Method loadFile

library/VersionInfoFactory.cpp:230–286

load the XML file with offsets

// load the XML file with offsets
bool VersionInfoFactory::loadFile(std::filesystem::path path_to_xml)
{
    TiXmlDocument doc( path_to_xml.string().c_str() );
    std::cerr << "Loading " << path_to_xml << " ... ";
    //bool loadOkay = doc.LoadFile();
    if (!doc.LoadFile())
    {
        error = true;
        cerr << "failed!\n";
        throw Error::SymbolsXmlParse(doc.ErrorDesc(), doc.ErrorId(), doc.ErrorRow(), doc.ErrorCol());
    }
    else
    {
        cerr << "OK\n";
    }
    TiXmlHandle hDoc(&doc);
    TiXmlElement* pElem;
    TiXmlHandle hRoot(0);

    // block: name
    {
        pElem=hDoc.FirstChildElement().Element();
        // should always have a valid root but handle gracefully if it does
        if (!pElem)
        {
            error = true;
            throw Error::SymbolsXmlNoRoot();
        }
        string m_name=pElem->Value();
        if(m_name != "data-definition")
        {
            error = true;
            throw Error::SymbolsXmlNoRoot();
        }
        // save this for later
        hRoot=TiXmlHandle(pElem);
    }
    // transform elements
    {
        clear();
        // For each version
        TiXmlElement * pMemInfo=hRoot.FirstChild( "symbol-table" ).Element();
        for( ; pMemInfo; pMemInfo=pMemInfo->NextSiblingElement("symbol-table"))
        {
            const char *name = pMemInfo->Attribute("name");
            if(name)
            {
                auto version = std::make_shared<VersionInfo>();
                ParseVersion( pMemInfo , version.get() );
                versions.push_back(version);
            }
        }
    }
    error = false;
    std::cerr << "Loaded " << versions.size() << " DF symbol tables." << std::endl;
    return true;
}