90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
#ifndef ZIPINPUTSTREAMBUF_H
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#define ZIPINPUTSTREAMBUF_H
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#include "zipios-config.h"
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#include <vector>
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#include <zlib.h>
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#include "fcoll.h"
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#include "inflateinputstreambuf.h"
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#include "ziphead.h"
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namespace zipios {
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/** ZipInputStreambuf is a zip input streambuf filter.
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*/
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class ZipInputStreambuf : public InflateInputStreambuf {
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public:
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/** ZipInputStreambuf constructor.
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@param inbuf the streambuf to use for input.
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@param s_pos a position to reset the inbuf to before reading. Specify
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-1 to read from the current position.
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@param del_inbuf if true is specified inbuf will be deleted, when
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the ZipInputStreambuf is destructed.
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*/
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explicit ZipInputStreambuf( streambuf *inbuf, int s_pos = -1, bool del_inbuf = false ) ;
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/** Closes the current entry, and positions the stream read pointer at
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the beginning of the next entry (if there is one). */
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void closeEntry() ;
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/** Closes the streambuf. */
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void close() ;
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/** Opens the next entry in the zip archive and returns a const pointer to a
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FileEntry object for the entry.
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@return a const FileEntry * containing information about the (now) current
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entry.
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*/
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ConstEntryPointer getNextEntry() ;
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/** Destructor. */
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virtual ~ZipInputStreambuf() ;
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protected:
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virtual int underflow() ;
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private:
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bool _open_entry ;
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ZipLocalEntry _curr_entry ;
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int _data_start ; // Don't forget entry header has a length too.
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int _remain ; // For STORED entry only. the number of bytes that
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// hasn't been put in the _outvec yet.
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/** Copy-constructor is private to prevent copying. */
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ZipInputStreambuf( const ZipInputStreambuf &src ) ;
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/** Copy-assignment operator is private to prevent copying. */
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const ZipInputStreambuf &operator= ( const ZipInputStreambuf &src ) ;
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};
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} // namespace
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#endif
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/** \file
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Header file that defines ZipInputStreambuf.
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*/
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/*
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Zipios++ - a small C++ library that provides easy access to .zip files.
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Copyright (C) 2000 Thomas Søndergaard
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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