/// <summary>
/// Prints program usage message.
/// </summary>
private static void ShowUsage(ExampleRunner runner)
{
string exeName = Path.GetFileName(Assembly.GetExecutingAssembly().FullName);
Console.WriteLine("Runs Google Ads API code examples");
Console.WriteLine("Usage : {0} examplename [flags]\n", exeName);
Console.WriteLine($"Supported examples: \n");
runner.PrintAvailableExamples();
Console.WriteLine("Press [Enter] to continue");
Console.ReadLine();
}
/// <summary>
/// Runs the examples from command line arguments.
/// </summary>
/// <param name="args">The command line arguments.</param>
/// <returns>The application's exit code. The valid return codes are:
/// /// <list type="bullet">
/// <item><description>0. The code example ran successfully.</description></item>
/// <item><description>1. The code example threw an exception and did not complete
/// successfully.</description></item>
/// <item><description>2. The application was invoked with an incorrect command line
/// argument.</description></item>
/// </list>
/// </returns>
private static int RunExamplesFromCommandLineArguments(string[] args)
{
ExampleRunner runner = new ExampleRunner();
runner.LoadCodeExamples(Assembly.GetExecutingAssembly());
if (args.Length == 0)
{
// Bad command line parameter.
ShowUsage(runner);
return(2);
}
string exampleName = args[0];
try
{
runner.Run(exampleName, args.Skip(1));
return(0);
}
catch (Exception e) when(e is KeyNotFoundException)
{
// First arg is not a valid example name.
Console.WriteLine("First arg is not a valid example name");
ShowUsage(runner);
return(2);
}
catch (Exception e) when(e is ArgumentException)
{
// Args passed to runner are invalid
Console.WriteLine(e.Message);
Console.WriteLine(ExampleBase.GetUsage(runner.GetCodeExampleType(exampleName)));
return(2);
}
catch (Exception e)
{
// Indicates a failure due to an unhandled exception.
Console.WriteLine(e.Message);
return(1);
}
}
/// <summary>
/// Runs the examples from command line arguments.
/// </summary>
/// <param name="args">The command line arguments.</param>
/// <returns>The application's exit code. The valid return codes are:
/// /// <list type="bullet">
/// <item><description>0. The code example ran successfully.</description></item>
/// <item><description>1. The code example threw an exception and did not complete
/// successfully.</description></item>
/// <item><description>2. The application was invoked with an incorrect command line
/// argument.</description></item>
/// </list>
/// </returns>
private static int RunExamplesFromCommandLineArguments(string[] args)
{
ExampleRunner runner = new ExampleRunner();
runner.LoadCodeExamples(Assembly.GetExecutingAssembly());
if (args.Length == 0)
{
// Bad command line parameter.
ShowUsage(runner);
return(2);
}
GoogleAdsClient session = new GoogleAdsClient();
string exampleName = args[0];
try
{
// Optional: Turn on profiling to see how long an API call takes.
// runner.RunWithProfiling(exampleName, session, args);
runner.Run(exampleName, session, args.Skip(1));
return(0);
}
catch (TargetInvocationException)
{
// Indicates a failure due to an unhandled exception.
return(1);
}
catch (Exception e) when(e is KeyNotFoundException || e is ArgumentException ||
e is TargetParameterCountException)
{
// Bad command line parameter.
// Note: There are a couple more exceptions that the runner may throw, but all
// those indicate a failure with the runner implementation than a code example
// failure.
ShowUsage(runner);
return(2);
}
}
/// <summary>
/// Runs the examples from command line arguments.
/// </summary>
/// <param name="args">The command line arguments.</param>
private static void RunExamplesFromCommandLineArguments(string[] args)
{
ExampleRunner runner = new ExampleRunner();
runner.LoadCodeExamples(Assembly.GetExecutingAssembly());
if (args.Length == 0)
{
ShowUsage(runner);
return;
}
GoogleAdsClient session = new GoogleAdsClient();
string exampleName = args[0];
try
{
runner.Run(exampleName, session, args.Skip(1));
}
catch (KeyNotFoundException)
{
ShowUsage(runner);
}
}