#ifndef SIEVE_STRINGLIST_H
#define SIEVE_STRINGLIST_H

/*
 * Stringlist API
 */

struct sieve_stringlist {
	int (*next_item)(struct sieve_stringlist *strlist, string_t **str_r);
	void (*reset)(struct sieve_stringlist *strlist);
	int (*get_length)(struct sieve_stringlist *strlist);

	int (*read_all)(struct sieve_stringlist *strlist, pool_t pool,
			const char *const **list_r);

	void (*set_trace)(struct sieve_stringlist *strlist, bool trace);

	const struct sieve_runtime_env *runenv;
	int exec_status;

	bool trace:1;
};

static inline void
sieve_stringlist_set_trace(struct sieve_stringlist *strlist, bool trace)
{
	strlist->trace = trace;

	if (strlist->set_trace != NULL)
		strlist->set_trace(strlist, trace);
}

static inline int
sieve_stringlist_next_item(struct sieve_stringlist *strlist, string_t **str_r)
{
	return strlist->next_item(strlist, str_r);
}

static inline void
sieve_stringlist_reset(struct sieve_stringlist *strlist)
{
	strlist->reset(strlist);
}

int sieve_stringlist_get_length(struct sieve_stringlist *strlist);

int sieve_stringlist_read_all(struct sieve_stringlist *strlist, pool_t pool,
			      const char *const **list_r);

/*
 * Single Stringlist
 */

struct sieve_stringlist *
sieve_single_stringlist_create(const struct sieve_runtime_env *renv,
			       string_t *str, bool count_empty);
struct sieve_stringlist *
sieve_single_stringlist_create_cstr(const struct sieve_runtime_env *renv,
				    const char *cstr, bool count_empty);

/*
 * Index Stringlist
 */

struct sieve_stringlist *
sieve_index_stringlist_create(const struct sieve_runtime_env *renv,
			      struct sieve_stringlist *source, int index);

#endif
