examples/c/document_factory.c: add print out of example nodes we create

examples/c/document_factory.c

@@ -5,47 +5,50 @@ int main () {
 
   doc = gxml_document_new ();
 
-  /* <bookElement> */
+  /* <bookElement></bookElement> */
   GXmlElement *elem;
-  elem = gxml_document_create_element (doc, "tagname");
+  elem = gxml_document_create_element (doc, "bookElement");
+  printf ("Book element: %s\n", gxml_node_to_string (GXML_NODE (elem), FALSE, 0));
 
   GXmlDocumentFragment *docfragment;
   docfragment = gxml_document_create_document_fragment (doc);
+  printf ("Document fragment: %s\n", gxml_node_to_string (GXML_NODE (docfragment), FALSE, 0));
 
   /* <book>Between the book tags is text!</book> */
   GXmlText *text;
-  text = gxml_document_create_text_node (doc, "Here is some text in an XML document");
+  text = gxml_document_create_text_node (doc, "Between the book tags is text!");
+  printf ("Text node: %s\n", gxml_node_to_string (GXML_NODE (text), FALSE, 0));
 
-  /* <book><!-- comment: I really like this one -->The fault in our stars</book> */
+  /* <book><!-- comment: I really like this book -->The fault in our stars</book> */
   GXmlComment *comment;
-  comment = gxml_document_create_comment (doc, "Here is an XML comment");
+  comment = gxml_document_create_comment (doc, "comment: I really like this book");
+  printf ("Comment: %s\n", gxml_node_to_string (GXML_NODE (comment), FALSE, 0));
 
   /* <![CDATA[non-XML data like code or special entities]]> */
   GXmlCDATASection *cdata;
   cdata = gxml_document_create_cdata_section (doc, "non-XML data like code or special entities");
+  printf ("CDATA section: %s\n", gxml_node_to_string (GXML_NODE (cdata), FALSE, 0));
 
   /* <?xml href="style.xsl" type="text/xml"?> */
   GXmlProcessingInstruction *pi;
   pi = gxml_document_create_processing_instruction (doc, "xml", "href=\"style.xsl\" type=\"text/xml\"");
+  printf ("Processing Instruction: %s\n", gxml_node_to_string (GXML_NODE (pi), FALSE, 0));
 
   /* <element id=""> */
   GXmlAttr *attr;
   attr = gxml_document_create_attribute (doc, "id");
+  printf ("Attribute: %s\n", gxml_node_to_string (GXML_NODE (attr), FALSE, 0));
 
   /* &apos;   (for an apostrophe, ') */
   GXmlEntityReference *entref;
   entref = gxml_document_create_entity_reference (doc, "apos");
+  printf ("Entity reference: %s\n", gxml_node_to_string (GXML_NODE (entref), FALSE, 0));
 
   gxml_node_append_child (GXML_NODE (doc), GXML_NODE (elem));
 
-  g_object_unref (elem);
   g_object_unref (pi);
   g_object_unref (entref);
   g_object_unref (attr);
-  g_object_unref (docfragment);
-  g_object_unref (text);
-  g_object_unref (comment);
-  g_object_unref (cdata);
   g_object_unref (doc);
 
   return 0;