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