Method getFileSize

components/esm3/readerscache.cpp:80–99

    }

    std::size_t ReadersCache::getFileSize(std::size_t index)
    {
        const auto indexIt = mIndex.find(index);
        if (indexIt == mIndex.end())
            return 0;
        switch (indexIt->second->mState)
        {
            case State::Busy:
            case State::Free:
                if (!indexIt->second->mReader.getName().empty())
                    return indexIt->second->mReader.getFileSize();
                throw std::logic_error("ESMReader at index " + std::to_string(index) + " has not been opened yet");
            case State::Closed:
                if (indexIt->second->mFileSize)
                    return *indexIt->second->mFileSize;
                throw std::logic_error("ESMReader at index " + std::to_string(index) + " has forgotten its file size");
            default:
                throw std::logic_error("ESMReader at index " + std::to_string(index) + " in unknown state");
        }
    }

    void ReadersCache::closeExtraReaders()
    {