public void canRead_length()
{
var reader = new StringReader("abc");
reader.CanRead(1).Should().BeTrue();
reader.CanRead(2).Should().BeTrue();
reader.CanRead(3).Should().BeTrue();
reader.CanRead(4).Should().BeFalse();
reader.CanRead(5).Should().BeFalse();
}
public void CanRead()
{
var reader = new StringReader("abc");
reader.CanRead().Should().BeTrue();
reader.Skip(); // 'a'
reader.CanRead().Should().BeTrue();
reader.Skip(); // 'b'
reader.CanRead().Should().BeTrue();
reader.Skip(); // 'c'
reader.CanRead().Should().BeFalse();
}
public static bool TryParseOffer(Discord.IUser user, Discord.IUser target, string input, out TradeOffer offer)
{
offer = null;
input = input.Trim();
var reader = new StringReader(input);
// item,amount item,amount item
bool requested = false;
bool remainder = false;
if (!reader.CanRead())
{
return(false); // throw new Exception("Expected a string to read but returned null");
}
var offered = new Dictionary <string, int>();
var requests = new Dictionary <string, int>();
while (reader.CanRead())
{
string arg;
int amount = 1;
if (!reader.GetRemaining().Contains(' '))
{
arg = reader.GetRemaining();
remainder = true;
}
else
{
arg = reader.ReadUntil(' ');
}
if (arg == Separator)
{
if (requested)
{
return(false); // throw new Exception("Offer separator has already been specified");
}
requested = true;
continue;
}
if (arg.Contains(','))
{
if (arg.Count(x => x == ',') > 1)
{
return(false); // throw new Exception("Expected a single comma separator");
}
int.TryParse(arg[arg.IndexOf(',')..], out amount);
public void TestParseGreedyString()
{
var reader = new StringReader("Hello world! This is a test.");
Arguments.GreedyString().Parse(reader).Should().BeEquivalentTo("Hello world! This is a test.");
reader.CanRead().Should().Be(false);
}
public IEnumerable <CommandNode <TSource> > GetRelevantNodes(StringReader input)
{
if (_literals.Count > 0)
{
var cursor = input.Cursor;
while (input.CanRead() && input.Peek() != ' ')
{
input.Skip();
}
var text = input.String.Substring(cursor, input.Cursor - cursor);
input.Cursor = cursor;
if (_literals.TryGetValue(text, out var literal))
{
yield return(literal);
}
else
{
foreach (var node in _arguments.Values)
{
yield return(node);
}
}
}
else
{
foreach (var node in _arguments.Values)
{
yield return(node);
}
}
}
public void Parse()
{
var reader = new StringReader("15");
Float().Parse(reader).Should().Be(15f);
reader.CanRead().Should().Be(false);
}
public void Parse()
{
var reader = new StringReader("15");
Arguments.Double().Parse(reader).Should().Be(15.0);
reader.CanRead().Should().Be(false);
}
public void UuidArgument_ShouldHaveTrailingCharacters()
{
// Arrange
UuidArgument argument = new UuidArgument();
IStringReader reader = new StringReader("1-2-3-4-5!!!");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsTrue(reader.CanRead(3));
}
public void TeamArgument_StringReaderShouldHaveTrailingCharacters()
{
// Arrange
TeamArgument argument = new TeamArgument();
IStringReader reader = new StringReader("foo!@#");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsTrue(reader.CanRead(3));
}
public void StringReader_ShouldHaveTrailingCharacters()
{
// Arrange
ResourceLocationArgument argument = new ResourceLocationArgument();
IStringReader reader = new StringReader("foo:barBAZ");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsTrue(reader.CanRead());
}
public void EntityArgument_ParseShouldSucceed_WithUuid()
{
// Arrange
EntityArgument argument = new EntityArgument();
IStringReader reader = new StringReader("1-2-3-4-5");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsFalse(reader.CanRead());
}
public void EntityArgument_ParseShouldSucceed_WithPlayername()
{
// Arrange
EntityArgument argument = new EntityArgument();
IStringReader reader = new StringReader("Steve");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsFalse(reader.CanRead());
}
public void ScoreHolderArgument_ShouldNotRead_SpaceCharacter()
{
// Arrange
ScoreHolderArgument argument = new ScoreHolderArgument();
IStringReader reader = new StringReader("foo bar");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsTrue(reader.CanRead(4));
}
public void MessageArgument_ParseShouldSucceed_WithInvalidSelectorType()
{
// Arrange
MessageArgument argument = new MessageArgument();
IStringReader reader = new StringReader("Hello @m! This is a test.");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsFalse(reader.CanRead());
}
public void MessageArgument_ParseShouldSucceed()
{
// Arrange
MessageArgument argument = new MessageArgument();
IStringReader reader = new StringReader("Hello world! This is a test.");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsFalse(reader.CanRead());
}
public void StringArgument_WithTypeWord_HasTrailingCharacters()
{
// Arrange
StringArgument argument = new StringArgument(StringType.WORD);
IStringReader reader = new StringReader("foo!@#");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsTrue(reader.CanRead(3));
}
public void StringArgument_ParseShouldSucceed_WithTypeGreedy()
{
// Arrange
StringArgument argument = new StringArgument(StringType.GREEDY);
IStringReader reader = new StringReader("Hello world! This is a test.");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsFalse(reader.CanRead());
}
private int Parse(StringReader reader)
{
var start = reader.Cursor;
if (reader.CanRead(Literal.Length))
{
var end = start + Literal.Length;
if (reader.String.Substring(start, end - start).Equals(Literal))
{
reader.Cursor = end;
if (!reader.CanRead() || reader.Peek() == ' ')
{
return(end);
}
else
{
reader.Cursor = start;
}
}
}
return(-1);
}
public void SwizzleArgument_ShouldNotRead_SpaceCharacter()
{
// Arrange
HashSet <char> characters = new HashSet <char>()
{
'a', 'b', 'c'
};
SwizzleArgument argument = new SwizzleArgument(characters);
IStringReader reader = new StringReader("ab c");
// Act
argument.Parse(reader, out _);
// Assert
Assert.IsTrue(reader.CanRead(2));
}
public InputResult TryParse(Input input)
{
var result = new InputResult();
result.Source = input.Text;
string text = input.Text;
// name parameters
if (text.StartsWith(Name, CaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase))
{
Logger.Debug($"Reading input: \"{text}\"");
result.IsSuccess = true;
result.Input = this;
var reader = new StringReader(text);
reader.Skip(Name.Length);
reader.SkipWhiteSpace();
while (reader.CanRead())
{
// TODO: Handle required arguments here.
string arg = reader.ReadUnquotedString();
reader.SkipWhiteSpace();
Logger.Debug($"Parsing argument: \"{arg}\"");
if (!string.IsNullOrWhiteSpace(arg))
{
result.Args.Add(arg);
}
else
{
result.IsSuccess = false;
break;
}
}
}
else
{
result.IsSuccess = false;
}
Logger.Debug($"Parsed {Name} ({result.IsSuccess})");
return(result);
}
// the input given would have to be: --name value
// -alias value
public bool TryParse(string input, out object result)
{
result = null;
var reader = new StringReader(input);
bool isExplicit = false;
bool isStart = true;
bool isArray = true;
string name = ""; // --NAME VALUE
var values = new List <object>();
var value = new StringBuilder(); // this is the builder for each value.
while (reader.CanRead())
{
char c = reader.Read();
if (isStart)
{
isStart = false;
if (c == '-')
{
if (reader.Peek() == '-')
{
isExplicit = true;
continue;
}
}
// If any of the aliases are specified, continue.
if (Aliases.Contains(reader.ReadString()))
{
if (Type == null)
{
return(true);
}
continue;
}
else
{
return(false);
}
}
if (isExplicit)
{
name = reader.ReadUnquotedString();
if (name != Name)
{
return(false);
}
else
{
if (Type == null)
{
return(true);
}
reader.SkipWhiteSpace(); // skip all of the whitespace between --NAME VALUE
continue;
}
}
if (isArray)
{
if (c == ']') // This is the end of the value, close reader.
{
reader.Skip();
result = values;
return(true);
}
if (c == ',') // This is a value separator, end and attach value.
{
if (TypeParser.TryParse(Type, value.ToString(), out result))
{
values.Add(result);
value.Clear();
continue;
}
}
value.Append(c);
continue;
}
if (reader.Peek() == '[') // This is the start of the value.
{
isArray = true;
continue;
}
return(TypeParser.TryParse(Type, reader.ReadString(), out result));
}
return(false);
}
