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eo/src/other/eoString.h

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+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoString.h
+// (c) GeNeura Team, 1998
+/* 
+    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 _eoString_H
+#define _eoString_H
+
+// STL libraries
+#include <string>		
+#include <stdexcept>
+
+using namespace std;
+
+// EO headers
+#include <eo1d.h>
+
+//-----------------------------------------------------------------------------
+// eoString
+//-----------------------------------------------------------------------------
+
+/** Adaptor that turns an STL string into an EO */
+template <class fitnessT >
+class eoString: public eo1d<char, fitnessT>, public string {
+public:
+
+	/// Canonical part of the objects: several ctors, copy ctor, dtor and assignment operator
+	//@{
+	/// ctor
+	eoString( const string& _str ="" )
+		: eo1d<char, fitnessT>(), string( _str ) {};
+
+	
+	/** Ctor using a random number generator
+	@param _size Lineal length of the object
+	@param _rnd a random number generator, which returns a random value each time it´s called
+	*/
+	eoString( unsigned _size, eoRnd<char>& _rnd )
+		: eo1d<char, fitnessT>(), string(){ 
+		for ( unsigned i = 0; i < _size; i ++ ) {
+			*this += _rnd();
+		}
+	};
+
+  	/** Ctor from a stream
+	@param _s input stream
+	*/
+	eoString( istream & _s )
+	  : eo1d<char, fitnessT>(){ 
+	  _s >> *this;
+	};
+
+	/// copy ctor
+	eoString( const eoString<fitnessT>& _eoStr )
+		:eo1d<char, fitnessT>( static_cast<const eo1d<char, fitnessT> & > ( _eoStr ) ), 
+	  string( _eoStr ){};
+
+	/// Assignment operator
+	const eoString& operator =( const eoString& _eoStr ) {
+		if ( this != & _eoStr ) {
+			eo1d<char, fitnessT>::operator = ( _eoStr );
+			string::operator = ( _eoStr );
+		}
+		return *this;
+	}
+
+	/// dtor
+	virtual ~eoString() {};
+//@}
+
+
+	/** methods that implement the eo1d <em>protocol</em>
+	    @exception out_of_range if _i is larger than EO´s size
+	*/
+	virtual char getGene( unsigned _i ) const {
+		if ( _i >= length() ) 
+			throw out_of_range( "out_of_range when reading gene");
+		return (*this)[_i];
+	};
+	
+	/** methods that implement the eo1d <em>protocol</em>
+	    @exception out_of_range if _i is larger than EO´s size
+	*/
+	virtual void setGene( unsigned _i, const char& _value )  {
+	  if ( _i >= size() )
+	    throw out_of_range( "out_of_range when writing a gene");
+	  (*this)[_i] = _value;
+	};
+
+	/** Inserts a value after _i, displacing anything to the right
+	 @exception out_of_range if _i is larger than EO´s size
+	 */
+	virtual void insertGene( unsigned _i, char _val ) {
+		if (_i <= this->size() ) {
+			string::iterator i = this->begin()+_i;
+			this->insert( i, _val );
+		} else 
+			throw out_of_range( "out_of_range when inserting gene");
+	};
+
+	/** Eliminates the gene at position _i
+	 @exception out_of_range if _i is larger than EO´s size
+	 */
+	virtual void deleteGene( unsigned _i ) { 
+	  if (_i < this->size() ) {
+	    string::iterator i = this->begin()+_i;
+	    this->erase( i );
+	  } else 
+	    throw out_of_range( "out_of_range when deleting gene");
+	};
+	
+	/// methods that implement the EO <em>protocol</em>
+	virtual unsigned length() const { return this->size(); };
+
+	/** @name Methods from eoObject
+	readFrom and printOn are directly inherited from eo1d
+	*/
+	//@{
+	/** Inherited from eoObject 
+		  @see eoObject
+	*/
+	virtual string className() const {return "eoString";};
+    //@}
+	
+
+};
+
+#endif
+