rlprivate.h

android-w.song.android.widget

/* rlprivate.h -- functions and variables global to the readline library,
		  but not intended for use by applications. */

/* Copyright (C) 1999-2010 Free Software Foundation, Inc.

   This file is part of the GNU Readline Library (Readline), a library
   for reading lines of text with interactive input and history editing.      

   Readline 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 3 of the License, or
   (at your option) any later version.

   Readline 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 Readline.  If not, see <http://www.gnu.org/licenses/>.
*/

#if !defined (_RL_PRIVATE_H_)
#define _RL_PRIVATE_H_

#include "rlconf.h"	/* for VISIBLE_STATS */
#include "rlstdc.h"
#include "posixjmp.h"	/* defines procenv_t */

/*************************************************************************
 *									 *
 * Convenience definitions						 *
 *									 *
 *************************************************************************/

#define EMACS_MODE()		(rl_editing_mode == emacs_mode)
#define VI_COMMAND_MODE()	(rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
#define VI_INSERT_MODE()	(rl_editing_mode == vi_mode && _rl_keymap == vi_insertion_keymap)

#define RL_CHECK_SIGNALS() \
	do { \
	  if (_rl_caught_signal) _rl_signal_handler (_rl_caught_signal); \
	} while (0)

/*************************************************************************
 *									 *
 * Global structs undocumented in texinfo manual and not in readline.h   *
 *									 *
 *************************************************************************/
/* search types */
#define RL_SEARCH_ISEARCH	0x01		/* incremental search */
#define RL_SEARCH_NSEARCH	0x02		/* non-incremental search */
#define RL_SEARCH_CSEARCH	0x04		/* intra-line char search */

/* search flags */
#define SF_REVERSE		0x01
#define SF_FOUND		0x02
#define SF_FAILED		0x04
#define SF_CHGKMAP		0x08

typedef struct  __rl_search_context
{
  int type;
  int sflags;

  char *search_string;
  int search_string_index;
  int search_string_size;

  char **lines;
  char *allocated_line;    
  int hlen;
  int hindex;

  int save_point;
  int save_mark;
  int save_line;
  int last_found_line;
  char *prev_line_found;

  UNDO_LIST *save_undo_list;

  Keymap keymap;	/* used when dispatching commands in search string */
  Keymap okeymap;	/* original keymap */

  int history_pos;
  int direction;

  int lastc;
#if defined (HANDLE_MULTIBYTE)
  char mb[MB_LEN_MAX];
#endif

  char *sline;
  int sline_len;
  int sline_index;

  char  *search_terminators;
} _rl_search_cxt;

/* Callback data for reading numeric arguments */
#define NUM_SAWMINUS	0x01
#define NUM_SAWDIGITS	0x02
#define NUM_READONE	0x04

typedef int _rl_arg_cxt;

/* A context for reading key sequences longer than a single character when
   using the callback interface. */
#define KSEQ_DISPATCHED	0x01
#define KSEQ_SUBSEQ	0x02
#define KSEQ_RECURSIVE	0x04

typedef struct __rl_keyseq_context
{
  int flags;
  int subseq_arg;
  int subseq_retval;		/* XXX */
  Keymap dmap;

  Keymap oldmap;
  int okey;
  struct __rl_keyseq_context *ocxt;
  int childval;
} _rl_keyseq_cxt;

/* vi-mode commands that use result of motion command to define boundaries */
#define VIM_DELETE	0x01
#define VIM_CHANGE	0x02
#define VIM_YANK	0x04

/* various states for vi-mode commands that use motion commands.  reflects
   RL_READLINE_STATE */
#define VMSTATE_READ	0x01
#define VMSTATE_NUMARG	0x02

typedef struct __rl_vimotion_context
{
  int op;
  int state;
  int flags;		/* reserved */
  _rl_arg_cxt ncxt;
  int numeric_arg;
  int start, end;	/* rl_point, rl_end */
  int key, motion;	/* initial key, motion command */
} _rl_vimotion_cxt;

/* fill in more as needed */
/* `Generic' callback data and functions */
typedef struct __rl_callback_generic_arg 
{
  int count;
  int i1, i2;
  /* add here as needed */
} _rl_callback_generic_arg;

typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));

/*************************************************************************
 *									 *
 * Global functions undocumented in texinfo manual and not in readline.h *
 *									 *
 *************************************************************************/

/*************************************************************************
 *									 *
 * Global variables undocumented in texinfo manual and not in readline.h *
 *									 *
 *************************************************************************/

/* complete.c */
extern int rl_complete_with_tilde_expansion;
#if defined (VISIBLE_STATS)
extern int rl_visible_stats;
#endif /* VISIBLE_STATS */

/* readline.c */
extern int rl_line_buffer_len;
extern int rl_arg_sign;
extern int rl_visible_prompt_length;
extern int rl_key_sequence_length;
extern int rl_byte_oriented;

/* display.c */
extern int rl_display_fixed;

/* parens.c */
extern int rl_blink_matching_paren;

/*************************************************************************
 *									 *
 * Global functions and variables unsed and undocumented		 *
 *									 *
 *************************************************************************/

/* kill.c */
extern int rl_set_retained_kills PARAMS((int));

/* terminal.c */
extern void _rl_set_screen_size PARAMS((int, int));

/* undo.c */
extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));

/* util.c */
extern char *_rl_savestring PARAMS((const char *));

/*************************************************************************
 *									 *
 * Functions and variables private to the readline library		 *
 *									 *
 *************************************************************************/

/* NOTE: Functions and variables prefixed with `_rl_' are
   pseudo-global: they are global so they can be shared
   between files in the readline library, but are not intended
   to be visible to readline callers. */

/*************************************************************************
 * Undocumented private functions					 *
 *************************************************************************/

#if defined(READLINE_CALLBACKS)

/* readline.c */
extern void readline_internal_setup PARAMS((void));
extern char *readline_internal_teardown PARAMS((int));
extern int readline_internal_char PARAMS((void));

extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
extern void _rl_keyseq_chain_dispose PARAMS((void));

extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
     
/* callback.c */
extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));

#endif /* READLINE_CALLBACKS */

/* bind.c */

/* complete.c */
extern void _rl_reset_completion_state PARAMS((void));
extern char _rl_find_completion_word PARAMS((int *, int *));
extern void _rl_free_match_list PARAMS((char **));

/* display.c */
extern char *_rl_strip_prompt PARAMS((char *));
extern void _rl_move_cursor_relative PARAMS((int, const char *));
extern void _rl_move_vert PARAMS((int));
extern void _rl_save_prompt PARAMS((void));
extern void _rl_restore_prompt PARAMS((void));