Method SubBuffer

engine/ddf/src/ddf/ddf_inputbuffer.cpp:263–284

    }

    bool InputBuffer::SubBuffer(uint32_t length, InputBuffer* sub_buffer)
    {
        if (m_Current + length > m_End)
        {
            return false;
        }
    #if 0
        const char* c = m_Current;
        m_Current += length;
        return InputBuffer(c, length);
    #else
        InputBuffer ret = InputBuffer(m_Start, m_End - m_Start);
        // NOTE: Very important to preserve start. Tell() is used to
        // uniquely identify repeated fields. See function DDFCalculateRepeated(.)
        ret.m_Start = m_Start;
        ret.m_Current = m_Current;
        ret.m_End = m_Current + length;
        m_Current += length;
        *sub_buffer = ret;
        return true;
    #endif
    }
}