YAML: Improvements (#2226)
The patterns for tags, anchors, and aliases and their usage in other patterns are improved to match the YAML spec as close as possible.
This commit is contained in:
Michael Schmidt
GitHub
parent
c5de5aa86b
commit
5362ba16e9
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@ -1,47 +1,76 @@
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Prism.languages.yaml = {
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'scalar': {
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pattern: /([\-:]\s*(?:\s[!&*][^\s]+)*[ \t]*[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)[^\r\n]+(?:\2[^\r\n]+)*)/,
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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: /(\s*(?:^|[:\-,[{\r\n?])[ \t]*(?:![^\s]+)?[ \t]*)[^\r\n{[\]},#\s]+?(?=\s*:\s)/,
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lookbehind: 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: /([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)(?:\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*)?)?)(?=[ \t]*(?:$|,|]|}))/m,
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lookbehind: true,
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alias: 'number'
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},
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'boolean': {
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pattern: /([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)(?:true|false)[ \t]*(?=$|,|]|})/im,
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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: /([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)(?:null|~)[ \t]*(?=$|,|]|})/im,
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lookbehind: true,
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alias: 'important'
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},
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'string': {
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pattern: /([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)("|')(?:(?!\2)[^\\\r\n]|\\.)*\2(?=[ \t]*(?:$|,|]|}|\s*#))/m,
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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: /([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+\.?\d*|\.?\d+)(?:e[+-]?\d+)?|\.inf|\.nan)[ \t]*(?=$|,|]|})/im,
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lookbehind: true
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},
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'tag': /![^\s]+/,
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'important': /[&*][^\s\[\]{},]+/,
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'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./
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};
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(function (Prism) {
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Prism.languages.yml = Prism.languages.yaml;
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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\-%#;/?:@&=+$.~*'()]+)?/;
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// https://yaml.org/spec/1.2/spec.html#c-ns-properties(n,c)
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var properties = '(?:' + tag.source + '(?:[ \t]+' + anchorOrAlias.source + ')?|'
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+ anchorOrAlias.source + '(?:[ \t]+' + tag.source + ')?)';
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/**
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*
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* @param {string} value
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* @param {string} [flags]
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* @returns {RegExp}
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*/
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function createValuePattern(value, flags) {
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flags = (flags || '').replace(/m/g, '') + 'm'; // add m flag
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var pattern = /([:\-,[{]\s*(?:\s<<prop>>[ \t]+)?)(?:<<value>>)(?=[ \t]*(?:$|,|]|}|\s*#))/.source
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.replace(/<<prop>>/g, properties).replace(/<<value>>/g, 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]+)[^\r\n]+(?:\2[^\r\n]+)*)/.source
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.replace(/<<prop>>/g, 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]+)?)[^\r\n{[\]},#\s]+?(?=\s*:\s)/.source
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.replace(/<<prop>>/g, properties)),
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lookbehind: 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(/true|false/.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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// \2 because of the lookbehind group
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pattern: createValuePattern(/("|')(?:(?!\2)[^\\\r\n]|\\.)*\2/.source),
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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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@ -1 +1 @@
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Prism.languages.yaml={scalar:{pattern:/([\-:]\s*(?:\s[!&*][^\s]+)*[ \t]*[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)[^\r\n]+(?:\2[^\r\n]+)*)/,lookbehind:!0,alias:"string"},comment:/#.*/,key:{pattern:/(\s*(?:^|[:\-,[{\r\n?])[ \t]*(?:![^\s]+)?[ \t]*)[^\r\n{[\]},#\s]+?(?=\s*:\s)/,lookbehind:!0,alias:"atrule"},directive:{pattern:/(^[ \t]*)%.+/m,lookbehind:!0,alias:"important"},datetime:{pattern:/([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)(?:\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*)?)?)(?=[ \t]*(?:$|,|]|}))/m,lookbehind:!0,alias:"number"},boolean:{pattern:/([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)(?:true|false)[ \t]*(?=$|,|]|})/im,lookbehind:!0,alias:"important"},null:{pattern:/([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)(?:null|~)[ \t]*(?=$|,|]|})/im,lookbehind:!0,alias:"important"},string:{pattern:/([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)("|')(?:(?!\2)[^\\\r\n]|\\.)*\2(?=[ \t]*(?:$|,|]|}|\s*#))/m,lookbehind:!0,greedy:!0},number:{pattern:/([:\-,[{]\s*(?:\s[!&*][^\s]+)*[ \t]*)[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+\.?\d*|\.?\d+)(?:e[+-]?\d+)?|\.inf|\.nan)[ \t]*(?=$|,|]|})/im,lookbehind:!0},tag:/![^\s]+/,important:/[&*][^\s\[\]{},]+/,punctuation:/---|[:[\]{}\-,|>?]|\.\.\./},Prism.languages.yml=Prism.languages.yaml;
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!function(e){var a=/[*&][^\s[\]{},]+/,t=/!(?:<[\w\-%#;/?:@&=+$,.!~*'()[\]]+>|(?:[a-zA-Z\d-]*!)?[\w\-%#;/?:@&=+$.~*'()]+)?/,r="(?:"+t.source+"(?:[ \t]+"+a.source+")?|"+a.source+"(?:[ \t]+"+t.source+")?)";function n(e,a){a=(a||"").replace(/m/g,"")+"m";var t="([:\\-,[{]\\s*(?:\\s<<prop>>[ \t]+)?)(?:<<value>>)(?=[ \t]*(?:$|,|]|}|\\s*#))".replace(/<<prop>>/g,r).replace(/<<value>>/g,e);return RegExp(t,a)}e.languages.yaml={scalar:{pattern:RegExp("([\\-:]\\s*(?:\\s<<prop>>[ \t]+)?[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)[^\r\\n]+(?:\\2[^\r\\n]+)*)".replace(/<<prop>>/g,r)),lookbehind:!0,alias:"string"},comment:/#.*/,key:{pattern:RegExp("((?:^|[:\\-,[{\r\\n?])[ \t]*(?:<<prop>>[ \t]+)?)[^\r\\n{[\\]},#\\s]+?(?=\\s*:\\s)".replace(/<<prop>>/g,r)),lookbehind:!0,alias:"atrule"},directive:{pattern:/(^[ \t]*)%.+/m,lookbehind:!0,alias:"important"},datetime:{pattern:n("\\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*)?)?"),lookbehind:!0,alias:"number"},boolean:{pattern:n("true|false","i"),lookbehind:!0,alias:"important"},null:{pattern:n("null|~","i"),lookbehind:!0,alias:"important"},string:{pattern:n("(\"|')(?:(?!\\2)[^\\\\\\r\n]|\\\\.)*\\2"),lookbehind:!0,greedy:!0},number:{pattern:n("[+-]?(?:0x[\\da-f]+|0o[0-7]+|(?:\\d+\\.?\\d*|\\.?\\d+)(?:e[+-]?\\d+)?|\\.inf|\\.nan)","i"),lookbehind:!0},tag:t,important:a,punctuation:/---|[:[\]{}\-,|>?]|\.\.\./},e.languages.yml=e.languages.yaml}(Prism);
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@ -4,8 +4,8 @@ x-null: &nu-ll null
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x-boolean: &boo-lean true
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x-datetime: &date-time 2001-12-15T02:59:43.1Z
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x-scalar: &sca-lar |
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foo
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bar
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foo
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bar
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x-utf8: &アンカー "japanese anchor"
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@ -15,8 +15,8 @@ x-tag-null: &tag-null !!tag-null null
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x-tag-boolean: &tag-bool !!tag-bool true
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x-tag-datetime: &tag-date !!tag-date 2001-12-15T02:59:43.1Z
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x-tag-scalar: &tag-scalar !!tag-scalar |
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foo
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bar
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foo
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bar
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x-tag-string: !!tag-string &tag-string "13"
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x-tag-number: !!tag-number &tag-number 42
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@ -24,8 +24,8 @@ x-tag-null: !!tag-null &tag-null null
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x-tag-boolean: !!tag-bool &tag-bool true
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x-tag-datetime: !!tag-date &tag-date 2001-12-15T02:59:43.1Z
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x-tag-scalar: !!tag-scalar &tag-scalar |
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foo
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bar
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foo
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bar
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foobar: *num-ber
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fubar: *stri_ng
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@ -33,140 +33,161 @@ japanese: *アンカー
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taga: *tag-a !!taga
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tagb: !!tagb *tag-b
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# https://yaml.org/spec/1.2/spec.html#id2783797
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!!str &a1 "foo":
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!!str bar
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&a2 baz : *a1
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----------------------------------------------------
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[
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["key", "x-number"],
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["punctuation", ":"],
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["important", "&num-ber"],
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["number", "13"],
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["number", "13"],
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["key", "x-string"],
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["punctuation", ":"],
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["important", "&stri_ng"],
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["string", "\"good\""],
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["string", "\"good\""],
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["key", "x-null"],
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["key", "x-null"],
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["punctuation", ":"],
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["important", "&nu-ll"],
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["null", "null"],
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["null", "null"],
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["key", "x-boolean"],
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["key", "x-boolean"],
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["punctuation", ":"],
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["important", "&boo-lean"],
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["boolean", "true"],
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["boolean", "true"],
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["key", "x-datetime"],
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["key", "x-datetime"],
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["punctuation", ":"],
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["important", "&date-time"],
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["datetime", "2001-12-15T02:59:43.1Z"],
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["datetime", "2001-12-15T02:59:43.1Z"],
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["key", "x-scalar"],
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["key", "x-scalar"],
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["punctuation", ":"],
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["important", "&sca-lar"],
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["punctuation", "|"],
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["scalar", "\n foo\n bar"],
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["punctuation", "|"],
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["scalar", "\n\tfoo\n\tbar"],
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["key", "x-utf8"],
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["key", "x-utf8"],
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["punctuation", ":"],
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["important", "&アンカー"],
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["string", "\"japanese anchor\""],
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["string", "\"japanese anchor\""],
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["key", "x-tag-string"],
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["punctuation", ":"],
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["important", "&tag-string"],
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["tag", "!!tag-string"],
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["string", "\"13\""],
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["key", "x-tag-string"],
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["punctuation", ":"],
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["important", "&tag-string"],
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["tag", "!!tag-string"],
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["string", "\"13\""],
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["key", "x-tag-number"],
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["punctuation", ":"],
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["important", "&tag-number"],
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["tag", "!!tag-number"],
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["number", "42"],
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["key", "x-tag-number"],
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["punctuation", ":"],
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["important", "&tag-number"],
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["tag", "!!tag-number"],
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["number", "42"],
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["key", "x-tag-null"],
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["key", "x-tag-null"],
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["punctuation", ":"],
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["important", "&tag-null"],
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["tag", "!!tag-null"],
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["null", "null"],
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["tag", "!!tag-null"],
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["null", "null"],
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["key", "x-tag-boolean"],
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["key", "x-tag-boolean"],
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["punctuation", ":"],
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["important", "&tag-bool"],
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["tag", "!!tag-bool"],
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["boolean", "true"],
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["tag", "!!tag-bool"],
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["boolean", "true"],
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["key", "x-tag-datetime"],
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["key", "x-tag-datetime"],
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["punctuation", ":"],
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["important", "&tag-date"],
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["tag", "!!tag-date"],
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["datetime", "2001-12-15T02:59:43.1Z"],
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["tag", "!!tag-date"],
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["datetime", "2001-12-15T02:59:43.1Z"],
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["key", "x-tag-scalar"],
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["key", "x-tag-scalar"],
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["punctuation", ":"],
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["important", "&tag-scalar"],
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["tag", "!!tag-scalar"],
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["punctuation", "|"],
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["scalar", "\n foo\n bar"],
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["tag", "!!tag-scalar"],
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["punctuation", "|"],
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["scalar", "\n\tfoo\n\tbar"],
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["key", "x-tag-string"],
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["punctuation", ":"],
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["tag", "!!tag-string"],
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["important", "&tag-string"],
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["string", "\"13\""],
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["key", "x-tag-number"],
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["punctuation", ":"],
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["tag", "!!tag-number"],
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["important", "&tag-number"],
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["number", "42"],
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["key", "x-tag-null"],
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["key", "x-tag-string"],
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["punctuation", ":"],
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["tag", "!!tag-null"],
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["tag", "!!tag-string"],
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["important", "&tag-string"],
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["string", "\"13\""],
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["key", "x-tag-number"],
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["punctuation", ":"],
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["tag", "!!tag-number"],
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["important", "&tag-number"],
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["number", "42"],
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["key", "x-tag-null"],
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["punctuation", ":"],
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["tag", "!!tag-null"],
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["important", "&tag-null"],
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["null", "null"],
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["null", "null"],
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["key", "x-tag-boolean"],
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["key", "x-tag-boolean"],
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["punctuation", ":"],
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["tag", "!!tag-bool"],
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["tag", "!!tag-bool"],
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["important", "&tag-bool"],
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["boolean", "true"],
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["boolean", "true"],
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["key", "x-tag-datetime"],
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["key", "x-tag-datetime"],
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["punctuation", ":"],
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["tag", "!!tag-date"],
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["tag", "!!tag-date"],
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["important", "&tag-date"],
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["datetime", "2001-12-15T02:59:43.1Z"],
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["datetime", "2001-12-15T02:59:43.1Z"],
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["key", "x-tag-scalar"],
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["key", "x-tag-scalar"],
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["punctuation", ":"],
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["tag", "!!tag-scalar"],
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["tag", "!!tag-scalar"],
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["important", "&tag-scalar"],
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["punctuation", "|"],
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["scalar", "\n foo\n bar"],
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["punctuation", "|"],
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["scalar", "\n\tfoo\n\tbar"],
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["key", "foobar"],
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["punctuation", ":"],
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["important", "*num-ber"],
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["key", "foobar"],
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["punctuation", ":"],
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["important", "*num-ber"],
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["key", "fubar"],
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["punctuation", ":"],
|
||||
["important", "*stri_ng"],
|
||||
["key", "fubar"],
|
||||
["punctuation", ":"],
|
||||
["important", "*stri_ng"],
|
||||
|
||||
["key", "japanese"],
|
||||
["punctuation", ":"],
|
||||
["important", "*アンカー"],
|
||||
["key", "japanese"],
|
||||
["punctuation", ":"],
|
||||
["important", "*アンカー"],
|
||||
|
||||
["key", "taga"],
|
||||
["punctuation", ":"],
|
||||
["important", "*tag-a"],
|
||||
["tag", "!!taga"],
|
||||
["key", "taga"],
|
||||
["punctuation", ":"],
|
||||
["important", "*tag-a"],
|
||||
["tag", "!!taga"],
|
||||
|
||||
["key", "tagb"],
|
||||
["punctuation", ":"],
|
||||
["tag", "!!tagb"],
|
||||
["important", "*tag-b"]
|
||||
["key", "tagb"],
|
||||
["punctuation", ":"],
|
||||
["tag", "!!tagb"],
|
||||
["important", "*tag-b"],
|
||||
|
||||
["comment", "# https://yaml.org/spec/1.2/spec.html#id2783797"],
|
||||
|
||||
["tag", "!!str"],
|
||||
["important", "&a1"],
|
||||
["key", "\"foo\""],
|
||||
["punctuation", ":"],
|
||||
|
||||
["tag", "!!str"],
|
||||
" bar\n",
|
||||
|
||||
["important", "&a2"],
|
||||
["key", "baz"],
|
||||
["punctuation", ":"],
|
||||
["important", "*a1"]
|
||||
]
|
||||
|
||||
----------------------------------------------------
|
||||
|
|
|
|||
|
|
@ -2,14 +2,91 @@
|
|||
!!str
|
||||
!!seq
|
||||
|
||||
# https://yaml.org/spec/1.2/spec.html#c-ns-tag-property
|
||||
|
||||
!<tag:yaml.org,2002:str> foo : !<!bar> baz
|
||||
|
||||
- !local foo
|
||||
- !!str bar
|
||||
- !e!tag%21 baz
|
||||
|
||||
!!seq [
|
||||
!<!local> "foo",
|
||||
!<tag:yaml.org,2002:str> "bar",
|
||||
!<tag:example.com,2000:app/tag!> "baz"
|
||||
]
|
||||
|
||||
# Assuming conventional resolution:
|
||||
- "12"
|
||||
- 12
|
||||
- ! 12
|
||||
|
||||
!!seq [
|
||||
!<tag:yaml.org,2002:str> "12",
|
||||
!<tag:yaml.org,2002:int> "12",
|
||||
!<tag:yaml.org,2002:str> "12",
|
||||
]
|
||||
|
||||
----------------------------------------------------
|
||||
|
||||
[
|
||||
["tag", "!!map"],
|
||||
["tag", "!!str"],
|
||||
["tag", "!!seq"]
|
||||
["tag", "!!seq"],
|
||||
|
||||
["comment", "# https://yaml.org/spec/1.2/spec.html#c-ns-tag-property"],
|
||||
|
||||
["tag", "!<tag:yaml.org,2002:str>"],
|
||||
["key", "foo"],
|
||||
["punctuation", ":"],
|
||||
["tag", "!<!bar>"],
|
||||
" baz\r\n\r\n",
|
||||
|
||||
["punctuation", "-"],
|
||||
["tag", "!local"],
|
||||
" foo\r\n",
|
||||
["punctuation", "-"],
|
||||
["tag", "!!str"],
|
||||
" bar\r\n",
|
||||
["punctuation", "-"],
|
||||
["tag", "!e!tag%21"],
|
||||
" baz\r\n\r\n",
|
||||
|
||||
["tag", "!!seq"],
|
||||
["punctuation", "["],
|
||||
["tag", "!<!local>"],
|
||||
["string", "\"foo\""],
|
||||
["punctuation", ","],
|
||||
["tag", "!<tag:yaml.org,2002:str>"],
|
||||
["string", "\"bar\""],
|
||||
["punctuation", ","],
|
||||
["tag", "!<tag:example.com,2000:app/tag!>"],
|
||||
["string", "\"baz\""],
|
||||
["punctuation", "]"],
|
||||
|
||||
["comment", "# Assuming conventional resolution:"],
|
||||
["punctuation", "-"],
|
||||
["string", "\"12\""],
|
||||
["punctuation", "-"],
|
||||
["number", "12"],
|
||||
["punctuation", "-"],
|
||||
["tag", "!"],
|
||||
["number", "12"],
|
||||
|
||||
["tag", "!!seq"],
|
||||
["punctuation", "["],
|
||||
["tag", "!<tag:yaml.org,2002:str>"],
|
||||
["string", "\"12\""],
|
||||
["punctuation", ","],
|
||||
["tag", "!<tag:yaml.org,2002:int>"],
|
||||
["string", "\"12\""],
|
||||
["punctuation", ","],
|
||||
["tag", "!<tag:yaml.org,2002:str>"],
|
||||
["string", "\"12\""],
|
||||
["punctuation", ","],
|
||||
["punctuation", "]"]
|
||||
]
|
||||
|
||||
----------------------------------------------------
|
||||
|
||||
Checks for tags
|
||||
Checks for tags
|
||||
|
|
|
|||
Loading…
Reference in New Issue