File: pcomplete.h

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/* pcomplete.h - structure definitions and other stuff for programmable
		 completion. */

/* Copyright (C) 1999 Free Software Foundation, Inc.

   This file is part of GNU Bash, the Bourne Again SHell.

   Bash 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 2, or (at your option) any later
   version.

   Bash 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 Bash; see the file COPYING.  If not, write to the Free Software
   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */

#if !defined (_PCOMPLETE_H_)
#  define _PCOMPLETE_H_

#include "stdc.h"
#include "hashlib.h"

typedef struct compspec {
  int refcount;
  unsigned long actions;
  unsigned long options;
  char *globpat;
  char *words;
  char *prefix;
  char *suffix;
  char *funcname;
  char *command;
  char *filterpat;
} COMPSPEC;

/* Values for COMPSPEC actions.  These are things the shell knows how to
   build internally. */
#define CA_ALIAS	(1<<0)
#define CA_ARRAYVAR	(1<<1)
#define CA_BINDING	(1<<2)
#define CA_BUILTIN	(1<<3)
#define CA_COMMAND	(1<<4)
#define CA_DIRECTORY	(1<<5)
#define CA_DISABLED	(1<<6)
#define CA_ENABLED	(1<<7)
#define CA_EXPORT	(1<<8)
#define CA_FILE		(1<<9)
#define CA_FUNCTION	(1<<10)
#define CA_GROUP	(1<<11)
#define CA_HELPTOPIC	(1<<12)
#define CA_HOSTNAME	(1<<13)
#define CA_JOB		(1<<14)
#define CA_KEYWORD	(1<<15)
#define CA_RUNNING	(1<<16)
#define CA_SETOPT	(1<<17)
#define CA_SHOPT	(1<<18)
#define CA_SIGNAL	(1<<19)
#define CA_STOPPED	(1<<20)
#define CA_USER		(1<<21)
#define CA_VARIABLE	(1<<22)

/* Values for COMPSPEC options field. */
#define COPT_RESERVED	(1<<0)		/* reserved for other use */
#define COPT_DEFAULT	(1<<1)
#define COPT_FILENAMES	(1<<2)
#define COPT_DIRNAMES	(1<<3)

/* List of items is used by the code that implements the programmable
   completions. */
typedef struct _list_of_items {
  int flags;
  int (*list_getter) __P((struct _list_of_items *));	/* function to call to get the list */

  STRINGLIST *slist;

  /* These may or may not be used. */
  STRINGLIST *genlist;	/* for handing to the completion code one item at a time */
  int genindex;		/* index of item last handed to completion code */

} ITEMLIST;

/* Values for ITEMLIST -> flags */
#define LIST_DYNAMIC		0x001
#define LIST_DIRTY		0x002
#define LIST_INITIALIZED	0x004
#define LIST_MUSTSORT		0x008
#define LIST_DONTFREE		0x010
#define LIST_DONTFREEMEMBERS	0x020

extern HASH_TABLE *prog_completes;
extern int prog_completion_enabled;

/* Not all of these are used yet. */
extern ITEMLIST it_aliases;
extern ITEMLIST it_arrayvars;
extern ITEMLIST it_bindings;
extern ITEMLIST it_builtins;
extern ITEMLIST it_commands;
extern ITEMLIST it_directories;
extern ITEMLIST it_disabled;
extern ITEMLIST it_enabled;
extern ITEMLIST it_exports;
extern ITEMLIST it_files;
extern ITEMLIST it_functions;
extern ITEMLIST it_groups;
extern ITEMLIST it_hostnames;
extern ITEMLIST it_jobs;
extern ITEMLIST it_keywords;
extern ITEMLIST it_running;
extern ITEMLIST it_setopts;
extern ITEMLIST it_shopts;
extern ITEMLIST it_signals;
extern ITEMLIST it_stopped;
extern ITEMLIST it_users;
extern ITEMLIST it_variables;

/* Functions from pcomplib.c */
typedef void sh_csprint_func_t __P((char *, COMPSPEC *));

extern COMPSPEC *alloc_compspec __P((void));
extern void free_compspec __P((COMPSPEC *));

extern COMPSPEC *copy_compspec __P((COMPSPEC *));

extern void initialize_progcomp __P((void));
extern void clear_progcomps __P((void));

extern int remove_progcomp __P((char *));
extern int add_progcomp __P((char *, COMPSPEC *));

extern int num_progcomps __P((void));

extern COMPSPEC *find_compspec __P((const char *));

extern void print_all_compspecs __P((sh_csprint_func_t *));

/* Functions from pcomplete.c */
extern void set_itemlist_dirty __P((ITEMLIST *));

extern STRINGLIST *completions_to_stringlist __P((char **));

extern STRINGLIST *gen_compspec_completions __P((COMPSPEC *, const char *, const char *, int, int));
extern char **programmable_completions __P((const char *, const char *, int, int, int *));

#endif /* _PCOMPLETE_H_ */