Cleanup/refactor `rna_idp_path` code.

Factorize common processes and checks, early `continue` in invalid
cases, etc.
This commit is contained in:
Bastien Montagne 2020-12-28 17:37:16 +01:00
parent ad63d2f60e
commit 7f3601e70d
Notes: blender-bot 2023-02-13 22:39:58 +01:00
Referenced by commit e22a36e80a, Cleanup: Use proper `RNA_pointer_is_null` helper.
1 changed files with 23 additions and 17 deletions

View File

@ -5696,8 +5696,7 @@ static char *rna_idp_path(PointerRNA *ptr,
BLI_assert(haystack->type == IDP_GROUP);
link.up = parent_link;
/* always set both name and index,
* else a stale value might get used */
/* Always set both name and index, else a stale value might get used. */
link.name = NULL;
link.index = -1;
@ -5708,19 +5707,28 @@ static char *rna_idp_path(PointerRNA *ptr,
path = rna_idp_path_create(&link);
break;
}
if (iter->type == IDP_GROUP) {
/* Ensure this is RNA. */
PropertyRNA *prop = RNA_struct_find_property(ptr, iter->name);
/* NOTE: `iter` might be a fully user-defined IDProperty (a.k.a. custom data), which name
* collides with an actual fully static RNA property of the same struct (which would then not
* be flagged with `PROP_IDPROPERTY`).
*
* That case must be ignored here, we only want to deal with runtime RNA properties stored in
* IDProps here.
*
* See T84091. */
if (prop != NULL && prop->type == PROP_POINTER && (prop->flag & PROP_IDPROPERTY) != 0) {
/* Early out in case the IDProperty type cannot contain RNA properties. */
if (!ELEM(iter->type, IDP_GROUP, IDP_IDPARRAY)) {
continue;
}
/* Ensure this is RNA. */
/* NOTE: `iter` might be a fully user-defined IDProperty (a.k.a. custom data), which name
* collides with an actual fully static RNA property of the same struct (which would then not
* be flagged with `PROP_IDPROPERTY`).
*
* That case must be ignored here, we only want to deal with runtime RNA properties stored in
* IDProps.
*
* See T84091. */
PropertyRNA *prop = RNA_struct_find_property(ptr, iter->name);
if (prop == NULL || (prop->flag & PROP_IDPROPERTY) == 0) {
continue;
}
if (iter->type == IDP_GROUP) {
if (prop->type == PROP_POINTER) {
PointerRNA child_ptr = RNA_property_pointer_get(ptr, prop);
BLI_assert(child_ptr.type != NULL);
link.name = iter->name;
@ -5731,9 +5739,7 @@ static char *rna_idp_path(PointerRNA *ptr,
}
}
else if (iter->type == IDP_IDPARRAY) {
PropertyRNA *prop = RNA_struct_find_property(ptr, iter->name);
/* See comment above in `IDP_GROUP` case, same applies here. */
if (prop != NULL && prop->type == PROP_COLLECTION && (prop->flag & PROP_IDPROPERTY) != 0) {
if (prop->type == PROP_COLLECTION) {
IDProperty *array = IDP_IDPArray(iter);
if (needle >= array && needle < (iter->len + array)) { /* found! */
link.name = iter->name;