package fr.lifl.stc.stan.util;

import java.io.File;

public class Utils {
	
	public static String createRep(String nameRep) {
		File f = new File(nameRep);
		String name = "";
		if(!f.isDirectory()){
			if (f.mkdirs()) {
				name = f.getPath();
			}
		}
		else
			name = f.getPath();
		if(!name.equals(""))
			name +="/";
		return name;
		
	}
	
	/**
	 * merges 2 arrays , <code>a1</code> and <code>a2</code> into the first array.
	 * The result must contain only distinct elements
	 * @param a1
	 * @param index1 the length of the first array initialy
	 * @param a2
	 * @return the new length of the array resulted
	 */
	public static int merge(int[]a1, int index1, int[] a2){
		
		boolean found;
		for(int i = 0 ; i < a2.length && a2[i]!=-1; i++) {
			int j = 0;
			found = false;
			for(; j<index1 && j < a1.length; j++)
				if( a1[j] == a2[i]) {
					found = true;
					break;
				}
			if(!found)
				a1[index1++] = a2[i];
		}
		
		return index1;	
		
	}
	
	public static int add(int[] a1, int index1, int val) {
		for(int i =0; i < index1 && i < a1.length; i++)
			if(a1[i] == val)
				return index1;
		a1[index1++] = val;
		return index1;
	}
}