/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the qt3to4 porting application of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "logger.h"+
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#include <QFile>+
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#include <QDateTime>+
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+
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QT_BEGIN_NAMESPACE+
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+
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LogEntry::LogEntry(QString type, QString location)+
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:type(type), location(location)+
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{}+
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+
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PlainLogEntry::PlainLogEntry(QString type, QString location, QString text)+
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:LogEntry(type, location), text(text)+
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{}+
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+
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SourcePointLogEntry::SourcePointLogEntry(QString type, QString location, QString file, int line, int column, QString text)+
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:LogEntry(type, location), file(file), line(line), column(column), text(text)+
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{}+
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+
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QString SourcePointLogEntry::description() const+
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{+
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    return QLatin1String("In file ")  + file ++
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        QLatin1String(" at line ") + QString::number(line + 1) + //line count is zero based, adjust here.+
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        QLatin1String(" column ")  + QString::number(column) ++
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           QLatin1String(": ") + text ;+
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}+
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+
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void SourcePointLogEntry::updateLinePos(int threshold,  int delta)+
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{+
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    if (line >= threshold)+
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        line += delta;+
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}+
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+
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/////////////////////////////////////////////////////+
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+
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+
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Logger::~Logger()+
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{+
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   qDeleteAll(logEntries);+
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}+
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+
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Logger *Logger::theInstance  = 0;+
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Logger *Logger::instance()+
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{+
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    if(!theInstance)+
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        theInstance = new Logger();+
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        return theInstance;+
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}+
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+
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void Logger::deleteInstance()+
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{+
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    if(theInstance)+
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        delete theInstance;+
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}+
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+
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void Logger::addEntry(LogEntry *entry)+
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{+
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   Q_ASSERT(entry);+
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   pendingLogEntries.append(entry);+
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}+
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+
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void Logger::beginSection()+
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{+
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    commitSection();+
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}+
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+
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void Logger::commitSection()+
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{+
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    logEntries += pendingLogEntries;+
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    pendingLogEntries.clear();+
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}+
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+
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void Logger::revertSection()+
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{+
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    qDeleteAll(pendingLogEntries);+
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    pendingLogEntries.clear();+
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}+
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+
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int Logger::numEntries()+
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{+
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    commitSection();+
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    return logEntries.size();+
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}+
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+
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QStringList Logger::fullReport()+
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{+
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    commitSection();+
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    QStringList report;+
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    report << QLatin1String("Log for qt3to4 on ") + QDateTime::currentDateTime().toString() ++
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        QLatin1String(". Number of log entries: ") + QString::number(logEntries.size());+
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    foreach(LogEntry *logEntry, logEntries) {+
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        report << logEntry->description();+
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    }+
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    return report;+
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}+
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+
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/*+
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    Update the line for all SourcePointLogEntrys in the list of pending log+
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    entries located on or after insertLine.+
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*/+
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void Logger::updateLineNumbers(int insertLine, int numLines)+
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{+
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    foreach(LogEntry *logEntry, pendingLogEntries) {+
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        logEntry->updateLinePos(insertLine, numLines);+
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    }+
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}+
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+
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QT_END_NAMESPACE+
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