mindoc/static/highlight/languages/abnf.js

76 lines
1.6 KiB
JavaScript

/*
Language: Augmented Backus-Naur Form
Author: Alex McKibben <alex@nullscope.net>
*/
function(hljs) {
var regexes = {
ruleDeclaration: "^[a-zA-Z][a-zA-Z0-9-]*",
unexpectedChars: "[!@#$^&',?+~`|:]"
};
var keywords = [
"ALPHA",
"BIT",
"CHAR",
"CR",
"CRLF",
"CTL",
"DIGIT",
"DQUOTE",
"HEXDIG",
"HTAB",
"LF",
"LWSP",
"OCTET",
"SP",
"VCHAR",
"WSP"
];
var commentMode = hljs.COMMENT(";", "$");
var terminalBinaryMode = {
className: "symbol",
begin: /%b[0-1]+(-[0-1]+|(\.[0-1]+)+){0,1}/
};
var terminalDecimalMode = {
className: "symbol",
begin: /%d[0-9]+(-[0-9]+|(\.[0-9]+)+){0,1}/
};
var terminalHexadecimalMode = {
className: "symbol",
begin: /%x[0-9A-F]+(-[0-9A-F]+|(\.[0-9A-F]+)+){0,1}/,
};
var caseSensitivityIndicatorMode = {
className: "symbol",
begin: /%[si]/
};
var ruleDeclarationMode = {
begin: regexes.ruleDeclaration + '\\s*=',
returnBegin: true,
end: /=/,
relevance: 0,
contains: [{className: "attribute", begin: regexes.ruleDeclaration}]
};
return {
illegal: regexes.unexpectedChars,
keywords: keywords.join(" "),
contains: [
ruleDeclarationMode,
commentMode,
terminalBinaryMode,
terminalDecimalMode,
terminalHexadecimalMode,
caseSensitivityIndicatorMode,
hljs.QUOTE_STRING_MODE,
hljs.NUMBER_MODE
]
};
}