historical/toontown-classic.git/panda/include/multiplexStream.I
2024-01-16 11:20:27 -06:00

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/**
* 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."
*
* @file multiplexStream.I
* @author drose
* @date 2000-11-27
*/
/**
*
*/
INLINE MultiplexStream::
MultiplexStream() : std::ostream(&_msb) {
setf(std::ios::unitbuf);
}
/**
* Adds the indicated generic ostream to the multiplex output. The ostream
* will receive whatever data is sent to the pipe.
*/
INLINE void MultiplexStream::
add_ostream(std::ostream *out, bool delete_later) {
_msb.add_output(MultiplexStreamBuf::BT_none,
MultiplexStreamBuf::OT_ostream,
out, nullptr, delete_later);
}
/**
* Adds the given file, previously opened using the C stdio library, to the
* multiplex output.
*/
INLINE bool MultiplexStream::
add_stdio_file(FILE *fout, bool close_when_done) {
_msb.add_output(MultiplexStreamBuf::BT_line,
MultiplexStreamBuf::OT_ostream,
nullptr, fout, close_when_done);
return true;
}
/**
* Adds the standard output channel.
*/
INLINE void MultiplexStream::
add_standard_output() {
_msb.add_output(MultiplexStreamBuf::BT_none,
MultiplexStreamBuf::OT_ostream,
&std::cout, nullptr, false);
}
/**
* Adds the given file to the multiplex output. The file is opened in append
* mode with line buffering. Returns false if the file cannot be opened.
*/
INLINE bool MultiplexStream::
add_file(Filename file) {
file.set_text();
pofstream *out = new pofstream;
if (!file.open_append(*out)) {
delete out;
return false;
}
out->setf(std::ios::unitbuf);
_msb.add_output(MultiplexStreamBuf::BT_line,
MultiplexStreamBuf::OT_ostream,
out, nullptr, true);
return true;
}
/**
* Adds the system debug output the the multiplex output. This may map to a
* syslog or some such os-specific output system. It may do nothing on a
* particular system.
*
* Presently, this maps only to OutputDebugString() on Windows.
*/
INLINE void MultiplexStream::
add_system_debug() {
_msb.add_output(MultiplexStreamBuf::BT_line,
MultiplexStreamBuf::OT_system_debug);
}
/**
* Forces out all output that hasn't yet been written.
*/
INLINE void MultiplexStream::
flush() {
_msb.flush();
}