reader.cpp

聚类分析程序 k-means 编译环境 gcc/stl

/*
  
  Text Clustering  Copyright (C) 2004 Debora "Barbara" Donato, Antonio Gulli

  This library is free software; you can redistribute it and/or modify it 
  under the terms of the GNU Lesser General Public License as published by 
  the Free Software Foundation; either version 2.1 of the License, or 
  (at your option) any later version.

  This library is distributed in the hope that it will be useful, but 
  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  License for more details.

  You should have received a copy of the GNU Lesser General Public License 
  along with this library; if not, write to the Free Software Foundation, Inc., 
  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 

*/

#include "Reader.h"

void simpleReader::loadDataSet(Clustering * algo){

  string str;                                 // a support string
  bool gotURL = false;                        // we need the url;

  algo->initDataSet();                        // data set start up

  istream_iterator<string> string_itr(cin);
  do {                                        // get from stin
                                              //   word1
    str = *string_itr;                        //   word2 
    if (str != "quit"){

      if (!gotURL && (str == "urlForClustering")){ // first in the format is the url
	++string_itr;                         // next line is the url
	idToURL.push_back(*string_itr);        // 
	cout << "Got the url:" << *string_itr << "\n";;
	
	++string_itr;                         // next lin
	str = *string_itr;                    //   word
	gotURL = true;
      }

      if (str != "."){     //   word3
	// cout<< str << endl;                //    .  (documents delimiter)
	
	algo->loadInDataSet(str);
      } else {                                // this document closed
	
	algo->finalizeLoadingDocument();
	gotURL=false;
      }
      ++string_itr;                           // next word
    }
  } while (str != "quit");                    //   quit when receive "quit" all documents closed
}