JCSV.cc

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#include <iostream>
#include <iomanip>
#include <vector>
#include <deque>
#include <set>
#include <map>
#include <iterator>
#include <algorithm>

#include "JLang/JCSV.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

namespace {

  /**
   * Get element in buffer at given index.
   * 
   * \param  buffer         buffer
   * \param  index          index
   * \return                element
   */
  template<class T>
  inline typename T::value_type get(const T& buffer, int index)
  {
    typename T::const_iterator p = buffer.begin();

    advance(p, index);

    return *p;
  }
}


/**
 * \file
 *
 * Example program to test assignment of comma separated values (see JCSV.hh).
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  int debug;

  try {

    JParser<> zap("Example program to test assignment of comma separated values.");

    zap['d'] = make_field(debug)     = 0;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  const int a =  7;
  const int b =  8;
  const int c =  9;
  const int d = 10;
  
  {
    vector<int> buffer;

    assign(buffer) = a, b, c, d;

    ASSERT(get(buffer,0) == a);
    ASSERT(get(buffer,1) == b);
    ASSERT(get(buffer,2) == c);
    ASSERT(get(buffer,3) == d);
  }

  {
    set<int> buffer;

    assign(buffer) = d, c, b, a;
    
    ASSERT(get(buffer,0) == a);
    ASSERT(get(buffer,1) == b);
    ASSERT(get(buffer,2) == c);
    ASSERT(get(buffer,3) == d);
  }

  {
    map<int, int> buffer;

    assign(buffer) = make_pair(1,-1), make_pair(2,-2), make_pair(3,-3), make_pair(4,-4);

    ASSERT(buffer[1] == -1);
    ASSERT(buffer[2] == -2);
    ASSERT(buffer[3] == -3);
    ASSERT(buffer[4] == -4);
  }
  
  {
    deque<int> buffer;

    assign(front_inserter(buffer)) = b, a;
    assign(back_inserter (buffer)) = c, d;
    
    ASSERT(get(buffer,0) == a);
    ASSERT(get(buffer,1) == b);
    ASSERT(get(buffer,2) == c);
    ASSERT(get(buffer,3) == d);
  }

  return 0;
}