datamodel_xml_configurationtoxml_base.h

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#ifndef MAPPING_CONFIGURATION_TO_XML_BASE_H_INCLUDED
#define MAPPING_CONFIGURATION_TO_XML_BASE_H_INCLUDED
 
#include <ddl/utilities/access_optional.h>
#include <ddl/utilities/std_to_string.h>
 
#include <stdexcept>
#include <string>
 
namespace ddl {
namespace mapping {

template <typename DomNodeType>
struct MappingConfigurationToXMLFactoryBase {
    template <typename T>
    static bool setOptionalAttribute(DomNodeType& dom_node,
                                     const char* attribute_name,
                                     const utility::Optional<T>& value)
    {
        if (value) {
            dom_node.setAttribute(attribute_name, std::to_string(*value));
            return true;
        }
        return false;
    }

    static bool setOptionalAttribute(DomNodeType& dom_node,
                                     const char* attribute_name,
                                     const std::string& value)
    {
        if (!value.empty()) {
            dom_node.setAttribute(attribute_name, value);
            return true;
        }
        return false;
    }

    static void setSubNodeData(DomNodeType& dom_node,
                               const std::string& sub_node_name,
                               const std::string& value)
    {
        DomNodeType sub_node = dom_node.createChild(sub_node_name);
        sub_node.setData(value);
    }

    static void setOptionalSubNodeData(DomNodeType& dom_node,
                                       const std::string& sub_node_name,
                                       const std::string& value)
    {
        if (!value.empty()) {
            setSubNodeData(dom_node, sub_node_name, value);
        }
    }
};
} // namespace mapping
} // namespace ddl
 
#endif // MAPPING_CONFIGURATION_TO_XML_BASE_H_INCLUDED