wanproxy/xcodec/xcodec_encoder.h
2016-02-28 20:52:48 +01:00

65 lines
2.6 KiB
C++

/*
* Copyright (c) 2008-2011 Juli Mallett. All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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 XCODEC_XCODEC_ENCODER_H
#define XCODEC_XCODEC_ENCODER_H
#include <xcodec/xcodec_hash.h>
////////////////////////////////////////////////////////////////////////////////
// //
// File: xcodec_encoder.h //
// Description: encoding routines for the xcodex protocol //
// Project: WANProxy XTech //
// Adapted by: Andreu Vidal Bramfeld-Software //
// Last modified: 2016-02-28 //
// //
////////////////////////////////////////////////////////////////////////////////
class XCodecCache;
class XCodecEncoder
{
LogHandle log_;
XCodecCache* cache_;
Buffer source_;
XCodecHash xcodec_hash_;
int candidate_start_;
uint64_t candidate_symbol_;
public:
XCodecEncoder(XCodecCache*);
~XCodecEncoder();
void encode (Buffer&, Buffer&);
bool flush (Buffer&);
private:
void encode_declaration (Buffer&, Buffer&, unsigned, uint64_t);
void encode_escape (Buffer&, Buffer&, unsigned);
bool encode_reference (Buffer&, Buffer&, unsigned, uint64_t, Buffer&);
};
#endif /* !XCODEC_XCODEC_ENCODER_H */