qobject: New qdict_from_jsonf_nofail()

Many uses of qobject_from_jsonf() convert JSON objects.  Create new
convenience function qdict_from_jsonf_nofail() that includes the
conversion to QDict.  The next few commits will put it to use.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180703085358.13941-22-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-07-03 10:53:47 +02:00
parent cab5ad86b4
commit a193352ff9
2 changed files with 20 additions and 0 deletions

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@ -19,6 +19,8 @@ QObject *qobject_from_jsonf(const char *string, ...) GCC_FMT_ATTR(1, 2);
QObject *qobject_from_jsonv(const char *string, va_list *ap, Error **errp)
GCC_FMT_ATTR(1, 0);
QDict *qdict_from_jsonf_nofail(const char *string, ...) GCC_FMT_ATTR(1, 2);
QString *qobject_to_json(const QObject *obj);
QString *qobject_to_json_pretty(const QObject *obj);

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@ -76,6 +76,24 @@ QObject *qobject_from_jsonf(const char *string, ...)
return obj;
}
/*
* Parse @string as JSON object with %-escapes interpolated.
* Abort on error. Do not use with untrusted @string.
* Return the resulting QDict. It is never null.
*/
QDict *qdict_from_jsonf_nofail(const char *string, ...)
{
QDict *obj;
va_list ap;
va_start(ap, string);
obj = qobject_to(QDict, qobject_from_jsonv(string, &ap, &error_abort));
va_end(ap);
assert(obj);
return obj;
}
typedef struct ToJsonIterState
{
int indent;