gecko-dev/netwerk/base/nsUnicharStreamLoader.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 11:12:37 +00:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsUnicharStreamLoader_h__
#define nsUnicharStreamLoader_h__
#include "nsIChannel.h"
#include "nsIUnicharStreamLoader.h"
#include "nsIUnicodeDecoder.h"
#include "nsCOMPtr.h"
#include "nsString.h"
class nsIInputStream;
class nsUnicharStreamLoader : public nsIUnicharStreamLoader
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIUNICHARSTREAMLOADER
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
nsUnicharStreamLoader() {}
static nsresult Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
protected:
virtual ~nsUnicharStreamLoader() {}
nsresult DetermineCharset();
/**
* callback method used for ReadSegments
*/
static NS_METHOD WriteSegmentFun(nsIInputStream *, void *, const char *,
uint32_t, uint32_t, uint32_t *);
nsCOMPtr<nsIUnicharStreamLoaderObserver> mObserver;
nsCOMPtr<nsIUnicodeDecoder> mDecoder;
nsCOMPtr<nsISupports> mContext;
nsCOMPtr<nsIChannel> mChannel;
nsCString mCharset;
// This holds the first up-to-512 bytes of the raw stream.
// It will be passed to the OnDetermineCharset callback.
nsCString mRawData;
// This holds the complete contents of the stream so far, after
// decoding to UTF-16. It will be passed to the OnStreamComplete
// callback.
nsString mBuffer;
};
#endif // nsUnicharStreamLoader_h__