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-rw-r--r--docs/samples/xpath_error.cpp43
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