Migration from SVN

eo/src/eoOpSelMason.h

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+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoOpSelMason.h
+// (c) GeNeura Team, 1999
+/*
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
+ */
+
+#ifndef _EOOPSELMASON_H
+#define _EOOPSELMASON_H
+
+#include <eoOpFactory.h>	// for eoFactory and eoOpFactory
+
+#include <map>
+
+
+/** EO Mason, or builder, for operator selectors. A builder must allocate memory
+to the objects it builds, and then deallocate it when it gets out of scope
+
+@ingroup Utilities
+*/
+template<class eoClass>
+class eoOpSelMason: public eoFactory<eoOpSelector<eoClass> > {
+
+public:
+        typedef std::vector<eoOp<eoClass>* > vOpP;
+        typedef map<eoOpSelector<eoClass>*, vOpP > MEV;
+
+        /// @name ctors and dtors
+        //{@
+        /// constructor
+        eoOpSelMason( eoOpFactory<eoClass>& _opFact): operatorFactory( _opFact ) {};
+
+        /// destructor
+        virtual ~eoOpSelMason() {};
+        //@}
+
+        /** Factory methods: creates an object from an std::istream, reading from
+        it whatever is needed to create the object. The format is
+        opSelClassName\\
+        rate 1 operator1\\
+        rate 2 operator2\\
+        ...\\
+        Stores all operators built in a database (#allocMap#), so that somebody
+        can destroy them later. The Mason is in charge or destroying the operators,
+        since the built object can´t do it itself. The objects built must be destroyed
+        from outside, using the "destroy" method
+        */
+        virtual eoOpSelector<eoClass>* make(std::istream& _is) {
+
+                std::string opSelName;
+                _is >> opSelName;
+                eoOpSelector<eoClass>* opSelectorP;
+                // Build the operator selector
+                if ( opSelName == "eoProportionalOpSel" ) {
+                        opSelectorP = new eoProportionalOpSel<eoClass>();
+                }
+
+                // Temp std::vector for storing pointers
+                vOpP tmpPVec;
+                // read operator rate and name
+                while ( _is ) {
+                        float rate;
+                        _is >> rate;
+                        if ( _is ) {
+                                eoOp<eoClass>* op = operatorFactory.make( _is );	// This reads the rest of the line
+                                // Add the operators to the selector, don´t pay attention to the IDs
+                                opSelectorP->addOp( *op, rate );
+                                // Keep it in the store, to destroy later
+                                tmpPVec.push_back( op );
+                        } // if
+                } // while
+
+                // Put it in the map
+                allocMap.insert( MEV::value_type( opSelectorP, tmpPVec ) );
+
+                return opSelectorP;
+        };
+
+        ///@name eoObject methods
+        //@{
+        /** Return the class id */
+        virtual std::string className() const { return "eoOpSelMason"; }
+
+        //@}
+
+private:
+        map<eoOpSelector<eoClass>*,std::vector<eoOp<eoClass>* > > allocMap;
+        eoOpFactory<eoClass>& operatorFactory;
+};
+
+
+#endif