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MapLoader.cpp
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MapLoader.cpp
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#include "provided.h"
#include <string>
#include <iostream>
#include <fstream>
#include <sstream>
#include <cassert>//test
#include <vector>
using namespace std;
class MapLoaderImpl
{
public:
MapLoaderImpl();
~MapLoaderImpl();
bool load(string mapFile);
size_t getNumSegments() const;
bool getSegment(size_t segNum, StreetSegment& seg) const;
private:
vector<StreetSegment> segments;
};
MapLoaderImpl::MapLoaderImpl()
{
}
MapLoaderImpl::~MapLoaderImpl()
{
}
bool MapLoaderImpl::load(string mapFile)
{
cerr << "before " << endl;
ifstream mapData(mapFile);
if (!mapData){
cerr << "Can't open map data!" << endl;
return false;
}
cerr << "passed" << endl;
string data;
while (getline(mapData, data)){
//store name of street segment
StreetSegment ss;
ss.streetName = data;
//get starting coordinates, store as geocoord
string startLat;
getline(mapData, startLat, ',');
mapData.ignore(10000, ' '); //ignore space after comma
string startLong;
getline(mapData, startLong, ' ');
GeoCoord start(startLat, startLong);
//get ending coords, store as geocoord
string endLat, endLong;
getline(mapData, endLat, ',');
getline(mapData, endLong);
GeoCoord end(endLat, endLong);
GeoSegment gs(start, end);
ss.segment = gs;
//store in current segment
string numAttractions;
getline(mapData, numAttractions);
//convert string to char ptr to convert to int
const char *c = numAttractions.c_str();
int nAttractions = atoi(c);
//iterate through each attraction on segment
for (int i = 0; i < nAttractions; i++){
Attraction att;
string name;
//get attraction name
getline(mapData, name, '|');
string attLat, attLong;
getline(mapData, attLat, ',');
mapData.ignore(10000, ' '); //ignore space after comma
getline(mapData, attLong);
GeoCoord attG(attLat, attLong);
Attraction attr;
attr.name = name;
attr.geocoordinates = attG;
ss.attractions.push_back(att);
}
segments.push_back(ss); //push each segment into segments
}
return true;
}
size_t MapLoaderImpl::getNumSegments() const
{
return segments.size();
}
bool MapLoaderImpl::getSegment(size_t segNum, StreetSegment &seg) const
{
if (segNum >= segments.size()){
return false;
}
seg = segments[segNum];
return true;
}
//******************** MapLoader functions ************************************
// These functions simply delegate to MapLoaderImpl's functions.
// You probably don't want to change any of this code.
MapLoader::MapLoader()
{
m_impl = new MapLoaderImpl;
}
MapLoader::~MapLoader()
{
delete m_impl;
}
bool MapLoader::load(string mapFile)
{
return m_impl->load(mapFile);
}
size_t MapLoader::getNumSegments() const
{
return m_impl->getNumSegments();
}
bool MapLoader::getSegment(size_t segNum, StreetSegment& seg) const
{
return m_impl->getSegment(segNum, seg);
}
int main(){
cerr << "before ml" << endl;
MapLoader ml;
cerr << "ml created" << endl;
ml.load("/Users/michellesu/Desktop/cs32/Projects/Project 4/Project 4/mapdata.txt");
StreetSegment seg1;
ml.getSegment(0, seg1);
assert(seg1.streetName == "10th Helena Drive");
assert(seg1.segment.start.latitudeText == "34.0547000");
assert(seg1.segment.start.longitudeText == "-118.4794734");
assert(seg1.segment.end.latitudeText == "34.0544590");
assert(seg1.segment.end.longitudeText == "-118.4801137");
assert(seg1.attractions.size() == 0);
ml.getSegment(ml.getNumSegments() - 1, seg1);
assert(seg1.streetName == "access road for water tank");
assert(seg1.segment.start.latitudeText == "34.0853742");
assert(seg1.segment.start.longitudeText == "-118.4955413");
assert(seg1.segment.end.latitudeText == "34.0852898");
assert(seg1.segment.end.longitudeText == "-118.4954341");
assert(seg1.attractions.size() == 0);
cerr << " all tests passed" << endl;
}