ziparchive.h

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#pragma once
//------------------------------------------------------------------------------
#include "io/archfs/archivebase.h"
#include "minizip/unzip.h"
#include "io/zipfs/zipfileentry.h"
#include "io/zipfs/zipdirentry.h"
 
//------------------------------------------------------------------------------
namespace IO
{
class ZipArchive : public ArchiveBase
{
    __DeclareClass(ZipArchive);
public:
    ZipArchive();
    virtual ~ZipArchive();

    bool Setup(const URI& uri, const Util::String& rootPath = "");
    void Discard();

    Util::Array<Util::String> ListFiles(const Util::String& dirPathInArchive, const Util::String& pattern) const;
    Util::Array<Util::String> ListDirectories(const Util::String& dirPathInArchive, const Util::String& pattern) const;
    URI ConvertToArchiveURI(const URI& fileURI) const;
    Util::String ConvertToPathInArchive(const Util::String& absPath) const;
 
private:
    friend class ZipFileSystem;
    friend class ZipFileStream;

    void ParseTableOfContents();
    void AddEntry(const Util::String& path);
    const ZipFileEntry* FindFileEntry(const Util::String& pathInZipArchive) const;
    ZipFileEntry* FindFileEntry(const Util::String& pathInZipArchive);
    const ZipDirEntry* FindDirEntry(const Util::String& pathInZipArchive) const;
 
    Util::String rootPath;                      // location of the zip archive file
    unzFile zipFileHandle;                      // the zip file handle
    ZipDirEntry rootEntry;                      // the root entry of the zip archive
    Threading::CriticalSection archiveCritSect; // need to serialize access to archive from multiple threads!
    zlib_filefunc64_def zlibIoFuncs;            // io functions struct from zlib to nebula
};
 
} // namespace IO
//------------------------------------------------------------------------------