1
我正在試圖構建一個像結構的樹來進行由一系列問題組成的測試。Boost序列化樹結構
的想法是,測試,提問,QuestionPart都會從下面的類派生:我嘗試了
class Node
{
friend class boost::serialization::access;
template<class Archive>
void serialize(Archive & ar, const unsigned int version)
{
ar & boost::serialization::make_nvp("children", m_children);
ar & boost::serialization::make_nvp("intro", m_intro);
}
public:
Node(){};
virtual ~Node(){};
virtual void addChildNode(Node* _child);
virtual const std::string getIntro() const;
virtual Node* getChild(const _index) const;
virtual void setIntro(std::string _intro);
protected:
std::vector<Node*> m_children;
std::string m_intro;
};
之前做的所有其他類如下:
void saveTest(const Node &test, const char* filename)
{
// make an archive
std::ofstream ofs(filename);
boost::archive::xml_oarchive oa(ofs);
oa << BOOST_SERIALIZATION_NVP(test);
}
void createTest()
{
Node* test = new Node();
Node* question1 = new Node();
question1->setIntro("Question 1");
test->addChildNode(question1);
test->setIntro("Test");
saveTest(*test, fileLocation.c_str());
}
但是,這是拋出異常並只創建以下內容:
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE boost_serialization>
<boost_serialization signature="serialization::archive" version="10">
<test class_id="0" tracking_level="1" version="0" object_id="_0">
<children class_id_reference="0" object_id="_1">
<children</boost_serialization>
任何insigh噸將不勝感激。
您是否考慮使用boost property_tree? – ppl
我已經看到它提到,並會看看,謝謝你的建議。 – henryprescott