docs/samples/xpath_variables.cpp


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#include "pugixml.hpp"

#include <iostream>
#include <string>

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

//[code_xpath_variables
    // 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);
//]
}

// vim:et