Program Listing for File GuidPrefix_t.hpp
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// Copyright 2016-2019 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.
#ifndef _FASTDDS_RTPS_COMMON_GUIDPREFIX_T_HPP_
#define _FASTDDS_RTPS_COMMON_GUIDPREFIX_T_HPP_
#include <fastrtps/fastrtps_dll.h>
#include <fastdds/rtps/common/Types.h>
#include <cstdint>
#include <cstring>
#include <sstream>
#include <iomanip>
namespace eprosima {
namespace fastrtps {
namespace rtps {
struct RTPS_DllAPI GuidPrefix_t
{
static constexpr unsigned int size = 12;
octet value[size];
GuidPrefix_t()
{
memset(value, 0, size);
}
static GuidPrefix_t unknown()
{
return GuidPrefix_t();
}
#ifndef DOXYGEN_SHOULD_SKIP_THIS_PUBLIC
bool operator ==(
const GuidPrefix_t& prefix) const
{
return (memcmp(value, prefix.value, size) == 0);
}
bool operator !=(
const GuidPrefix_t& prefix) const
{
return (memcmp(value, prefix.value, size) != 0);
}
bool operator <(
const GuidPrefix_t& prefix) const
{
return std::memcmp(value, prefix.value, size) < 0;
}
static int cmp(
const GuidPrefix_t& prefix1,
const GuidPrefix_t& prefix2)
{
return std::memcmp(prefix1.value, prefix2.value, size);
}
#endif // ifndef DOXYGEN_SHOULD_SKIP_THIS_PUBLIC
};
const GuidPrefix_t c_GuidPrefix_Unknown;
inline std::ostream& operator <<(
std::ostream& output,
const GuidPrefix_t& guiP)
{
std::stringstream ss;
ss << std::hex;
char old_fill = ss.fill('0');
for (uint8_t i = 0; i < 11; ++i)
{
ss << std::setw(2) << (int)guiP.value[i] << ".";
}
ss << std::setw(2) << (int)guiP.value[11];
ss.fill(old_fill);
ss << std::dec;
return output << ss.str();
}
inline std::istream& operator >>(
std::istream& input,
GuidPrefix_t& guiP)
{
std::istream::sentry s(input);
if (s)
{
char point;
unsigned short hex;
std::ios_base::iostate excp_mask = input.exceptions();
try
{
input.exceptions(excp_mask | std::ios_base::failbit | std::ios_base::badbit);
input >> std::hex >> hex;
if (hex > 255)
{
input.setstate(std::ios_base::failbit);
}
guiP.value[0] = static_cast<octet>(hex);
for (int i = 1; i < 12; ++i)
{
input >> point >> hex;
if ( point != '.' || hex > 255 )
{
input.setstate(std::ios_base::failbit);
}
guiP.value[i] = static_cast<octet>(hex);
}
input >> std::dec;
}
catch (std::ios_base::failure& )
{
guiP = GuidPrefix_t::unknown();
}
input.exceptions(excp_mask);
}
return input;
}
} // namespace rtps
} // namespace fastrtps
} // namespace eprosima
#endif /* _FASTDDS_RTPS_COMMON_GUIDPREFIX_T_HPP_ */