PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // HashMapFeatureSet.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 HashMapFeatureSet_INC 00041 #define HashMapFeatureSet_INC 00042 00043 #include <plearn/feat/FeatureSet.h> 00044 00045 namespace PLearn { 00046 00061 class HashMapFeatureSet : public FeatureSet 00062 { 00063 typedef FeatureSet inherited; 00064 00065 public: 00066 //##### Public Build Options ############################################ 00067 00070 bool report_progress; 00071 00072 public: 00073 //##### Public Member Functions ######################################### 00074 00076 HashMapFeatureSet(); 00077 00078 //##### PLearn::Object Protocol ######################################### 00079 00080 // Declares other standard object methods. 00081 PLEARN_DECLARE_ABSTRACT_OBJECT(HashMapFeatureSet); 00082 00083 // Simply calls inherited::build() then build_() 00084 virtual void build(); 00085 00087 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00088 00090 virtual void getFeatures(string token, TVec<int>& feats); 00091 00093 virtual string getStringFeature(int index); 00094 00096 virtual int getIndexFeature(string str); 00097 00099 virtual int size(); 00100 00102 virtual void addFeatures(string token); 00103 00106 virtual void addFeatures(VMat tokens, int min_freq=-1); 00107 00109 virtual void clear(); 00110 00112 virtual void getNewFeaturesString(string token, TVec<string>& feats_str)=0; 00113 00114 protected: 00115 //##### Protected Options ############################################### 00116 00118 hash_map<int,string> index_to_string_feats; 00120 hash_map<string,int> string_to_index_feats; 00121 00122 protected: 00123 //##### Protected Member Functions ###################################### 00124 00126 static void declareOptions(OptionList& ol); 00127 00128 private: 00129 //##### Private Member Functions ######################################## 00130 00132 void build_(); 00133 00134 private: 00135 //##### Private Data Members ############################################ 00136 00138 TVec<string> f_str; 00139 int index; 00140 }; 00141 00142 // Declares a few other classes and functions related to this class 00143 DECLARE_OBJECT_PTR(HashMapFeatureSet); 00144 00145 } // end of namespace PLearn 00146 00147 #endif 00148 00149 00150 /* 00151 Local Variables: 00152 mode:c++ 00153 c-basic-offset:4 00154 c-file-style:"stroustrup" 00155 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00156 indent-tabs-mode:nil 00157 fill-column:79 00158 End: 00159 */ 00160 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :