libmm-common,libmm-glib: new modes string builder

libmm-common/mm-common-helpers.c

@@ -96,6 +96,46 @@ mm_common_get_access_technologies_string (MMModemAccessTechnology access_tech)
     return g_string_free (str, FALSE);
 }
 
+gchar *
+mm_common_get_modes_string (MMModemMode mode)
+{
+	GFlagsClass *flags_class;
+    GString *str;
+
+    str = g_string_new ("");
+    flags_class = G_FLAGS_CLASS (g_type_class_ref (MM_TYPE_MODEM_MODE));
+
+    if (mode == MM_MODEM_MODE_NONE ||
+        mode == MM_MODEM_MODE_ANY) {
+        GFlagsValue *value;
+
+        value = g_flags_get_first_value (flags_class, mode);
+        g_string_append (str, value->value_nick);
+    } else {
+        MMModemMode it;
+        gboolean first = TRUE;
+
+        for (it = MM_MODEM_MODE_1G; /* first */
+             it <= MM_MODEM_MODE_4G; /* last */
+             it = it << 1) {
+            if (mode & it) {
+                GFlagsValue *value;
+
+                value = g_flags_get_first_value (flags_class, it);
+                g_string_append_printf (str, "%s%s",
+                                        first ? "" : ", ",
+                                        value->value_nick);
+
+                if (first)
+                    first = FALSE;
+            }
+        }
+    }
+    g_type_class_unref (flags_class);
+
+    return g_string_free (str, FALSE);
+}
+
 gchar *
 mm_common_get_bands_string (const MMModemBand *bands,
                             guint n_bands)

libmm-common/mm-common-helpers.h

@@ -21,6 +21,7 @@
 
 gchar *mm_common_get_capabilities_string (MMModemCapability caps);
 gchar *mm_common_get_access_technologies_string (MMModemAccessTechnology access_tech);
+gchar *mm_common_get_modes_string (MMModemMode mode);
 gchar *mm_common_get_bands_string (const MMModemBand *bands,
                                    guint n_bands);
 

libmm-glib/mm-modem.c

@@ -1699,6 +1699,20 @@ mm_modem_get_access_technologies_string (MMModemAccessTechnology access_tech)
     return mm_common_get_access_technologies_string (access_tech);
 }
 
+/**
+ * mm_modem_get_modes_string:
+ * @mode: Bitmask of #MMModemMode flags.
+ *
+ * Build a string with a list of modes.
+ *
+ * Returns: (transfer full): A string specifying the modes given in @mode. The returned value should be freed with g_free().
+ */
+gchar *
+mm_modem_get_modes_string (MMModemMode mode)
+{
+    return mm_common_get_modes_string (mode);
+}
+
 /**
  * mm_modem_get_bands_string:
  * @bands: List of #MMModemBand values.

libmm-glib/mm-modem.h

@@ -212,6 +212,7 @@ MMSim *mm_modem_get_sim_sync   (MMModem *self,
 
 gchar *mm_modem_get_capabilities_string (MMModemCapability caps);
 gchar *mm_modem_get_access_technologies_string (MMModemAccessTechnology access_tech);
+gchar *mm_modem_get_modes_string (MMModemMode mode);
 gchar *mm_modem_get_bands_string (const MMModemBand *bands,
                                   guint n_bands);