txt_parser.cpp

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// Copyright (C) 2011 Lutz Foucar

/**
 * @file txt_parser.cpp contains class to parse txt ascii files
 *
 * @author Lutz Foucar
 */

#include <fstream>
#include <iostream>
#include <tr1/memory>

#include "txt_parser.h"

#include "cass_settings.h"
#include "file_reader.h"
#include "cass_event.h"
#include "input_base.h"

using namespace cass;
using namespace std;
using namespace std::tr1;

void TxtParser::runthis()
{
  ifstream &file(*(_readerpointerpair.second._filestream));
  file.seekg (0, ios::end);
  const streampos filesize(file.tellg());
  file.seekg (0, ios::beg);

  FileReader& read(*_readerpointerpair.first);
  read.readHeaderInfo(file);

  std::tr1::shared_ptr<CASSEvent> event(new CASSEvent);
  streampos eventstartpos;
  while((!InputBase::reference().shouldQuit()) && (file.tellg()<filesize))
  {
    eventstartpos = file.tellg();
    read(file,*event);
    savePos(eventstartpos,event->id());
  }

//  Splitter split;
//  string headerline;
//  vector<string> headers;
//  while (true)
//  {
//    getline(file, headerline);
//    headers.clear();
//    split(headerline,headers,delim);
//    if (!headers.empty() &&
//        !QString::fromStdString(headerline).contains("GMD (GMD_DATA)  - GMD main vlaues"))
//      break;
//  }
//  cout <<"TxtParser: the txt file contains the following variables:";
//  vector<string>::const_iterator h(headers.begin());
//  for (; h != headers.end();++h)
//    cout <<"'"<<*h<<"',";
//  cout <<endl;

//  string line;
//  vector<double> values;
//  map<string,double> head2value;
//  streampos eventstartpos;
//  while(file.tellg()<filesize)
//  {
//    while(true)
//    {
//      eventstartpos = file.tellg();
//      getline(file, line);
//      values.clear();
//      split(line,values,delim);
//      if (!values.empty())
//        break;
//    }
//    if(headers.size() != values.size())
//      throw runtime_error("TxtParser():There are not enough values for the amount of values suggested by the header");

//    vector<double>::const_iterator value(values.begin());
//    vector<string>::const_iterator head(headers.begin());
//    for (;value != values.end(); ++value, ++head)
//    {
//      head2value[*head] = *value;
////      cout << "'"<<*head<<"'="<<*value<<", ";
//    }
////    cout <<endl;
//    const uint64_t eventId(head2value[eventIdhead]);
//    savePos(eventstartpos,eventId);
//  }
}