Add functions for reading/writing strings without lengths
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parent
4cacdbf113
commit
961df8cd72
8 changed files with 94 additions and 26 deletions
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@ -50,4 +50,25 @@ export class ReaderBase {
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public readBool() {
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return Boolean(this.readUByte());
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}
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public readShortString() {
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const length = this.readUByte();
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let text = "";
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for (let i = 0; i < length; i++) {
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text += String.fromCharCode(this.readUByte());
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}
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return text;
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}
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public readBytesAsString(bytesToRead:number) {
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let text = "";
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for (let i = 0; i < bytesToRead; i++) {
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text += String.fromCharCode(this.readUByte());
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}
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return text;
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}
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}
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@ -76,4 +76,19 @@ export class WriterBase {
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return this;
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}
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public writeStringAsBytes(text:string) {
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let buffer;
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if (this.resizable) {
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buffer = getBufferClass().alloc(text.length);
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} else {
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buffer = this.buffer;
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}
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for (let i = 0; i < text.length; i++) {
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buffer.writeUInt8(text.charCodeAt(i), i);
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}
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return this;
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}
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}
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@ -9,6 +9,8 @@ export interface IReader {
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readByte(): number,
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readUByte(): number,
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readBool(): boolean,
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readShortString(): string,
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readBytesAsString(bytesToRead:number): string,
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readShort(): number,
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readUShort(): number,
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readInt(): number,
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@ -17,7 +19,7 @@ export interface IReader {
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readULong(): bigint,
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readFloat(): number,
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readDouble(): number,
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readShortString(): string,
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readString(): string,
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readShortsAsString(shortsToRead:number): string,
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readString16(): string,
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}
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@ -53,20 +53,9 @@ export class ReaderBE extends ReaderBase implements IReader {
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return value;
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}
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public readShortString() {
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const length = this.readUByte();
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let text:string = "";
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for (let i = 0; i < length; i++) {
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text += String.fromCharCode(this.readUByte());
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}
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return text;
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}
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public readString() {
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const length = this.readUShort();
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let text:string = "";
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let text = "";
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for (let i = 0; i < length; i++) {
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text += String.fromCharCode(this.readUByte());
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@ -77,7 +66,7 @@ export class ReaderBE extends ReaderBase implements IReader {
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public readString16() {
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const length = this.readUShort();
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let text:string = "";
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let text = "";
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for (let i = 0; i < length; i++) {
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text += String.fromCharCode(this.readUShort());
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@ -85,4 +74,14 @@ export class ReaderBE extends ReaderBase implements IReader {
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return text;
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}
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public readShortsAsString(shortsToRead:number) {
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let text = "";
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for (let i = 0; i < shortsToRead; i++) {
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text += String.fromCharCode(this.readUShort());
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}
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return text;
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}
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}
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@ -53,17 +53,6 @@ export class ReaderLE extends ReaderBase implements IReader {
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return value;
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}
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public readShortString() {
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const length = this.readUByte();
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let text:string = "";
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for (let i = 0; i < length; i++) {
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text += String.fromCharCode(this.readUByte());
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}
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return text;
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}
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public readString() {
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const length = this.readUShort();
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let text:string = "";
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@ -85,4 +74,14 @@ export class ReaderLE extends ReaderBase implements IReader {
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return text;
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}
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public readShortsAsString(shortsToRead:number) {
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let text = "";
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for (let i = 0; i < shortsToRead; i++) {
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text += String.fromCharCode(this.readUShort());
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}
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return text;
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}
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}
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@ -11,15 +11,17 @@ export interface IWriter {
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writeByte(value:number): IWriter,
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writeUByte(value:number): IWriter,
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writeBool(value:boolean|number): IWriter,
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writeStringAsBytes(text:string): IWriter,
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writeShort(value:number): IWriter,
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writeUShort(value:number): IWriter,
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writeInt(value:number): IWriter,
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writeUInt(value:number): IWriter,
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writeLong(value:number|bigint): IWriter,
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writeULong(value:number): IWriter,
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writeULong(value:number|bigint): IWriter,
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writeFloat(value:number): IWriter,
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writeDouble(value:number): IWriter,
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writeShortString(text:string): IWriter,
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writeString(text:string): IWriter,
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writeString16(text:string): IWriter,
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writeStringAsShorts(text:string): IWriter
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}
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@ -147,4 +147,19 @@ export class WriterBE extends WriterBase implements IWriter {
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return this;
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}
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public writeStringAsShorts(text:string) {
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let buffer:Buffer;
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if (this.resizable) {
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buffer = getBufferClass().alloc(text.length * 2);
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} else {
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buffer = this.buffer;
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}
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for (let i = 0; i < text.length; i++) {
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buffer.writeUint16BE(text.charCodeAt(i), i);
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}
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return this;
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}
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}
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@ -146,4 +146,19 @@ export class WriterLE extends WriterBase implements IWriter {
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return this;
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}
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public writeStringAsShorts(text:string) {
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let buffer:Buffer;
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if (this.resizable) {
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buffer = getBufferClass().alloc(text.length * 2);
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} else {
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buffer = this.buffer;
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}
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for (let i = 0; i < text.length; i++) {
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buffer.writeUint16LE(text.charCodeAt(i), i);
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}
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return this;
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}
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}
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