Mercurial > minori
diff dep/pugixml/docs/samples/xpath_error.cpp @ 55:d10b6c6b432e
add xml lib, we will need to use it eventually
author | Paper <mrpapersonic@gmail.com> |
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date | Tue, 26 Sep 2023 12:37:08 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/pugixml/docs/samples/xpath_error.cpp Tue Sep 26 12:37:08 2023 -0400 @@ -0,0 +1,43 @@ +#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