69dae1ec1c
* Added coding style modes to SimpleMDE * Moved the CodeMirror addon from simplemd to codemirror directory
438 lines
14 KiB
JavaScript
438 lines
14 KiB
JavaScript
// 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"));
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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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CodeMirror.defineMode("xquery", function() {
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// The keywords object is set to the result of this self executing
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// function. Each keyword is a property of the keywords object whose
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// value is {type: atype, style: astyle}
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var keywords = function(){
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// convenience functions used to build keywords object
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function kw(type) {return {type: type, style: "keyword"};}
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var A = kw("keyword a")
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, B = kw("keyword b")
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, C = kw("keyword c")
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, operator = kw("operator")
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, atom = {type: "atom", style: "atom"}
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, punctuation = {type: "punctuation", style: null}
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, qualifier = {type: "axis_specifier", style: "qualifier"};
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// kwObj is what is return from this function at the end
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var kwObj = {
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'if': A, 'switch': A, 'while': A, 'for': A,
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'else': B, 'then': B, 'try': B, 'finally': B, 'catch': B,
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'element': C, 'attribute': C, 'let': C, 'implements': C, 'import': C, 'module': C, 'namespace': C,
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'return': C, 'super': C, 'this': C, 'throws': C, 'where': C, 'private': C,
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',': punctuation,
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'null': atom, 'fn:false()': atom, 'fn:true()': atom
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};
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// a list of 'basic' keywords. For each add a property to kwObj with the value of
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// {type: basic[i], style: "keyword"} e.g. 'after' --> {type: "after", style: "keyword"}
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var basic = ['after','ancestor','ancestor-or-self','and','as','ascending','assert','attribute','before',
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'by','case','cast','child','comment','declare','default','define','descendant','descendant-or-self',
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'descending','document','document-node','element','else','eq','every','except','external','following',
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'following-sibling','follows','for','function','if','import','in','instance','intersect','item',
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'let','module','namespace','node','node','of','only','or','order','parent','precedes','preceding',
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'preceding-sibling','processing-instruction','ref','return','returns','satisfies','schema','schema-element',
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'self','some','sortby','stable','text','then','to','treat','typeswitch','union','variable','version','where',
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'xquery', 'empty-sequence'];
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for(var i=0, l=basic.length; i < l; i++) { kwObj[basic[i]] = kw(basic[i]);};
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// a list of types. For each add a property to kwObj with the value of
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// {type: "atom", style: "atom"}
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var types = ['xs:string', 'xs:float', 'xs:decimal', 'xs:double', 'xs:integer', 'xs:boolean', 'xs:date', 'xs:dateTime',
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'xs:time', 'xs:duration', 'xs:dayTimeDuration', 'xs:time', 'xs:yearMonthDuration', 'numeric', 'xs:hexBinary',
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'xs:base64Binary', 'xs:anyURI', 'xs:QName', 'xs:byte','xs:boolean','xs:anyURI','xf:yearMonthDuration'];
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for(var i=0, l=types.length; i < l; i++) { kwObj[types[i]] = atom;};
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// each operator will add a property to kwObj with value of {type: "operator", style: "keyword"}
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var operators = ['eq', 'ne', 'lt', 'le', 'gt', 'ge', ':=', '=', '>', '>=', '<', '<=', '.', '|', '?', 'and', 'or', 'div', 'idiv', 'mod', '*', '/', '+', '-'];
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for(var i=0, l=operators.length; i < l; i++) { kwObj[operators[i]] = operator;};
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// each axis_specifiers will add a property to kwObj with value of {type: "axis_specifier", style: "qualifier"}
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var axis_specifiers = ["self::", "attribute::", "child::", "descendant::", "descendant-or-self::", "parent::",
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"ancestor::", "ancestor-or-self::", "following::", "preceding::", "following-sibling::", "preceding-sibling::"];
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for(var i=0, l=axis_specifiers.length; i < l; i++) { kwObj[axis_specifiers[i]] = qualifier; };
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return kwObj;
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}();
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function chain(stream, state, f) {
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state.tokenize = f;
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return f(stream, state);
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}
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// the primary mode tokenizer
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function tokenBase(stream, state) {
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var ch = stream.next(),
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mightBeFunction = false,
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isEQName = isEQNameAhead(stream);
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// an XML tag (if not in some sub, chained tokenizer)
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if (ch == "<") {
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if(stream.match("!--", true))
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return chain(stream, state, tokenXMLComment);
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if(stream.match("![CDATA", false)) {
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state.tokenize = tokenCDATA;
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return "tag";
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}
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if(stream.match("?", false)) {
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return chain(stream, state, tokenPreProcessing);
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}
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var isclose = stream.eat("/");
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stream.eatSpace();
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var tagName = "", c;
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while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;
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return chain(stream, state, tokenTag(tagName, isclose));
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}
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// start code block
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else if(ch == "{") {
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pushStateStack(state,{ type: "codeblock"});
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return null;
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}
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// end code block
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else if(ch == "}") {
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popStateStack(state);
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return null;
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}
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// if we're in an XML block
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else if(isInXmlBlock(state)) {
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if(ch == ">")
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return "tag";
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else if(ch == "/" && stream.eat(">")) {
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popStateStack(state);
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return "tag";
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}
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else
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return "variable";
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}
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// if a number
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else if (/\d/.test(ch)) {
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stream.match(/^\d*(?:\.\d*)?(?:E[+\-]?\d+)?/);
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return "atom";
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}
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// comment start
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else if (ch === "(" && stream.eat(":")) {
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pushStateStack(state, { type: "comment"});
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return chain(stream, state, tokenComment);
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}
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// quoted string
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else if ( !isEQName && (ch === '"' || ch === "'"))
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return chain(stream, state, tokenString(ch));
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// variable
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else if(ch === "$") {
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return chain(stream, state, tokenVariable);
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}
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// assignment
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else if(ch ===":" && stream.eat("=")) {
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return "keyword";
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}
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// open paren
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else if(ch === "(") {
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pushStateStack(state, { type: "paren"});
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return null;
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}
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// close paren
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else if(ch === ")") {
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popStateStack(state);
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return null;
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}
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// open paren
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else if(ch === "[") {
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pushStateStack(state, { type: "bracket"});
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return null;
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}
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// close paren
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else if(ch === "]") {
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popStateStack(state);
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return null;
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}
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else {
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var known = keywords.propertyIsEnumerable(ch) && keywords[ch];
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// if there's a EQName ahead, consume the rest of the string portion, it's likely a function
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if(isEQName && ch === '\"') while(stream.next() !== '"'){}
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if(isEQName && ch === '\'') while(stream.next() !== '\''){}
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// gobble up a word if the character is not known
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if(!known) stream.eatWhile(/[\w\$_-]/);
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// gobble a colon in the case that is a lib func type call fn:doc
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var foundColon = stream.eat(":");
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// if there's not a second colon, gobble another word. Otherwise, it's probably an axis specifier
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// which should get matched as a keyword
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if(!stream.eat(":") && foundColon) {
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stream.eatWhile(/[\w\$_-]/);
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}
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// if the next non whitespace character is an open paren, this is probably a function (if not a keyword of other sort)
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if(stream.match(/^[ \t]*\(/, false)) {
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mightBeFunction = true;
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}
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// is the word a keyword?
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var word = stream.current();
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known = keywords.propertyIsEnumerable(word) && keywords[word];
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// if we think it's a function call but not yet known,
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// set style to variable for now for lack of something better
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if(mightBeFunction && !known) known = {type: "function_call", style: "variable def"};
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// if the previous word was element, attribute, axis specifier, this word should be the name of that
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if(isInXmlConstructor(state)) {
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popStateStack(state);
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return "variable";
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}
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// as previously checked, if the word is element,attribute, axis specifier, call it an "xmlconstructor" and
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// push the stack so we know to look for it on the next word
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if(word == "element" || word == "attribute" || known.type == "axis_specifier") pushStateStack(state, {type: "xmlconstructor"});
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// if the word is known, return the details of that else just call this a generic 'word'
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return known ? known.style : "variable";
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}
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}
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// handle comments, including nested
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function tokenComment(stream, state) {
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var maybeEnd = false, maybeNested = false, nestedCount = 0, ch;
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while (ch = stream.next()) {
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if (ch == ")" && maybeEnd) {
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if(nestedCount > 0)
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nestedCount--;
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else {
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popStateStack(state);
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break;
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}
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}
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else if(ch == ":" && maybeNested) {
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nestedCount++;
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}
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maybeEnd = (ch == ":");
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maybeNested = (ch == "(");
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}
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return "comment";
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}
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// tokenizer for string literals
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// optionally pass a tokenizer function to set state.tokenize back to when finished
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function tokenString(quote, f) {
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return function(stream, state) {
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var ch;
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if(isInString(state) && stream.current() == quote) {
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popStateStack(state);
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if(f) state.tokenize = f;
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return "string";
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}
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pushStateStack(state, { type: "string", name: quote, tokenize: tokenString(quote, f) });
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// if we're in a string and in an XML block, allow an embedded code block
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if(stream.match("{", false) && isInXmlAttributeBlock(state)) {
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state.tokenize = tokenBase;
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return "string";
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}
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while (ch = stream.next()) {
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if (ch == quote) {
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popStateStack(state);
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if(f) state.tokenize = f;
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break;
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}
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else {
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// if we're in a string and in an XML block, allow an embedded code block in an attribute
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if(stream.match("{", false) && isInXmlAttributeBlock(state)) {
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state.tokenize = tokenBase;
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return "string";
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}
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}
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}
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return "string";
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};
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}
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// tokenizer for variables
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function tokenVariable(stream, state) {
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var isVariableChar = /[\w\$_-]/;
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// a variable may start with a quoted EQName so if the next character is quote, consume to the next quote
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if(stream.eat("\"")) {
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while(stream.next() !== '\"'){};
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stream.eat(":");
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} else {
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stream.eatWhile(isVariableChar);
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if(!stream.match(":=", false)) stream.eat(":");
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}
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stream.eatWhile(isVariableChar);
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state.tokenize = tokenBase;
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return "variable";
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}
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// tokenizer for XML tags
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function tokenTag(name, isclose) {
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return function(stream, state) {
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stream.eatSpace();
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if(isclose && stream.eat(">")) {
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popStateStack(state);
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state.tokenize = tokenBase;
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return "tag";
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}
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// self closing tag without attributes?
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if(!stream.eat("/"))
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pushStateStack(state, { type: "tag", name: name, tokenize: tokenBase});
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if(!stream.eat(">")) {
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state.tokenize = tokenAttribute;
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return "tag";
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}
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else {
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state.tokenize = tokenBase;
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}
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return "tag";
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};
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}
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// tokenizer for XML attributes
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function tokenAttribute(stream, state) {
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var ch = stream.next();
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if(ch == "/" && stream.eat(">")) {
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if(isInXmlAttributeBlock(state)) popStateStack(state);
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if(isInXmlBlock(state)) popStateStack(state);
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return "tag";
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}
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if(ch == ">") {
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if(isInXmlAttributeBlock(state)) popStateStack(state);
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return "tag";
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}
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if(ch == "=")
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return null;
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// quoted string
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if (ch == '"' || ch == "'")
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return chain(stream, state, tokenString(ch, tokenAttribute));
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if(!isInXmlAttributeBlock(state))
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pushStateStack(state, { type: "attribute", tokenize: tokenAttribute});
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stream.eat(/[a-zA-Z_:]/);
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stream.eatWhile(/[-a-zA-Z0-9_:.]/);
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stream.eatSpace();
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// the case where the attribute has not value and the tag was closed
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if(stream.match(">", false) || stream.match("/", false)) {
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popStateStack(state);
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state.tokenize = tokenBase;
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}
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return "attribute";
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}
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// handle comments, including nested
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function tokenXMLComment(stream, state) {
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var ch;
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while (ch = stream.next()) {
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if (ch == "-" && stream.match("->", true)) {
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state.tokenize = tokenBase;
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return "comment";
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}
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}
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}
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// handle CDATA
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function tokenCDATA(stream, state) {
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var ch;
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while (ch = stream.next()) {
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if (ch == "]" && stream.match("]", true)) {
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state.tokenize = tokenBase;
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return "comment";
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}
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}
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}
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// handle preprocessing instructions
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function tokenPreProcessing(stream, state) {
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var ch;
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while (ch = stream.next()) {
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if (ch == "?" && stream.match(">", true)) {
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state.tokenize = tokenBase;
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return "comment meta";
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}
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}
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}
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// functions to test the current context of the state
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function isInXmlBlock(state) { return isIn(state, "tag"); }
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function isInXmlAttributeBlock(state) { return isIn(state, "attribute"); }
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function isInXmlConstructor(state) { return isIn(state, "xmlconstructor"); }
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function isInString(state) { return isIn(state, "string"); }
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function isEQNameAhead(stream) {
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// assume we've already eaten a quote (")
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if(stream.current() === '"')
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return stream.match(/^[^\"]+\"\:/, false);
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else if(stream.current() === '\'')
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return stream.match(/^[^\"]+\'\:/, false);
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else
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return false;
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}
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function isIn(state, type) {
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return (state.stack.length && state.stack[state.stack.length - 1].type == type);
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}
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function pushStateStack(state, newState) {
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state.stack.push(newState);
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}
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function popStateStack(state) {
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state.stack.pop();
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var reinstateTokenize = state.stack.length && state.stack[state.stack.length-1].tokenize;
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state.tokenize = reinstateTokenize || tokenBase;
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}
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// the interface for the mode API
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return {
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startState: function() {
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return {
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tokenize: tokenBase,
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cc: [],
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stack: []
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};
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},
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token: function(stream, state) {
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if (stream.eatSpace()) return null;
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var style = state.tokenize(stream, state);
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return style;
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},
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blockCommentStart: "(:",
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blockCommentEnd: ":)"
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};
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});
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CodeMirror.defineMIME("application/xquery", "xquery");
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});
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