docs/samples/xpath_variables.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

#include "pugixml.hpp"

#include <iostream>
#include <string>

int main()
{
    pugi::xml_document doc;
    if (!doc.load_file("xgconsole.xml")) return -1;

// tag::code[]
    // Select nodes via compiled query
    pugi::xpath_variable_set vars;
    vars.add("remote", pugi::xpath_type_boolean);

    pugi::xpath_query query_remote_tools("/Profile/Tools/Tool[@AllowRemote = string($remote)]", &vars);

    vars.set("remote", true);
    pugi::xpath_node_set tools_remote = query_remote_tools.evaluate_node_set(doc);

    vars.set("remote", false);
    pugi::xpath_node_set tools_local = query_remote_tools.evaluate_node_set(doc);

    std::cout << "Remote tool: ";
    tools_remote[2].node().print(std::cout);

    std::cout << "Local tool: ";
    tools_local[0].node().print(std::cout);

    // You can pass the context directly to select_nodes/select_node
    pugi::xpath_node_set tools_local_imm = doc.select_nodes("/Profile/Tools/Tool[@AllowRemote = string($remote)]", &vars);

    std::cout << "Local tool imm: ";
    tools_local_imm[0].node().print(std::cout);
// end::code[]
}

// vim:et