private CompileResult HandleTwoRanges(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
var searchedValue = arguments.ElementAt(0).Value;
var firstAddress = arguments.ElementAt(1)?.ValueAsRangeInfo?.Address;
var secondAddress = arguments.ElementAt(2)?.ValueAsRangeInfo?.Address;
if (firstAddress == null)
{
throw new ArgumentNullException("firstAddress");
}
if (secondAddress == null)
{
throw new ArgumentNullException("secondAddress");
}
var lookupIndex = (secondAddress._fromCol - firstAddress._fromCol) + 1;
var lookupOffset = secondAddress._fromRow - firstAddress._fromRow;
var lookupDirection = base.GetLookupDirection(firstAddress);
if (lookupDirection == LookupDirection.Horizontal)
{
lookupIndex = (secondAddress._fromRow - firstAddress._fromRow) + 1;
lookupOffset = secondAddress._fromCol - firstAddress._fromCol;
}
var lookupArgs = new LookupArguments(searchedValue, firstAddress.Address, lookupIndex, lookupOffset, true, arguments.ElementAt(1).ValueAsRangeInfo);
var navigator = LookupNavigatorFactory.Create(lookupDirection, lookupArgs, context);
return(base.Lookup(navigator, lookupArgs, new LookupValueMatcher()));
}
private CompileResult HandleTwoRanges(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
var searchedValue = arguments.ElementAt(0).Value;
Require.That(arguments.ElementAt(1).Value).Named("firstAddress").IsNotNull();
Require.That(arguments.ElementAt(2).Value).Named("secondAddress").IsNotNull();
var firstAddress = ArgToString(arguments, 1);
var secondAddress = ArgToString(arguments, 2);
var rangeAddressFactory = new RangeAddressFactory(context.ExcelDataProvider);
var address1 = rangeAddressFactory.Create(firstAddress);
var address2 = rangeAddressFactory.Create(secondAddress);
var lookupIndex = (address2.FromCol - address1.FromCol) + 1;
var lookupOffset = address2.FromRow - address1.FromRow;
var lookupDirection = GetLookupDirection(address1);
if (lookupDirection == LookupDirection.Horizontal)
{
lookupIndex = (address2.FromRow - address1.FromRow) + 1;
lookupOffset = address2.FromCol - address1.FromCol;
}
var lookupArgs = new LookupArguments(searchedValue, firstAddress, lookupIndex, lookupOffset, true);
var navigator = LookupNavigatorFactory.Create(lookupDirection, lookupArgs, context);
return(Lookup(navigator, lookupArgs));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 3);
var lookupArgs = new LookupArguments(arguments);
var navigator = LookupNavigatorFactory.Create(LookupDirection.Vertical, lookupArgs, context);
return(Lookup(navigator, lookupArgs));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 3);
var lookupArgs = new LookupArguments(arguments, context);
ThrowExcelErrorValueExceptionIf(() => lookupArgs.LookupIndex < 1, eErrorType.Value);
var navigator = LookupNavigatorFactory.Create(LookupDirection.Horizontal, lookupArgs, context);
return(Lookup(navigator, lookupArgs));
}
/// <summary>
/// Executes the function with the specified <paramref name="arguments"/> in the specified <paramref name="context"/>.
/// </summary>
/// <param name="arguments">The arguments with which to evaluate the function.</param>
/// <param name="context">The context in which to evaluate the function.</param>
/// <returns>An address range <see cref="CompileResult"/> if successful, otherwise an error result.</returns>
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
if (this.ArgumentsAreValid(arguments, 2, out eErrorType argumentError) == false)
{
return(new CompileResult(argumentError));
}
if (!this.TryGetSearchValue(arguments.ElementAt(0), context, out var searchValue, out var error))
{
return(error);
}
var lookupRange = arguments.ElementAt(1).ValueAsRangeInfo;
var matchType = this.GetMatchType(arguments);
var args = new LookupArguments(searchValue, lookupRange.Address.Address, 0, 0, false, lookupRange);
var lookupDirection = this.GetLookupDirection(lookupRange.Address);
var navigator = LookupNavigatorFactory.Create(lookupDirection, args, context);
int?lastValidIndex = null;
do
{
if (navigator.CurrentValue == null && searchValue == null)
{
return(this.CreateResult(ExcelErrorValue.Create(eErrorType.NA), DataType.ExcelError));
}
int?matchResult;
if (matchType == MatchType.ExactMatch)
{
matchResult = new WildCardValueMatcher().IsMatch(searchValue, navigator.CurrentValue);
}
else
{
matchResult = new LookupValueMatcher().IsMatch(searchValue, navigator.CurrentValue);
}
// For all match types, if the match result indicated equality, return the index (1 based)
if (matchResult == 0)
{
return(this.CreateResult(navigator.Index + 1, DataType.Integer));
}
if ((matchType == MatchType.ClosestBelow && matchResult > 0) || (matchType == MatchType.ClosestAbove && matchResult < 0))
{
lastValidIndex = navigator.Index + 1;
}
// If matchType is ClosestBelow or ClosestAbove and the match result test failed, no more searching is required
else if (matchType == MatchType.ClosestBelow || matchType == MatchType.ClosestAbove)
{
break;
}
}while (navigator.MoveNext());
if (lastValidIndex == null)
{
return(this.CreateResult(ExcelErrorValue.Create(eErrorType.NA), DataType.ExcelError));
}
return(this.CreateResult(lastValidIndex, DataType.Integer));
}
/// <summary>
/// Executes the function with the specified <paramref name="arguments"/> in the specified <paramref name="context"/>.
/// </summary>
/// <param name="arguments">The arguments with which to evaluate the function.</param>
/// <param name="context">The context in which to evaluate the function.</param>
/// <returns>The <see cref="CompileResult"/>.</returns>
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
if (this.ArgumentsAreValid(arguments, 3, out eErrorType argumentError) == false)
{
return(new CompileResult(argumentError));
}
var lookupArgs = new LookupArguments(arguments, context);
var navigator = LookupNavigatorFactory.Create(LookupDirection.Vertical, lookupArgs, context);
if (arguments.Count() > 3 && arguments.ElementAt(3).Value is bool rangeLookup && !rangeLookup)
{
return(Lookup(navigator, lookupArgs, new WildCardValueMatcher()));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 2);
var searchedValue = arguments.ElementAt(0).Value;
var address = ArgToString(arguments, 1);
var rangeAddressFactory = new RangeAddressFactory(context.ExcelDataProvider);
var rangeAddress = rangeAddressFactory.Create(address);
var matchType = GetMatchType(arguments);
var args = new LookupArguments(searchedValue, address, 0, 0, false);
var lookupDirection = GetLookupDirection(rangeAddress);
var navigator = LookupNavigatorFactory.Create(lookupDirection, args, context);
int?lastMatchResult = default(int?);
do
{
var matchResult = IsMatch(navigator.CurrentValue, searchedValue);
if (matchType == MatchType.ClosestBelow && matchResult >= 0)
{
if (!lastMatchResult.HasValue && matchResult > 0)
{
// TODO: error handling. This happens only if the first item is
// below the searched value.
}
var index = matchResult == 0 ? navigator.Index + 1 : navigator.Index;
return(CreateResult(index, DataType.Integer));
}
if (matchType == MatchType.ClosestAbove && matchResult <= 0)
{
if (!lastMatchResult.HasValue && matchResult < 0)
{
// TODO: error handling. This happens only if the first item is
// above the searched value
}
var index = matchResult == 0 ? navigator.Index + 1 : navigator.Index;
return(CreateResult(index, DataType.Integer));
}
if (matchType == MatchType.ExactMatch && matchResult == 0)
{
return(CreateResult(navigator.Index + 1, DataType.Integer));
}
lastMatchResult = matchResult;
}while (navigator.MoveNext());
return(CreateResult(null, DataType.Integer));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
Stopwatch sw = null;
if (context.Debug)
{
sw = new Stopwatch();
sw.Start();
}
ValidateArguments(arguments, 3);
var lookupArgs = new LookupArguments(arguments, context);
var navigator = LookupNavigatorFactory.Create(LookupDirection.Vertical, lookupArgs, context);
var result = Lookup(navigator, lookupArgs);
if (context.Debug)
{
sw.Stop();
context.Configuration.Logger.LogFunction("VLOOKUP", sw.ElapsedMilliseconds);
}
return(result);
}
private CompileResult HandleSingleRange(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
var searchedValue = arguments.ElementAt(0).Value;
Require.That(arguments.ElementAt(1).Value).Named("firstAddress").IsNotNull();
var firstAddress = ArgToString(arguments, 1);
var rangeAddressFactory = new RangeAddressFactory(context.ExcelDataProvider);
var address = rangeAddressFactory.Create(firstAddress);
var nRows = address.ToRow - address.FromRow;
var nCols = address.ToCol - address.FromCol;
var lookupIndex = nCols + 1;
var lookupDirection = LookupDirection.Vertical;
if (nCols > nRows)
{
lookupIndex = nRows + 1;
lookupDirection = LookupDirection.Horizontal;
}
var lookupArgs = new LookupArguments(searchedValue, firstAddress, lookupIndex, 0, true);
var navigator = LookupNavigatorFactory.Create(lookupDirection, lookupArgs, context);
return(Lookup(navigator, lookupArgs));
}
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
ValidateArguments(arguments, 2);
var searchedValue = arguments.ElementAt(0).Value;
var address = ArgToAddress(arguments, 1, context);
var rangeAddressFactory = new RangeAddressFactory(context.ExcelDataProvider);
var rangeAddress = rangeAddressFactory.Create(address);
var matchType = GetMatchType(arguments);
var args = new LookupArguments(searchedValue, address, 0, 0, false, arguments.ElementAt(1).ValueAsRangeInfo);
var lookupDirection = GetLookupDirection(rangeAddress);
var navigator = LookupNavigatorFactory.Create(lookupDirection, args, context);
int?lastValidIndex = null;
do
{
var matchResult = IsMatch(searchedValue, navigator.CurrentValue);
// For all match types, if the match result indicated equality, return the index (1 based)
if (matchResult == 0)
{
return(CreateResult(navigator.Index + 1, DataType.Integer));
}
if ((matchType == MatchType.ClosestBelow && matchResult < 0) || (matchType == MatchType.ClosestAbove && matchResult > 0))
{
lastValidIndex = navigator.Index + 1;
}
// If matchType is ClosestBelow or ClosestAbove and the match result test failed, no more searching is required
else if (matchType == MatchType.ClosestBelow || matchType == MatchType.ClosestAbove)
{
break;
}
}while (navigator.MoveNext());
return(CreateResult(lastValidIndex, DataType.Integer));
}