An opaque context struct for `GtkBuildableParser`.

Retrieves the current line number and the number of the character on that line. Intended for use in error messages; there are no strict semantics for what constitutes the "current" line number other than "the best number we could come up with for error messages."

Retrieves the element stack from the internal state of the parser.

The returned `GPtrArray` is an array of strings where the last item is the currently open tag (as would be returned by gtk_buildable_parse_context_get_element()) and the previous item is its immediate parent.

This function is intended to be used in the start_element and end_element handlers where gtk_buildable_parse_context_get_element() would merely return the name of the element that is being processed.

Retrieves the name of the currently open element.

If called from the start_element or end_element handlers this will give the element_name as passed to those functions. For the parent elements, see gtk_buildable_parse_context_get_element_stack().