125 lines
No EOL
2.2 KiB
JavaScript
125 lines
No EOL
2.2 KiB
JavaScript
module.exports.Writer = class {
|
|
constructor() {
|
|
this.buffer = Buffer.alloc(0);
|
|
}
|
|
|
|
reset() {
|
|
this.buffer = Buffer.alloc(0);
|
|
}
|
|
|
|
writeBuffer(buff = Buffer.alloc(0)) {
|
|
this.buffer = Buffer.concat([this.buffer, buff], this.buffer.length + buff.length);
|
|
}
|
|
|
|
writeBool(data = false) {
|
|
this.writeByte(data ? 1 : 0);
|
|
}
|
|
|
|
writeByte(data = 0) {
|
|
const buff = Buffer.alloc(1);
|
|
buff.writeInt8(data, 0);
|
|
|
|
this.writeBuffer(buff);
|
|
}
|
|
|
|
writeShort(data = 0) {
|
|
const buff = Buffer.alloc(2);
|
|
buff.writeIntBE(data, 0, 2);
|
|
|
|
this.writeBuffer(buff);
|
|
}
|
|
|
|
writeInt(data = 0) {
|
|
const buff = Buffer.alloc(4);
|
|
buff.writeIntBE(data, 0, 4);
|
|
|
|
this.writeBuffer(buff);
|
|
}
|
|
|
|
writeLong(data = 0) {
|
|
const buff = Buffer.alloc(8);
|
|
buff.writeBigInt64BE(BigInt(data), 0);
|
|
|
|
this.writeBuffer(buff);
|
|
}
|
|
|
|
writeFloat(data = 0.0) {
|
|
const buff = Buffer.alloc(4);
|
|
buff.writeFloatBE(data, 0);
|
|
|
|
this.writeBuffer(buff);
|
|
}
|
|
|
|
writeDouble(data = 0.0) {
|
|
const buff = Buffer.alloc(8);
|
|
buff.writeDoubleBE(data, 0);
|
|
|
|
this.writeBuffer(buff);
|
|
}
|
|
|
|
writeString(string = "") {
|
|
this.writeShort(string.length);
|
|
|
|
for (let i = 0; i < string.length; i++) {
|
|
this.writeShort(string.charCodeAt(i));
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports.Reader = class {
|
|
constructor(buffer = Buffer.alloc(0)) {
|
|
this.buffer = buffer;
|
|
this.offset = 0;
|
|
}
|
|
|
|
readBool() {
|
|
return this.readByte() == 0x01 ? true : false;
|
|
}
|
|
|
|
readByte() {
|
|
const data = this.buffer.readInt8(this.offset);
|
|
this.offset += 1;
|
|
return data;
|
|
}
|
|
|
|
readShort() {
|
|
const data = this.buffer.readIntBE(this.offset, 2);
|
|
this.offset += 2;
|
|
return data;
|
|
}
|
|
|
|
readInt() {
|
|
const data = this.buffer.readIntBE(this.offset, 4);
|
|
this.offset += 4;
|
|
return data;
|
|
}
|
|
|
|
readLong() {
|
|
const data = this.buffer.readBigInt64BE(this.offset);
|
|
this.offset += 8;
|
|
return data;
|
|
}
|
|
|
|
readFloat() {
|
|
const data = this.buffer.readFloatBE(this.offset);
|
|
this.offset += 4;
|
|
return data;
|
|
}
|
|
|
|
readDouble() {
|
|
const data = this.buffer.readDoubleBE(this.offset);
|
|
this.offset += 8;
|
|
return data;
|
|
}
|
|
|
|
readString() {
|
|
const length = this.readShort();
|
|
let data = "";
|
|
|
|
for (let i = 0; i < length; i++) {
|
|
data += String.fromCharCode(this.readShort());
|
|
}
|
|
|
|
return data;
|
|
}
|
|
} |