[lasem] svg_view: getter to referencing element

[Emmanuel Pacaud <emmanuel src gnome org>]

commit a2d59016ea79565196ba724cd257ee57842c1bce
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Fri Mar 6 00:04:49 2015 +0100

    svg_view: getter to referencing element
    
    It's the last but one element in element stack.

 src/lsmsvgview.c |   12 ++++++++++++
 src/lsmsvgview.h |    1 +
 2 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/src/lsmsvgview.c b/src/lsmsvgview.c
index 59ddadf..00a60e7 100644
--- a/src/lsmsvgview.c
+++ b/src/lsmsvgview.c
@@ -2226,6 +2226,18 @@ lsm_svg_view_pop_element (LsmSvgView *view)
        view->element_stack = g_slist_delete_link (view->element_stack, view->element_stack);
 }
 
+LsmSvgElement *
+lsm_svg_view_get_referencing_element (LsmSvgView *view)
+{
+       g_return_val_if_fail (LSM_IS_SVG_VIEW (view), NULL);
+       
+       if (view->element_stack == NULL ||
+           view->element_stack->next == NULL)
+               return NULL;
+       
+       return view->element_stack->next->data;
+}
+
 static gboolean
 lsm_svg_view_circular_reference_check (LsmSvgView *view, LsmSvgElement *element)
 {
diff --git a/src/lsmsvgview.h b/src/lsmsvgview.h
index c60203c..df27365 100644
--- a/src/lsmsvgview.h
+++ b/src/lsmsvgview.h
@@ -155,6 +155,7 @@ void                lsm_svg_view_pop_matrix                 (LsmSvgView *view);
 
 void           lsm_svg_view_push_element               (LsmSvgView *view, const LsmSvgElement *element);
 void           lsm_svg_view_pop_element                (LsmSvgView *view);
+LsmSvgElement * lsm_svg_view_get_referencing_element   (LsmSvgView *view);
 
 void           lsm_svg_view_push_style                 (LsmSvgView *view, LsmSvgStyle *style);
 void           lsm_svg_view_pop_style                  (LsmSvgView *view);