qom: introduce object_property_get_enum and object_property_get_uint16List

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Hu Tao 2014-05-14 17:43:33 +08:00 committed by Michael S. Tsirkin
parent 7f8f9ef1da
commit 1f21772db0
2 changed files with 63 additions and 0 deletions

View File

@ -916,6 +916,34 @@ void object_property_set_int(Object *obj, int64_t value,
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);
/**
* object_property_get_uint16List:
* @obj: the object
* @name: the name of the property
* @list: the returned int list
* @errp: returns an error if this function fails
*
* Returns: the value of the property, converted to integers, or
* undefined if an error occurs (including when the property value is not
* an list of integers).
*/
void object_property_get_uint16List(Object *obj, const char *name,
uint16List **list, Error **errp);
/**
* object_property_set:
* @obj: the object

View File

@ -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)
{