openspades/Sources/Core/ZipFileSystem.h

83 lines
2.2 KiB
C++

/*
Copyright (c) 2013 yvt
This file is part of OpenSpades.
OpenSpades is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenSpades is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "IFileSystem.h"
#include <stdint.h>
#include <map>
#include <string>
extern "C"{
typedef void *unzFile;
struct zlib_filefunc_def_s;
typedef struct zlib_filefunc_def_s zlib_filefunc_def;
struct unz_file_pos_s;
}
namespace spades {
class ZipFileSystem: public IFileSystem {
class ZipFileInputStream;
class ZipFileHandle;
IStream *baseStream;
bool autoClose;
unzFile zip;
std::map<std::string, unz_file_pos_s> files;
ZipFileInputStream *currentStream;
uint64_t cursorPos;
static ZipFileHandle *InternalOpen(ZipFileSystem *fs,
const char *fn,
int mode);
static uint32_t InternalRead(ZipFileSystem *fs,
ZipFileHandle *h,
void *buf, uint32_t size);
static uint32_t InternalWrite(ZipFileSystem *fs,
ZipFileHandle *h,
void *buf, uint32_t size);
static long InternalTell(ZipFileSystem *fs,
ZipFileHandle *h);
static long InternalSeek(ZipFileSystem *fs,
ZipFileHandle *h,
int32_t offset, int origin);
static int InternalClose(ZipFileSystem *fs,
ZipFileHandle *h);
static int InternalTestError(ZipFileSystem *fs,
ZipFileHandle *h);
zlib_filefunc_def CreateZLibFileFunc();
bool MoveToFile(const char *);
public:
ZipFileSystem(IStream *, bool autoClose = true);
virtual ~ZipFileSystem();
virtual std::vector<std::string> EnumFiles(const char *);
virtual IStream *OpenForReading(const char *);
virtual IStream *OpenForWriting(const char *);
virtual bool FileExists(const char *);
};
}