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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Util.h"
#include "Debug.h"
#include "File.h"
#include <QDir>
#include <QProcess>
#include <QStringList>
#include <QHostInfo>
#if QT_VERSION >= 0x050000
#include <QStandardPaths>
#endif
#include <unistd.h>
//______________________________________________________________________
QString Util::env( const QString& val, const QString& defaultValue )
{
for( const auto& entry:QProcess::systemEnvironment() )
{
// TODO: should use regular expression
int position( entry.indexOf( "=" ) );
if( position <= 0 ) continue;
auto var( entry.left( position ) );
if( var == QString( val ) ) return entry.mid( position+1 );
}
return defaultValue;
}
//______________________________________________________________________
QString Util::user()
{
Debug::Throw( "Util::user.\n" );
#if defined(Q_OS_WIN)
return env( "USERNAME", QObject::tr( "unknown user" ) );
#else
// first try look for USERNAME environment variable
// if failed, try USER
// if failed, return unknown.
return env( "USERNAME", env( "USER", QObject::tr( "unknown user" ) ) );
#endif
}
//______________________________________________________________________
QString Util::domain()
{
Debug::Throw( "Util::domain.\n" );
#if QT_VERSION >= 0x040500
return QHostInfo::localDomainName();
#else
// use system environment.
// should work for windows
return env( "USERDOMAIN", "localdomain" );
#endif
}
//_____________________________________________________
QString Util::windowTitle( const QString& title )
{
Debug::Throw( "Util::windowTitle.\n" );
QString host( Util::host() );
if( host.contains( "localhost" ) ) return title;
else return QString( "%1 [%2]" ).arg( title, host );
return title;
}
//______________________________________________________________________
File Util::home()
{ return File( QDir::homePath() ); }
//______________________________________________________________________
File Util::tmp()
{ return File( QDir::tempPath() ); }
//______________________________________________________________________
File Util::config()
{
#if QT_VERSION >= 0x050000
return File( QStandardPaths::writableLocation( QStandardPaths::ConfigLocation ) );
#else
return File( ".config/" ).addPath( home() );
#endif
}
//______________________________________________________________________
QString Util::host( bool shortName )
{
// use system environment
// it does not work for windows
Debug::Throw( "Util::host.\n" );
auto out( QHostInfo::localHostName() );
if( ! shortName ) return out;
else {
int pos( out.indexOf( "." ) );
return ( pos <0 ) ? out:out.left( pos );
}
}
//______________________________________________________________________
int Util::pid()
{ return getpid(); }
//______________________________________________________________________
File Util::workingDirectory()
{ return File( QDir::currentPath() ); }
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