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// /JimMartinson/CST2608/Labs/Lab04/Lab04.js
var ids = ['inp_ipaddress'];
var octetDefaults = ['','aaa','bbb','ccc','ddd'];
var ipaddress = { valid:false };
// CheckAddresses(e)
//
function CheckAddresses(e) {
var DEBUG = true;
if ( DEBUG ) { console.group('CheckAddresses[e.id='+e.id+']'); }
var content;
var el;
var i;
var id;
var octetSpans;
for ( i=0; i<ids.length; i++) {
id = ids[i];
el = document.getElementById(id);
content = el.value;
switch ( id ) {
case 'inp_ipaddress':
ipaddress = Get_Octets(id,content);
break;
}
}
if ( DEBUG ) {
console.log('ipaddress='+JSON.stringify(ipaddress));
}
/**/
for ( i=1; i<=4; i++) {
if ( ipaddress.octets[i] !== '' ) {
SetOctets(i,ipaddress.octets[i]);
} else {
SetOctets(i,false);
}
}
if ( !ipaddress.valid ) {
if ( ipaddress.oclass === 'error' ) {
for ( i=1; i<=4; i++) {
SetOctets(i,false);
}
}
}
/**/
var addressesText = '<span class="'+ipaddress.oclass+'">'+ipaddress.condition+'.</span>';
document.getElementById('div_addressesText').innerHTML = addressesText;
if ( DEBUG ) { console.groupEnd(); }
} // END CheckAddresses.
// SetOctets(octetIndex, address)
//
function SetOctets(octetIndex, address) {
var DEBUG = false;
if ( DEBUG ) { console.group('SetOctets[octetIndex='+octetIndex+' address='+address+']'); }
var octetBs = document.getElementsByClassName('octet'+octetIndex);
var octetB;
for ( var i=0; i<octetBs.length; i++ ) {
octetB = octetBs[i];
if ( address !== false ) {
octetB.innerHTML = address;
} else {
octetB.innerHTML = octetDefaults[octetIndex];
}
}
if ( DEBUG ) { console.groupEnd(); }
} // END SetOctets.
// Get_Octets(id, address)
//
function Get_Octets(id, address) {
var DEBUG = true;
if ( DEBUG ) { console.group('Get_Octets[id='+id+' address='+address+']'); }
var octets = ('000.'+address).split('.');
var oclass = 'warning';
var condition;
switch ( id ) {
case 'inp_ipaddress':
condition = 'The ip address';
break;
}
var valid = null;
var i;
if ( DEBUG ) { console.log(id+' octets='+octets); }
for ( i=1; i<=4; i++ ) {
if ( (typeof octets[i] !== 'undefined') && octets[i] !== '' ) { octets[i] = parseInt(octets[i]); } else { octets[i] = ''; }
}
if ( DEBUG ) { console.log(id+' octets='+octets); }
for ( i=1; i<octets.length; i++ ) {
if ( DEBUG ) { console.log(id+' octets['+i+']='+octets[i]); }
if ( octets[i] !== '' && isNaN(octets[i]) ) {
oclass = 'error';
condition = condition+' is not a valid '+'address';
}
}
if ( DEBUG ) { console.log(id+' oclass='+oclass); }
if ( oclass !== 'error' ) {
if ( octets[1] === '' ) { // Check for any entry.
condition = condition+' has not been entered';
} else {
if ( octets[4] === '' ) { // Check for 4 octet entries.
condition = condition+' is incomplete';
} else { // Check for valid address.
valid = ValidateIPaddress(address);
if ( valid ) {
oclass = 'info';
condition = condition+' is OK';
} else {
oclass = 'error';
condition = condition+' is not a valid '+'address';
}
}
}
}
if ( DEBUG ) { console.groupEnd(); }
return { "valid":valid, "oclass":oclass, "condition":condition, "octets":[0,octets[1],octets[2],octets[3],octets[4]] };
} // END Get_Octets.
function ValidateIPaddress(ipaddress) {
if (/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(ipaddress)) {
return (true);
}
//alert("You have entered an invalid IP address!");
return (false);
} // END ValidateIPaddress.