1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _BUFFERED_ARCHIVE_H
#define _BUFFERED_ARCHIVE_H
#include <map>
#include <boost/thread/mutex.hpp>
#include "IArchive.h"
/**
* Provides a helper implementation for archive types that can only uncompress
* one file to memory at a time.
*/
class CBufferedArchive : public IArchive
{
public:
CBufferedArchive(const std::string& name);
virtual ~CBufferedArchive();
virtual bool GetFile(unsigned int fid, std::vector<boost::uint8_t>& buffer);
protected:
virtual bool GetFileImpl(unsigned int fid, std::vector<boost::uint8_t>& buffer) = 0;
boost::mutex archiveLock; // neither 7zip nor zlib are threadsafe
struct FileBuffer
{
FileBuffer() : populated(false), exists(false) {};
bool populated; // cause a file may be 0 bytes big
bool exists;
std::vector<boost::uint8_t> data;
};
std::vector<FileBuffer> cache; // cache[fileId]
};
#endif // _BUFFERED_ARCHIVE_H
|
