зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.4 KiB
C++
53 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 mozilla_css_StreamLoader_h
|
|
#define mozilla_css_StreamLoader_h
|
|
|
|
#include "nsIStreamListener.h"
|
|
#include "nsString.h"
|
|
#include "mozilla/css/SheetLoadData.h"
|
|
|
|
class nsIInputStream;
|
|
|
|
namespace mozilla {
|
|
namespace css {
|
|
|
|
class StreamLoader : public nsIStreamListener {
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIREQUESTOBSERVER
|
|
NS_DECL_NSISTREAMLISTENER
|
|
|
|
explicit StreamLoader(SheetLoadData&);
|
|
|
|
private:
|
|
virtual ~StreamLoader();
|
|
|
|
/**
|
|
* callback method used for ReadSegments
|
|
*/
|
|
static nsresult WriteSegmentFun(nsIInputStream*, void*, const char*, uint32_t,
|
|
uint32_t, uint32_t*);
|
|
|
|
void HandleBOM();
|
|
|
|
RefPtr<SheetLoadData> mSheetLoadData;
|
|
nsresult mStatus;
|
|
Maybe<const Encoding*> mEncodingFromBOM;
|
|
|
|
// We store the initial three bytes of the stream into mBOMBytes, and then
|
|
// use that buffer to detect a BOM. We then shift any non-BOM bytes into
|
|
// mBytes, and store all subsequent data in that buffer.
|
|
nsCString mBytes;
|
|
nsAutoCStringN<3> mBOMBytes;
|
|
};
|
|
|
|
} // namespace css
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_css_StreamLoader_h
|