OpenWalnut
1.4.0
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00001 //--------------------------------------------------------------------------- 00002 // 00003 // Project: OpenWalnut ( http://www.openwalnut.org ) 00004 // 00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS 00006 // For more information see http://www.openwalnut.org/copying 00007 // 00008 // This file is part of OpenWalnut. 00009 // 00010 // OpenWalnut is free software: you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as published by 00012 // the Free Software Foundation, either version 3 of the License, or 00013 // (at your option) any later version. 00014 // 00015 // OpenWalnut is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 // GNU Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public License 00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>. 00022 // 00023 //--------------------------------------------------------------------------- 00024 00025 #ifndef WPROPERTYCONSTRAINTISDIRECTORY_H 00026 #define WPROPERTYCONSTRAINTISDIRECTORY_H 00027 00028 #include "../WPropertyTypes.h" 00029 #include "WPropertyConstraintTypes.h" 00030 00031 /** 00032 * This class allows constraining properties to be existing filenames. This is especially useful for WPropFilename. 00033 */ 00034 template < typename T > 00035 class WPropertyConstraintIsDirectory: public WPropertyVariable< T >::PropertyConstraint 00036 { 00037 public: 00038 /** 00039 * Constructor. 00040 */ 00041 WPropertyConstraintIsDirectory(); 00042 00043 /** 00044 * Destructor. 00045 */ 00046 virtual ~WPropertyConstraintIsDirectory(); 00047 00048 /** 00049 * Checks whether the specified value is a directory or not. 00050 * 00051 * \param property the property whose new value should be set. 00052 * \param value the new value to check 00053 * 00054 * \return true if the file/path is a directory 00055 */ 00056 virtual bool accept( boost::shared_ptr< WPropertyVariable< T > > property, const T& value ); 00057 00058 /** 00059 * Allows simple identification of the real constraint type. 00060 * 00061 * \return the type 00062 */ 00063 virtual PROPERTYCONSTRAINT_TYPE getType(); 00064 00065 /** 00066 * Method to clone the constraint and create a new one with the correct dynamic type. 00067 * 00068 * \return the constraint. 00069 */ 00070 virtual boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > clone(); 00071 00072 private: 00073 }; 00074 00075 template < typename T > 00076 WPropertyConstraintIsDirectory< T >::WPropertyConstraintIsDirectory() 00077 { 00078 } 00079 00080 template < typename T > 00081 WPropertyConstraintIsDirectory< T >::~WPropertyConstraintIsDirectory() 00082 { 00083 } 00084 00085 template < typename T > 00086 bool WPropertyConstraintIsDirectory< T >::accept( boost::shared_ptr< WPropertyVariable< T > > /* property */, const T& value ) 00087 { 00088 return boost::filesystem::is_directory( value ); 00089 } 00090 00091 template < typename T > 00092 PROPERTYCONSTRAINT_TYPE WPropertyConstraintIsDirectory< T >::getType() 00093 { 00094 return PC_ISDIRECTORY; 00095 } 00096 00097 template < typename T > 00098 boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint > WPropertyConstraintIsDirectory< T >::clone() 00099 { 00100 return boost::shared_ptr< typename WPropertyVariable< T >::PropertyConstraint >( new WPropertyConstraintIsDirectory< T >( *this ) ); 00101 } 00102 00103 00104 #endif // WPROPERTYCONSTRAINTISDIRECTORY_H 00105