public int ReadArray<T>(long position, T[] array, int offset, int count) where T: struct
{
if (array == null)
{
throw new ArgumentNullException("array", "Buffer cannot be null.");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (count < 0)
{
throw new ArgumentOutOfRangeException("count", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if ((array.Length - offset) < count)
{
throw new ArgumentException(Environment.GetResourceString("Argument_OffsetAndLengthOutOfBounds"));
}
if (!this.CanRead)
{
if (!this._isOpen)
{
throw new ObjectDisposedException("UnmanagedMemoryAccessor", Environment.GetResourceString("ObjectDisposed_ViewAccessorClosed"));
}
throw new NotSupportedException(Environment.GetResourceString("NotSupported_Reading"));
}
if (position < 0L)
{
throw new ArgumentOutOfRangeException("position", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
uint num = Marshal.AlignedSizeOf<T>();
if (position >= this._capacity)
{
throw new ArgumentOutOfRangeException("position", Environment.GetResourceString("ArgumentOutOfRange_PositionLessThanCapacityRequired"));
}
int num2 = count;
long num3 = this._capacity - position;
if (num3 < 0L)
{
num2 = 0;
}
else
{
ulong num4 = (ulong) (num * count);
if (num3 < num4)
{
num2 = (int) (num3 / ((ulong) num));
}
}
this._buffer.ReadArray<T>((ulong) (this._offset + position), array, offset, num2);
return num2;
}
[System.Security.SecurityCritical] // auto-generated_required
public int ReadArray <T>(Int64 position, T[] array, Int32 offset, Int32 count) where T : struct
{
if (array == null)
{
throw new ArgumentNullException("array", "Buffer cannot be null.");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (count < 0)
{
throw new ArgumentOutOfRangeException("count", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (array.Length - offset < count)
{
throw new ArgumentException(Environment.GetResourceString("Argument_OffsetAndLengthOutOfBounds"));
}
Contract.EndContractBlock();
if (!CanRead)
{
if (!_isOpen)
{
throw new ObjectDisposedException("UnmanagedMemoryAccessor", Environment.GetResourceString("ObjectDisposed_ViewAccessorClosed"));
}
else
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_Reading"));
}
}
if (position < 0)
{
throw new ArgumentOutOfRangeException("position", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
UInt32 sizeOfT = Marshal.AlignedSizeOf <T>();
// only check position and ask for fewer Ts if count is too big
if (position >= _capacity)
{
throw new ArgumentOutOfRangeException("position", Environment.GetResourceString("ArgumentOutOfRange_PositionLessThanCapacityRequired"));
}
int n = count;
long spaceLeft = _capacity - position;
if (spaceLeft < 0)
{
n = 0;
}
else
{
ulong spaceNeeded = (ulong)(sizeOfT * count);
if ((ulong)spaceLeft < spaceNeeded)
{
n = (int)(spaceLeft / sizeOfT);
}
}
_buffer.ReadArray <T>((UInt64)(_offset + position), array, offset, n);
return(n);
}
