50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
#pragma once
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#include <unordered_map>
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#include "Device.hpp"
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namespace io {
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class ZipFileDevice : public Device {
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struct Entry {
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uint16_t versionMadeBy;
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uint16_t versionNeeded;
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uint16_t flags;
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uint16_t compressionMethod;
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uint16_t modTime;
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uint16_t modDate;
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uint32_t crc32;
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uint32_t compressedSize;
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uint32_t uncompressedSize;
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uint16_t diskNumberStart;
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uint16_t internalAttributes;
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uint32_t externalAttributes;
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uint32_t localHeaderOffset;
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std::string fileName;
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size_t blobOffset = 0;
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bool isDirectory = false;
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};
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public:
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ZipFileDevice(std::unique_ptr<std::istream> file);
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std::filesystem::path resolve(std::string_view path) override;
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std::unique_ptr<std::ostream> write(std::string_view path) override;
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std::unique_ptr<std::istream> read(std::string_view path) override;
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size_t size(std::string_view path) override;
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bool exists(std::string_view path) override;
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bool isdir(std::string_view path) override;
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bool isfile(std::string_view path) override;
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bool mkdir(std::string_view path) override;
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bool mkdirs(std::string_view path) override;
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bool remove(std::string_view path) override;
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uint64_t removeAll(std::string_view path) override;
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std::unique_ptr<PathsGenerator> list(std::string_view path) override;
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private:
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std::unique_ptr<std::istream> file;
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std::unordered_map<std::string, Entry> entries;
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Entry readEntry();
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void findBlob(Entry& entry);
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};
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}
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