GZipDecoder.h 2.1 KB

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  1. /* <!-- copyright */
  2. /*
  3. * aria2 - The high speed download utility
  4. *
  5. * Copyright (C) 2006 Tatsuhiro Tsujikawa
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. *
  21. * In addition, as a special exception, the copyright holders give
  22. * permission to link the code of portions of this program with the
  23. * OpenSSL library under certain conditions as described in each
  24. * individual source file, and distribute linked combinations
  25. * including the two.
  26. * You must obey the GNU General Public License in all respects
  27. * for all of the code used other than OpenSSL. If you modify
  28. * file(s) with this exception, you may extend this exception to your
  29. * version of the file(s), but you are not obligated to do so. If you
  30. * do not wish to do so, delete this exception statement from your
  31. * version. If you delete this exception statement from all source
  32. * files in the program, then also delete it here.
  33. */
  34. /* copyright --> */
  35. #ifndef D_GZIP_DECODER_H
  36. #define D_GZIP_DECODER_H
  37. #include "common.h"
  38. #include <string>
  39. #include <zlib.h>
  40. namespace aria2 {
  41. // GZipDecoder can decode both gzip and deflate format.
  42. class GZipDecoder {
  43. private:
  44. z_stream* strm_;
  45. bool finished_;
  46. static const size_t OUTBUF_LENGTH = 16*1024;
  47. static const std::string NAME;
  48. public:
  49. GZipDecoder();
  50. ~GZipDecoder();
  51. void init();
  52. std::string decode(const unsigned char* inbuf, size_t inlen);
  53. bool finished();
  54. void release();
  55. const std::string& getName() const;
  56. };
  57. } // namespace aria2
  58. #endif // D_GZIP_DECODER_H