src/IO/ZipSource.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef XCSOAR_IO_ZIP_SOURCE_HPP
  25 #define XCSOAR_IO_ZIP_SOURCE_HPP
  26
  27 #include "BufferedSource.hpp"
  28
  29 #include <tchar.h>
  30
  31 struct zzip_file;
  32 struct zzip_dir;
  33
  34 class ZipSource : public BufferedSource<char, 4096u> {
  35 private:
  36   struct zzip_file *file;
  37
  38 public:
  39   ZipSource(struct zzip_dir *dir, const char *path);
  40   ZipSource(const char *path);
  41 #ifdef _UNICODE
  42   ZipSource(const TCHAR *path);
  43 #endif
  44
  45   virtual ~ZipSource();
  46
  47   bool error() const {
  48     return file == NULL;
  49   }
  50
  51 public:
  52   /* virtual methods from class Source */
  53   virtual long GetSize() const override;
  54
  55 protected:
  56   /* virtual methods from class BufferedSource */
  57   virtual unsigned Read(char *p, unsigned n) override;
  58 };
  59
  60 #endif