PLearn 0.1
StringTable.h
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00001 // -*- C++ -*-
00002 
00003 // Copyright (c) 2002 by Julien Keable
00004 
00005 // Redistribution and use in source and binary forms, with or without
00006 // modification, are permitted provided that the following conditions are met:
00007 // 
00008 //  1. Redistributions of source code must retain the above copyright
00009 //     notice, this list of conditions and the following disclaimer.
00010 // 
00011 //  2. Redistributions in binary form must reproduce the above copyright
00012 //     notice, this list of conditions and the following disclaimer in the
00013 //     documentation and/or other materials provided with the distribution.
00014 // 
00015 //  3. The name of the authors may not be used to endorse or promote
00016 //     products derived from this software without specific prior written
00017 //     permission.
00018 // 
00019 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00020 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00021 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00022 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00023 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00024 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00025 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00026 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00027 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00028 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029 // 
00030 // This file is part of the PLearn library. For more information on the PLearn
00031 // library, go to the PLearn Web site at www.plearn.org
00032 
00033 #ifndef STRTABLE_INC
00034 #define STRTABLE_INC
00035 
00036 #include <string>
00037 #include <vector>
00038 #include <map>
00039 #include <list>
00040 #include <plearn/math/TMat.h>
00041 
00042 namespace PLearn {
00043 using namespace std;
00044 
00045 
00046 using namespace std;
00047 
00048 
00049 class StringTable
00050 {
00051     TMat<string> data;
00052     vector<string> fieldnames; // fieldnames
00053     map<string, int> rev_fn;   // maps fieldnames to column numbers
00054 
00055 public:
00056     /* construct a string table from a '.strtable' file
00057        File format is:
00058 
00059        #size: length width [optionnal]
00060        #: fieldname1 fieldname2 ... [optionnal]
00061        f1;f2;f3
00062        f1;f2;f3
00063        ...
00064      
00065        e.g:
00066        #:date bench machine compiler compilerOpt custCompilation custExecution benchOpt userTime realTime result
00067        2002/08/20 15:43:47;nearest;P3;pymake;-opt;;;-nrepeat 1 -ndata 1000 -nfeat 50;1.11;1.11;3.08696
00068        2002/08/20 15:43:47;nearest;P3;pymake;-opt;;;-nrepeat 1 -ndata 1000 -nfeat 100;2.13;2.13;8.36876
00069        ...
00070     */
00071 
00072 
00073     StringTable(const string & filename);
00074     StringTable();
00075     inline int length() const {return data.length();}
00076     inline int width() const {return data.width();}
00077     inline string& operator()(int i,int j){return data(i,j);}
00078     inline TVec<string> operator()(int i)const {return data(i);}
00079     // next 2 functions are to construct a string table on the fly
00080     // (don't bother with them if you're only loading .strtable files)
00081     void appendRow(const list<pair<string,string> >& row);
00082     void declareFields(const list<pair<string,string> > &row);
00083     friend ostream& operator<<(ostream& out,const StringTable& st);
00084     string getFieldName(int i)const {return fieldnames[i];}
00085 };
00086 
00087 } // end of namespace PLearn
00088 
00089 
00090 #endif
00091 
00092 
00093 /*
00094   Local Variables:
00095   mode:c++
00096   c-basic-offset:4
00097   c-file-style:"stroustrup"
00098   c-file-offsets:((innamespace . 0)(inline-open . 0))
00099   indent-tabs-mode:nil
00100   fill-column:79
00101   End:
00102 */
00103 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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