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* Update CodeMirror to version 5.49.0 * Update CodeMirror versions in librejs and VERSIONS
153 lines
4.7 KiB
JavaScript
153 lines
4.7 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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function doFold(cm, pos, options, force) {
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if (options && options.call) {
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var finder = options;
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options = null;
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} else {
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var finder = getOption(cm, options, "rangeFinder");
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}
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if (typeof pos == "number") pos = CodeMirror.Pos(pos, 0);
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var minSize = getOption(cm, options, "minFoldSize");
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function getRange(allowFolded) {
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var range = finder(cm, pos);
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if (!range || range.to.line - range.from.line < minSize) return null;
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var marks = cm.findMarksAt(range.from);
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for (var i = 0; i < marks.length; ++i) {
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if (marks[i].__isFold && force !== "fold") {
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if (!allowFolded) return null;
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range.cleared = true;
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marks[i].clear();
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}
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}
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return range;
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}
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var range = getRange(true);
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if (getOption(cm, options, "scanUp")) while (!range && pos.line > cm.firstLine()) {
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pos = CodeMirror.Pos(pos.line - 1, 0);
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range = getRange(false);
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}
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if (!range || range.cleared || force === "unfold") return;
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var myWidget = makeWidget(cm, options);
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CodeMirror.on(myWidget, "mousedown", function(e) {
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myRange.clear();
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CodeMirror.e_preventDefault(e);
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});
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var myRange = cm.markText(range.from, range.to, {
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replacedWith: myWidget,
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clearOnEnter: getOption(cm, options, "clearOnEnter"),
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__isFold: true
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});
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myRange.on("clear", function(from, to) {
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CodeMirror.signal(cm, "unfold", cm, from, to);
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});
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CodeMirror.signal(cm, "fold", cm, range.from, range.to);
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}
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function makeWidget(cm, options) {
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var widget = getOption(cm, options, "widget");
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if (typeof widget == "string") {
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var text = document.createTextNode(widget);
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widget = document.createElement("span");
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widget.appendChild(text);
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widget.className = "CodeMirror-foldmarker";
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} else if (widget) {
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widget = widget.cloneNode(true)
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}
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return widget;
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}
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// Clumsy backwards-compatible interface
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CodeMirror.newFoldFunction = function(rangeFinder, widget) {
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return function(cm, pos) { doFold(cm, pos, {rangeFinder: rangeFinder, widget: widget}); };
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};
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// New-style interface
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CodeMirror.defineExtension("foldCode", function(pos, options, force) {
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doFold(this, pos, options, force);
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});
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CodeMirror.defineExtension("isFolded", function(pos) {
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var marks = this.findMarksAt(pos);
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for (var i = 0; i < marks.length; ++i)
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if (marks[i].__isFold) return true;
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});
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CodeMirror.commands.toggleFold = function(cm) {
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cm.foldCode(cm.getCursor());
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};
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CodeMirror.commands.fold = function(cm) {
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cm.foldCode(cm.getCursor(), null, "fold");
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};
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CodeMirror.commands.unfold = function(cm) {
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cm.foldCode(cm.getCursor(), null, "unfold");
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};
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CodeMirror.commands.foldAll = function(cm) {
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cm.operation(function() {
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for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
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cm.foldCode(CodeMirror.Pos(i, 0), null, "fold");
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});
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};
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CodeMirror.commands.unfoldAll = function(cm) {
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cm.operation(function() {
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for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
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cm.foldCode(CodeMirror.Pos(i, 0), null, "unfold");
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});
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};
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CodeMirror.registerHelper("fold", "combine", function() {
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var funcs = Array.prototype.slice.call(arguments, 0);
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return function(cm, start) {
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for (var i = 0; i < funcs.length; ++i) {
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var found = funcs[i](cm, start);
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if (found) return found;
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}
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};
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});
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CodeMirror.registerHelper("fold", "auto", function(cm, start) {
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var helpers = cm.getHelpers(start, "fold");
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for (var i = 0; i < helpers.length; i++) {
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var cur = helpers[i](cm, start);
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if (cur) return cur;
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}
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});
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var defaultOptions = {
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rangeFinder: CodeMirror.fold.auto,
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widget: "\u2194",
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minFoldSize: 0,
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scanUp: false,
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clearOnEnter: true
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};
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CodeMirror.defineOption("foldOptions", null);
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function getOption(cm, options, name) {
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if (options && options[name] !== undefined)
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return options[name];
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var editorOptions = cm.options.foldOptions;
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if (editorOptions && editorOptions[name] !== undefined)
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return editorOptions[name];
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return defaultOptions[name];
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}
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CodeMirror.defineExtension("foldOption", function(options, name) {
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return getOption(this, options, name);
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});
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});
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