PropertyValue.cpp

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// ============================================================================
// Include files
// ============================================================================
#include "PropertyValue.h"
// ============================================================================
// STD & STL:
// ============================================================================
// ============================================================================
// Boost:
// ============================================================================
#include <boost/format.hpp>
// ============================================================================
namespace gp = Gaudi::Parsers;
// ============================================================================
bool gp::PropertyValue::IsSimple() const { return boost::get<std::string>( &value_ ) != NULL; }
// ============================================================================
bool gp::PropertyValue::IsVector() const { return boost::get<std::vector<std::string>>( &value_ ) != NULL; }
// ============================================================================
bool gp::PropertyValue::IsMap() const { return boost::get<std::map<std::string, std::string>>( &value_ ) != NULL; }
// ============================================================================
gp::PropertyValue& gp::PropertyValue::operator+=( const PropertyValue& right ) {

  if ( IsSimple() || IsReference() ) { throw PropertyValueException::WrongLValue(); }

  if ( IsVector() ) {
    if ( right.IsSimple() ) {
      boost::get<VectorOfStrings>( value_ ).push_back( boost::get<std::string>( right.value_ ) );
      return *this;
    }
    if ( right.IsVector() ) {
      VectorOfStrings& vec = boost::get<VectorOfStrings>( value_ );
      for ( const auto& item : boost::get<VectorOfStrings>( right.value_ ) ) { vec.push_back( item ); }
      return *this;
    }
    throw PropertyValueException::WrongRValue();
  }

  if ( IsMap() ) {
    if ( !right.IsMap() ) { throw PropertyValueException::WrongRValue(); }
    MapOfStrings&       map  = boost::get<MapOfStrings>( value_ );
    const MapOfStrings& rmap = boost::get<MapOfStrings>( right.value_ );
    for ( const auto& item : rmap ) { map.insert( item ); }
    return *this;
  }
  return *this;
}

const gp::PropertyValue gp::PropertyValue::operator+( const PropertyValue& right ) {
  return PropertyValue{*this} += right;
}

gp::PropertyValue& gp::PropertyValue::operator-=( const PropertyValue& right ) {
  if ( IsSimple() || IsReference() ) { throw PropertyValueException::WrongLValue(); }

  if ( IsVector() ) {
    VectorOfStrings& vec = Vector();
    if ( right.IsSimple() ) {
      vec.erase( std::find( vec.begin(), vec.end(), right.String() ) );
      return *this;
    }

    if ( right.IsVector() ) {
      const VectorOfStrings& rvec = right.Vector();
      for ( const auto& item : rvec ) { vec.erase( std::find( vec.begin(), vec.end(), item ) ); }
      return *this;
    }
    throw PropertyValueException::WrongRValue();
  }

  if ( IsMap() ) {
    MapOfStrings& map = Map();
    if ( right.IsSimple() ) {
      map.erase( right.String() );
      return *this;
    }

    if ( right.IsVector() ) {
      const VectorOfStrings& rvec = right.Vector();
      for ( const auto& item : rvec ) { map.erase( item ); }
      return *this;
    }
    throw PropertyValueException::WrongRValue();
  }
  throw PropertyValueException::WrongLValue();
}

const gp::PropertyValue gp::PropertyValue::operator-( const PropertyValue& right ) {
  return PropertyValue{*this} -= right;
}
// ============================================================================
std::string gp::PropertyValue::ToString() const {
  if ( IsReference() ) {
    const std::vector<std::string>* value = boost::get<std::vector<std::string>>( &value_ );
    assert( value != NULL );
    if ( value->at( 0 ) != "" ) {
      return "@" + value->at( 0 ) + "." + value->at( 1 );
    } else {
      return "@" + value->at( 0 );
    }
  }
  if ( const std::string* value = boost::get<std::string>( &value_ ) ) {
    return *value;
  } else if ( const std::vector<std::string>* value = boost::get<std::vector<std::string>>( &value_ ) ) {
    std::string result = "[";
    std::string delim  = "";
    for ( const auto& in : *value ) {
      result += delim + in;
      delim = ", ";
    }
    return result + "]";
  } else if ( const std::map<std::string, std::string>* value =
                  boost::get<std::map<std::string, std::string>>( &value_ ) ) {
    std::string result = "{";
    std::string delim  = "";
    for ( const auto& in : *value ) {
      result += delim + in.first + ":" + in.second;
      delim = ", ";
    }
    return result + "}";
  }
  assert( false );
  // @todo Check the validity of this logic
  return std::string(); // avoid compilation warning
}