diff options
Diffstat (limited to 'decoder.h')
| -rw-r--r-- | decoder.h | 23 |
1 files changed, 21 insertions, 2 deletions
@@ -1,5 +1,5 @@ /* Lzip - Data compressor based on the LZMA algorithm - Copyright (C) 2008, 2009, 2010, 2011 Antonio Diaz Diaz. + Copyright (C) 2008, 2009, 2010, 2011, 2012 Antonio Diaz Diaz. 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 @@ -29,8 +29,11 @@ class Range_decoder bool read_block(); + Range_decoder( const Range_decoder & ); + void operator=( const Range_decoder & ); + public: - Range_decoder( const int ifd ) + explicit Range_decoder( const int ifd ) : partial_member_pos( 0 ), buffer( new uint8_t[buffer_size] ), @@ -56,6 +59,19 @@ public: return buffer[pos++]; } + int read( uint8_t * const outbuf, const int size ) + { + int rest = size; + while( rest > 0 && !finished() ) + { + const int rd = std::min( rest, stream_pos - pos ); + std::memcpy( outbuf + size - rest, buffer + pos, rd ); + pos += rd; + rest -= rd; + } + return ( rest > 0 ) ? size - rest : size; + } + void load() { code = 0; @@ -242,6 +258,9 @@ class LZ_decoder } } + LZ_decoder( const LZ_decoder & ); + void operator=( const LZ_decoder & ); + public: LZ_decoder( const File_header & header, Range_decoder & rdec, const int ofd ) : |