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deb-goldedplus/goldlib/gmb3/gmowcat1.cpp
2000-02-25 10:15:17 +00:00

239 lines
5.4 KiB
C++

// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1990-1999 Odinn Sorensen
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307, USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// WildCat! 4.x messagebase engine.
// ------------------------------------------------------------------
#include <gdbgerr.h>
#include <gmemdbg.h>
#include <gdbgtrk.h>
#include <gmowcat.h>
// ------------------------------------------------------------------
WCatWide* wcatwide = NULL;
WCatData* wcatdata = NULL;
int wcatdatano = 0;
// ------------------------------------------------------------------
void WCatArea::data_open() {
wide = wcatwide;
data = wcatdata + (wcatdatano++);
}
// ------------------------------------------------------------------
void WCatArea::data_close() {
wcatdatano--;
}
// ------------------------------------------------------------------
void WCatArea::raw_close() {
GFTRK("WCatRawClose");
if(data->fhix != -1) ::close(data->fhix); data->fhix = -1;
if(data->fhdat != -1) ::close(data->fhdat); data->fhdat = -1;
GFTRK(NULL);
}
// ------------------------------------------------------------------
int WCatArea::test_open(const char* __file) {
GFTRK("WCatTestOpen");
int _fh;
long _tries = 0;
do {
_fh = ::sopen(__file, O_RDWR|O_BINARY|O_CREAT, WideSharemode, S_STDRW);
if(_fh == -1) {
// Tell the world
if(PopupLocked(++_tries, false, __file) == false) {
// User requested to exit
WideLog->ErrOpen();
raw_close();
WideLog->printf("! A WildCat! msgbase file could not be opened.");
WideLog->printf(": %s.", __file);
WideLog->ErrOSInfo();
OpenErrorExit();
}
}
} while(_fh == -1);
// Remove the popup window
if(_tries)
PopupLocked(0, 0, NULL);
GFTRK(NULL);
return _fh;
}
// ------------------------------------------------------------------
void WCatArea::raw_open() {
GFTRK("WCatRawOpen");
data->fhix = test_open(AddPath(path(), ".ix"));
data->fhdat = test_open(AddPath(path(), ".dat"));
GFTRK(NULL);
}
// ------------------------------------------------------------------
void WCatExit() {
throw_xrelease(wcatwide);
throw_xrelease(wcatdata);
}
// ------------------------------------------------------------------
void WCatInit(int userno) {
wcatdata = (WCatData*)throw_calloc(2, sizeof(WCatData));
wcatwide = (WCatWide*)throw_calloc(1, sizeof(WCatWide));
wcatwide->userno = userno;
}
// ------------------------------------------------------------------
void WCatArea::open() {
GFTRK("WCatOpen");
isopen++;
if(isopen > 2) {
WideLog->ErrTest();
WideLog->printf("! Trying to open a WildCat! msgbase more than twice.");
WideLog->printf(": %s, %s.", echoid(), path());
WideLog->printf("+ Info: This indicates a serious bug.");
WideLog->printf("+ Advice: Report to the Author immediately.");
TestErrorExit();
}
if(isopen == 1) {
data_open();
raw_open();
refresh();
scan();
}
GFTRK(NULL);
}
// ------------------------------------------------------------------
void WCatArea::save_lastread() {
GFTRK("WCatSaveLastread");
int _fh = ::sopen(AddPath(path(), ".lrd"), O_RDWR|O_CREAT|O_BINARY, WideSharemode, S_STDRW);
if(_fh != -1) {
word _lastread = (word)Msgn->CvtReln(lastread);
lseekset(_fh, wcatwide->userno, sizeof(word));
write(_fh, &_lastread, sizeof(word));
::close(_fh);
}
GFTRK(NULL);
}
// ------------------------------------------------------------------
void WCatArea::close() {
GFTRK("WCatClose");
if(isopen) {
if(isopen == 1) {
save_lastread();
raw_close();
Msgn->Reset();
throw_release(data->idx);
data_close();
}
isopen--;
}
else {
WideLog->ErrTest();
WideLog->printf("! Trying to close an already closed WildCat! msgbase.");
WideLog->printf(": %s, %s.", echoid(), path());
WideLog->printf("+ Info: This indicates a potentially serious bug.");
WideLog->printf("+ Advice: Report to the Author immediately.");
TestErrorExit();
}
GFTRK(NULL);
}
// ------------------------------------------------------------------
void WCatArea::suspend() {
GFTRK("WCatSuspend");
save_lastread();
GFTRK(NULL);
}
// ------------------------------------------------------------------
void WCatArea::resume() {
GFTRK("WCatResume");
GFTRK(NULL);
}
// ------------------------------------------------------------------