public void TokenDefinition_IsInteger2()
{
var input = "0115 -1";
var tokenDefinition = new TokenDefinition(TokenType.Integer, IntegerRegex);
var match = tokenDefinition.Match(input);
Assert.IsTrue(match.IsMatch);
Assert.AreEqual("0115", match.Value);
Assert.AreEqual(" -1", match.RemainingText);
Assert.AreEqual(TokenType.Integer, match.TokenType);
}
public void CheckBlockOutTokenType3()
{
// Arrange
string stringInput = "}";
// Act
var actualResult = TokenDefinition.DefineTokenType(stringInput);
// Assert
Assert.AreEqual(ClassLibrary.Enum.TokenType.BlockOut, actualResult);
}
public void CheckNumberValueTokenType2()
{
// Arrange
string stringInput = "9";
// Act
var actualResult = TokenDefinition.DefineTokenType(stringInput);
// Assert
Assert.AreEqual(ClassLibrary.Enum.TokenType.NumberValue, actualResult);
}
public void CheckOperatorTokenType()
{
// Arrange
string stringInput = "-";
// Act
var actualResult = TokenDefinition.DefineTokenType(stringInput);
// Assert
Assert.AreEqual(ClassLibrary.Enum.TokenType.Operator, actualResult);
}
public void TokenDefinition_IsString1()
{
var input = "_asdf123";
var tokenDefinition = new TokenDefinition(TokenType.Identifier, IdentifierRegex);
var match = tokenDefinition.Match(input);
Assert.IsTrue(match.IsMatch);
Assert.AreEqual("_asdf123", match.Value);
Assert.AreEqual(string.Empty, match.RemainingText);
Assert.AreEqual(TokenType.Identifier, match.TokenType);
}
public void TokenDefinition_IsString1()
{
var input = "\"asdf\\n\"";
var tokenDefinition = new TokenDefinition(TokenType.String, StringRegex);
var match = tokenDefinition.Match(input);
Assert.IsTrue(match.IsMatch);
Assert.AreEqual("\"asdf\\n\"", match.Value);
Assert.AreEqual(string.Empty, match.RemainingText);
Assert.AreEqual(TokenType.String, match.TokenType);
}
public void CodeDetectionTest()
{
string code = @"ASSET Test '1234'
MY_FUNCTION
{
there is code in here
}
";
List <TokenMatch> matches = new List <TokenMatch>();
TokenDefinition td = new TokenDefinition(TokenType.SUB, @"(\S+)\s*{([^}]*)}", 1);
matches.AddRange(td.FindMatches(code));
Assert.IsTrue(matches.Count == 1);
}
public void Remove_NonExistingTokenDefinition_ExpectsNoChange()
{
var tokenizer = new Tokenizer <TokenTypeTest>(TokenTypeTest.Invalid, TokenTypeTest.Eol, TokenTypeTest.Eof, false);
var td1 = new TokenDefinition <TokenTypeTest>(TokenTypeTest.D, "");
tokenizer.Add(td1);
var td2 = new TokenDefinition <TokenTypeTest>(TokenTypeTest.E, "");
tokenizer.Remove(td2);
Assert.Single(tokenizer.TokenDefinitions);
}
public void SetTokens(TokenDefinition token, int playerId, int amount)
{
TokenBunch bunch = Tokens
.Where(t => t.PlayerId == playerId && t.Token.Id == token.Id)
.FirstOrDefault();
if (bunch != null)
{
AddTokens(token, playerId, amount - bunch.Amount);
}
else
{
AddTokens(token, playerId, amount);
}
}
public void AddTokens(TokenDefinition token, int playerId, int amount)
{
TokenBunch bunch = Tokens
.Where(t => t.PlayerId == playerId && t.Token.Id == token.Id)
.FirstOrDefault();
if (bunch == null)
{
Tokens.Add(new TokenBunch(token, amount, playerId));
}
else
{
bunch.Amount += amount;
}
}
public int GetTokenAmount(TokenDefinition token, int playerId = -1)
{
if (playerId == -1)
{
return(Tokens
.Where(t => t.Token.Id == token.Id)
.Sum(t => t.Amount));
}
TokenBunch bunch = Tokens
.Where(t => t.PlayerId == playerId && t.Token.Id == token.Id)
.FirstOrDefault();
return(bunch != null ? bunch.Amount : 0);
}
public void RemoveWhitespaceCheck2()
{
// Arrange
string stringInput = "(4 /3) +4";
string expectedResult = "(4/3)+4";
// Act
var actualResult = TokenDefinition.SanitizeString(stringInput);
// Assert
Assert.AreEqual(expectedResult, actualResult);
}
public void FindMatches_TokenProperties_MatchDefinition(int precedence, bool hasVariableValue, string location)
{
var td = new TokenDefinition <TokenTypeTest>(TokenTypeTest.MyToken2, ".+", null, precedence, hasVariableValue, null, -1, true);
var matches = td.FindMatches("hello_world", 5);
foreach (Token <TokenTypeTest> match in matches)
{
Assert.Equal(TokenTypeTest.MyToken2, match.TokenType);
Assert.Equal(precedence, match.Precedence);
Assert.Equal(hasVariableValue, match.HasVariableValue);
Assert.Equal(5, match.LineNumber);
Assert.Equal(location, match.Location);
}
}
public void SetTokensToElement(TokenDefinition token, ElementInstance element, int amount)
{
if (amount < 0)
{
return;
}
int currentAmount = element.GetTokenAmount(token, Id);
int diff = amount - currentAmount;
if (diff <= GetTokenAmount(token))
{
element.AddTokens(token, Id, diff);
AddTokens(token, Id, -diff);
}
}
public void TokenDefinition_IsReserved_ReturnWithNewline()
{
var input = "return\nasdf";
var reservedRegex = RegexWrapper.DefaultWrap(ReservedProvider.GetPattern());
var tokenDefinition = new TokenDefinition(TokenType.Reserved, reservedRegex);
var match = tokenDefinition.Match(input);
Assert.IsTrue(match.IsMatch);
Assert.AreEqual("return", match.Value);
Assert.AreEqual("\nasdf", match.RemainingText);
Assert.AreEqual(TokenType.Reserved, match.TokenType);
}
public void set_escape()
{
var td = new TokenDefinition(new[] { "[a-z]" });
Assert.AreEqual(5, td.MaximumLength);
Assert.IsTrue(td.StartsWith('['));
Assert.IsFalse(td.StartsWith('x'));
Assert.AreEqual("\\G(\\[a-z])", td.ToString());
Assert.AreEqual(0, td.MatchLength("x[a-z]x", 0));
Assert.AreEqual(5, td.MatchLength("x[a-z]x", 1));
Assert.AreEqual(0, td.MatchLength("x[a-z]x", 2));
}
public void SanitizeStringCheck2()
{
// Arrange
string stringInput = "(4%/2$)^(1££/3@)";
string expectedResult = "(4/2)^(1/3)";
// Act
string actualResult = TokenDefinition.SanitizeString(stringInput);
// Assert
Assert.AreEqual(expectedResult, actualResult);
}
public void TokenDefinition_IsInvalid1()
{
var input = "fake_int a=32;";
var reservedRegex = RegexWrapper.DefaultWrap(ReservedProvider.GetPattern());
var tokenDefinition = new TokenDefinition(TokenType.Reserved, reservedRegex);
var match = tokenDefinition.Match(input);
Assert.IsFalse(match.IsMatch);
Assert.IsNull(match.Value);
Assert.IsNull(match.RemainingText);
Assert.AreEqual(TokenType.Invalid, match.TokenType);
}
public void TokenDefinition_IsReserved_Integer()
{
var input = "int a=32;";
var reservedRegex = RegexWrapper.DefaultWrap(ReservedProvider.GetPattern());
var tokenDefinition = new TokenDefinition(TokenType.Reserved, reservedRegex);
var match = tokenDefinition.Match(input);
Assert.IsTrue(match.IsMatch);
Assert.AreEqual("int", match.Value);
Assert.AreEqual(" a=32;", match.RemainingText);
Assert.AreEqual(TokenType.Reserved, match.TokenType);
}
public void SanitizeStringCheck1()
{
// Arrange
string stringInput = "4$+£3:;;/2";
string expectedResult = "4+3/2";
// Act
string actualResult = TokenDefinition.SanitizeString(stringInput);
// Assert
Assert.AreEqual(expectedResult, actualResult);
}
public Parser(IRobotInstructionHandler[] instructionHandlers)
{
var defs = new TokenDefinition[]
{
new TokenDefinition(@"(([-+]?[1-9][0-9]*)|0)", "int"),
new TokenDefinition(@"[a-zA-Z]", "char")
};
_lexer = new Lexer(defs);
_dispatcher = new Dictionary <char, Func <IEnumerator <string[]>, Instruction> >();
foreach (var rc in instructionHandlers)
{
_dispatcher.Add(rc.Key, rc.ParseArguments);
}
}
public void regex()
{
var re = new Regex("abc");
var td = new TokenDefinition(re);
Assert.AreEqual(int.MaxValue, td.MaximumLength);
Assert.IsTrue(td.StartsWith('a'));
Assert.IsTrue(td.StartsWith('x'));
Assert.AreEqual(0, td.MatchLength("xabcx", 0));
Assert.AreEqual(3, td.MatchLength("xabcx", 1));
Assert.AreEqual(0, td.MatchLength("xabcx", 2));
Assert.AreEqual("abc", td.ToString());
}
private string getTokenRegex(TokenDefinition definition)
{
StringBuilder regexBuilder = new StringBuilder();
regexBuilder.Append(@"\G\s*(?<Token>");
if (definition.IgnoreCase)
{
regexBuilder.Append("(?i)");
}
regexBuilder.Append(definition.Regex);
if (definition.IgnoreCase)
{
regexBuilder.Append("(?-i)");
}
regexBuilder.Append(")");
return(regexBuilder.ToString());
}
public void set_case_insensitive()
{
var td = new TokenDefinition(new[] { "ab", "abc", "bc" }, caseSensitive: false);
Assert.AreEqual(3, td.MaximumLength);
Assert.IsTrue(td.StartsWith('a'));
Assert.IsTrue(td.StartsWith('A'));
Assert.IsFalse(td.StartsWith('x'));
Assert.AreEqual("\\G(abc|ab|bc)", td.ToString());
Assert.AreEqual(0, td.MatchLength("xabcx", 0));
Assert.AreEqual(3, td.MatchLength("xabcx", 1));
Assert.AreEqual(2, td.MatchLength("xabcx", 2));
Assert.AreEqual(3, td.MatchLength("xaBcx", 1));
}
/// <summary>
/// Transforms text into list of <see cref="Token"/> objects based on rules.
/// </summary>
/// <param name="source">Text to tokenize.</param>
/// <returns>Returns list of tokenized items.</returns>
public IEnumerable <Token> Tokenize(string source)
{
int currentIndex = 0;
while (currentIndex < source.Length)
{
if (source[currentIndex] == ' ')
{
currentIndex++;
continue;
}
TokenDefinition matchedDefinition = null;
int matchLength = 0;
foreach (var rule in _tokenDefinitions)
{
var match = rule.Pattern.Match(source, currentIndex);
if (!match.Success || (match.Index - currentIndex) != 0)
{
continue;
}
matchedDefinition = rule;
matchLength = match.Length;
break;
}
if (matchedDefinition == null)
{
throw new Exception(string.Format("Unrecognized symbol '{0}'.", source[currentIndex]));
}
var value = source.Substring(currentIndex, matchLength);
if (!matchedDefinition.IsIgnored)
{
yield return(new Token(matchedDefinition.Type, value));
}
currentIndex += matchLength;
}
yield return(new Token(TokenType.LastToken, string.Empty));
}
public void set()
{
var td = new TokenDefinition(new[] { "ab", "abc", "bc" });
Assert.AreEqual(3, td.MaximumLength);
Assert.IsTrue(td.StartsWith('a'));
Assert.IsTrue(td.StartsWith('A')); // Approximation, may change in the future
Assert.IsFalse(td.StartsWith('x'));
Assert.AreEqual("\\G(abc|ab|bc)", td.ToString());
Assert.AreEqual(0, td.MatchLength("xabcx", 0));
Assert.AreEqual(3, td.MatchLength("xabcx", 1));
Assert.AreEqual(2, td.MatchLength("xabcx", 2));
Assert.AreEqual(0, td.MatchLength("xaBcx", 1));
}
/// <summary>
/// Associates the given token name to the regular expression that
/// tokens of that type are expected to match.
/// </summary>
/// <param name="tokenName">The type of the token to associate the regular expression with.</param>
/// <param name="regex">The regular expression that the token is expected match.</param>
/// <param name="ignoreCase">Specifies whether the regex should be case-sensitive.</param>
/// <remarks>
/// Multiple regular expressions can be registered to the same token name.
/// They will be tried in the order that they are defined.
/// </remarks>
public void Define(string tokenName, string regex, bool ignoreCase = false)
{
if (definitionLookup.ContainsKey(tokenName))
{
string message = String.Format("An attempt was made to define two tokens with the same name: {0}.", tokenName);
throw new SQLGenerationException(message);
}
tokenNames.Add(tokenName);
TokenDefinition definition = new TokenDefinition()
{
Type = tokenName,
Regex = regex,
IgnoreCase = ignoreCase,
};
definitionLookup.Add(tokenName, definition);
}
/// <summary>
/// Associates the given token name to the regular expression that
/// tokens of that type are expected to match.
/// </summary>
/// <param name="tokenName">The type of the token to associate the regular expression with.</param>
/// <param name="regex">The regular expression that the token is expected match.</param>
/// <param name="ignoreCase">Specifies whether the regex should be case-sensitive.</param>
/// <remarks>
/// Multiple regular expressions can be registered to the same token name.
/// They will be tried in the order that they are defined.
/// </remarks>
public void Define(string tokenName, string regex, bool ignoreCase = false)
{
if (definitionLookup.ContainsKey(tokenName))
{
string message = String.Format(Resources.DuplicateTokenDefinition, tokenName);
throw new SQLGenerationException(message);
}
tokenNames.Add(tokenName);
TokenDefinition definition = new TokenDefinition()
{
Type = tokenName,
Regex = regex,
IgnoreCase = ignoreCase,
};
definitionLookup.Add(tokenName, definition);
}
private int countMatches(StringBuilder current)
{
int matches = 0;
string currentString = current.ToString();
foreach (TokenDefinition t in tokenDefinitions)
{
if (t.Regex.IsMatch(currentString))
{
++matches;
currentMatch = t;
currentContents = currentString;
//Console.WriteLine("'{0}' matches '{1}'", t.Regex, currentString);
}
}
return(matches);
}
public void TokenDefinition_IsOperator2()
{
string[] input =
{
"{ 3 }"
};
var syntaxRegex = RegexWrapper.DefaultWrap(SyntaxProvider.GetPattern());
var tokenDefinition = new TokenDefinition(TokenType.SyntaxOperator, syntaxRegex);
var tokensGenerated = _tokenizer.Tokenize(input).ToList();
var operatorTokens = tokensGenerated.Where(t => t.TokenType == TokenType.SyntaxOperator).ToList();
Assert.IsTrue(operatorTokens.Any());
Assert.AreEqual(2, operatorTokens.Count());
Assert.IsNotNull(operatorTokens.FirstOrDefault(t => t.Value == "{"));
Assert.IsNotNull(operatorTokens.FirstOrDefault(t => t.Value == "}"));
}
public static void ColorToken(int token, TokenType type, TokenColor color, TokenTriggers trigger)
{
definitions[token] = new TokenDefinition(type, color, trigger);
}
public void AddDefinition(TokenDefinition tokenDefinition)
{
// no-op
}
public static void ColorToken(string tokenName, TokenType type, TokenColor color, TokenTriggers trigger)
{
definitions[tokenName] = new TokenDefinition(type, color, trigger);
}