PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // SourceVMatrix.h 00004 // 00005 // Copyright (C) 2003 Pascal Vincent 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 /* ******************************************************* 00036 * $Id: SourceVMatrix.h 8709 2008-03-20 16:39:48Z nouiz $ 00037 ******************************************************* */ 00038 00039 // Authors: Pascal Vincent 00040 00043 /* 00044 SourceVmatrix is a base class for vmatrices that are defined as a function of 00045 another vmatrix (the "source"). 00046 00047 It has a source buildoption to specify said source. 00048 00049 */ 00050 00051 00052 #ifndef SourceVMatrix_INC 00053 #define SourceVMatrix_INC 00054 00055 #include "RowBufferedVMatrix.h" 00056 #include "VMat.h" 00057 00058 namespace PLearn { 00059 using namespace std; 00060 00061 class SourceVMatrix: public RowBufferedVMatrix 00062 { 00063 00064 private: 00065 00066 typedef RowBufferedVMatrix inherited; 00067 00068 protected: 00069 00070 // ********************* 00071 // * protected options * 00072 // ********************* 00073 00074 // Fields below are not options. 00075 00078 mutable Vec sourcerow; 00079 00080 public: 00081 00082 // ************************ 00083 // * public build options * 00084 // ************************ 00085 00086 VMat source; 00087 00088 bool deep_copy_source;//Default true, if true, we deep copy the source 00089 00090 // TVec<string> dependencies; // a list of paths to files that this VMat depends on 00091 00092 // **************** 00093 // * Constructors * 00094 // **************** 00095 00096 // Default constructor, make sure the implementation in the .cc 00097 // initializes all fields to reasonable default values. 00098 SourceVMatrix(bool call_build_ = false); 00099 00100 SourceVMatrix(VMat the_source, bool call_build_ = false); 00101 00102 SourceVMatrix(VMat the_source, int the_length, int the_width, 00103 bool call_build_ = false); 00104 00105 // ****************** 00106 // * Object methods * 00107 // ****************** 00108 00109 private: 00111 // (Please implement in .cc) 00112 void build_(); 00113 00114 protected: 00116 // (Please implement in .cc) 00117 static void declareOptions(OptionList& ol); 00118 00123 void setMetaInfoFromSource(); 00124 00126 virtual void getNewRow(int i, const Vec& v) const; 00127 00128 public: 00129 00131 00134 virtual void setMetaDataDir(const PPath& the_metadatadir); 00135 00136 // simply calls inherited::build() then build_() 00137 virtual void build(); 00138 00140 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00141 00143 PLEARN_DECLARE_OBJECT(SourceVMatrix); 00144 00147 virtual PP<Dictionary> getDictionary(int col) const; 00148 00150 virtual void getValues(int row, int col, Vec& values) const; 00151 00153 virtual void getValues(const Vec& input, int col, Vec& values) const; 00154 00155 }; 00156 00157 DECLARE_OBJECT_PTR(SourceVMatrix); 00158 00159 } // end of namespace PLearn 00160 #endif 00161 00162 00163 /* 00164 Local Variables: 00165 mode:c++ 00166 c-basic-offset:4 00167 c-file-style:"stroustrup" 00168 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00169 indent-tabs-mode:nil 00170 fill-column:79 00171 End: 00172 */ 00173 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :