/**
 * Tool functions with no dependency on settings.js
 */
 
/** Creates a hexagon SVG path from x/y center and radius */
function hexagon(x,y,r) {
	var x1 = x;
	var y1 = y-r;
	var x2 = x+(Math.cos(Math.PI/6)*r);
	var y2 = y-(Math.sin(Math.PI/6)*r);
	var x3 = x+(Math.cos(Math.PI/6)*r);
	var y3 = y+(Math.sin(Math.PI/6)*r);
	var x4 = x;
	var y4 = y+r;
	var x5 = x-(Math.cos(Math.PI/6)*r);
	var y5 = y+(Math.sin(Math.PI/6)*r);
	var x6 = x-(Math.cos(Math.PI/6)*r);
	var y6 = y-(Math.sin(Math.PI/6)*r);
	
	var path = 'M'+x1+" "+y1+" L"+x2+" "+y2+" L"+x3+" "+y3+" L"+x4+" "+y4+" L"+x5+" "+y5+" L"+x6+" "+y6+"z";
	return path;
}
/** A simple hash method, http://stackoverflow.com/a/7616484 */
String.prototype.hashCode = function() {
  var hash = 0, i, chr, len;
  if (this.length === 0) return hash;
  for (i = 0, len = this.length; i < len; i++) {
    chr   = this.charCodeAt(i);
    hash  = ((hash << 5) - hash) + chr;
    hash |= 0; // Convert to 32bit integer
  }
  return hash;
};
/** Partition array elements according to callback function boolean value */
Array.prototype.partition = function (f){
  var matched = [],
      unmatched = [],
      i = 0,
      j = this.length;

  for (; i < j; i++){
    (f.call(this, this[i], i) ? matched : unmatched).push(this[i]);
  }

  return [unmatched, matched];
};
/** Parses maltego resonse XML Field elements into a js object using a mapping */
function namedFieldsToObj(fieldEls, mapping) {
	var obj = {};
	var field = null;
	for(var j = 0; j < fieldEls.length; j++) {
		field = fieldEls[j];
		var mappedFieldName = mapping[field.getAttribute('Name')];
		if(!mappedFieldName)
			continue;
		obj[mappedFieldName] = field.textContent;
	}
	return obj;
}