120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
#ifndef ZIPOUTPUTSTREAMBUF_H
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#define ZIPOUTPUTSTREAMBUF_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 "deflateoutputstreambuf.h"
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#include "ziphead.h"
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namespace zipios {
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/** ZipOutputStreambuf is a zip output streambuf filter. */
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class ZipOutputStreambuf : public DeflateOutputStreambuf {
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public:
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enum CompressionLevels { NO_COMPRESSION = Z_NO_COMPRESSION,
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BEST_SPEED = Z_BEST_SPEED,
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BEST_COMPRESSION = Z_BEST_COMPRESSION,
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DEFAULT_COMPRESSION = Z_DEFAULT_COMPRESSION } ;
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/** ZipOutputStreambuf constructor. A newly constructed ZipOutputStreambuf
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is not ready to accept data, putNextEntry() must be invoked first.
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@param outbuf the streambuf to use for input.
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@param del_outbuf if true is specified outbuf will be deleted, when
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the ZipOutputStreambuf is destructed. */
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explicit ZipOutputStreambuf( streambuf *outbuf, bool del_outbuf = 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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/** Calls finish. */
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void close() ;
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/** Closes the current entry (if one is open), then writes the Zip
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Central Directory Structure closing the ZipOutputStream. The
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output stream that the zip archive is being written to is not
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closed. */
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void finish() ;
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/** Begins writing the next entry.
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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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void putNextEntry( const ZipCDirEntry &entry ) ;
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/** Sets the global comment for the Zip archive. */
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void setComment( const string &comment ) ;
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/** Sets the compression level to be used for subsequent entries. */
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void setLevel( int level ) ;
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/** Sets the compression method to be used. only STORED and DEFLATED are
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supported. */
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void setMethod( StorageMethod method ) ;
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/** Destructor. */
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virtual ~ZipOutputStreambuf() ;
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protected:
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virtual int overflow( int c = EOF ) ;
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virtual int sync() ;
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void setEntryClosedState() ;
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void updateEntryHeaderInfo() ;
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// Should/could be moved to zipheadio.h ?!
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static void writeCentralDirectory( const vector< ZipCDirEntry > &entries,
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EndOfCentralDirectory eocd,
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ostream &os ) ;
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private:
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string _zip_comment ;
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vector< ZipCDirEntry > _entries ;
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bool _open_entry ;
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bool _open ;
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StorageMethod _method ;
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int _level ;
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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 ZipOutputStreambuf.
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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 S<>ndergaard
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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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