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83 lines
3.1 KiB
83 lines
3.1 KiB
(function (Prism) { |
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// https://yaml.org/spec/1.2/spec.html#c-ns-anchor-property |
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// https://yaml.org/spec/1.2/spec.html#c-ns-alias-node |
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var anchorOrAlias = /[*&][^\s[\]{},]+/; |
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// https://yaml.org/spec/1.2/spec.html#c-ns-tag-property |
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var tag = /!(?:<[\w\-%#;/?:@&=+$,.!~*'()[\]]+>|(?:[a-zA-Z\d-]*!)?[\w\-%#;/?:@&=+$.~*'()]+)?/; |
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// https://yaml.org/spec/1.2/spec.html#c-ns-properties(n,c) |
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var properties = '(?:' + tag.source + '(?:[ \t]+' + anchorOrAlias.source + ')?|' |
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+ anchorOrAlias.source + '(?:[ \t]+' + tag.source + ')?)'; |
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// https://yaml.org/spec/1.2/spec.html#ns-plain(n,c) |
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// This is a simplified version that doesn't support "#" and multiline keys |
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// All these long scarry character classes are simplified versions of YAML's characters |
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var plainKey = /(?:[^\s\x00-\x08\x0e-\x1f!"#%&'*,\-:>?@[\]`{|}\x7f-\x84\x86-\x9f\ud800-\udfff\ufffe\uffff]|[?:-]<PLAIN>)(?:[ \t]*(?:(?![#:])<PLAIN>|:<PLAIN>))*/.source |
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.replace(/<PLAIN>/g, function () { return /[^\s\x00-\x08\x0e-\x1f,[\]{}\x7f-\x84\x86-\x9f\ud800-\udfff\ufffe\uffff]/.source; }); |
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var string = /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/.source; |
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/** |
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* |
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* @param {string} value |
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* @param {string} [flags] |
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* @returns {RegExp} |
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*/ |
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function createValuePattern(value, flags) { |
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flags = (flags || '').replace(/m/g, '') + 'm'; // add m flag |
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var pattern = /([:\-,[{]\s*(?:\s<<prop>>[ \t]+)?)(?:<<value>>)(?=[ \t]*(?:$|,|\]|\}|(?:[\r\n]\s*)?#))/.source |
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.replace(/<<prop>>/g, function () { return properties; }).replace(/<<value>>/g, function () { return value; }); |
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return RegExp(pattern, flags); |
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} |
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Prism.languages.yaml = { |
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'scalar': { |
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pattern: RegExp(/([\-:]\s*(?:\s<<prop>>[ \t]+)?[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)\S[^\r\n]*(?:\2[^\r\n]+)*)/.source |
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.replace(/<<prop>>/g, function () { return properties; })), |
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lookbehind: true, |
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alias: 'string' |
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}, |
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'comment': /#.*/, |
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'key': { |
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pattern: RegExp(/((?:^|[:\-,[{\r\n?])[ \t]*(?:<<prop>>[ \t]+)?)<<key>>(?=\s*:\s)/.source |
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.replace(/<<prop>>/g, function () { return properties; }) |
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.replace(/<<key>>/g, function () { return '(?:' + plainKey + '|' + string + ')'; })), |
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lookbehind: true, |
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greedy: true, |
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alias: 'atrule' |
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}, |
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'directive': { |
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pattern: /(^[ \t]*)%.+/m, |
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lookbehind: true, |
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alias: 'important' |
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}, |
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'datetime': { |
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pattern: createValuePattern(/\d{4}-\d\d?-\d\d?(?:[tT]|[ \t]+)\d\d?:\d{2}:\d{2}(?:\.\d*)?(?:[ \t]*(?:Z|[-+]\d\d?(?::\d{2})?))?|\d{4}-\d{2}-\d{2}|\d\d?:\d{2}(?::\d{2}(?:\.\d*)?)?/.source), |
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lookbehind: true, |
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alias: 'number' |
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}, |
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'boolean': { |
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pattern: createValuePattern(/false|true/.source, 'i'), |
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lookbehind: true, |
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alias: 'important' |
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}, |
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'null': { |
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pattern: createValuePattern(/null|~/.source, 'i'), |
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lookbehind: true, |
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alias: 'important' |
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}, |
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'string': { |
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pattern: createValuePattern(string), |
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lookbehind: true, |
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greedy: true |
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}, |
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'number': { |
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pattern: createValuePattern(/[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?|\.inf|\.nan)/.source, 'i'), |
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lookbehind: true |
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}, |
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'tag': tag, |
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'important': anchorOrAlias, |
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'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./ |
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}; |
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Prism.languages.yml = Prism.languages.yaml; |
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}(Prism));
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