Trying reading dot file

Author: Gesugao-san

tools/dot_parser.js

@@ -6,6 +6,39 @@
 
 //import { parse } from 'ts-graphviz/ast';
 const ast = require('ts-graphviz/ast');
+const path = require('path');
+const fs = require('fs');
+
+const base_path = __dirname || process.cwd();
+const target_path = path.resolve(base_path + '\\..\\submodules\\SS13-Codebases\\src\\builds_all.dot');
+
+
+// https://stackoverflow.com/a/6833016/8175291
+async function readLines(input, func) {
+	var remaining = '';
+
+	input.on('data', function(data) {
+		remaining += data;
+		var index = remaining.indexOf('\n');
+		while (index > -1) {
+			var line = remaining.substring(0, index);
+			remaining = remaining.substring(index + 1);
+			func(line);
+			index = remaining.indexOf('\n');
+		}
+	});
+
+	input.on('end', function() {
+		if (remaining.length > 0) {
+			func(remaining);
+		}
+	});
+}
+
+function func(data) {
+	console.log('Line: ' + data);
+}
+
 
 // https://github.com/ts-graphviz/ts-graphviz#ts-graphvizast-module-
 function parse_example(_in) {
@@ -24,7 +57,32 @@ async function main() {
 			]
 		}
 	`;
-	console.log('parse:', parse_example(example));
+	//console.log('parse:', parse_example(example));
+
+
+	//var input = fs.createReadStream(target_path);
+	//await readLines(input, func);
+
+	let file_content_raw = fs.readFileSync(target_path, 'utf8'); //.replaceAll('\n', '\\n')
+	let file_content_arr = file_content_raw.split(/\r?\n|\r|\n/g); // https://stackoverflow.com/a/21712066/8175291
+	console.log('file_content_arr.length:', file_content_arr.length);
+	for (var i = 0; i < file_content_arr.length; i++) {
+		// https://stackoverflow.com/a/1981837/8175291
+		if (file_content_arr[i].includes('\\n')) {
+			let _content = file_content_arr[i];
+			console.log('> (\\n):', i, _content.trim().replaceAll(/  +/g, ' '));
+			file_content_arr[i] = file_content_arr[i].replaceAll('\\n', '_n');
+		}
+		else if (file_content_arr[i].includes('\\')) {
+			let _content = file_content_arr[i];
+			console.log('> (\\):', i, _content.trim().replaceAll(/  +/g, ' '));
+			file_content_arr[i] = file_content_arr[i].replaceAll('\\', '_');
+		}
+	}
+	file_content_raw = file_content_arr.join('\n');
+
+	console.log('readFileAsync:', file_content_raw);
+	console.log('parse:', parse_example(file_content_raw));
 
 	console.log('Bye');
 }