librsvg r1196 - in trunk: . doc

[chpe svn gnome org]

Author: chpe
Date: Thu Jan  8 23:45:45 2009
New Revision: 1196
URL: http://svn.gnome.org/viewvc/librsvg?rev=1196&view=rev

Log:
	* doc/rsvg-sections.txt:
	* librsvg.def:
	* rsvg-base.c:
	* rsvg.h: Add function to check whether the SVG document contains an
	element by ID. Bug #567070.

Modified:
   trunk/ChangeLog
   trunk/doc/rsvg-sections.txt
   trunk/librsvg.def
   trunk/rsvg-base.c
   trunk/rsvg.h

Modified: trunk/doc/rsvg-sections.txt
==============================================================================
--- trunk/doc/rsvg-sections.txt	(original)
+++ trunk/doc/rsvg-sections.txt	Thu Jan  8 23:45:45 2009
@@ -26,6 +26,7 @@
 rsvg_handle_get_dimensions
 rsvg_handle_get_dimensions_sub
 rsvg_handle_get_position_sub
+rsvg_handle_has_sub
 </SECTION>
 
 <SECTION>

Modified: trunk/librsvg.def
==============================================================================
--- trunk/librsvg.def	(original)
+++ trunk/librsvg.def	Thu Jan  8 23:45:45 2009
@@ -20,6 +20,7 @@
 rsvg_handle_get_title
 rsvg_handle_get_desc
 rsvg_handle_get_metadata
+rsvg_handle_has_sub
 rsvg_handle_new_from_data
 rsvg_handle_new_from_file
 rsvg_handle_set_size_callback

Modified: trunk/rsvg-base.c
==============================================================================
--- trunk/rsvg-base.c	(original)
+++ trunk/rsvg-base.c	Thu Jan  8 23:45:45 2009
@@ -1473,6 +1473,30 @@
 	return ret;
 }
 
+/** 
+ * rsvg_handle_has_sub:
+ * @handle: a #RsvgHandle
+ * @id: an element's id within the SVG
+ *
+ * Checks whether the element @id exists in the SVG document.
+ *
+ * Returns: %TRUE if @id exists in the SVG document
+ *
+ * Since: 2.22
+ */
+gboolean
+rsvg_handle_has_sub (RsvgHandle * handle,
+                     const char *id)
+{
+    RsvgNode *sself;
+
+    g_return_val_if_fail (handle, FALSE);
+
+    if (G_UNLIKELY (!id || !id[0]))
+      return FALSE;
+
+    return rsvg_defs_lookup (handle->priv->defs, id) != NULL;
+}
 
 /** 
  * rsvg_set_default_dpi

Modified: trunk/rsvg.h
==============================================================================
--- trunk/rsvg.h	(original)
+++ trunk/rsvg.h	Thu Jan  8 23:45:45 2009
@@ -130,6 +130,8 @@
 gboolean rsvg_handle_get_dimensions_sub (RsvgHandle * handle, RsvgDimensionData * dimension_data, const char *id);
 gboolean rsvg_handle_get_position_sub (RsvgHandle * handle, RsvgPositionData * position_data, const char *id);
 
+gboolean rsvg_handle_has_sub (RsvgHandle * handle, const char *id);
+
 /* Accessibility API */
 
 G_CONST_RETURN char *rsvg_handle_get_title	(RsvgHandle * handle);