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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/*
* A class that handles loading and evaluation of <script> elements.
*/
#ifndef mozilla_dom_ScriptLoadHandler_h
#define mozilla_dom_ScriptLoadHandler_h
#include "nsIIncrementalStreamLoader.h"
#include "nsIUnicodeDecoder.h"
#include "nsAutoPtr.h"
#include "mozilla/Vector.h"
namespace mozilla {
namespace dom {
class ScriptLoadRequest;
class ScriptLoader;
class SRICheckDataVerifier;
class ScriptLoadHandler final : public nsIIncrementalStreamLoaderObserver
{
public:
explicit ScriptLoadHandler(ScriptLoader* aScriptLoader,
ScriptLoadRequest* aRequest,
SRICheckDataVerifier* aSRIDataVerifier);
NS_DECL_ISUPPORTS
NS_DECL_NSIINCREMENTALSTREAMLOADEROBSERVER
private:
virtual ~ScriptLoadHandler();
/*
* Try to decode some raw data.
*/
nsresult TryDecodeRawData(const uint8_t* aData, uint32_t aDataLength,
bool aEndOfStream);
/*
* Discover the charset by looking at the stream data, the script
* tag, and other indicators. Returns true if charset has been
* discovered.
*/
bool EnsureDecoder(nsIIncrementalStreamLoader *aLoader,
const uint8_t* aData, uint32_t aDataLength,
bool aEndOfStream);
// ScriptLoader which will handle the parsed script.
RefPtr<ScriptLoader> mScriptLoader;
// The ScriptLoadRequest for this load.
RefPtr<ScriptLoadRequest> mRequest;
// SRI data verifier.
nsAutoPtr<SRICheckDataVerifier> mSRIDataVerifier;
// Status of SRI data operations.
nsresult mSRIStatus;
// Unicode decoder for charset.
nsCOMPtr<nsIUnicodeDecoder> mDecoder;
// Accumulated decoded char buffer.
mozilla::Vector<char16_t> mBuffer;
};
} // namespace dom
} // namespace mozilla
#endif //mozilla_dom_ScriptLoader_h
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