pushAsset method

void pushAsset(String s)

Append an asset */

Implementation

void pushAsset(String s) {
  s = s.trim();
  var pos = 0;
  var amount = '';
  var precision = 0;
  if (s[pos] == '-') {
    amount += '-';
    ++pos;
  }
  var foundDigit = false;
  while (pos < s.length &&
      s.codeUnitAt(pos) >= '0'.codeUnitAt(0) &&
      s.codeUnitAt(pos) <= '9'.codeUnitAt(0)) {
    foundDigit = true;
    amount += s[pos];
    ++pos;
  }
  if (!foundDigit) {
    throw 'Asset must begin with a number';
  }
  if (s[pos] == '.') {
    ++pos;
    while (pos < s.length &&
        s.codeUnitAt(pos) >= '0'.codeUnitAt(0) &&
        s.codeUnitAt(pos) <= '9'.codeUnitAt(0)) {
      amount += s[pos];
      ++precision;
      ++pos;
    }
  }
  var name = s.substring(pos).trim();
  pushArray(numeric.signedDecimalToBinary(8, amount));
  pushSymbol(Symbol(name: name, precision: precision));
}