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04bee896be
cppkore uses string/wstring as StringBase while we use std::string/std::wstring as string/wstring. Changed all types in cppkore to String/WString instead.
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
#pragma once
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#include <cstdint>
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#include <memory>
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#include "Stream.h"
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#include "ListBase.h"
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#include "ZipEntry.h"
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namespace Compression
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{
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// Manages compressed Zip archives and decompresses entries.
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class ZipArchive
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{
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public:
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ZipArchive();
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ZipArchive(std::unique_ptr<IO::Stream> Stream);
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ZipArchive(std::unique_ptr<IO::Stream> Stream, bool LeaveOpen);
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ZipArchive(IO::Stream* Stream);
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ZipArchive(IO::Stream* Stream, bool LeaveOpen);
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~ZipArchive();
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// TODO: RemoveEntry();
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// TODO: AddDirectory();
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// Read all the file records in the central directory
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List<ZipEntry> ReadEntries();
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// Add a file into the ZipArchive.
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ZipEntry AddFile(ZipCompressionMethod Method, const String& Path, const String& FileNameInZip, const String& Comment = "");
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// Add a stream into the ZipArchive.
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ZipEntry AddStream(ZipCompressionMethod Method, const String& FileNameInZip, IO::Stream* Stream, const String& Comment = "");
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// Extract the entry to the provided file path.
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void ExtractFile(ZipEntry& Entry, const String& FileName);
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// Extract the entry to the provided stream.
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void ExtractFile(ZipEntry& Entry, IO::Stream* Stream);
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// Extract the entry to the provided stream.
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void ExtractFile(ZipEntry& Entry, std::unique_ptr<IO::Stream>& Stream);
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// Get the underlying stream
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IO::Stream* GetBaseStream() const;
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// Close the ZipArchive and underlying stream
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void Close();
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private:
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std::unique_ptr<IO::Stream> BaseStream;
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std::unique_ptr<uint8_t[]> _CentralDir;
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uint64_t _CentralDirLength;
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uint64_t _ExistingFiles;
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bool _LeaveOpen;
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// Internal helper routine to parse the end of central directory record.
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void ReadFileInfo();
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// Internal helper routine to calculate file offset.
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uint32_t GetFileOffset(uint32_t HeaderOffset);
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// Internal helper routine to read extra info.
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void ReadExtraInfo(uint64_t i, ZipEntry& Entry);
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// Internal helper routine to clean a file name
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String NormalizeFileName(const String& FileName);
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// Internal routine to calculate crc and sizes
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void UpdateCrcAndSizes(ZipEntry& Entry);
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// Internal routine to write the file header
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void WriteLocalHeader(ZipEntry& Entry);
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// Internal routine to create extra info
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void CreateExtraInfo(ZipEntry& Entry, IO::Stream* Output);
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// Internal routine to get maximum 32bit size
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uint32_t Get32BitSize(uint64_t Size);
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};
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} |