Run ADS Commands from Notebooks (#11069)

* Run commands

* cleanup

* Plumbed through error and message output

* undo unnecessary changes

* Remove change to fix tests

* pr feedback

src/sql/workbench/services/notebook/browser/utils.ts

@@ -13,3 +13,37 @@ export function tryMatchCellMagic(input: string): string {
 	let magicName = match && match[1];
 	return magicName;
 }
+
+/**
+ * When a cell is formatted in the following way, extract the commandId and args:
+ * %%ads_execute_command commandId arg1 arg2
+ * Extract the commandId and the two args
+ * @param input cell source
+ * @param magicName magic name
+ */
+export function extractCellMagicCommandPlusArgs(input: string, magicName: string): ICommandPlusArgs | undefined {
+	if (input && magicName && input.startsWith(`%%${magicName}`)) {
+		let commandNamePlusArgs = input.replace(`%%${magicName}`, '');
+		if (commandNamePlusArgs?.startsWith(' ')) {
+			// There needs to be a space between the magic name and the command id
+			commandNamePlusArgs = commandNamePlusArgs.slice(1);
+			let commandName = commandNamePlusArgs.split(' ')[0];
+			if (commandName) {
+				let args = commandNamePlusArgs.replace(commandName, '');
+				if (args?.startsWith(' ')) {
+					args = args.slice(1);
+				}
+				return {
+					commandId: commandName,
+					args: args
+				};
+			}
+		}
+	}
+	return undefined;
+}
+
+export interface ICommandPlusArgs {
+	commandId: string;
+	args: string;
+}