| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 | // CodeMirror, copyright (c) by Marijn Haverbeke and others// Distributed under an MIT license: https://codemirror.net/LICENSE(function(mod) {  if (typeof exports == "object" && typeof module == "object") // CommonJS    mod(require("../../lib/codemirror"), require("./searchcursor"), require("../scroll/annotatescrollbar"));  else if (typeof define == "function" && define.amd) // AMD    define(["../../lib/codemirror", "./searchcursor", "../scroll/annotatescrollbar"], mod);  else // Plain browser env    mod(CodeMirror);})(function(CodeMirror) {  "use strict";  CodeMirror.defineExtension("showMatchesOnScrollbar", function(query, caseFold, options) {    if (typeof options == "string") options = {className: options};    if (!options) options = {};    return new SearchAnnotation(this, query, caseFold, options);  });  function SearchAnnotation(cm, query, caseFold, options) {    this.cm = cm;    this.options = options;    var annotateOptions = {listenForChanges: false};    for (var prop in options) annotateOptions[prop] = options[prop];    if (!annotateOptions.className) annotateOptions.className = "CodeMirror-search-match";    this.annotation = cm.annotateScrollbar(annotateOptions);    this.query = query;    this.caseFold = caseFold;    this.gap = {from: cm.firstLine(), to: cm.lastLine() + 1};    this.matches = [];    this.update = null;    this.findMatches();    this.annotation.update(this.matches);    var self = this;    cm.on("change", this.changeHandler = function(_cm, change) { self.onChange(change); });  }  var MAX_MATCHES = 1000;  SearchAnnotation.prototype.findMatches = function() {    if (!this.gap) return;    for (var i = 0; i < this.matches.length; i++) {      var match = this.matches[i];      if (match.from.line >= this.gap.to) break;      if (match.to.line >= this.gap.from) this.matches.splice(i--, 1);    }    var cursor = this.cm.getSearchCursor(this.query, CodeMirror.Pos(this.gap.from, 0), {caseFold: this.caseFold, multiline: this.options.multiline});    var maxMatches = this.options && this.options.maxMatches || MAX_MATCHES;    while (cursor.findNext()) {      var match = {from: cursor.from(), to: cursor.to()};      if (match.from.line >= this.gap.to) break;      this.matches.splice(i++, 0, match);      if (this.matches.length > maxMatches) break;    }    this.gap = null;  };  function offsetLine(line, changeStart, sizeChange) {    if (line <= changeStart) return line;    return Math.max(changeStart, line + sizeChange);  }  SearchAnnotation.prototype.onChange = function(change) {    var startLine = change.from.line;    var endLine = CodeMirror.changeEnd(change).line;    var sizeChange = endLine - change.to.line;    if (this.gap) {      this.gap.from = Math.min(offsetLine(this.gap.from, startLine, sizeChange), change.from.line);      this.gap.to = Math.max(offsetLine(this.gap.to, startLine, sizeChange), change.from.line);    } else {      this.gap = {from: change.from.line, to: endLine + 1};    }    if (sizeChange) for (var i = 0; i < this.matches.length; i++) {      var match = this.matches[i];      var newFrom = offsetLine(match.from.line, startLine, sizeChange);      if (newFrom != match.from.line) match.from = CodeMirror.Pos(newFrom, match.from.ch);      var newTo = offsetLine(match.to.line, startLine, sizeChange);      if (newTo != match.to.line) match.to = CodeMirror.Pos(newTo, match.to.ch);    }    clearTimeout(this.update);    var self = this;    this.update = setTimeout(function() { self.updateAfterChange(); }, 250);  };  SearchAnnotation.prototype.updateAfterChange = function() {    this.findMatches();    this.annotation.update(this.matches);  };  SearchAnnotation.prototype.clear = function() {    this.cm.off("change", this.changeHandler);    this.annotation.clear();  };});
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