зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.7 KiB
C++
83 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 nsIUnicharStreamLoader_h___
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#define nsIUnicharStreamLoader_h___
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#include "nsISupports.h"
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#include "nsString.h"
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#define NS_IUNICHARSTREAMLOADER_IID \
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{0xa6cf90d8, 0x15b3, 0x11d2, \
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{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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class nsIUnicharStreamLoader;
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class nsIURI;
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/**
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* Funtion registered with the stream loader. This function is called
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* when the stream is done loading (or has aborted).
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*
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* @param aLoader the loader
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* @param aData the result of the load as a unicode character string
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* @param aRef the opaque data passed to the loader
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* @param aStatus the completion status of the stream
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*/
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typedef void (*nsStreamCompleteFunc)(nsIUnicharStreamLoader* aLoader,
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nsString& aData,
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void* aRef,
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nsresult aStatus);
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/**
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* The purpose of this interface is to provide a mechanism for a
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* byte stream to be loaded asynchronously from a URL, the stream
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* data to be accumulated, and the result to be returned as a
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* unicode character string.
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*/
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class nsIUnicharStreamLoader : public nsISupports {
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public:
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/**
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* Get the number of bytes read so far.
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*
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* @param aNumBytes out parameter to get number of unicode
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* characters read.
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*/
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NS_IMETHOD GetNumCharsRead(PRInt32* aNumChars) = 0;
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};
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/**
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* Start loading the specified URL and accumulating the stream data.
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* When the stream is completed, the result is sent to the complete
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* function as a unicode character string.
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*
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* @param aInstancePtrResult new stream loader
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* @param aURL the URL to load
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* @param aFunc the function to call on termination of stream loading
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* @param aRef an opaque value that will later be sent to the termination
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* function
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*/
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extern NS_NET nsresult NS_NewUnicharStreamLoader(nsIUnicharStreamLoader** aInstancePtrResult,
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nsIURI* aURL,
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nsStreamCompleteFunc aFunc,
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void* aRef);
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#endif /* nsIUnicharStreamLoader_h___ */
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