/* SPDX-License-Identifier: GPL-2.0-or-later */

/* Use a define instead of `#pragma once` because of `rna_internal.h` */
#ifndef __RNA_ACCESS_H__
#define __RNA_ACCESS_H__

/** \file
 * \ingroup RNA
 */

#include <stdarg.h>

#include "RNA_types.h"

#include "BLI_compiler_attrs.h"

#ifdef __cplusplus
extern "C" {
#endif

struct ID;
struct IDOverrideLibrary;
struct IDOverrideLibraryProperty;
struct IDOverrideLibraryPropertyOperation;
struct IDProperty;
struct ListBase;
struct Main;
struct ReportList;
struct Scene;
struct bContext;

/* Types */
extern BlenderRNA BLENDER_RNA;

/* Pointer
 *
 * These functions will fill in RNA pointers, this can be done in three ways:
 * - a pointer Main is created by just passing the data pointer
 * - a pointer to a datablock can be created with the type and id data pointer
 * - a pointer to data contained in a datablock can be created with the id type
 *   and id data pointer, and the data type and pointer to the struct itself.
 *
 * There is also a way to get a pointer with the information about all structs.
 */

void RNA_main_pointer_create(struct Main *main, PointerRNA *r_ptr);
void RNA_id_pointer_create(struct ID *id, PointerRNA *r_ptr);
void RNA_pointer_create(struct ID *id, StructRNA *type, void *data, PointerRNA *r_ptr);
bool RNA_pointer_is_null(const PointerRNA *ptr);

bool RNA_path_resolved_create(PointerRNA *ptr,
                              struct PropertyRNA *prop,
                              int prop_index,
                              PathResolvedRNA *r_anim_rna);

void RNA_blender_rna_pointer_create(PointerRNA *r_ptr);
void RNA_pointer_recast(PointerRNA *ptr, PointerRNA *r_ptr);

extern const PointerRNA PointerRNA_NULL;

/* Structs */

StructRNA *RNA_struct_find(const char *identifier);

const char *RNA_struct_identifier(const StructRNA *type);
const char *RNA_struct_ui_name(const StructRNA *type);
const char *RNA_struct_ui_name_raw(const StructRNA *type);
const char *RNA_struct_ui_description(const StructRNA *type);
const char *RNA_struct_ui_description_raw(const StructRNA *type);
const char *RNA_struct_translation_context(const StructRNA *type);
int RNA_struct_ui_icon(const StructRNA *type);

PropertyRNA *RNA_struct_name_property(const StructRNA *type);
const EnumPropertyItem *RNA_struct_property_tag_defines(const StructRNA *type);
PropertyRNA *RNA_struct_iterator_property(StructRNA *type);
StructRNA *RNA_struct_base(StructRNA *type);
/**
 * Use to find the sub-type directly below a base-type.
 *
 * So if type were `RNA_SpotLight`, `RNA_struct_base_of(type, &RNA_ID)` would return `&RNA_Light`.
 */
const StructRNA *RNA_struct_base_child_of(const StructRNA *type, const StructRNA *parent_type);

bool RNA_struct_is_ID(const StructRNA *type);
bool RNA_struct_is_a(const StructRNA *type, const StructRNA *srna);

bool RNA_struct_undo_check(const StructRNA *type);

StructRegisterFunc RNA_struct_register(StructRNA *type);
StructUnregisterFunc RNA_struct_unregister(StructRNA *type);
void **RNA_struct_instance(PointerRNA *ptr);

void *RNA_struct_py_type_get(StructRNA *srna);
void RNA_struct_py_type_set(StructRNA *srna, void *py_type);

void *RNA_struct_blender_type_get(StructRNA *srna);
void RNA_struct_blender_type_set(StructRNA *srna, void *blender_type);

struct IDProperty **RNA_struct_idprops_p(PointerRNA *ptr);
struct IDProperty *RNA_struct_idprops(PointerRNA *ptr, bool create);
bool RNA_struct_idprops_check(StructRNA *srna);
bool RNA_struct_idprops_register_check(const StructRNA *type);
bool RNA_struct_idprops_datablock_allowed(const StructRNA *type);
/**
 * Whether given type implies datablock usage by IDProperties.
 * This is used to prevent classes allowed to have IDProperties,
 * but not datablock ones, to indirectly use some
 * (e.g. by assigning an IDP_GROUP containing some IDP_ID pointers...).
 */
bool RNA_struct_idprops_contains_datablock(const StructRNA *type);
/**
 * Remove an id-property.
 */
bool RNA_struct_idprops_unset(PointerRNA *ptr, const char *identifier);

PropertyRNA *RNA_struct_find_property(PointerRNA *ptr, const char *identifier);
bool RNA_struct_contains_property(PointerRNA *ptr, PropertyRNA *prop_test);
unsigned int RNA_struct_count_properties(StructRNA *srna);

/**
 * Low level direct access to type->properties,
 * note this ignores parent classes so should be used with care.
 */
const struct ListBase *RNA_struct_type_properties(StructRNA *srna);
PropertyRNA *RNA_struct_type_find_property_no_base(StructRNA *srna, const char *identifier);
/**
 * \note #RNA_struct_find_property is a higher level alternative to this function
 * which takes a #PointerRNA instead of a #StructRNA.
 */
PropertyRNA *RNA_struct_type_find_property(StructRNA *srna, const char *identifier);

FunctionRNA *RNA_struct_find_function(StructRNA *srna, const char *identifier);
const struct ListBase *RNA_struct_type_functions(StructRNA *srna);

char *RNA_struct_name_get_alloc(PointerRNA *ptr, char *fixedbuf, int fixedlen, int *r_len);

/**
 * Use when registering structs with the #STRUCT_PUBLIC_NAMESPACE flag.
 */
bool RNA_struct_available_or_report(struct ReportList *reports, const char *identifier);
bool RNA_struct_bl_idname_ok_or_report(struct ReportList *reports,
                                       const char *identifier,
                                       const char *sep);

/* Properties
 *
 * Access to struct properties. All this works with RNA pointers rather than
 * direct pointers to the data. */

/* Property Information */

const char *RNA_property_identifier(const PropertyRNA *prop);
const char *RNA_property_description(PropertyRNA *prop);

PropertyType RNA_property_type(PropertyRNA *prop);
PropertySubType RNA_property_subtype(PropertyRNA *prop);
PropertyUnit RNA_property_unit(PropertyRNA *prop);
PropertyScaleType RNA_property_ui_scale(PropertyRNA *prop);
int RNA_property_flag(PropertyRNA *prop);
int RNA_property_override_flag(PropertyRNA *prop);
/**
 * Get the tags set for \a prop as int bit-field.
 * \note Doesn't perform any validity check on the set bits. #RNA_def_property_tags does this
 *       in debug builds (to avoid performance issues in non-debug builds), which should be
 *       the only way to set tags. Hence, at this point we assume the tag bit-field to be valid.
 */
int RNA_property_tags(PropertyRNA *prop);
bool RNA_property_builtin(PropertyRNA *prop);
void *RNA_property_py_data_get(PropertyRNA *prop);

int RNA_property_array_length(PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_array_check(PropertyRNA *prop);
/**
 * Return the size of Nth dimension.
 */
int RNA_property_multi_array_length(PointerRNA *ptr, PropertyRNA *prop, int dimension);
/**
 * Used by BPY to make an array from the python object.
 */
int RNA_property_array_dimension(const PointerRNA *ptr, PropertyRNA *prop, int length[]);
char RNA_property_array_item_char(PropertyRNA *prop, int index);
int RNA_property_array_item_index(PropertyRNA *prop, char name);

/**
 * \return the maximum length including the \0 terminator. '0' is used when there is no maximum.
 */
int RNA_property_string_maxlength(PropertyRNA *prop);

const char *RNA_property_ui_name(const PropertyRNA *prop);
const char *RNA_property_ui_name_raw(const PropertyRNA *prop);
const char *RNA_property_ui_description(const PropertyRNA *prop);
const char *RNA_property_ui_description_raw(const PropertyRNA *prop);
const char *RNA_property_translation_context(const PropertyRNA *prop);
int RNA_property_ui_icon(const PropertyRNA *prop);

/* Dynamic Property Information */

void RNA_property_int_range(PointerRNA *ptr, PropertyRNA *prop, int *hardmin, int *hardmax);
void RNA_property_int_ui_range(
    PointerRNA *ptr, PropertyRNA *prop, int *softmin, int *softmax, int *step);

void RNA_property_float_range(PointerRNA *ptr, PropertyRNA *prop, float *hardmin, float *hardmax);
void RNA_property_float_ui_range(PointerRNA *ptr,
                                 PropertyRNA *prop,
                                 float *softmin,
                                 float *softmax,
                                 float *step,
                                 float *precision);

int RNA_property_float_clamp(PointerRNA *ptr, PropertyRNA *prop, float *value);
int RNA_property_int_clamp(PointerRNA *ptr, PropertyRNA *prop, int *value);

bool RNA_enum_identifier(const EnumPropertyItem *item, int value, const char **identifier);
int RNA_enum_bitflag_identifiers(const EnumPropertyItem *item, int value, const char **identifier);
bool RNA_enum_name(const EnumPropertyItem *item, int value, const char **r_name);
bool RNA_enum_description(const EnumPropertyItem *item, int value, const char **description);
int RNA_enum_from_value(const EnumPropertyItem *item, int value);
int RNA_enum_from_identifier(const EnumPropertyItem *item, const char *identifier);
bool RNA_enum_value_from_identifier(const EnumPropertyItem *item,
                                    const char *identifier,
                                    int *r_value);
/**
 * Take care using this with translated enums,
 * prefer #RNA_enum_from_identifier where possible.
 */
int RNA_enum_from_name(const EnumPropertyItem *item, const char *name);
unsigned int RNA_enum_items_count(const EnumPropertyItem *item);

void RNA_property_enum_items_ex(struct bContext *C,
                                PointerRNA *ptr,
                                PropertyRNA *prop,
                                bool use_static,
                                const EnumPropertyItem **r_item,
                                int *r_totitem,
                                bool *r_free);
void RNA_property_enum_items(struct bContext *C,
                             PointerRNA *ptr,
                             PropertyRNA *prop,
                             const EnumPropertyItem **r_item,
                             int *r_totitem,
                             bool *r_free);
void RNA_property_enum_items_gettexted(struct bContext *C,
                                       PointerRNA *ptr,
                                       PropertyRNA *prop,
                                       const EnumPropertyItem **r_item,
                                       int *r_totitem,
                                       bool *r_free);
void RNA_property_enum_items_gettexted_all(struct bContext *C,
                                           PointerRNA *ptr,
                                           PropertyRNA *prop,
                                           const EnumPropertyItem **r_item,
                                           int *r_totitem,
                                           bool *r_free);
bool RNA_property_enum_value(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, const char *identifier, int *r_value);
bool RNA_property_enum_identifier(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int value, const char **identifier);
bool RNA_property_enum_name(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int value, const char **name);
bool RNA_property_enum_name_gettexted(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int value, const char **name);

bool RNA_property_enum_item_from_value(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int value, EnumPropertyItem *r_item);
bool RNA_property_enum_item_from_value_gettexted(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int value, EnumPropertyItem *r_item);

int RNA_property_enum_bitflag_identifiers(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int value, const char **identifier);

StructRNA *RNA_property_pointer_type(PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_pointer_poll(PointerRNA *ptr, PropertyRNA *prop, PointerRNA *value);

bool RNA_property_editable(PointerRNA *ptr, PropertyRNA *prop);
/**
 * Version of #RNA_property_editable that tries to return additional info in \a r_info
 * that can be exposed in UI.
 */
bool RNA_property_editable_info(PointerRNA *ptr, PropertyRNA *prop, const char **r_info);
/**
 * Same as RNA_property_editable(), except this checks individual items in an array.
 */
bool RNA_property_editable_index(PointerRNA *ptr, PropertyRNA *prop, const int index);

/**
 * Without lib check, only checks the flag.
 */
bool RNA_property_editable_flag(PointerRNA *ptr, PropertyRNA *prop);

bool RNA_property_animateable(const PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_animated(PointerRNA *ptr, PropertyRNA *prop);
/**
 * \note Does not take into account editable status, this has to be checked separately
 * (using #RNA_property_editable_flag() usually).
 */
bool RNA_property_overridable_get(PointerRNA *ptr, PropertyRNA *prop);
/**
 * Should only be used for custom properties.
 */
bool RNA_property_overridable_library_set(PointerRNA *ptr, PropertyRNA *prop, bool is_overridable);
bool RNA_property_overridden(PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_comparable(PointerRNA *ptr, PropertyRNA *prop);
/**
 * This function is to check if its possible to create a valid path from the ID
 * its slow so don't call in a loop.
 */
bool RNA_property_path_from_ID_check(PointerRNA *ptr, PropertyRNA *prop); /* slow, use with care */

void RNA_property_update(struct bContext *C, PointerRNA *ptr, PropertyRNA *prop);
/**
 * \param scene: may be NULL.
 */
void RNA_property_update_main(struct Main *bmain,
                              struct Scene *scene,
                              PointerRNA *ptr,
                              PropertyRNA *prop);
/**
 * \note its possible this returns a false positive in the case of #PROP_CONTEXT_UPDATE
 * but this isn't likely to be a performance problem.
 */
bool RNA_property_update_check(struct PropertyRNA *prop);

/* Property Data */

bool RNA_property_boolean_get(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_boolean_set(PointerRNA *ptr, PropertyRNA *prop, bool value);
void RNA_property_boolean_get_array(PointerRNA *ptr, PropertyRNA *prop, bool *values);
bool RNA_property_boolean_get_index(PointerRNA *ptr, PropertyRNA *prop, int index);
void RNA_property_boolean_set_array(PointerRNA *ptr, PropertyRNA *prop, const bool *values);
void RNA_property_boolean_set_index(PointerRNA *ptr, PropertyRNA *prop, int index, bool value);
bool RNA_property_boolean_get_default(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_boolean_get_default_array(PointerRNA *ptr, PropertyRNA *prop, bool *values);
bool RNA_property_boolean_get_default_index(PointerRNA *ptr, PropertyRNA *prop, int index);

int RNA_property_int_get(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_int_set(PointerRNA *ptr, PropertyRNA *prop, int value);
void RNA_property_int_get_array(PointerRNA *ptr, PropertyRNA *prop, int *values);
void RNA_property_int_get_array_range(PointerRNA *ptr, PropertyRNA *prop, int values[2]);
int RNA_property_int_get_index(PointerRNA *ptr, PropertyRNA *prop, int index);
void RNA_property_int_set_array(PointerRNA *ptr, PropertyRNA *prop, const int *values);
void RNA_property_int_set_index(PointerRNA *ptr, PropertyRNA *prop, int index, int value);
int RNA_property_int_get_default(PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_int_set_default(PropertyRNA *prop, int value);
void RNA_property_int_get_default_array(PointerRNA *ptr, PropertyRNA *prop, int *values);
int RNA_property_int_get_default_index(PointerRNA *ptr, PropertyRNA *prop, int index);

float RNA_property_float_get(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_float_set(PointerRNA *ptr, PropertyRNA *prop, float value);
void RNA_property_float_get_array(PointerRNA *ptr, PropertyRNA *prop, float *values);
void RNA_property_float_get_array_range(PointerRNA *ptr, PropertyRNA *prop, float values[2]);
float RNA_property_float_get_index(PointerRNA *ptr, PropertyRNA *prop, int index);
void RNA_property_float_set_array(PointerRNA *ptr, PropertyRNA *prop, const float *values);
void RNA_property_float_set_index(PointerRNA *ptr, PropertyRNA *prop, int index, float value);
float RNA_property_float_get_default(PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_float_set_default(PropertyRNA *prop, float value);
void RNA_property_float_get_default_array(PointerRNA *ptr, PropertyRNA *prop, float *values);
float RNA_property_float_get_default_index(PointerRNA *ptr, PropertyRNA *prop, int index);

void RNA_property_string_get(PointerRNA *ptr, PropertyRNA *prop, char *value);
char *RNA_property_string_get_alloc(
    PointerRNA *ptr, PropertyRNA *prop, char *fixedbuf, int fixedlen, int *r_len);
void RNA_property_string_set(PointerRNA *ptr, PropertyRNA *prop, const char *value);
void RNA_property_string_set_bytes(PointerRNA *ptr, PropertyRNA *prop, const char *value, int len);

eStringPropertySearchFlag RNA_property_string_search_flag(PropertyRNA *prop);
/**
 * Search candidates for string `prop` by calling `visit_fn` with each string.
 * Typically these strings are collected in `visit_user_data` in a format defined by the caller.
 *
 * See #PropStringSearchFunc for details.
 */
void RNA_property_string_search(const struct bContext *C,
                                PointerRNA *ptr,
                                PropertyRNA *prop,
                                const char *edit_text,
                                StringPropertySearchVisitFunc visit_fn,
                                void *visit_user_data);

/**
 * \return the length without `\0` terminator.
 */
int RNA_property_string_length(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_string_get_default(PropertyRNA *prop, char *value, int value_maxncpy);
char *RNA_property_string_get_default_alloc(
    PointerRNA *ptr, PropertyRNA *prop, char *fixedbuf, int fixedlen, int *r_len);
/**
 * \return the length without `\0` terminator.
 */
int RNA_property_string_default_length(PointerRNA *ptr, PropertyRNA *prop);

int RNA_property_enum_get(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_enum_set(PointerRNA *ptr, PropertyRNA *prop, int value);
int RNA_property_enum_get_default(PointerRNA *ptr, PropertyRNA *prop);
/**
 * Get the value of the item that is \a step items away from \a from_value.
 *
 * \param from_value: Item value to start stepping from.
 * \param step: Absolute value defines step size, sign defines direction.
 * E.g to get the next item, pass 1, for the previous -1.
 */
int RNA_property_enum_step(
    const struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int from_value, int step);

PointerRNA RNA_property_pointer_get(PointerRNA *ptr, PropertyRNA *prop) ATTR_NONNULL(1, 2);
void RNA_property_pointer_set(PointerRNA *ptr,
                              PropertyRNA *prop,
                              PointerRNA ptr_value,
                              struct ReportList *reports) ATTR_NONNULL(1, 2);
PointerRNA RNA_property_pointer_get_default(PointerRNA *ptr, PropertyRNA *prop) ATTR_NONNULL(1, 2);

void RNA_property_collection_begin(PointerRNA *ptr,
                                   PropertyRNA *prop,
                                   CollectionPropertyIterator *iter);
void RNA_property_collection_next(CollectionPropertyIterator *iter);
void RNA_property_collection_skip(CollectionPropertyIterator *iter, int num);
void RNA_property_collection_end(CollectionPropertyIterator *iter);
int RNA_property_collection_length(PointerRNA *ptr, PropertyRNA *prop);
/**
 * Return true when `RNA_property_collection_length(ptr, prop) == 0`,
 * without having to iterate over items in the collection (needed for some kinds of collections).
 */
bool RNA_property_collection_is_empty(PointerRNA *ptr, PropertyRNA *prop);
int RNA_property_collection_lookup_index(PointerRNA *ptr,
                                         PropertyRNA *prop,
                                         const PointerRNA *t_ptr);
int RNA_property_collection_lookup_int(PointerRNA *ptr,
                                       PropertyRNA *prop,
                                       int key,
                                       PointerRNA *r_ptr);
int RNA_property_collection_lookup_string(PointerRNA *ptr,
                                          PropertyRNA *prop,
                                          const char *key,
                                          PointerRNA *r_ptr);
int RNA_property_collection_lookup_string_index(
    PointerRNA *ptr, PropertyRNA *prop, const char *key, PointerRNA *r_ptr, int *r_index);

bool RNA_property_collection_lookup_int_has_fn(PropertyRNA *prop);
bool RNA_property_collection_lookup_string_has_fn(PropertyRNA *prop);
bool RNA_property_collection_lookup_string_has_nameprop(PropertyRNA *prop);
/**
 * Return true when this type supports string lookups,
 * it has a lookup function or it's type has a name property.
 */
bool RNA_property_collection_lookup_string_supported(PropertyRNA *prop);

/**
 * Zero return is an assignment error.
 */
int RNA_property_collection_assign_int(PointerRNA *ptr,
                                       PropertyRNA *prop,
                                       int key,
                                       const PointerRNA *assign_ptr);
bool RNA_property_collection_type_get(PointerRNA *ptr, PropertyRNA *prop, PointerRNA *r_ptr);

/* efficient functions to set properties for arrays */
int RNA_property_collection_raw_array(PointerRNA *ptr,
                                      PropertyRNA *prop,
                                      PropertyRNA *itemprop,
                                      RawArray *array);
int RNA_property_collection_raw_get(struct ReportList *reports,
                                    PointerRNA *ptr,
                                    PropertyRNA *prop,
                                    const char *propname,
                                    void *array,
                                    RawPropertyType type,
                                    int len);
int RNA_property_collection_raw_set(struct ReportList *reports,
                                    PointerRNA *ptr,
                                    PropertyRNA *prop,
                                    const char *propname,
                                    void *array,
                                    RawPropertyType type,
                                    int len);
int RNA_raw_type_sizeof(RawPropertyType type);
RawPropertyType RNA_property_raw_type(PropertyRNA *prop);

/* to create ID property groups */
void RNA_property_pointer_add(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_pointer_remove(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_collection_add(PointerRNA *ptr, PropertyRNA *prop, PointerRNA *r_ptr);
bool RNA_property_collection_remove(PointerRNA *ptr, PropertyRNA *prop, int key);
void RNA_property_collection_clear(PointerRNA *ptr, PropertyRNA *prop);
bool RNA_property_collection_move(PointerRNA *ptr, PropertyRNA *prop, int key, int pos);

/* copy/reset */
bool RNA_property_copy(
    struct Main *bmain, PointerRNA *ptr, PointerRNA *fromptr, PropertyRNA *prop, int index);
bool RNA_property_reset(PointerRNA *ptr, PropertyRNA *prop, int index);
bool RNA_property_assign_default(PointerRNA *ptr, PropertyRNA *prop);

/* Quick name based property access
 *
 * These are just an easier way to access property values without having to
 * call RNA_struct_find_property. The names have to exist as RNA properties
 * for the type in the pointer, if they do not exist an error will be printed.
 *
 * There is no support for pointers and collections here yet, these can be
 * added when ID properties support them. */

bool RNA_boolean_get(PointerRNA *ptr, const char *name);
void RNA_boolean_set(PointerRNA *ptr, const char *name, bool value);
void RNA_boolean_get_array(PointerRNA *ptr, const char *name, bool *values);
void RNA_boolean_set_array(PointerRNA *ptr, const char *name, const bool *values);

int RNA_int_get(PointerRNA *ptr, const char *name);
void RNA_int_set(PointerRNA *ptr, const char *name, int value);
void RNA_int_get_array(PointerRNA *ptr, const char *name, int *values);
void RNA_int_set_array(PointerRNA *ptr, const char *name, const int *values);

float RNA_float_get(PointerRNA *ptr, const char *name);
void RNA_float_set(PointerRNA *ptr, const char *name, float value);
void RNA_float_get_array(PointerRNA *ptr, const char *name, float *values);
void RNA_float_set_array(PointerRNA *ptr, const char *name, const float *values);

int RNA_enum_get(PointerRNA *ptr, const char *name);
void RNA_enum_set(PointerRNA *ptr, const char *name, int value);
void RNA_enum_set_identifier(struct bContext *C,
                             PointerRNA *ptr,
                             const char *name,
                             const char *id);
bool RNA_enum_is_equal(struct bContext *C,
                       PointerRNA *ptr,
                       const char *name,
                       const char *enumname);

/* Lower level functions that don't use a PointerRNA. */
bool RNA_enum_value_from_id(const EnumPropertyItem *item, const char *identifier, int *r_value);
bool RNA_enum_id_from_value(const EnumPropertyItem *item, int value, const char **r_identifier);
bool RNA_enum_icon_from_value(const EnumPropertyItem *item, int value, int *r_icon);
bool RNA_enum_name_from_value(const EnumPropertyItem *item, int value, const char **r_name);

void RNA_string_get(PointerRNA *ptr, const char *name, char *value);
char *RNA_string_get_alloc(
    PointerRNA *ptr, const char *name, char *fixedbuf, int fixedlen, int *r_len);
int RNA_string_length(PointerRNA *ptr, const char *name);
void RNA_string_set(PointerRNA *ptr, const char *name, const char *value);

/**
 * Retrieve the named property from PointerRNA.
 */
PointerRNA RNA_pointer_get(PointerRNA *ptr, const char *name);
/* Set the property name of PointerRNA ptr to ptr_value */
void RNA_pointer_set(PointerRNA *ptr, const char *name, PointerRNA ptr_value);
void RNA_pointer_add(PointerRNA *ptr, const char *name);

void RNA_collection_begin(PointerRNA *ptr, const char *name, CollectionPropertyIterator *iter);
int RNA_collection_length(PointerRNA *ptr, const char *name);
bool RNA_collection_is_empty(PointerRNA *ptr, const char *name);
void RNA_collection_add(PointerRNA *ptr, const char *name, PointerRNA *r_value);
void RNA_collection_clear(PointerRNA *ptr, const char *name);

#define RNA_BEGIN(sptr, itemptr, propname) \
  { \
    CollectionPropertyIterator rna_macro_iter; \
    for (RNA_collection_begin(sptr, propname, &rna_macro_iter); rna_macro_iter.valid; \
         RNA_property_collection_next(&rna_macro_iter)) \
    { \
      PointerRNA itemptr = rna_macro_iter.ptr;

#define RNA_END \
  } \
  RNA_property_collection_end(&rna_macro_iter); \
  } \
  ((void)0)

#define RNA_PROP_BEGIN(sptr, itemptr, prop) \
  { \
    CollectionPropertyIterator rna_macro_iter; \
    for (RNA_property_collection_begin(sptr, prop, &rna_macro_iter); rna_macro_iter.valid; \
         RNA_property_collection_next(&rna_macro_iter)) \
    { \
      PointerRNA itemptr = rna_macro_iter.ptr;

#define RNA_PROP_END \
  } \
  RNA_property_collection_end(&rna_macro_iter); \
  } \
  ((void)0)

#define RNA_STRUCT_BEGIN(sptr, prop) \
  { \
    CollectionPropertyIterator rna_macro_iter; \
    for (RNA_property_collection_begin( \
             sptr, RNA_struct_iterator_property((sptr)->type), &rna_macro_iter); \
         rna_macro_iter.valid; \
         RNA_property_collection_next(&rna_macro_iter)) \
    { \
      PropertyRNA *prop = (PropertyRNA *)rna_macro_iter.ptr.data;

#define RNA_STRUCT_BEGIN_SKIP_RNA_TYPE(sptr, prop) \
  { \
    CollectionPropertyIterator rna_macro_iter; \
    RNA_property_collection_begin( \
        sptr, RNA_struct_iterator_property((sptr)->type), &rna_macro_iter); \
    if (rna_macro_iter.valid) { \
      RNA_property_collection_next(&rna_macro_iter); \
    } \
    for (; rna_macro_iter.valid; RNA_property_collection_next(&rna_macro_iter)) { \
      PropertyRNA *prop = (PropertyRNA *)rna_macro_iter.ptr.data;

#define RNA_STRUCT_END \
  } \
  RNA_property_collection_end(&rna_macro_iter); \
  } \
  ((void)0)

/**
 * Check if the #IDproperty exists, for operators.
 *
 * \param use_ghost: Internally an #IDProperty may exist,
 * without the RNA considering it to be "set", see #IDP_FLAG_GHOST.
 * This is used for operators, where executing an operator that has run previously
 * will re-use the last value (unless #PROP_SKIP_SAVE property is set).
 * In this case, the presence of the an existing value shouldn't prevent it being initialized
 * from the context. Even though the this value will be returned if it's requested,
 * it's not considered to be set (as it would if the menu item or key-map defined it's value).
 * Set `use_ghost` to true for default behavior, otherwise false to check if there is a value
 * exists internally and would be returned on request.
 */
bool RNA_property_is_set_ex(PointerRNA *ptr, PropertyRNA *prop, bool use_ghost);
bool RNA_property_is_set(PointerRNA *ptr, PropertyRNA *prop);
void RNA_property_unset(PointerRNA *ptr, PropertyRNA *prop);
/** See #RNA_property_is_set_ex documentation. */
bool RNA_struct_property_is_set_ex(PointerRNA *ptr, const char *identifier, bool use_ghost);
bool RNA_struct_property_is_set(PointerRNA *ptr, const char *identifier);
bool RNA_property_is_idprop(const PropertyRNA *prop);
/**
 * \note Mainly for the UI.
 */
bool RNA_property_is_unlink(PropertyRNA *prop);
void RNA_struct_property_unset(PointerRNA *ptr, const char *identifier);

/**
 * Python compatible string representation of this property, (must be freed!).
 */
char *RNA_property_as_string(
    struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index, int max_prop_length);
/**
 * String representation of a property, Python compatible but can be used for display too.
 * \param C: can be NULL.
 */
char *RNA_pointer_as_string_id(struct bContext *C, PointerRNA *ptr);
char *RNA_pointer_as_string(struct bContext *C,
                            PointerRNA *ptr,
                            PropertyRNA *prop_ptr,
                            PointerRNA *ptr_prop);
/**
 * \param C: can be NULL.
 */
char *RNA_pointer_as_string_keywords_ex(struct bContext *C,
                                        PointerRNA *ptr,
                                        bool as_function,
                                        bool all_args,
                                        bool nested_args,
                                        int max_prop_length,
                                        PropertyRNA *iterprop);
char *RNA_pointer_as_string_keywords(struct bContext *C,
                                     PointerRNA *ptr,
                                     bool as_function,
                                     bool all_args,
                                     bool nested_args,
                                     int max_prop_length);
char *RNA_function_as_string_keywords(
    struct bContext *C, FunctionRNA *func, bool as_function, bool all_args, int max_prop_length);

/* Function */

const char *RNA_function_identifier(FunctionRNA *func);
const char *RNA_function_ui_description(FunctionRNA *func);
const char *RNA_function_ui_description_raw(FunctionRNA *func);
int RNA_function_flag(FunctionRNA *func);
int RNA_function_defined(FunctionRNA *func);

PropertyRNA *RNA_function_get_parameter(PointerRNA *ptr, FunctionRNA *func, int index);
PropertyRNA *RNA_function_find_parameter(PointerRNA *ptr,
                                         FunctionRNA *func,
                                         const char *identifier);
const struct ListBase *RNA_function_defined_parameters(FunctionRNA *func);

/* Utility */

int RNA_parameter_flag(PropertyRNA *prop);

ParameterList *RNA_parameter_list_create(ParameterList *parms, PointerRNA *ptr, FunctionRNA *func);
void RNA_parameter_list_free(ParameterList *parms);
int RNA_parameter_list_size(const ParameterList *parms);
int RNA_parameter_list_arg_count(const ParameterList *parms);
int RNA_parameter_list_ret_count(const ParameterList *parms);

void RNA_parameter_list_begin(ParameterList *parms, ParameterIterator *iter);
void RNA_parameter_list_next(ParameterIterator *iter);
void RNA_parameter_list_end(ParameterIterator *iter);

void RNA_parameter_get(ParameterList *parms, PropertyRNA *parm, void **value);
void RNA_parameter_get_lookup(ParameterList *parms, const char *identifier, void **value);
void RNA_parameter_set(ParameterList *parms, PropertyRNA *parm, const void *value);
void RNA_parameter_set_lookup(ParameterList *parms, const char *identifier, const void *value);

/* Only for PROP_DYNAMIC properties! */

int RNA_parameter_dynamic_length_get(ParameterList *parms, PropertyRNA *parm);
int RNA_parameter_dynamic_length_get_data(ParameterList *parms, PropertyRNA *parm, void *data);
void RNA_parameter_dynamic_length_set(ParameterList *parms, PropertyRNA *parm, int length);
void RNA_parameter_dynamic_length_set_data(ParameterList *parms,
                                           PropertyRNA *parm,
                                           void *data,
                                           int length);

int RNA_function_call(struct bContext *C,
                      struct ReportList *reports,
                      PointerRNA *ptr,
                      FunctionRNA *func,
                      ParameterList *parms);
int RNA_function_call_lookup(struct bContext *C,
                             struct ReportList *reports,
                             PointerRNA *ptr,
                             const char *identifier,
                             ParameterList *parms);

int RNA_function_call_direct(struct bContext *C,
                             struct ReportList *reports,
                             PointerRNA *ptr,
                             FunctionRNA *func,
                             const char *format,
                             ...) ATTR_PRINTF_FORMAT(5, 6);
int RNA_function_call_direct_lookup(struct bContext *C,
                                    struct ReportList *reports,
                                    PointerRNA *ptr,
                                    const char *identifier,
                                    const char *format,
                                    ...) ATTR_PRINTF_FORMAT(5, 6);
int RNA_function_call_direct_va(struct bContext *C,
                                struct ReportList *reports,
                                PointerRNA *ptr,
                                FunctionRNA *func,
                                const char *format,
                                va_list args);
int RNA_function_call_direct_va_lookup(struct bContext *C,
                                       struct ReportList *reports,
                                       PointerRNA *ptr,
                                       const char *identifier,
                                       const char *format,
                                       va_list args);

const char *RNA_translate_ui_text(const char *text,
                                  const char *text_ctxt,
                                  struct StructRNA *type,
                                  struct PropertyRNA *prop,
                                  int translate);

/* ID */

short RNA_type_to_ID_code(const StructRNA *type);
StructRNA *ID_code_to_RNA_type(short idcode);

#define RNA_POINTER_INVALIDATE(ptr) \
  { \
    /* this is checked for validity */ \
    (ptr)->type = NULL; /* should not be needed but prevent bad pointer access, just in case */ \
    (ptr)->owner_id = NULL; \
  } \
  (void)0

/* macro which inserts the function name */
#if defined __GNUC__
#  define RNA_warning(format, args...) _RNA_warning("%s: " format "\n", __func__, ##args)
#else
#  define RNA_warning(format, ...) _RNA_warning("%s: " format "\n", __FUNCTION__, __VA_ARGS__)
#endif

/** Use to implement the #RNA_warning macro which includes `__func__` suffix. */
void _RNA_warning(const char *format, ...) ATTR_PRINTF_FORMAT(1, 2);

/* Equals test. */

/**
 * \note In practice, #EQ_STRICT and #EQ_COMPARE have same behavior currently,
 * and will yield same result.
 */
typedef enum eRNACompareMode {
  /* Only care about equality, not full comparison. */
  /** Set/unset ignored. */
  RNA_EQ_STRICT,
  /** Unset property matches anything. */
  RNA_EQ_UNSET_MATCH_ANY,
  /** Unset property never matches set property. */
  RNA_EQ_UNSET_MATCH_NONE,
  /** Full comparison. */
  RNA_EQ_COMPARE,
} eRNACompareMode;

bool RNA_property_equals(struct Main *bmain,
                         struct PointerRNA *ptr_a,
                         struct PointerRNA *ptr_b,
                         struct PropertyRNA *prop,
                         eRNACompareMode mode);
bool RNA_struct_equals(struct Main *bmain,
                       struct PointerRNA *ptr_a,
                       struct PointerRNA *ptr_b,
                       eRNACompareMode mode);

/* Override. */

/** Flags for #RNA_struct_override_matches. */
typedef enum eRNAOverrideMatch {
  /** Do not compare properties that are not overridable. */
  RNA_OVERRIDE_COMPARE_IGNORE_NON_OVERRIDABLE = 1 << 0,
  /** Do not compare properties that are already overridden. */
  RNA_OVERRIDE_COMPARE_IGNORE_OVERRIDDEN = 1 << 1,

  /** Create new property override if needed and possible. */
  RNA_OVERRIDE_COMPARE_CREATE = 1 << 16,
  /** Restore property's value(s) to reference ones, if needed and possible. */
  RNA_OVERRIDE_COMPARE_RESTORE = 1 << 17,
  /** Tag for restoration of property's value(s) to reference ones, if needed and possible. */
  RNA_OVERRIDE_COMPARE_TAG_FOR_RESTORE = 1 << 18,
} eRNAOverrideMatch;

typedef enum eRNAOverrideMatchResult {
  RNA_OVERRIDE_MATCH_RESULT_INIT = 0,

  /**
   * Some new property overrides were created to take into account
   * differences between local and reference.
   */
  RNA_OVERRIDE_MATCH_RESULT_CREATED = 1 << 0,
  /**
   * Some properties are illegally different from their reference values and have been tagged for
   * restoration.
   */
  RNA_OVERRIDE_MATCH_RESULT_RESTORE_TAGGED = 1 << 1,
  /** Some properties were reset to reference values. */
  RNA_OVERRIDE_MATCH_RESULT_RESTORED = 1 << 2,
} eRNAOverrideMatchResult;

typedef enum eRNAOverrideStatus {
  /** The property is overridable. */
  RNA_OVERRIDE_STATUS_OVERRIDABLE = 1 << 0,
  /** The property is overridden. */
  RNA_OVERRIDE_STATUS_OVERRIDDEN = 1 << 1,
  /** Overriding this property is mandatory when creating an override. */
  RNA_OVERRIDE_STATUS_MANDATORY = 1 << 2,
  /** The override status of this property is locked. */
  RNA_OVERRIDE_STATUS_LOCKED = 1 << 3,
} eRNAOverrideStatus;

/**
 * Check whether reference and local overridden data match (are the same),
 * with respect to given restrictive sets of properties.
 * If requested, will generate needed new property overrides, and/or restore values from reference.
 *
 * \param r_report_flags: If given,
 * will be set with flags matching actions taken by the function on \a ptr_local.
 *
 * \return True if _resulting_ \a ptr_local does match \a ptr_reference.
 */
bool RNA_struct_override_matches(struct Main *bmain,
                                 struct PointerRNA *ptr_local,
                                 struct PointerRNA *ptr_reference,
                                 const char *root_path,
                                 size_t root_path_len,
                                 struct IDOverrideLibrary *override,
                                 eRNAOverrideMatch flags,
                                 eRNAOverrideMatchResult *r_report_flags);

/**
 * Store needed second operands into \a storage data-block
 * for differential override operations.
 */
bool RNA_struct_override_store(struct Main *bmain,
                               struct PointerRNA *ptr_local,
                               struct PointerRNA *ptr_reference,
                               PointerRNA *ptr_storage,
                               struct IDOverrideLibrary *override);

typedef enum eRNAOverrideApplyFlag {
  RNA_OVERRIDE_APPLY_FLAG_NOP = 0,
  /**
   * Hack to work around/fix older broken overrides: Do not apply override operations affecting ID
   * pointers properties, unless the destination original value (the one being overridden) is NULL.
   */
  RNA_OVERRIDE_APPLY_FLAG_IGNORE_ID_POINTERS = 1 << 0,

  /** Do not check for liboverrides needing resync with their linked reference data. */
  RNA_OVERRIDE_APPLY_FLAG_SKIP_RESYNC_CHECK = 1 << 1,

  /** Only perform restore operations. */
  RNA_OVERRIDE_APPLY_FLAG_RESTORE_ONLY = 1 << 2,
} eRNAOverrideApplyFlag;

/**
 * Apply given \a override operations on \a ptr_dst, using \a ptr_src
 * (and \a ptr_storage for differential ops) as source.
 */
void RNA_struct_override_apply(struct Main *bmain,
                               struct PointerRNA *ptr_dst,
                               struct PointerRNA *ptr_src,
                               struct PointerRNA *ptr_storage,
                               struct IDOverrideLibrary *override,
                               eRNAOverrideApplyFlag flag);

struct IDOverrideLibraryProperty *RNA_property_override_property_find(struct Main *bmain,
                                                                      PointerRNA *ptr,
                                                                      PropertyRNA *prop,
                                                                      struct ID **r_owner_id);
struct IDOverrideLibraryProperty *RNA_property_override_property_get(struct Main *bmain,
                                                                     PointerRNA *ptr,
                                                                     PropertyRNA *prop,
                                                                     bool *r_created);

struct IDOverrideLibraryPropertyOperation *RNA_property_override_property_operation_find(
    struct Main *bmain,
    PointerRNA *ptr,
    PropertyRNA *prop,
    int index,
    bool strict,
    bool *r_strict);
struct IDOverrideLibraryPropertyOperation *RNA_property_override_property_operation_get(
    struct Main *bmain,
    PointerRNA *ptr,
    PropertyRNA *prop,
    short operation,
    int index,
    bool strict,
    bool *r_strict,
    bool *r_created);

eRNAOverrideStatus RNA_property_override_library_status(struct Main *bmainm,
                                                        PointerRNA *ptr,
                                                        PropertyRNA *prop,
                                                        int index);

void RNA_struct_state_owner_set(const char *name);
const char *RNA_struct_state_owner_get(void);

#ifdef __cplusplus
}
#endif

#endif /* __RNA_ACCESS_H__ */
