00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 3 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * Written (W) 1999-2009 Soeren Sonnenburg 00008 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _CSTRINGPREPROC__H__ 00012 #define _CSTRINGPREPROC__H__ 00013 00014 #include <shogun/features/Features.h> 00015 #include <shogun/features/StringFeatures.h> 00016 #include <shogun/lib/common.h> 00017 #include <shogun/preprocessor/Preprocessor.h> 00018 00019 namespace shogun 00020 { 00021 template <class ST> class CStringFeatures; 00022 00030 template <class ST> class CStringPreprocessor : public CPreprocessor 00031 { 00032 public: 00035 CStringPreprocessor() : CPreprocessor() {} 00036 00040 virtual bool apply_to_string_features(CFeatures* f)=0; 00041 00043 virtual ST* apply_to_string(ST* f, int32_t &len)=0; 00044 00046 inline virtual EFeatureClass get_feature_class() { return C_STRING; } 00048 inline virtual EFeatureType get_feature_type(); 00049 00051 virtual inline const char* get_name() const { return "UNKNOWN"; } 00052 00054 virtual inline EPreprocessorType get_type() const { return P_UNKNOWN; } 00055 00056 }; 00057 00058 template<> inline EFeatureType CStringPreprocessor<uint64_t>::get_feature_type() 00059 { 00060 return F_ULONG; 00061 } 00062 00063 template<> inline EFeatureType CStringPreprocessor<int64_t>::get_feature_type() 00064 { 00065 return F_LONG; 00066 } 00067 00068 template<> inline EFeatureType CStringPreprocessor<uint32_t>::get_feature_type() 00069 { 00070 return F_UINT; 00071 } 00072 00073 template<> inline EFeatureType CStringPreprocessor<int32_t>::get_feature_type() 00074 { 00075 return F_INT; 00076 } 00077 00078 template<> inline EFeatureType CStringPreprocessor<uint16_t>::get_feature_type() 00079 { 00080 return F_WORD; 00081 } 00082 00083 template<> inline EFeatureType CStringPreprocessor<int16_t>::get_feature_type() 00084 { 00085 return F_WORD; 00086 } 00087 00088 template<> inline EFeatureType CStringPreprocessor<uint8_t>::get_feature_type() 00089 { 00090 return F_BYTE; 00091 } 00092 00093 template<> inline EFeatureType CStringPreprocessor<int8_t>::get_feature_type() 00094 { 00095 return F_BYTE; 00096 } 00097 00098 template<> inline EFeatureType CStringPreprocessor<char>::get_feature_type() 00099 { 00100 return F_CHAR; 00101 } 00102 00103 template<> inline EFeatureType CStringPreprocessor<bool>::get_feature_type() 00104 { 00105 return F_BOOL; 00106 } 00107 00108 template<> inline EFeatureType CStringPreprocessor<float32_t>::get_feature_type() 00109 { 00110 return F_SHORTREAL; 00111 } 00112 00113 template<> inline EFeatureType CStringPreprocessor<float64_t>::get_feature_type() 00114 { 00115 return F_DREAL; 00116 } 00117 00118 template<> inline EFeatureType CStringPreprocessor<floatmax_t>::get_feature_type() 00119 { 00120 return F_LONGREAL; 00121 } 00122 00123 } 00124 #endif