Patchwork [v3,32/34] qom: introduce object_property_get_enum and object_property_get_uint16List

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Submitter Hu Tao
Date March 26, 2014, 10:37 a.m.
Message ID <c926834c827f55d4b93147412eabb5eec98a6ae2.1395825871.git.hutao@cn.fujitsu.com>
Download mbox | patch
Permalink /patch/333818/
State New
Headers show

Comments

Hu Tao - March 26, 2014, 10:37 a.m.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
---
 include/qom/object.h | 18 ++++++++++++++++++
 qom/object.c         | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+)

Patch

diff --git a/include/qom/object.h b/include/qom/object.h
index a641dcd..2e488f1 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -917,6 +917,24 @@  int64_t object_property_get_int(Object *obj, const char *name,
                                 Error **errp);
 
 /**
+ * object_property_get_enum:
+ * @obj: the object
+ * @name: the name of the property
+ * @strings: strings corresponding to enums
+ * @errp: returns an error if this function fails
+ *
+ * Returns: the value of the property, converted to an integer, or
+ * undefined if an error occurs (including when the property value is not
+ * an enum).
+ */
+int object_property_get_enum(Object *obj, const char *name,
+                             const char *strings[], Error **errp);
+
+
+void object_property_get_uint16List(Object *obj, const char *name,
+                                    uint16List **list, Error **errp);
+
+/**
  * object_property_set:
  * @obj: the object
  * @v: the visitor that will be used to write the property value.  This should
diff --git a/qom/object.c b/qom/object.c
index f4de619..f6e3c4f 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -13,6 +13,7 @@ 
 #include "qom/object.h"
 #include "qemu-common.h"
 #include "qapi/visitor.h"
+#include "qapi-visit.h"
 #include "qapi/string-input-visitor.h"
 #include "qapi/string-output-visitor.h"
 #include "qapi/qmp/qerror.h"
@@ -938,6 +939,40 @@  int64_t object_property_get_int(Object *obj, const char *name,
     return retval;
 }
 
+int object_property_get_enum(Object *obj, const char *name,
+                             const char *strings[], Error **errp)
+{
+    StringOutputVisitor *sov;
+    StringInputVisitor *siv;
+    int ret;
+
+    sov = string_output_visitor_new(false);
+    object_property_get(obj, string_output_get_visitor(sov), name, errp);
+    siv = string_input_visitor_new(string_output_get_string(sov));
+    string_output_visitor_cleanup(sov);
+    visit_type_enum(string_input_get_visitor(siv),
+                    &ret, strings, NULL, name, errp);
+    string_input_visitor_cleanup(siv);
+
+    return ret;
+}
+
+void object_property_get_uint16List(Object *obj, const char *name,
+                                    uint16List **list, Error **errp)
+{
+    StringOutputVisitor *ov;
+    StringInputVisitor *iv;
+
+    ov = string_output_visitor_new(false);
+    object_property_get(obj, string_output_get_visitor(ov),
+                        name, errp);
+    iv = string_input_visitor_new(string_output_get_string(ov));
+    visit_type_uint16List(string_input_get_visitor(iv),
+                          list, NULL, errp);
+    string_output_visitor_cleanup(ov);
+    string_input_visitor_cleanup(iv);
+}
+
 void object_property_parse(Object *obj, const char *string,
                            const char *name, Error **errp)
 {