FieldRegistry.cpp

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#include "FieldRegistry.h"

FieldRegistry::FieldRegistry(void)
{
    fields.clear();
    name_to_id_map.clear();
}

FieldRegistry::~FieldRegistry(void)
{
    for( size_t i=0; i<fields.size(); i++ ) {
        delete fields[ i ];
    }
}

void FieldRegistry::registerField( Field const& f )
{
    if( name_to_id_map.find( f.name ) == name_to_id_map.end() ) {
        name_to_id_map[ f.name ] = fields.size();
        fields.push_back( f.clone() );
    }
}

Field const& FieldRegistry::getField(size_t id) const
{
    return *(fields.at( id ));
}

Field const* FieldRegistry::findField( string const& name ) const
{
    if( name_to_id_map.find( name ) != name_to_id_map.end() ) {
        size_t id = name_to_id_map.find( name )->second;
        return fields[ id ];
    } else {
        return NULL;
    }
}

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