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/*
Language: XQuery
Author: Dirk Kirsten <dk@basex.org>
Contributor: Duncan Paterson
Description: Supports XQuery 3.1 including XQuery Update 3, so also XPath (as it is a superset)
Refactored to process xml constructor syntax and function-bodies. Added missing data-types, xpath operands, inbuilt functions, and query prologs
Website: https://www.w3.org/XML/Query/
Category: functional
Audit: 2020
*/
/** @type LanguageFn */
function xquery(_hljs) {
// see https://www.w3.org/TR/xquery/#id-terminal-delimitation
const KEYWORDS =
'module schema namespace boundary-space preserve no-preserve strip default collation base-uri ordering context decimal-format decimal-separator copy-namespaces empty-sequence except exponent-separator external grouping-separator inherit no-inherit lax minus-sign per-mille percent schema-attribute schema-element strict unordered zero-digit ' +
'declare import option function validate variable ' +
'for at in let where order group by return if then else ' +
'tumbling sliding window start when only end previous next stable ' +
'ascending descending allowing 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';
// Node Types (sorted by inheritance)
// atomic types (sorted by inheritance)
const TYPE =
'item document-node node attribute document element comment namespace namespace-node processing-instruction text construction ' +
'xs:anyAtomicType xs:untypedAtomic xs:duration xs:time xs:decimal xs:float xs:double xs:gYearMonth xs:gYear xs:gMonthDay xs:gMonth xs:gDay xs:boolean xs:base64Binary xs:hexBinary xs:anyURI xs:QName xs:NOTATION xs:dateTime xs:dateTimeStamp xs:date xs:string xs:normalizedString xs:token xs:language xs:NMTOKEN xs:Name xs:NCName xs:ID xs:IDREF xs:ENTITY xs:integer xs:nonPositiveInteger xs:negativeInteger xs:long xs:int xs:short xs:byte xs:nonNegativeInteger xs:unisignedLong xs:unsignedInt xs:unsignedShort xs:unsignedByte xs:positiveInteger xs:yearMonthDuration xs:dayTimeDuration';
const LITERAL =
'eq ne lt le gt ge is ' +
'self:: child:: descendant:: descendant-or-self:: attribute:: following:: following-sibling:: parent:: ancestor:: ancestor-or-self:: preceding:: preceding-sibling:: ' +
'NaN';
// functions (TODO: find regex for op: without breaking build)
const BUILT_IN = {
className: 'built_in',
variants: [
{
begin: /\barray:/,
end: /(?:append|filter|flatten|fold-(?:left|right)|for-each(?:-pair)?|get|head|insert-before|join|put|remove|reverse|size|sort|subarray|tail)\b/
},
{
begin: /\bmap:/,
end: /(?:contains|entry|find|for-each|get|keys|merge|put|remove|size)\b/
},
{
begin: /\bmath:/,
end: /(?:a(?:cos|sin|tan[2]?)|cos|exp(?:10)?|log(?:10)?|pi|pow|sin|sqrt|tan)\b/
},
{
begin: /\bop:/,
end: /\(/,
excludeEnd: true
},
{
begin: /\bfn:/,
end: /\(/,
excludeEnd: true
},
// do not highlight inbuilt strings as variable or xml element names
{
begin: /[^</$:'"-]\b(?:abs|accumulator-(?:after|before)|adjust-(?:date(?:Time)?|time)-to-timezone|analyze-string|apply|available-(?:environment-variables|system-properties)|avg|base-uri|boolean|ceiling|codepoints?-(?:equal|to-string)|collation-key|collection|compare|concat|contains(?:-token)?|copy-of|count|current(?:-)?(?:date(?:Time)?|time|group(?:ing-key)?|output-uri|merge-(?:group|key))?data|dateTime|days?-from-(?:date(?:Time)?|duration)|deep-equal|default-(?:collation|language)|distinct-values|document(?:-uri)?|doc(?:-available)?|element-(?:available|with-id)|empty|encode-for-uri|ends-with|environment-variable|error|escape-html-uri|exactly-one|exists|false|filter|floor|fold-(?:left|right)|for-each(?:-pair)?|format-(?:date(?:Time)?|time|integer|number)|function-(?:arity|available|lookup|name)|generate-id|has-children|head|hours-from-(?:dateTime|duration|time)|id(?:ref)?|implicit-timezone|in-scope-prefixes|index-of|innermost|insert-before|iri-to-uri|json-(?:doc|to-xml)|key|lang|last|load-xquery-module|local-name(?:-from-QName)?|(?:lower|upper)-case|matches|max|minutes-from-(?:dateTime|duration|time)|min|months?-from-(?:date(?:Time)?|duration)|name(?:space-uri-?(?:for-prefix|from-QName)?)?|nilled|node-name|normalize-(?:space|unicode)|not|number|one-or-more|outermost|parse-(?:ietf-date|json)|path|position|(?:prefix-from-)?QName|random-number-generator|regex-group|remove|replace|resolve-(?:QName|uri)|reverse|root|round(?:-half-to-even)?|seconds-from-(?:dateTime|duration|time)|snapshot|sort|starts-with|static-base-uri|stream-available|string-?(?:join|length|to-codepoints)?|subsequence|substring-?(?:after|before)?|sum|system-property|tail|timezone-from-(?:date(?:Time)?|time)|tokenize|trace|trans(?:form|late)|true|type-available|unordered|unparsed-(?:entity|text)?-?(?:public-id|uri|available|lines)?|uri-collection|xml-to-json|years?-from-(?:date(?:Time)?|duration)|zero-or-one)\b/
},
{
begin: /\blocal:/,
end: /\(/,
excludeEnd: true
},
{
begin: /\bzip:/,
end: /(?:zip-file|(?:xml|html|text|binary)-entry| (?:update-)?entries)\b/
},
{
begin: /\b(?:util|db|functx|app|xdmp|xmldb):/,
end: /\(/,
excludeEnd: true
}
]
};
const TITLE = {
className: 'title',
begin: /\bxquery version "[13]\.[01]"\s?(?:encoding ".+")?/,
end: /;/
};
const VAR = {
className: 'variable',
begin: /[$][\w\-:]+/
};
const NUMBER = {
className: 'number',
begin: /(\b0[0-7_]+)|(\b0x[0-9a-fA-F_]+)|(\b[1-9][0-9_]*(\.[0-9_]+)?)|[0_]\b/,
relevance: 0
};
const STRING = {
className: 'string',
variants: [
{
begin: /"/,
end: /"/,
contains: [
{
begin: /""/,
relevance: 0
}
]
},
{
begin: /'/,
end: /'/,
contains: [
{
begin: /''/,
relevance: 0
}
]
}
]
};
const ANNOTATION = {
className: 'meta',
begin: /%[\w\-:]+/
};
const COMMENT = {
className: 'comment',
begin: /\(:/,
end: /:\)/,
relevance: 10,
contains: [
{
className: 'doctag',
begin: /@\w+/
}
]
};
// see https://www.w3.org/TR/xquery/#id-computedConstructors
// mocha: computed_inbuilt
// see https://www.regexpal.com/?fam=99749
const COMPUTED = {
beginKeywords: 'element attribute comment document processing-instruction',
end: /\{/,
excludeEnd: true
};
// mocha: direct_method
const DIRECT = {
begin: /<([\w._:-]+)(\s+\S*=('|").*('|"))?>/,
end: /(\/[\w._:-]+>)/,
subLanguage: 'xml',
contains: [
{
begin: /\{/,
end: /\}/,
subLanguage: 'xquery'
},
'self'
]
};
const CONTAINS = [
VAR,
BUILT_IN,
STRING,
NUMBER,
COMMENT,
ANNOTATION,
TITLE,
COMPUTED,
DIRECT
];
return {
name: 'XQuery',
aliases: [
'xpath',
'xq'
],
case_insensitive: false,
illegal: /(proc)|(abstract)|(extends)|(until)|(#)/,
keywords: {
$pattern: /[a-zA-Z$][a-zA-Z0-9_:-]*/,
keyword: KEYWORDS,
type: TYPE,
literal: LITERAL
},
contains: CONTAINS
};
}
module.exports = xquery;