/// <summary>
/// Get value of the switch.
/// </summary>
public T GetValue <T>
(
[NotNull] string name,
[CanBeNull] T defaultValue
)
{
Code.NotNullNorEmpty(name, "name");
CommandLineSwitch found = GetSwitch(name);
T result = ReferenceEquals(found, null)
? defaultValue
: ConversionUtility.ConvertTo <T>(found.Value);
return(result);
}
public string GetValue
(
[NotNull] string name,
[CanBeNull] string defaultValue
)
{
Code.NotNullNorEmpty(name, "name");
CommandLineSwitch found = GetSwitch(name);
string result = ReferenceEquals(found, null)
? defaultValue
: found.Value;
return(result);
}
private CommandLineSwitch _ParseSwitch
(
string text
)
{
if (text.Length < 2)
{
Log.Error
(
"CommandLineParser::_ParseSwitch: "
+ "premature end of text"
);
throw new ArgumentException();
}
CommandLineSwitch result = new CommandLineSwitch();
text = text.Substring(1);
if (text.ContainsCharacter(CommandLineSettings.ValueSeparator))
{
char[] separators
= { CommandLineSettings.ValueSeparator };
string[] parts = StringUtility.SplitString(text, separators, 2);
if (string.IsNullOrEmpty(parts[0]) ||
string.IsNullOrEmpty(parts[1]))
{
Log.Error
(
"CommandLineParser::_ParseSwitch: "
+ "empty switch value"
);
throw new ArgumentException();
}
result.Name = parts[0];
result.Value = parts[1];
}
else
{
result.Name = text;
}
return(result);
}
public ParsedCommandLine AddSwitch
(
[NotNull] string name
)
{
Code.NotNullNorEmpty(name, "name");
CommandLineSwitch item = GetSwitch(name);
if (ReferenceEquals(item, null))
{
item = new CommandLineSwitch(name);
Switches.Add(item);
}
return(this);
}
public string[] GetValues
(
[NotNull] string name,
[NotNull] string[] defaultValue
)
{
Code.NotNullNorEmpty(name, "name");
Code.NotNull(defaultValue, "defaultValue");
CommandLineSwitch found = GetSwitch(name);
string[] result = found == null
? defaultValue
: found.Values.ToArray();
return(result);
}
public ParsedCommandLine AddSwitch
(
[NotNull] CommandLineSwitch otherSwitch
)
{
Code.NotNull(otherSwitch, "otherSwitch");
CommandLineSwitch thisSwitch
= GetSwitch(otherSwitch.Name);
if (ReferenceEquals(thisSwitch, null))
{
Switches.Add(otherSwitch);
}
else
{
foreach (string value in otherSwitch.Values)
{
thisSwitch.AddValue(value);
}
}
return(this);
}
public ParsedCommandLine Parse
(
[NotNull][ItemNotNull] string[] arguments
)
{
Code.NotNull(arguments, "arguments");
ParsedCommandLine result = new ParsedCommandLine();
foreach (string argument in arguments)
{
if (string.IsNullOrEmpty(argument))
{
Log.Error
(
"CommandLineParser::Parse: "
+ "empty argument"
);
throw new ArgumentException();
}
char firstChar = argument[0];
if (firstChar == CommandLineSettings.ArgumentDelimiter)
{
if (argument.Length == 1)
{
Log.Error
(
"CommandLineParser::Parse: "
+ "premature end of argument"
);
throw new ArgumentException();
}
if (argument[argument.Length - 1] != '"')
{
Log.Error
(
"CommandLineParser::Parse: "
+ "unclosed colon"
);
throw new ArgumentException();
}
string trimmed = argument.Substring(1, argument.Length - 2);
if (trimmed.Length == 0)
{
result.PositionalArguments.Add(string.Empty);
continue;
}
char secondChar = trimmed[0];
if (secondChar == CommandLineSettings.ResponsePrefix)
{
#if !WINMOBILE && !PocketPC
string fileName = trimmed.Substring(1);
ParsedCommandLine inner = ParseFile(fileName);
result.Merge(inner);
#endif
}
else if (secondChar == CommandLineSettings.SwitchPrefix)
{
CommandLineSwitch item = _ParseSwitch(trimmed);
result.AddSwitch(item);
}
else
{
result.PositionalArguments.Add(argument);
}
}
else if (firstChar == CommandLineSettings.ResponsePrefix)
{
#if !WINMOBILE && !PocketPC
string fileName = argument.Substring(1);
ParsedCommandLine inner = ParseFile(fileName);
result.Merge(inner);
#endif
}
else if (firstChar == CommandLineSettings.SwitchPrefix)
{
CommandLineSwitch item = _ParseSwitch(argument);
result.AddSwitch(item);
}
else
{
result.PositionalArguments.Add(argument);
}
}
return(result);
}
