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/*
This file is part of the Boson game
Copyright (C) 2004 Andreas Beckermann (b_mann@gmx.de)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "bodebuglog.h"
#include "bodebuglog.moc"
#include "bodebug.h"
#include <kstaticdeleter.h>
static const int maxLevels = 4; // see BoDebug::DebugLevels
static KStaticDeleter<BoDebugLog> sd;
BoDebugLog* BoDebugLog::mDebugLog = 0;
BoDebugLog::BoDebugLog()
{
mLists = maxLevels;
mAllMessages.setAutoDelete(true);
mMessages = new QPtrList<BoDebugMessage>[mLists];
mMaxCount = new unsigned int[mLists];
mPopAtFront = new bool[mLists];
mEmitSignal = new bool[mLists];
for (int i = 0; i < mLists; i++) {
mMessages[i].setAutoDelete(true);
mPopAtFront[i] = false;
mMaxCount[i] = 1000;
mEmitSignal[i] = false;
}
mAllMaxCount = 1000;
mAllPopAtFront = false;
mAllEmitSignal = false;
// note: for ERROR and WARN, we will never reach these limits.
// if ERROR ever goes beyound 10000 entries, we have a lot of more grave
// problems anyway.
// but INFO can easily reach _huge_ numbers
setMaxCount(BoDebug::KDEBUG_ERROR, 1000);
setMaxCount(BoDebug::KDEBUG_WARN, 500);
setMaxCount(BoDebug::KDEBUG_INFO, 2000);
// the most recent errors are the important ones
setPopAtFront(BoDebug::KDEBUG_INFO, true);
// the separate list that is independant of the level
setMaxCount(-1, 5000);
setPopAtFront(-1, true);
}
BoDebugLog::~BoDebugLog()
{
for (int i = 0; i < mLists; i++) {
mMessages[i].clear();
}
delete[] mMessages;
delete[] mMaxCount;
delete[] mPopAtFront;
delete[] mEmitSignal;
// set static pointer back to NULL. this is safe, as there is only at most one
// object of this class
mDebugLog = 0;
}
void BoDebugLog::initStatic()
{
static bool initialized = false;
if (initialized) {
// AB: note that even if mDebugLog == 0, initialized may still be false.
// this can happen on destruction, if some debug message is emitted
// after the log has been deleted already. we don't want to re-create
// it, and so we use that initialized variable.
return;
}
initialized = true;
mDebugLog = new BoDebugLog;
sd.setObject(mDebugLog);
}
void BoDebugLog::addEntry(const QString& string, int area, const QString& areaName, int level)
{
if (level < 0 || level >= mLists) {
return;
}
bool addToLevel = true;
bool addToAll = true;
unsigned int countLevel = mMessages[level].count();
unsigned int countAll = mAllMessages.count();
QString backtrace;
if (countLevel >= mMaxCount[level]) {
if (mPopAtFront[level]) {
mMessages[level].removeFirst();
} else {
// pop from the end - aka don't add anything
addToLevel = false;
}
}
if (countAll >= mAllMaxCount) {
if (mAllPopAtFront) {
mAllMessages.removeFirst();
} else {
// pop from the end - aka don't add anything
addToAll = false;
}
}
if (level != BoDebug::KDEBUG_INFO) {
backtrace = boBacktrace(-1);
}
if (addToLevel) {
BoDebugMessage* m = new BoDebugMessage(string, area, areaName, level, backtrace);
mMessages[level].append(m);
}
if (addToAll) {
BoDebugMessage* m = new BoDebugMessage(string, area, areaName, level, backtrace);
mAllMessages.append(m);
}
if (mEmitSignal[level] || mAllEmitSignal) {
BoDebugMessage m(string, area, areaName, level, backtrace);
emit signalMessage(m);
switch (level) {
case BoDebug::KDEBUG_INFO:
emit signalDebug(m);
break;
case BoDebug::KDEBUG_WARN:
emit signalWarn(m);
break;
case BoDebug::KDEBUG_ERROR:
emit signalError(m);
break;
case BoDebug::KDEBUG_FATAL:
emit signalFatal(m);
break;
default:
break;
}
}
}
void BoDebugLog::setMaxCount(int level, unsigned int count)
{
if (level >= mLists) {
return;
}
if (level < 0) {
mAllMaxCount = count;
} else {
mMaxCount[level] = count;
}
}
void BoDebugLog::setPopAtFront(int level, bool front)
{
if (level >= mLists) {
return;
}
if (level < 0) {
mAllPopAtFront = front;
} else {
mPopAtFront[level] = front;
}
}
void BoDebugLog::setEmitSignal(int level, bool e)
{
if (level >= mLists) {
return;
}
if (level < 0) {
mAllEmitSignal = e;
} else {
mEmitSignal[level] = e;
}
}
const QPtrList<BoDebugMessage>* BoDebugLog::messageLogLevel(int level) const
{
if (level >= mLists) {
return 0;
}
if (level < 0) {
return &mAllMessages;
}
return &mMessages[level];
}
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