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Highlight/languages/xquery.js

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+/*
+Language: XQuery
+Author: Dirk Kirsten <dk@basex.org>
+Description: Supports XQuery 3.1 including XQuery Update 3, so also XPath (as it is a superset)
+Category: functional
+*/
+
+function(hljs) {
+  var KEYWORDS = 'for let if while then else return where group by xquery encoding version' +
+    'module namespace boundary-space preserve strip default collation base-uri ordering' +
+    'copy-namespaces order declare import schema namespace function option in allowing empty' +
+    'at tumbling window sliding window start when only end when previous next stable ascending' +
+    'descending empty greatest least some every satisfies switch case typeswitch try catch and' +
+    'or to union intersect instance of treat as castable cast map array delete insert into' +
+    'replace value rename copy modify update';
+  var LITERAL = 'false true xs:string xs:integer element item xs:date xs:datetime xs:float xs:double xs:decimal QName xs:anyURI xs:long xs:int xs:short xs:byte attribute';
+  var VAR = {
+    begin: /\$[a-zA-Z0-9\-]+/
+  };
+
+  var NUMBER = {
+    className: 'number',
+    begin: '(\\b0[0-7_]+)|(\\b0x[0-9a-fA-F_]+)|(\\b[1-9][0-9_]*(\\.[0-9_]+)?)|[0_]\\b',
+    relevance: 0
+  };
+
+  var STRING = {
+    className: 'string',
+    variants: [
+      {begin: /"/, end: /"/, contains: [{begin: /""/, relevance: 0}]},
+      {begin: /'/, end: /'/, contains: [{begin: /''/, relevance: 0}]}
+    ]
+  };
+
+  var ANNOTATION = {
+    className: 'meta',
+    begin: '%\\w+'
+  };
+
+  var COMMENT = {
+    className: 'comment',
+    begin: '\\(:', end: ':\\)',
+    relevance: 10,
+    contains: [
+      {
+        className: 'doctag', begin: '@\\w+'
+      }
+    ]
+  };
+
+  var METHOD = {
+    begin: '{', end: '}'
+  };
+
+  var CONTAINS = [
+    VAR,
+    STRING,
+    NUMBER,
+    COMMENT,
+    ANNOTATION,
+    METHOD
+  ];
+  METHOD.contains = CONTAINS;
+
+
+  return {
+    aliases: ['xpath', 'xq'],
+    case_insensitive: false,
+    lexemes: /[a-zA-Z\$][a-zA-Z0-9_:\-]*/,
+    illegal: /(proc)|(abstract)|(extends)|(until)|(#)/,
+    keywords: {
+      keyword: KEYWORDS,
+      literal: LITERAL
+    },
+    contains: CONTAINS
+  };
+}