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#ifndef _EXPR_OPS_H_
#define _EXPR_OPS_H_
#include "internal.h"
#include <stdlib.h>
#include <stdint.h>
struct nlattr;
struct nlmsghdr;
struct nft_rule_expr;
#ifndef XML_PARSING
#define mxml_node_t void
#endif
#ifndef JSON_PARSING
#define json_t void
#endif
struct expr_ops {
struct list_head head;
const char *name;
size_t alloc_len;
int max_attr;
int (*set)(struct nft_rule_expr *e, uint16_t type, const void *data, size_t data_len);
const void *(*get)(const struct nft_rule_expr *e, uint16_t type, size_t *data_len);
int (*parse)(struct nft_rule_expr *e, struct nlattr *attr);
void (*build)(struct nlmsghdr *nlh, struct nft_rule_expr *e);
int (*snprintf)(char *buf, size_t len, uint32_t type, uint32_t flags, struct nft_rule_expr *e);
int (*xml_parse)(struct nft_rule_expr *e, mxml_node_t *tree);
int (*json_parse)(struct nft_rule_expr *e, json_t *data);
};
void nft_expr_ops_register(struct expr_ops *ops);
struct expr_ops *nft_expr_ops_lookup(const char *name);
#define nft_expr_data(ops) (void *)ops->data
#endif
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