Method size

src/ifcparse/FileReader.cpp:181–185

	size_t discarded_page_bytes_ = 0;

    size_t size() const override {
        size_t n = discarded_page_bytes_;
		for (auto& pg : pages_) n += pg.data.size();
		return n;
    }

    // Drop fully-consumed pages so pos is guaranteed to be within the first page
    void dropPages(size_t pos) override {