in brooklyn-ui/src/main/webapp/assets/js/libs/js-yaml.js [2949:3037]
function resolveYamlInteger(data) {
if (null === data) {
return false;
}
var max = data.length,
index = 0,
hasDigits = false,
ch;
if (!max) { return false; }
ch = data[index];
// sign
if (ch === '-' || ch === '+') {
ch = data[++index];
}
if (ch === '0') {
// 0
if (index+1 === max) { return true; }
ch = data[++index];
// base 2, base 8, base 16
if (ch === 'b') {
// base 2
index++;
for (; index < max; index++) {
ch = data[index];
if (ch === '_') { continue; }
if (ch !== '0' && ch !== '1') {
return false;
}
hasDigits = true;
}
return hasDigits;
}
if (ch === 'x') {
// base 16
index++;
for (; index < max; index++) {
ch = data[index];
if (ch === '_') { continue; }
if (!isHexCode(data.charCodeAt(index))) {
return false;
}
hasDigits = true;
}
return hasDigits;
}
// base 8
for (; index < max; index++) {
ch = data[index];
if (ch === '_') { continue; }
if (!isOctCode(data.charCodeAt(index))) {
return false;
}
hasDigits = true;
}
return hasDigits;
}
// base 10 (except 0) or base 60
for (; index < max; index++) {
ch = data[index];
if (ch === '_') { continue; }
if (ch === ':') { break; }
if (!isDecCode(data.charCodeAt(index))) {
return false;
}
hasDigits = true;
}
if (!hasDigits) { return false; }
// if !base60 - done;
if (ch !== ':') { return true; }
// base60 almost not used, no needs to optimize
return /^(:[0-5]?[0-9])+$/.test(data.slice(index));
}