dpack/packer.js

   1 var doLZW = true;
   2 //doLZW = false;
   3
   4 var data;
   5 var window = {
   6   miner: {
   7     SetData: function (d) { data = d; }
   8   }
   9 };
  10 load("../data/data.js");
  11
  12
  13 if (doLZW) {
  14   load("packer_lzw.js");
  15 } else {
  16   load("packer_rle.js");
  17 }
  18 load("pkutil.js");
  19
  20
  21 var szU = 0, szP = 0;
  22 for (k in data) {
  23   //print(k);
  24   var dd = data[k];
  25   var s = PackArray(dd);
  26   var l = ArrLength(dd);
  27   if (l > s.length+2) {
  28     //print(k+": "+l+" bytes was packed to "+s.length+" bytes");
  29     /*print(s);*/
  30     eval('ss="'+s+'"');
  31     var up = DUnpackStr(ss);
  32     ArrCompare(dd, up);
  33     szU += l; szP += s.length+3;
  34     var xjs = '"'+s+'"';
  35     data[k] = xjs;
  36   }// else print(k+": "+l+" bytes was BADLY packed to "+s.length+" bytes; rejected");
  37 }
  38 //print(szU+" bytes squeezed to "+szP+" bytes; "+(szU-szP)+" bytes saved.");
  39
  40 print("/*"+szU+" bytes squeezed to "+szP+" bytes; "+(szU-szP)+" bytes saved*/");
  41 print("window.miner.SetData({");
  42 for (k in data) {
  43   var res = k+":";
  44   var v = data[k];
  45   if (typeof(v) == "string") res += v;
  46   else {
  47     res += "[";
  48     for (var f = 0; f < v.length; f++) {
  49       if (f > 0) res += ",";
  50       res += v[f];
  51     }
  52     res += "]";
  53   }
  54   res += ",";
  55   print(res);
  56 }
  57 print('$_: ""});');