#pragma once

typedef void exdata_free(int idx, void *ex_ptr, void *arg);

struct exdata_schema;

struct exdata_schema *exdata_schema_new();
void exdata_schema_free(struct exdata_schema *s);

int exdata_new_index(struct exdata_schema *schema, const char *name, exdata_free *free_func,void *free_arg);

int exdata_schema_get_idx_by_name(struct exdata_schema *schema, const char *name);

struct exdata_runtime;

struct exdata_runtime *exdata_handle_new(struct exdata_schema *h);
void exdata_handle_free(struct exdata_runtime *h);
void exdata_handle_reset(struct exdata_runtime *h);

int exdata_set(struct exdata_runtime *h, int idx, void *ex_ptr);
void *exdata_get(struct exdata_runtime *h, int idx);