsHashKey *aKey, void *aData, void* closure)
{
  return NS_strdup((const char*)aData);
}

static PRBool
DeleteCString(nsHashKey *aKey, void *aData, void* closure)
{
  NS_Free(aData);
  return PR_TRUE;
}

nsInt2StrHashtable::nsInt2StrHashtable()
    : mHashtable(CloneCString, nsnull, DeleteCString, nsnull, 16)
{
}

nsresult
nsInt2StrHashtable::Put(PRUint32 key, const char* aData)
{
  char* value = NS_strdup(aData);
  if (value == nsnull)
    return NS_ERROR_OUT_OF_MEMORY;
  nsPRUint32Key k(key);
  char* oldValue = (char*)mHashtable.Put(&k, value);
  if (oldValue)
    NS_Free(oldValue);
  return NS_OK;
}

char* 
nsInt2StrHashtable::Get(PRUint32 key)
{
  nsPRUint32Key k(key);
  const char* value = (const char*)mHashtable.Get(&k);
  if (value == nsnull)
    return nsnull;
  return NS_strdup(value);
}

nsresult
nsInt2StrHashtable::Remove(PRUint32 key)
{
  nsPRUint32Key k(key);
  char* oldValue = (char*)mHashtable.Remove(&k);
  if (oldValue)
    NS_Free(oldValue);
  return NS_OK;
}

////////////////////////////////////////////////////////////////////////////////

NS_IMPL_ISUPPORTS1(nsErrorService, nsIErrorService)

NS_METHOD
nsErrorService::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
{
    NS_ENSURE_NO_AGGREGATION(outer);
    nsErrorService* serv = new nsErrorService();
    if (serv == nsnull)
        return NS_ERROR_OUT_OF_MEMORY;
    NS_ADDREF(serv);
    nsresult rv = serv->QueryInterface(aIID, aInstancePtr);
    NS_RELEASE(serv);
    return rv;
}

NS_IMETHODIMP
nsErrorService::RegisterErrorStringBundle(PRInt16 errorModule, const char *stringBundleURL)
{
    return mErrorStringBundleURLMap.Put(errorModule, stringBundleURL);
}

NS_IMETHODIMP
nsErrorService::UnregisterErrorStringBundle(PRInt16 errorModule)
{
    return mErrorStringBundleURLMap.Remove(errorModule);
}

NS_IMETHODIMP
nsErrorService::GetErrorStringBundle(PRInt16 errorModule, char **result)
{
    char* value = mErrorStringBundleURLMap.Get(errorModule);
    if (value == nsnull)
        return NS_ERROR_OUT_OF_MEMORY;
    *result = value;
    return NS_OK;
}

NS_IMETHODIMP
nsErrorService::RegisterErrorStringBundleKey(nsresult error, const char *stringBundleKey)
{
    return mErrorStringBundleKeyMap.Put(error, stringBundleKey);
}

NS_IMETHODIMP
nsErrorService::UnregisterErrorStringBundleKey(nsresult error)
{
    return mErrorStringBundleKeyMap.Remove(error);
}

NS_IMETHODIMP
nsErrorService::GetErrorStringBundleKey(nsresult error, char **result)
{
    char* value = mErrorStringBundleKeyMap.Get(error);
    if (value == nsnull)
        return NS_ERROR_OUT_OF_MEMORY;
    *result = value;
    return NS_OK;
}

////////////////////////////////////////////////////////////////////////////////