Start client.

1 files changed, 187 insertions, 0 deletions

diff --git a/tools/parse-layout.js b/tools/parse-layout.js
new file mode 100644
index 0000000..2060e17
--- /dev/null
+++ b/tools/parse-layout.js
@@ -0,0 +1,187 @@
+"use strict"
+
+const fs = require("fs")
+
+let circles = {}
+let rects = {}
+let edges = {}
+let mode, name, subname, x, y, w, h, cx, cy, rx, ry, x2, y2
+let labels = []
+
+function add_circle(cx, cy, rx, ry) {
+	if (!(name in circles))
+		circles[name] = {}
+	circles[name][subname] = {cx,cy,rx,ry}
+}
+
+function add_rect(x, y, w, h) {
+	if (!(name in rects))
+		rects[name] = {}
+	rects[name][subname] = {x,y,w,h}
+}
+
+function add_edge(x1, y1, x2, y2) {
+	if (name in edges)
+		edges[name].push({x1,y1,x2,y2})
+	else
+		edges[name] = [ {x1,y1,x2,y2} ]
+}
+
+function flush() {
+	if (mode === 'path') {
+		add_edge(x, y, x2, y2)
+	}
+	if (mode === 'rect') {
+		add_rect(x, y, w, h)
+	}
+	if (mode === 'circle') {
+		add_circle( cx, cy, rx, ry )
+	}
+	x = y = x2 = y2 = w = h = cx = cy = rx = ry = 0
+	subname = 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 = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('y="'))
+		y = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('width="'))
+		w = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('height="'))
+		h = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('cx="'))
+		cx = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('cy="'))
+		cy = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('r="'))
+		rx = ry = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('rx="'))
+		rx = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('ry="'))
+		ry = (Math.round(line.split('"')[1]))
+	else if (line.startsWith('inkscape:label="') && mode === "g")
+		name = line.split('"')[1]
+	else if (line.startsWith('inkscape:label="') && mode !== "g")
+		subname = 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.*/, "")
+		labels.push({x, y, name})
+	}
+}
+
+flush()
+
+function find_closest_node(list, x, y) {
+	let nd = Infinity, nn = null
+
+	for (let n of list) {
+		let d = Math.hypot(n.x - x, n.y - y)
+		if (d < nd) {
+			nd = d
+			nn = n
+		}
+	}
+
+	if (!nn) {
+		console.log("NOT FOUND", x, y)
+		return [ null, 0 ]
+	}
+
+	return [ nn, nd ]
+}
+
+console.log("const layout = " + JSON.stringify({ circles, rects }, null, "\t"))