view dep/pugixml/docs/samples/xpath_error.cpp @ 68:2417121d894e

*: normalize usage of layouts before, I used them two ways, once was by setting the layout later by using setLayout(QWidget), and the other was just using the constructor. I find the constructor to be easier to read, so I chose that one.
author Paper <mrpapersonic@gmail.com>
date Mon, 02 Oct 2023 21:33:25 -0400
parents d10b6c6b432e
children
line wrap: on
line source

#include "pugixml.hpp"

#include <iostream>

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

// tag::code[]
    // Exception is thrown for incorrect query syntax
    try
    {
        doc.select_nodes("//nodes[#true()]");
    }
    catch (const pugi::xpath_exception& e)
    {
        std::cout << "Select failed: " << e.what() << std::endl;
    }

    // Exception is thrown for incorrect query semantics
    try
    {
        doc.select_nodes("(123)/next");
    }
    catch (const pugi::xpath_exception& e)
    {
        std::cout << "Select failed: " << e.what() << std::endl;
    }

    // Exception is thrown for query with incorrect return type
    try
    {
        doc.select_nodes("123");
    }
    catch (const pugi::xpath_exception& e)
    {
        std::cout << "Select failed: " << e.what() << std::endl;
    }
// end::code[]
}

// vim:et