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/****************************************************************************
Copyright (C) 2005 - 2011 Filipe AZEVEDO & The Monkey Studio Team
http://monkeystudio.org licensing under the GNU GPL.
This program 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 program 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, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#include "pEnvironmentVariablesManager.h"
#include "pSettings.h"
#include <QProcess>
#include <QCoreApplication>
const QString pEnvironmentVariablesManager::mSettingsKey( "EnvironmentVariables" );
pEnvironmentVariablesManager::~pEnvironmentVariablesManager()
{
}
bool pEnvironmentVariablesManager::load()
{
return readVariables( mVariables );
}
bool pEnvironmentVariablesManager::save()
{
return writeVariables( mVariables );
}
pEnvironmentVariablesModel::Variables pEnvironmentVariablesManager::variables() const
{
pEnvironmentVariablesModel::Variables variables = mVariables;
if ( variables.isEmpty() )
{
variables = pEnvironmentVariablesModel::stringListToVariables( QProcess::systemEnvironment() );
}
else
{
mergeNewVariables( variables );
}
return variables;
}
void pEnvironmentVariablesManager::setVariables( const pEnvironmentVariablesModel::Variables& variables )
{
mVariables = removeUnmodifiedVariables( variables );
}
bool pEnvironmentVariablesManager::mergeNewVariables( pEnvironmentVariablesModel::Variables& variables ) const
{
const pEnvironmentVariablesModel::Variables newVariables = pEnvironmentVariablesModel::stringListToVariables( QProcess::systemEnvironment() );
bool modified = false;
foreach ( const QString& name, newVariables.keys() )
{
if ( variables.contains( name ) )
{
continue;
}
modified = true;
variables[ name ] = newVariables[ name ];
}
return modified;
}
pEnvironmentVariablesModel::Variables pEnvironmentVariablesManager::mergeNewVariables( const pEnvironmentVariablesModel::Variables& variables ) const
{
pEnvironmentVariablesModel::Variables items = variables;
mergeNewVariables( items );
return items;
}
bool pEnvironmentVariablesManager::removeUnmodifiedVariables( pEnvironmentVariablesModel::Variables& variables ) const
{
const pEnvironmentVariablesModel::Variables sysVariables = pEnvironmentVariablesModel::stringListToVariables( QProcess::systemEnvironment() );
bool modified = false;
foreach ( const pEnvironmentVariablesModel::Variable& variable, variables )
{
if ( !variable.enabled )
{
continue;
}
if ( sysVariables.contains( variable.name ) && variable.value == sysVariables[ variable.name ].value )
{
variables.remove( variable.name );
modified = true;
}
}
return modified;
}
pEnvironmentVariablesModel::Variables pEnvironmentVariablesManager::removeUnmodifiedVariables( const pEnvironmentVariablesModel::Variables& variables ) const
{
pEnvironmentVariablesModel::Variables items = variables;
removeUnmodifiedVariables( items );
return items;
}
QStringList pEnvironmentVariablesManager::variables( bool keepDisabled ) const
{
return pEnvironmentVariablesModel::variablesToStringList( variables(), keepDisabled );
}
bool pEnvironmentVariablesManager::writeVariables( const pEnvironmentVariablesModel::Variables& variables ) const
{
pSettings settings( qApp, "EnvironmentVariables", "1.0.0" );
settings.remove( mSettingsKey );
settings.beginWriteArray( mSettingsKey );
for ( int i = 0; i < variables.count(); i++ )
{
settings.setArrayIndex( i );
const pEnvironmentVariablesModel::Variable& variable = (variables.begin() +i).value();
settings.setValue( "Name", variable.name );
settings.setValue( "Value", variable.value );
settings.setValue( "Enabled", variable.enabled );
}
settings.endArray();
return true;
}
bool pEnvironmentVariablesManager::readVariables( pEnvironmentVariablesModel::Variables& variables ) const
{
pSettings settings( qApp, "EnvironmentVariables", "1.0.0" );
const int count = settings.beginReadArray( mSettingsKey );
for ( int i = 0; i < count; i++ )
{
settings.setArrayIndex( i );
variables[ settings.value( "Name" ).toString() ] =
pEnvironmentVariablesModel::Variable( settings.value( "Name" ).toString(),
settings.value( "Value" ).toString(), settings.value( "Enabled" ).toBool() );
}
settings.endArray();
return true;
}
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