private static void Seek(RubyIO /*!*/ self, long pos, int seekOrigin)
{
if (seekOrigin < 0 || seekOrigin > 2)
{
throw RubyExceptions.CreateArgumentError("Invalid argument");
}
if (self.IsConsoleDescriptor())
{
throw new Errno.BadFileDescriptorError();
}
// TODO: make sure we assert stream is not actually closed
if (self.Closed)
{
throw RubyExceptions.CreateArgumentError("trying to seek on a non-existent stream?");
}
SeekOrigin origin = SeekOrigin.Current;
if (seekOrigin == SEEK_SET)
{
origin = SeekOrigin.Begin;
}
else if (seekOrigin == SEEK_END)
{
origin = SeekOrigin.End;
}
self.Seek(pos, origin);
}
public static void Pos(RubyIO /*!*/ self, [DefaultProtocol] int value)
{
if (self.IsConsoleDescriptor())
{
throw new Errno.BadFileDescriptorError();
}
self.Seek(value, SeekOrigin.Begin);
}
public static object Pos(RubyIO /*!*/ self)
{
if (self.IsConsoleDescriptor())
{
throw new Errno.BadFileDescriptorError();
}
if (self.Closed)
{
throw RubyExceptions.CreateIOError("closed stream");
}
if (self.Position <= Int32.MaxValue)
{
return((int)self.Position);
}
return((BigInteger)self.Position);
}
public static void Pos(RubyIO/*!*/ self, [DefaultProtocol]int value) {
if (self.IsConsoleDescriptor()) {
throw new Errno.BadFileDescriptorError();
}
self.Seek(value, SeekOrigin.Begin);
}
public static object Pos(RubyIO/*!*/ self) {
if (self.IsConsoleDescriptor()) {
throw new Errno.BadFileDescriptorError();
}
if (self.Closed) {
throw RubyExceptions.CreateIOError("closed stream");
}
if (self.Position <= Int32.MaxValue) {
return (int)self.Position;
}
return (BigInteger)self.Position;
}
private static void Seek(RubyIO/*!*/ self, long pos, int seekOrigin) {
if (seekOrigin < 0 || seekOrigin > 2) {
throw RubyExceptions.CreateArgumentError("Invalid argument");
}
if (self.IsConsoleDescriptor()) {
throw new Errno.BadFileDescriptorError();
}
// TODO: make sure we assert stream is not actually closed
if (self.Closed) {
throw RubyExceptions.CreateArgumentError("trying to seek on a non-existent stream?");
}
SeekOrigin origin = SeekOrigin.Current;
if (seekOrigin == SEEK_SET) {
origin = SeekOrigin.Begin;
} else if (seekOrigin == SEEK_END) {
origin = SeekOrigin.End;
}
self.Seek(pos, origin);
}
