diff options
author | Bastien Montagne <bastien@blender.org> | 2020-04-25 21:58:55 +0300 |
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committer | Bastien Montagne <bastien@blender.org> | 2020-04-28 16:25:19 +0300 |
commit | 9f090bac5c7455ab22cd22cc3f6ea94b54d6de33 (patch) | |
tree | c434f5958335b1f4be6f2de7aba8c240ed8bc1e6 /source/blender/blenkernel/intern/idprop.c | |
parent | 7d85b6431fc331d9869f945bf7c9f3353b7b8c95 (diff) |
IDProperties: add a foreach looper and use it in libquery code.
Note: part of fix for T75279.
Differential Revision: https://developer.blender.org/D7550
Diffstat (limited to 'source/blender/blenkernel/intern/idprop.c')
-rw-r--r-- | source/blender/blenkernel/intern/idprop.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/idprop.c b/source/blender/blenkernel/intern/idprop.c index 5530a126ffc..669539ca574 100644 --- a/source/blender/blenkernel/intern/idprop.c +++ b/source/blender/blenkernel/intern/idprop.c @@ -1130,4 +1130,45 @@ void IDP_Reset(IDProperty *prop, const IDProperty *reference) } } +/** + * Loop through all ID properties in hierarchy of given \a id_property_root included. + * + * \note Container types (groups and arrays) are processed after applying the callback on them. + * + * \param type_filter: If not 0, only apply callback on properties of matching types, see + * IDP_TYPE_FILTER_ enum in DNA_ID.h. + */ +void IDP_foreach_property(IDProperty *id_property_root, + const int type_filter, + IDPForeachPropertyCallback callback, + void *user_data) +{ + if (!id_property_root) { + return; + } + + if (type_filter == 0 || (1 << id_property_root->type) & type_filter) { + callback(id_property_root, user_data); + } + + /* Recursive call into container types of ID properties. */ + switch (id_property_root->type) { + case IDP_GROUP: { + LISTBASE_FOREACH (IDProperty *, loop, &id_property_root->data.group) { + IDP_foreach_property(loop, type_filter, callback, user_data); + } + break; + } + case IDP_IDPARRAY: { + IDProperty *loop = IDP_Array(id_property_root); + for (int i = 0; i < id_property_root->len; i++) { + IDP_foreach_property(&loop[i], type_filter, callback, user_data); + } + break; + } + default: + break; /* Nothing to do here with other types of IDProperties... */ + } +} + /** \} */ |