iTop/js/highlight/languages/nginx.js

/*! `nginx` grammar compiled for Highlight.js 11.9.0 */
  (function(){
    var hljsGrammar = (function () {
  'use strict';

  /*
  Language: Nginx config
  Author: Peter Leonov <gojpeg@yandex.ru>
  Contributors: Ivan Sagalaev <maniac@softwaremaniacs.org>
  Category: config, web
  Website: https://www.nginx.com
  */

  /** @type LanguageFn */
  function nginx(hljs) {
    const regex = hljs.regex;
    const VAR = {
      className: 'variable',
      variants: [
        { begin: /\$\d+/ },
        { begin: /\$\{\w+\}/ },
        { begin: regex.concat(/[$@]/, hljs.UNDERSCORE_IDENT_RE) }
      ]
    };
    const LITERALS = [
      "on",
      "off",
      "yes",
      "no",
      "true",
      "false",
      "none",
      "blocked",
      "debug",
      "info",
      "notice",
      "warn",
      "error",
      "crit",
      "select",
      "break",
      "last",
      "permanent",
      "redirect",
      "kqueue",
      "rtsig",
      "epoll",
      "poll",
      "/dev/poll"
    ];
    const DEFAULT = {
      endsWithParent: true,
      keywords: {
        $pattern: /[a-z_]{2,}|\/dev\/poll/,
        literal: LITERALS
      },
      relevance: 0,
      illegal: '=>',
      contains: [
        hljs.HASH_COMMENT_MODE,
        {
          className: 'string',
          contains: [
            hljs.BACKSLASH_ESCAPE,
            VAR
          ],
          variants: [
            {
              begin: /"/,
              end: /"/
            },
            {
              begin: /'/,
              end: /'/
            }
          ]
        },
        // this swallows entire URLs to avoid detecting numbers within
        {
          begin: '([a-z]+):/',
          end: '\\s',
          endsWithParent: true,
          excludeEnd: true,
          contains: [ VAR ]
        },
        {
          className: 'regexp',
          contains: [
            hljs.BACKSLASH_ESCAPE,
            VAR
          ],
          variants: [
            {
              begin: "\\s\\^",
              end: "\\s|\\{|;",
              returnEnd: true
            },
            // regexp locations (~, ~*)
            {
              begin: "~\\*?\\s+",
              end: "\\s|\\{|;",
              returnEnd: true
            },
            // *.example.com
            { begin: "\\*(\\.[a-z\\-]+)+" },
            // sub.example.*
            { begin: "([a-z\\-]+\\.)+\\*" }
          ]
        },
        // IP
        {
          className: 'number',
          begin: '\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}(:\\d{1,5})?\\b'
        },
        // units
        {
          className: 'number',
          begin: '\\b\\d+[kKmMgGdshdwy]?\\b',
          relevance: 0
        },
        VAR
      ]
    };

    return {
      name: 'Nginx config',
      aliases: [ 'nginxconf' ],
      contains: [
        hljs.HASH_COMMENT_MODE,
        {
          beginKeywords: "upstream location",
          end: /;|\{/,
          contains: DEFAULT.contains,
          keywords: { section: "upstream location" }
        },
        {
          className: 'section',
          begin: regex.concat(hljs.UNDERSCORE_IDENT_RE + regex.lookahead(/\s+\{/)),
          relevance: 0
        },
        {
          begin: regex.lookahead(hljs.UNDERSCORE_IDENT_RE + '\\s'),
          end: ';|\\{',
          contains: [
            {
              className: 'attribute',
              begin: hljs.UNDERSCORE_IDENT_RE,
              starts: DEFAULT
            }
          ],
          relevance: 0
        }
      ],
      illegal: '[^\\s\\}\\{]'
    };
  }

  return nginx;

})();

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