static/highlight/es/languages/abnf.js

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