StringPreProc.h

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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 "features/Features.h"
00015 #include "features/StringFeatures.h"
00016 #include "lib/common.h"
00017 #include "preproc/PreProc.h"
00018 
00019 namespace shogun
00020 {
00021 template <class ST> class CStringFeatures;
00022 
00030 template <class ST> class CStringPreProc : public CPreProc
00031 {
00032     public:
00038         CStringPreProc(const char *name, const char* id) : CPreProc(name, id) {}
00039 
00043         virtual bool apply_to_string_features(CFeatures* f)=0;
00044 
00046         virtual ST* apply_to_string(ST* f, int32_t &len)=0;
00047 
00049         inline virtual EFeatureClass get_feature_class() { return C_STRING; }
00051         inline virtual EFeatureType get_feature_type();
00052 };
00053 
00054 template<> inline EFeatureType CStringPreProc<uint64_t>::get_feature_type()
00055 {
00056     return F_ULONG;
00057 }
00058 
00059 template<> inline EFeatureType CStringPreProc<uint16_t>::get_feature_type()
00060 {
00061     return F_WORD;
00062 }
00063 
00064 template<> inline EFeatureType CStringPreProc<uint8_t>::get_feature_type()
00065 {
00066     return F_BYTE;
00067 }
00068 
00069 template<> inline EFeatureType CStringPreProc<char>::get_feature_type()
00070 {
00071     return F_CHAR;
00072 }
00073 }
00074 #endif

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