87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// eoOpFactory.h
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoMonOpFactory.h
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// (c) GeNeura Team, 1998
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/*
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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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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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*/
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//-----------------------------------------------------------------------------
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#ifndef _EOOPFACTORY_H
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#define _EOOPFACTORY_H
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#include <eoFactory.h>
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#include <eoDup.h>
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#include <eoKill.h>
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#include <eoTranspose.h>
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#include <eoXOver2.h>
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//-----------------------------------------------------------------------------
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/** EO Factory. An instance of the factory class to create monary operators.
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@see eoSelect*/
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template< class EOT>
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class eoOpFactory: public eoFactory< eoOp<EOT> > {
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public:
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/// @name ctors and dtors
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//{@
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/// constructor
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eoOpFactory( ) {}
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/// destructor
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virtual ~eoOpFactory() {}
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//@}
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/** Another factory method: creates an object from an istream, reading from
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it whatever is needed to create the object. Usually, the format for the istream will be\\
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objectType parameter1 parameter2 ... parametern\\
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If there are problems, an exception is raised; it should be caught at the
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upper level, because it might be something for that level
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@param _is an stream from where a single line will be read
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@throw runtime_exception if the object type is not known
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*/
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virtual eoOp<EOT>* make(istream& _is) {
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eoOp<EOT> * opPtr = NULL;
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string objectTypeStr;
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_is >> objectTypeStr;
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if ( objectTypeStr == "eoDup") {
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opPtr = new eoDup<EOT>();
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}
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if ( objectTypeStr == "eoKill" ) {
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opPtr = new eoKill<EOT>( );
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}
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if ( objectTypeStr == "eoTranspose" ) {
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opPtr = new eoTranspose<EOT>( );
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}
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if ( objectTypeStr == "eoXOver2" ) {
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opPtr = new eoXOver2<EOT>( );
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}
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if ( !opPtr ) {
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throw objectTypeStr;
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}
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return opPtr;
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};
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};
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#endif _EOOPFACTORY_H
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