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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _ZIP_ARCHIVE_H
#define _ZIP_ARCHIVE_H
#include "IArchiveFactory.h"
#include "BufferedArchive.h"
#include "minizip/unzip.h"
#include <string>
#include <vector>
/**
* Creates zip compressed, single-file archives.
* @see CZipArchive
*/
class CZipArchiveFactory : public IArchiveFactory {
public:
CZipArchiveFactory(): IArchiveFactory("sdz") {}
private:
IArchive* DoCreateArchive(const std::string& filePath) const override;
};
/**
* A zip compressed, single-file archive.
*/
class CZipArchive : public CBufferedArchive
{
public:
CZipArchive(const std::string& archiveName);
virtual ~CZipArchive();
int GetType() const override { return ARCHIVE_TYPE_SDZ; }
bool IsOpen() override { return (zip != nullptr); }
unsigned int NumFiles() const override { return (fileEntries.size()); }
void FileInfo(unsigned int fid, std::string& name, int& size) const override;
#if 0
unsigned int GetCrc32(unsigned int fid) {
assert(IsFileId(fid));
return fileEntries[fid].crc;
}
#endif
protected:
unzFile zip;
// actual data is in BufferedArchive
struct FileEntry {
unz_file_pos fp;
int size;
std::string origName;
unsigned int crc;
};
std::vector<FileEntry> fileEntries;
int GetFileImpl(unsigned int fid, std::vector<std::uint8_t>& buffer) override;
};
#endif // _ZIP_ARCHIVE_H
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