osmforcpp_2line.osm

<?xml version="1.0" encoding="UTF-8"?>
<osm version="0.6" generator="CGImap 0.0.2">
    <bounds minlat="54.0889580" minlon="12.2487570" maxlat="54.0913900" maxlon="12.2524800"/>
    <node id="298884269" lat="54.0901746" lon="12.2482632" user="SvenHRO" uid="46882" visible="true" version="1" changeset="676636" timestamp="2008-09-21T21:37:45Z"/>
    <node id="261728686" lat="54.0906309" lon="12.2441924" user="PikoWinter" uid="36744" visible="true" version="1" changeset="323878" timestamp="2008-05-03T13:39:23Z"/>
    <node id="1831881213" version="1" changeset="12370172" lat="54.0900666" lon="12.2539381" user="lafkor" uid="75625" visible="true" timestamp="2012-07-20T09:43:19Z">
        <tag k="name" v="Neu Broderstorf"/>
        <tag k="traffic_sign" v="city_limit"/>
    </node>
    <node id="298884272" lat="54.0901447" lon="12.2516513" user="SvenHRO" uid="46882" visible="true" version="1" changeset="676636" timestamp="2008-09-21T21:37:45Z"/>
    <way id="26659127" user="Masch" uid="55988" visible="true" version="5" changeset="4142606" timestamp="2010-03-16T11:47:08Z">
        <nd ref="292403538"/>
        <nd ref="298884289"/>
        <nd ref="261728686"/>
        <tag k="highway" v="unclassified"/>
        <tag k="name" v="Pastower Straße"/>
    </way>
    <relation id="56688" user="kmvar" uid="56190" visible="true" version="28" changeset="6947637" timestamp="2011-01-12T14:23:49Z">
        <member type="node" ref="294942404" role=""/>
        <member type="node" ref="364933006" role=""/>
        <member type="way" ref="4579143" role=""/>
        <member type="node" ref="249673494" role=""/>
        <tag k="name" v="Küstenbus Linie 123"/>
        <tag k="network" v="VVW"/>
        <tag k="operator" v="Regionalverkehr Küste"/>
        <tag k="ref" v="123"/>
        <tag k="route" v="bus"/>
        <tag k="type" v="route"/>
    </relation>
</osm>

readOSM.cpp

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
// #include <stdio.h>
using namespace std;



class Node{
public:
  int id;
  double lat;
  double lon;
  void setId(int id);
  void setLat(double lat);
  void setLon(double lon);
  int getId();
  double getLat();
  double getLon();
};

class Way{
public:
  int id;
  Node node;
  void setId(int id);
  void setNode(Node node);
  int getId();
  Node getNode();
};





int main(){
  std::string osmfile_address = "/Users/zia/Documents/Test/Rubbish/osmforcpp_2line.osm";
  // // std::cout<< "hi" << std::endl;
  // std::ifstream file(osmfile_address);
  // std::string str;
  // while (std::getline(file, str)){
  //   std::cout<< str << std::endl;
  // }
  std::vector<int> wayvector;
  // std::vector<wayonevector> wayvector;



  std::string oneline;
  std::ifstream osmfile(osmfile_address);

  while(getline(osmfile, oneline)){
    std::string tmpline;
    for (int i=0; i<oneline.length(); ++i){
      // std::cout << oneline[i] << std::endl;
      if (oneline[i] == ' ' && tmpline.size() == 0){
        // to escape blank line starts
      } else {
        tmpline += oneline[i];
      }
    }

    bool found;
    if (tmpline.find("<way") != std::string::npos){
      found = true;
    } else if (tmpline.find("</way>") != std::string::npos){
      found = false;
    }

    if (found){
      for (int i=0; i<tmpline.length(); ++i){
        // Ways Id
        std::string idway;
        idway += tmpline[i];
        idway += tmpline[i+1];
        idway += tmpline[i+2];
        idway += tmpline[i+3];
        idway += tmpline[i+4];
        if (idway == " id=\""){
          std::string idw;
          int incre = 1;
          while ((tmpline[i+4+incre]) != '\"'){
            idw += tmpline[i+4+incre];
            incre++;
          }
          std::cout << idw << std::endl;
          wayvector.push_back(std::stoi(idw));
        }

        // Ways nodes Id
        std::string refnode;
        refnode += tmpline[i];
        refnode += tmpline[i+1];
        refnode += tmpline[i+2];
        refnode += tmpline[i+3];
        refnode += tmpline[i+4];
        refnode += tmpline[i+5];
        if (refnode == " ref=\""){
          std::string refn;
          int incre = 1;
          while ((tmpline[i+5+incre]) != '\"'){
            refn += tmpline[i+5+incre];
            incre++;
          }
          std::cout << refn << std::endl;
          wayvector.push_back(std::stoi(refn));


          // std::string oneline_node;
          // while(getline(osmfile, oneline_node)){
          //   std::string tmpline_node;
          //   for (int i=0; i<oneline_node.length(); ++i){
          //     if (oneline_node[i] == ' ' && tmpline_node.size() == 0){
          //     } else {
          //       tmpline_node += oneline_node[i];
          //     }
          //   }
          //   std::cout << tmpline_node << std::endl;
          //   if (tmpline_node.find("<node") != std::string::npos){
          //     for (int i=0; i<tmpline_node.length(); ++i){
          //       std::string idnode;
          //       idnode += tmpline[i];
          //       idnode += tmpline[i+1];
          //       idnode += tmpline[i+2];
          //       idnode += tmpline[i+3];
          //       idnode += tmpline[i+4];
          //       std::string idn;
          //       if (idnode == " id=\""){
          //         int incre = 1;
          //         while ((tmpline[i+4+incre]) != '\"'){
          //           idn += tmpline[i+4+incre];
          //           incre++;
          //         }
          //       }
          //       if (idn == refn){
          //         std::cout << "found mnode" << std::endl;
          //       }
          //     }
          //   }
          //
          //
          // }









        }


      }
    }



    // if (tmpline.find("<node") != std::string::npos){
    //   for (int i=0; i<tmpline.length(); ++i){
    //     // std::cout << tmpline.length() << std::endl;
    //     std::string idnode;
    //     idnode += tmpline[i];
    //     idnode += tmpline[i+1];
    //     idnode += tmpline[i+2];
    //     idnode += tmpline[i+3];
    //     idnode += tmpline[i+4];
    //     // std::cout << idnode << std::endl;
    //     std::string idn;
    //     if (idnode == " id=\""){
    //       // std::cout << "nodeid" << std::endl;
    //       int incre = 1;
    //       while ((tmpline[i+4+incre]) != '\"'){
    //         idn += tmpline[i+4+incre];
    //         incre++;
    //       }
    //     }
    //     // std::cout << idn << std::endl;
    //   }
    // }

  }
  std::cout << wayvector.size() << std::endl;
}