Toolbox/res/highlight/languages/asciidoc.js

/*! `asciidoc` grammar compiled for Highlight.js 11.10.0 */
  (function(){
    var hljsGrammar = (function () {
  'use strict';

  /*
  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 regex = hljs.regex;
    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: regex.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: regex.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
        }
      ]
    };
  }

  return asciidoc;

})();

    hljs.registerLanguage('asciidoc', hljsGrammar);
  })();