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package jcgp.backend.parsers;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Scanner;
import jcgp.backend.function.FunctionSet;
import jcgp.backend.modules.problem.Problem;
import jcgp.backend.resources.ModifiableResources;
/**
* Parses the functions from a .par file.
* Functions marked with a 1 are enabled,
* and those marked with 0 are disabled.
*
* @author Eduardo Pedroni
*
*/
public abstract class FunctionParser {
public static void parseFunctions(File file, Problem problem, ModifiableResources resources) {
FileReader fr;
try {
fr = new FileReader(file);
} catch (FileNotFoundException e) {
resources.println("[Parser] Error: could not find " + file.getAbsolutePath());
return;
}
Scanner in = new Scanner(fr);
FunctionSet functionSet = problem.getFunctionSet();
resources.println("[Parser] Parsing file: " + file.getAbsolutePath() + "...");
while (in.hasNextLine()) {
String line = in.nextLine();
if (line.substring(line.length() - 1).matches("[0-9]")) {
String[] splitString = line.split("[^0-9]+");
int functionIndex = Integer.parseInt(splitString[splitString.length - 1]);
if (Integer.parseInt(splitString[0]) != 0 && !functionSet.isEnabled(functionSet.getFunction(functionIndex))) {
functionSet.enableFunction(functionIndex);
resources.println("[Parser] Enabled function: " + functionSet.getFunction(functionIndex));
} else if (Integer.parseInt(splitString[0]) == 0 && functionSet.isEnabled(functionSet.getFunction(functionIndex))) {
functionSet.disableFunction(functionIndex);
resources.println("[Parser] Disabled function: " + functionSet.getFunction(functionIndex));
}
}
}
in.close();
resources.println("[Parser] Finished parsing functions");
}
}
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