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/* GNU gettext - internationalization aids
Copyright (C) 1995-1996, 1998, 2000-2004, 2009, 2015-2016 Free Software
Foundation, Inc.
This file was written by Peter Miller <millerp@canb.auug.org.au>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _STR_LIST_H
#define _STR_LIST_H 1
/* Get size_t and NULL. */
#include <stddef.h>
/* Get bool. */
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Type describing list of immutable strings,
implemented using a dynamic array. */
typedef struct string_list_ty string_list_ty;
struct string_list_ty
{
const char **item;
size_t nitems;
size_t nitems_max;
};
/* Initialize an empty list of strings. */
extern void string_list_init (string_list_ty *slp);
/* Return a fresh, empty list of strings. */
extern string_list_ty *string_list_alloc (void);
/* Append a single string to the end of a list of strings. */
extern void string_list_append (string_list_ty *slp, const char *s);
/* Append a single string to the end of a list of strings, unless it is
already contained in the list. */
extern void string_list_append_unique (string_list_ty *slp, const char *s);
/* Destroy a list of strings. */
extern void string_list_destroy (string_list_ty *slp);
/* Free a list of strings. */
extern void string_list_free (string_list_ty *slp);
/* Return a freshly allocated string obtained by concatenating all the
strings in the list. */
extern char *string_list_concat (const string_list_ty *slp);
/* Return a freshly allocated string obtained by concatenating all the
strings in the list, and destroy the list. */
extern char *string_list_concat_destroy (string_list_ty *slp);
/* Return a freshly allocated string obtained by concatenating all the
strings in the list, separated by the separator string, terminated
by the terminator character. The terminator character is not added if
drop_redundant_terminator is true and the last string already ends with
the terminator. */
extern char *string_list_join (const string_list_ty *slp, const char *separator,
char terminator, bool drop_redundant_terminator);
/* Return 1 if s is contained in the list of strings, 0 otherwise. */
extern bool string_list_member (const string_list_ty *slp, const char *s);
#ifdef __cplusplus
}
#endif
#endif /* _STR_LIST_H */
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