private object EvaluateBinaryOperation(CalcBinaryOperatorExpression expr, CalcEvaluatorContext context, bool acceptsArray)
{
CalcExpression[] expressionArray = new CalcExpression[] { expr.Left, expr.Right };
object[] objArray = new object[2];
for (int i = 0; i < 2; i++)
{
object obj2 = this.Evaluate(expressionArray[i], context, acceptsArray, expr.Operator.AcceptsReference(i));
if (obj2 is CalcError)
{
return(obj2);
}
if (obj2 is CalcMissingArgument)
{
return(CalcErrors.NotAvailable);
}
objArray[i] = obj2;
}
try
{
return(expr.Operator.Evaluate(objArray[0], objArray[1], context));
}
catch (InvalidCastException)
{
return(CalcErrors.Value);
}
}
protected virtual CalcExpression VisitBinaryOperatorExpression(CalcBinaryOperatorExpression expr, int baseRow, int baseColumn)
{
CalcExpression left = expr.Left;
CalcExpression right = expr.Right;
CalcExpression expression3 = this.Visit(left, baseRow, baseColumn);
CalcExpression expression4 = this.Visit(right, baseRow, baseColumn);
if ((left == expression3) && (right == expression4))
{
return(expr);
}
return(new CalcBinaryOperatorExpression(expr.Operator, expression3, expression4));
}
public static void ExtractAllReferenceExpression(ICalcEvaluator evaluator, CalcExpression root, List <CalcReferenceExpression> nodes)
{
if (root is CalcBinaryOperatorExpression)
{
CalcBinaryOperatorExpression expression = root as CalcBinaryOperatorExpression;
ExtractAllReferenceExpression(evaluator, expression.Left, nodes);
ExtractAllReferenceExpression(evaluator, expression.Right, nodes);
}
else if (root is CalcParenthesesExpression)
{
CalcParenthesesExpression expression2 = root as CalcParenthesesExpression;
ExtractAllReferenceExpression(evaluator, expression2.Arg, nodes);
}
else if (root is CalcExternalNameExpression)
{
CalcExternalNameExpression expression3 = root as CalcExternalNameExpression;
ICalcSource source = expression3.Source;
if (source != null)
{
CalcExpression expression4 = source.GetDefinedName(expression3.Name, -1, -1);
if (expression4 != null)
{
ExtractAllReferenceExpression(evaluator, expression4, nodes);
}
}
}
else if (root is CalcFunctionExpression)
{
CalcFunctionExpression expr = root as CalcFunctionExpression;
Worksheet worksheet = evaluator as Worksheet;
if (worksheet != null)
{
CalcEvaluatorContext context = new CalcEvaluatorContext(worksheet, false, worksheet.ActiveRowIndex, worksheet.ActiveColumnIndex, 1, 1);
object obj2 = new CalcEvaluator().Evaluate(expr, context, true, true);
if (obj2 is CalcReference)
{
CalcReference reference = obj2 as CalcReference;
int row = reference.GetRow(0);
int rowCount = reference.GetRowCount(0);
int column = reference.GetColumn(0);
int columnCount = reference.GetColumnCount(0);
ICalcSource source2 = null;
CalcReference reference2 = reference.GetSource();
// hdt
MethodInfo info = reference2.GetType().GetRuntimeMethod("GetContext", null);
if (info != null)
{
source2 = info.Invoke(reference2, null) as ICalcSource;
}
if (source2 == null)
{
source2 = worksheet;
}
CalcExternalRangeExpression expression6 = CreateExternalRangeExpressionByCount(source2, row, column, rowCount, columnCount, false, false, false, false);
nodes.Add(expression6);
}
}
}
else if (root is CalcReferenceExpression)
{
nodes.Add(root as CalcReferenceExpression);
}
}
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);
}
