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var Buffer = process.binding('buffer').Buffer;
exports.Buffer = Buffer;
function toHex (n) {
if (n < 16) return "0" + n.toString(16);
return n.toString(16);
}
Buffer.isBuffer = function (b) {
return b instanceof Buffer;
};
Buffer.prototype.inspect = function () {
var s = "<Buffer ";
for (var i = 0; i < this.length; i++) {
s += toHex(this[i]);
if (i != this.length - 1) s += ' ';
}
s += ">";
return s;
};
Buffer.prototype.toString = function (encoding, start, stop) {
encoding = (encoding || 'utf8').toLowerCase();
if (!start) start = 0;
if (stop === undefined) stop = this.length;
// Fastpath empty strings
if (stop === start) {
return '';
}
switch (encoding) {
case 'utf8':
case 'utf-8':
return this.utf8Slice(start, stop);
case 'ascii':
return this.asciiSlice(start, stop);
case 'binary':
return this.binarySlice(start, stop);
default:
throw new Error('Unknown encoding');
}
};
Buffer.prototype.write = function (string) {
// Support both (string, offset, encoding)
// and the legacy (string, encoding, offset)
var offset, encoding;
if (typeof arguments[1] == 'string') {
encoding = arguments[1];
offset = arguments[2];
} else {
offset = arguments[1];
encoding = arguments[2];
}
offset = offset || 0;
encoding = encoding || 'utf8';
switch (encoding) {
case 'utf8':
case 'utf-8':
return this.utf8Write(string, offset);
case 'ascii':
return this.asciiWrite(string, offset);
case 'binary':
return this.binaryWrite(string, offset);
default:
throw new Error('Unknown encoding');
}
};