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