[v2 2/8] Add enum list param getter

["Zeeshan Ali (Khattak)" <zeeshanak@xxxxxxxxx>]

From: "Zeeshan Ali (Khattak)" <zeeshanak@xxxxxxxxx>

---
 osinfo/libosinfo.syms  |  1 +
 osinfo/osinfo_entity.c | 71 ++++++++++++++++++++++++++++++++++++++++----------
 osinfo/osinfo_entity.h |  4 +++
 3 files changed, 62 insertions(+), 14 deletions(-)

diff --git a/osinfo/libosinfo.syms b/osinfo/libosinfo.syms
index 41d3756..1ad4d82 100644
--- a/osinfo/libosinfo.syms
+++ b/osinfo/libosinfo.syms
@@ -403,6 +403,7 @@ LIBOSINFO_0.2.4 {
     global:
 	osinfo_device_driver_format_get_type;
 	osinfo_device_driver_get_format;
+	osinfo_entity_get_param_value_enum_list;
 } LIBOSINFO_0.2.3;
 
 /* Symbols in next release...
diff --git a/osinfo/osinfo_entity.c b/osinfo/osinfo_entity.c
index 543c710..8b9286e 100644
--- a/osinfo/osinfo_entity.c
+++ b/osinfo/osinfo_entity.c
@@ -382,24 +382,19 @@ gint osinfo_entity_get_param_value_enum(OsinfoEntity *entity,
                                         GType enum_type,
                                         gint default_value)
 {
-    const gchar *nick;
-    GEnumClass *enum_class;
-    GEnumValue *enum_value;
+    GList *value_list;
+    gint ret;
 
     g_return_val_if_fail(G_TYPE_IS_ENUM(enum_type), default_value);
 
-    nick = osinfo_entity_get_param_value(entity, key);
-    if (nick == NULL)
-        return default_value;
-
-    enum_class = g_type_class_ref(enum_type);
-    enum_value = g_enum_get_value_by_nick(enum_class, nick);
-    g_type_class_unref(enum_class);
-
-    if (enum_value != NULL)
-        return enum_value->value;
+    value_list = osinfo_entity_get_param_value_enum_list(entity,
+                                                         key,
+                                                         enum_type,
+                                                         default_value);
+    ret = GPOINTER_TO_INT(value_list->data);
+    g_list_free (value_list);
 
-    g_return_val_if_reached(default_value);
+    return ret;
 }
 
 /**
@@ -425,6 +420,54 @@ GList *osinfo_entity_get_param_value_list(OsinfoEntity *entity, const gchar *key
     return g_list_copy(values);
 }
 
+/**
+ * osinfo_entity_get_param_value_enum_list:
+ * @entity: an #OsinfoEntity containing the parameters
+ * @key: the name of the key
+ *
+ * Retrieve all the parameter values associated with a named key as enums. If
+ * no values are associated, a list with only @default_value is returned.
+ *
+ * Returns: (transfer container) (element-type gint): the values associated with the key
+ */
+GList *osinfo_entity_get_param_value_enum_list(OsinfoEntity *entity,
+                                               const char *key,
+                                               GType enum_type,
+                                               gint default_value)
+{
+    GList *value_list;
+    GList *iter;
+    GList *ret = NULL;
+    GList *default_list;
+
+    default_list = g_list_append (NULL, GINT_TO_POINTER(default_value));
+
+    g_return_val_if_fail(G_TYPE_IS_ENUM(enum_type), NULL);
+
+    value_list = osinfo_entity_get_param_value_list(entity, key);
+    if (value_list == NULL)
+        return default_list;
+
+    for (iter = value_list; iter; iter = iter->next) {
+        GEnumClass *enum_class;
+        GEnumValue *enum_value;
+        const gchar *nick = (const gchar *) iter->data;
+
+        enum_class = g_type_class_ref(enum_type);
+        enum_value = g_enum_get_value_by_nick(enum_class, nick);
+        g_type_class_unref(enum_class);
+
+        if (enum_value != NULL)
+            ret = g_list_append(ret,  GINT_TO_POINTER(enum_value->value));
+    }
+
+    if (ret == NULL)
+        return default_list;
+
+    g_list_free(default_list);
+
+    return ret;
+}
 
 /*
  * Local variables:
diff --git a/osinfo/osinfo_entity.h b/osinfo/osinfo_entity.h
index 4c6dc45..64f31d2 100644
--- a/osinfo/osinfo_entity.h
+++ b/osinfo/osinfo_entity.h
@@ -84,6 +84,10 @@ gint64 osinfo_entity_get_param_value_int64_with_default(OsinfoEntity *entity,
                                                         const gchar *key,
                                                         gint64 default_value);
 GList *osinfo_entity_get_param_value_list(OsinfoEntity *entity, const gchar *key);
+GList *osinfo_entity_get_param_value_enum_list(OsinfoEntity *entity,
+                                               const char *key,
+                                               GType enum_type,
+                                               gint default_value);
 void osinfo_entity_set_param(OsinfoEntity *entity, const gchar *key, const gchar *value);
 void osinfo_entity_set_param_boolean(OsinfoEntity *entity, const gchar *key, gboolean value);
 void osinfo_entity_set_param_int64(OsinfoEntity *entity, const gchar *key, gint64 value);
-- 
1.8.1.2

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