CHypothesisNotFoundException.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */

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

#include <mrpt/graphs/CHypothesisNotFoundException.h>

std::ostringstream HypothesisNotFoundException::m_cnvt;

HypothesisNotFoundException::HypothesisNotFoundException(
        mrpt::utils::TNodeID from, mrpt::utils::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() throw() {}
std::string HypothesisNotFoundException::getErrorMsg() const throw()
{
        return m_msg;
}

const char* HypothesisNotFoundException::what() const throw()
{
        m_cnvt.str("");
        m_cnvt << getErrorMsg();
        return m_cnvt.str().c_str();
}