internal static MergeOption CheckEnumerationValue(MergeOption value, string parameterName)
{
switch (value)
{
case MergeOption.AppendOnly:
case MergeOption.OverwriteChanges:
case MergeOption.PreserveChanges:
case MergeOption.NoTracking:
return(value);
default:
throw Error.ArgumentOutOfRange(parameterName);
}
}
/// <summary>
/// Validate HttpStack
/// </summary>
/// <param name="value">option to validate</param>
/// <param name="parameterName">name of the parameter being validated</param>
/// <exception cref="System.ArgumentOutOfRangeException">if option is not valid</exception>
/// <returns>option</returns>
internal static HttpStack CheckEnumerationValue(HttpStack value, string parameterName)
{
switch (value)
{
case HttpStack.Auto:
#if ASTORIA_LIGHT
case HttpStack.ClientHttp:
case HttpStack.XmlHttp:
#endif
return(value);
default:
throw Error.ArgumentOutOfRange(parameterName);
}
}
public override long Seek(long offset, SeekOrigin origin)
{
this.AssertOpen();
if (offset < 0)
{
throw Error.ArgumentOutOfRange("offset");
}
if (SeekOrigin.Current != origin)
{
throw Error.ArgumentOutOfRange("origin");
}
if (Int32.MaxValue == offset)
{
byte[] buffer = new byte[256];
while (0 < this.ReadDelimiter(buffer, 0, buffer.Length))
{
}
}
else if (0 < offset)
{
do
{
int count = Math.Min(checked ((int)offset), Math.Min(this.byteLength, this.batchLength));
this.totalCount += count;
this.bytePosition += count;
this.byteLength -= count;
this.batchLength -= count;
offset -= count;
}while ((0 < offset) && (this.batchLength != 0) && this.ReadBuffer());
}
Debug.Assert(0 <= this.byteLength, "negative byteLength");
Debug.Assert(0 <= this.batchLength, "negative batchLength");
return(0);
}
