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zipreader.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#ifndef _ZIPREADER_H_
#define _ZIPREADER_H_
#include "portdefs.h"
#define ZF_SEARCH_START 0x08000000
#define ZF_SEARCH_END 0x09000000
#define ZF_SEARCH_STRIDE 16

00030 class ZipFile {

00032       struct FileHeader {
            char magic[4];          // Header (0x04034B50)              0
            u16 minVersion;         // Version needed to extract  4
            u16 flags;              // Flags                                  6
            u16 comp;               // Compression method               8
            u16 modTime;            // Last modified file time          A
            u16 modDate;            // Last modified file data          C
            u32 crc32;              // CRC32                                  F
            u32 compSize;           // Compressed size
            u32 fileSize;           // Uncompressed file size
            u16 nameLength;         // Length of the filename
            u16 extraLength;  // Length of any extra data
      } __attribute__ ((packed));

      char* _zipFile;
      char _directory[128];

      bool _allFilesVisible;

      FileHeader* _currentFile;

public:
      ZipFile();

      bool isReady();

      // These operations set the current file
      bool restartFile();
      bool skipFile();
      bool findFile(const char *search);

      // These return the file's data and information
      char* getFile();
      int getFileSize();
      void getFileName(char* name);
      bool isDirectory();

      // These set the current directory
      void changeDirectory(const char* name);
      void changeToRoot();
      void setAllFilesVisible(bool state) { _allFilesVisible = state; }

      bool currentFileInFolder();
};


#endif

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