eo/src/eoString.h

@@ -0,0 +1,122 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoString.h
+// (c) GeNeura Team, 1998
+//-----------------------------------------------------------------------------
+
+#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();
+		}
+	};
+
+	/// 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 gene( 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 char& gene( unsigned _i )  {
+	  if ( _i >= size() )
+	    throw out_of_range( "out_of_range when writing a gene");
+	  return (*this)[_i];
+	};
+
+	/** 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
+	*/
+	string className() const {return "eoString";};
+    //@}
+	
+
+};
+
+#endif