From b2b262c7153cdb1849b3a413401a21cd4deac283 Mon Sep 17 00:00:00 2001
From: Johannes Kimmel <fff@bareminimum.eu>
Date: Fri, 21 Apr 2023 18:36:06 +0200
Subject: [PATCH] minimal example

---
 classless-tiny.css |  78 ++++++++++
 classless.css      | 381 +++++++++++++++++++++++++++++++++++++++++++++
 l3config.html      |  17 ++
 l3config.js        | 198 +++++++++++++++++++++++
 4 files changed, 674 insertions(+)
 create mode 100644 classless-tiny.css
 create mode 100644 classless.css
 create mode 100644 l3config.html
 create mode 100644 l3config.js

diff --git a/classless-tiny.css b/classless-tiny.css
new file mode 100644
index 0000000..32c1129
--- /dev/null
+++ b/classless-tiny.css
@@ -0,0 +1,78 @@
+/* Classless.css v1.0 (Tiny Inline Version)*/
+
+/* Tiny Reset for block elements  */
+* {box-sizing: border-box; border-spacing: 0;}
+header, footer, figure, table, video, details, blockquote,
+ul, ol, dl, fieldset, pre, pre > code, caption, nav {
+	display: block;
+	margin: 0.5rem 0rem 1rem;
+	width: 100%;
+	overflow: auto hidden;
+	text-align: left;
+}
+video, summary, input, select { outline:none; }
+html { font: 12pt/1.6 'Open Sans', Helvetica, sans-serif; }
+body {
+	position: relative;
+	margin: auto;
+	max-width: 50rem;
+	color: #433;
+	padding: 3.1rem 0.6rem 0;
+	overflow-x: hidden;
+}
+body > footer { margin: 10rem 0rem 0rem; }
+
+/* clickable stuff */
+a, summary, button, select { color: #07c; cursor: pointer; }
+a { text-decoration: underline solid #d1d1d1; text-underline-position: under; }
+a:hover { color: #088;  border-color: #088; }
+
+/* common */
+td, th, pre > code { padding: 0.5rem 0.8rem; }
+.card, details { padding: 0 .6rem; }
+code, kbd, samp {	padding: 0.2rem; font: .9em/1.4 monospace; }
+code, kbd, samp, nav, .card {	background: #f4f5f6; border-radius: 0.3em; }
+kbd, .card, details[open] { border: 1px solid #d1d1d1; }
+td, th, figcaption, caption, .card { font-size: 95%; }
+td, th, hr { border: 0; border-bottom: 0.1rem solid #d1d1d1; }
+
+/* lists */
+ul, ol { padding-top: 0.5rem; }
+li, dd { margin-bottom: 0.5rem; }
+dt { font-weight: bold; }
+
+/* headings */
+h1, h2, h3, h4, h5 { margin: 1.5em 0 0em; line-height: 1.2em; }
+h1+h2, h2+h3, h3+h4, h4+h5 { margin-top: .5em; }
+h1 { font-size: 2.2em; font-weight: 300; }
+h2 { font-size: 2.0em; font-weight: 300; font-variant-caps: small-caps; }
+h3 { font-size: 1.5em; font-weight: 400; }
+h4 { font-size: 1.1em; font-weight: 700; }
+h5 { font-size: 1.2em; font-weight: 400; color: #888; }
+h6 { font-size: 1.0em; font-weight: 600; display: inline; }
+h6 + p { display: inline; }
+
+/* tables */
+td, th { text-align: right; white-space: nowrap; }
+td:first-child, th:first-child { text-align: left; }
+tr:hover{ background-color: #f4f5f6; }
+
+/* figures */
+img, svg { max-width: 100%; vertical-align: text-top; }
+p>img:not(:only-child) { float: right; margin: 0 0 .5em .5em; }
+figure > img { display: block; margin: 0.5em auto; }
+figcaption, caption { color: #888; margin-bottom: 1rem; }
+figure > *:not(:last-child) { margin: 0 0 0.4rem; }
+
+/*code*/
+pre > code { margin: 0; border-left: 0.4rem solid #088; }
+
+/* misc */
+blockquote{ border-left: 0.3rem solid #d1d1d1; padding: 1rem 1.5rem; font-style: italic; }
+input { font-size: 1em; }
+p>cite:before { content: ' ('; } p>cite:after {content: ') '}
+
+/* grid */
+.row { display: flex; margin:  0.5rem -0.5rem; align-items: stretch; }
+.row [class*="col"] { padding: 0  0.5rem; flex: 1 1 100%; }
+@media (max-width: 40em) { .row { flex-direction: column !important; } }
diff --git a/classless.css b/classless.css
new file mode 100644
index 0000000..8356b44
--- /dev/null
+++ b/classless.css
@@ -0,0 +1,381 @@
+/* Classless.css v1.0
+
+Table of Contents:
+ 1. Theme Settings
+ 2. Reset
+ 3. Base Style
+ 4. Extras  (remove unwanted)
+ 5. Classes  (remove unwanted)
+*/
+
+/* 1. Theme Settings ––––––––––––––––––––-–––––––––––––– */
+
+
+:root, html[data-theme='light'] {
+	--rem: 12pt;
+	--width: 50rem;
+	--navpos: absolute;  /* fixed | absolute */
+	--font-p: 1em/1.7  'Open Sans', 'DejaVu Sans', FreeSans, Helvetica, sans-serif;
+	--font-h: .9em/1.5 'Open Sans', 'DejaVu Sans', FreeSans, Helvetica, sans-serif;
+	--font-c: .9em/1.4 'DejaVu Sans Mono', monospace;
+	--border: 1px solid var(--cmed);
+	--ornament: "‹‹‹ ›››";
+	/* foreground   | background color */
+	--cfg:   #433;    --cbg:    #fff;
+	--cdark: #888;    --clight: #f5f6f7;
+	--cmed:  #d1d1d1;
+	--clink: #07c;
+	--cemph: #088;    --cemphbg: #0881;
+}
+
+
+/* 2. Reset –––––––––––––––––––––––––––––––––––––––––––– */
+
+/* reset block elements  */
+* { box-sizing: border-box; border-spacing: 0; margin: 0; padding: 0;}
+header, footer, figure, table, video, details, blockquote,
+ul, ol, dl, fieldset, pre, pre > code, caption {
+	display: block;
+	margin: 0.5rem 0rem 1rem;
+	width: 100%;
+	overflow: auto hidden;
+	text-align: left;
+}
+video, summary, input, select { outline:none; }
+
+/* reset clickable things  (FF Bug: select:hover prevents usage) */
+a, button, select, summary { color: var(--clink); cursor: pointer; }
+
+
+/* 3. Base Style ––––––––––––––––––––––––––––––––––––––– */
+html { font-size: var(--rem); background: var(--cbg); }
+body {
+	position: relative;
+	margin: auto;
+	max-width: var(--width);
+	font: var(--font-p);
+	color: var(--cfg);
+	padding: 3.0rem 0.6rem 0;
+	overflow-x: hidden;
+}
+body > footer { margin: 10rem 0rem 0rem; font-size: 90%; }
+p { margin: .6em 0; }
+
+/* links */
+a[href]{ text-decoration: underline solid var(--cmed); text-underline-position: under; }
+a[href^="#"] {text-decoration: none; }
+a:hover, button:not([disabled]):hover, summary:hover {
+	filter: brightness(92%); color: var(--cemph); border-color: var(--cemph);
+}
+
+/* lists */
+ul, ol, dl { margin: 1rem 0; padding: 0 0 0 2em; }
+li:not(:last-child), dd:not(:last-child) { margin-bottom: 0.5rem; }
+dt { font-weight: bold; }
+
+/* headings */
+h1, h2, h3, h4, h5 { margin: 1.5em 0 .5rem; font: var(--font-h); line-height: 1.2em; clear: both; }
+h1+h2, h2+h3, h3+h4, h4+h5 { margin-top: .5em; padding-top: 0; }  /* non-clashing headings */
+h1 { font-size: 2.2em; font-weight: 300; }
+h2 { font-size: 2.0em; font-weight: 300; font-variant: small-caps; }
+h3 { font-size: 1.5em; font-weight: 400; }
+h4 { font-size: 1.1em; font-weight: 700; }
+h5 { font-size: 1.2em; font-weight: 400; color: var(--cfg); }
+h6 { font-size: 1.0em; font-weight: 700; font-style: italic; display: inline; }
+h6 + p { display: inline; }
+
+/* tables */
+td, th {
+  padding: 0.5em 0.8em;
+  text-align: right;
+  border-bottom: 0.1rem solid var(--cmed);
+  white-space: nowrap;
+  font-size: 95%;
+}
+thead th[colspan] { padding: .2em 0.8em; text-align: center; }
+thead tr:not(:only-child) td { padding: .2em 0.8em; }
+thead+tbody tr:first-child td { border-top: 0.1rem  solid var(--cdark);  }
+td:first-child, th:first-child { text-align: left; }
+tr:hover{ background-color: var(--clight); }
+table img { display: block; }
+
+/* figures */
+img, svg { max-width: 100%; vertical-align: text-top; object-fit: cover; }
+p>img:not(:only-child) { float: right; margin: 0 0 .5em .5em; }
+figure > img { display: inline-block; width: auto; }
+figure > img:only-of-type, figure > svg:only-of-type { max-width: 100%; display: block; margin: 0 auto 0.4em; }
+figcaption, caption { font: var(--font-h); color: var(--cdark); width: 100%; }
+figcaption > *:first-child, caption > *:first-child { display: inline-block; margin: 0; }
+figure > *:not(:last-child) { margin-bottom: 0.4rem; }
+
+/* code */
+pre > code {
+  margin: 0;
+  position: relative;
+  padding: 0.8em;
+  border-left: .4rem solid var(--cemph);
+}
+code, kbd, samp {
+	padding: 0.2em;
+	font: var(--font-c);
+	background: var(--clight);
+	border-radius: 4px;
+}
+kbd { border: 1px solid var(--cmed); }
+
+/* misc */
+blockquote { border-left: 0.4rem solid var(--cmed); padding: 0 0 0 1rem;  }
+time{ color: var(--cdark); }
+hr { border: 0; border-top: 0.1rem solid var(--cmed); }
+nav { width: 100%; background-color: var(--clight); }
+::selection, mark { background: var(--clink); color: var(--cbg); }
+
+
+/* 4. Extra Style –––––––––––––––––––––––––––––––––––––– */
+
+/* Auto Numbering: figure/tables/headings/cite */
+article { counter-reset: h2 0 h3 0 tab 0 fig 0 lst 0 ref 0 eq 0; }
+article figure figcaption:before {
+	color: var(--cemph);
+	counter-increment: fig;
+	content: "Figure " counter(fig) ": ";
+}
+
+/* subfigures */
+figure { counter-reset: subfig 0 }
+article figure figure { counter-reset: none; }
+article figure > figure { display: inline-grid; width: auto; }
+figure > figure:not(:last-of-type) { padding-right: 1rem; }
+article figure figure figcaption:before {
+	counter-increment: subfig 1;
+	content: counter(subfig, lower-alpha) ": ";
+}
+
+/* listings */
+article figure pre + figcaption:before {
+	counter-increment: lst 1;
+	content: "Listing " counter(lst) ": ";
+}
+
+/* tables */
+figure > table:only-of-type { display: table; margin: 0.5em auto !important; width: fit-content; }
+article figure > table caption { display: table-caption; caption-side: bottom; }
+article figure > table + figcaption:before,
+article table caption:before {
+	color: var(--cemph);
+	counter-increment: tab 1;
+	content: "Table " counter(tab) ": ";
+}
+
+/* headings */
+article h2, h3 { position: relative; }
+article h2:before,
+article h3:before {
+	display: inline-block;
+	position: relative;
+	font-size: 0.6em;
+	text-align: right;
+	vertical-align: baseline;
+	left: -1rem;
+	width: 2.5em;
+	margin-left: -2.5em;
+}
+article h1 { counter-set: h2; }
+article h2:before { counter-increment: h2; content: counter(h2) ". "; counter-set: h3; }
+article h3:before { counter-increment: h3; content: counter(h2) "." counter(h3) ". ";}
+@media (max-width: 60rem) { h2:before, h3:before { display: none; } }
+
+/* tooltip + citation */
+article p>cite:before {
+	padding: 0 .5em 0 0;
+	counter-increment: ref; content: " [" counter(ref) "] ";
+	vertical-align: super; font-size: .6em;
+}
+article p>cite > *:only-child { display: none; }
+article p>cite:hover > *:only-child,
+[data-tooltip]:hover:before {
+	display: inline-block; z-index: 40;
+	white-space: pre-wrap;
+	position: absolute; left: 1rem; right: 1rem;
+	padding: 1em 2em;
+	text-align: center;
+	transform:translateY( calc(-100%) );
+	content: attr(data-tooltip);
+	color: var(--cbg);
+	background-color: var(--cemph);
+	box-shadow: 0 2px 10px 0 black;
+}
+[data-tooltip], article p>cite:before { 
+	color: var(--clink);
+	border: .8rem solid transparent; margin: -.8rem;
+}
+abbr[title], [data-tooltip] { cursor: help; }
+
+/* navbar */
+nav+* { margin-top: 3rem; }
+body>nav, header nav {
+	position: var(--navpos);
+	top: 0; left: 0; right: 0;
+	z-index: 41;
+	box-shadow: 0vw -50vw 0 50vw var(--clight), 0 calc(-50vw + 2px) 4px 50vw var(--cdark);
+}
+nav ul { list-style-type: none; }
+nav ul:first-child { margin: 0; padding: 0; overflow: visible; }
+nav ul:first-child > li {
+	display: inline-block;
+	margin: 0;
+	padding: 0.8rem .6rem;
+}
+nav ul > li > ul {
+	display: none;
+	width: auto;
+	position: absolute;
+	margin: 0.5rem 0;
+	padding: 1rem 2rem;
+	background-color: var(--clight);
+	border: var(--border);
+	border-radius: 4px;
+	z-index: 42;
+}
+nav ul > li > ul > li { white-space: nowrap; }
+nav ul > li:hover > ul { display: block; }
+@media (max-width: 40rem) {
+	nav ul:first-child > li:first-child:after { content: " \25BE"; }
+	nav ul:first-child > li:not(:first-child):not(.sticky) { display: none; }
+	nav ul:first-child:hover > li:not(:first-child):not(.sticky) { display: block; float: none !important; }
+}
+
+/* details/cards */
+summary>* { display: inline; }
+.card, details {
+	display: block;
+	margin: 0.5rem 0rem 1rem;
+	padding: 0 .6rem;
+	border-radius: 4px;
+	overflow: hidden;
+}
+.card, details[open] { outline: 1px solid var(--cmed); }
+.card>img:first-child { margin: -3px -.6rem; max-width: calc(100% + 1.2rem); }
+summary:hover, details[open] summary, .card>p:first-child {
+	box-shadow: inset 0 0 0 2em var(--clight), 0 -.8rem 0 .8rem var(--clight); 
+}
+.hint { --cmed: var(--cemph); --clight: var(--cemphbg); background-color: var(--clight); }
+.warn { --cmed: #c11; --clight: #e221; background-color: var(--clight); }
+
+/* big first letter */
+article > section:first-of-type > h2:first-of-type + p:first-letter,
+article > h2:first-of-type + p:first-letter, .lettrine {
+	float: left;
+	font-size: 3.5em;
+	padding: 0.1em 0.1em 0 0;
+	line-height: 0.68em;
+	color: var(--cemph);
+}
+
+/* ornaments */
+section:after {
+	display: block;
+	margin: 1em 0;
+	color: var(--cmed);
+	text-align: center;
+	font-size: 1.5em;
+	content: var(--ornament);
+}
+
+/* side menu (aside is not intended for use in a paragraph!) */
+main aside {
+	position: absolute;
+	width: 8rem;      right: -8.6rem;
+	font-size: 0.8em; line-height: 1.4em;
+}
+@media (max-width: 70rem) { main aside { display: none; } }
+
+/* forms and inputs  */
+textarea, input:not([type=range]), button, select {
+	font: var(--font-h);
+	border-radius: 4px;
+	border: 1.5px solid var(--cmed);
+	padding: 0.4em 0.8em;
+}
+fieldset select, input:not([type=checkbox]):not([type=radio]) {
+	display: block;
+	width: 100%;
+	margin: 0 0 1rem;
+}
+button, select {
+	font-weight: bold;
+	background-color: var(--clight);
+	margin: .5em;
+	border: 1.5px solid var(--clink);
+}
+button { padding: 0.4em 1em; font-size: 85%; letter-spacing: 0.1em; }
+button[disabled]{ color: var(--cdark); border-color: var(--cmed); }
+fieldset { border-radius: 4px; border: var(--border); padding: .5em 1em;}
+textarea:hover, input:not([type=checkbox]):not([type*='ra']):hover, select:hover{
+  border: 1.5px solid var(--cemph);
+}
+textarea:focus, input:not([type=checkbox]):not([type*='ra']):focus{
+	border: 1.5px solid var(--clink);
+	box-shadow: 0 0 5px var(--clink);
+}
+p>button { padding: 0 .5em; margin: 0 .5em; }
+p>select { padding: 0;      margin: 0 .5em; }
+
+
+/* 5. Bootstrap-compatible classes ––––––––––––––––––––– */
+
+/* grid */
+.row { display: flex; margin:  0.5rem -0.6rem; align-items: stretch; }
+.row [class*="col"] { padding: 0  0.6rem; }
+.row .col   { flex: 1 1 100%; }
+.row .col-2 { flex: 0 0 16.66%; max-width: 16.66%;}
+.row .col-3 { flex: 0 0 25%; max-width: 25%;}
+.row .col-4 { flex: 0 0 33.33%; max-width: 33.33%; }
+.row .col-5 { flex: 0 0 41.66%; max-width: 41.66%; }
+.row .col-6 { flex: 0 0 50%; max-width: 50%; }
+@media (max-width: 40rem) { .row { flex-direction: column; } }
+
+/* align */
+.text-left   { text-align: left; }
+.text-right  { text-align: right; }
+.text-center { text-align: center; }
+.float-left  { float: left !important; }
+.float-right { float: right !important; }
+.clearfix    { clear: both; }
+
+/* colors */
+.text-black    { color: #000; }
+.text-white    { color: #fff; }
+.text-primary  { color: var(--cemph); }
+.text-secondary{ color: var(--cdark); }
+.bg-white    { background-color: #fff; }
+.bg-light    { background-color: var(--clight); }
+.bg-primary  { background-color: var(--cemph); }
+.bg-secondary{ background-color: var(--cmed); }
+
+/* margins */
+.mx-auto { margin-left: auto; margin-right: auto; }
+.m-0 { margin: 0 !important; }
+.m-1, .mx-1, .mr-1 { margin-right:  1.0rem !important; }
+.m-1, .mx-1, .ml-1 { margin-left:   1.0rem !important; }
+.m-1, .my-1, .mt-1 { margin-top:    1.0rem !important; }
+.m-1, .my-1, .mb-1 { margin-bottom: 1.0rem !important; }
+
+/* pading */
+.p-0 { padding: 0 !important; }
+.p-1, .px-1, .pr-1 { padding-right:  1.0rem !important; }
+.p-1, .px-1, .pl-1 { padding-left:   1.0rem !important; }
+.p-1, .py-1, .pt-1 { padding-top:    1.0rem !important; }
+.p-1, .py-1, .pb-1 { padding-bottom: 1.0rem !important; }
+
+/* be print-friendly */
+@media print { 
+	@page { margin: 1.5cm 2cm; } 
+	html {font-size: 9pt!important; } 
+	body { max-width: 27cm; }
+	p { orphans: 2; widows: 2; }
+	caption, figcaption { page-break-before: avoid; }
+	h2, h3, h4, h5 { page-break-after: avoid;}
+	.noprint, body>nav, section:after { display: none; }
+	.row { flex-direction: row; }
+}
\ No newline at end of file
diff --git a/l3config.html b/l3config.html
new file mode 100644
index 0000000..2a9f9dc
--- /dev/null
+++ b/l3config.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="de">
+	<head>
+		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1">
+		<link rel="stylesheet" href="classless.css">
+		<script src="l3config.js" defer=""></script>
+		<title>l3config</title>
+	</head>
+	<body>
+		<h1>l3config</h1>
+		<div id="l3configinput">
+		</div>
+		<div id="l3configoutput">
+		</div>
+	</body>
+</html>
diff --git a/l3config.js b/l3config.js
new file mode 100644
index 0000000..52d601d
--- /dev/null
+++ b/l3config.js
@@ -0,0 +1,198 @@
+"use strict";
+
+function makeFieldset(legend) {
+	let fieldset = document.createElement('fieldset');
+	let fieldsetlegend = document.createElement('legend');
+	fieldsetlegend.innerHTML = legend;
+	fieldset.appendChild(fieldsetlegend);
+	return fieldset;
+}
+
+class L3Section {
+	constructor(legend, ...inputs) {
+		this.legend = legend;
+		this.inputs = inputs;
+	}
+	node() {
+		let fs = makeFieldset(this.legend);
+		let sep = undefined;
+		for (const input of this.inputs) {
+			let div = document.createElement('div');
+			div.append(...input.node());
+			fs.append(div);
+		}
+		return fs;
+	}
+	values() {
+		this.inputs.map((input) => {input.id = input.value;})
+	}
+	render() {
+		const options = this.inputs
+			.map(input => input.option())
+			.filter(option => !!option);
+
+		if (options.length == 0) {
+			return undefined
+		}
+
+		console.log("options:", options)
+
+		var compiledopts = {};
+		for (const option of options) {
+			if (!compiledopts[option.optionName]) {
+				compiledopts[option.optionName] = [];
+			}
+			compiledopts[option.optionName].push(option.value)
+		}
+		console.log("compiledopts:", compiledopts)
+
+		let optstrs = [];
+		for (const opt in compiledopts) {
+			const values = compiledopts[opt];
+			console.log("values:", values);
+			if (values.length == 1) {
+				optstrs.push(`option ${opt} '${values[0]}'`);
+			} else {
+				for (const value of values) {
+				optstrs.push(`list ${opt} '${value}'`);
+				}
+			}
+		}
+		return `config ${this.legend}\n\t` + optstrs.join('\n\t')
+	}
+}
+
+class L3Input {
+	constructor(label, id, optionName, attrs, datalist) {
+		this.label = label;
+		this.id = id;
+		this.optionName = optionName;
+		this.attrs = attrs;
+		this.datalist = datalist
+		this.input = undefined;
+	}
+	node() {
+		let newLabel = document.createElement('label');
+		newLabel.setAttribute('for', this.id);
+		newLabel.innerHTML = this.label;
+
+		this.input = document.createElement('input');
+		this.input.setAttribute('id', this.id);
+		for (const attr in this.attrs) {
+			this.input.setAttribute(attr, this.attrs[attr]);
+		}
+
+
+		let ret = (this.input.type === 'radio') ? [this.input, newLabel] : [newLabel, this.input];
+
+		if (this.datalist) {
+			let datalist = document.createElement('datalist');
+			let datalistid = this.id + '-datalist';
+			datalist.setAttribute('id', datalistid);
+			this.input.setAttribute('list', datalistid);
+
+			for (const value of this.datalist) {
+				let option = document.createElement('option');
+				option.setAttribute('value', value);
+				datalist.append(option);
+			}
+
+			ret.push(datalist);
+		}
+
+		return ret;
+
+	}
+	id() {
+		return this.id;
+	}
+	value() {
+		return this.input.value;
+	}
+	option() {
+		switch (this.input.type) {
+			case 'radio':
+				if (!this.input.checked || this.input.value == 'undefined') return undefined;
+				break;
+			default:
+				if (!this.input.value) return undefined;
+				break;
+		}
+
+		const ret = {
+			optionName: this.optionName,
+			value: this.input.value,
+		};
+
+		console.log("option:", ret, this.optionName, this.input.value);
+		return ret;
+	}
+	render() {
+		switch (this.input.type) {
+			case 'radio':
+				if (!this.input.checked || this.input.value == 'undefined') return undefined;
+				break;
+			default:
+				if (!this.input.value) return undefined;
+				break;
+		}
+
+		return `option ${this.optionName} '${this.input.value}'`
+	}
+}
+
+function initForm() {
+	let l3configinput = document.getElementById('l3configinput');
+	let form = document.createElement('form');
+	l3configinput.appendChild(form);
+
+	const L3Config = [
+		new L3Section('gateway',
+			new L3Input('name','gatewayName', 'name', {type: 'search', required: '', placeholder: 'Router Name'}),
+			new L3Input('router_ip','gatewayRouterIP', 'router_ip', {type: 'text'}),
+			new L3Input('router_ip6','gatewayRouterIP6', 'router_ip6', {type: 'text'}),
+		),
+		new L3Section('dns',
+			new L3Input('Anycast DNS','dnsAnycast', 'server', {type: 'radio', name: 'anycast', value: 'fd43:5602:29bd:ffff:1:1:1:1', checked: ''}),
+			new L3Input('Anycast DNS64','dnsAnycast64', 'server', {type: 'radio', name: 'anycast', value: 'fd43:5602:29bd:ffff:1:1:1:64'}),
+			new L3Input('Disable','dnsAnycastNone', 'server', {type: 'radio', name: 'anycast', value: undefined}),
+			new L3Input('server','dnsOther', 'server', {type: 'text', placeholder: 'Custom DNS Server'}),
+		),
+		new L3Section('babelpeer',
+			new L3Input('vlan','babelpeerVLAN', 'vlan', {type: 'number', min: 1, max: 4094}),
+			new L3Input('iface','babelpeerIFACE', 'iface', {type: 'text', placeholder: 'eth0, eth0.4, ...'}),
+			new L3Input('type','babelpeerType', 'type', {type: 'search', placeholder: 'wired, wireless, ...'}, ['wired', 'wireless'] ),
+			new L3Input('rxcost','babelpeerRXCOST', 'rxcost', {type: 'number', min: 96, max: 65535, placeholder: 'LAN: 96, Tunnel: 4096, ...'}),
+		),
+
+	];
+
+	form.replaceChildren(...L3Config.map((section) => section.node()));
+
+	function handleUpdate() {
+		console.log(L3Config);
+		renderConfig(L3Config.map(section => section.render()).filter(section => !!section));
+	}
+
+	for (let input of form.getElementsByTagName('input')) {
+		input.addEventListener('input', handleUpdate);
+	}
+
+	renderConfig(L3Config.map(section => section.render()).filter(section => !!section));
+}
+
+function renderConfigOption(name, value) {
+	return value ? `\toption ${name} '${value}'\n` : ""
+}
+function renderConfig(sections) {
+	let l3configoutput = document.getElementById('l3configoutput');
+	let l3configoutputpre = document.createElement('pre');
+	let code = document.createElement('code');
+	l3configoutputpre.appendChild(code);
+
+	code.innerHTML += sections.join('\n\n');
+
+	l3configoutput.replaceChildren(l3configoutputpre);
+}
+
+initForm();