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#include <string>
#include <fstream>
#include <iostream>
#include <vector>
#include <map>
using namespace std;
typedef pair<double,double> Point;
int main(void)
{
ifstream location_file("london-locations.csv"), path_file("london.txt");
string id,sx,sy;
map<string,Point> idlookup;
while (getline(location_file,id,','))
{
getline(location_file,sx,',');
getline(location_file,sy,'\n');
char *e;
double x = strtod(sx.c_str(),&e), y = strtod(sy.c_str(),&e);
cout << id << " (" << x << "," << y << ")"<< endl;
idlookup[id]=make_pair(x,y);
}
string l;
vector<vector<Point> > paths;
while (getline(path_file,l,'\n')) {
vector<Point> ps;
if(l.size() < 2) continue; // skip blank lines
if(l.find(":",0)!=string::npos) continue; // skip labels
string::size_type p=0,q;
while((q=l.find(",",p))!=string::npos || p < l.size() && (q = l.size()-1)) {
id = l.substr(p,q-p);
cout << id << ",";
ps.push_back(idlookup[id]);
p=q+1;
}
paths.push_back(ps);
cout << "*******************************************" << endl;
}
for(unsigned i=0;i<paths.size();i++) {
vector<Point> ps=paths[i];
for(unsigned j=0;j<ps.size();j++) {
double x=ps[j].first, y=ps[j].second;
cout << "(" << x << "," << y << ")" << ",";
}
cout << endl;
}
return(0);
}
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