PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // CachedFeatureSet.h 00004 // 00005 // Copyright (C) 2006 Hugo Larochelle 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 // Authors: Hugo Larochelle 00036 00040 #ifndef CachedFeatureSet_INC 00041 #define CachedFeatureSet_INC 00042 00043 #include <plearn/feat/FeatureSet.h> 00044 00045 namespace PLearn { 00046 00057 class CachedFeatureSet : public FeatureSet 00058 { 00059 typedef FeatureSet inherited; 00060 00061 public: 00062 //##### Public Build Options ############################################ 00063 00065 PP<FeatureSet> source; 00068 bool report_progress; 00069 00070 public: 00071 //##### Public Member Functions ######################################### 00072 00074 CachedFeatureSet(); 00075 00076 //##### PLearn::Object Protocol ######################################### 00077 00078 // Declares other standard object methods. 00079 PLEARN_DECLARE_OBJECT(CachedFeatureSet); 00080 00081 // Simply calls inherited::build() then build_() 00082 virtual void build(); 00083 00085 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00086 00088 virtual void getFeatures(string token, TVec<int>& feats); 00089 00091 virtual string getStringFeature(int index); 00092 00094 virtual int getIndexFeature(string str); 00095 00097 virtual int size(); 00098 00100 virtual void addFeatures(string token); 00101 00104 virtual void addFeatures(VMat tokens, int min_freq=-1); 00105 00107 virtual void clear(); 00108 00110 virtual void getNewFeaturesString(string token, TVec<string>& feats_str); 00111 00112 protected: 00113 //##### Protected Options ############################################### 00114 00116 hash_map<string, TVec<int> > token_to_features; 00117 00118 protected: 00119 //##### Protected Member Functions ###################################### 00120 00122 static void declareOptions(OptionList& ol); 00123 00124 private: 00125 //##### Private Member Functions ######################################## 00126 00128 void build_(); 00129 00130 private: 00131 //##### Private Data Members ############################################ 00132 00134 TVec<int> f, f_temp; 00135 int index; 00136 }; 00137 00138 // Declares a few other classes and functions related to this class 00139 DECLARE_OBJECT_PTR(CachedFeatureSet); 00140 00141 } // end of namespace PLearn 00142 00143 #endif 00144 00145 00146 /* 00147 Local Variables: 00148 mode:c++ 00149 c-basic-offset:4 00150 c-file-style:"stroustrup" 00151 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00152 indent-tabs-mode:nil 00153 fill-column:79 00154 End: 00155 */ 00156 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :