Tools: Moved some utility functions to @joplin/utils to reduce dependencies between packages

packages/utils/splitCommandString.ts

@@ -0,0 +1,73 @@
+export default (command: string, options: any = null) => {
+	options = options || {};
+	if (!('handleEscape' in options)) {
+		options.handleEscape = true;
+	}
+
+	const args = [];
+	let state = 'start';
+	let current = '';
+	let quote = '"';
+	let escapeNext = false;
+	for (let i = 0; i < command.length; i++) {
+		const c = command[i];
+
+		if (state === 'quotes') {
+			if (c !== quote) {
+				current += c;
+			} else {
+				args.push(current);
+				current = '';
+				state = 'start';
+			}
+			continue;
+		}
+
+		if (escapeNext) {
+			current += c;
+			escapeNext = false;
+			continue;
+		}
+
+		if (c === '\\' && options.handleEscape) {
+			escapeNext = true;
+			continue;
+		}
+
+		if (c === '"' || c === '\'') {
+			state = 'quotes';
+			quote = c;
+			continue;
+		}
+
+		if (state === 'arg') {
+			if (c === ' ' || c === '\t') {
+				args.push(current);
+				current = '';
+				state = 'start';
+			} else {
+				current += c;
+			}
+			continue;
+		}
+
+		if (c !== ' ' && c !== '\t') {
+			state = 'arg';
+			current += c;
+		}
+	}
+
+	if (state === 'quotes') {
+		throw new Error(`Unclosed quote in command line: ${command}`);
+	}
+
+	if (current !== '') {
+		args.push(current);
+	}
+
+	if (args.length <= 0) {
+		throw new Error('Empty command line');
+	}
+
+	return args;
+};