public void GetCommand()
{
var commandNoArgs = new Command {
Name = "no-args", Path = "entry.exe"
};
var commandArgs1 = new Command {
Name = "args1", Path = "entry.exe", Arguments = { "--arg1", "long argument" }
};
var commandArgs2 = new Command {
Name = "args2", Path = "entry.exe", Arguments = { "--arg2", "long argument" }
};
var provider = new CommandMapper("installation directory", new[] { commandNoArgs, commandArgs1, commandArgs2 });
provider.GetCommand("installation directory" + Path.DirectorySeparatorChar + "entry.exe", out string additionalArgs)
.Should().BeSameAs(commandNoArgs);
additionalArgs.Should().Be("");
provider.GetCommand("\"installation directory" + Path.DirectorySeparatorChar + "entry.exe\" --arg1", out additionalArgs)
.Should().BeSameAs(commandNoArgs);
additionalArgs.Should().Be("--arg1");
provider.GetCommand("\"installation directory" + Path.DirectorySeparatorChar + "entry.exe\" --arg1 \"long argument\" bla", out additionalArgs)
.Should().BeSameAs(commandArgs1);
additionalArgs.Should().Be("bla");
provider.GetCommand("\"installation directory" + Path.DirectorySeparatorChar + "entry.exe\" --arg2 \"long argument\" bla", out additionalArgs)
.Should().BeSameAs(commandArgs2);
additionalArgs.Should().Be("bla");
provider.GetCommand("Something" + Path.DirectorySeparatorChar + "else.exe", out additionalArgs)
.Should().BeNull();
}
/// <summary>
/// Retrieves data about a verb (an executable command) from the registry.
/// </summary>
/// <param name="typeKey">The registry key containing information about the file type / protocol the verb belongs to.</param>
/// <param name="commandMapper">Provides best-match command-line to <see cref="Command"/> mapping.</param>
/// <param name="verbName">The internal name of the verb.</param>
/// <returns>The detected <see cref="Verb"/> or an empty <see cref="Verb"/> if no match was found.</returns>
private static Verb?GetVerb(RegistryKey typeKey, CommandMapper commandMapper, string verbName)
{
#region Sanity checks
if (typeKey == null)
{
throw new ArgumentNullException(nameof(typeKey));
}
if (string.IsNullOrEmpty(verbName))
{
throw new ArgumentNullException(nameof(verbName));
}
if (commandMapper == null)
{
throw new ArgumentNullException(nameof(commandMapper));
}
#endregion
using var verbKey = typeKey.OpenSubKey(@"shell\" + verbName);
if (verbKey == null)
{
return(null);
}
string?description = verbKey.GetValue("")?.ToString();
string?commandLine;
using (var commandKey = verbKey.OpenSubKey("command"))
{
if (commandKey == null)
{
return(null);
}
commandLine = commandKey.GetValue("")?.ToString();
}
if (string.IsNullOrEmpty(commandLine))
{
return(null);
}
var command = commandMapper.GetCommand(commandLine, out string?additionalArgs);
if (command == null)
{
return(null);
}
var verb = new Verb
{
Name = verbName,
Command = (command.Name == Command.NameRun) ? null : command.Name,
ArgumentsLiteral = additionalArgs
};
if (!string.IsNullOrEmpty(description))
{
verb.Descriptions.Add(description);
}
return(verb);
}