Merge branch 'master' into 622_reflow3

This commit is contained in:
jerch
2019-01-05 01:24:28 +01:00
committed by GitHub
17 changed files with 294 additions and 227 deletions
+1 -126
View File
@@ -3,133 +3,8 @@
* @license MIT
*/
import { CharData, IBufferLine } from './Types';
import { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, WHITESPACE_CELL_CHAR } from './Buffer';
import { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR, WHITESPACE_CELL_CHAR } from './Buffer';
/**
* Class representing a terminal line.
*
* @deprecated to be removed with one of the next releases
*/
export class BufferLineJSArray implements IBufferLine {
protected _data: CharData[];
public isWrapped = false;
public length: number;
constructor(cols: number, fillCharData?: CharData, isWrapped?: boolean) {
this._data = [];
if (!fillCharData) {
fillCharData = [0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE];
}
for (let i = 0; i < cols; i++) {
this._push(fillCharData); // Note: the ctor ch is not cloned (resembles old behavior)
}
if (isWrapped) {
this.isWrapped = true;
}
this.length = this._data.length;
}
private _pop(): CharData | undefined {
const data = this._data.pop();
this.length = this._data.length;
return data;
}
private _push(data: CharData): void {
this._data.push(data);
this.length = this._data.length;
}
private _splice(start: number, deleteCount: number, ...items: CharData[]): CharData[] {
const removed = this._data.splice(start, deleteCount, ...items);
this.length = this._data.length;
return removed;
}
public get(index: number): CharData {
return this._data[index];
}
public set(index: number, data: CharData): void {
this._data[index] = data;
}
/** insert n cells ch at pos, right cells are lost (stable length) */
public insertCells(pos: number, n: number, ch: CharData): void {
while (n--) {
this._splice(pos, 0, ch);
this._pop();
}
}
/** delete n cells at pos, right side is filled with fill (stable length) */
public deleteCells(pos: number, n: number, fillCharData: CharData): void {
while (n--) {
this._splice(pos, 1);
this._push(fillCharData);
}
}
/** replace cells from pos to pos + n - 1 with fill */
public replaceCells(start: number, end: number, fillCharData: CharData): void {
while (start < end && start < this.length) {
this.set(start++, fillCharData); // Note: fill is not cloned (resembles old behavior)
}
}
/** resize line to cols filling new cells with fill */
public resize(cols: number, fillCharData: CharData, shrink: boolean = false): void {
while (this._data.length < cols) {
this._data.push(fillCharData);
}
if (shrink) {
while (this._data.length > cols) {
this._data.pop();
}
}
this.length = this._data.length;
}
public fill(fillCharData: CharData): void {
for (let i = 0; i < this.length; ++i) {
this.set(i, fillCharData);
}
}
public copyFrom(line: BufferLineJSArray): void {
this._data = line._data.slice(0);
this.length = line.length;
this.isWrapped = line.isWrapped;
}
public clone(): IBufferLine {
const newLine = new BufferLineJSArray(0);
newLine.copyFrom(this);
return newLine;
}
public getTrimmedLength(): number {
for (let i = this.length - 1; i >= 0; --i) {
const ch = this.get(i);
if (ch[CHAR_DATA_CHAR_INDEX] !== '') {
return i + ch[CHAR_DATA_WIDTH_INDEX];
}
}
return 0;
}
public translateToString(trimRight: boolean = false, startCol: number = 0, endCol: number = this.length): string {
if (trimRight) {
endCol = Math.min(endCol, this.getTrimmedLength());
}
let result = '';
while (startCol < endCol) {
result += this.get(startCol)[CHAR_DATA_CHAR_INDEX] || WHITESPACE_CELL_CHAR;
startCol += this.get(startCol)[CHAR_DATA_WIDTH_INDEX] || 1;
}
return result;
}
}
/** typed array slots taken by one cell */
const CELL_SIZE = 3;