1 /* array.h -- definitions for the interface exported by array.c that allows
2 the rest of the shell to manipulate array variables. */
4 /* Copyright (C) 1997 Free Software Foundation, Inc.
6 This file is part of GNU Bash, the Bourne Again SHell.
8 Bash is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with Bash; see the file COPYING. If not, write to the Free Software
20 Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
27 typedef int arrayind_t;
29 enum atype {array_indexed, array_assoc};
31 typedef struct array {
33 arrayind_t max_index, num_elements, max_size;
34 struct array_element *head;
37 typedef struct array_element {
40 struct array_element *next, *prev;
43 char *array_reference __P((ARRAY *, arrayind_t));
45 extern int array_add_element __P((ARRAY *, arrayind_t, char *));
46 extern ARRAY_ELEMENT *array_delete_element __P((ARRAY *, arrayind_t));
48 extern ARRAY_ELEMENT *new_array_element __P((arrayind_t, char *));
49 extern void destroy_array_element __P((ARRAY_ELEMENT *));
51 extern ARRAY *new_array __P((void));
52 extern void empty_array __P((ARRAY *));
53 extern void dispose_array __P((ARRAY *));
54 extern ARRAY *dup_array __P((ARRAY *));
55 extern ARRAY *dup_array_subrange __P((ARRAY *, ARRAY_ELEMENT *, ARRAY_ELEMENT *));
56 extern ARRAY_ELEMENT *new_array_element __P((arrayind_t, char *));
57 extern ARRAY_ELEMENT *copy_array_element __P((ARRAY_ELEMENT *));
59 extern WORD_LIST *array_to_word_list __P((ARRAY *));
60 extern ARRAY *word_list_to_array __P((WORD_LIST *));
61 extern ARRAY *assign_word_list __P((ARRAY *, WORD_LIST *));
63 extern char **array_to_argv __P((ARRAY *));
65 extern char *array_to_assignment_string __P((ARRAY *));
66 extern char *quoted_array_assignment_string __P((ARRAY *));
67 extern char *array_to_string __P((ARRAY *, char *, int));
68 extern ARRAY *string_to_array __P((char *, char *));
70 extern char *array_subrange __P((ARRAY *, int, int, int));
71 extern char *array_pat_subst __P((ARRAY *, char *, char *, int));
73 extern ARRAY *array_quote __P((ARRAY *));
75 #define array_num_elements(a) ((a)->num_elements)
76 #define array_max_index(a) ((a)->max_index)
77 #define array_head(a) ((a)->head)
78 #define array_empty(a) ((a)->num_elements == 0)
80 #define element_value(ae) ((ae)->value)
81 #define element_index(ae) ((ae)->ind)
82 #define element_forw(ae) ((ae)->next)
83 #define element_back(ae) ((ae)->prev)
85 #define ALL_ELEMENT_SUB(c) ((c) == '@' || (c) == '*')
87 #endif /* _ARRAY_H_ */