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78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
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* CZipLoader.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "ISimpleResourceLoader.h"
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#include "CInputStream.h"
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#include "ResourcePath.h"
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#include "CCompressedStream.h"
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#include "MinizipExtensions.h"
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VCMI_LIB_NAMESPACE_BEGIN
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class DLL_LINKAGE CZipStream : public CBufferedStream
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{
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unzFile file;
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public:
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/**
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* @brief constructs zip stream from already opened file
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* @param api virtual filesystem interface
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* @param archive path to archive to open
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* @param filepos position of file to open
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*/
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CZipStream(const std::shared_ptr<CIOApi> & api, const boost::filesystem::path & archive, unz64_file_pos filepos);
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~CZipStream();
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si64 getSize() override;
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ui32 calculateCRC32() override;
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protected:
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si64 readMore(ui8 * data, si64 size) override;
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};
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class DLL_LINKAGE CZipLoader : public ISimpleResourceLoader
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{
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std::shared_ptr<CIOApi> ioApi;
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zlib_filefunc64_def zlibApi;
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boost::filesystem::path archiveName;
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std::string mountPoint;
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std::unordered_map<ResourcePath, unz64_file_pos> files;
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std::unordered_map<ResourcePath, unz64_file_pos> listFiles(const std::string & mountPoint, const boost::filesystem::path &archive);
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public:
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CZipLoader(const std::string & mountPoint, const boost::filesystem::path & archive, std::shared_ptr<CIOApi> api = std::make_shared<CDefaultIOApi>());
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/// Interface implementation
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/// @see ISimpleResourceLoader
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std::unique_ptr<CInputStream> load(const ResourcePath & resourceName) const override;
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bool existsResource(const ResourcePath & resourceName) const override;
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std::string getMountPoint() const override;
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void updateFilteredFiles(std::function<bool(const std::string &)> filter) const override {}
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std::unordered_set<ResourcePath> getFilteredFiles(std::function<bool(const ResourcePath &)> filter) const override;
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};
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class DLL_LINKAGE ZipArchive : boost::noncopyable
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{
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unzFile archive;
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public:
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ZipArchive(const boost::filesystem::path & from);
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~ZipArchive();
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std::vector<std::string> listFiles();
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bool extract(const boost::filesystem::path & where, const std::vector<std::string> & what);
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bool extract(const boost::filesystem::path & where, const std::string & what);
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};
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VCMI_LIB_NAMESPACE_END
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