[gegl] add path to serialize api

[Øyvind Kolås <ok src gnome org>]

commit dd98b11f50ef19875398f3ef76fae670e8990ec0
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Apr 21 20:24:05 2016 +0100

    add path to serialize api

 gegl/gegl-serialize.c |   24 ++++++++++++++++++++----
 gegl/gegl-utils.h     |    4 +++-
 2 files changed, 23 insertions(+), 5 deletions(-)
---
diff --git a/gegl/gegl-serialize.c b/gegl/gegl-serialize.c
index de6c702..0665f55 100644
--- a/gegl/gegl-serialize.c
+++ b/gegl/gegl-serialize.c
@@ -492,7 +492,7 @@ void gegl_create_chain (const char *str, GeglNode *op_start, GeglNode *op_end, d
   }
 }
 
-static gchar *gegl_serialize2 (GeglNode *start, GeglNode *end, GHashTable *ht)
+static gchar *gegl_serialize2 (GeglNode *start, GeglNode *end, const char *basepath, GHashTable *ht)
 {
   char *ret = NULL;
   GeglNode *iter;
@@ -670,7 +670,7 @@ static gchar *gegl_serialize2 (GeglNode *start, GeglNode *end, GHashTable *ht)
             GeglNode *aux = gegl_node_get_producer (iter, "aux", NULL);
             if (aux)
             {
-              char *str = gegl_serialize2 (NULL, aux, ht);
+              char *str = gegl_serialize2 (NULL, aux, basepath, ht);
               g_string_append_printf (s2, " aux=[%s ]", str);
               g_free (str);
             }
@@ -690,11 +690,27 @@ static gchar *gegl_serialize2 (GeglNode *start, GeglNode *end, GHashTable *ht)
   return ret;
 }
 
-gchar *gegl_serialize (GeglNode *start, GeglNode *end)
+gchar *gegl_serialize (GeglNode *start, GeglNode *end, const char *basepath)
 {
   gchar *ret;
   GHashTable *ht = g_hash_table_new (g_direct_hash, g_direct_equal);
-  ret = gegl_serialize2 (start, end, ht);
+  ret = gegl_serialize2 (start, end, basepath, ht);
   g_hash_table_destroy (ht);
   return ret;
 }
+
+GeglNode *gegl_node_new_from_serialized (const gchar *xmldata,
+                                         const gchar *path_root)
+{
+  GeglNode *ret;
+  GeglNode *foo;
+  ret = gegl_node_new ();
+  gegl_node_set (ret, "operation", "gegl:nop", NULL);
+  foo = gegl_node_new ();
+  gegl_node_set (foo, "operation", "gegl:nop", NULL);
+
+  gegl_node_link_many (foo, ret, NULL);
+  gegl_create_chain (xmldata, foo, ret, 0, 1024, NULL);
+
+  return ret;
+}
diff --git a/gegl/gegl-utils.h b/gegl/gegl-utils.h
index 3f4dc71..6b51447 100644
--- a/gegl/gegl-utils.h
+++ b/gegl/gegl-utils.h
@@ -264,7 +264,9 @@ gint        _gegl_float_epsilon_equal (float     v1,
   */
 void gegl_create_chain_argv (char **ops, GeglNode *start, GeglNode *proxy, double time, int rel_dim, GError 
**error);
 void gegl_create_chain (const char *str, GeglNode *op_start, GeglNode *op_end, double time, int rel_dim, 
GError **error);
-gchar *gegl_serialize         (GeglNode *start, GeglNode *end);
+gchar *gegl_serialize         (GeglNode *start, GeglNode *end, const char *basepath);
+GeglNode *gegl_node_new_from_serialized (const gchar *xmldata,
+                                         const gchar *path_root);
 
 G_END_DECLS