locutus
Version:
Locutus other languages' standard libraries to JavaScript for fun and educational purposes
80 lines (79 loc) • 2.26 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.gopher_parsedir = gopher_parsedir;
function gopher_parsedir(dirent) {
// discuss at: https://locutus.io/php/gopher_parsedir/
// original by: Brett Zamir (https://brett-zamir.me)
// example 1: var entry = gopher_parsedir('0All about my gopher site.\t/allabout.txt\tgopher.example.com\t70\u000d\u000a')
// example 1: entry.title
// returns 1: 'All about my gopher site.'
/* Types
* 0 = plain text file
* 1 = directory menu listing
* 2 = CSO search query
* 3 = error message
* 4 = BinHex encoded text file
* 5 = binary archive file
* 6 = UUEncoded text file
* 7 = search engine query
* 8 = telnet session pointer
* 9 = binary file
* g = Graphics file format, primarily a GIF file
* h = HTML file
* i = informational message
* s = Audio file format, primarily a WAV file
*/
const entryPattern = /^(.)([^\t]*)\t([^\t]*)\t([^\t]*)\t([^\t]*)\r\n$/;
const entry = dirent.match(entryPattern);
if (entry === null) {
throw new Error('Could not parse the directory entry');
// return false;
}
let type = entry[1] ?? '';
switch (type) {
case 'i':
// GOPHER_INFO
type = 255;
break;
case '1':
// GOPHER_DIRECTORY
type = 1;
break;
case '0':
// GOPHER_DOCUMENT
type = 0;
break;
case '4':
// GOPHER_BINHEX
type = 4;
break;
case '5':
// GOPHER_DOSBINARY
type = 5;
break;
case '6':
// GOPHER_UUENCODED
type = 6;
break;
case '9':
// GOPHER_BINARY
type = 9;
break;
case 'h':
// GOPHER_HTTP
type = 254;
break;
default:
return {
type: -1,
data: dirent,
}; // GOPHER_UNKNOWN
}
return {
type,
title: entry[2] ?? '',
path: entry[3] ?? '',
host: entry[4] ?? '',
port: entry[5] ?? '',
};
}