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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __BYTEBUFFER_H__
#define __BYTEBUFFER_H__
#include "talk/base/basictypes.h"
#include <string>
namespace cricket {
class ByteBuffer {
public:
ByteBuffer();
ByteBuffer(const char* bytes, size_t len);
ByteBuffer(const char* bytes); // uses strlen
~ByteBuffer();
const char* Data() const { return bytes_ + start_; }
size_t Length() { return end_ - start_; }
size_t Capacity() { return size_ - start_; }
bool ReadUInt8(uint8& val);
bool ReadUInt16(uint16& val);
bool ReadUInt32(uint32& val);
bool ReadString(std::string& val, size_t len); // append to val
bool ReadBytes(char* val, size_t len);
void WriteUInt8(uint8 val);
void WriteUInt16(uint16 val);
void WriteUInt32(uint32 val);
void WriteString(const std::string& val);
void WriteBytes(const char* val, size_t len);
void Resize(size_t size);
void Shift(size_t size);
private:
char* bytes_;
size_t size_;
size_t start_;
size_t end_;
};
} // namespace cricket
#endif // __BYTEBUFFER_H__
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