1996-12-23 17:02:34 +00:00
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/* array.h -- definitions for the interface exported by array.c that allows
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the rest of the shell to manipulate array variables. */
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2000-03-17 21:46:59 +00:00
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/* Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with Bash; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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1996-12-23 17:02:34 +00:00
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#ifndef _ARRAY_H_
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#define _ARRAY_H_
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#include "stdc.h"
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typedef int arrayind_t;
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enum atype {array_indexed, array_assoc};
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typedef struct array {
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enum atype type;
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arrayind_t max_index, num_elements, max_size;
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struct array_element *head;
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} ARRAY;
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typedef struct array_element {
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arrayind_t ind;
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char *value;
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struct array_element *next, *prev;
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} ARRAY_ELEMENT;
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char *array_reference __P((ARRAY *, arrayind_t));
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extern int array_add_element __P((ARRAY *, arrayind_t, char *));
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extern ARRAY_ELEMENT *array_delete_element __P((ARRAY *, arrayind_t));
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extern ARRAY_ELEMENT *new_array_element __P((arrayind_t, char *));
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extern void destroy_array_element __P((ARRAY_ELEMENT *));
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extern ARRAY *new_array __P((void));
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extern void empty_array __P((ARRAY *));
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extern void dispose_array __P((ARRAY *));
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extern ARRAY *dup_array __P((ARRAY *));
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extern ARRAY *dup_array_subrange __P((ARRAY *, ARRAY_ELEMENT *, ARRAY_ELEMENT *));
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extern ARRAY_ELEMENT *new_array_element __P((arrayind_t, char *));
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extern ARRAY_ELEMENT *copy_array_element __P((ARRAY_ELEMENT *));
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extern WORD_LIST *array_to_word_list __P((ARRAY *));
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extern ARRAY *word_list_to_array __P((WORD_LIST *));
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extern ARRAY *assign_word_list __P((ARRAY *, WORD_LIST *));
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2000-03-17 21:46:59 +00:00
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extern char **array_to_argv __P((ARRAY *));
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1996-12-23 17:02:34 +00:00
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extern char *array_to_assignment_string __P((ARRAY *));
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extern char *quoted_array_assignment_string __P((ARRAY *));
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extern char *array_to_string __P((ARRAY *, char *, int));
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extern ARRAY *string_to_array __P((char *, char *));
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extern char *array_subrange __P((ARRAY *, int, int, int));
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extern char *array_pat_subst __P((ARRAY *, char *, char *, int));
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extern ARRAY *array_quote __P((ARRAY *));
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#define array_num_elements(a) ((a)->num_elements)
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#define array_max_index(a) ((a)->max_index)
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#define array_head(a) ((a)->head)
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#define array_empty(a) ((a)->num_elements == 0)
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#define element_value(ae) ((ae)->value)
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#define element_index(ae) ((ae)->ind)
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#define element_forw(ae) ((ae)->next)
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#define element_back(ae) ((ae)->prev)
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#define ALL_ELEMENT_SUB(c) ((c) == '@' || (c) == '*')
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#endif /* _ARRAY_H_ */
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