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Added support for ICU message format (#2745)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| // https://unicode-org.github.io/icu/userguide/format_parse/messages/ | ||
| // https://unicode-org.github.io/icu-docs/apidoc/released/icu4j/com/ibm/icu/text/MessageFormat.html | ||
|
|
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| (function (Prism) { | ||
|
|
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| /** | ||
| * @param {string} source | ||
| * @param {number} level | ||
| * @returns {string} | ||
| */ | ||
| function nested(source, level) { | ||
| if (level <= 0) { | ||
| return /[]/.source; | ||
| } else { | ||
| return source.replace(/<SELF>/g, function () { return nested(source, level - 1) }); | ||
| } | ||
| } | ||
|
|
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| var stringPattern = /'[{}:=,](?:[^']|'')*'(?!')/; | ||
|
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| var escape = { | ||
| pattern: /''/, | ||
| greedy: true, | ||
| alias: 'operator' | ||
| }; | ||
| var string = { | ||
| pattern: stringPattern, | ||
| greedy: true, | ||
| inside: { | ||
| 'escape': escape | ||
| } | ||
| }; | ||
|
|
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| var argumentSource = nested( | ||
| /\{(?:[^{}']|'(?![{},'])|''|<STR>|<SELF>)*\}/.source | ||
| .replace(/<STR>/g, function () { return stringPattern.source; }), | ||
| 8 | ||
| ); | ||
|
|
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| var nestedMessage = { | ||
| pattern: RegExp(argumentSource), | ||
| inside: { | ||
| 'message': { | ||
| pattern: /^(\{)[\s\S]+(?=\}$)/, | ||
| lookbehind: true, | ||
| inside: null // see below | ||
| }, | ||
| 'message-delimiter': { | ||
| pattern: /./, | ||
| alias: 'punctuation' | ||
| } | ||
| } | ||
| }; | ||
|
|
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| Prism.languages['icu-message-format'] = { | ||
| 'argument': { | ||
| pattern: RegExp(argumentSource), | ||
| greedy: true, | ||
| inside: { | ||
| 'content': { | ||
| pattern: /^(\{)[\s\S]+(?=\}$)/, | ||
| lookbehind: true, | ||
| inside: { | ||
| 'argument-name': { | ||
| pattern: /^(\s*)[^{}:=,\s]+/, | ||
| lookbehind: true | ||
| }, | ||
| 'choice-style': { | ||
| // https://unicode-org.github.io/icu-docs/apidoc/released/icu4c/classicu_1_1ChoiceFormat.html#details | ||
| pattern: /^(\s*,\s*choice\s*,\s*)\S(?:[\s\S]*\S)?/, | ||
| lookbehind: true, | ||
| inside: { | ||
| 'punctuation': /\|/, | ||
| 'range': { | ||
| pattern: /^(\s*)[+-]?(?:\d+(?:\.\d*)?|\u221e)\s*[<#\u2264]/, | ||
| lookbehind: true, | ||
| inside: { | ||
| 'operator': /[<#\u2264]/, | ||
| 'number': /\S+/ | ||
| } | ||
| }, | ||
| rest: null // see below | ||
| } | ||
| }, | ||
| 'plural-style': { | ||
| // https://unicode-org.github.io/icu-docs/apidoc/released/icu4j/com/ibm/icu/text/PluralFormat.html#:~:text=Patterns%20and%20Their%20Interpretation | ||
| pattern: /^(\s*,\s*(?:plural|selectordinal)\s*,\s*)\S(?:[\s\S]*\S)?/, | ||
| lookbehind: true, | ||
| inside: { | ||
| 'offset': /^offset:\s*\d+/, | ||
| 'nested-message': nestedMessage, | ||
| 'selector': { | ||
| pattern: /=\d+|[^{}:=,\s]+/, | ||
| inside: { | ||
| 'keyword': /^(?:zero|one|two|few|many|other)$/ | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| 'select-style': { | ||
| // https://unicode-org.github.io/icu-docs/apidoc/released/icu4j/com/ibm/icu/text/SelectFormat.html#:~:text=Patterns%20and%20Their%20Interpretation | ||
| pattern: /^(\s*,\s*select\s*,\s*)\S(?:[\s\S]*\S)?/, | ||
| lookbehind: true, | ||
| inside: { | ||
| 'nested-message': nestedMessage, | ||
| 'selector': { | ||
| pattern: /[^{}:=,\s]+/, | ||
| inside: { | ||
| 'keyword': /^other$/ | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| 'keyword': /\b(?:choice|plural|select|selectordinal)\b/, | ||
| 'arg-type': { | ||
| pattern: /\b(?:number|date|time|spellout|ordinal|duration)\b/, | ||
| alias: 'keyword' | ||
| }, | ||
| 'arg-skeleton': { | ||
| pattern: /(,\s*)::[^{}:=,\s]+/, | ||
| lookbehind: true | ||
| }, | ||
| 'arg-style': { | ||
| pattern: /(,\s*)(?:short|medium|long|full|integer|currency|percent)(?=\s*$)/, | ||
| lookbehind: true | ||
| }, | ||
| 'arg-style-text': { | ||
| pattern: RegExp(/(^\s*,\s*(?=\S))/.source + nested(/(?:[^{}']|'[^']*'|\{(?:<SELF>)?\})+/.source, 8) + '$'), | ||
| lookbehind: true, | ||
| alias: 'string' | ||
| }, | ||
| 'punctuation': /,/ | ||
| } | ||
| }, | ||
| 'argument-delimiter': { | ||
| pattern: /./, | ||
| alias: 'operator' | ||
| } | ||
| } | ||
| }, | ||
| 'escape': escape, | ||
| 'string': string | ||
| }; | ||
|
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| nestedMessage.inside.message.inside = Prism.languages['icu-message-format']; | ||
| Prism.languages['icu-message-format'].argument.inside.content.inside['choice-style'].inside.rest = Prism.languages['icu-message-format']; | ||
|
|
||
| }(Prism)); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| <h2>Full example</h2> | ||
| <pre><code>https://unicode-org.github.io/icu/userguide/format_parse/messages/ | ||
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| {gender_of_host, select, | ||
| female { | ||
| {num_guests, plural, offset:1 | ||
| =0 {{host} does not give a party.} | ||
| =1 {{host} invites {guest} to her party.} | ||
| =2 {{host} invites {guest} and one other person to her party.} | ||
| other {{host} invites {guest} and # other people to her party.}}} | ||
| male { | ||
| {num_guests, plural, offset:1 | ||
| =0 {{host} does not give a party.} | ||
| =1 {{host} invites {guest} to his party.} | ||
| =2 {{host} invites {guest} and one other person to his party.} | ||
| other {{host} invites {guest} and # other people to his party.}}} | ||
| other { | ||
| {num_guests, plural, offset:1 | ||
| =0 {{host} does not give a party.} | ||
| =1 {{host} invites {guest} to their party.} | ||
| =2 {{host} invites {guest} and one other person to their party.} | ||
| other {{host} invites {guest} and # other people to their party.}}}}</code></pre> |
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51 changes: 51 additions & 0 deletions
51
tests/languages/icu-message-format/arg-skeleton_feature.test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| At {1,time,::jmm} on {1,date,::dMMMM}, there was {2} on planet {3,number,integer}. | ||
|
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| ---------------------------------------------------- | ||
|
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| [ | ||
| "At ", | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "1"], | ||
| ["punctuation", ","], | ||
| ["arg-type", "time"], | ||
| ["punctuation", ","], | ||
| ["arg-skeleton", "::jmm"] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
| " on ", | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "1"], | ||
| ["punctuation", ","], | ||
| ["arg-type", "date"], | ||
| ["punctuation", ","], | ||
| ["arg-skeleton", "::dMMMM"] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
| ", there was ", | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "2"] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
| " on planet ", | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "3"], | ||
| ["punctuation", ","], | ||
| ["arg-type", "number"], | ||
| ["punctuation", ","], | ||
| ["arg-style", "integer"] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
| "." | ||
| ] |
105 changes: 105 additions & 0 deletions
105
tests/languages/icu-message-format/choice-style_feature.test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| The disk {1} contains {0,choice,0#no files|1#one file|1<{0,number,integer} files} | ||
|
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| {3, choice, -1#is negative| 0#is zero or fraction | 1#is one |1.0<is 1+ |2#is two |2<is more than 2.} | ||
|
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| ---------------------------------------------------- | ||
|
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| [ | ||
| "The disk ", | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "1"] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
| " contains ", | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "0"], | ||
| ["punctuation", ","], | ||
| ["keyword", "choice"], | ||
| ["punctuation", ","], | ||
| ["choice-style", [ | ||
| ["range", [ | ||
| ["number", "0"], | ||
| ["operator", "#"] | ||
| ]], | ||
| "no files", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "1"], | ||
| ["operator", "#"] | ||
| ]], | ||
| "one file", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "1"], | ||
| ["operator", "<"] | ||
| ]], | ||
| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "0"], | ||
| ["punctuation", ","], | ||
| ["arg-type", "number"], | ||
| ["punctuation", ","], | ||
| ["arg-style", "integer"] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
| " files" | ||
| ]] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]], | ||
|
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| ["argument", [ | ||
| ["argument-delimiter", "{"], | ||
| ["content", [ | ||
| ["argument-name", "3"], | ||
| ["punctuation", ","], | ||
| ["keyword", "choice"], | ||
| ["punctuation", ","], | ||
| ["choice-style", [ | ||
| ["range", [ | ||
| ["number", "-1"], | ||
| ["operator", "#"] | ||
| ]], | ||
| "is negative", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "0"], | ||
| ["operator", "#"] | ||
| ]], | ||
| "is zero or fraction ", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "1"], | ||
| ["operator", "#"] | ||
| ]], | ||
| "is one ", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "1.0"], | ||
| ["operator", "<"] | ||
| ]], | ||
| "is 1+ ", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "2"], | ||
| ["operator", "#"] | ||
| ]], | ||
| "is two ", | ||
| ["punctuation", "|"], | ||
| ["range", [ | ||
| ["number", "2"], | ||
| ["operator", "<"] | ||
| ]], | ||
| "is more than 2." | ||
| ]] | ||
| ]], | ||
| ["argument-delimiter", "}"] | ||
| ]] | ||
| ] |
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