PropertyValue.cpp

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// ============================================================================
// Include files
// ============================================================================
#include "PropertyValue.h"
#include <GaudiKernel/compose.h>
// ============================================================================
// STD & STL:
// ============================================================================
// ============================================================================
// Boost:
// ============================================================================
#include <boost/algorithm/string/join.hpp>
#include <boost/format.hpp>
// ============================================================================
namespace gp = Gaudi::Parsers;
// ============================================================================
bool gp::PropertyValue::IsSimple() const { return std::holds_alternative<std::string>( value_ ); }
// ============================================================================
bool gp::PropertyValue::IsVector() const { return std::holds_alternative<VectorOfStrings>( value_ ); }
// ============================================================================
bool gp::PropertyValue::IsMap() const { return std::holds_alternative<MapOfStrings>( value_ ); }
// ============================================================================
gp::PropertyValue& gp::PropertyValue::operator+=( const PropertyValue& right ) {
 
  if ( IsReference() ) { throw PropertyValueException::WrongLValue(); }
  std::visit(
      Gaudi::overload(
          []( std::string&, const auto& ) { throw PropertyValueException::WrongLValue(); },
          []( VectorOfStrings& lhs, const std::string& rhs ) { lhs.push_back( rhs ); },
          []( VectorOfStrings& lhs, const VectorOfStrings& rhs ) { lhs.insert( lhs.end(), rhs.begin(), rhs.end() ); },
          []( MapOfStrings& lhs, const MapOfStrings& rhs ) { lhs.insert( rhs.begin(), rhs.end() ); },
          []( auto&, const auto& ) { throw PropertyValueException::WrongRValue(); } ),
      value_, right.value_ );
  return *this;
}
 
const gp::PropertyValue gp::PropertyValue::operator+( const PropertyValue& right ) {
  return PropertyValue{ *this } += right;
}
 
gp::PropertyValue& gp::PropertyValue::operator-=( const PropertyValue& right ) {
  if ( IsReference() ) { throw PropertyValueException::WrongLValue(); }
  std::visit(
      Gaudi::overload( []( std::vector<std::string>& lhs,
                           const std::string&        rhs ) { lhs.erase( std::find( lhs.begin(), lhs.end(), rhs ) ); },
                       []( std::vector<std::string>& lhs, const std::vector<std::string>& rhs ) {
                         for ( const auto& item : rhs ) lhs.erase( std::find( lhs.begin(), lhs.end(), item ) );
                       },
                       []( std::map<std::string, std::string>& lhs, const std::string& rhs ) { lhs.erase( rhs ); },
                       []( std::map<std::string, std::string>& lhs, const std::vector<std::string>& rhs ) {
                         for ( const auto& item : rhs ) lhs.erase( item );
                       },
                       []( std::string&, const auto& ) { throw PropertyValueException::WrongLValue(); },
                       []( auto&, const auto& ) { throw PropertyValueException::WrongRValue(); } ),
      value_, right.value_ );
  return *this;
}
 
const gp::PropertyValue gp::PropertyValue::operator-( const PropertyValue& right ) {
  return PropertyValue{ *this } -= right;
}
// ============================================================================
std::string gp::PropertyValue::ToString() const {
  if ( IsReference() ) {
    const auto& value = std::get<VectorOfStrings>( value_ );
    if ( value.at( 0 ) != "" ) {
      return "@" + value.at( 0 ) + "." + value.at( 1 );
    } else {
      return "@" + value.at( 0 );
    }
  }
  return std::visit(
      Gaudi::overload( []( const std::string& v ) { return v; },
                       []( const VectorOfStrings& v ) { return '[' + boost::algorithm::join( v, ", " ) + ']'; },
                       []( const MapOfStrings& v ) {
                         std::string result = "{";
                         std::string delim  = "";
                         for ( const auto& in : v ) {
                           result += delim + in.first + ":" + in.second;
                           delim = ", ";
                         }
                         return result + "}";
                       } ),
      value_ );
}