private object EvaluateConstant(CalcConstantExpression expr, CalcEvaluatorContext context, bool acceptsArray)
{
object obj2 = expr.Value;
if ((obj2 is CalcArray) && (!acceptsArray && ((context == null) || (!context.ArrayFormulaMode && !context.ExpandArrayToMultiCall))))
{
return(CalcHelper.GetArrayValue(obj2 as CalcArray, 0, 0));
}
return(obj2);
}
public virtual CalcExpression Visit(CalcExpression expr, int baseRow, int baseColumn)
{
CalcConstantExpression expression = expr as CalcConstantExpression;
if (expression != null)
{
return(this.VisitConstantExpression(expression));
}
CalcCellExpression expression2 = expr as CalcCellExpression;
if (expression2 != null)
{
return(this.VisitCellExpression(expression2, baseRow, baseColumn));
}
CalcRangeExpression expression3 = expr as CalcRangeExpression;
if (expression3 != null)
{
return(this.VisitRangeExpression(expression3, baseRow, baseColumn));
}
CalcUnaryOperatorExpression expression4 = expr as CalcUnaryOperatorExpression;
if (expression4 != null)
{
return(this.VisitUnaryOperatorExpression(expression4, baseRow, baseColumn));
}
CalcBinaryOperatorExpression expression5 = expr as CalcBinaryOperatorExpression;
if (expression5 != null)
{
return(this.VisitBinaryOperatorExpression(expression5, baseRow, baseColumn));
}
CalcFunctionExpression expression6 = expr as CalcFunctionExpression;
if (expression6 != null)
{
return(this.VisitFunctionExpression(expression6, baseRow, baseColumn));
}
CalcExternalCellExpression expression7 = expr as CalcExternalCellExpression;
if (expression7 != null)
{
return(this.VisitExternalCellExpression(expression7, baseRow, baseColumn));
}
CalcExternalRangeExpression expression8 = expr as CalcExternalRangeExpression;
if (expression8 != null)
{
return(this.VisitExternalRangeExpression(expression8, baseRow, baseColumn));
}
if (expr is CalcSharedExpression)
{
CalcExpression expression9 = (expr as CalcSharedExpression).Expression;
CalcExpression expression10 = this.Visit(expression9, baseRow, baseColumn);
if (expression10 == expression9)
{
return(expr);
}
return(new CalcSharedExpression(expression10));
}
CalcParenthesesExpression expression11 = expr as CalcParenthesesExpression;
if (expression11 != null)
{
return(this.VisitParenthesesExpression(expression11, baseRow, baseColumn));
}
CalcNameExpression expression12 = expr as CalcNameExpression;
if (expression12 != null)
{
return(this.VisitNameExpression(expression12, baseRow, baseColumn));
}
CalcExternalNameExpression expression13 = expr as CalcExternalNameExpression;
if (expression13 != null)
{
return(this.VisitExternalNameExpression(expression13, baseRow, baseColumn));
}
CalcSheetRangeExpression expression14 = expr as CalcSheetRangeExpression;
if (expression14 != null)
{
return(this.VisitSheetRangeExpression(expression14, baseRow, baseColumn));
}
return(expr);
}
internal virtual void UpdateCollection()
{
List <T> list = new List <T>();
if ((this._dataProviders != null) && (this._dataProviders.Count > 0))
{
bool flag = true;
foreach (ISeriesDataProvider provider in this._dataProviders)
{
int valuesCount = provider.ValuesCount;
int seriesCount = provider.SeriesCount;
for (int i = 0; i < valuesCount; i++)
{
object obj2 = null;
string str = null;
bool flag2 = true;
for (int j = 0; j < seriesCount; j++)
{
flag2 = this.DataSeries.DisplayHiddenData || provider.IsValueVisible(j, i);
if (flag2)
{
object obj3 = provider.GetValue(j, i);
string text = provider.GetText(j, i);
if (j == 0)
{
obj2 = obj3;
str = text;
}
else
{
string str3 = (obj2 != null) ? obj2.ToString() : "";
string str4 = (obj3 != null) ? obj3.ToString() : "";
if (!string.IsNullOrEmpty(str4))
{
obj2 = str3 + this.ValuesSeperator + str4;
}
else
{
obj2 = str3;
}
flag = false;
}
}
}
if (flag2)
{
if (!(obj2 is DateTime))
{
if (FormatConverter.IsNumber(obj2))
{
DateTime time;
if (!string.IsNullOrEmpty(str) && !DateTime.TryParse(str, (IFormatProvider)CultureInfo.CurrentCulture, (DateTimeStyles)DateTimeStyles.None, out time))
{
flag = false;
}
}
else
{
flag = false;
}
}
T local = this.ConvertValue(i, obj2);
list.Add(local);
}
}
}
base.items.Clear();
base.items.AddRange((IEnumerable <T>)list);
if ((flag != this.IsDateTimeSeries) && (base.items.Count > 0))
{
this.IsDateTimeSeries = flag;
}
}
else if ((this.DataSeries != null) && (this.DataSeries.DataReference is CalcArrayExpression))
{
bool flag3 = true;
CalcArrayExpression dataReference = this.DataSeries.DataReference as CalcArrayExpression;
if (dataReference.ArrayValue != null)
{
int length = dataReference.ArrayValue.Length;
for (int k = 0; k < length; k++)
{
T local2 = this.ConvertValue(k, dataReference.ArrayValue.GetValue(k));
if (flag3 && !(local2 is DateTime))
{
flag3 = false;
}
list.Add(local2);
}
}
base.items.Clear();
base.items.AddRange((IEnumerable <T>)list);
if ((flag3 != this.IsDateTimeSeries) && (base.items.Count > 0))
{
this.IsDateTimeSeries = flag3;
}
}
else if ((this.DataSeries != null) && (this.DataSeries.DataReference is CalcConstantExpression))
{
CalcConstantExpression expression2 = this.DataSeries.DataReference as CalcConstantExpression;
T local3 = this.ConvertValue(0, expression2.Value);
base.items.Clear();
base.items.Add(local3);
bool flag4 = local3 is DateTime;
if (flag4 != this.IsDateTimeSeries)
{
this.IsDateTimeSeries = flag4;
}
}
else
{
base.items.Clear();
this.IsDateTimeSeries = false;
}
}
protected virtual CalcExpression VisitConstantExpression(CalcConstantExpression expr)
{
return(expr);
}
