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index.html
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index.html
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<head>
<link rel='stylesheet' href='https://mostlymaths.net/webfonts/monoid.css'>
<title>CMap simplifier</title>
<style>
body {
font-size: 12pt;
font-family: 'monoidregular';
font-weight:100;
margin: 2%;
}
.left {
float: left;
width: 48%;
min-height: 95%;
border-radius: 3px;
caret-color: brown;
box-shadow: 0.0px 0.0px 2.9px 1px brown;
}
.left:focus {
box-shadow: 0.0px 0.0px 2.9px 3px brown;
outline: none;
}
.right:focus {
box-shadow: 0.0px 0.0px 2.9px 3px darkgreen;
outline: none;
}
.right {
float: right;
width: 48%;
min-height: 95%;
border-radius: 3px;
font-size: 70%;
white-space: pre;
caret-color: darkgreen;
box-shadow: 0.0px 0.0px 2.9px 1px darkgreen;
}
.hid {
display: none;
}
</style>
<script>
const $ = {
cel: (s) => document.createElement(s),
ctn: (s) => document.createTextNode(s),
byId: (s) => document.getElementById(s),
qs: (s) => document.querySelector(s),
}
const hook = () => {
$.qs(".left").addEventListener("keyup", function(event) {
const k = event.key
const text = $.qs(".left").innerText
const normalize = str => str.normalize('NFKD')
const cmapped = convert(normalize(text))
const header = headerT.split("\n").join("<br/>")
$.qs(".right").innerHTML = header + cmapped + "<br/>}"
navigator.clipboard.writeText($.qs(".right").innerText)
})
}
// Spec
// Node definition
// Node Blah blah node; styledefs
// Arrow? Then it's an edge
// Node1 -> Node2 Blah blah edge; styledefs
// To allow positioning commands and subgraph settings
// foo=bar // With no spaces, has no conversion
// { } are ignored if they are the only character aside from spaces
// Handles compound and subgraphs, automatically creates an invisible
// node in the cluster.
// This runs one single pass, so clusters need to be defined before the
// compound nodes are used
const hasArrow = (text) => {
const flag = text.includes('->')
return flag
}
const hasSubgraph = text => text.includes("subgraph cluster_") // Only supporting clusters, no other
const hasCluster = text => text.trim().startsWith("cluster ")
const hasReplacement = text => /^\s*\$\S+\s*=\s*.*$/.test(text)
const getReplacement = text => /^\s*(\$\S+)\s*=\s*(\S+)\s*$/.exec(text)
const hasURL = text => text.includes("URL=")
const isComment = text => /^\s*\/\/.*/.test(text)
const onlyBraces = text => /^\s*{\s*$/.test(text) || /^\s*}\s*$/.test(text)
const onlyAttrs = text => /^\s*\w+=.*\s*$/.test(text)
const getAttrsArrow = text => /^\s*\S+\s*->\s*\S+\s+(.*)$/.exec(text)
const getAttrsNode = text => /^\s*\S+\s+(.*)$/.exec(text)
const getSubgraphCluster = text => /^\s*subgraph cluster_(\w+).*{.*$/.exec(text)
const getLoneCluster = text => /^\s*cluster\s+(\S+).*{.*$/.exec(text)
const isRGBAHex = text => /^#[0-9a-f]{8}$/.test(text.trim())
const labelBreaker = text => {
const leftAlign = "\\l"
if(text.length>30 && !text.includes("\\n")){
const words = text.split(" ")
let lines = []
let line = ""
for(let word of words){
line += `${word} `
if(line.length>30){
lines.push(line)
line = ""
}
}
lines.push(line)
lines.push("")
return lines.join(leftAlign)
}else{
return text
}
}
const convert = (text) => {
result = []
let replacements = []
const lines = text.split('\n')
const tab = " "
const ttab = tab + tab
let clusters = []
result.push(tab + `label="\\n${lines[0].replace('# ', '')}\\n\\n";`)
for(let line of lines.slice(1)){
if(onlyBraces(line) || onlyAttrs(line) || isComment(line)){
result.push(tab + line)
continue
}
if(hasReplacement(line)){
const key = getReplacement(line)[1]
const value = getReplacement(line)[2]
replacements.push([key, value])
continue
}
for(let replacement of replacements){
let [key, value] = replacement
line = line.replace(key, value)
}
if(hasSubgraph(line) || hasCluster(line)){
let cluster
if(hasSubgraph(line)){
cluster = getSubgraphCluster(line)[1]
} else {
cluster = getLoneCluster(line)[1]
}
clusters.push(cluster)
// Add standard formatting
let fill
for(let word of line.split(" ")){
if(isRGBAHex(word)){
fill = ttab + `fillcolor="${word.trim()}"`
line = line.replace(word.trim(), "")
}
}
result.push(tab + `subgraph cluster_${cluster} {`)
result.push(ttab + `style="filled, rounded, dotted"`)
if(fill !== undefined){
result.push(fill)
}
// Add invisible cluster name node and label
result.push(ttab + `label="${cluster}"`)
result.push(ttab + `${cluster} [style=invis,width=0,label="",fixedsize=true]`)
continue
}
let attrs, src, dst
if(hasArrow(line)){
attrs = getAttrsArrow(line);
const match = /^\s*(\w+)\s*->\s*(\w+).*$/.exec(line)
src = match[1]
dst = match[2]
src = src.trim()
dst = dst.trim()
} else {
attrs = getAttrsNode(line)
}
let addendum = ""
if(src && clusters.includes(src)){
addendum = ` ltail="cluster_${src}"`
}
if(dst && clusters.includes(dst)){
addendum = ` lhead="cluster_${dst}"`
}
if(!attrs || attrs.length == 1){
const compoundEdge = addendum != "" ? ` [${addendum}]` : ""
result.push(tab + line + compoundEdge)
continue
}
const linkUTF = hasURL(attrs[1]) ? " 🔗" : ""
let [label, props] = attrs[1].split(";")
if(hasArrow(line) && label.trim() == "!"){
label = ""
props = props ? props : "" + "style=invis"
}
const labelPropper = (label, props) => `[label="${labelBreaker(label)}${linkUTF}"${props ? " " + props : ""}${addendum}]`
const operation = line.replace(" " + attrs[1], " ")
let converted = `${operation} ${labelPropper(label, props)}`
if(!hasArrow(line) && label.trim() == "="){
converted = `${operation} ${labelPropper(operation.trim(), props)}`
}
result.push(tab + converted)
}
let joined = result.join("<br/>")
return joined
}
/*
Sample
# title
$bluefill = fillcolor="#33339933"
$RED=#99333377
zzz The zs; $bluefill
zzz -> arstd label thingy;color=red
longy This is a very long label to see it break up correctly
subgraph cluster_foo {
label="Not foo"
baz baz;URL="foo"
Thingy
bah =;color=red
baz -> Invisible !
}
// test comment -> hah foo;a
bar -> foo
foo -> arstd ;arrowhead=none
cluster colorful { #33333333
a
}
*/
const headerT = `
digraph G {
layout=dot
margin=0.5
bgcolor="#ffffff00"
rankdir=TB
fontname="Roboto"
nodesep=0.5
overlap=scale
compound=true
node [
fontname = "Roboto"
style="rounded,filled"
labelloc=c
margin="0.3,0.15"
splines=true
shape=rect
fontsize=15
];
edge [
minlen=3
penwidth=2
color="#33333388"
fontname="Roboto"
fontsize=14
arrowhead=normal // Latest papers about cmaps have recovered heads
];
graph [
margin=8
style="rounded,dotted"
];
fontsize=24
labelloc="t";
`
</script>
</head>
<body onload="hook()">
<div contenteditable class="left"></div>
<div contenteditable class="right"></div>
</pre>
</body>