1 | (function (Prism) {
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2 |
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3 |
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4 |
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5 | var anchorOrAlias = /[*&][^\s[\]{},]+/;
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6 |
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7 | var tag = /!(?:<[\w\-%#;/?:@&=+$,.!~*'()[\]]+>|(?:[a-zA-Z\d-]*!)?[\w\-%#;/?:@&=+$.~*'()]+)?/;
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8 |
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9 | var properties = '(?:' + tag.source + '(?:[ \t]+' + anchorOrAlias.source + ')?|'
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10 | + anchorOrAlias.source + '(?:[ \t]+' + tag.source + ')?)';
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11 |
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12 | |
13 |
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14 |
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15 |
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16 |
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17 |
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18 | function createValuePattern(value, flags) {
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19 | flags = (flags || '').replace(/m/g, '') + 'm';
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20 | var pattern = /([:\-,[{]\s*(?:\s<<prop>>[ \t]+)?)(?:<<value>>)(?=[ \t]*(?:$|,|]|}|\s*#))/.source
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21 | .replace(/<<prop>>/g, function () { return properties; }).replace(/<<value>>/g, function () { return value; });
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22 | return RegExp(pattern, flags)
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23 | }
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24 |
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25 | Prism.languages.yaml = {
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26 | 'scalar': {
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27 | pattern: RegExp(/([\-:]\s*(?:\s<<prop>>[ \t]+)?[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)[^\r\n]+(?:\2[^\r\n]+)*)/.source
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28 | .replace(/<<prop>>/g, function () { return properties; })),
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29 | lookbehind: true,
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30 | alias: 'string'
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31 | },
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32 | 'comment': /#.*/,
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33 | 'key': {
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34 | pattern: RegExp(/((?:^|[:\-,[{\r\n?])[ \t]*(?:<<prop>>[ \t]+)?)[^\r\n{[\]},#\s]+?(?=\s*:\s)/.source
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35 | .replace(/<<prop>>/g, function () { return properties; })),
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36 | lookbehind: true,
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37 | alias: 'atrule'
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38 | },
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39 | 'directive': {
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40 | pattern: /(^[ \t]*)%.+/m,
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41 | lookbehind: true,
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42 | alias: 'important'
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43 | },
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44 | 'datetime': {
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45 | 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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46 | lookbehind: true,
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47 | alias: 'number'
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48 | },
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49 | 'boolean': {
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50 | pattern: createValuePattern(/true|false/.source, 'i'),
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51 | lookbehind: true,
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52 | alias: 'important'
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53 | },
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54 | 'null': {
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55 | pattern: createValuePattern(/null|~/.source, 'i'),
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56 | lookbehind: true,
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57 | alias: 'important'
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58 | },
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59 | 'string': {
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60 |
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61 | pattern: createValuePattern(/("|')(?:(?!\2)[^\\\r\n]|\\.)*\2/.source),
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62 | lookbehind: true,
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63 | greedy: true
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64 | },
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65 | 'number': {
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66 | pattern: createValuePattern(/[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+\.?\d*|\.?\d+)(?:e[+-]?\d+)?|\.inf|\.nan)/.source, 'i'),
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67 | lookbehind: true
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68 | },
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69 | 'tag': tag,
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70 | 'important': anchorOrAlias,
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71 | 'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./
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72 | };
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73 |
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74 | Prism.languages.yml = Prism.languages.yaml;
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75 |
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76 | }(Prism));
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