Guid.i

// Copyright 2022 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

%{
#include "fastdds/rtps/common/Guid.hpp"

// Define a hash method in global scope for GUID_t types
// This is necessary if we want other classes to hash an internal GUID_t
long hash(const eprosima::fastdds::rtps::GUID_t& guid)
{
    return (hash(guid.guidPrefix) * 31) ^ hash(guid.entityId);
}
%}

// SWIG does not support type conversion operators correctly unless converted to a normal method
%rename(get_instance_handle) eprosima::fastdds::rtps::GUID_t::operator const InstanceHandle_t&;

// Ignore the global comparison operators and make them class-internal
%ignore eprosima::fastdds::operator==(const GUID_t&, const GUID_t&);
%ignore eprosima::fastdds::operator!=(const GUID_t&, const GUID_t&);
%ignore eprosima::fastdds::operator<(const GUID_t&, const GUID_t&);
%ignore eprosima::fastdds::rtps::operator <<(std::ostream&, const GUID_t&);
%ignore eprosima::fastdds::rtps::operator >>(std::istream&, GUID_t&);

%include "fastdds/rtps/common/Guid.hpp"

// Declare the comparison operators as internal to the class
%extend eprosima::fastdds::rtps::GUID_t {
    bool operator==(const eprosima::fastdds::rtps::GUID_t& other) const
    {
        return *$self == other;
    }

    bool operator!=(const eprosima::fastdds::rtps::GUID_t& other) const
    {
        return *$self != other;
    }

    bool operator<(const eprosima::fastdds::rtps::GUID_t& other) const
    {
        return *$self < other;
    }

    std::string __str__() const
    {
        std::ostringstream out;
        out << *$self;
        return out.str();
    }

    // Define the hash method using the global one
    long __hash__() const
    {
        return hash(*$self);
    }
}