xml parsing using boost

Question

I am parsing below xml file using BOOST library-

        15
        8         


        

Answer 1

Boost Serialization is not an XML library.

Boost Archive xml_[io]archive isn't an XML library either.

Heck, not even Boost Property Tree is an XML library.

In short: Boost Does Not Contain An XML Library.

---

Slightly longer: you can use Boost Property Tree to parse your XML. It's using a derivative of RapidXML under the hood and you can read/write fairly generic XML documents using Boost Property Tree.

In reality, the Property Tree interface is quite specific and often leads to confusion. There's not a lot of control.

If you care about your XML support (namespaces? whitespace? ordering? PCDATA? Processing instructions? XPath? Encodings? ...) please consider using an XML library (What XML parser should I use in C++?)

Bonus: sample with Boost Property Tree

Here's how to do it with Boost Property Tree

Live On Coliru

#include 
#include 
#include 

typedef struct date { 
    unsigned int m_day;
    unsigned int m_month;
    unsigned int m_year;
    date( int d=1,  int m=1,  int y=2000) : m_day(d), m_month(m), m_year(y) {}

    friend std::ostream& operator << (std::ostream& out, date& d) {
        return out << "day: " << d.m_day << " month: " << d.m_month << " year: " << d.m_year;
    }

    void load(boost::property_tree::ptree const& pt)
    {
        m_day = pt.get("da.m_day", 1);
        m_month = pt.get("da.m_month", 1);
        m_year = pt.get("da.m_year", 2000);
    }
} date;

#include 

int main() {
    std::istringstream iss("\n"
                "15\n"
                "8\n"
                "1947\n"
                "\n");

    boost::property_tree::ptree pt;
    read_xml(iss, pt);

    date d;
    d.load(pt);

    std::cout << d << "\n";
}

Prints

day: 15 month: 8 year: 1947