PropertyPtrTableReader.cs

Go to the documentation of this file.

using System.Reflection.Internal;
 
namespace System.Reflection.Metadata.Ecma335;
 
internal readonly struct PropertyPtrTableReader
{
    internal readonly int NumberOfRows;
 
    private readonly bool _IsPropertyTableRowRefSizeSmall;
 
    private readonly int _PropertyOffset;
 
    internal readonly int RowSize;
 
    internal readonly MemoryBlock Block;
 
    internal PropertyPtrTableReader(int numberOfRows, int propertyTableRowRefSize, MemoryBlock containingBlock, int containingBlockOffset)
    {
        NumberOfRows = numberOfRows;
        _IsPropertyTableRowRefSizeSmall = propertyTableRowRefSize == 2;
        _PropertyOffset = 0;
        RowSize = _PropertyOffset + propertyTableRowRefSize;
        Block = containingBlock.GetMemoryBlockAt(containingBlockOffset, RowSize * numberOfRows);
    }
 
    internal PropertyDefinitionHandle GetPropertyFor(int rowId)
    {
        int num = (rowId - 1) * RowSize;
        return PropertyDefinitionHandle.FromRowId(Block.PeekReference(num + _PropertyOffset, _IsPropertyTableRowRefSizeSmall));
    }
}