calamares/src/libcalamaresui/utils/YamlUtils.cpp
2015-03-27 11:59:44 +01:00

106 lines
2.8 KiB
C++

/* === This file is part of Calamares - <http://github.com/calamares> ===
*
* Copyright 2014, Teo Mrnjavac <teo@kde.org>
*
* Calamares 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 3 of the License, or
* (at your option) any later version.
*
* Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
*/
#include "YamlUtils.h"
#include <yaml-cpp/yaml.h>
#include <QRegExp>
void
operator>>( const YAML::Node& node, QStringList& v )
{
for ( int i = 0; i < node.size(); ++i )
{
v.append( QString::fromStdString( node[ i ].as< std::string >() ) );
}
}
namespace CalamaresUtils
{
const QRegExp _yamlScalarTrueValues = QRegExp( "true|True|TRUE|on|On|ON" );
const QRegExp _yamlScalarFalseValues = QRegExp( "false|False|FALSE|off|Off|OFF" );
QVariant
yamlToVariant( const YAML::Node& node )
{
switch ( node.Type() )
{
case YAML::NodeType::Scalar:
return yamlScalarToVariant( node );
case YAML::NodeType::Sequence:
return yamlSequenceToVariant( node );
case YAML::NodeType::Map:
return yamlMapToVariant( node );
case YAML::NodeType::Null:
return QVariant();
}
return QVariant();
}
QVariant
yamlScalarToVariant( const YAML::Node& scalarNode )
{
std::string stdScalar = scalarNode.as< std::string >();
QString scalarString = QString::fromStdString( stdScalar );
if ( _yamlScalarTrueValues.exactMatch( scalarString ) )
return QVariant( true );
if ( _yamlScalarFalseValues.exactMatch( scalarString ) )
return QVariant( false );
if ( QRegExp( "[-+]?\\d+" ).exactMatch( scalarString ) )
return QVariant( scalarString.toInt() );
if ( QRegExp( "[-+]?\\d*\\.?\\d+" ).exactMatch( scalarString ) )
return QVariant( scalarString.toDouble() );
return QVariant( scalarString );
}
QVariant
yamlSequenceToVariant( const YAML::Node& sequenceNode )
{
QVariantList vl;
for ( YAML::const_iterator it = sequenceNode.begin();
it != sequenceNode.end(); ++it )
{
vl << yamlToVariant( *it );
}
return vl;
}
QVariant
yamlMapToVariant( const YAML::Node& mapNode )
{
QVariantMap vm;
for ( YAML::const_iterator it = mapNode.begin();
it != mapNode.end(); ++it )
{
vm.insert( QString::fromStdString( it->first.as< std::string >() ),
yamlToVariant( it->second ) );
}
return vm;
}
}