76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/* -*- 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
|