[next] telepathy-glib: add tp_intset_to_variant()

[Guillaume Desmottes]

Module: telepathy-glib
Branch: next
Commit: 62b0a8cb7ff72d2a5a76601424ab56a0c0118865
URL:    http://cgit.freedesktop.org/telepathy/telepathy-glib/commit/?id=62b0a8cb7ff72d2a5a76601424ab56a0c0118865

Author: Guillaume Desmottes <guillaume.desmottes at collabora.co.uk>
Date:   Thu May 15 09:54:07 2014 +0200

add tp_intset_to_variant()

https://bugs.freedesktop.org/show_bug.cgi?id=77773

---

 .../telepathy-glib/telepathy-glib-sections.txt     |    1 +
 telepathy-glib/intset.c                            |   29 ++++++++++++++++++++
 telepathy-glib/intset.h                            |    2 ++
 tests/intset.c                                     |   14 ++++++++++
 4 files changed, 46 insertions(+)

diff --git a/docs/reference/telepathy-glib/telepathy-glib-sections.txt b/docs/reference/telepathy-glib/telepathy-glib-sections.txt
index d7f38e2..3ffca48 100644
--- a/docs/reference/telepathy-glib/telepathy-glib-sections.txt
+++ b/docs/reference/telepathy-glib/telepathy-glib-sections.txt
@@ -1783,6 +1783,7 @@ tp_intset_is_member
 tp_intset_foreach
 tp_intset_to_array
 tp_intset_from_array
+tp_intset_to_variant
 tp_intset_is_empty
 tp_intset_size
 tp_intset_is_equal
diff --git a/telepathy-glib/intset.c b/telepathy-glib/intset.c
index 363cc0e..7b3c58b 100644
--- a/telepathy-glib/intset.c
+++ b/telepathy-glib/intset.c
@@ -355,6 +355,12 @@ tp_intset_to_array (const TpIntset *set)
   return array;
 }
 
+static void
+addint_builder (guint i, gpointer data)
+{
+  GVariantBuilder *builder = (GVariantBuilder *) data;
+  g_variant_builder_add (builder, "u", i);
+}
 
 /**
  * tp_intset_from_array:
@@ -383,6 +389,29 @@ tp_intset_from_array (const GArray *array)
   return set;
 }
 
+/**
+ * tp_intset_to_variant:
+ * @set: set to convert
+ *
+ * <!--Returns: says it all-->
+ *
+ * Returns: (transfer none): a new floating #GVariant of type
+ * 'au' (array of uint32) containing the same integers as @set.
+ */
+GVariant *
+tp_intset_to_variant (const TpIntset *set)
+{
+  GVariantBuilder builder;
+
+  g_return_val_if_fail (set != NULL, NULL);
+
+  g_variant_builder_init (&builder, G_VARIANT_TYPE ("au"));
+
+  tp_intset_foreach (set, addint_builder, &builder);
+
+  return g_variant_builder_end (&builder);
+}
+
 /* these magic numbers would need adjusting for 64-bit storage */
 G_STATIC_ASSERT (BITFIELD_BITS == 32);
 
diff --git a/telepathy-glib/intset.h b/telepathy-glib/intset.h
index a3038b7..496bcfb 100644
--- a/telepathy-glib/intset.h
+++ b/telepathy-glib/intset.h
@@ -56,6 +56,8 @@ void tp_intset_foreach (const TpIntset *set, TpIntFunc func,
 GArray *tp_intset_to_array (const TpIntset *set) G_GNUC_WARN_UNUSED_RESULT;
 TpIntset *tp_intset_from_array (const GArray *array) G_GNUC_WARN_UNUSED_RESULT;
 
+GVariant *tp_intset_to_variant (const TpIntset *set) G_GNUC_WARN_UNUSED_RESULT;
+
 gboolean tp_intset_is_empty (const TpIntset *set) G_GNUC_WARN_UNUSED_RESULT;
 guint tp_intset_size (const TpIntset *set) G_GNUC_WARN_UNUSED_RESULT;
 
diff --git a/tests/intset.c b/tests/intset.c
index 5f9e69a..3695f1e 100644
--- a/tests/intset.c
+++ b/tests/intset.c
@@ -200,6 +200,20 @@ test (Fixture *f,
     tmp = NULL;
   }
 
+  {
+    GVariant *v;
+
+    v = tp_intset_to_variant (a);
+    g_variant_ref_sink (v);
+    g_assert (g_variant_is_of_type (v, G_VARIANT_TYPE ("au")));
+    g_variant_unref (v);
+
+    v = tp_intset_to_variant (b);
+    g_variant_ref_sink (v);
+    g_assert (g_variant_is_of_type (v, G_VARIANT_TYPE ("au")));
+    g_variant_unref (v);
+  }
+
   value = tp_g_value_slice_new_take_boxed (TP_TYPE_INTSET, a);
   copy = g_value_dup_boxed (value);