main.cc

c语言编写的xml解析器可以方便的遍历插入删除节点等操作的

#include <iostream>
#include <stdexcept>
#include <string>
#include <cstdlib>
#include <libxml++/libxml++.h>

using namespace xmlpp;
using namespace std;

int main (int argc, char *argv[]){
  try {
    DomParser example1("example1.xml");
    DomParser example2("example2.xml");
    
    Document *doc1 = example1.get_document();
    Document *doc2 = example2.get_document();
    
    Element *root1 = doc1->get_root_node();
    Element *root2 = doc2->get_root_node();

    // find the first "child" element in example2
    Node::NodeList child_list = root2->get_children("child");
    Node *node_to_add = child_list.front();

    // import the node under the root element (recursive is default)
    root1->import_node(node_to_add);
    
    // print out the new doc1
    string doc1_string = doc1->write_to_string_formatted();
    cout << doc1_string;
    return EXIT_SUCCESS;
  }
  catch (std::exception &e){
    cerr << "Caught exception " << e.what() << endl;
    return EXIT_FAILURE;
  }
}