Method ReadFile

code/AssetLib/STEPParser/STEPFileReader.cpp:165–299

------------------------------------------------------------------------------------------------

// ------------------------------------------------------------------------------------------------
void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
    const char* const* types_to_track, size_t len,
    const char* const* inverse_indices_to_track, size_t len2)
{
    db.SetSchema(scheme);
    db.SetTypesToTrack(types_to_track,len);
    db.SetInverseIndicesToTrack(inverse_indices_to_track,len2);

    const DB::ObjectMap& map = db.GetObjects();
    LineSplitter& splitter = db.GetSplitter();

    while (splitter) {
        bool has_next = false;
        std::string s = *splitter;
        if (s == "ENDSEC;") {
            break;
        }
        s.erase(std::remove(s.begin(), s.end(), ' '), s.end());

        // want one-based line numbers for human readers, so +1
        const uint64_t line = splitter.get_index()+1;
        // LineSplitter already ignores empty lines
        ai_assert(s.length());
        if (s[0] != '#') {
            ASSIMP_LOG_WARN(AddLineNumber("expected token \'#\'",line));
            ++splitter;
            continue;
        }
        // ---
        // extract id, entity class name and argument string,
        // but don't create the actual object yet.
        // ---
        const std::string::size_type n0 = s.find_first_of('=');
        if (n0 == std::string::npos) {
            ASSIMP_LOG_WARN(AddLineNumber("expected token \'=\'",line));
            ++splitter;
            continue;
        }

        const uint64_t id = strtoul10_64(s.substr(1,n0-1).c_str());
        if (!id) {
            ASSIMP_LOG_WARN(AddLineNumber("expected positive, numeric entity id",line));
            ++splitter;
            continue;
        }
        std::string::size_type n1 = s.find_first_of('(',n0);
        if (n1 == std::string::npos) {
            has_next = true;
            bool ok = false;
            for( ++splitter; splitter; ++splitter) {
                const std::string& snext = *splitter;
                if (snext.empty()) {
                    continue;
                }

                // the next line doesn't start an entity, so maybe it is
                // just a continuation  for this line, keep going
                if (!IsEntityDef(snext)) {