зеркало из https://github.com/mozilla/gecko-dev.git
Added nsIErrorService to map from nsresult codes to string bundles and keys for error messages.
This commit is contained in:
warren%netscape.com
Родитель
1f040d3f9f
Коммит
05c749064c
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsErrorService.h"
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#include "nsCRT.h"
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static void*
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CloneCString(nsHashKey *aKey, void *aData, void* closure)
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{
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return nsCRT::strdup((const char*)aData);
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}
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static PRBool
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DeleteCString(nsHashKey *aKey, void *aData, void* closure)
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{
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nsCRT::free((char*)aData);
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return PR_TRUE;
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}
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nsInt2StrHashtable::nsInt2StrHashtable()
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: mHashtable(CloneCString, nsnull, DeleteCString, nsnull, 16)
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{
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}
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nsInt2StrHashtable::~nsInt2StrHashtable()
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{
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}
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nsresult
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nsInt2StrHashtable::Put(PRUint32 key, const char* aData)
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{
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char* value = nsCRT::strdup(aData);
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if (value == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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nsVoidKey k((void*)key);
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char* oldValue = (char*)mHashtable.Put(&k, value);
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if (oldValue)
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nsCRT::free(oldValue);
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return NS_OK;
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}
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char*
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nsInt2StrHashtable::Get(PRUint32 key)
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{
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nsVoidKey k((void*)key);
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const char* value = (const char*)mHashtable.Get(&k);
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if (value == nsnull)
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return nsnull;
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return nsCRT::strdup(value);
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}
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nsresult
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nsInt2StrHashtable::Remove(PRUint32 key)
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{
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nsVoidKey k((void*)key);
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char* oldValue = (char*)mHashtable.Remove(&k);
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if (oldValue)
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nsCRT::free(oldValue);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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NS_IMPL_ISUPPORTS1(nsErrorService, nsIErrorService)
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NS_METHOD
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nsErrorService::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
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{
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NS_ENSURE_NO_AGGREGATION(outer);
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nsErrorService* serv = new nsErrorService();
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if (serv == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(serv);
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nsresult rv = serv->QueryInterface(aIID, aInstancePtr);
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NS_RELEASE(serv);
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return rv;
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}
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NS_IMETHODIMP
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nsErrorService::RegisterErrorStringBundle(PRInt16 errorModule, const char *stringBundleURL)
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{
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return mErrorStringBundleURLMap.Put(errorModule, stringBundleURL);
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}
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NS_IMETHODIMP
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nsErrorService::UnregisterErrorStringBundle(PRInt16 errorModule)
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{
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return mErrorStringBundleURLMap.Remove(errorModule);
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}
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NS_IMETHODIMP
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nsErrorService::GetErrorStringBundle(PRInt16 errorModule, char **result)
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{
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char* value = mErrorStringBundleURLMap.Get(errorModule);
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if (value == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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*result = value;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsErrorService::RegisterErrorStringBundleKey(nsresult error, const char *stringBundleKey)
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{
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return mErrorStringBundleKeyMap.Put(NS_ERROR_GET_CODE(error), stringBundleKey);
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}
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NS_IMETHODIMP
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nsErrorService::UnregisterErrorStringBundleKey(nsresult error)
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{
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return mErrorStringBundleKeyMap.Remove(NS_ERROR_GET_CODE(error));
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}
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NS_IMETHODIMP
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nsErrorService::GetErrorStringBundleKey(nsresult error, char **result)
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{
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char* value = mErrorStringBundleKeyMap.Get(NS_ERROR_GET_CODE(error));
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if (value == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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*result = value;
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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@ -0,0 +1,60 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsErrorService_h__
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#define nsErrorService_h__
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#include "nsIErrorService.h"
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#include "nsHashtable.h"
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class nsInt2StrHashtable
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{
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public:
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nsInt2StrHashtable();
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virtual ~nsInt2StrHashtable();
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nsresult Put(PRUint32 key, const char* aData);
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char* Get(PRUint32 key);
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nsresult Remove(PRUint32 key);
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protected:
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nsObjectHashtable mHashtable;
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};
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class nsErrorService : public nsIErrorService
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIERRORSERVICE
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nsErrorService() { NS_INIT_ISUPPORTS(); }
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virtual ~nsErrorService() {}
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static NS_METHOD
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Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
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protected:
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nsInt2StrHashtable mErrorStringBundleURLMap;
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nsInt2StrHashtable mErrorStringBundleKeyMap;
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};
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#endif // nsErrorService_h__
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@ -0,0 +1,85 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
|
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsISupports.idl"
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/**
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* nsIErrorService: This is an interim service that allows nsresult codes to be mapped to
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* string bundles that can be used to look up error messages. String bundle keys can also
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* be mapped.
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*
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* This service will eventually get replaced by extending xpidl to allow errors to be defined.
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* (http://bugzilla.mozilla.org/show_bug.cgi?id=13423).
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*/
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[scriptable, uuid(e72f94b2-5f85-11d4-9877-00c04fa0cf4a)]
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interface nsIErrorService : nsISupports
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{
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/**
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* Registers a string bundle URL for an error module. Error modules are obtained from
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* nsresult code with NS_ERROR_GET_MODULE.
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*/
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void registerErrorStringBundle(in short errorModule, in string stringBundleURL);
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/**
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* Registers a string bundle URL for an error module.
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*/
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void unregisterErrorStringBundle(in short errorModule);
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/**
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* Retrieves a string bundle URL for an error module.
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*/
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string getErrorStringBundle(in short errorModule);
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/**
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* Registers a key in a string bundle for an nsresult error code. Only the code portion
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* of the nsresult is used (obtained with NS_ERROR_GET_CODE) in this registration. The
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* string bundle key is used to look up internationalized messages in the string bundle.
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*/
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void registerErrorStringBundleKey(in nsresult error, in string stringBundleKey);
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/**
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* Unregisters a key in a string bundle for an nsresult error code.
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*/
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void unregisterErrorStringBundleKey(in nsresult error);
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/**
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* Retrieves a key in a string bundle for an nsresult error code. If no key is registered
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* for the specified nsresult's code (obtained with NS_ERROR_GET_CODE), then the stringified
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* version of the nsresult code is returned.
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*/
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string getErrorStringBundleKey(in nsresult error);
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};
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%{C++
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// The global nsIErrorService:
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#define NS_ERRORSERVICE_NAME "Error Service"
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#define NS_ERRORSERVICE_PROGID "component://netscape/xpcom/error-service"
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#define NS_ERRORSERVICE_CID \
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{ /* 744afd5e-5f8c-11d4-9877-00c04fa0cf4a */ \
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0x744afd5e, \
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0x5f8c, \
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0x11d4, \
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{0x98, 0x77, 0x00, 0xc0, 0x4f, 0xa0, 0xcf, 0x4a} \
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}
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%}
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