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"use strict"
const fs = require("fs")
let points = {}
let boxes = {}
let edges = {}
let mode, group, name, x, y, w, h, cx, cy, rx, ry, x2, y2
let labels = []
let labels_uniq = {}
function add_point(x, y) {
if (!(group in points))
points[group] = []
points[group].push({x,y,name})
}
function add_rect(x, y, w, h) {
if (!(group in boxes))
boxes[group] = []
boxes[group].push({x,y,w,h,name})
}
function add_edge(x1, y1, x2, y2) {
if (!(group in edges))
edges[group] = []
edges[group].push({x1,y1,x2,y2,name})
}
function flush() {
if (mode === 'path') {
add_edge(x, y, x2, y2)
}
if (mode === 'rect') {
add_rect(x, y, w, h)
add_point( x + w/2, y + h/2 )
}
if (mode === 'circle') {
add_rect(cx - rx, cy - ry, rx * 2, ry * 2)
add_point( cx, cy )
}
x = y = x2 = y2 = w = h = cx = cy = rx = ry = 0
name = null
}
function parse_path_data(path) {
let cx = 0
let cy = 0
let abs = 0
for (let i = 0; i < path.length;) {
switch (path[i]) {
case 'M':
x2 = x = cx = Number(path[i+1])
y2 = y = cy = Number(path[i+2])
i += 3
abs = true
break
case 'm':
x2 = x = cx = cx + Number(path[i+1])
y2 = y = cy = cy + Number(path[i+2])
i += 3
abs = false
break
case 'C':
x2 = cx = Number(path[i+5])
y2 = cy = Number(path[i+6])
i += 7
abs = true
break
case 'L':
i += 1
abs = true
break
case 'H':
x2 = cx = Number(path[i+1])
i += 2
abs = true
break
case 'V':
y2 = cy = Number(path[i+1])
i += 2
abs = true
break
case 'c':
x2 = cx = cx + Number(path[i+5])
y2 = cy = cy + Number(path[i+6])
i += 7
abs = false
break
case 'l':
i += 1
abs = false
break
case 'h':
x2 = cx = cx + Number(path[i+1])
i += 2
abs = false
break
case 'v':
y2 = cy = cy + Number(path[i+1])
i += 2
abs = false
break
default:
if (abs) {
x2 = cx = Number(path[i+0])
y2 = cy = Number(path[i+1])
} else {
x2 = cx = cx + Number(path[i+0])
y2 = cy = cy + Number(path[i+1])
}
i += 2
break
}
}
}
for (let line of fs.readFileSync("tools/layout.svg", "utf-8").split("\n")) {
line = line.trim()
if (line.startsWith("<rect")) {
flush()
mode = "rect"
x = y = w = h = 0
}
else if (line.startsWith("<ellipse") || line.startsWith("<circle")) {
flush()
mode = "circle"
cx = cy = rx = ry = 0
}
else if (line.startsWith("<path")) {
flush()
mode = "path"
}
else if (line.startsWith("<g")) {
flush()
mode = "g"
}
else if (line.startsWith('x="'))
x = (Number(line.split('"')[1]))
else if (line.startsWith('y="'))
y = (Number(line.split('"')[1]))
else if (line.startsWith('width="'))
w = (Number(line.split('"')[1]))
else if (line.startsWith('height="'))
h = (Number(line.split('"')[1]))
else if (line.startsWith('cx="'))
cx = (Number(line.split('"')[1]))
else if (line.startsWith('cy="'))
cy = (Number(line.split('"')[1]))
else if (line.startsWith('r="'))
rx = ry = (Number(line.split('"')[1]))
else if (line.startsWith('rx="'))
rx = (Number(line.split('"')[1]))
else if (line.startsWith('ry="'))
ry = (Number(line.split('"')[1]))
else if (line.startsWith('inkscape:label="') && mode === "g")
group = line.split('"')[1]
else if (line.startsWith('inkscape:label="') && mode !== "g")
name = line.split('"')[1]
else if (line.startsWith('d="'))
parse_path_data(line.split('"')[1].split(/[ ,]/))
if (line.includes("</tspan>")) {
let name = line.replace(/^[^>]*>/, "").replace(/<\/tspan.*/, "")
if (name in labels_uniq)
console.log("DUPLICATE LABEL", name)
labels.push({x, y, name})
labels_uniq[name] = 1
}
}
flush()
function find_label(x, y, limit) {
let nd = Infinity, nn = null
for (let n of labels) {
let d = Math.hypot(n.x - x, n.y - y)
if (d < nd) {
nd = d
nn = n
}
}
if (!nn || nd > limit) {
console.log("LABEL NOT FOUND", x, y)
return null
}
return nn.name
}
for (let group in points) {
for (let item of points[group]) {
if (item.name === null) {
item.name = find_label(item.x, item.y, 72)
}
}
}
for (let group in boxes) {
for (let item of boxes[group]) {
if (item.name === null) {
item.name = find_label(item.x+item.w/2, item.y+item.w/2, 72)
}
}
}
for (let group in edges) {
for (let item of edges[group]) {
item.name1 = find_label(item.x1, item.y1, 72)
item.name2 = find_label(item.x2, item.y2, 72)
}
}
fs.writeFileSync("tools/layout.json", JSON.stringify({boxes,points,edges,labels}, null, 4))
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