134 lines
3.2 KiB
Text
134 lines
3.2 KiB
Text
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file subStream.I
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* @author drose
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* @date 2002-08-02
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*/
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/**
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*
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*/
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INLINE ISubStream::
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ISubStream() : std::istream(&_buf) {
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}
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/**
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*
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*/
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INLINE ISubStream::
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ISubStream(IStreamWrapper *source, std::streampos start, std::streampos end) : std::istream(&_buf) {
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open(source, start, end);
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}
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/**
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* Starts the SubStream reading from the indicated source, with the first
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* character being the character at position "start" within the source, for
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* end - start total characters. The character at "end" within the source
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* will never be read; this will appear to be EOF.
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*
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* If end is zero, it indicates that the ISubStream will continue until the
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* end of the source stream.
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*/
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INLINE ISubStream &ISubStream::
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open(IStreamWrapper *source, std::streampos start, std::streampos end) {
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clear((ios_iostate)0);
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_buf.open(source, nullptr, start, end, false);
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return *this;
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}
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/**
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* Resets the SubStream to empty, but does not actually close the source
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* istream.
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*/
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INLINE ISubStream &ISubStream::
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close() {
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_buf.close();
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return *this;
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}
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/**
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*
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*/
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INLINE OSubStream::
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OSubStream() : std::ostream(&_buf) {
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}
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/**
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*
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*/
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INLINE OSubStream::
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OSubStream(OStreamWrapper *dest, std::streampos start, std::streampos end, bool append) : std::ostream(&_buf) {
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open(dest, start, end, append);
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}
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/**
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* Starts the SubStream reading from the indicated dest, with the first
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* character being the character at position "start" within the dest, for end
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* - start total characters. The character at "end" within the dest will
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* never be read; this will appear to be EOF.
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*
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* If end is zero, it indicates that the OSubStream will continue until the
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* end of the dest stream.
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*/
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INLINE OSubStream &OSubStream::
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open(OStreamWrapper *dest, std::streampos start, std::streampos end, bool append) {
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clear((ios_iostate)0);
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_buf.open(nullptr, dest, start, end, append);
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return *this;
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}
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/**
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* Resets the SubStream to empty, but does not actually close the dest
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* ostream.
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*/
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INLINE OSubStream &OSubStream::
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close() {
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_buf.close();
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return *this;
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}
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/**
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*
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*/
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INLINE SubStream::
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SubStream() : std::iostream(&_buf) {
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}
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/**
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*
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*/
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INLINE SubStream::
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SubStream(StreamWrapper *nested, std::streampos start, std::streampos end, bool append) : std::iostream(&_buf) {
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open(nested, start, end, append);
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}
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/**
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* Starts the SubStream reading and writing from the indicated nested stream,
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* within the indicated range. "end" is the first character outside of the
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* range.
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*
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* If end is zero, it indicates that the SubStream will continue until the end
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* of the nested stream.
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*/
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INLINE SubStream &SubStream::
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open(StreamWrapper *nested, std::streampos start, std::streampos end, bool append) {
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clear((ios_iostate)0);
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_buf.open(nested, nested, start, end, append);
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return *this;
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}
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/**
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* Resets the SubStream to empty, but does not actually close the nested
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* ostream.
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*/
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INLINE SubStream &SubStream::
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close() {
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_buf.close();
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return *this;
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}
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