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File: editor/codemirror/src/display/highlight_worker.js

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  Classes of Cedric Maenetja   Custom PHP HTML Parser   editor/codemirror/src/display/highlight_worker.js   Download  
File: editor/codemirror/src/display/highlight_worker.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Custom PHP HTML Parser
Process HTML to replace it with parameter values
Author: By
Last change:
Date: 1 year ago
Size: 2,276 bytes
 

Contents

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import { getContextBefore, highlightLine, processLine } from "../line/highlight.js" import { copyState } from "../modes.js" import { bind } from "../util/misc.js" import { runInOp } from "./operations.js" import { regLineChange } from "./view_tracking.js" // HIGHLIGHT WORKER export function startWorker(cm, time) { if (cm.doc.highlightFrontier < cm.display.viewTo) cm.state.highlight.set(time, bind(highlightWorker, cm)) } function highlightWorker(cm) { let doc = cm.doc if (doc.highlightFrontier >= cm.display.viewTo) return let end = +new Date + cm.options.workTime let context = getContextBefore(cm, doc.highlightFrontier) let changedLines = [] doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), line => { if (context.line >= cm.display.viewFrom) { // Visible let oldStyles = line.styles let resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null let highlighted = highlightLine(cm, line, context, true) if (resetState) context.state = resetState line.styles = highlighted.styles let oldCls = line.styleClasses, newCls = highlighted.classes if (newCls) line.styleClasses = newCls else if (oldCls) line.styleClasses = null let ischange = !oldStyles || oldStyles.length != line.styles.length || oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass) for (let i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i] if (ischange) changedLines.push(context.line) line.stateAfter = context.save() context.nextLine() } else { if (line.text.length <= cm.options.maxHighlightLength) processLine(cm, line.text, context) line.stateAfter = context.line % 5 == 0 ? context.save() : null context.nextLine() } if (+new Date > end) { startWorker(cm, cm.options.workDelay) return true } }) doc.highlightFrontier = context.line doc.modeFrontier = Math.max(doc.modeFrontier, context.line) if (changedLines.length) runInOp(cm, () => { for (let i = 0; i < changedLines.length; i++) regLineChange(cm, changedLines[i], "text") }) }