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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* FileStream.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include <boost/iostreams/categories.hpp>
#include <boost/iostreams/stream.hpp>
class DLL_LINKAGE FileBuf
{
public:
typedef char char_type;
typedef struct category_ :
boost::iostreams::seekable_device_tag,
boost::iostreams::closable_tag
{} category;
FileBuf(const boost::filesystem::path& filename, std::ios_base::openmode mode);
std::streamsize read(char* s, std::streamsize n);
std::streamsize write(const char* s, std::streamsize n);
std::streamoff seek(std::streamoff off, std::ios_base::seekdir way);
void close();
private:
void* filePtr;
};
struct zlib_filefunc64_def_s;
typedef zlib_filefunc64_def_s zlib_filefunc64_def;
#ifdef VCMI_DLL
extern template struct DLL_LINKAGE boost::iostreams::stream<FileBuf>;
#endif
class DLL_LINKAGE FileStream : public boost::iostreams::stream<FileBuf>
{
public:
FileStream() = default;
explicit FileStream(const boost::filesystem::path& p, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out)
: boost::iostreams::stream<FileBuf>(p, mode) {}
static bool CreateFile(const boost::filesystem::path& filename);
static zlib_filefunc64_def* GetMinizipFilefunc();
};
|
