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>
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