Use ArgumentParser::parseArgsOrExit()
This commit is contained in:
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868f0fd2bd
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aeb097a549
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@ -29,7 +29,7 @@ set(META_VERSION_PATCH 3)
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set(META_APP_VERSION ${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH})
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# find c++utilities
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find_package(c++utilities 4.0.0 REQUIRED)
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find_package(c++utilities 4.10.0 REQUIRED)
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use_cpp_utilities()
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# include modules to apply configuration
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332
main.cpp
332
main.cpp
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@ -23,177 +23,173 @@ SystemForLocations outputSystemForLocations = SystemForLocations::LatitudeLongit
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int main(int argc, char *argv[])
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{
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SET_APPLICATION_INFO;
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ArgumentParser argparser;
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Argument convert("convert", 'c', "Converts the given coordinate or location to the specified output form.");
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convert.setRequiredValueCount(1);
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convert.appendValueName("coordinate/location");
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Argument distance("distance", 'd', "Computes the approximate distance in meters between two locations.");
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distance.setRequiredValueCount(2);
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distance.appendValueName("location 1");
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distance.appendValueName("location 2");
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Argument trackLength("track-length", 't',
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"Computes the approximate length in meters of a track given by a file containing trackpoints separated by new lines.");
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Argument fileArg("file", 'f', "Specifies the file containing the track points");
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fileArg.setRequiredValueCount(1);
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fileArg.appendValueName("path");
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fileArg.setRequired(true);
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Argument circle(
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"circle", '\0', "If present the distance between the first and the last trackpoints will be added to the total track length.");
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trackLength.setSubArguments({ &fileArg, &circle });
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Argument bearing("bearing", 'b',
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"Computes the approximate initial bearing East of true North when traveling along the shortest path between the given locations.");
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bearing.setRequiredValueCount(2);
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bearing.appendValueName("location 1");
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bearing.appendValueName("location 2");
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Argument fbearing("final-bearing", '\0',
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"Computes the approximate final bearing East of true North when traveling along the shortest path between the given locations.");
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fbearing.setRequiredValueCount(2);
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fbearing.appendValueName("location 1");
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fbearing.appendValueName("location 2");
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Argument midpoint("midpoint", 'm', "Computes the approximate midpoint between the given locations.");
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midpoint.setRequiredValueCount(2);
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midpoint.appendValueName("location 1");
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midpoint.appendValueName("location 2");
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Argument destination("destination", '\0', "Calculates destination point given distance and bearing from start point.");
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destination.setRequiredValueCount(3);
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destination.appendValueName("start");
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destination.appendValueName("distance");
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destination.appendValueName("bearing");
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Argument gmapsLink(
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"gmaps-link", '\0', "Generates a Google Maps link for all locations given by a file containing locations separated by new lines.");
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gmapsLink.setRequiredValueCount(1);
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gmapsLink.appendValueName("path");
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Argument inputAngularMeasureArg("input-angular-measure", 'i',
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"Use this option to specify the angular measure you use to provide angles (degree or radian; default is degree).");
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inputAngularMeasureArg.setRequiredValueCount(1);
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inputAngularMeasureArg.appendValueName("angular measure");
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inputAngularMeasureArg.setCombinable(true);
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Argument outputFormForAnglesArg("output-angle-form", 'o',
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"Use this option to specify the output form for angles (degrees, minutes, seconds or radians; default is degrees).");
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outputFormForAnglesArg.setRequiredValueCount(1);
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outputFormForAnglesArg.appendValueName("form");
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outputFormForAnglesArg.setCombinable(true);
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Argument inputSystemForLocationsArg("input-location-system", '\0',
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"Use this option to specify the geographic system you use to provide locations (latitude&longitue or UTM-WGS84).");
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inputSystemForLocationsArg.setRequiredValueCount(1);
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inputSystemForLocationsArg.appendValueName("system");
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inputSystemForLocationsArg.setCombinable(true);
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Argument outputSystemForLocationsArg("output-location-system", '\0',
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"Use this option to specify which geographic system is used to display locations (latitude&longitue or UTM-WGS84).");
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outputSystemForLocationsArg.setRequiredValueCount(1);
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outputSystemForLocationsArg.appendValueName("system");
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outputSystemForLocationsArg.setCombinable(true);
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HelpArgument help(argparser);
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Argument version("version", 'v', "Shows the version of this application.");
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argparser.setMainArguments({ &help, &convert, &distance, &trackLength, &bearing, &fbearing, &midpoint, &destination, &gmapsLink,
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&inputAngularMeasureArg, &outputFormForAnglesArg, &inputSystemForLocationsArg, &outputSystemForLocationsArg, &version });
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argparser.parseArgsOrExit(argc, argv);
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if (inputAngularMeasureArg.isPresent()) {
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const char *inputFormat = inputAngularMeasureArg.values().front();
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if (!strcmp(inputFormat, "radian")) {
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inputAngularMeasure = Angle::AngularMeasure::Radian;
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} else if (!strcmp(inputFormat, "degree")) {
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inputAngularMeasure = Angle::AngularMeasure::Degree;
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} else {
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cerr << "Invalid angular measure given, see --help." << endl;
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return 0;
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}
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}
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if (outputFormForAnglesArg.isPresent()) {
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const char *outputFormat = outputFormForAnglesArg.values().front();
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if (!strcmp(outputFormat, "degrees")) {
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outputFormForAngles = Angle::OutputForm::Degrees;
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} else if (!strcmp(outputFormat, "minutes")) {
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outputFormForAngles = Angle::OutputForm::Minutes;
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} else if (!strcmp(outputFormat, "seconds")) {
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outputFormForAngles = Angle::OutputForm::Seconds;
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} else if (!strcmp(outputFormat, "radians")) {
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outputFormForAngles = Angle::OutputForm::Radians;
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} else {
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cerr << "Invalid output form for angles given, see --help." << endl;
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return 0;
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}
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}
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if (inputSystemForLocationsArg.isPresent()) {
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const char *inputFormat = inputSystemForLocationsArg.values().front();
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if (!strcmp(inputFormat, "latitude&longitue")) {
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inputSystemForLocations = SystemForLocations::LatitudeLongitude;
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} else if (!strcmp(inputFormat, "UTM-WGS84")) {
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inputSystemForLocations = SystemForLocations::UTMWGS84;
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} else {
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cerr << "Invalid geographic coordinate system given, see --help." << endl;
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return 0;
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}
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}
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if (outputSystemForLocationsArg.isPresent()) {
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const char *outputSystem = outputSystemForLocationsArg.values().front();
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if (!strcmp(outputSystem, "latitude&longitue")) {
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outputSystemForLocations = SystemForLocations::LatitudeLongitude;
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} else if (!strcmp(outputSystem, "UTM-WGS84")) {
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outputSystemForLocations = SystemForLocations::UTMWGS84;
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} else {
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cerr << "Invalid geographic coordinate system given, see --help." << endl;
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return 0;
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}
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}
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try {
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SET_APPLICATION_INFO;
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ArgumentParser argparser;
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Argument convert("convert", 'c', "Converts the given coordinate or location to the specified output form.");
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convert.setRequiredValueCount(1);
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convert.appendValueName("coordinate/location");
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Argument distance("distance", 'd', "Computes the approximate distance in meters between two locations.");
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distance.setRequiredValueCount(2);
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distance.appendValueName("location 1");
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distance.appendValueName("location 2");
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Argument trackLength("track-length", 't',
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"Computes the approximate length in meters of a track given by a file containing trackpoints separated by new lines.");
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Argument fileArg("file", 'f', "Specifies the file containing the track points");
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fileArg.setRequiredValueCount(1);
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fileArg.appendValueName("path");
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fileArg.setRequired(true);
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Argument circle(
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"circle", '\0', "If present the distance between the first and the last trackpoints will be added to the total track length.");
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trackLength.setSubArguments({ &fileArg, &circle });
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Argument bearing("bearing", 'b',
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"Computes the approximate initial bearing East of true North when traveling along the shortest path between the given locations.");
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bearing.setRequiredValueCount(2);
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bearing.appendValueName("location 1");
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bearing.appendValueName("location 2");
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Argument fbearing("final-bearing", '\0',
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"Computes the approximate final bearing East of true North when traveling along the shortest path between the given locations.");
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fbearing.setRequiredValueCount(2);
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fbearing.appendValueName("location 1");
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fbearing.appendValueName("location 2");
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Argument midpoint("midpoint", 'm', "Computes the approximate midpoint between the given locations.");
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midpoint.setRequiredValueCount(2);
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midpoint.appendValueName("location 1");
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midpoint.appendValueName("location 2");
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Argument destination("destination", '\0', "Calculates destination point given distance and bearing from start point.");
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destination.setRequiredValueCount(3);
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destination.appendValueName("start");
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destination.appendValueName("distance");
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destination.appendValueName("bearing");
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Argument gmapsLink(
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"gmaps-link", '\0', "Generates a Google Maps link for all locations given by a file containing locations separated by new lines.");
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gmapsLink.setRequiredValueCount(1);
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gmapsLink.appendValueName("path");
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Argument inputAngularMeasureArg("input-angular-measure", 'i',
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"Use this option to specify the angular measure you use to provide angles (degree or radian; default is degree).");
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inputAngularMeasureArg.setRequiredValueCount(1);
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inputAngularMeasureArg.appendValueName("angular measure");
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inputAngularMeasureArg.setCombinable(true);
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Argument outputFormForAnglesArg("output-angle-form", 'o',
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"Use this option to specify the output form for angles (degrees, minutes, seconds or radians; default is degrees).");
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outputFormForAnglesArg.setRequiredValueCount(1);
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outputFormForAnglesArg.appendValueName("form");
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outputFormForAnglesArg.setCombinable(true);
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Argument inputSystemForLocationsArg("input-location-system", '\0',
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"Use this option to specify the geographic system you use to provide locations (latitude&longitue or UTM-WGS84).");
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inputSystemForLocationsArg.setRequiredValueCount(1);
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inputSystemForLocationsArg.appendValueName("system");
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inputSystemForLocationsArg.setCombinable(true);
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Argument outputSystemForLocationsArg("output-location-system", '\0',
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"Use this option to specify which geographic system is used to display locations (latitude&longitue or UTM-WGS84).");
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outputSystemForLocationsArg.setRequiredValueCount(1);
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outputSystemForLocationsArg.appendValueName("system");
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outputSystemForLocationsArg.setCombinable(true);
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HelpArgument help(argparser);
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Argument version("version", 'v', "Shows the version of this application.");
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argparser.setMainArguments({ &help, &convert, &distance, &trackLength, &bearing, &fbearing, &midpoint, &destination, &gmapsLink,
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&inputAngularMeasureArg, &outputFormForAnglesArg, &inputSystemForLocationsArg, &outputSystemForLocationsArg, &version });
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argparser.parseArgs(argc, argv);
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if (inputAngularMeasureArg.isPresent()) {
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const char *inputFormat = inputAngularMeasureArg.values().front();
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if (!strcmp(inputFormat, "radian")) {
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inputAngularMeasure = Angle::AngularMeasure::Radian;
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} else if (!strcmp(inputFormat, "degree")) {
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inputAngularMeasure = Angle::AngularMeasure::Degree;
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} else {
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cerr << "Invalid angular measure given, see --help." << endl;
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return 0;
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}
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}
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if (outputFormForAnglesArg.isPresent()) {
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const char *outputFormat = outputFormForAnglesArg.values().front();
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if (!strcmp(outputFormat, "degrees")) {
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outputFormForAngles = Angle::OutputForm::Degrees;
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} else if (!strcmp(outputFormat, "minutes")) {
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outputFormForAngles = Angle::OutputForm::Minutes;
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} else if (!strcmp(outputFormat, "seconds")) {
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outputFormForAngles = Angle::OutputForm::Seconds;
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} else if (!strcmp(outputFormat, "radians")) {
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outputFormForAngles = Angle::OutputForm::Radians;
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} else {
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cerr << "Invalid output form for angles given, see --help." << endl;
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return 0;
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}
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}
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if (inputSystemForLocationsArg.isPresent()) {
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const char *inputFormat = inputSystemForLocationsArg.values().front();
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if (!strcmp(inputFormat, "latitude&longitue")) {
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inputSystemForLocations = SystemForLocations::LatitudeLongitude;
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} else if (!strcmp(inputFormat, "UTM-WGS84")) {
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inputSystemForLocations = SystemForLocations::UTMWGS84;
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} else {
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cerr << "Invalid geographic coordinate system given, see --help." << endl;
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return 0;
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}
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}
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if (outputSystemForLocationsArg.isPresent()) {
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const char *outputSystem = outputSystemForLocationsArg.values().front();
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if (!strcmp(outputSystem, "latitude&longitue")) {
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outputSystemForLocations = SystemForLocations::LatitudeLongitude;
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} else if (!strcmp(outputSystem, "UTM-WGS84")) {
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outputSystemForLocations = SystemForLocations::UTMWGS84;
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} else {
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cerr << "Invalid geographic coordinate system given, see --help." << endl;
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return 0;
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}
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}
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try {
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if (help.isPresent()) {
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cout << endl;
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printAngleFormatInfo(cout);
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} else if (version.isPresent()) {
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cout << APP_VERSION;
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} else if (convert.isPresent()) {
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printConversion(convert.values().front());
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} else if (distance.isPresent()) {
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printDistance(distance.values()[0], distance.values()[1]);
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} else if (trackLength.isPresent()) {
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printTrackLength(fileArg.values().front(), circle.isPresent());
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} else if (bearing.isPresent()) {
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printBearing(bearing.values()[0], bearing.values()[1]);
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} else if (fbearing.isPresent()) {
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printFinalBearing(fbearing.values()[0], fbearing.values()[1]);
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} else if (midpoint.isPresent()) {
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printMidpoint(midpoint.values()[0], midpoint.values()[1]);
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} else if (destination.isPresent()) {
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printDestination(destination.values()[0], destination.values()[1], destination.values()[2]);
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} else if (gmapsLink.isPresent()) {
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printMapsLink(gmapsLink.values().front());
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} else {
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cerr << "No arguments given. See --help for available commands.";
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}
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} catch (const ConversionException &) {
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cerr << "The provided numbers couldn't be parsed correctly." << endl;
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cerr << endl;
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printAngleFormatInfo(cerr);
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} catch (const Failure &ex) {
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cerr << "The provided locations/coordinates couldn't be parsed correctly: " << ex.what() << endl;
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cerr << endl;
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printAngleFormatInfo(cerr);
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if (help.isPresent()) {
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cout << endl;
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printAngleFormatInfo(cout);
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} else if (version.isPresent()) {
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cout << APP_VERSION;
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} else if (convert.isPresent()) {
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printConversion(convert.values().front());
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} else if (distance.isPresent()) {
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printDistance(distance.values()[0], distance.values()[1]);
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} else if (trackLength.isPresent()) {
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printTrackLength(fileArg.values().front(), circle.isPresent());
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} else if (bearing.isPresent()) {
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printBearing(bearing.values()[0], bearing.values()[1]);
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} else if (fbearing.isPresent()) {
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printFinalBearing(fbearing.values()[0], fbearing.values()[1]);
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} else if (midpoint.isPresent()) {
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printMidpoint(midpoint.values()[0], midpoint.values()[1]);
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} else if (destination.isPresent()) {
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printDestination(destination.values()[0], destination.values()[1], destination.values()[2]);
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} else if (gmapsLink.isPresent()) {
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printMapsLink(gmapsLink.values().front());
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} else {
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cerr << "No arguments given. See --help for available commands.";
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}
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} catch (const ConversionException &) {
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cerr << "The provided numbers couldn't be parsed correctly." << endl;
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cerr << endl;
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printAngleFormatInfo(cerr);
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} catch (const Failure &ex) {
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cerr << "Unable to parse arguments. " << ex.what() << endl << "See --help for available commands.";
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cerr << "The provided locations/coordinates couldn't be parsed correctly: " << ex.what() << endl;
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cerr << endl;
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printAngleFormatInfo(cerr);
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}
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cout << endl;
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