Common Text Transformation Library: edge

// sample code: edge_sort.cpp
// demonstrates STL sort algorithm applied to a vector of edges

#include <iostream>
#include "cttl/cttl.h"
#include <vector>
#include <algorithm>
#include <iterator> // needed for ostream_iterator

int main()
{
    using namespace cttl;
    input<> inp( "one\ntwo\nthree\nfour\nfive" );

    std::cout << "--------------------------------" << std::endl;
    std::cout << "\t Input data:" << std::endl;
    std::cout << "--------------------------------" << std::endl;
    std::cout << inp.text() << std::endl;
    edge<> universe = new_edge( inp );

    int line_count = universe.second.line();

    std::vector< edge<> > vector_sorted_edges;  // each edge corresponds to a line in the input file

    for ( int ln = 1; ln <= line_count; ++ln ) {
        edge<> tmp = new_edge( universe );      // create new edge
        tmp.first.go_line( ln );                    // navigate edge to the beginning/ending of line ln
        tmp.second.go_line_end( ln );
        vector_sorted_edges.push_back( tmp );       // add edge to the vector to be sorted
    }

    std::cout << "--------------------------------" << std::endl;
    std::cout << "\t Unsorted vector of edges:" << std::endl;
    std::cout << "--------------------------------" << std::endl;
    std::copy(
        vector_sorted_edges.begin(),
        vector_sorted_edges.end(),
        std::ostream_iterator< std::string >( std::cout, "\n" )
        );

    std::sort( vector_sorted_edges.begin(), vector_sorted_edges.end() );

    std::cout << "--------------------------------" << std::endl;
    std::cout << "\t Sorted vector of edges:" << std::endl;
    std::cout << "--------------------------------" << std::endl;
    std::copy(
        vector_sorted_edges.begin(),
        vector_sorted_edges.end(),
        std::ostream_iterator< std::string >( std::cout, "\n" )
        );

    std::cout << "--------------------------------" << std::endl;

    return 0;
}

--------------------------------
         Input data:
--------------------------------
one
two
three
four
five
--------------------------------
         Unsorted vector of edges:
--------------------------------
one
two
three
four
five
--------------------------------
         Sorted vector of edges:
--------------------------------
five
four
one
three
two
--------------------------------

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