37 lines
553 B
JavaScript
37 lines
553 B
JavaScript
|
import { strlen } from './utils.ts';
|
||
|
|
import { getRuntime } from './runtime.ts';
|
||
|
|
|
||
|
|
class Buffer {
|
||
|
|
#b = '';
|
||
|
|
|
||
|
|
constructor() {
|
||
|
|
}
|
||
|
|
|
||
|
|
public append(s: string): void {
|
||
|
|
this.#b += s;
|
||
|
|
}
|
||
|
|
|
||
|
|
public appendLine(s: string): void {
|
||
|
|
this.#b += s + '\r\n';
|
||
|
|
}
|
||
|
|
|
||
|
|
public clear(): void {
|
||
|
|
this.#b = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Output the contents of the buffer into stdout
|
||
|
|
*/
|
||
|
|
public async flush() {
|
||
|
|
const { term } = await getRuntime();
|
||
|
|
await term.writeStdout(this.#b);
|
||
|
|
this.clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
public strlen(): number {
|
||
|
|
return strlen(this.#b);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
export default Buffer;
|