private static INumerable BuildCount(List <Token> tokens)
{
List <Token> laterTokens = tokens.Skip(1).ToList();
if (laterTokens.Count == 0)
{
throw new SyntaxErrorException("ERROR! Expression 'count' do not contain all necessary information.");
}
if (TokenGroups.ContainsTokenOutsideBrackets(laterTokens, TokenType.Inside))
{
return(BuildCountInside(laterTokens));
}
else
{
IListable ilist = ListableBuilder.Build(laterTokens);
if (ilist.IsNull())
{
return(null);
}
else
{
return(new Count(ilist));
}
}
}
public static ICommand Build(List <Token> tokens, bool forced)
{
switch (tokens.First().GetTokenType())
{
case TokenType.Copy:
{
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.To))
{
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.As))
{
return(InterpreterCoreToAs.Build(tokens, forced));
}
else
{
return(InterpreterCoreTo.Build(tokens, forced));
}
}
else
{
return(InterpreterCore.Build(tokens));
}
}
case TokenType.Cut:
{
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.To))
{
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.As))
{
return(InterpreterCoreToAs.Build(tokens, forced));
}
else
{
return(InterpreterCoreTo.Build(tokens, forced));
}
}
else
{
return(InterpreterCore.Build(tokens));
}
}
case TokenType.CreateDirectory:
{
return(InterpreterCore.BuildCreate(tokens, forced, true));
}
case TokenType.CreateFile:
{
return(InterpreterCore.BuildCreate(tokens, forced, false));
}
case TokenType.Delete:
{
return(InterpreterCore.Build(tokens));
}
case TokenType.Drop:
{
return(InterpreterCore.Build(tokens));
}
case TokenType.Hide:
{
return(InterpreterCore.Build(tokens));
}
case TokenType.Lock:
{
return(InterpreterCore.Build(tokens));
}
case TokenType.Open:
{
return(InterpreterCore.Build(tokens));
}
case TokenType.Move:
{
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.To))
{
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.As))
{
return(InterpreterCoreToAs.Build(tokens, forced));
}
else
{
return(InterpreterCoreTo.Build(tokens, forced));
}
}
else
{
throw new SyntaxErrorException("ERROR! Move command do not contain destination directory.");
}
}
case TokenType.Reaccess:
{
if (tokens.Any(t => t.GetTokenType().Equals(TokenType.To)))
{
return(InterpreterCoreToTime.Build(tokens));
}
else
{
throw new SyntaxErrorException("ERROR! Reaccess command do not contain definition of new time.");
}
}
case TokenType.Recreate:
{
if (tokens.Any(t => t.GetTokenType().Equals(TokenType.To)))
{
return(InterpreterCoreToTime.Build(tokens));
}
else
{
throw new SyntaxErrorException("ERROR! Recreate command do not contain definition of new time.");
}
}
case TokenType.Remodify:
{
if (tokens.Any(t => t.GetTokenType().Equals(TokenType.To)))
{
return(InterpreterCoreToTime.Build(tokens));
}
else
{
throw new SyntaxErrorException("ERROR! Remodify command do not contain definition of new time.");
}
}
case TokenType.Rename:
{
if (tokens.Any(t => t.GetTokenType().Equals(TokenType.To)))
{
return(InterpreterCoreTo.Build(tokens, forced));
}
else
{
throw new SyntaxErrorException("ERROR! Rename command do not contain definition of new name.");
}
}
case TokenType.Unhide:
{
return(InterpreterCore.Build(tokens));
}
case TokenType.Unlock:
{
return(InterpreterCore.Build(tokens));
}
}
return(null);
}
public static IBoolable Build(List <Token> tokens)
{
/// INITIAL CHECKING
// check is is empty
if (tokens.Count == 0)
{
throw new SyntaxErrorException("ERROR! Variable declaration is empty.");
}
// check if contains not allowed tokens
Token wwtok = TokenGroups.WrongTokenInExpression(tokens);
if (!wwtok.GetTokenType().Equals(TokenType.Null))
{
return(null);
}
// check brackets
if (!Brackets.CheckCorrectness(tokens))
{
return(null);
}
// remove first and last bracket if it is there
while (tokens[0].GetTokenType().Equals(TokenType.BracketOn) && tokens[tokens.Count - 1].GetTokenType().Equals(TokenType.BracketOff) &&
!Brackets.ContainsIndependentBracketsPairs(tokens, BracketsType.Normal))
{
List <Token> tokensCopy = tokens.Select(t => t.Clone()).ToList();
tokensCopy.RemoveAt(tokens.Count - 1);
tokensCopy.RemoveAt(0);
tokens = tokensCopy;
}
// check is is empty again after removing brackets
if (tokens.Count == 0)
{
throw new SyntaxErrorException("ERROR! Variable declaration is empty.");
}
/// BOOL BUILDING
// try to build simple one-element Boolable
if (tokens.Count == 1)
{
if (tokens[0].GetTokenType().Equals(TokenType.Variable))
{
string str = tokens[0].GetContent();
if (InterVariables.GetInstance().Contains(str, InterVarType.Bool))
{
return(new BoolVariableRefer(str));
}
else
{
return(null);
}
}
if (tokens[0].GetTokenType().Equals(TokenType.BoolConstant))
{
if (tokens[0].GetContent().Equals("true"))
{
return(new BoolConstant(true));
}
else
{
return(new BoolConstant(false));
}
}
}
// try to build IN function
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.In))
{
IBoolable iboo = BuildIn(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build LIKE function
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.Like))
{
IBoolable iboo = BuildLike(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build BETWEEN function
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.And) &&
TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.Between))
{
IBoolable iboo = BuildBetween(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build time comparison IS AFTER/IS BEFORE
if (ContainsOneTimeComparingToken(tokens))
{
IBoolable iboo = BuildTimeComparison(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build comparison = != > < >= <=
if (ContainsOneComparingToken(tokens))
{
IBoolable iboo = BuildComparison(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build bool ternary
if (TernaryBuilder.IsPossibleTernary(tokens))
{
IBoolable iboo = TernaryBuilder.BuildBoolTernary(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build bool function
if (Functions.IsPossibleFunction(tokens))
{
IBoolable iboo = BoolFunction.Build(tokens);
if (!iboo.IsNull())
{
return(iboo);
}
}
// try to build expression: many elements with operators or, and, xor, not
if (ContainsLogicTokens(tokens))
{
return(BuildExpression(tokens));
}
else
{
return(null);
}
}
public static IListable Build(List <Token> tokens)
{
// try to build Stringable
IStringable ist = StringableBuilder.Build(tokens);
if (!ist.IsNull())
{
return(ist as IListable);
}
// remove first and last bracket if it is there
while (tokens[0].GetTokenType().Equals(TokenType.BracketOn) && tokens[tokens.Count - 1].GetTokenType().Equals(TokenType.BracketOff) &&
!Brackets.ContainsIndependentBracketsPairs(tokens, BracketsType.Normal))
{
List <Token> tokensCopy = tokens.Select(t => t.Clone()).ToList();
tokensCopy.RemoveAt(tokens.Count - 1);
tokensCopy.RemoveAt(0);
tokens = tokensCopy;
}
// try to build 'empty list'
if (tokens.Count == 2 && tokens[0].GetTokenType().Equals(TokenType.Variable) && tokens[1].GetTokenType().Equals(TokenType.Variable) &&
tokens[0].GetContent().ToLower().Equals("empty") && tokens[1].GetContent().ToLower().Equals("list"))
{
return(new EmptyList());
}
// try to build small arrow function
if (tokens.Where(t => t.GetTokenType().Equals(TokenType.SmallArrow)).Count() == 1)
{
IListable smallArrow = BuildSmallArrowFunction(tokens);
if (!smallArrow.IsNull())
{
return(smallArrow);
}
}
string str = tokens[0].GetContent();
// try to build list variable reference - just one word and it is a name
if (tokens.Count == 1 && tokens[0].GetTokenType().Equals(TokenType.Variable) && InterVariables.GetInstance().Contains(str, InterVarType.List))
{
return(new ListVariableRefer(str));
}
// try to build list expression
if (InterVariables.GetInstance().Contains(str, InterVarType.List))
{
IListable listEx = BuildListExpression(tokens, str);
if (!listEx.IsNull())
{
return(listEx);
}
}
// try to build list ternary
if (TernaryBuilder.IsPossibleTernary(tokens))
{
IListable ilist = TernaryBuilder.BuildListTernary(tokens);
if (!ilist.IsNull())
{
return(ilist);
}
}
// try to build listed lists/strings: many Listables/Stringables divided by commas
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.Comma))
{
IListable listed = BuildListed(tokens);
if (!listed.IsNull())
{
return(listed);
}
}
throw new SyntaxErrorException("ERROR! Unknown error in code syntax.");
}
public static IStringable Build(List <Token> tokens)
{
// try to build Numerable
INumerable inu = NumerableBuilder.Build(tokens);
if (!inu.IsNull())
{
return(inu as IStringable);
}
// try to build Timeable
ITimeable itim = TimeableBuilder.Build(tokens);
if (!itim.IsNull())
{
return(itim as IStringable);
}
// remove first and last bracket if it is there
while (tokens[0].GetTokenType().Equals(TokenType.BracketOn) && tokens[tokens.Count - 1].GetTokenType().Equals(TokenType.BracketOff) &&
!Brackets.ContainsIndependentBracketsPairs(tokens, BracketsType.Normal))
{
List <Token> tokensCopy = tokens.Select(t => t.Clone()).ToList();
tokensCopy.RemoveAt(tokens.Count - 1);
tokensCopy.RemoveAt(0);
tokens = tokensCopy;
}
// try to build simple one-token Stringable
if (tokens.Count == 1)
{
if (tokens[0].GetTokenType().Equals(TokenType.Variable))
{
string str = tokens[0].GetContent();
if (InterVariables.GetInstance().Contains(str, InterVarType.String))
{
return(new StringVariableRefer(str));
}
else
{
// try to build reference to date or clock time
IStringable istr = BuildTimeVariableRefer(tokens[0]);
if (!istr.IsNull())
{
return(istr);
}
}
}
if (tokens[0].GetTokenType().Equals(TokenType.StringConstant))
{
return(new StringConstant(tokens[0].GetContent()));
}
}
//try to build string function
if (Functions.IsPossibleFunction(tokens))
{
IStringable istr = StringFunction.Build(tokens);
if (!istr.IsNull())
{
return(istr);
}
}
// try to build string ternary
if (TernaryBuilder.IsPossibleTernary(tokens))
{
IStringable istr = TernaryBuilder.BuildStringTernary(tokens);
if (!istr.IsNull())
{
return(istr);
}
}
// try to build reference to n-th element of list of strings
if (tokens.Count > 3 && tokens[0].GetTokenType().Equals(TokenType.Variable) && tokens[1].GetTokenType().Equals(TokenType.SquareBracketOn) &&
tokens[tokens.Count - 1].GetTokenType().Equals(TokenType.SquareBracketOff))
{
IStringable istr = BuildListElement(tokens);
if (!istr.IsNull())
{
return(istr);
}
}
// try to build concatenated string -> text merged by +
if (TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.Plus) && !TokenGroups.ContainsTokenOutsideBrackets(tokens, TokenType.Comma))
{
return(BuildConcatenated(tokens));
}
else
{
return(null);
}
}
