OpenFPGA/libs/EXTERNAL/libpugixml/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;
// 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