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#pragma once
#ifndef VPVL2_EXTENSIONS_ARCHIVE_H_
#define VPVL2_EXTENSIONS_ARCHIVE_H_

#include <vpvl2/IEncoding.h>
#include <vpvl2/extensions/icu4c/String.h>

#include <vpvl2/extensions/minizip/ioapi.h>
#include <vpvl2/extensions/minizip/unzip.h>

#include <map>
#include <set>
#include <vector>

#include <unicode/unistr.h>

namespace vpvl2
{
namespace extensions
{
using namespace icu4c;

class VPVL2_API Archive
{
public:
    typedef std::vector<UnicodeString> EntryNames;
    typedef std::set<std::string> EntrySet;
    enum ErrorType {
        kNone,
        kGetCurrentFileError,
        kGoToNextFileError,
        kGoToFirstFileError,
        kOpenCurrentFileError,
        kReadCurrentFileError,
        kCloseCurrentFileError,
        kMaxError
    };

    explicit Archive(IEncoding *encoding);
    ~Archive();

    bool open(const IString *filename, EntryNames &entries);
    bool close();
    bool uncompress(const EntrySet &entries);
    void replaceFilePath(const UnicodeString &from, const UnicodeString &to);
    void restoreOriginalEntries();
    Archive::ErrorType error() const;
    const EntryNames entryNames() const;
    const std::string *data(const UnicodeString &name) const;

private:
    typedef std::map<UnicodeString, std::string, String::Less> Entries;
    typedef std::map<UnicodeString, const std::string *, String::Less> EntriesRef;
    unzFile m_file;
    unz_global_info m_header;
    ErrorType m_error;
    const IEncoding *m_encodingRef;
    Entries m_originalEntries;
    EntriesRef m_filteredEntriesRef;

    VPVL2_DISABLE_COPY_AND_ASSIGN(Archive)
};

} /* namespace extensions */
} /* namespace vpvl2 */

#endif
