Mercurial > minori
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 |
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#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