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String.prototype.pad = function(l, r) {
if (r === undefined) {
r = l
if (!(this.substr(0, 2) == "0x" || /^\d+$/.test(this)))
l = 0
}
var ret = this.bin();
while (ret.length < l)
ret = "\0" + ret
while (ret.length < r)
ret = ret + "\0"
return ret;
}
String.prototype.unpad = function() {
var i = this.length;
while (i && this[i - 1] == "\0")
--i
return this.substr(0, i)
}
String.prototype.bin = function() {
if (this.substr(0, 2) == "0x") {
bytes = []
var i = 2;
// Check if it's odd - pad with a zero if so.
if (this.length % 2)
bytes.push(parseInt(this.substr(i++, 1), 16))
for (; i < this.length - 1; i += 2)
bytes.push(parseInt(this.substr(i, 2), 16));
return String.fromCharCode.apply(String, bytes);
} else if (/^\d+$/.test(this))
return bigInt(this.substr(0)).toHex().bin()
// Otherwise we'll return the "String" object instead of an actual string
return this.substr(0, this.length)
}
String.prototype.unbin = function() {
var i, l, o = '';
for(i = 0, l = this.length; i < l; i++) {
var n = this.charCodeAt(i).toString(16);
o += n.length < 2 ? '0' + n : n;
}
return "0x" + o;
}
String.prototype.dec = function() {
return bigInt(this.substr(0)).toString()
}
String.prototype.hex = function() {
return bigInt(this.substr(0)).toHex()
}
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