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/* -*- 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 nsBinaryStream_h___
#define nsBinaryStream_h___
#include "nsCOMPtr.h"
#include "nsAString.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "nsIStreamBufferAccess.h"
#define NS_BINARYOUTPUTSTREAM_CID \
{ /* 86c37b9a-74e7-4672-844e-6e7dd83ba484 */ \
0x86c37b9a, 0x74e7, 0x4672, { \
0x84, 0x4e, 0x6e, 0x7d, 0xd8, 0x3b, 0xa4, 0x84 \
} \
}
#define NS_BINARYOUTPUTSTREAM_CONTRACTID "@mozilla.org/binaryoutputstream;1"
// Derive from nsIObjectOutputStream so this class can be used as a superclass
// by nsObjectOutputStream.
class nsBinaryOutputStream final : public nsIObjectOutputStream {
public:
nsBinaryOutputStream() = default;
protected:
friend already_AddRefed<nsIObjectOutputStream> NS_NewObjectOutputStream(
nsIOutputStream*);
// nsISupports methods
NS_DECL_ISUPPORTS
// nsIOutputStream methods
NS_DECL_NSIOUTPUTSTREAM
// nsIBinaryOutputStream methods
NS_DECL_NSIBINARYOUTPUTSTREAM
// nsIObjectOutputStream methods
NS_DECL_NSIOBJECTOUTPUTSTREAM
// Call Write(), ensuring that all proffered data is written
nsresult WriteFully(const char* aBuf, uint32_t aCount);
nsCOMPtr<nsIOutputStream> mOutputStream;
nsCOMPtr<nsIStreamBufferAccess> mBufferAccess;
private:
// virtual dtor since subclasses call our Release()
virtual ~nsBinaryOutputStream() = default;
};
#define NS_BINARYINPUTSTREAM_CID \
{ /* c521a612-2aad-46db-b6ab-3b821fb150b1 */ \
0xc521a612, 0x2aad, 0x46db, { \
0xb6, 0xab, 0x3b, 0x82, 0x1f, 0xb1, 0x50, 0xb1 \
} \
}
#define NS_BINARYINPUTSTREAM_CONTRACTID "@mozilla.org/binaryinputstream;1"
class nsBinaryInputStream final : public nsIObjectInputStream {
public:
nsBinaryInputStream() = default;
protected:
friend already_AddRefed<nsIObjectInputStream> NS_NewObjectInputStream(
nsIInputStream*);
// nsISupports methods
NS_DECL_ISUPPORTS
// nsIInputStream methods
NS_DECL_NSIINPUTSTREAM
// nsIBinaryInputStream methods
NS_DECL_NSIBINARYINPUTSTREAM
// nsIObjectInputStream methods
NS_DECL_NSIOBJECTINPUTSTREAM
nsCOMPtr<nsIInputStream> mInputStream;
nsCOMPtr<nsIStreamBufferAccess> mBufferAccess;
private:
// Shared infrastructure for ReadBytes and ReadByteArray. Callers
// are expected to provide a buffer that can contain aLength bytes.
nsresult ReadBytesToBuffer(uint32_t aLength, uint8_t* aBuffer);
// virtual dtor since subclasses call our Release()
virtual ~nsBinaryInputStream() = default;
};
#endif // nsBinaryStream_h___