1 /* pcomplete.h - structure definitions and other stuff for programmable
2 		 completion. */
3 
4 /* Copyright (C) 1999-2020 Free Software Foundation, Inc.
5 
6    This file is part of GNU Bash, the Bourne Again SHell.
7 
8    Bash is free software: you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation, either version 3 of the License, or
11    (at your option) any later version.
12 
13    Bash is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
20 */
21 
22 #if !defined (_PCOMPLETE_H_)
23 #  define _PCOMPLETE_H_
24 
25 #include "stdc.h"
26 #include "hashlib.h"
27 
28 typedef struct compspec {
29   int refcount;
30   unsigned long actions;
31   unsigned long options;
32   char *globpat;
33   char *words;
34   char *prefix;
35   char *suffix;
36   char *funcname;
37   char *command;
38   char *lcommand;
39   char *filterpat;
40 } COMPSPEC;
41 
42 /* Values for COMPSPEC actions.  These are things the shell knows how to
43    build internally. */
44 #define CA_ALIAS	(1<<0)
45 #define CA_ARRAYVAR	(1<<1)
46 #define CA_BINDING	(1<<2)
47 #define CA_BUILTIN	(1<<3)
48 #define CA_COMMAND	(1<<4)
49 #define CA_DIRECTORY	(1<<5)
50 #define CA_DISABLED	(1<<6)
51 #define CA_ENABLED	(1<<7)
52 #define CA_EXPORT	(1<<8)
53 #define CA_FILE		(1<<9)
54 #define CA_FUNCTION	(1<<10)
55 #define CA_GROUP	(1<<11)
56 #define CA_HELPTOPIC	(1<<12)
57 #define CA_HOSTNAME	(1<<13)
58 #define CA_JOB		(1<<14)
59 #define CA_KEYWORD	(1<<15)
60 #define CA_RUNNING	(1<<16)
61 #define CA_SERVICE	(1<<17)
62 #define CA_SETOPT	(1<<18)
63 #define CA_SHOPT	(1<<19)
64 #define CA_SIGNAL	(1<<20)
65 #define CA_STOPPED	(1<<21)
66 #define CA_USER		(1<<22)
67 #define CA_VARIABLE	(1<<23)
68 
69 /* Values for COMPSPEC options field. */
70 #define COPT_RESERVED	(1<<0)		/* reserved for other use */
71 #define COPT_DEFAULT	(1<<1)
72 #define COPT_FILENAMES	(1<<2)
73 #define COPT_DIRNAMES	(1<<3)
74 #define COPT_NOQUOTE	(1<<4)
75 #define COPT_NOSPACE	(1<<5)
76 #define COPT_BASHDEFAULT (1<<6)
77 #define COPT_PLUSDIRS	(1<<7)
78 #define COPT_NOSORT	(1<<8)
79 
80 #define COPT_LASTUSER	COPT_NOSORT
81 
82 #define PCOMP_RETRYFAIL (COPT_LASTUSER << 1)
83 #define PCOMP_NOTFOUND	(COPT_LASTUSER << 2)
84 
85 
86 /* List of items is used by the code that implements the programmable
87    completions. */
88 typedef struct _list_of_items {
89   int flags;
90   int (*list_getter) PARAMS((struct _list_of_items *));	/* function to call to get the list */
91 
92   STRINGLIST *slist;
93 
94   /* These may or may not be used. */
95   STRINGLIST *genlist;	/* for handing to the completion code one item at a time */
96   int genindex;		/* index of item last handed to completion code */
97 
98 } ITEMLIST;
99 
100 /* Values for ITEMLIST -> flags */
101 #define LIST_DYNAMIC		0x001
102 #define LIST_DIRTY		0x002
103 #define LIST_INITIALIZED	0x004
104 #define LIST_MUSTSORT		0x008
105 #define LIST_DONTFREE		0x010
106 #define LIST_DONTFREEMEMBERS	0x020
107 
108 #define EMPTYCMD	"_EmptycmD_"
109 #define DEFAULTCMD	"_DefaultCmD_"
110 #define INITIALWORD	"_InitialWorD_"
111 
112 extern HASH_TABLE *prog_completes;
113 
114 extern char *pcomp_line;
115 extern int pcomp_ind;
116 
117 extern int prog_completion_enabled;
118 extern int progcomp_alias;
119 
120 /* Not all of these are used yet. */
121 extern ITEMLIST it_aliases;
122 extern ITEMLIST it_arrayvars;
123 extern ITEMLIST it_bindings;
124 extern ITEMLIST it_builtins;
125 extern ITEMLIST it_commands;
126 extern ITEMLIST it_directories;
127 extern ITEMLIST it_disabled;
128 extern ITEMLIST it_enabled;
129 extern ITEMLIST it_exports;
130 extern ITEMLIST it_files;
131 extern ITEMLIST it_functions;
132 extern ITEMLIST it_groups;
133 extern ITEMLIST it_helptopics;
134 extern ITEMLIST it_hostnames;
135 extern ITEMLIST it_jobs;
136 extern ITEMLIST it_keywords;
137 extern ITEMLIST it_running;
138 extern ITEMLIST it_services;
139 extern ITEMLIST it_setopts;
140 extern ITEMLIST it_shopts;
141 extern ITEMLIST it_signals;
142 extern ITEMLIST it_stopped;
143 extern ITEMLIST it_users;
144 extern ITEMLIST it_variables;
145 
146 extern COMPSPEC *pcomp_curcs;
147 extern const char *pcomp_curcmd;
148 
149 /* Functions from pcomplib.c */
150 extern COMPSPEC *compspec_create PARAMS((void));
151 extern void compspec_dispose PARAMS((COMPSPEC *));
152 extern COMPSPEC *compspec_copy PARAMS((COMPSPEC *));
153 
154 extern void progcomp_create PARAMS((void));
155 extern void progcomp_flush PARAMS((void));
156 extern void progcomp_dispose PARAMS((void));
157 
158 extern int progcomp_size PARAMS((void));
159 
160 extern int progcomp_insert PARAMS((char *, COMPSPEC *));
161 extern int progcomp_remove PARAMS((char *));
162 
163 extern COMPSPEC *progcomp_search PARAMS((const char *));
164 
165 extern void progcomp_walk PARAMS((hash_wfunc *));
166 
167 /* Functions from pcomplete.c */
168 extern void set_itemlist_dirty PARAMS((ITEMLIST *));
169 
170 extern STRINGLIST *completions_to_stringlist PARAMS((char **));
171 
172 extern STRINGLIST *gen_compspec_completions PARAMS((COMPSPEC *, const char *, const char *, int, int, int *));
173 extern char **programmable_completions PARAMS((const char *, const char *, int, int, int *));
174 
175 extern void pcomp_set_readline_variables PARAMS((int, int));
176 extern void pcomp_set_compspec_options PARAMS((COMPSPEC *, int, int));
177 #endif /* _PCOMPLETE_H_ */
178