qlit: add qobject_from_qlit()

Instantiate a QObject* from a literal QLitObject.

LitObject only supports int64_t for now.  uint64_t and double aren't
implemented.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180305172951.2150-4-marcandre.lureau@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-03-05 18:29:50 +01:00 committed by Eric Blake
parent 3d96ea44d4
commit 3cf42b8b3a
3 changed files with 67 additions and 0 deletions

View file

@ -50,4 +50,6 @@ struct QLitDictEntry {
bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs);
QObject *qobject_from_qlit(const QLitObject *qlit);
#endif /* QLIT_H */

View file

@ -21,6 +21,7 @@
#include "qapi/qmp/qnum.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qstring.h"
#include "qapi/qmp/qnull.h"
static bool qlit_equal_qdict(const QLitObject *lhs, const QDict *qdict)
{
@ -86,3 +87,39 @@ bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
return false;
}
QObject *qobject_from_qlit(const QLitObject *qlit)
{
switch (qlit->type) {
case QTYPE_QNULL:
return QOBJECT(qnull());
case QTYPE_QNUM:
return QOBJECT(qnum_from_int(qlit->value.qnum));
case QTYPE_QSTRING:
return QOBJECT(qstring_from_str(qlit->value.qstr));
case QTYPE_QDICT: {
QDict *qdict = qdict_new();
QLitDictEntry *e;
for (e = qlit->value.qdict; e->key; e++) {
qdict_put_obj(qdict, e->key, qobject_from_qlit(&e->value));
}
return QOBJECT(qdict);
}
case QTYPE_QLIST: {
QList *qlist = qlist_new();
QLitObject *e;
for (e = qlit->value.qlist; e->type != QTYPE_NONE; e++) {
qlist_append_obj(qlist, qobject_from_qlit(e));
}
return QOBJECT(qlist);
}
case QTYPE_QBOOL:
return QOBJECT(qbool_from_bool(qlit->value.qbool));
default:
assert(0);
}
return NULL;
}

View file

@ -9,9 +9,11 @@
#include "qemu/osdep.h"
#include "qapi/qmp/qbool.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qlit.h"
#include "qapi/qmp/qnum.h"
#include "qapi/qmp/qstring.h"
static QLitObject qlit = QLIT_QDICT(((QLitDictEntry[]) {
@ -63,11 +65,37 @@ static void qlit_equal_qobject_test(void)
qobject_decref(qobj);
}
static void qobject_from_qlit_test(void)
{
QObject *obj, *qobj = qobject_from_qlit(&qlit);
QDict *qdict;
QList *bee;
qdict = qobject_to_qdict(qobj);
g_assert_cmpint(qdict_get_int(qdict, "foo"), ==, 42);
g_assert_cmpstr(qdict_get_str(qdict, "bar"), ==, "hello world");
g_assert(qobject_type(qdict_get(qdict, "baz")) == QTYPE_QNULL);
bee = qdict_get_qlist(qdict, "bee");
obj = qlist_pop(bee);
g_assert_cmpint(qnum_get_int(qobject_to_qnum(obj)), ==, 43);
qobject_decref(obj);
obj = qlist_pop(bee);
g_assert_cmpint(qnum_get_int(qobject_to_qnum(obj)), ==, 44);
qobject_decref(obj);
obj = qlist_pop(bee);
g_assert(qbool_get_bool(qobject_to_qbool(obj)));
qobject_decref(obj);
qobject_decref(qobj);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/qlit/equal_qobject", qlit_equal_qobject_test);
g_test_add_func("/qlit/qobject_from_qlit", qobject_from_qlit_test);
return g_test_run();
}