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(function (Prism) {
Prism.languages.xquery = Prism.languages.extend('markup', {
'xquery-comment': {
pattern: /\(:[\s\S]*?:\)/,
greedy: true,
alias: "comment"
},
'string': {
pattern: /(["'])(?:\1\1|(?!\1)[\s\S])*\1/,
greedy: true
},
'extension': {
pattern: /\(#.+?#\)/,
alias: 'symbol'
},
'variable': /\$[\w-:]+/,
'axis': {
pattern: /(^|[^-])(?:ancestor(?:-or-self)?|attribute|child|descendant(?:-or-self)?|following(?:-sibling)?|parent|preceding(?:-sibling)?|self)(?=::)/,
lookbehind: true,
alias: 'operator'
},
'keyword-operator': {
pattern: /(^|[^:-])\b(?:and|castable as|div|eq|except|ge|gt|idiv|instance of|intersect|is|le|lt|mod|ne|or|union)\b(?=$|[^:-])/,
lookbehind: true,
alias: 'operator'
},
'keyword': {
pattern: /(^|[^:-])\b(?:as|ascending|at|base-uri|boundary-space|case|cast as|collation|construction|copy-namespaces|declare|default|descending|else|empty (?:greatest|least)|encoding|every|external|for|function|if|import|in|inherit|lax|let|map|module|namespace|no-inherit|no-preserve|option|order(?: by|ed|ing)?|preserve|return|satisfies|schema|some|stable|strict|strip|then|to|treat as|typeswitch|unordered|validate|variable|version|where|xquery)\b(?=$|[^:-])/,
lookbehind: true
},
'function': /[\w-]+(?::[\w-]+)*(?=\s*\()/,
'xquery-element': {
pattern: /(element\s+)[\w-]+(?::[\w-]+)*/,
lookbehind: true,
alias: 'tag'
},
'xquery-attribute': {
pattern: /(attribute\s+)[\w-]+(?::[\w-]+)*/,
lookbehind: true,
alias: 'attr-name'
},
'builtin': {
pattern: /(^|[^:-])\b(?:attribute|comment|document|element|processing-instruction|text|xs:(?:anyAtomicType|anyType|anyURI|base64Binary|boolean|byte|date|dateTime|dayTimeDuration|decimal|double|duration|ENTITIES|ENTITY|float|gDay|gMonth|gMonthDay|gYear|gYearMonth|hexBinary|ID|IDREFS?|int|integer|language|long|Name|NCName|negativeInteger|NMTOKENS?|nonNegativeInteger|nonPositiveInteger|normalizedString|NOTATION|positiveInteger|QName|short|string|time|token|unsigned(?:Byte|Int|Long|Short)|untyped(?:Atomic)?|yearMonthDuration))\b(?=$|[^:-])/,
lookbehind: true
},
'number': /\b\d+(?:\.\d+)?(?:E[+-]?\d+)?/,
'operator': [
/[+*=?|@]|\.\.?|:=|!=|<[=<]?|>[=>]?/,
{
pattern: /(\s)-(?=\s)/,
lookbehind: true
}
],
'punctuation': /[[\](){},;:/]/
});
Prism.languages.xquery.tag.pattern = /<\/?(?!\d)[^\s>\/=$<%]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|{(?!{)(?:{(?:{[^}]*}|[^}])*}|[^}])+}|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i;
Prism.languages.xquery['tag'].inside['attr-value'].pattern = /=(?:("|')(?:\\[\s\S]|{(?!{)(?:{(?:{[^}]*}|[^}])*}|[^}])+}|(?!\1)[^\\])*\1|[^\s'">=]+)/i;
Prism.languages.xquery['tag'].inside['attr-value'].inside['punctuation'] = /^="|"$/;
Prism.languages.xquery['tag'].inside['attr-value'].inside['expression'] = {
// Allow for two levels of nesting
pattern: /{(?!{)(?:{(?:{[^}]*}|[^}])*}|[^}])+}/,
inside: {
rest: Prism.languages.xquery
},
'alias': 'language-xquery'
};
// The following will handle plain text inside tags
var stringifyToken = function (token) {
if (typeof token === 'string') {
return token;
}
if (typeof token.content === 'string') {
return token.content;
}
return token.content.map(stringifyToken).join('');
};
var walkTokens = function (tokens) {
var openedTags = [];
for (var i = 0; i < tokens.length; i++) {
var token = tokens[i];
var notTagNorBrace = false;
if (typeof token !== 'string') {
if (token.type === 'tag' && token.content[0] && token.content[0].type === 'tag') {
// We found a tag, now find its kind
if (token.content[0].content[0].content === '</') {
// Closing tag
if (openedTags.length > 0 && openedTags[openedTags.length - 1].tagName === stringifyToken(token.content[0].content[1])) {
// Pop matching opening tag
openedTags.pop();
}
} else {
if (token.content[token.content.length - 1].content === '/>') {
// Autoclosed tag, ignore
} else {
// Opening tag
openedTags.push({
tagName: stringifyToken(token.content[0].content[1]),
openedBraces: 0
});
}
}
} else if (
openedTags.length > 0 && token.type === 'punctuation' && token.content === '{' &&
// Ignore `{{`
(!tokens[i + 1] || tokens[i + 1].type !== 'punctuation' || tokens[i + 1].content !== '{') &&
(!tokens[i - 1] || tokens[i - 1].type !== 'plain-text' || tokens[i - 1].content !== '{')
) {
// Here we might have entered an XQuery expression inside a tag
openedTags[openedTags.length - 1].openedBraces++;
} else if (openedTags.length > 0 && openedTags[openedTags.length - 1].openedBraces > 0 && token.type === 'punctuation' && token.content === '}') {
// Here we might have left an XQuery expression inside a tag
openedTags[openedTags.length - 1].openedBraces--;
} else if (token.type !== 'comment') {
notTagNorBrace = true
}
}
if (notTagNorBrace || typeof token === 'string') {
if (openedTags.length > 0 && openedTags[openedTags.length - 1].openedBraces === 0) {
// Here we are inside a tag, and not inside an XQuery expression.
// That's plain text: drop any tokens matched.
var plainText = stringifyToken(token);
// And merge text with adjacent text
if (i < tokens.length - 1 && (typeof tokens[i + 1] === 'string' || tokens[i + 1].type === 'plain-text')) {
plainText += stringifyToken(tokens[i + 1]);
tokens.splice(i + 1, 1);
}
if (i > 0 && (typeof tokens[i - 1] === 'string' || tokens[i - 1].type === 'plain-text')) {
plainText = stringifyToken(tokens[i - 1]) + plainText;
tokens.splice(i - 1, 1);
i--;
}
if (/^\s+$/.test(plainText)) {
tokens[i] = plainText;
} else {
tokens[i] = new Prism.Token('plain-text', plainText, null, plainText);
}
}
}
if (token.content && typeof token.content !== 'string') {
walkTokens(token.content);
}
}
};
Prism.hooks.add('after-tokenize', function (env) {
if (env.language !== 'xquery') {
return;
}
walkTokens(env.tokens);
});
}(Prism));
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