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qom: add object_resolve_path_type

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Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-02-03 11:21:01 +01:00
parent 8f770d3905
commit 02fe2db631
2 changed files with 41 additions and 10 deletions
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25
include/qemu/object.h
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@ -749,13 +749,34 @@ gchar *object_get_canonical_path(Object *obj);
* specifying objects easy. At each level of the composition tree, the partial
* path is matched as an absolute path. The first match is not returned. At
* least two matches are searched for. A successful result is only returned if
* only one match is founded. If more than one match is found, a flag is
* return to indicate that the match was ambiguous.
* only one match is found. If more than one match is found, a flag is
* returned to indicate that the match was ambiguous.
*
* Returns: The matched object or NULL on path lookup failure.
*/
Object *object_resolve_path(const char *path, bool *ambiguous);
/**
* object_resolve_path_type:
* @path: the path to resolve
* @typename: the type to look for.
* @ambiguous: returns true if the path resolution failed because of an
* ambiguous match
*
* This is similar to object_resolve_path. However, when looking for a
* partial path only matches that implement the given type are considered.
* This restricts the search and avoids spuriously flagging matches as
* ambiguous.
*
* For both partial and absolute paths, the return value goes through
* a dynamic cast to @typename. This is important if either the link,
* or the typename itself are of interface types.
*
* Returns: The matched object or NULL on path lookup failure.
*/
Object *object_resolve_path_type(const char *path, const char *typename,
bool *ambiguous);
/**
* object_property_add_child:
* @obj: the object to add a property to