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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* 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 */
#ifndef vm_Compression_h
#define vm_Compression_h
#if defined(STARBOARD)
#include "third_party/zlib/zlib.h"
#include <zlib.h>
#include "jstypes.h"
namespace js {
class Compressor
/* Number of bytes we should hand to zlib each compressMore() call. */
static const size_t CHUNKSIZE = 2048;
z_stream zs;
const unsigned char* inp;
size_t inplen;
size_t outbytes;
bool initialized;
enum Status {
Compressor(const unsigned char* inp, size_t inplen);
bool init();
void setOutput(unsigned char* out, size_t outlen);
size_t outWritten() const { return outbytes; }
/* Compress some of the input. Return true if it should be called again. */
Status compressMore();
* Decompress a string. The caller must know the length of the output and
* allocate |out| to a string of that length.
bool DecompressString(const unsigned char* inp, size_t inplen,
unsigned char* out, size_t outlen);
} /* namespace js */
#endif /* vm_Compression_h */