static/highlight/languages/abnf.js

   1 /*! `abnf` grammar compiled for Highlight.js 11.11.1 */
   2   (function(){
   3     var hljsGrammar = (function () {
   4   'use strict';
   5
   6   /*
   7   Language: Augmented Backus-Naur Form
   8   Author: Alex McKibben <alex@nullscope.net>
   9   Website: https://tools.ietf.org/html/rfc5234
  10   Category: syntax
  11   Audit: 2020
  12   */
  13
  14   /** @type LanguageFn */
  15   function abnf(hljs) {
  16     const regex = hljs.regex;
  17     const IDENT = /^[a-zA-Z][a-zA-Z0-9-]*/;
  18
  19     const KEYWORDS = [
  20       "ALPHA",
  21       "BIT",
  22       "CHAR",
  23       "CR",
  24       "CRLF",
  25       "CTL",
  26       "DIGIT",
  27       "DQUOTE",
  28       "HEXDIG",
  29       "HTAB",
  30       "LF",
  31       "LWSP",
  32       "OCTET",
  33       "SP",
  34       "VCHAR",
  35       "WSP"
  36     ];
  37
  38     const COMMENT = hljs.COMMENT(/;/, /$/);
  39
  40     const TERMINAL_BINARY = {
  41       scope: "symbol",
  42       match: /%b[0-1]+(-[0-1]+|(\.[0-1]+)+)?/
  43     };
  44
  45     const TERMINAL_DECIMAL = {
  46       scope: "symbol",
  47       match: /%d[0-9]+(-[0-9]+|(\.[0-9]+)+)?/
  48     };
  49
  50     const TERMINAL_HEXADECIMAL = {
  51       scope: "symbol",
  52       match: /%x[0-9A-F]+(-[0-9A-F]+|(\.[0-9A-F]+)+)?/
  53     };
  54
  55     const CASE_SENSITIVITY = {
  56       scope: "symbol",
  57       match: /%[si](?=".*")/
  58     };
  59
  60     const RULE_DECLARATION = {
  61       scope: "attribute",
  62       match: regex.concat(IDENT, /(?=\s*=)/)
  63     };
  64
  65     const ASSIGNMENT = {
  66       scope: "operator",
  67       match: /=\/?/
  68     };
  69
  70     return {
  71       name: 'Augmented Backus-Naur Form',
  72       illegal: /[!@#$^&',?+~`|:]/,
  73       keywords: KEYWORDS,
  74       contains: [
  75         ASSIGNMENT,
  76         RULE_DECLARATION,
  77         COMMENT,
  78         TERMINAL_BINARY,
  79         TERMINAL_DECIMAL,
  80         TERMINAL_HEXADECIMAL,
  81         CASE_SENSITIVITY,
  82         hljs.QUOTE_STRING_MODE,
  83         hljs.NUMBER_MODE
  84       ]
  85     };
  86   }
  87
  88   return abnf;
  89
  90 })();
  91
  92     hljs.registerLanguage('abnf', hljsGrammar);
  93   })();