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/******************************************************************************
*
* package: Log4Qt
* file: logerror.cpp
* created: September 2007
* author: Martin Heinrich
*
*
* Copyright 2007 Martin Heinrich
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
* Dependencies
*****************************************************************************/
#include "helpers/logerror.h"
#include <QtCore/QBuffer>
#include <QtCore/QByteArray>
#include <QtCore/QDataStream>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QTextCodec>
#include <QtCore/QThreadStorage>
#include "helpers/initialisationhelper.h"
namespace Log4Qt
{
/**************************************************************************
* Declarations
**************************************************************************/
typedef QThreadStorage<LogError *> ThreadError;
/**************************************************************************
* C helper functions
**************************************************************************/
LOG4QT_GLOBAL_STATIC(ThreadError, thread_error)
/**************************************************************************
* Class implementation: LogError
**************************************************************************/
LogError::LogError() :
mCode(0),
mContext(),
mMessage(),
mSymbol(),
mArgs(),
mCausingErrors()
{
}
LogError::LogError(const QString &rMessage,
int code,
const QString &rSymbol,
const QString &rContext) :
mCode(code),
mContext(rContext),
mMessage(cleanMessage(rMessage)),
mSymbol(rSymbol),
mArgs(),
mCausingErrors()
{
}
LogError::LogError(const char *pMessage,
int code,
const char *pSymbol,
const char *pContext,
Encoding encoding) :
mCode(code),
mContext(QString::fromLatin1(pContext)),
mMessage(),
mSymbol(QString::fromLatin1(pSymbol)),
mArgs(),
mCausingErrors()
{
switch(encoding)
{
case LATIN1:
mMessage = QString::fromLatin1(pMessage);
break;
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
case CODECFORTR:
mMessage = QTextCodec::codecForTr()->toUnicode(pMessage);
break;
#endif
case UNICODEUTF8:
mMessage = QString::fromUtf8(pMessage);
break;
default:
Q_ASSERT_X(false, "LogError::LogError", "Unkown encoding constant");
mMessage = QString::fromLatin1(pMessage);
}
mMessage = cleanMessage(mMessage);
if (mSymbol == QString::number(mCode))
mSymbol.clear();
}
QString LogError::translatedMessage() const
{
return QCoreApplication::translate(mContext.toLatin1(), mMessage.toUtf8().data(), 0
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
, QCoreApplication::UnicodeUTF8
#endif
);
}
LogError LogError::lastError()
{
if (!thread_error()->hasLocalData())
return LogError();
else
return *thread_error()->localData();
}
void LogError::setLastError(const LogError &rLogError)
{
if (!thread_error()->hasLocalData())
thread_error()->setLocalData(new LogError);
*thread_error()->localData() = rLogError;
}
QString LogError::toString() const
{
QString result = messageWithArgs();
QString context_symbol = mContext;
if (!context_symbol.isEmpty() && !mSymbol.isEmpty())
context_symbol.append(QLatin1String("::"));
context_symbol.append(mSymbol);
if (!context_symbol.isEmpty() || mCode)
{
result.append(QLatin1String(" ("));
if (!context_symbol.isEmpty())
result.append(context_symbol);
if (!context_symbol.isEmpty() && mCode)
result.append(QLatin1String(", "));
if (mCode)
result.append(QString::number(mCode));
result.append(QLatin1String(")"));
}
if (!mCausingErrors.isEmpty())
{
QString causing_errors_str = QLatin1String(": ") + mCausingErrors.at(0).toString();
int i = 1;
while (i < mCausingErrors.count())
{
causing_errors_str.append(QLatin1String(", ")).append(mCausingErrors.at(i).toString());
i++;
}
result.append(causing_errors_str);
}
return result;
}
QString LogError::insertArgs(const QString &rMessage) const
{
QString result;
/*
// Don't use a loop to be able to handle arguments that conatin strings
// like %1.
// Using this method only 9 arguments can be handled as the %1
// in %11 gets also replaced with the first argument.
switch (mArgs.count())
{
case 0:
break;
case 1:
result = rMessage.arg(mArgs.at(0));
break;
case 2:
result = rMessage.arg(mArgs.at(0), mArgs.at(1));
break;
case 3:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2));
break;
case 4:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2), mArgs.at(3));
break;
case 5:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2), mArgs.at(3), mArgs.at(4));
break;
case 6:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2), mArgs.at(3), mArgs.at(4), mArgs.at(5));
break;
case 7:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2), mArgs.at(3), mArgs.at(4), mArgs.at(5), mArgs.at(6));
break;
case 8:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2), mArgs.at(3), mArgs.at(4), mArgs.at(5), mArgs.at(6), mArgs.at(7));
break;
default:
result = rMessage.arg(mArgs.at(0), mArgs.at(1), mArgs.at(2), mArgs.at(3), mArgs.at(4), mArgs.at(5), mArgs.at(6), mArgs.at(7), mArgs.at(8));
break;
}
if (mArgs.count() > 9)
{
int i = 9;
while(i < mArgs.count())
{
result = result.arg(mArgs.at(i));
i++;
}
}
*/
result = rMessage;
QVariant arg;
Q_FOREACH(arg, mArgs)
result = result.arg(arg.toString());
return result;
}
QString LogError::cleanMessage(const QString &rMessage)
{
if (rMessage.isEmpty())
return rMessage;
QString result = rMessage;
if (rMessage.at(rMessage.size() - 1) == QLatin1Char('.'))
result = rMessage.left(rMessage.size() - 1);
return result;
}
/**************************************************************************
* Implementation: Operators, Helper
**************************************************************************/
#ifndef QT_NO_DATASTREAM
QDataStream &operator<<(QDataStream &rStream,
const LogError &rLogError)
{
QBuffer buffer;
buffer.open(QIODevice::WriteOnly);
QDataStream stream(&buffer);
// version
quint16 version = 0;
stream << version;
// version 0 data
stream << rLogError.mCode
<< rLogError.mContext
<< rLogError.mMessage
<< rLogError.mSymbol
<< rLogError.mArgs
<< rLogError.mCausingErrors;
buffer.close();
rStream << buffer.buffer();
return rStream;
}
QDataStream &operator>>(QDataStream &rStream,
LogError &rLogError)
{
QByteArray array;
rStream >> array;
QBuffer buffer(&array);
buffer.open(QIODevice::ReadOnly);
QDataStream stream(&buffer);
// version
quint16 version;
stream >> version;
// Version 0 data
QString level;
QString logger;
stream >> rLogError.mCode
>> rLogError.mContext
>> rLogError.mMessage
>> rLogError.mSymbol
>> rLogError.mArgs
>> rLogError.mCausingErrors;
buffer.close();
return rStream;
}
#endif // QT_NO_DATASTREAM
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug debug,
const LogError &rLogError)
{
// Escape % sign
QString message = rLogError.message();
message.replace(QLatin1String("%"), QLatin1String("%%"));
debug.nospace() << "LogError("
<< "code:" << rLogError.code() << " "
<< "context:" << rLogError.context() << " "
<< "message:" << message << " "
<< "symbol:" << rLogError.symbol() << " "
<< "args:" << rLogError.args()
<< "translatedMessage:" << rLogError.translatedMessage()
<< ")";
return debug.maybeSpace();
}
#endif // QT_NO_DEBUG_STREAM
} // namespace Log4Qt
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