zipinputstream.cpp Source File

00001 
00002 #include "zipios++/zipios-config.h"
00003 
00004 #include "zipios++/meta-iostreams.h"
00005 
00006 #include "zipios++/zipinputstreambuf.h"
00007 #include "zipios++/zipinputstream.h"
00008 
00009 namespace zipios {
00010 
00011 ZipInputStream::ZipInputStream( istream &is, streampos pos ) 
00012   : istream( 0 ), 
00013 // SGIs basic_ifstream calls istream with 0, but calls basic_ios constructor first??
00014     ifs( 0 )
00015 {
00016   izf = new ZipInputStreambuf( is.rdbuf(), pos ) ;
00017 //  this->rdbuf( izf ) ; is replaced by:
00018   this->init( izf ) ;
00019 }
00020 
00021 ZipInputStream::ZipInputStream( const string &filename, streampos pos )
00022   : istream( 0 ),
00023     ifs( 0 )
00024 {
00025   ifs = new ifstream( filename.c_str(), ios::in | ios::binary ) ;
00026   izf = new ZipInputStreambuf( ifs->rdbuf(), pos ) ;
00027 //  this->rdbuf( izf ) ; is replaced by:
00028   this->init( izf ) ;
00029 }
00030 
00031 int ZipInputStream::available() {
00032   return 1 ; // FIXME: Dummy implementation
00033 }
00034 
00035 void ZipInputStream::closeEntry() {
00036   izf->closeEntry() ;
00037 }
00038 
00039 void ZipInputStream::close() {
00040   izf->close() ;  
00041 }
00042 
00043 //    ZipLocalEntry *ZipInputStream::createZipCDirEntry( const string
00044 //    &name ) {}
00045 
00046 ConstEntryPointer ZipInputStream::getNextEntry() {
00047   clear() ; // clear eof and other flags.
00048   return izf->getNextEntry() ;
00049 }
00050 
00051 ZipInputStream::~ZipInputStream() {
00052   // It's ok to call delete with a Null pointer.
00053   delete izf ;
00054   delete ifs ;
00055 }
00056 
00057 } // namespace
00058 
00063 /*
00064   Zipios++ - a small C++ library that provides easy access to .zip files.
00065   Copyright (C) 2000  Thomas Søndergaard
00066   
00067   This library is free software; you can redistribute it and/or
00068   modify it under the terms of the GNU Lesser General Public
00069   License as published by the Free Software Foundation; either
00070   version 2 of the License, or (at your option) any later version.
00071   
00072   This library is distributed in the hope that it will be useful,
00073   but WITHOUT ANY WARRANTY; without even the implied warranty of
00074   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00075   Lesser General Public License for more details.
00076   
00077   You should have received a copy of the GNU Lesser General Public
00078   License along with this library; if not, write to the Free Software
00079   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
00080 */