/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the qt3to4 porting application of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#include "logger.h"

#include <QFile>

#include <QDateTime>

QT_BEGIN_NAMESPACE

LogEntry::LogEntry(QString type, QString location)

:type(type), location(location)

{}

PlainLogEntry::PlainLogEntry(QString type, QString location, QString text)

:LogEntry(type, location), text(text)

{}

SourcePointLogEntry::SourcePointLogEntry(QString type, QString location, QString file, int line, int column, QString text)

:LogEntry(type, location), file(file), line(line), column(column), text(text)

{}

QString SourcePointLogEntry::description() const

{

    return QLatin1String("In file ")  + file +

        QLatin1String(" at line ") + QString::number(line + 1) + //line count is zero based, adjust here.

        QLatin1String(" column ")  + QString::number(column) +

           QLatin1String(": ") + text ;

}

void SourcePointLogEntry::updateLinePos(int threshold,  int delta)

{

    if (line >= threshold)

        line += delta;

}

/////////////////////////////////////////////////////

Logger::~Logger()

{

   qDeleteAll(logEntries);

}

Logger *Logger::theInstance  = 0;

Logger *Logger::instance()

{

    if(!theInstance)

        theInstance = new Logger();

        return theInstance;

}

void Logger::deleteInstance()

{

    if(theInstance)

        delete theInstance;

}

void Logger::addEntry(LogEntry *entry)

{

   Q_ASSERT(entry);

   pendingLogEntries.append(entry);

}

void Logger::beginSection()

{

    commitSection();

}

void Logger::commitSection()

{

    logEntries += pendingLogEntries;

    pendingLogEntries.clear();

}

void Logger::revertSection()

{

    qDeleteAll(pendingLogEntries);

    pendingLogEntries.clear();

}

int Logger::numEntries()

{

    commitSection();

    return logEntries.size();

}

QStringList Logger::fullReport()

{

    commitSection();

    QStringList report;

    report << QLatin1String("Log for qt3to4 on ") + QDateTime::currentDateTime().toString() +

        QLatin1String(". Number of log entries: ") + QString::number(logEntries.size());

    foreach(LogEntry *logEntry, logEntries) {

        report << logEntry->description();

    }

    return report;

}

/*

    Update the line for all SourcePointLogEntrys in the list of pending log

    entries located on or after insertLine.

*/

void Logger::updateLineNumbers(int insertLine, int numLines)

{

    foreach(LogEntry *logEntry, pendingLogEntries) {

        logEntry->updateLinePos(insertLine, numLines);

    }

}

QT_END_NAMESPACE