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/**************************************************************************
**
** This file is part of Qt SDK**
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).*
**
** Contact: Nokia Corporation qt-info@nokia.com**
**
** 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
**
** 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 are unsure which license is appropriate for your use, please contact
** (qt-info@nokia.com).
**
**************************************************************************/
#include "utils.h"
#include <QByteArray>
#include <QHash>
#include <QIODevice>
#include <QProcessEnvironment>
#include <QtCore/QDateTime>
#include <QString>
#include <QUrl>
#include <QFileInfo>
#include <QDir>
#include <fstream>
#include <iostream>
#include <sstream>
static bool verb = false;
void QInstaller::setVerbose( bool v ) {
verb = v;
}
bool QInstaller::isVerbose()
{
return verb;
}
#ifdef Q_WS_WIN
void qWinMsgHandler(QtMsgType t, const char* str);
class debugstream : public std::ostream
{
class buf : public std::stringbuf
{
public:
buf()
{
}
int sync()
{
std::string s = str();
if( s[ s.length() - 1 ] == '\n' )
s[ s.length() - 1 ] = '\0'; // remove \n
qWinMsgHandler( QtDebugMsg, s.c_str() );
std::cout << s << std::endl;
str( std::string() );
return 0;
}
};
public:
debugstream()
: std::ostream( &b )
{
}
private:
buf b;
};
#endif
std::ostream& QInstaller::stdverbose()
{
static std::fstream null;
#ifdef Q_WS_WIN
// TODO: this one get leaked
static debugstream& stream = *(new debugstream);
#else
static std::ostream& stream = std::cout;
#endif
if( verb )
return stream;
else
return null;
}
std::ostream& QInstaller::operator<<( std::ostream& os, const QUrl& url )
{
return os << "QUrl( " << url.toString() << ")";
}
std::ostream& QInstaller::operator<<( std::ostream& os, const QString& string )
{
return os << qPrintable(string);
}
std::ostream& QInstaller::operator<<( std::ostream& os, const QByteArray& array )
{
return os << '"' << QString::fromAscii( array ) << '"';
}
//TODO from kdupdaterfiledownloader.cpp, use that one once merged
QByteArray QInstaller::calculateHash( QIODevice* device, QCryptographicHash::Algorithm algo ) {
Q_ASSERT( device );
QCryptographicHash hash( algo );
QByteArray buffer;
buffer.resize( 512 * 1024 );
while ( true ) {
const qint64 numRead = device->read( buffer.data(), buffer.size() );
if ( numRead <= 0 )
return hash.result();
hash.addData( buffer.constData(), numRead );
}
return QByteArray(); // never reached
}
QString QInstaller::replaceVariables(const QHash<QString,QString>& vars, const QString &str)
{
QString res;
int pos = 0;
while (true) {
int pos1 = str.indexOf( QLatin1Char( '@' ), pos);
if (pos1 == -1)
break;
int pos2 = str.indexOf( QLatin1Char( '@' ), pos1 + 1);
if (pos2 == -1)
break;
res += str.mid(pos, pos1 - pos);
QString name = str.mid(pos1 + 1, pos2 - pos1 - 1);
res += vars.value(name);
pos = pos2 + 1;
}
res += str.mid(pos);
return res;
}
QString QInstaller::replaceWindowsEnvironmentVariables(const QString &str)
{
const QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
QString res;
int pos = 0;
while (true) {
int pos1 = str.indexOf( QLatin1Char( '%' ), pos);
if (pos1 == -1)
break;
int pos2 = str.indexOf( QLatin1Char( '%' ), pos1 + 1);
if (pos2 == -1)
break;
res += str.mid(pos, pos1 - pos);
QString name = str.mid(pos1 + 1, pos2 - pos1 - 1);
res += env.value(name);
pos = pos2 + 1;
}
res += str.mid(pos);
return res;
}
QInstaller::VerboseWriter::VerboseWriter(QObject *parent) : QObject(parent)
{
preFileBuffer.open(QIODevice::ReadWrite);
stream.setDevice(&preFileBuffer);
}
QInstaller::VerboseWriter::~VerboseWriter()
{
stream.flush();
if (logFileName.isEmpty()) // binarycreator
return;
//if the installer installed nothing - there is no target directory - where the logfile can be saved
if (!QFileInfo(logFileName).absoluteDir().exists()) {
return;
}
QFile output(logFileName);
if (!output.open(QIODevice::ReadWrite | QIODevice::Append))
qFatal("Could not open logfile!");
QString logInfo;
logInfo += QLatin1String("*************************************");
logInfo += QString::fromLatin1("Invoked:") + QDateTime::currentDateTime().toString();
output.write(logInfo.toLocal8Bit());
output.write(preFileBuffer.data());
output.close();
}
void QInstaller::VerboseWriter::setOutputStream(const QString &fileName)
{
logFileName = fileName;
}
Q_GLOBAL_STATIC(QInstaller::VerboseWriter, verboseWriter);
QInstaller::VerboseWriter* QInstaller::VerboseWriter::instance()
{
return verboseWriter();
}
QInstaller::VerboseWriter& QInstaller::verbose()
{
return *verboseWriter();
}
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