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try handling malformed operators where operands are not provided #355

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Eliot Jones
2021-08-08 11:36:43 -04:00
parent 2df5ec9b10
commit a3e316958a
1 changed files with 11 additions and 1 deletions
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12
src/UglyToad.PdfPig/Graphics/ReflectionGraphicsStateOperationFactory.cs
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@@ -20,7 +20,7 @@ namespace UglyToad.PdfPig.Graphics
using System.Linq; using System.Linq;
using System.Reflection; using System.Reflection;
using Tokens; using Tokens;
using UglyToad.PdfPig.Graphics.Operations.PathPainting; using Operations.PathPainting;
internal class ReflectionGraphicsStateOperationFactory : IGraphicsStateOperationFactory internal class ReflectionGraphicsStateOperationFactory : IGraphicsStateOperationFactory
{ {
@@ -271,8 +271,18 @@ namespace UglyToad.PdfPig.Graphics
throw new InvalidOperationException($"Tried to create a move to next line and show text operation with operand type: {operands[0]?.GetType().Name ?? "null"}"); throw new InvalidOperationException($"Tried to create a move to next line and show text operation with operand type: {operands[0]?.GetType().Name ?? "null"}");
} }
case MoveToNextLineWithOffset.Symbol: case MoveToNextLineWithOffset.Symbol:
if (operands.Count < 2)
{
return null;
}
return new MoveToNextLineWithOffset(OperandToDecimal(operands[0]), OperandToDecimal(operands[1])); return new MoveToNextLineWithOffset(OperandToDecimal(operands[0]), OperandToDecimal(operands[1]));
case MoveToNextLineWithOffsetSetLeading.Symbol: case MoveToNextLineWithOffsetSetLeading.Symbol:
if (operands.Count < 2)
{
return null;
}
return new MoveToNextLineWithOffsetSetLeading(OperandToDecimal(operands[0]), OperandToDecimal(operands[1])); return new MoveToNextLineWithOffsetSetLeading(OperandToDecimal(operands[0]), OperandToDecimal(operands[1]));
case PaintShading.Symbol: case PaintShading.Symbol:
return new PaintShading((NameToken)operands[0]); return new PaintShading((NameToken)operands[0]);