diff options
Diffstat (limited to 'docs/samples/xpath_error.cpp')
-rw-r--r-- | docs/samples/xpath_error.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/docs/samples/xpath_error.cpp b/docs/samples/xpath_error.cpp new file mode 100644 index 0000000..b6dc424 --- /dev/null +++ b/docs/samples/xpath_error.cpp @@ -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 |