CConfigFileMemory.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, 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 "config-precomp.h"  // Precompiled headers
 
#include <mrpt/config/CConfigFileMemory.h>
#include <mrpt/system/string_utils.h>
 
#include "simpleini/SimpleIni.h"
 
using namespace mrpt;
using namespace mrpt::config;
using namespace mrpt::config::simpleini;
using namespace std;
 
#define THE_INI m_impl->m_ini
 
struct CConfigFileMemory::Impl
{
        MRPT_CSimpleIni m_ini;
};
 
CConfigFileMemory::CConfigFileMemory(const std::vector<std::string>& stringList) :
        m_impl(mrpt::make_impl<CConfigFileMemory::Impl>())
{
        // Load the strings:
        std::string aux;
        mrpt::system::stringListAsString(stringList, aux);
        THE_INI.Load(aux.c_str(), aux.size());
}
 
CConfigFileMemory::CConfigFileMemory(const std::string& str) :
        m_impl(mrpt::make_impl<CConfigFileMemory::Impl>())
{
        // Load the strings:
        THE_INI.Load(str.c_str(), str.size());
}
 
/*---------------------------------------------------------------
                                        Constructor
 ---------------------------------------------------------------*/
CConfigFileMemory::CConfigFileMemory():
        m_impl(mrpt::make_impl<CConfigFileMemory::Impl>())
{
}
 
void CConfigFileMemory::setContent(const std::vector<std::string>& stringList)
{
        // Load the strings:
        std::string aux;
        mrpt::system::stringListAsString(stringList, aux);
        THE_INI.Load(aux.c_str(), aux.size());
}
 
void CConfigFileMemory::setContent(const std::string& str)
{
        THE_INI.Load(str.c_str(), str.size());
}
 
void CConfigFileMemory::getContent(std::string& str) const
{
        m_impl->m_ini.Save(str);
}
 
CConfigFileMemory::~CConfigFileMemory() { }
void CConfigFileMemory::writeString(
        const std::string& section, const std::string& name, const std::string& str)
{
        MRPT_START
 
        SI_Error ret =
                THE_INI.SetValue(section.c_str(), name.c_str(), str.c_str(), nullptr);
        if (ret < 0) THROW_EXCEPTION("Error changing value in INI-style file!");
 
        MRPT_END
}
 
std::string CConfigFileMemory::readString(
        const std::string& section, const std::string& name,
        const std::string& defaultStr, bool failIfNotFound) const
{
        MRPT_START
        const char* defVal = failIfNotFound ? nullptr : defaultStr.c_str();
 
        const char* aux =
                m_impl->m_ini.GetValue(
                        section.c_str(), name.c_str(), defVal,
                        nullptr);  // The memory is managed by the SimpleIni object
 
        if (failIfNotFound && !aux)
        {
                string tmpStr(
                        format(
                                "Value '%s' not found in section '%s' of memory configuration "
                                "string list and failIfNotFound=true.",
                                name.c_str(), section.c_str()));
                THROW_EXCEPTION(tmpStr);
        }
 
        // Remove possible comments: "//"
        std::string ret = aux;
        size_t pos;
        if ((pos = ret.find("//")) != string::npos && pos > 0 &&
                isspace(ret[pos - 1]))
                ret = ret.substr(0, pos);
        return ret;
        MRPT_END
}
 
void CConfigFileMemory::getAllSections(std::vector<std::string>& sections) const
{
        MRPT_CSimpleIni::TNamesDepend names;
        m_impl->m_ini.GetAllSections(names);
 
        MRPT_CSimpleIni::TNamesDepend::iterator n;
        std::vector<std::string>::iterator s;
        sections.resize(names.size());
        for (n = names.begin(), s = sections.begin(); n != names.end(); ++n, ++s)
                *s = n->pItem;
}
 
void CConfigFileMemory::getAllKeys(
        const string& section, std::vector<std::string>& keys) const
{
        MRPT_CSimpleIni::TNamesDepend names;
        m_impl->m_ini.GetAllKeys(section.c_str(), names);
 
        MRPT_CSimpleIni::TNamesDepend::iterator n;
        std::vector<std::string>::iterator s;
        keys.resize(names.size());
        for (n = names.begin(), s = keys.begin(); n != names.end(); ++n, ++s)
                *s = n->pItem;
}