public static CommandArg GetCommandArg(this ParameterInfo pi)
{
var res = new CommandArg();
res.Name = pi.Name;
res.Type = pi.ParameterType;
res.IsOptional = pi.IsOptional || pi.ParameterType.IsNullable();
return res;
}
public void InterspersedFlagsDontClobberArgs()
{
var args = new CommandArg() { Type = typeof(string), IsOptional = false }
.And(new CommandArg() { Type = typeof(string), IsOptional = false })
.And(new CommandArg() { Name = "f1", Type = typeof(bool), IsOptional = true })
.And(new CommandArg() { Name = "f2", Type = typeof(bool), IsOptional = true });
var res = new CommandParser().Parse("a --f1 b --f2", args);
Assert.AreEqual("([0,a],[1,b],[f1,True],[f2,True])", res.Print());
}
public void Eval()
{
var io = new StringWriter();
var interp = new CommandInterpreter(io, io);
var args = new CommandArg() { Type = typeof(int) }.And(new CommandArg() { Type = typeof(int) });
interp.AddCommand("plus", args, (o, e, c) => o.WriteLine(c["0"].ConvertTo<int>() + c["1"].ConvertTo<int>()));
interp.Eval("plus 2 2");
Assert.AreEqual("4\r\n", io.ToString());
}
public void ExtraParamsThrowError()
{
var args = new CommandArg() { Type = typeof(string) }.List();
Assert.Throws<ParseException>(() => new CommandParser().Parse("a b", args));
}
public void BadTypeThrowsParseError()
{
var args = new CommandArg() { Name = "f1", Type = typeof(bool) }.List();
Assert.Throws<ParseException>(() => new CommandParser().Parse("--f1 abcd", args));
}
public void ParseTypedArgs()
{
var args = new CommandArg() { Name = "1", Type = typeof(bool), IsOptional = false }
.And(new CommandArg() { Name = "2", Type = typeof(int), IsOptional = false })
.And(new CommandArg() { Name = "3", Type = typeof(string), IsOptional = false });
var res = new CommandParser().Parse("false 42 abc", args);
Assert.AreEqual("([1,False],[2,42],[3,abc])", res.Print());
Assert.AreEqual(typeof(bool), res["1"].GetType());
Assert.AreEqual(typeof(int), res["2"].GetType());
Assert.AreEqual(typeof(string), res["3"].GetType());
}
public void ParseTwoInts()
{
var args = new CommandArg() { Name = "a", Type = typeof(int), IsOptional = false }
.And(new CommandArg() { Name = "b", Type = typeof(int), IsOptional = false });
var res = new CommandParser().Parse("2 2", args);
Assert.AreEqual("([a,2],[b,2])", res.Print());
}
public void ParseSwitches()
{
var args = new CommandArg() { Name = "s1", Type = typeof(string), IsOptional = true }
.And(new CommandArg() { Name = "s2", Type = typeof(bool), IsOptional = true });
var res = new CommandParser().Parse("-s1 val1 --s2 true", args);
Assert.AreEqual("([s1,val1],[s2,True])", res.Print());
}
public void ParseQuotedSwitches()
{
var args = new CommandArg() { Name = "s1", Type = typeof(string), IsOptional = true }
.And(new CommandArg() { Name = "s2", Type = typeof(string), IsOptional = true });
var res = new CommandParser().Parse("-s1 abc -s2 \"switch with space\"", args);
Assert.AreEqual("([s1,abc],[s2,switch with space])", res.Print());
}
public void ParseOptionalArgsPositionally()
{
var args = new CommandArg() { Type = typeof(string), Name = "dbname", IsOptional = true }.List();
var res = new CommandParser().Parse("foosums", args);
Assert.AreEqual("([dbname,foosums])", res.Print());
}
public void ParseFlags()
{
var args = new CommandArg() { Name = "flag1", Type = typeof(bool), IsOptional = true }
.And(new CommandArg() { Name = "flag2", Type = typeof(bool), IsOptional = true });
var res = new CommandParser().Parse("-flag1 --flag2", args);
Assert.AreEqual("([flag1,True],[flag2,True])", res.Print());
}
public void ParseArgsSwitchesFlags()
{
var args = new CommandArg() { Type = typeof(string)}
.And(new CommandArg() { Type = typeof(int)})
.And(new CommandArg() { Name = "f1", Type = typeof(bool), IsOptional = true })
.And(new CommandArg() { Name = "f2", Type = typeof(bool), IsOptional = true })
.And(new CommandArg() { Name = "s1", Type = typeof(string), IsOptional = true})
.And(new CommandArg() { Name = "s2", Type = typeof(bool), IsOptional = true});
var res = new CommandParser().Parse("abc --f1 --s2 false 42 -s1 \"some text\" -f2", args);
Assert.AreEqual("([0,abc],[1,42],[f1,True],[f2,True],[s1,some text],[s2,False])", res.Print());
}