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qapi: New qobject_input_visitor_new_str() for convenience

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1488317230-26248-21-git-send-email-armbru@redhat.com>
This commit is contained in:
Markus Armbruster
2017-02-28 22:27:06 +01:00
parent f740048323
commit 9d1eab4b95
2 changed files with 48 additions and 0 deletions
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36
qapi/qobject-input-visitor.c
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@ -18,9 +18,11 @@
#include "qapi/visitor-impl.h"
#include "qemu/queue.h"
#include "qemu-common.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/types.h"
#include "qapi/qmp/qerror.h"
#include "qemu/cutils.h"
#include "qemu/option.h"
typedef struct StackObject {
const char *name; /* Name of @obj in its parent, if any */
@ -656,3 +658,37 @@ Visitor *qobject_input_visitor_new_keyval(QObject *obj)
return &v->visitor;
}
Visitor *qobject_input_visitor_new_str(const char *str,
const char *implied_key,
Error **errp)
{
bool is_json = str[0] == '{';
QObject *obj;
QDict *args;
Visitor *v;
if (is_json) {
obj = qobject_from_json(str, errp);
if (!obj) {
/* Work around qobject_from_json() lossage TODO fix that */
if (errp && !*errp) {
error_setg(errp, "JSON parse error");
return NULL;
}
return NULL;
}
args = qobject_to_qdict(obj);
assert(args);
v = qobject_input_visitor_new(QOBJECT(args));
} else {
args = keyval_parse(str, implied_key, errp);
if (!args) {
return NULL;
}
v = qobject_input_visitor_new_keyval(QOBJECT(args));
}
QDECREF(args);
return v;
}