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| /**
| * @param {string} value
| * @returns {RegExp}
| * */
|
| /**
| * @param {RegExp | string } re
| * @returns {string}
| */
| function source(re) {
| if (!re) return null;
| if (typeof re === "string") return re;
|
| return re.source;
| }
|
| /**
| * @param {...(RegExp | string) } args
| * @returns {string}
| */
| function concat(...args) {
| const joined = args.map((x) => source(x)).join("");
| return joined;
| }
|
| /*
| Language: AsciiDoc
| Requires: xml.js
| Author: Dan Allen <dan.j.allen@gmail.com>
| Website: http://asciidoc.org
| Description: A semantic, text-based document format that can be exported to HTML, DocBook and other backends.
| Category: markup
| */
|
| /** @type LanguageFn */
| function asciidoc(hljs) {
| const HORIZONTAL_RULE = {
| begin: '^\'{3,}[ \\t]*$',
| relevance: 10
| };
| const ESCAPED_FORMATTING = [
| // escaped constrained formatting marks (i.e., \* \_ or \`)
| {
| begin: /\\[*_`]/
| },
| // escaped unconstrained formatting marks (i.e., \\** \\__ or \\``)
| // must ignore until the next formatting marks
| // this rule might not be 100% compliant with Asciidoctor 2.0 but we are entering undefined behavior territory...
| {
| begin: /\\\\\*{2}[^\n]*?\*{2}/
| },
| {
| begin: /\\\\_{2}[^\n]*_{2}/
| },
| {
| begin: /\\\\`{2}[^\n]*`{2}/
| },
| // guard: constrained formatting mark may not be preceded by ":", ";" or
| // "}". match these so the constrained rule doesn't see them
| {
| begin: /[:;}][*_`](?![*_`])/
| }
| ];
| const STRONG = [
| // inline unconstrained strong (single line)
| {
| className: 'strong',
| begin: /\*{2}([^\n]+?)\*{2}/
| },
| // inline unconstrained strong (multi-line)
| {
| className: 'strong',
| begin: concat(
| /\*\*/,
| /((\*(?!\*)|\\[^\n]|[^*\n\\])+\n)+/,
| /(\*(?!\*)|\\[^\n]|[^*\n\\])*/,
| /\*\*/
| ),
| relevance: 0
| },
| // inline constrained strong (single line)
| {
| className: 'strong',
| // must not precede or follow a word character
| begin: /\B\*(\S|\S[^\n]*?\S)\*(?!\w)/
| },
| // inline constrained strong (multi-line)
| {
| className: 'strong',
| // must not precede or follow a word character
| begin: /\*[^\s]([^\n]+\n)+([^\n]+)\*/
| }
| ];
| const EMPHASIS = [
| // inline unconstrained emphasis (single line)
| {
| className: 'emphasis',
| begin: /_{2}([^\n]+?)_{2}/
| },
| // inline unconstrained emphasis (multi-line)
| {
| className: 'emphasis',
| begin: concat(
| /__/,
| /((_(?!_)|\\[^\n]|[^_\n\\])+\n)+/,
| /(_(?!_)|\\[^\n]|[^_\n\\])*/,
| /__/
| ),
| relevance: 0
| },
| // inline constrained emphasis (single line)
| {
| className: 'emphasis',
| // must not precede or follow a word character
| begin: /\b_(\S|\S[^\n]*?\S)_(?!\w)/
| },
| // inline constrained emphasis (multi-line)
| {
| className: 'emphasis',
| // must not precede or follow a word character
| begin: /_[^\s]([^\n]+\n)+([^\n]+)_/
| },
| // inline constrained emphasis using single quote (legacy)
| {
| className: 'emphasis',
| // must not follow a word character or be followed by a single quote or space
| begin: '\\B\'(?![\'\\s])',
| end: '(\\n{2}|\')',
| // allow escaped single quote followed by word char
| contains: [{
| begin: '\\\\\'\\w',
| relevance: 0
| }],
| relevance: 0
| }
| ];
| const ADMONITION = {
| className: 'symbol',
| begin: '^(NOTE|TIP|IMPORTANT|WARNING|CAUTION):\\s+',
| relevance: 10
| };
| const BULLET_LIST = {
| className: 'bullet',
| begin: '^(\\*+|-+|\\.+|[^\\n]+?::)\\s+'
| };
|
| return {
| name: 'AsciiDoc',
| aliases: ['adoc'],
| contains: [
| // block comment
| hljs.COMMENT(
| '^/{4,}\\n',
| '\\n/{4,}$',
| // can also be done as...
| // '^/{4,}$',
| // '^/{4,}$',
| {
| relevance: 10
| }
| ),
| // line comment
| hljs.COMMENT(
| '^//',
| '$',
| {
| relevance: 0
| }
| ),
| // title
| {
| className: 'title',
| begin: '^\\.\\w.*$'
| },
| // example, admonition & sidebar blocks
| {
| begin: '^[=\\*]{4,}\\n',
| end: '\\n^[=\\*]{4,}$',
| relevance: 10
| },
| // headings
| {
| className: 'section',
| relevance: 10,
| variants: [
| {
| begin: '^(={1,6})[ \t].+?([ \t]\\1)?$'
| },
| {
| begin: '^[^\\[\\]\\n]+?\\n[=\\-~\\^\\+]{2,}$'
| }
| ]
| },
| // document attributes
| {
| className: 'meta',
| begin: '^:.+?:',
| end: '\\s',
| excludeEnd: true,
| relevance: 10
| },
| // block attributes
| {
| className: 'meta',
| begin: '^\\[.+?\\]$',
| relevance: 0
| },
| // quoteblocks
| {
| className: 'quote',
| begin: '^_{4,}\\n',
| end: '\\n_{4,}$',
| relevance: 10
| },
| // listing and literal blocks
| {
| className: 'code',
| begin: '^[\\-\\.]{4,}\\n',
| end: '\\n[\\-\\.]{4,}$',
| relevance: 10
| },
| // passthrough blocks
| {
| begin: '^\\+{4,}\\n',
| end: '\\n\\+{4,}$',
| contains: [{
| begin: '<',
| end: '>',
| subLanguage: 'xml',
| relevance: 0
| }],
| relevance: 10
| },
|
| BULLET_LIST,
| ADMONITION,
| ...ESCAPED_FORMATTING,
| ...STRONG,
| ...EMPHASIS,
|
| // inline smart quotes
| {
| className: 'string',
| variants: [
| {
| begin: "``.+?''"
| },
| {
| begin: "`.+?'"
| }
| ]
| },
| // inline unconstrained emphasis
| {
| className: 'code',
| begin: /`{2}/,
| end: /(\n{2}|`{2})/
| },
| // inline code snippets (TODO should get same treatment as strong and emphasis)
| {
| className: 'code',
| begin: '(`.+?`|\\+.+?\\+)',
| relevance: 0
| },
| // indented literal block
| {
| className: 'code',
| begin: '^[ \\t]',
| end: '$',
| relevance: 0
| },
| HORIZONTAL_RULE,
| // images and links
| {
| begin: '(link:)?(http|https|ftp|file|irc|image:?):\\S+?\\[[^[]*?\\]',
| returnBegin: true,
| contains: [
| {
| begin: '(link|image:?):',
| relevance: 0
| },
| {
| className: 'link',
| begin: '\\w',
| end: '[^\\[]+',
| relevance: 0
| },
| {
| className: 'string',
| begin: '\\[',
| end: '\\]',
| excludeBegin: true,
| excludeEnd: true,
| relevance: 0
| }
| ],
| relevance: 10
| }
| ]
| };
| }
|
| module.exports = asciidoc;
|
|