json JSONFormatter::compose_object( const Resource& value ) const
{
auto object = json::object( );
for ( auto iterator = value.begin( ); iterator not_eq value.end( ); iterator++ )
{
auto iterators = value.equal_range( iterator->first );
const auto length = distance( iterators.first, iterators.second );
if ( length > 1 )
{
auto items = json::array( );
for ( auto item = iterators.first; item not_eq iterators.second; item++ )
{
auto field = String::to_string( item->second );
if ( String::is_boolean( field ) )
{
items.push_back( String::lowercase( field ) == "true" );
}
else if ( String::is_integer( field ) )
{
try
{
items.push_back( stol( field ) );
}
catch ( const out_of_range& )
{
items.push_back( field );
}
}
else if ( String::is_fraction( field ) )
{
try
{
items.push_back( stod( field ) );
}
catch ( const out_of_range& )
{
items.push_back( field );
}
}
else
{
items.push_back( field );
}
}
object[ iterator->first ] = items;
advance( iterator, length - 1 );
}
else
{
auto field = String::to_string( iterator->second );
if ( String::is_boolean( field ) )
{
object[ iterator->first ] = ( String::lowercase( field ) == "true" );
}
else if ( String::is_integer( field ) )
{
try
{
object[ iterator->first ] = stol( field );
}
catch ( const out_of_range& )
{
object[ iterator->first ] = field;
}
}
else if ( String::is_fraction( field ) )
{
try
{
object[ iterator->first ] = stod( field );
}
catch ( const out_of_range& )
{
object[ iterator->first ] = field;
}
}
else
{
object[ iterator->first ] = field;
}
}
}
return object;
}
