gecko-dev/intl/uconv/nsConverterInputStream.h
2020-04-03 21:05:34 +00:00

65 lines
1.9 KiB
C++

/* -*- Mode: C; tab-width: 4; 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/. */
#ifndef nsConverterInputStream_h
#define nsConverterInputStream_h
#include "nsIInputStream.h"
#include "nsIConverterInputStream.h"
#include "nsIUnicharLineInputStream.h"
#include "nsTArray.h"
#include "nsCOMPtr.h"
#include "nsReadLine.h"
#include "mozilla/Encoding.h"
#include "mozilla/UniquePtr.h"
#define NS_CONVERTERINPUTSTREAM_CONTRACTID \
"@mozilla.org/intl/converter-input-stream;1"
// {2BC2AD62-AD5D-4b7b-A9DB-F74AE203C527}
#define NS_CONVERTERINPUTSTREAM_CID \
{ \
0x2bc2ad62, 0xad5d, 0x4b7b, { \
0xa9, 0xdb, 0xf7, 0x4a, 0xe2, 0x3, 0xc5, 0x27 \
} \
}
class nsConverterInputStream : public nsIConverterInputStream,
public nsIUnicharLineInputStream {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIUNICHARINPUTSTREAM
NS_DECL_NSIUNICHARLINEINPUTSTREAM
NS_DECL_NSICONVERTERINPUTSTREAM
nsConverterInputStream()
: mLastErrorCode(NS_OK),
mLeftOverBytes(0),
mUnicharDataOffset(0),
mUnicharDataLength(0),
mErrorsAreFatal(false),
mLineBuffer(nullptr) {}
private:
virtual ~nsConverterInputStream() { Close(); }
uint32_t Fill(nsresult* aErrorCode);
mozilla::UniquePtr<mozilla::Decoder> mConverter;
FallibleTArray<char> mByteData;
FallibleTArray<char16_t> mUnicharData;
nsCOMPtr<nsIInputStream> mInput;
nsresult mLastErrorCode;
uint32_t mLeftOverBytes;
uint32_t mUnicharDataOffset;
uint32_t mUnicharDataLength;
bool mErrorsAreFatal;
mozilla::UniquePtr<nsLineBuffer<char16_t> > mLineBuffer;
};
#endif