C++ class for reading and writing XML structures. No need for a C++ code parser or special pre compiler. Specify a schema entirly in native C++. The schema is verified when XML is read and exceptions are thrown when the XML to be parse is invalid.
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/*! @file
@id $Id: inherit_serialization.cxx 25 2009-04-23 15:10:21Z $
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
// g++ -I../../src ../../src/xml.cxx contain_serialization.cxx
#include <xml-cxx/xml.hxx>
#include <iostream>
#include <sstream>
class A: public xml::Serialize {
public:
int a;
std::string txt;
protected:
void initXmlMembers() {
className("a")
.persist(a, "a")
.persist(txt, "txt");
}
};
class B: public xml::Serialize {
public:
int i;
std::string txt;
A a;
protected:
void initXmlMembers() {
className("b")
.persist(i, "i")
.persist(txt, "txt")
.persist(a, "a");
}
};
std::ostream& fn(std::ostream& os) {
os<<std::endl<<"HALLO"<<std::endl;
}
int main(int, char**) {
{ // Serialization as a member
std::stringstream ss("<b>\n"
"\t<i>1234</i>\n"
"\t<txt>Dies ist Class B</txt>\n"
"\t<a>\n"
"\t\t<a>5678</a>\n"
"\t\t<txt>Dies ist Class A</txt>\n"
"\t</a>"
"</b>");
B b;
b.loadXml(ss);
if (b.i==1234) b.i=4321;
if (b.a.a==5678) b.a.a=8765;
std::cout<<"Text B: "<<b.txt<<std::endl;
std::cout<<"Text A: "<<b.a.txt<<std::endl;
b.saveXml(std::cout)<<std::endl;
std::cout<<fn;
}
return 0;
}