public static IStringable BuildStrNumNum(string name, List <Argument> args)
{
if (args.Count != 3)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 3 arguments: one text and two numbers.");
}
IStringable istr = StringableBuilder.Build(args[0].tokens);
INumerable inu1 = NumerableBuilder.Build(args[1].tokens);
INumerable inu2 = NumerableBuilder.Build(args[2].tokens);
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! First argument of function " + name + " cannot be read as text.");
}
if (inu1.IsNull())
{
throw new SyntaxErrorException("ERROR! Second argument of function " + name + " cannot be read as number.");
}
if (inu2.IsNull())
{
throw new SyntaxErrorException("ERROR! Third argument of function " + name + " cannot be read as number.");
}
if (name.Equals("substring"))
{
return(new FuncSubstring__3args(istr, inu1, inu2));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static IStringable BuildStrStr(string name, List <Argument> args)
{
if (args.Count != 2)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 2 arguments: two texts.");
}
IStringable istr1 = StringableBuilder.Build(args[0].tokens);
IStringable istr2 = StringableBuilder.Build(args[1].tokens);
if (istr1.IsNull())
{
throw new SyntaxErrorException("ERROR! First argument of function " + name + " cannot be read as text.");
}
if (istr2.IsNull())
{
throw new SyntaxErrorException("ERROR! Second argument of function " + name + " cannot be read as text.");
}
if (name.Equals("beforetext") || name.Equals("textbefore"))
{
return(new FuncBeforeText(istr1, istr2));
}
else if (name.Equals("aftertext") || name.Equals("textafter"))
{
return(new FuncAfterText(istr1, istr2));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static IStringable BuildStrNum(string name, List <Argument> args)
{
if (args.Count != 2)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 2 arguments: one text and one number.");
}
IStringable istr = StringableBuilder.Build(args[0].tokens);
INumerable inu = NumerableBuilder.Build(args[1].tokens);
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! First argument of function " + name + " cannot be read as text.");
}
if (inu.IsNull())
{
throw new SyntaxErrorException("ERROR! Second argument of function " + name + " cannot be read as number.");
}
if (name.Equals("filled") || name.Equals("fill"))
{
return(new FuncFilled(istr, inu));
}
else if (name.Equals("repeat") || name.Equals("repeated"))
{
return(new FuncRepeat(istr, inu));
}
else if (name.Equals("substring"))
{
return(new FuncSubstring__2args(istr, inu));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static IBoolable BuildIn(List <Token> tokens)
{
int index = tokens.TakeWhile(x => !x.GetTokenType().Equals(TokenType.In)).Count();
if (index == 0 || index == tokens.Count - 1)
{
return(null);
}
List <Token> leftTokens = tokens.GetRange(0, index);
List <Token> rightTokens = tokens.GetRange(index + 1, tokens.Count - index - 1);
IStringable istr = StringableBuilder.Build(leftTokens);
if (istr.IsNull())
{
return(null);
}
IListable ilis = ListableBuilder.Build(rightTokens);
if (ilis.IsNull())
{
return(null);
}
return(new In(istr, ilis));
}
private static INumerable BuildCountInside(List <Token> tokens)
{
int index = TokenGroups.IndexOfTokenOutsideBrackets(tokens, TokenType.Inside);
if (index == tokens.Count - 1)
{
throw new SyntaxErrorException("ERROR! Expression 'count inside' do not contain information about referent location.");
}
if (index == 0)
{
throw new SyntaxErrorException("ERROR! Expression 'count inside' do not contain information about referent list of elements.");
}
IListable ilist = ListableBuilder.Build(tokens.Take(index).ToList());
if (ilist.IsNull())
{
return(null);
}
IStringable istr = StringableBuilder.Build(tokens.Skip(index + 1).ToList());
if (istr.IsNull())
{
return(null);
}
return(new CountInside(ilist, istr));
}
public static IBoolable BuildLisStr(string name, List <Argument> args)
{
if (args.Count != 2)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 2 arguments: one list and one text.");
}
IListable ilis = ListableBuilder.Build(args[0].tokens);
IStringable istr = StringableBuilder.Build(args[1].tokens);
if (ilis.IsNull())
{
throw new SyntaxErrorException("ERROR! First argument of function " + name + " cannot be read as list.");
}
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! Second argument of function " + name + " cannot be read as text.");
}
if (name.Equals("contain") || name.Equals("contains"))
{
return(new FuncContain(ilis, istr));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static IStringable BuildStringTernary(List <Token> tokens)
{
IBoolable condition = BoolableBuilder.Build(GetTernaryCondition(tokens));
if (condition.IsNull())
{
return(null);
}
IStringable confirmationCase = StringableBuilder.Build(GetTernaryConfirmation(tokens));
if (confirmationCase.IsNull())
{
return(null);
}
IStringable negationCase = StringableBuilder.Build(GetTernaryNegation(tokens));
if (negationCase.IsNull())
{
return(null);
}
return(new StringTernary(condition, confirmationCase, negationCase));
}
public static IBoolable BuildStrStr(string name, List <Argument> args)
{
if (args.Count != 2)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 2 text arguments.");
}
IStringable istr1 = StringableBuilder.Build(args[0].tokens);
IStringable istr2 = StringableBuilder.Build(args[1].tokens);
if (istr1.IsNull())
{
throw new SyntaxErrorException("ERROR! First argument of function " + name + " cannot be read as text.");
}
if (istr2.IsNull())
{
throw new SyntaxErrorException("ERROR! Second argument of function " + name + " cannot be read as text.");
}
if (name.Equals("existinside") || name.Equals("existsinside"))
{
return(new FuncExistinside(istr1, istr2));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static IBoolable BuildLike(List <Token> tokens)
{
int index = tokens.TakeWhile(x => !x.GetTokenType().Equals(TokenType.Like)).Count();
if (index == 0 || index == tokens.Count - 1)
{
return(null);
}
List <Token> leftTokens = tokens.GetRange(0, index);
List <Token> rightTokens = tokens.GetRange(index + 1, tokens.Count - index - 1);
IStringable istr = StringableBuilder.Build(leftTokens);
if (istr.IsNull())
{
return(null);
}
if (rightTokens.Count == 1 && rightTokens[0].GetTokenType().Equals(TokenType.StringConstant))
{
string phrase = rightTokens[0].GetContent();
CheckLikePhraseCorrectness(phrase);
return(new Like(istr, phrase));
}
else
{
return(null);
}
}
public static ITimeable BuildStr(string name, List <Argument> args)
{
if (args.Count != 1)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 1 text argument.");
}
IStringable istr = StringableBuilder.Build(args[0].tokens);
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! Argument of function " + name + " cannot be read as text.");
}
if (name.Equals("access"))
{
return(new FuncAccess(istr));
}
else if (name.Equals("creation"))
{
return(new FuncCreation(istr));
}
else if (name.Equals("modification"))
{
return(new FuncModification(istr));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static INumerable BuildStr(string name, List <Argument> args)
{
if (args.Count != 1)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 1 text argument.");
}
IStringable istr = StringableBuilder.Build(args[0].tokens);
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! Argument of function " + name + " cannot be read as text.");
}
if (name.Equals("number"))
{
return(new FuncNumber(istr));
}
if (name.Equals("length"))
{
return(new FuncLength(istr));
}
if (name.Equals("year"))
{
return(new FuncYear(istr));
}
if (name.Equals("size"))
{
return(new FuncSize(istr));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static ICommand Build(List <Token> tokens, bool forced)
{
TokenType type = tokens[0].GetTokenType();
tokens.RemoveAt(0);
if (tokens.Where(t => t.GetTokenType().Equals(TokenType.To)).Count() > 1)
{
throw new SyntaxErrorException("ERROR! In " + GetName(type) + " command keyword 'to' occurs too many times.");
}
List <Token> part1 = new List <Token>();
List <Token> part2 = new List <Token>();
bool pastTo = false;
foreach (Token tok in tokens)
{
if (tok.GetTokenType().Equals(TokenType.To))
{
pastTo = true;
}
else
{
if (pastTo)
{
part2.Add(tok);
}
else
{
part1.Add(tok);
}
}
}
if (part2.Count == 0)
{
throw new SyntaxErrorException("ERROR! Command " + GetName(type) + " is too short and do not contain all necessary information.");
}
IStringable expression2 = StringableBuilder.Build(part2);
if (expression2.IsNull())
{
throw new SyntaxErrorException("ERROR! Second part of command " + GetName(type) + " cannot be read as text.");
}
if (part1.Count == 0)
{
return(BuildSimple(type, expression2, forced));
}
else
{
IListable expression1 = ListableBuilder.Build(part1);
if (expression1.IsNull())
{
throw new SyntaxErrorException("ERROR! First part of command " + GetName(type) + " cannot be read as list.");
}
return(BuildComplex(type, expression1, expression2, forced));
}
}
public static ICommand Build(List <Token> tokens, bool forced)
{
TokenType type = tokens[0].GetTokenType();
tokens.RemoveAt(0);
int toIndex = TokenGroups.IndexOfTokenOutsideBrackets(tokens, TokenType.To);
int asIndex = TokenGroups.IndexOfTokenOutsideBrackets(tokens, TokenType.As);
if (asIndex < toIndex)
{
return(null);
}
if (toIndex == asIndex - 1)
{
throw new SyntaxErrorException("ERROR! Command " + GetName(type) + " do not have definition of destination directory.");
}
if (asIndex == tokens.Count - 1)
{
throw new SyntaxErrorException("ERROR! Command " + GetName(type) + " do not have definition of new name for file/directory.");
}
List <Token> listTokens = tokens.Take(toIndex).ToList();
List <Token> destinationTokens = tokens.GetRange(toIndex + 1, asIndex - toIndex - 1);
List <Token> nameTokens = tokens.Skip(asIndex + 1).ToList();
IStringable destination = StringableBuilder.Build(destinationTokens);
if (destination.IsNull())
{
throw new SyntaxErrorException("ERROR! In command " + GetName(type) + " definition of destination directory cannot be read as text.");
}
IStringable name = StringableBuilder.Build(nameTokens);
if (name.IsNull())
{
throw new SyntaxErrorException("ERROR! In command " + GetName(type) + " definition of new name for file/directory cannot be read as text.");
}
if (listTokens.Count == 0)
{
return(BuildSimple(type, destination, name, forced));
}
else
{
IListable list = ListableBuilder.Build(listTokens);
if (list.IsNull())
{
throw new SyntaxErrorException("ERROR! In command " + GetName(type) + " definition of list of files and directories is not correct.");
}
return(BuildComplex(type, list, destination, name, forced));
}
}
public static IStringable BuildStr(string name, List <Argument> args)
{
if (args.Count != 1)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 1 text argument.");
}
IStringable istr = StringableBuilder.Build(args[0].tokens);
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! Argument of function " + name + " cannot be read as text.");
}
if (name.Equals("upper") || name.Equals("toupper"))
{
return(new FuncUpper(istr));
}
else if (name.Equals("lower") || name.Equals("tolower"))
{
return(new FuncLower(istr));
}
else if (name.Equals("digits"))
{
return(new FuncDigits(istr));
}
else if (name.Equals("letters"))
{
return(new FuncLetters(istr));
}
else if (name.Equals("trim"))
{
return(new FuncTrim(istr));
}
else if (name.Equals("name"))
{
return(new FuncName(istr));
}
else if (name.Equals("fullname"))
{
return(new FuncFullname(istr));
}
else if (name.Equals("extension"))
{
return(new FuncExtension(istr));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
// functions are grouped by their arguments
// every set of arguments is one method below
public static IBoolable BuildStr(string name, List <Argument> args)
{
if (args.Count != 1)
{
throw new SyntaxErrorException("ERROR! Function " + name + " has to have 1 text argument.");
}
IStringable istr = StringableBuilder.Build(args[0].tokens);
if (istr.IsNull())
{
throw new SyntaxErrorException("ERROR! Argument of function " + name + " cannot be read as text.");
}
if (name.Equals("exist") || name.Equals("exists"))
{
return(new FuncExist(istr));
}
else if (name.Equals("empty") || name.Equals("emptydirectory"))
{
return(new FuncEmpty(istr));
}
else if (name.Equals("iscorrect"))
{
return(new FuncIscorrect(istr));
}
else if (name.Equals("isdirectory"))
{
return(new FuncIsdirectory(istr));
}
else if (name.Equals("isfile"))
{
return(new FuncIsfile(istr));
}
else if (name.Equals("hidden"))
{
return(new FuncHidden(istr));
}
else if (name.Equals("readonly"))
{
return(new FuncReadonly(istr));
}
throw new SyntaxErrorException("ERROR! Function " + name + " not identified.");
}
public static ICommand Build(List <Token> tokens)
{
string name = tokens[0].GetContent();
tokens.RemoveAt(0);
tokens.RemoveAt(0);
List <Token> indexTokens = new List <Token>();
while (tokens.First().GetTokenType() != TokenType.SquareBracketOff)
{
indexTokens.Add(tokens.First());
tokens.RemoveAt(0);
}
tokens.RemoveAt(0);
INumerable index = NumerableBuilder.Build(indexTokens);
if (index.IsNull())
{
throw new SyntaxErrorException("ERROR! Index of element of list " + name + " cannot be read as number.");
}
if (tokens.First().GetTokenType() != TokenType.Equals)
{
return(null);
}
tokens.RemoveAt(0);
IStringable newValue = StringableBuilder.Build(tokens);
if (newValue.IsNull())
{
return(null);
}
return(new ListElementDeclaration(name, newValue, index));
}
private static IListable BuildSmallArrowFunction(List <Token> tokens)
{
bool unique = false;
List <Token> leftSide = new List <Token>();
List <Token> rightSide = new List <Token>();
bool pastTo = false;
foreach (Token tok in tokens)
{
if (tok.GetTokenType().Equals(TokenType.SmallArrow))
{
pastTo = true;
}
else
{
if (pastTo)
{
rightSide.Add(tok);
}
else
{
leftSide.Add(tok);
}
}
}
if (leftSide.Count == 0)
{
throw new SyntaxErrorException("ERROR! Left side of Small Arrow Function is empty.");
}
if (rightSide.Count == 0)
{
throw new SyntaxErrorException("ERROR! Right side of Small Arrow Function is empty.");
}
if (rightSide.First().GetTokenType().Equals(TokenType.Unique))
{
unique = true;
rightSide.RemoveAt(0);
if (rightSide.Count == 0)
{
throw new SyntaxErrorException("ERROR! Right side of Small Arrow Function contains only one word: unique.");
}
}
IListable ilist = ListableBuilder.Build(leftSide);
if (ilist.IsNull())
{
return(null);
}
IStringable istr = StringableBuilder.Build(rightSide);
if (istr.IsNull())
{
return(null);
}
return(new SmallArrow(ilist, istr, unique));
}
public static ICommand Build(List <Token> tokens)
{
string name = tokens[0].GetContent();
tokens.RemoveAt(0);
tokens.RemoveAt(0);
if (tokens.Count == 0)
{
throw new SyntaxErrorException("ERROR! Variable " + name + " has no assigned value.");
}
if (name.Contains('.'))
{
return(BuildWithPoint(tokens, name));
}
if (!InterVariables.GetInstance().Contains(name))
{
IListable value = ListableBuilder.Build(tokens);
if (value.IsNull())
{
throw new SyntaxErrorException("ERROR! There are is something wrong with assigning value to variable " + name + ".");
}
if (value is IBoolable)
{
InterVariables.GetInstance().Add(name, InterVarType.Bool);
return(new BoolDeclaration(name, (IBoolable)value));
}
else if (value is INumerable)
{
InterVariables.GetInstance().Add(name, InterVarType.Number);
return(new NumericDeclaration(name, (INumerable)value));
}
else if (value is ITimeable)
{
InterVariables.GetInstance().Add(name, InterVarType.Time);
return(new TimeDeclaration(name, (ITimeable)value));
}
else if (value is IStringable)
{
InterVariables.GetInstance().Add(name, InterVarType.String);
return(new StringDeclaration(name, (IStringable)value));
}
else
{
InterVariables.GetInstance().Add(name, InterVarType.List);
return(new ListDeclaration(name, value));
}
}
else
{
InterVar ivar = InterVariables.GetInstance().GetVar(name);
if (ivar.IsBool())
{
IBoolable value = BoolableBuilder.Build(tokens);
if (value.IsNull())
{
throw new SyntaxErrorException("ERROR! Value assigned to variable " + name + " must be logical.");
}
return(new BoolDeclaration(name, value));
}
else
{
if (ivar.IsNumber())
{
INumerable value = NumerableBuilder.Build(tokens);
if (value.IsNull())
{
throw new SyntaxErrorException("ERROR! Value assigned to variable " + name + " must be numeric.");
}
return(new NumericDeclaration(name, value));
}
else if (ivar.IsTime())
{
ITimeable value = TimeableBuilder.Build(tokens);
if (value.IsNull())
{
throw new SyntaxErrorException("ERROR! Value assigned to variable " + name + " must be time.");
}
return(new TimeDeclaration(name, value));
}
else if (ivar.IsString())
{
IStringable value = StringableBuilder.Build(tokens);
if (value.IsNull())
{
throw new SyntaxErrorException("ERROR! Value assigned to variable " + name + " must be text.");
}
return(new StringDeclaration(name, value));
}
else
{
IListable value = ListableBuilder.Build(tokens);
if (value.IsNull())
{
throw new SyntaxErrorException("ERROR! Value assigned to variable " + name + " must be list.");
}
return(new ListDeclaration(name, value));
}
}
}
}
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);
}
}
// string concatenation
// considers numeric expressions inside with signs '+'
public static IStringable BuildConcatenated(List <Token> tokens)
{
List <Token> currentTokens = new List <Token>();
List <Token> reserve = new List <Token>();
List <IStringable> elements = new List <IStringable>();
int level = 0;
for (int i = 0; i < tokens.Count; i++)
{
if (tokens[i].GetTokenType().Equals(TokenType.BracketOn))
{
level++;
}
if (tokens[i].GetTokenType().Equals(TokenType.BracketOff))
{
level--;
}
if (tokens[i].GetTokenType().Equals(TokenType.Plus) && level == 0)
{
if (currentTokens.Count > 0)
{
IStringable ist = StringableBuilder.Build(currentTokens);
if (ist.IsNull())
{
return(null);
}
if (ist is INumerable || ist is IBoolable)
{
reserve.AddRange(currentTokens);
reserve.Add(tokens[i]);
currentTokens.Clear();
}
else
{
if (reserve.Count > 0)
{
reserve.RemoveAt(reserve.Count - 1);
elements.Add(NumerableBuilder.Build(reserve) as IStringable);
reserve.Clear();
}
elements.Add(ist);
currentTokens.Clear();
}
}
}
else
{
currentTokens.Add(tokens[i]);
}
}
if (currentTokens.Count > 0)
{
IStringable ist = StringableBuilder.Build(currentTokens);
if (reserve.Count > 0)
{
if (ist is INumerable || ist is IBoolable)
{
reserve.AddRange(currentTokens);
elements.Add(NumerableBuilder.Build(reserve) as IStringable);
}
else
{
reserve.RemoveAt(reserve.Count - 1);
elements.Add(NumerableBuilder.Build(reserve) as IStringable);
elements.Add(ist);
}
}
else
{
if (ist.IsNull())
{
return(null);
}
else
{
elements.Add(ist);
}
}
}
if (elements.Count > 0)
{
return(new StringExpression(elements));
}
return(null);
}
public static ICommand BuildCreateFrom(List <Token> tokens, bool forced, bool directory)
{
List <Token> part1 = new List <Token>();
List <Token> part2 = new List <Token>();
bool pastFrom = false;
foreach (Token tok in tokens)
{
if (tok.GetTokenType().Equals(TokenType.From))
{
pastFrom = true;
}
else
{
if (pastFrom)
{
part2.Add(tok);
}
else
{
part1.Add(tok);
}
}
}
if (part2.Count == 0)
{
throw new SyntaxErrorException("ERROR! Source in " + (directory ? "directory" : "file")
+ " creation command is empty.");
}
IListable ilist;
IStringable istring = StringableBuilder.Build(part2);
if (part1.Count == 0)
{
ilist = new StringVariableRefer("this");
}
else
{
ilist = ListableBuilder.Build(part1);
}
if (ilist.IsNull())
{
throw new SyntaxErrorException("ERROR! There are is something wrong with new " + (directory ? "directory" : "file") +
" name in " + (directory ? "directory" : "file") + " creation command syntax.");
}
if (istring.IsNull())
{
throw new SyntaxErrorException("ERROR! There are is something wrong with source " + (directory ? "directory" : "file") +
" name in " + (directory ? "directory" : "file") + " creation command syntax.");
}
if (directory)
{
return(new CreateDirectoryFrom(istring, ilist, forced));
}
else
{
return(new CreateFileFrom(istring, ilist, forced));
}
}
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.");
}