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#ifndef FILE_OPERATION_H
#define FILE_OPERATION_H
#include <QObject>
#include <QString>
#include <QFile>
#include <QFile>
#include <QJsonObject>
#include <QJsonDocument>
/******************************************************
* Write access token of mapbox in /etc/mapAccessToken
******************************************************/
#define MAP_ACCESS_TOKEN_FILEPATH "/etc/mapAccessToken"
class File_Operation: public QObject{
Q_OBJECT
public:
Q_INVOKABLE QString getMapAccessToken() {
#if 0
char buf[512];
QString mapAccessToken = "";
FILE* filep = fopen(qPrintable(MAP_ACCESS_TOKEN_FILEPATH), "r");
if (!filep) {
fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
return mapAccessToken;
}
if (!fgets(buf, 512, filep)) {
fprintf(stderr,"Failed to read mapAccessToken from mapAccessToken file \"%s\"", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
fclose(filep);
return mapAccessToken;
}
if (strlen(buf) > 0 && buf[strlen(buf)-1] == '\n') {
buf[strlen(buf)-1] = '\0';
}
mapAccessToken = QString(buf);
fclose(filep);
return mapAccessToken;
#else
QString mapAccessToken = "";
QFile file(MAP_ACCESS_TOKEN_FILEPATH);
if (!file.open(QIODevice::ReadOnly)){
fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
return mapAccessToken;
}
QByteArray data = file.readAll();
QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
QJsonObject jsonObj(jsonDoc.object());
if(jsonObj.contains("mapAccessToken")){
mapAccessToken = jsonObj["mapAccessToken"].toString();
}else{
fprintf(stderr,"Failed to find mapAccessToken data \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
}
file.close();
return mapAccessToken;
#endif
}
Q_INVOKABLE double getSpeed() {
double speed = 60; // km/h
QFile file(MAP_ACCESS_TOKEN_FILEPATH);
if (!file.open(QIODevice::ReadOnly)){
fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
return speed;
}
QByteArray data = file.readAll();
QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
QJsonObject jsonObj(jsonDoc.object());
if(jsonObj.contains("speed")){
speed = jsonObj["speed"].toDouble();
}else{
fprintf(stderr,"Failed to find speed data \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
}
file.close();
return speed;
}
Q_INVOKABLE int getInterval() {
int interval = 15; // ms
QFile file(MAP_ACCESS_TOKEN_FILEPATH);
if (!file.open(QIODevice::ReadOnly)){
fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
return interval;
}
QByteArray data = file.readAll();
QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
QJsonObject jsonObj(jsonDoc.object());
if(jsonObj.contains("interval")){
interval = (int)jsonObj["interval"].toDouble();
}else{
fprintf(stderr,"Failed to find interval data \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
}
file.close();
return interval;
}
Q_INVOKABLE double getLatitude() {
double latitude = 36.136261;
QFile file(MAP_ACCESS_TOKEN_FILEPATH);
if (!file.open(QIODevice::ReadOnly)){
fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
return latitude;
}
QByteArray data = file.readAll();
QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
QJsonObject jsonObj(jsonDoc.object());
if(jsonObj.contains("latitude")){
latitude = jsonObj["latitude"].toDouble();
}else{
fprintf(stderr,"Failed to find latitude data \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
}
file.close();
return latitude;
}
Q_INVOKABLE double getLongitude() {
double longitute = -115.151254;
QFile file(MAP_ACCESS_TOKEN_FILEPATH);
if (!file.open(QIODevice::ReadOnly)){
fprintf(stderr,"Failed to open mapAccessToken file \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
return longitute;
}
QByteArray data = file.readAll();
QJsonDocument jsonDoc(QJsonDocument::fromJson(data));
QJsonObject jsonObj(jsonDoc.object());
if(jsonObj.contains("longitute")){
longitute = jsonObj["longitute"].toDouble();
}else{
fprintf(stderr,"Failed to find longitute data \"%s\": %m", qPrintable(MAP_ACCESS_TOKEN_FILEPATH));
}
file.close();
return longitute;
}
};
#endif // FILE_OPERATION_H
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