osrm-backend/DataStructures/TurnInstructions.h

130 lines
4.0 KiB
C++

/*
open source routing machine
Copyright (C) Dennis Luxen, others 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
#ifndef TURNINSTRUCTIONS_H_
#define TURNINSTRUCTIONS_H_
#include <string>
#include <iostream>
#include <fstream>
using namespace std;
//This is a hack until c++0x is available enough to use scoped enums
struct TurnInstructionsClass {
const static short NoTurn = 0; //Give no instruction at all
const static short GoStraight = 1; //Tell user to go straight!
const static short TurnSlightRight = 2;
const static short TurnRight = 3;
const static short TurnSharpRight = 4;
const static short UTurn = 5;
const static short TurnSharpLeft = 6;
const static short TurnLeft = 7;
const static short TurnSlightLeft = 8;
const static short ReachViaPoint = 9;
const static short HeadOn = 10;
const static short EnterRoundAbout = 11;
const static short LeaveRoundAbout = 12;
const static short StayOnRoundAbout = 13;
const static short StartAtEndOfStreet = 14;
std::string TurnStrings[15];
std::string Ordinals[11];
//This is a hack until c++0x is available enough to use initializer lists.
TurnInstructionsClass(){
cout << "########## Entra en TurnInstructionsClass\n";
// Ahora mismo la ruta estñá puesta de manera manual
char nameFile[] = "/home/usuario/workspace/Project-OSRM/DataStructures/languages/ES_ES.txt";
// Declare an input file stream
ifstream fread;
// Open a file for only read
fread.open(nameFile, ifstream::in);
// Check if there have been any error
if (!fread){
cout << "fault" << endl;
}
// Create a buffer to use for read
char buffer[128];
// Read from file to buffer
fread.getline(buffer, 128);
int i = 0;
while (!fread.eof()){
/* Write the result in an array */
if(i<15){
std::string str(buffer);
TurnStrings[i] = str;
i++;
}
/* Read the next line */
fread.getline(buffer, 128);
}
fread.close();
Ordinals[0] = "zeroth";
Ordinals[1] = "first";
Ordinals[2] = "second";
Ordinals[3] = "third";
Ordinals[4] = "fourth";
Ordinals[5] = "fifth";
Ordinals[6] = "sixth";
Ordinals[7] = "seventh";
Ordinals[8] = "eighth";
Ordinals[9] = "nineth";
Ordinals[10] = "tenth";
};
static inline double GetTurnDirectionOfInstruction( const double angle ) {
if(angle >= 23 && angle < 67) {
return TurnSharpRight;
}
if (angle >= 67 && angle < 113) {
return TurnRight;
}
if (angle >= 113 && angle < 158) {
return TurnSlightRight;
}
if (angle >= 158 && angle < 202) {
return GoStraight;
}
if (angle >= 202 && angle < 248) {
return TurnSlightLeft;
}
if (angle >= 248 && angle < 292) {
return TurnLeft;
}
if (angle >= 292 && angle < 336) {
return TurnSharpLeft;
}
return 5;
}
static inline bool TurnIsNecessary ( const short turnInstruction ) {
if(NoTurn == turnInstruction || StayOnRoundAbout == turnInstruction)
return false;
return true;
}
};
static TurnInstructionsClass TurnInstructions;
#endif /* TURNINSTRUCTIONS_H_ */