FileSourceZip.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _FILESOURCEZIP_H
#define _FILESOURCEZIP_H
 
#include "FileSystem.h"
#include <SDL_stdinc.h>
#include <map>
#include <string>
 
namespace FileSystem {
 
    class FileSourceZip : public FileSource {
    public:
        // for now this needs to be FileSourceFS rather than just FileSource,
        // because we need a FILE* stream access to the .zip file
        FileSourceZip(FileSourceFS &fs, const std::string &zipPath);
        virtual ~FileSourceZip();
 
        virtual FileInfo Lookup(const std::string &path);
        virtual RefCountedPtr<FileData> ReadFile(const std::string &path);
        virtual bool ReadDirectory(const std::string &path, std::vector<FileInfo> &output);
 
    private:
        void *m_archive;
 
        struct FileStat {
            FileStat(Uint32 _index, Uint64 _size, const FileInfo &_info) :
                index(_index),
                size(_size),
                info(_info) {}
            const Uint32 index;
            const Uint64 size;
            const FileInfo info;
        };
 
        struct Directory {
            std::map<std::string, Directory> subdirs;
            std::map<std::string, FileStat> files;
        };
 
        Directory m_root;
 
        bool FindDirectoryAndFile(const std::string &path, const Directory *&dir, std::string &filename);
        void AddFile(const std::string &path, const FileStat &fileStat);
    };
 
} // namespace FileSystem
 
#endif