net/systemeD/halcyon/styleparser/Rule.as

   1 package net.systemeD.halcyon.styleparser {
   2
   3     import net.systemeD.halcyon.connection.*;
   4
   5         public class Rule {
   6
   7                 public var conditions:Array = [];
   8                 public var isAnd:Boolean = true;
   9                 public var minZoom:uint = 13;
  10                 public var maxZoom:uint = 19;
  11                 public var subject:String='';                   // "", "way", "node" or "relation"
  12
  13                 public function Rule(s:String=''):void {
  14                         subject=s;
  15                 }
  16
  17                 public function test(obj:Entity,tags:Object):Boolean {
  18                         if (subject!='' && obj.getType()!=subject) { return false; }
  19
  20                         var v:Boolean=true; var i:uint=0;
  21                         for each (var condition:Condition in conditions) {
  22                                 var r:Boolean=condition.test(tags);
  23                                 if (i==0) { v=r; }
  24                                 else if (isAnd) { v=v && r; }
  25                                 else { v = v || r;}
  26                                 i++;
  27                         }
  28                         return v;
  29                 }
  30
  31                 public function toString():String {
  32                         return subject+" z"+minZoom+"-"+maxZoom+": "+conditions;
  33                 }
  34         }
  35 }