CListOfClasses.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 "rtti-precomp.h"  // Precompiled headers

#include <mrpt/rtti/CListOfClasses.h>
#include <algorithm>
#include <cctype>
#include <functional>
#include <locale>
#include <sstream>

using namespace mrpt::rtti;

bool CListOfClasses::containsDerivedFrom(
    const mrpt::rtti::TRuntimeClassId* id) const
{
    for (const auto& i : data)
        if (i->derivedFrom(id)) return true;
    return false;
}

std::string CListOfClasses::toString() const
{
    std::string s;
    unsigned int cnt = 0;
    for (const auto& i : data)
    {
        if (cnt++ != 0) s += ", ";
        s += std::string(i->className);
    }
    return s;
}

// trim from start
static inline std::string& ltrim(std::string& s)
{
    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](const char c) {
                return !std::isspace(c);
            }));
    return s;
}

// trim from end
static inline std::string& rtrim(std::string& s)
{
    s.erase(
        std::find_if(
            s.rbegin(), s.rend(), [](const char c) { return !std::isspace(c); })
            .base(),
        s.end());
    return s;
}

// trim from both ends
static inline std::string& trim(std::string& s) { return ltrim(rtrim(s)); }
void CListOfClasses::fromString(const std::string& s)
{
    MRPT_TRY_START

    data.clear();
    std::stringstream ss(s);
    std::string lin;
    while (std::getline(ss, lin, ','))
    {
        lin = trim(lin);
        const TRuntimeClassId* id = findRegisteredClass(lin);
        ASSERTMSG_(
            id != nullptr, format("Unknown class name: %s", lin.c_str()));
        this->insert(id);
    }

    MRPT_TRY_END
}