/* 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 . */ #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)); 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)); extern void _rl_revert_all_lines PARAMS((void)); /* 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 *)); /* signals.c */ extern void _rl_signal_handler PARAMS((int)); extern void _rl_block_sigint PARAMS((void)); extern void _rl_release_sigint PARAMS((void)); extern void _rl_block_sigwinch PARAMS((void)); extern void _rl_release_sigwinch PARAMS((void)); /* 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_forward_char_internal PARAMS((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)); /* undo.c */ extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *)); extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *)); /* util.c */ #if defined (USE_VARARGS) && defined (PREFER_STDARG) extern void _rl_ttymsg (const char *, ...) __attribute__((__format__ (printf, 1, 2))); extern void _rl_errmsg (const char *, ...) __attribute__((__format__ (printf, 1, 2))); extern void _rl_trace (const char *, ...) __attribute__((__format__ (printf, 1, 2))); #else extern void _rl_ttymsg (); extern void _rl_errmsg (); extern void _rl_trace (); #endif extern int _rl_tropen PARAMS((void)); extern int _rl_abort_internal PARAMS((void)); extern int _rl_null_function PARAMS((int, int)); 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)); extern int _rl_vi_domove_callback PARAMS((_rl_vimotion_cxt *)); /************************************************************************* * Undocumented private variables * *************************************************************************/ /* bind.c */ extern const char * const _rl_possible_control_prefixes[]; extern const char * const _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_completion_prefix_display_length; extern int _rl_completion_columns; extern int _rl_print_completions_horizontally; extern int _rl_completion_case_fold; extern int _rl_completion_case_map; extern int _rl_match_hidden_files; extern int _rl_page_completions; extern int _rl_skip_completed_text; extern int _rl_menu_complete_prefix_first; /* display.c */ extern int _rl_vis_botlin; extern int _rl_last_c_pos; extern int _rl_suppress_redisplay; extern int _rl_want_redisplay; /* 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_echoing_p; 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 int _rl_revert_all_at_newline; extern int _rl_echo_control_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 _rl_top_level; extern _rl_keyseq_cxt *_rl_kscxt; /* search.c */ extern _rl_search_cxt *_rl_nscxt; /* signals.c */ extern int _rl_interrupt_immediately; extern int volatile _rl_caught_signal; extern int _rl_echoctl; extern int _rl_intr_char; extern int _rl_quit_char; extern int _rl_susp_char; /* 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 char *_rl_term_forward_char; 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; extern _rl_vimotion_cxt *_rl_vimvcxt; #endif /* _RL_PRIVATE_H_ */