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parser: fix parse of 'V' as Choice

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This commit is contained in:
Wim Taymans 2019-01-17 17:19:13 +01:00
parent be1725c67b
commit 767e7efc0e
1 changed files with 9 additions and 18 deletions
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27
spa/include/spa/pod/parser.h
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@ -98,7 +98,8 @@ static inline bool spa_pod_parser_can_collect(struct spa_pod *pod, char type)
return type == 'h';
case SPA_TYPE_Choice:
return type == 'V' ||
spa_pod_parser_can_collect(SPA_POD_CHOICE_CHILD(pod), type);
(SPA_POD_CHOICE_TYPE(pod) == SPA_CHOICE_None &&
spa_pod_parser_can_collect(SPA_POD_CHOICE_CHILD(pod), type));
default:
return false;
}
@ -211,7 +212,7 @@ static inline int spa_pod_parser_getv(struct spa_pod_parser *parser, va_list arg
{
struct spa_pod *pod = NULL, *current;
struct spa_pod_prop *prop = NULL;
bool required = true, skip = false;
bool required = true;
struct spa_pod_iter *it = &parser->iter[parser->depth];
const char *format = "";
uint32_t *idp;
@ -248,6 +249,7 @@ static inline int spa_pod_parser_getv(struct spa_pod_parser *parser, va_list arg
if (--parser->depth < 0)
return -EINVAL;
it = &parser->iter[parser->depth];
if (SPA_POD_TYPE(it->data) == SPA_TYPE_Object)
parser->flags = SPA_POD_PARSER_FLAG_OBJECT;
else if (SPA_POD_TYPE(it->data) == SPA_TYPE_Struct)
@ -286,32 +288,21 @@ static inline int spa_pod_parser_getv(struct spa_pod_parser *parser, va_list arg
case '?':
required = false;
break;
case 'V':
pod = (struct spa_pod *) prop;
if (pod == NULL && required)
return -ESRCH;
goto collect;
default:
if (pod == NULL || !spa_pod_parser_can_collect(pod, *format)) {
if (required)
return -ESRCH;
skip = true;
}
collect:
if (pod->type == SPA_TYPE_Choice)
pod = SPA_POD_CHOICE_CHILD(pod);
if (skip)
SPA_POD_PARSER_SKIP(*format, args);
else
} else {
if (pod->type == SPA_TYPE_Choice && *format != 'V')
pod = SPA_POD_CHOICE_CHILD(pod);
SPA_POD_PARSER_COLLECT(pod, *format, args);
}
spa_pod_iter_advance(it, current);
required = true;
skip = false;
read_pod:
pod = current = spa_pod_iter_current(it);
prop = NULL;
break;
}
format++;