Jordan Delong
363d1bb20f
This change is mostly for FB internal organizational reasons. Building is not effected beyond the fact that the target now lands in hphp/hhvm/hhvm rather than src/hhvm/hhvm.
61 linhas
2.0 KiB
C++
61 linhas
2.0 KiB
C++
/*
|
|
+----------------------------------------------------------------------+
|
|
| HipHop for PHP |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.01 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.php.net/license/3_01.txt |
|
|
| If you did not receive a copy of the PHP license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
#ifndef __COMPRESSION_H__
|
|
#define __COMPRESSION_H__
|
|
|
|
#include "base.h"
|
|
#include <zlib.h>
|
|
|
|
// encoding_mode
|
|
#define CODING_GZIP 1
|
|
#define CODING_DEFLATE 2
|
|
|
|
namespace HPHP {
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
// inefficient way of testing whether a file can be compressed to smaller size
|
|
bool is_compressible_file(const char *filename);
|
|
|
|
char *gzencode(const char *data, int &len, int level, int encoding_mode);
|
|
char *gzdecode(const char *data, int &len);
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
class StreamCompressor {
|
|
public:
|
|
StreamCompressor(int level, int encoding_mode, bool header);
|
|
~StreamCompressor();
|
|
|
|
/**
|
|
* Compress one chunk a time.
|
|
*/
|
|
char *compress(const char *data, int &len, bool trailer);
|
|
|
|
private:
|
|
int m_level;
|
|
int m_encoding;
|
|
bool m_header;
|
|
z_stream m_stream;
|
|
uLong m_crc;
|
|
bool m_ended;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
}
|
|
|
|
#endif // __COMPRESSION_H__
|