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author | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:21:13 +0100 |
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committer | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:21:13 +0100 |
commit | 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 (patch) | |
tree | 7c2f76d5e9281c130e60fb932c4dda89a49863b6 /CryptoPP/gzip.h | |
parent | Moved source to src (diff) | |
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Diffstat (limited to 'CryptoPP/gzip.h')
-rw-r--r-- | CryptoPP/gzip.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/CryptoPP/gzip.h b/CryptoPP/gzip.h deleted file mode 100644 index f3148ad71..000000000 --- a/CryptoPP/gzip.h +++ /dev/null @@ -1,65 +0,0 @@ -#ifndef CRYPTOPP_GZIP_H -#define CRYPTOPP_GZIP_H - -#include "zdeflate.h" -#include "zinflate.h" -#include "crc.h" - -NAMESPACE_BEGIN(CryptoPP) - -/// GZIP Compression (RFC 1952) -class Gzip : public Deflator -{ -public: - Gzip(BufferedTransformation *attachment=NULL, unsigned int deflateLevel=DEFAULT_DEFLATE_LEVEL, unsigned int log2WindowSize=DEFAULT_LOG2_WINDOW_SIZE, bool detectUncompressible=true) - : Deflator(attachment, deflateLevel, log2WindowSize, detectUncompressible) {} - Gzip(const NameValuePairs ¶meters, BufferedTransformation *attachment=NULL) - : Deflator(parameters, attachment) {} - -protected: - enum {MAGIC1=0x1f, MAGIC2=0x8b, // flags for the header - DEFLATED=8, FAST=4, SLOW=2}; - - void WritePrestreamHeader(); - void ProcessUncompressedData(const byte *string, size_t length); - void WritePoststreamTail(); - - word32 m_totalLen; - CRC32 m_crc; -}; - -/// GZIP Decompression (RFC 1952) -class Gunzip : public Inflator -{ -public: - typedef Inflator::Err Err; - class HeaderErr : public Err {public: HeaderErr() : Err(INVALID_DATA_FORMAT, "Gunzip: header decoding error") {}}; - class TailErr : public Err {public: TailErr() : Err(INVALID_DATA_FORMAT, "Gunzip: tail too short") {}}; - class CrcErr : public Err {public: CrcErr() : Err(DATA_INTEGRITY_CHECK_FAILED, "Gunzip: CRC check error") {}}; - class LengthErr : public Err {public: LengthErr() : Err(DATA_INTEGRITY_CHECK_FAILED, "Gunzip: length check error") {}}; - - /*! \param repeat decompress multiple compressed streams in series - \param autoSignalPropagation 0 to turn off MessageEnd signal - */ - Gunzip(BufferedTransformation *attachment = NULL, bool repeat = false, int autoSignalPropagation = -1); - -protected: - enum {MAGIC1=0x1f, MAGIC2=0x8b, // flags for the header - DEFLATED=8}; - - enum FLAG_MASKS { - CONTINUED=2, EXTRA_FIELDS=4, FILENAME=8, COMMENTS=16, ENCRYPTED=32}; - - unsigned int MaxPrestreamHeaderSize() const {return 1024;} - void ProcessPrestreamHeader(); - void ProcessDecompressedData(const byte *string, size_t length); - unsigned int MaxPoststreamTailSize() const {return 8;} - void ProcessPoststreamTail(); - - word32 m_length; - CRC32 m_crc; -}; - -NAMESPACE_END - -#endif |