ui/lib/shared/addon/utils/parse-target.js

89 lines
2.1 KiB
JavaScript

import EmberObject, { get } from '@ember/object';
// New Format: [hostname][:srcPort][/path][=dstPort]
// Older format: dstPort:[hostname][/path]
export function parseTarget(str) {
var srcPort = null, dstPort = null, hostname = null, path = null;
str = str.trim();
var match = str.match(/^(\d+)$/);
if ( match ) {
// New Format: just a dstPort
hostname = null;
srcPort = null;
path = null;
dstPort = parseInt(match[1], 10);
} else if ( str.indexOf('=') === -1 && (match = str.match(/^(\d+):([^\/]+)?(\/.*)?$/)) ) {
// Old Format: dstPort[:hostname][:srcPort][/path]
hostname = match[2] || null;
if ( hostname ) {
var idx = hostname.indexOf(':');
if ( hostname && idx >= 0 ) {
srcPort = parseInt(hostname.substr(idx + 1), 10);
hostname = hostname.substr(0, idx);
}
}
path = match[3] || null;
dstPort = parseInt(match[1], 10);
} else if ( match = str.match(/^([^/=:]+)?(:(\d+))?(\/[^=]+)?(=(\d+))?$/) ) { // eslint-disable-line
// New Format: [hostname][:srcPort][/path][=dstPort]
if ( match[1] && match[1].match(/^\d+$/) && !match[2] ) {
// It's a port
hostname = null;
srcPort = parseInt(match[1], 10) || null;
} else {
hostname = match[1] || null;
srcPort = parseInt(match[3], 10) || null;
}
dstPort = parseInt(match[6], 10) || null;
path = match[4] || null;
} else {
return null;
}
return EmberObject.create({
hostname,
srcPort,
dstPort,
path
});
}
export function stringifyTarget(tgt) {
var srcPort = get(tgt, 'srcPort');
var dstPort = get(tgt, 'dstPort');
var hostname = get(tgt, 'hostname');
var path = get(tgt, 'path');
// New Format: [hostname][:srcPort][/path][=dstPort]
if ( hostname || path || dstPort ) {
var str = hostname || '';
if ( srcPort ) {
str += (str ? ':' : '') + srcPort;
}
if ( path ) {
str += (path.substr(0, 1) === '/' ? '' : '/') + path;
}
if ( dstPort ) {
str += (str ? '=' : '') + dstPort;
}
return str;
} else {
return null;
}
}
export default {
parseTarget,
stringifyTarget,
};