CHypothesisNotFoundException.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2019, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */

#include "graphs-precomp.h"  // Precompiled headers

#include <mrpt/graphs/CHypothesisNotFoundException.h>

using namespace mrpt::graphs;

HypothesisNotFoundException::HypothesisNotFoundException(
    mrpt::graphs::TNodeID from, mrpt::graphs::TNodeID to)
    : runtime_error("Hypothesis between set of nodes was not found")
{
    using namespace mrpt;

    this->clear();
    m_to = to;
    m_from = from;

    // TODO - Do not allocate it on the stack
    // http://stackoverflow.com/a/23742555/2843583
    m_msg = std::runtime_error::what();
    m_msg += "- ";
    m_msg +=
        format("[from] %lu ==> ", static_cast<unsigned long>(m_from)).c_str();
    m_msg += format("[to] %lu", static_cast<unsigned long>(m_to)).c_str();
}

HypothesisNotFoundException::HypothesisNotFoundException(size_t id)
    : runtime_error("Hypothesis with the given ID was not found")
{
    using namespace mrpt;

    this->clear();
    m_id = id;

    m_msg = std::runtime_error::what();
    m_msg += format("- ID:%lu", static_cast<unsigned long>(id)).c_str();
}

void HypothesisNotFoundException::clear()
{
    m_to = INVALID_NODEID;
    m_from = INVALID_NODEID;
    m_id = SIZE_MAX;
    m_msg.clear();
}

HypothesisNotFoundException::~HypothesisNotFoundException() noexcept = default;
std::string HypothesisNotFoundException::getErrorMsg() const noexcept
{
    return m_msg;
}

std::string persistent_error_msg;

const char* HypothesisNotFoundException::what() const noexcept
{
    persistent_error_msg = getErrorMsg();
    return persistent_error_msg.c_str();
}