open_toontown_panda3d/panda/src/express/subStream.I

67 lines
2.3 KiB
Plaintext

// Filename: subStream.I
// Created by: drose (02Aug02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: ISubStream::Constructor
// Access: Public
// Description:
////////////////////////////////////////////////////////////////////
INLINE ISubStream::
ISubStream() : istream(&_buf) {
}
////////////////////////////////////////////////////////////////////
// Function: ISubStream::Constructor
// Access: Public
// Description:
////////////////////////////////////////////////////////////////////
INLINE ISubStream::
ISubStream(IStreamWrapper *source, streampos start, streampos end) : istream(&_buf) {
open(source, start, end);
}
////////////////////////////////////////////////////////////////////
// Function: ISubStream::open
// Access: Public
// Description: Starts the SubStream reading from the indicated
// source, with the first character being the character
// at position "start" within the source, for end -
// start total characters. The character at "end"
// within the source will never be read; this will
// appear to be EOF.
//
// If end is zero, it indicates that the ISubStream will
// continue until the end of the source stream.
////////////////////////////////////////////////////////////////////
INLINE ISubStream &ISubStream::
open(IStreamWrapper *source, streampos start, streampos end) {
clear((ios_iostate)0);
_buf.open(source, start, end);
return *this;
}
////////////////////////////////////////////////////////////////////
// Function: ISubStream::close
// Access: Public
// Description: Resets the SubStream to empty, but does not actually
// close the source istream.
////////////////////////////////////////////////////////////////////
INLINE ISubStream &ISubStream::
close() {
_buf.close();
return *this;
}