?? poutfilter.cxx
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/* * * C++ Portable Types Library (PTypes) * Version 1.7.5 Released 9-Mar-2003 * * Copyright (c) 2001, 2002, 2003 Hovik Melikyan * * http://www.melikyan.com/ptypes/ * http://ptypes.sourceforge.net/ * */#include <string.h>#include "pstreams.h"PTYPES_BEGINoutfilter::outfilter(outstm* istm, int ibufsize): outstm(false, ibufsize), stm(istm){ if (stm != nil) stm->addnotification(this);}outfilter::~outfilter(){ if (stm != nil) stm->delnotification(this);}void outfilter::freenotify(component* sender) { if (sender == stm) { stm = nil; close(); }}void outfilter::doopen() { if (stm != nil && !stm->get_active()) stm->open();}void outfilter::doclose() {}string outfilter::get_errstmname() { if (stm == nil) return get_streamname(); else return get_streamname() + ": " + stm->get_errstmname();}void outfilter::set_stm(outstm* istm) { close(); if (stm != nil) stm->delnotification(this); stm = istm; if (stm != nil) stm->addnotification(this);}PTYPES_END?? 快捷鍵說(shuō)明
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