tools/porting/src/logger.cpp
changeset 0 1918ee327afb
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the qt3to4 porting application of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "logger.h"
       
    43 #include <QFile>
       
    44 #include <QDateTime>
       
    45 
       
    46 QT_BEGIN_NAMESPACE
       
    47 
       
    48 LogEntry::LogEntry(QString type, QString location)
       
    49 :type(type), location(location)
       
    50 {}
       
    51 
       
    52 PlainLogEntry::PlainLogEntry(QString type, QString location, QString text)
       
    53 :LogEntry(type, location), text(text)
       
    54 {}
       
    55 
       
    56 SourcePointLogEntry::SourcePointLogEntry(QString type, QString location, QString file, int line, int column, QString text)
       
    57 :LogEntry(type, location), file(file), line(line), column(column), text(text)
       
    58 {}
       
    59 
       
    60 QString SourcePointLogEntry::description() const
       
    61 {
       
    62     return QLatin1String("In file ")  + file +
       
    63         QLatin1String(" at line ") + QString::number(line + 1) + //line count is zero based, adjust here.
       
    64         QLatin1String(" column ")  + QString::number(column) +
       
    65            QLatin1String(": ") + text ;
       
    66 }
       
    67 
       
    68 void SourcePointLogEntry::updateLinePos(int threshold,  int delta)
       
    69 {
       
    70     if (line >= threshold)
       
    71         line += delta;
       
    72 }
       
    73 
       
    74 /////////////////////////////////////////////////////
       
    75 
       
    76 
       
    77 Logger::~Logger()
       
    78 {
       
    79    qDeleteAll(logEntries);
       
    80 }
       
    81 
       
    82 Logger *Logger::theInstance  = 0;
       
    83 Logger *Logger::instance()
       
    84 {
       
    85     if(!theInstance)
       
    86         theInstance = new Logger();
       
    87         return theInstance;
       
    88 }
       
    89 
       
    90 void Logger::deleteInstance()
       
    91 {
       
    92     if(theInstance)
       
    93         delete theInstance;
       
    94 }
       
    95 
       
    96 void Logger::addEntry(LogEntry *entry)
       
    97 {
       
    98    Q_ASSERT(entry);
       
    99    pendingLogEntries.append(entry);
       
   100 }
       
   101 
       
   102 void Logger::beginSection()
       
   103 {
       
   104     commitSection();
       
   105 }
       
   106 
       
   107 void Logger::commitSection()
       
   108 {
       
   109     logEntries += pendingLogEntries;
       
   110     pendingLogEntries.clear();
       
   111 }
       
   112 
       
   113 void Logger::revertSection()
       
   114 {
       
   115     qDeleteAll(pendingLogEntries);
       
   116     pendingLogEntries.clear();
       
   117 }
       
   118 
       
   119 int Logger::numEntries()
       
   120 {
       
   121     commitSection();
       
   122     return logEntries.size();
       
   123 }
       
   124 
       
   125 QStringList Logger::fullReport()
       
   126 {
       
   127     commitSection();
       
   128     QStringList report;
       
   129     report << QLatin1String("Log for qt3to4 on ") + QDateTime::currentDateTime().toString() +
       
   130         QLatin1String(". Number of log entries: ") + QString::number(logEntries.size());
       
   131     foreach(LogEntry *logEntry, logEntries) {
       
   132         report << logEntry->description();
       
   133     }
       
   134     return report;
       
   135 }
       
   136 
       
   137 /*
       
   138     Update the line for all SourcePointLogEntrys in the list of pending log
       
   139     entries located on or after insertLine.
       
   140 */
       
   141 void Logger::updateLineNumbers(int insertLine, int numLines)
       
   142 {
       
   143     foreach(LogEntry *logEntry, pendingLogEntries) {
       
   144         logEntry->updateLinePos(insertLine, numLines);
       
   145     }
       
   146 }
       
   147 
       
   148 QT_END_NAMESPACE