/// <summary>
/// Constructs and prints out a help string for all <see cref="CommandLineCommand"/> classes supported by this program
/// </summary>
/// <param name="manipulator">Unused parameter</param>
public override void PerformFunction(MySqlDataManipulator manipulator)
{
var commands = ReflectionHelper.GetAllCommands();
string format = "Command{0}:\n\tKeyed Arguments: {1}\n\tPositional Arguments: {2}\n";
int index = 1;
foreach (CommandLineMapping mapping in commands)
{
//Determine all keyed and positional arguments required by the current command
//these arguments are determined by the attributes applied to the fields of the current command
List <string> keyedArguments = new List <string>();
List <string> positionalArguments = new List <string>();
foreach (FieldInfo f in mapping.KeyedFields)
{
KeyedArgument arg = (KeyedArgument)System.Attribute.GetCustomAttribute(f, typeof(KeyedArgument));
string toAdd = null;
if (arg.ValueRequired)
{
toAdd = arg.Key + ' ' + arg.RequiredValue;
}
else
{
toAdd = arg.Key + ' ' + "%" + f.Name + "%: " + f.FieldType.Name;
}
keyedArguments.Add(toAdd);
}
foreach (FieldInfo f in mapping.PositionalFields)
{
PositionalArgument arg = (PositionalArgument)System.Attribute.GetCustomAttribute(f, typeof(PositionalArgument));
while (arg.Position >= positionalArguments.Count)
{
positionalArguments.Add(null);
}
positionalArguments[arg.Position] = "\"%" + f.Name + "%\": " + f.FieldType.Name;
}
//Display the formatted help string
string toPrint = string.Format(format, index, string.Join(' ', keyedArguments), string.Join(' ', positionalArguments));
Console.WriteLine(toPrint);
index++;
}
}
/// <summary>
/// Analyzes the command lines stored in <paramref name="argumentsIn"/> and performs any company or user creation necessary
/// </summary>
/// <param name="manipulatorIn">Object to use to access the database if needed</param>
/// <param name="argumentsIn">The command line arguments to analyze</param>
/// <returns>True if there was a creation request made (thus the program should terminate), false otherwise (the program should continue onward)</returns>
public static bool PerformRequestedCreation(MySqlDataManipulator manipulatorIn, CommandLineArgumentParser argumentsIn)
{
var commands = ReflectionHelper.GetAllCommands();
foreach (CommandLineMapping mapping in commands)
{
if (mapping.KeyedFields.Count != argumentsIn.KeyedArguments.Count)
{
continue;
}
if (mapping.PositionalFields.Count != argumentsIn.PositionalArguments.Count)
{
continue;
}
bool keysPresent = true;
foreach (FieldInfo f in mapping.KeyedFields)
{
KeyedArgument arg = (KeyedArgument)System.Attribute.GetCustomAttribute(f, typeof(KeyedArgument));
if (!argumentsIn.KeyedArguments.ContainsKey(arg.Key))
{
keysPresent = false;
break;
}
if (arg.ValueRequired && !argumentsIn.KeyedArguments[arg.Key].Equals(arg.RequiredValue))
{
keysPresent = false;
break;
}
object value = null;
if (f.FieldType.IsPrimitive)
{
value = f.FieldType.GetMethod("Parse", new[] { typeof(string) }).Invoke(null, new[] { argumentsIn.KeyedArguments[arg.Key] });
}
else if (f.FieldType.Equals(typeof(string)))
{
value = argumentsIn.KeyedArguments[arg.Key];
}
else
{
throw new ArgumentException("Non primitive field marked as a Keyed Argument in class " + mapping.Command.GetType());
}
f.SetValue(mapping.Command, value);
}
if (!keysPresent)
{
continue;
}
keysPresent = true;
foreach (FieldInfo f in mapping.PositionalFields)
{
PositionalArgument arg = (PositionalArgument)System.Attribute.GetCustomAttribute(f, typeof(PositionalArgument));
if (arg.Position > mapping.PositionalFields.Count)
{
keysPresent = false;
break;
}
object value = null;
if (f.FieldType.IsPrimitive)
{
value = f.FieldType.GetMethod("Parse", new[] { typeof(string) }).Invoke(null, new[] { argumentsIn.PositionalArguments[arg.Position] });
}
else if (f.FieldType.Equals(typeof(string)))
{
value = argumentsIn.PositionalArguments[arg.Position];
}
else
{
throw new ArgumentException("Non primitive, Non string field marked as a Positional Argument in class " + mapping.Command.GetType());
}
f.SetValue(mapping.Command, value);
}
if (!keysPresent)
{
continue;
}
mapping.Command.PerformFunction(manipulatorIn);
return(true);
}
return(false);
}