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qom: add generic string parsing/printing

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Add generic property accessors that take a string and parse it
appropriately for the property type.  All the magic here is done
by the new string-based visitors.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-02-09 09:52:59 +01:00
parent 2d7799f2cc
commit b2cd7dee86
2 changed files with 49 additions and 0 deletions
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24
include/qemu/object.h
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@ -729,6 +729,30 @@ int64_t object_property_get_int(Object *obj, const char *name,
void object_property_set(Object *obj, struct Visitor *v, const char *name,
struct Error **errp);
/**
* object_property_parse:
* @obj: the object
* @string: the string that will be used to parse the property value.
* @name: the name of the property
* @errp: returns an error if this function fails
*
* Parses a string and writes the result into a property of an object.
*/
void object_property_parse(Object *obj, const char *string,
const char *name, struct Error **errp);
/**
* object_property_print:
* @obj: the object
* @name: the name of the property
* @errp: returns an error if this function fails
*
* Returns a string representation of the value of the property. The
* caller shall free the string.
*/
char *object_property_print(Object *obj, const char *name,
struct Error **errp);
/**
* object_property_get_type:
* @obj: the object