proto.writeLong = function (val) {
if (typeof val !== 'number' && utility.isSafeNumberString(val)) {
val = Number(val);
}
if (val >= -8 && val <= 15) {
this.byteBuffer.put(val + 0xe0);
} else if (val >= -2048 && val <= 2047) {
var b0 = val & 0xff;
var code = (val >> 8) + 0xf8;
this.byteBuffer.put(code).put(b0);
} else if (val >= -262144 && val <= 262143) {
var b1b0 = val & 0xffff;
var code = (val >> 16) + 0x3c;
this.byteBuffer.put(code).putUInt16(b1b0);
} else if (val >= -0x80000000 && val <= 0x7fffffff) {
// 32-bit integer cast to long
this.byteBuffer.put(0x59).putInt32(val);
} else {
this.byteBuffer
.put(0x4c) // 'L'
.putLong(val);
}
return this;
};
ByteBuffer.prototype.putLong = function (index, value) {
// long
// int, long
var offset = 0;
if (value === undefined) {
// long
offset = this._offset;
this._offset += 8;
this._checkSize(this._offset);
value = index;
} else {
// int, long
offset = index;
}
// get the offset
var highOffset = offset;
var lowOffset = offset + 4;
if (this._order !== BIG_ENDIAN) {
highOffset = offset + 4;
lowOffset = offset;
}
var isNumber = typeof value === 'number';
// convert safe number string to number
if (!isNumber && utility.isSafeNumberString(value)) {
isNumber = true;
value = Number(value);
}
// int
if (isNumber
&& value < MAX_INT_31
&& value >= -MAX_INT_31) {
// put high
value < 0
? this._putFF(highOffset)
: this._putZero(highOffset);
if (this._order === BIG_ENDIAN) {
this._bytes.writeInt32BE(value, lowOffset);
} else {
this._bytes.writeInt32LE(value, lowOffset);
}
return this;
}
// long number or string, make it a Long Object
// TODO: Long object's performence has big problem
if (typeof value.low !== 'number'
|| typeof value.high !== 'number') {
// not Long instance, must be Number or String
value = isNumber
? Long.fromNumber(value)
: Long.fromString(value);
}
// write
if (this._order === BIG_ENDIAN) {
this._bytes.writeInt32BE(value.high, highOffset);
this._bytes.writeInt32BE(value.low, lowOffset);
} else {
this._bytes.writeInt32LE(value.high, highOffset);
this._bytes.writeInt32LE(value.low, lowOffset);
}
return this;
};