X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fxterm%2Fsrc%2Fbrowser%2FLinkifier.ts;fp=node_modules%2Fxterm%2Fsrc%2Fbrowser%2FLinkifier.ts;h=0000000000000000000000000000000000000000;hp=58aca70eb7d9a0b0fc59c4858c78d983aaf77cdd;hb=5e96dd57ddd883604e87f62bdddcb111c63a6e1a;hpb=acb5f682a2b75b972710cabd81658f63071324b0 diff --git a/node_modules/xterm/src/browser/Linkifier.ts b/node_modules/xterm/src/browser/Linkifier.ts deleted file mode 100644 index 58aca70..0000000 --- a/node_modules/xterm/src/browser/Linkifier.ts +++ /dev/null @@ -1,348 +0,0 @@ -/** - * Copyright (c) 2017 The xterm.js authors. All rights reserved. - * @license MIT - */ - -import { ILinkifierEvent, ILinkMatcher, LinkMatcherHandler, ILinkMatcherOptions, ILinkifier, IMouseZoneManager, IMouseZone, IRegisteredLinkMatcher } from 'browser/Types'; -import { IBufferStringIteratorResult } from 'common/buffer/Types'; -import { getStringCellWidth } from 'common/CharWidth'; -import { EventEmitter, IEvent } from 'common/EventEmitter'; -import { ILogService, IBufferService } from 'common/services/Services'; - -/** - * Limit of the unwrapping line expansion (overscan) at the top and bottom - * of the actual viewport in ASCII characters. - * A limit of 2000 should match most sane urls. - */ -const OVERSCAN_CHAR_LIMIT = 2000; - -/** - * The Linkifier applies links to rows shortly after they have been refreshed. - */ -export class Linkifier implements ILinkifier { - /** - * The time to wait after a row is changed before it is linkified. This prevents - * the costly operation of searching every row multiple times, potentially a - * huge amount of times. - */ - protected static _timeBeforeLatency = 200; - - protected _linkMatchers: IRegisteredLinkMatcher[] = []; - - private _mouseZoneManager: IMouseZoneManager | undefined; - private _element: HTMLElement | undefined; - - private _rowsTimeoutId: number | undefined; - private _nextLinkMatcherId = 0; - private _rowsToLinkify: { start: number | undefined, end: number | undefined }; - - private _onLinkHover = new EventEmitter(); - public get onLinkHover(): IEvent { return this._onLinkHover.event; } - private _onLinkLeave = new EventEmitter(); - public get onLinkLeave(): IEvent { return this._onLinkLeave.event; } - private _onLinkTooltip = new EventEmitter(); - public get onLinkTooltip(): IEvent { return this._onLinkTooltip.event; } - - constructor( - protected readonly _bufferService: IBufferService, - private readonly _logService: ILogService - ) { - this._rowsToLinkify = { - start: undefined, - end: undefined - }; - } - - /** - * Attaches the linkifier to the DOM, enabling linkification. - * @param mouseZoneManager The mouse zone manager to register link zones with. - */ - public attachToDom(element: HTMLElement, mouseZoneManager: IMouseZoneManager): void { - this._element = element; - this._mouseZoneManager = mouseZoneManager; - } - - /** - * Queue linkification on a set of rows. - * @param start The row to linkify from (inclusive). - * @param end The row to linkify to (inclusive). - */ - public linkifyRows(start: number, end: number): void { - // Don't attempt linkify if not yet attached to DOM - if (!this._mouseZoneManager) { - return; - } - - // Increase range to linkify - if (this._rowsToLinkify.start === undefined || this._rowsToLinkify.end === undefined) { - this._rowsToLinkify.start = start; - this._rowsToLinkify.end = end; - } else { - this._rowsToLinkify.start = Math.min(this._rowsToLinkify.start, start); - this._rowsToLinkify.end = Math.max(this._rowsToLinkify.end, end); - } - - // Clear out any existing links on this row range - this._mouseZoneManager.clearAll(start, end); - - // Restart timer - if (this._rowsTimeoutId) { - clearTimeout(this._rowsTimeoutId); - } - this._rowsTimeoutId = setTimeout(() => this._linkifyRows(), Linkifier._timeBeforeLatency); - } - - /** - * Linkifies the rows requested. - */ - private _linkifyRows(): void { - this._rowsTimeoutId = undefined; - const buffer = this._bufferService.buffer; - - if (this._rowsToLinkify.start === undefined || this._rowsToLinkify.end === undefined) { - this._logService.debug('_rowToLinkify was unset before _linkifyRows was called'); - return; - } - - // Ensure the start row exists - const absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start; - if (absoluteRowIndexStart >= buffer.lines.length) { - return; - } - - // Invalidate bad end row values (if a resize happened) - const absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._bufferService.rows) + 1; - - // Iterate over the range of unwrapped content strings within start..end - // (excluding). - // _doLinkifyRow gets full unwrapped lines with the start row as buffer offset - // for every matcher. - // The unwrapping is needed to also match content that got wrapped across - // several buffer lines. To avoid a worst case scenario where the whole buffer - // contains just a single unwrapped string we limit this line expansion beyond - // the viewport to +OVERSCAN_CHAR_LIMIT chars (overscan) at top and bottom. - // This comes with the tradeoff that matches longer than OVERSCAN_CHAR_LIMIT - // chars will not match anymore at the viewport borders. - const overscanLineLimit = Math.ceil(OVERSCAN_CHAR_LIMIT / this._bufferService.cols); - const iterator = this._bufferService.buffer.iterator( - false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit); - while (iterator.hasNext()) { - const lineData: IBufferStringIteratorResult = iterator.next(); - for (let i = 0; i < this._linkMatchers.length; i++) { - this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]); - } - } - - this._rowsToLinkify.start = undefined; - this._rowsToLinkify.end = undefined; - } - - /** - * Registers a link matcher, allowing custom link patterns to be matched and - * handled. - * @param regex The regular expression to search for. Specifically, this - * searches the textContent of the rows. You will want to use \s to match a - * space ' ' character for example. - * @param handler The callback when the link is called. - * @param options Options for the link matcher. - * @return The ID of the new matcher, this can be used to deregister. - */ - public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: ILinkMatcherOptions = {}): number { - if (!handler) { - throw new Error('handler must be defined'); - } - const matcher: IRegisteredLinkMatcher = { - id: this._nextLinkMatcherId++, - regex, - handler, - matchIndex: options.matchIndex, - validationCallback: options.validationCallback, - hoverTooltipCallback: options.tooltipCallback, - hoverLeaveCallback: options.leaveCallback, - willLinkActivate: options.willLinkActivate, - priority: options.priority || 0 - }; - this._addLinkMatcherToList(matcher); - return matcher.id; - } - - /** - * Inserts a link matcher to the list in the correct position based on the - * priority of each link matcher. New link matchers of equal priority are - * considered after older link matchers. - * @param matcher The link matcher to be added. - */ - private _addLinkMatcherToList(matcher: IRegisteredLinkMatcher): void { - if (this._linkMatchers.length === 0) { - this._linkMatchers.push(matcher); - return; - } - - for (let i = this._linkMatchers.length - 1; i >= 0; i--) { - if (matcher.priority <= this._linkMatchers[i].priority) { - this._linkMatchers.splice(i + 1, 0, matcher); - return; - } - } - - this._linkMatchers.splice(0, 0, matcher); - } - - /** - * Deregisters a link matcher if it has been registered. - * @param matcherId The link matcher's ID (returned after register) - * @return Whether a link matcher was found and deregistered. - */ - public deregisterLinkMatcher(matcherId: number): boolean { - for (let i = 0; i < this._linkMatchers.length; i++) { - if (this._linkMatchers[i].id === matcherId) { - this._linkMatchers.splice(i, 1); - return true; - } - } - return false; - } - - /** - * Linkifies a row given a specific handler. - * @param rowIndex The row index to linkify (absolute index). - * @param text string content of the unwrapped row. - * @param matcher The link matcher for this line. - */ - private _doLinkifyRow(rowIndex: number, text: string, matcher: ILinkMatcher): void { - // clone regex to do a global search on text - const rex = new RegExp(matcher.regex.source, (matcher.regex.flags || '') + 'g'); - let match; - let stringIndex = -1; - while ((match = rex.exec(text)) !== null) { - const uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex]; - if (!uri) { - // something matched but does not comply with the given matchIndex - // since this is most likely a bug the regex itself we simply do nothing here - this._logService.debug('match found without corresponding matchIndex', match, matcher); - break; - } - - // Get index, match.index is for the outer match which includes negated chars - // therefore we cannot use match.index directly, instead we search the position - // of the match group in text again - // also correct regex and string search offsets for the next loop run - stringIndex = text.indexOf(uri, stringIndex + 1); - rex.lastIndex = stringIndex + uri.length; - if (stringIndex < 0) { - // invalid stringIndex (should not have happened) - break; - } - - // get the buffer index as [absolute row, col] for the match - const bufferIndex = this._bufferService.buffer.stringIndexToBufferIndex(rowIndex, stringIndex); - if (bufferIndex[0] < 0) { - // invalid bufferIndex (should not have happened) - break; - } - - const line = this._bufferService.buffer.lines.get(bufferIndex[0]); - if (!line) { - break; - } - - const attr = line.getFg(bufferIndex[1]); - const fg = attr ? (attr >> 9) & 0x1ff : undefined; - - if (matcher.validationCallback) { - matcher.validationCallback(uri, isValid => { - // Discard link if the line has already changed - if (this._rowsTimeoutId) { - return; - } - if (isValid) { - this._addLink(bufferIndex[1], bufferIndex[0] - this._bufferService.buffer.ydisp, uri, matcher, fg); - } - }); - } else { - this._addLink(bufferIndex[1], bufferIndex[0] - this._bufferService.buffer.ydisp, uri, matcher, fg); - } - } - } - - /** - * Registers a link to the mouse zone manager. - * @param x The column the link starts. - * @param y The row the link is on. - * @param uri The URI of the link. - * @param matcher The link matcher for the link. - * @param fg The link color for hover event. - */ - private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher, fg: number | undefined): void { - if (!this._mouseZoneManager || !this._element) { - return; - } - - const width = getStringCellWidth(uri); - const x1 = x % this._bufferService.cols; - const y1 = y + Math.floor(x / this._bufferService.cols); - let x2 = (x1 + width) % this._bufferService.cols; - let y2 = y1 + Math.floor((x1 + width) / this._bufferService.cols); - if (x2 === 0) { - x2 = this._bufferService.cols; - y2--; - } - - this._mouseZoneManager.add(new MouseZone( - x1 + 1, - y1 + 1, - x2 + 1, - y2 + 1, - e => { - if (matcher.handler) { - return matcher.handler(e, uri); - } - window.open(uri, '_blank'); - }, - () => { - this._onLinkHover.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg)); - this._element!.classList.add('xterm-cursor-pointer'); - }, - e => { - this._onLinkTooltip.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg)); - if (matcher.hoverTooltipCallback) { - // Note that IViewportRange use 1-based coordinates to align with escape sequences such - // as CUP which use 1,1 as the default for row/col - matcher.hoverTooltipCallback(e, uri, { start: { x: x1, y: y1 }, end: { x: x2, y: y2 } }); - } - }, - () => { - this._onLinkLeave.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg)); - this._element!.classList.remove('xterm-cursor-pointer'); - if (matcher.hoverLeaveCallback) { - matcher.hoverLeaveCallback(); - } - }, - e => { - if (matcher.willLinkActivate) { - return matcher.willLinkActivate(e, uri); - } - return true; - } - )); - } - - private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number, fg: number | undefined): ILinkifierEvent { - return { x1, y1, x2, y2, cols: this._bufferService.cols, fg }; - } -} - -export class MouseZone implements IMouseZone { - constructor( - public x1: number, - public y1: number, - public x2: number, - public y2: number, - public clickCallback: (e: MouseEvent) => any, - public hoverCallback: (e: MouseEvent) => any, - public tooltipCallback: (e: MouseEvent) => any, - public leaveCallback: () => void, - public willLinkActivate: (e: MouseEvent) => boolean - ) { - } -}