public AddColumnsFunction()
: base("AddColumns", TexlStrings.AboutAddColumns, FunctionCategories.Table, DType.EmptyTable, 0, 3, int.MaxValue, DType.EmptyTable)
{
// AddColumns(source, name, valueFunc, name, valueFunc, ..., name, valueFunc, ...)
SignatureConstraint = new SignatureConstraint(omitStartIndex: 5, repeatSpan: 2, endNonRepeatCount: 0, repeatTopLength: 9);
ScopeInfo = new FunctionScopeInfo(this);
}
public IfErrorFunction()
: base("IfError", TexlStrings.AboutIfError, FunctionCategories.Logical, DType.Unknown, 0, 2, int.MaxValue)
{
ScopeInfo = new FunctionScopeInfo(this,
iteratesOverScope: false,
scopeType: DType.CreateRecord(
new TypedName(ErrorType.ReifiedError(), new DName("FirstError")),
new TypedName(ErrorType.ReifiedErrorTable(), new DName("AllErrors")),
new TypedName(DType.ObjNull, new DName("ErrorResult"))),
appliesToArgument: (i => i > 0 && (i % 2 == 1)));
}
public ConcatFunction()
: base("Concat", TexlStrings.AboutConcat, FunctionCategories.Table, DType.String, 0x02, 2, 3, DType.EmptyTable, DType.String)
{
ScopeInfo = new FunctionScopeInfo(this, usesAllFieldsInScope: false);
}
public CountIfFunction()
: base("CountIf", TexlStrings.AboutCountIf, FunctionCategories.Table | FunctionCategories.MathAndStat, DType.Number, -2, 2, int.MaxValue, DType.EmptyTable, DType.Boolean)
{
ScopeInfo = new FunctionScopeInfo(this, usesAllFieldsInScope: false);
}
public ForAllFunction()
: base("ForAll", TexlStrings.AboutForAll, FunctionCategories.Table, DType.Unknown, 0x2, 2, 2, DType.EmptyTable)
{
ScopeInfo = new FunctionScopeInfo(this);
}
public FilterFunction()
: base("Filter", TexlStrings.AboutFilter, FunctionCategories.Table, DType.EmptyTable, -2, 2, int.MaxValue, DType.EmptyTable)
{
ScopeInfo = new FunctionScopeInfo(this, acceptsLiteralPredicates: false);
}
public SortFunction()
: base("Sort", TexlStrings.AboutSort, FunctionCategories.Table, DType.EmptyTable, 0x02, 2, 3, DType.EmptyTable)
{
ScopeInfo = new FunctionScopeInfo(this);
_sortOrderValidator = ArgValidators.SortOrderValidator;
}
public LookUpFunction()
: base("LookUp", TexlStrings.AboutLookUp, FunctionCategories.Table, DType.Unknown, 0x6, 2, 3, DType.EmptyTable, DType.Boolean)
{
ScopeInfo = new FunctionScopeInfo(this);
}
public StatisticalTableFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0x02, 2, 2, DType.EmptyTable, DType.Number)
{
ScopeInfo = new FunctionScopeInfo(this, usesAllFieldsInScope: false, acceptsLiteralPredicates: false);
}
public WithFunction()
: base("With", TexlStrings.AboutWith, FunctionCategories.Table, DType.Unknown, 0x2, 2, 2, DType.EmptyRecord)
{
ScopeInfo = new FunctionScopeInfo(this, iteratesOverScope: false);
}
