tokenize_svg.js

function tokenize(x) {
    var pts = [], type, num = '', nums = [], segment = [];
    for (var i = 0; i < x.length; i++) {
      if (x[i].match(/[A-Za-z]/)) {
        nums.push(num);
        if (x[i].toLowerCase() == 'z') {
            pts.push(segment);
            segment = [];
        } else if (type) {
            segment.push([type, nums.map(floatit)]);
        }
        type = x[i];
        nums = [];
        num = '';
      } else if (x[i] == ' ') {
        nums.push(num);
        num = '';
      } else {
        num += x[i];
      }
    }
    pts.push(segment);
    return pts;
}

function floatit(n) {
  return parseFloat(n);
}