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- // CodeMirror, copyright (c) by Marijn Haverbeke and others
- // Distributed under an MIT license: https://codemirror.net/LICENSE
- window.CodeMirror = {};
- (function() {
- "use strict";
- function splitLines(string){ return string.split(/\r?\n|\r/); };
- function StringStream(string) {
- this.pos = this.start = 0;
- this.string = string;
- this.lineStart = 0;
- }
- StringStream.prototype = {
- eol: function() {return this.pos >= this.string.length;},
- sol: function() {return this.pos == 0;},
- peek: function() {return this.string.charAt(this.pos) || null;},
- next: function() {
- if (this.pos < this.string.length)
- return this.string.charAt(this.pos++);
- },
- eat: function(match) {
- var ch = this.string.charAt(this.pos);
- if (typeof match == "string") var ok = ch == match;
- else var ok = ch && (match.test ? match.test(ch) : match(ch));
- if (ok) {++this.pos; return ch;}
- },
- eatWhile: function(match) {
- var start = this.pos;
- while (this.eat(match)){}
- return this.pos > start;
- },
- eatSpace: function() {
- var start = this.pos;
- while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
- return this.pos > start;
- },
- skipToEnd: function() {this.pos = this.string.length;},
- skipTo: function(ch) {
- var found = this.string.indexOf(ch, this.pos);
- if (found > -1) {this.pos = found; return true;}
- },
- backUp: function(n) {this.pos -= n;},
- column: function() {return this.start - this.lineStart;},
- indentation: function() {return 0;},
- match: function(pattern, consume, caseInsensitive) {
- if (typeof pattern == "string") {
- var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
- var substr = this.string.substr(this.pos, pattern.length);
- if (cased(substr) == cased(pattern)) {
- if (consume !== false) this.pos += pattern.length;
- return true;
- }
- } else {
- var match = this.string.slice(this.pos).match(pattern);
- if (match && match.index > 0) return null;
- if (match && consume !== false) this.pos += match[0].length;
- return match;
- }
- },
- current: function(){return this.string.slice(this.start, this.pos);},
- hideFirstChars: function(n, inner) {
- this.lineStart += n;
- try { return inner(); }
- finally { this.lineStart -= n; }
- },
- lookAhead: function() { return null }
- };
- CodeMirror.StringStream = StringStream;
- CodeMirror.startState = function (mode, a1, a2) {
- return mode.startState ? mode.startState(a1, a2) : true;
- };
- var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
- CodeMirror.defineMode = function (name, mode) {
- if (arguments.length > 2)
- mode.dependencies = Array.prototype.slice.call(arguments, 2);
- modes[name] = mode;
- };
- CodeMirror.defineMIME = function (mime, spec) { mimeModes[mime] = spec; };
- CodeMirror.resolveMode = function(spec) {
- if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
- spec = mimeModes[spec];
- } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
- spec = mimeModes[spec.name];
- }
- if (typeof spec == "string") return {name: spec};
- else return spec || {name: "null"};
- };
- CodeMirror.getMode = function (options, spec) {
- spec = CodeMirror.resolveMode(spec);
- var mfactory = modes[spec.name];
- if (!mfactory) throw new Error("Unknown mode: " + spec);
- return mfactory(options, spec);
- };
- CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min;
- CodeMirror.defineMode("null", function() {
- return {token: function(stream) {stream.skipToEnd();}};
- });
- CodeMirror.defineMIME("text/plain", "null");
- CodeMirror.runMode = function (string, modespec, callback, options) {
- var mode = CodeMirror.getMode({ indentUnit: 2 }, modespec);
- if (callback.nodeType == 1) {
- var tabSize = (options && options.tabSize) || 4;
- var node = callback, col = 0;
- node.innerHTML = "";
- callback = function (text, style) {
- if (text == "\n") {
- node.appendChild(document.createElement("br"));
- col = 0;
- return;
- }
- var content = "";
- // replace tabs
- for (var pos = 0; ;) {
- var idx = text.indexOf("\t", pos);
- if (idx == -1) {
- content += text.slice(pos);
- col += text.length - pos;
- break;
- } else {
- col += idx - pos;
- content += text.slice(pos, idx);
- var size = tabSize - col % tabSize;
- col += size;
- for (var i = 0; i < size; ++i) content += " ";
- pos = idx + 1;
- }
- }
- if (style) {
- var sp = node.appendChild(document.createElement("span"));
- sp.className = "cm-" + style.replace(/ +/g, " cm-");
- sp.appendChild(document.createTextNode(content));
- } else {
- node.appendChild(document.createTextNode(content));
- }
- };
- }
- var lines = splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
- for (var i = 0, e = lines.length; i < e; ++i) {
- if (i) callback("\n");
- var stream = new CodeMirror.StringStream(lines[i]);
- if (!stream.string && mode.blankLine) mode.blankLine(state);
- while (!stream.eol()) {
- var style = mode.token(stream, state);
- callback(stream.current(), style, i, stream.start, state);
- stream.start = stream.pos;
- }
- }
- };
- })();
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