// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://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"), require("../xml/xml"), require("../javascript/javascript"), require("../css/css"));

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else if (typeof define == "function" && define.amd) // AMD

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define(["../../lib/codemirror", "../xml/xml", "../javascript/javascript", "../css/css"], 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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var defaultTags = {

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script: [

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["lang", /(javascript|babel)/i, "javascript"],

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["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i, "javascript"],

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["type", /./, "text/plain"],

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[null, null, "javascript"]

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],

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style: [

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["lang", /^css$/i, "css"],

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["type", /^(text\/)?(x-)?(stylesheet|css)$/i, "css"],

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["type", /./, "text/plain"],

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[null, null, "css"]

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]

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};

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function maybeBackup(stream, pat, style) {

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var cur = stream.current(), close = cur.search(pat);

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if (close > -1) {

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stream.backUp(cur.length - close);

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} else if (cur.match(/<\/?$/)) {

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stream.backUp(cur.length);

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if (!stream.match(pat, false)) stream.match(cur);

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}

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return style;

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}

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var attrRegexpCache = {};

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function getAttrRegexp(attr) {

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var regexp = attrRegexpCache[attr];

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if (regexp) return regexp;

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return attrRegexpCache[attr] = new RegExp("\\s+" + attr + "\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*");

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}

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function getAttrValue(text, attr) {

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var match = text.match(getAttrRegexp(attr))

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return match ? /^\s*(.*?)\s*$/.exec(match[2])[1] : ""

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}

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function getTagRegexp(tagName, anchored) {

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return new RegExp((anchored ? "^" : "") + "<\/\s*" + tagName + "\s*>", "i");

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}

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function addTags(from, to) {

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for (var tag in from) {

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var dest = to[tag] || (to[tag] = []);

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var source = from[tag];

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for (var i = source.length - 1; i >= 0; i--)

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dest.unshift(source[i])

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}

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}

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function findMatchingMode(tagInfo, tagText) {

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for (var i = 0; i < tagInfo.length; i++) {

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var spec = tagInfo[i];

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if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2];

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}

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}

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CodeMirror.defineMode("htmlmixed", function (config, parserConfig) {

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var htmlMode = CodeMirror.getMode(config, {

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name: "xml",

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htmlMode: true,

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multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,

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multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag

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});

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var tags = {};

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var configTags = parserConfig && parserConfig.tags, configScript = parserConfig && parserConfig.scriptTypes;

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addTags(defaultTags, tags);

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if (configTags) addTags(configTags, tags);

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if (configScript) for (var i = configScript.length - 1; i >= 0; i--)

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tags.script.unshift(["type", configScript[i].matches, configScript[i].mode])

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function html(stream, state) {

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var style = htmlMode.token(stream, state.htmlState), tag = /\btag\b/.test(style), tagName

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if (tag && !/[<>\s\/]/.test(stream.current()) &&

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(tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) &&

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tags.hasOwnProperty(tagName)) {

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state.inTag = tagName + " "

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} else if (state.inTag && tag && />$/.test(stream.current())) {

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var inTag = /^([\S]+) (.*)/.exec(state.inTag)

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state.inTag = null

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var modeSpec = stream.current() == ">" && findMatchingMode(tags[inTag[1]], inTag[2])

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var mode = CodeMirror.getMode(config, modeSpec)

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var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false);

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state.token = function (stream, state) {

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if (stream.match(endTagA, false)) {

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state.token = html;

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state.localState = state.localMode = null;

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return null;

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}

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return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState));

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};

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state.localMode = mode;

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state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, ""));

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} else if (state.inTag) {

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state.inTag += stream.current()

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if (stream.eol()) state.inTag += " "

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}

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return style;

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};

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return {

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startState: function () {

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var state = CodeMirror.startState(htmlMode);

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return {token: html, inTag: null, localMode: null, localState: null, htmlState: state};

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},

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copyState: function (state) {

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var local;

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if (state.localState) {

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local = CodeMirror.copyState(state.localMode, state.localState);

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}

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return {token: state.token, inTag: state.inTag,

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localMode: state.localMode, localState: local,

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htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};

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},

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token: function (stream, state) {

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return state.token(stream, state);

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},

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indent: function (state, textAfter) {

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if (!state.localMode || /^\s*<\//.test(textAfter))

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return htmlMode.indent(state.htmlState, textAfter);

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else if (state.localMode.indent)

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return state.localMode.indent(state.localState, textAfter);

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else

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return CodeMirror.Pass;

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},

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innerMode: function (state) {

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return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};

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}

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};

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}, "xml", "javascript", "css");

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CodeMirror.defineMIME("text/html", "htmlmixed");

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});

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