New function to copy a PangoAttrIterator.

2000-06-07  Havoc Pennington  <hp@redhat.com>

* pango/pango-attributes.c (pango_attr_iterator_copy): New
function to copy a PangoAttrIterator.

2 files changed, 42 insertions, 15 deletions

diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c
index 905c71c8..47171e01 100644
--- a/pango/pango-attributes.c
+++ b/pango/pango-attributes.c
@@ -880,9 +880,33 @@ pango_attr_iterator_next (PangoAttrIterator *iterator)
 
 /**
  * pango_attr_iterator_destroy:
- * @iterator: a #PangoIterator.
+ * @iterator: a #PangoAttrIterator.
  * 
- * Destroy a #PangoIterator and free all associated memory.
+ * Copy a #PangoAttrIterator
+ *
+ * Return value: Copy of @iterator
+ **/
+PangoAttrIterator *
+pango_attr_iterator_copy (PangoAttrIterator *iterator)
+{
+  PangoAttrIterator *copy;
+
+  g_return_val_if_fail (iterator != NULL, NULL);
+
+  copy = g_new (PangoAttrIterator, 1);
+
+  *copy = *iterator;
+
+  copy->attribute_stack = g_list_copy (iterator->attribute_stack);
+
+  return copy;
+}
+
+/**
+ * pango_attr_iterator_destroy:
+ * @iterator: a #PangoAttrIterator.
+ * 
+ * Destroy a #PangoAttrIterator and free all associated memory.
  **/
 void
 pango_attr_iterator_destroy (PangoAttrIterator *iterator)
@@ -895,7 +919,7 @@ pango_attr_iterator_destroy (PangoAttrIterator *iterator)
 
 /**
  * pango_attr_iterator_get:
- * @iterator: a #PangoIterator
+ * @iterator: a #PangoAttrIterator
  * @type: the type of attribute to find.
  * 
  * Find the current attribute of a particular type at the iterator
@@ -931,7 +955,7 @@ pango_attr_iterator_get (PangoAttrIterator *iterator,
 
 /**
  * pango_attr_iterator_get_font:
- * @iterator: a #PangoIterator
+ * @iterator: a #PangoAttrIterator
  * @base: the default values to use for fields not currently overridden.
  * @current: a #PangoFontDescription to fill in with the current values. This
  *           #PangoFontDescription structure cannot be freed with
diff --git a/pango/pango-attributes.h b/pango/pango-attributes.h
index a0af8975..13c685cf 100644
--- a/pango/pango-attributes.h
+++ b/pango/pango-attributes.h
@@ -137,17 +137,20 @@ void                pango_attr_list_change       (PangoAttrList  *list,
 						  PangoAttribute *attr);
 PangoAttrIterator * pango_attr_list_get_iterator (PangoAttrList  *list);
 
-void            pango_attr_iterator_range    (PangoAttrIterator    *iterator,
-					      gint                 *start,
-					      gint                 *end);
-gboolean        pango_attr_iterator_next     (PangoAttrIterator    *iterator);
-void            pango_attr_iterator_destroy  (PangoAttrIterator    *iterator);
-PangoAttribute *pango_attr_iterator_get      (PangoAttrIterator    *iterator,
-					      PangoAttrType         type);
-void            pango_attr_iterator_get_font (PangoAttrIterator    *iterator,
-					      PangoFontDescription *base,
-					      PangoFontDescription *current,
-					      GSList              **extra_attrs);
+void               pango_attr_iterator_range    (PangoAttrIterator     *iterator,
+                                                 gint                  *start,
+                                                 gint                  *end);
+gboolean           pango_attr_iterator_next     (PangoAttrIterator     *iterator);
+PangoAttrIterator *pango_attr_iterator_copy     (PangoAttrIterator     *iterator);
+void               pango_attr_iterator_destroy  (PangoAttrIterator     *iterator);
+PangoAttribute *   pango_attr_iterator_get      (PangoAttrIterator     *iterator,
+                                                 PangoAttrType          type);
+void               pango_attr_iterator_get_font (PangoAttrIterator     *iterator,
+                                                 PangoFontDescription  *base,
+                                                 PangoFontDescription  *current,
+                                                 GSList               **extra_attrs);
+
+
 
 #ifdef __cplusplus
 }