1 /* pcomplib.c - library functions for programmable completion. */
3 /* Copyright (C) 1999-2002 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License along
18 with Bash; see the file COPYING. If not, write to the Free Software
19 Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
23 #if defined (PROGRAMMABLE_COMPLETION)
28 #if defined (HAVE_UNISTD_H)
30 # include <sys/types.h>
36 #include "pcomplete.h"
38 #define COMPLETE_HASH_BUCKETS 32 /* must be power of two */
40 #define STRDUP(x) ((x) ? savestring (x) : (char *)NULL)
42 HASH_TABLE *prog_completes = (HASH_TABLE *)NULL;
44 static void free_progcomp __P((PTR_T));
51 ret = (COMPSPEC *)xmalloc (sizeof (COMPSPEC));
54 ret->actions = (unsigned long)0;
55 ret->options = (unsigned long)0;
57 ret->globpat = (char *)NULL;
58 ret->words = (char *)NULL;
59 ret->prefix = (char *)NULL;
60 ret->suffix = (char *)NULL;
61 ret->funcname = (char *)NULL;
62 ret->command = (char *)NULL;
63 ret->filterpat = (char *)NULL;
73 if (cs->refcount == 0)
93 new = (COMPSPEC *)xmalloc (sizeof (COMPSPEC));
95 new->refcount = cs->refcount;
96 new->actions = cs->actions;
97 new->options = cs->options;
99 new->globpat = STRDUP (cs->globpat);
100 new->words = STRDUP (cs->words);
101 new->prefix = STRDUP (cs->prefix);
102 new->suffix = STRDUP (cs->suffix);
103 new->funcname = STRDUP (cs->funcname);
104 new->command = STRDUP (cs->command);
105 new->filterpat = STRDUP (cs->filterpat);
113 if (prog_completes == 0)
114 prog_completes = hash_create (COMPLETE_HASH_BUCKETS);
120 return (HASH_ENTRIES (prog_completes));
129 cs = (COMPSPEC *)data;
130 compspec_dispose (cs);
137 hash_flush (prog_completes, free_progcomp);
144 hash_dispose (prog_completes);
145 prog_completes = (HASH_TABLE *)NULL;
149 progcomp_remove (cmd)
152 register BUCKET_CONTENTS *item;
154 if (prog_completes == 0)
157 item = hash_remove (cmd, prog_completes, 0);
161 free_progcomp (item->data);
170 progcomp_insert (cmd, cs)
174 register BUCKET_CONTENTS *item;
177 programming_error ("progcomp_insert: %s: NULL COMPSPEC", cmd);
179 if (prog_completes == 0)
182 item = hash_insert (cmd, prog_completes, 0);
184 free_progcomp (item->data);
186 item->key = savestring (cmd);
193 progcomp_search (cmd)
196 register BUCKET_CONTENTS *item;
199 if (prog_completes == 0)
200 return ((COMPSPEC *)NULL);
202 item = hash_search (cmd, prog_completes, 0);
205 return ((COMPSPEC *)NULL);
207 cs = (COMPSPEC *)item->data;
213 progcomp_walk (pfunc)
216 if (prog_completes == 0 || pfunc == 0 || HASH_ENTRIES (prog_completes) == 0)
219 hash_walk (prog_completes, pfunc);
222 #endif /* PROGRAMMABLE_COMPLETION */