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/* rlprivate.h -- functions and variables global to the readline library,

                  but not intended for use by applications. */

/* Copyright (C) 1999-2005 Free Software Foundation, Inc.

   This file is part of the GNU Readline Library, a library for

   reading lines of text with interactive input and history editing.

   The GNU Readline Library 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.

   The GNU Readline Library 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.

   The GNU General Public License is often shipped with GNU software, and

   is generally kept in a file called COPYING or LICENSE.  If you do not

   have a copy of the license, write to the Free Software Foundation,

   59 Temple Place, Suite 330, Boston, MA 02111 USA. */

#if !defined (_RL_PRIVATE_H_)

#define _RL_PRIVATE_H_

#include "rlconf.h"     /* for VISIBLE_STATS */

#include "rlstdc.h"

#include "posixjmp.h"   /* defines procenv_t */

/*************************************************************************

 *                                                                       *

 * 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

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;

  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;

  /* 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 readline_echoing_p;

extern int rl_key_sequence_length;

extern int rl_byte_oriented;

extern _rl_keyseq_cxt *_rl_kscxt;

/* 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 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));

extern char *_rl_make_prompt_for_search PARAMS((int));

extern void _rl_erase_at_end_of_line PARAMS((int));

extern void _rl_clear_to_eol PARAMS((int));

extern void _rl_clear_screen PARAMS((void));

extern void _rl_update_final PARAMS((void));

extern void _rl_redisplay_after_sigwinch PARAMS((void));

extern void _rl_clean_up_for_exit PARAMS((void));

extern void _rl_erase_entire_line PARAMS((void));

extern int _rl_current_display_line PARAMS((void));

/* input.c */

extern int _rl_any_typein PARAMS((void));

extern int _rl_input_available PARAMS((void));

extern int _rl_input_queued PARAMS((int));

extern void _rl_insert_typein PARAMS((int));

extern int _rl_unget_char PARAMS((int));

extern int _rl_pushed_input_available PARAMS((void));

/* isearch.c */

extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));

extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));

extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));

extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));

extern int _rl_search_getchar PARAMS((_rl_search_cxt *));

/* macro.c */

extern void _rl_with_macro_input PARAMS((char *));

extern int _rl_next_macro_key PARAMS((void));

extern void _rl_push_executing_macro PARAMS((void));

extern void _rl_pop_executing_macro PARAMS((void));

extern void _rl_add_macro_char PARAMS((int));

extern void _rl_kill_kbd_macro PARAMS((void));

/* misc.c */

extern int _rl_arg_overflow PARAMS((void));

extern void _rl_arg_init PARAMS((void));

extern int _rl_arg_getchar PARAMS((void));

extern int _rl_arg_callback PARAMS((_rl_arg_cxt));

extern void _rl_reset_argument PARAMS((void));

extern void _rl_start_using_history PARAMS((void));

extern int _rl_free_saved_history_line PARAMS((void));

extern void _rl_set_insert_mode PARAMS((int, int));

/* nls.c */

extern int _rl_init_eightbit PARAMS((void));

/* parens.c */

extern void _rl_enable_paren_matching PARAMS((int));

/* readline.c */

extern void _rl_init_line_state PARAMS((void));

extern void _rl_set_the_line PARAMS((void));

extern int _rl_dispatch PARAMS((int, Keymap));

extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));

extern void _rl_internal_char_cleanup PARAMS((void));

/* rltty.c */

extern int _rl_disable_tty_signals PARAMS((void));

extern int _rl_restore_tty_signals PARAMS((void));

/* search.c */

extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));

/* terminal.c */

extern void _rl_get_screen_size PARAMS((int, int));

extern int _rl_init_terminal_io PARAMS((const char *));

#ifdef _MINIX

extern void _rl_output_character_function PARAMS((int));

#else

extern int _rl_output_character_function PARAMS((int));

#endif

extern void _rl_output_some_chars PARAMS((const char *, int));

extern int _rl_backspace PARAMS((int));

extern void _rl_enable_meta_key PARAMS((void));

extern void _rl_control_keypad PARAMS((int));

extern void _rl_set_cursor PARAMS((int, int));

/* text.c */

extern void _rl_fix_point PARAMS((int));

extern int _rl_replace_text PARAMS((const char *, int, int));

extern int _rl_insert_char PARAMS((int, int));

extern int _rl_overwrite_char PARAMS((int, int));

extern int _rl_overwrite_rubout PARAMS((int, int));

extern int _rl_rubout_char PARAMS((int, int));

#if defined (HANDLE_MULTIBYTE)

extern int _rl_char_search_internal PARAMS((int, int, char *, int));

#else

extern int _rl_char_search_internal PARAMS((int, int, int));

#endif

extern int _rl_set_mark_at_pos PARAMS((int));

/* util.c */

extern int _rl_abort_internal PARAMS((void));

extern char *_rl_strindex PARAMS((const char *, const char *));

extern int _rl_qsort_string_compare PARAMS((char **, char **));

extern int (_rl_uppercase_p) PARAMS((int));

extern int (_rl_lowercase_p) PARAMS((int));

extern int (_rl_pure_alphabetic) PARAMS((int));

extern int (_rl_digit_p) PARAMS((int));

extern int (_rl_to_lower) PARAMS((int));

extern int (_rl_to_upper) PARAMS((int));

extern int (_rl_digit_value) PARAMS((int));

/* vi_mode.c */

extern void _rl_vi_initialize_line PARAMS((void));

extern void _rl_vi_reset_last PARAMS((void));

extern void _rl_vi_set_last PARAMS((int, int, int));

extern int _rl_vi_textmod_command PARAMS((int));

extern void _rl_vi_done_inserting PARAMS((void));

/*************************************************************************

 * Undocumented private variables                                        *

 *************************************************************************/

/* bind.c */

extern const char *_rl_possible_control_prefixes[];

extern const char *_rl_possible_meta_prefixes[];

/* callback.c */

extern _rl_callback_func_t *_rl_callback_func;

extern _rl_callback_generic_arg *_rl_callback_data;

/* complete.c */

extern int _rl_complete_show_all;

extern int _rl_complete_show_unmodified;

extern int _rl_complete_mark_directories;

extern int _rl_complete_mark_symlink_dirs;

extern int _rl_print_completions_horizontally;

extern int _rl_completion_case_fold;

extern int _rl_match_hidden_files;

extern int _rl_page_completions;

/* display.c */

extern int _rl_vis_botlin;

extern int _rl_last_c_pos;

extern int _rl_suppress_redisplay;

extern int _rl_want_redisplay;

extern char *rl_display_prompt;

/* isearch.c */

extern char *_rl_isearch_terminators;

extern _rl_search_cxt *_rl_iscxt;

/* macro.c */

extern char *_rl_executing_macro;

/* misc.c */

extern int _rl_history_preserve_point;

extern int _rl_history_saved_point;

extern _rl_arg_cxt _rl_argcxt;

/* readline.c */

extern int _rl_horizontal_scroll_mode;

extern int _rl_mark_modified_lines;

extern int _rl_bell_preference;

extern int _rl_meta_flag;

extern int _rl_convert_meta_chars_to_ascii;

extern int _rl_output_meta_chars;

extern int _rl_bind_stty_chars;

extern char *_rl_comment_begin;

extern unsigned char _rl_parsing_conditionalized_out;

extern Keymap _rl_keymap;

extern FILE *_rl_in_stream;

extern FILE *_rl_out_stream;

extern int _rl_last_command_was_kill;

extern int _rl_eof_char;

extern procenv_t readline_top_level;

/* search.c */

extern _rl_search_cxt *_rl_nscxt;

/* terminal.c */

extern int _rl_enable_keypad;

extern int _rl_enable_meta;

extern char *_rl_term_clreol;

extern char *_rl_term_clrpag;

extern char *_rl_term_im;

extern char *_rl_term_ic;

extern char *_rl_term_ei;

extern char *_rl_term_DC;

extern char *_rl_term_up;

extern char *_rl_term_dc;

extern char *_rl_term_cr;

extern char *_rl_term_IC;

extern int _rl_screenheight;

extern int _rl_screenwidth;

extern int _rl_screenchars;

extern int _rl_terminal_can_insert;

extern int _rl_term_autowrap;

/* undo.c */

extern int _rl_doing_an_undo;

extern int _rl_undo_group_level;

/* vi_mode.c */

extern int _rl_vi_last_command;

#endif /* _RL_PRIVATE_H_ */