300 lines
9.0 KiB
C
300 lines
9.0 KiB
C
/* funmap.c -- attach names to functions. */
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/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library, a library for
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reading lines of text with interactive input and history editing.
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The GNU Readline Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 1, or
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(at your option) any later version.
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The GNU Readline Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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The GNU General Public License is often shipped with GNU software, and
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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675 Mass Ave, Cambridge, MA 02139, USA. */
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#define READLINE_LIBRARY
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#if defined (STATIC_MALLOC)
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static char *xmalloc (), *xrealloc ();
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#else
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extern char *xmalloc (), *xrealloc ();
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#endif /* STATIC_MALLOC */
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#if !defined (BUFSIZ)
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#include <stdio.h>
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#endif /* BUFSIZ */
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#if defined (HAVE_STDLIB_H)
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# include <stdlib.h>
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#else
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# include "ansi_stdlib.h"
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#endif /* HAVE_STDLIB_H */
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#include "rlconf.h"
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#include "readline.h"
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static int qsort_string_compare ();
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FUNMAP **funmap = (FUNMAP **)NULL;
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static int funmap_size = 0;
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static int funmap_entry = 0;
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/* After initializing the function map, this is the index of the first
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program specific function. */
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int funmap_program_specific_entry_start;
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static FUNMAP default_funmap[] = {
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{ "abort", rl_abort },
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{ "accept-line", rl_newline },
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{ "arrow-key-prefix", rl_arrow_keys },
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{ "backward-char", rl_backward },
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{ "backward-delete-char", rl_rubout },
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{ "backward-kill-line", rl_backward_kill_line },
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{ "backward-kill-word", rl_backward_kill_word },
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{ "backward-word", rl_backward_word },
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{ "beginning-of-history", rl_beginning_of_history },
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{ "beginning-of-line", rl_beg_of_line },
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{ "call-last-kbd-macro", rl_call_last_kbd_macro },
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{ "capitalize-word", rl_capitalize_word },
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{ "clear-screen", rl_clear_screen },
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{ "complete", rl_complete },
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{ "delete-char", rl_delete },
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{ "delete-horizontal-space", rl_delete_horizontal_space },
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{ "digit-argument", rl_digit_argument },
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{ "do-lowercase-version", rl_do_lowercase_version },
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{ "downcase-word", rl_downcase_word },
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{ "dump-functions", rl_dump_functions },
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{ "emacs-editing-mode", rl_emacs_editing_mode },
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{ "end-kbd-macro", rl_end_kbd_macro },
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{ "end-of-history", rl_end_of_history },
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{ "end-of-line", rl_end_of_line },
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{ "forward-char", rl_forward },
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{ "forward-search-history", rl_forward_search_history },
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{ "forward-word", rl_forward_word },
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{ "history-search-backward", rl_history_search_backward },
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{ "history-search-forward", rl_history_search_forward },
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{ "insert-completions", rl_insert_completions },
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{ "kill-whole-line", rl_kill_full_line },
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{ "kill-line", rl_kill_line },
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{ "kill-word", rl_kill_word },
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{ "next-history", rl_get_next_history },
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{ "non-incremental-forward-search-history", rl_noninc_forward_search },
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{ "non-incremental-reverse-search-history", rl_noninc_reverse_search },
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{ "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
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{ "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
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{ "possible-completions", rl_possible_completions },
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{ "previous-history", rl_get_previous_history },
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{ "quoted-insert", rl_quoted_insert },
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{ "re-read-init-file", rl_re_read_init_file },
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{ "redraw-current-line", rl_refresh_line},
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{ "reverse-search-history", rl_reverse_search_history },
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{ "revert-line", rl_revert_line },
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{ "self-insert", rl_insert },
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{ "start-kbd-macro", rl_start_kbd_macro },
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{ "tab-insert", rl_tab_insert },
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{ "tilde-expand", rl_tilde_expand },
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{ "transpose-chars", rl_transpose_chars },
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{ "transpose-words", rl_transpose_words },
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{ "tty-status", rl_tty_status },
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{ "undo", rl_undo_command },
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{ "universal-argument", rl_universal_argument },
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{ "unix-line-discard", rl_unix_line_discard },
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{ "unix-word-rubout", rl_unix_word_rubout },
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{ "upcase-word", rl_upcase_word },
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{ "yank", rl_yank },
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{ "yank-last-arg", rl_yank_last_arg },
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{ "yank-nth-arg", rl_yank_nth_arg },
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{ "yank-pop", rl_yank_pop },
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#if defined (VI_MODE)
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{ "vi-append-eol", rl_vi_append_eol },
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{ "vi-append-mode", rl_vi_append_mode },
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{ "vi-arg-digit", rl_vi_arg_digit },
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{ "vi-bWord", rl_vi_bWord },
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{ "vi-bracktype", rl_vi_bracktype },
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{ "vi-bword", rl_vi_bword },
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{ "vi-change-case", rl_vi_change_case },
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{ "vi-change-char", rl_vi_change_char },
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{ "vi-change-to", rl_vi_change_to },
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{ "vi-char-search", rl_vi_char_search },
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{ "vi-column", rl_vi_column },
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{ "vi-comment", rl_vi_comment },
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{ "vi-complete", rl_vi_complete },
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{ "vi-delete", rl_vi_delete },
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{ "vi-delete-to", rl_vi_delete_to },
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{ "vi-eWord", rl_vi_eWord },
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{ "vi-editing-mode", rl_vi_editing_mode },
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{ "vi-end-word", rl_vi_end_word },
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{ "vi-eof-maybe", rl_vi_eof_maybe },
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{ "vi-eword", rl_vi_eword },
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{ "vi-fWord", rl_vi_fWord },
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{ "vi-first-print", rl_vi_first_print },
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{ "vi-fword", rl_vi_fword },
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{ "vi-insert-beg", rl_vi_insert_beg },
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{ "vi-insertion-mode", rl_vi_insertion_mode },
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{ "vi-match", rl_vi_match },
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{ "vi-movement-mode", rl_vi_movement_mode },
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{ "vi-next-word", rl_vi_next_word },
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{ "vi-overstrike", rl_vi_overstrike },
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{ "vi-overstrike-delete", rl_vi_overstrike_delete },
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{ "vi-prev-word", rl_vi_prev_word },
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{ "vi-put", rl_vi_put },
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{ "vi-redo", rl_vi_redo },
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{ "vi-replace", rl_vi_replace },
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{ "vi-search", rl_vi_search },
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{ "vi-search-again", rl_vi_search_again },
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{ "vi-subst", rl_vi_subst },
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{ "vi-tilde-expand", rl_vi_tilde_expand },
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{ "vi-yank-arg", rl_vi_yank_arg },
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{ "vi-yank-to", rl_vi_yank_to },
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#endif /* VI_MODE */
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{(char *)NULL, (Function *)NULL }
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};
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rl_add_funmap_entry (name, function)
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char *name;
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Function *function;
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{
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if (funmap_entry + 2 >= funmap_size)
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if (!funmap)
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funmap = (FUNMAP **)xmalloc ((funmap_size = 80) * sizeof (FUNMAP *));
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else
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funmap =
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(FUNMAP **)xrealloc (funmap, (funmap_size += 80) * sizeof (FUNMAP *));
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funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
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funmap[funmap_entry]->name = name;
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funmap[funmap_entry]->function = function;
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funmap[++funmap_entry] = (FUNMAP *)NULL;
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return funmap_entry;
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}
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static int funmap_initialized = 0;
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/* Make the funmap contain all of the default entries. */
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void
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rl_initialize_funmap ()
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{
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register int i;
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if (funmap_initialized)
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return;
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for (i = 0; default_funmap[i].name; i++)
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rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
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funmap_initialized = 1;
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funmap_program_specific_entry_start = i;
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}
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/* Produce a NULL terminated array of known function names. The array
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is sorted. The array itself is allocated, but not the strings inside.
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You should free () the array when you done, but not the pointrs. */
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char **
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rl_funmap_names ()
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{
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char **result = (char **)NULL;
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int result_size, result_index;
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result_size = result_index = 0;
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/* Make sure that the function map has been initialized. */
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rl_initialize_funmap ();
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for (result_index = 0; funmap[result_index]; result_index++)
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{
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if (result_index + 2 > result_size)
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{
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if (!result)
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result = (char **)xmalloc ((result_size = 20) * sizeof (char *));
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else
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result = (char **)
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xrealloc (result, (result_size += 20) * sizeof (char *));
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}
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result[result_index] = funmap[result_index]->name;
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result[result_index + 1] = (char *)NULL;
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}
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qsort (result, result_index, sizeof (char *), qsort_string_compare);
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return (result);
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}
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/* Stupid comparison routine for qsort () ing strings. */
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static int
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qsort_string_compare (s1, s2)
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register char **s1, **s2;
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{
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int r;
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r = **s1 - **s2;
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if (r == 0)
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r = strcmp (*s1, *s2);
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return r;
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}
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/* Things that mean `Control'. */
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char *possible_control_prefixes[] = {
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"Control-", "C-", "CTRL-", (char *)NULL
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};
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char *possible_meta_prefixes[] = {
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"Meta", "M-", (char *)NULL
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};
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#if defined (STATIC_MALLOC)
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/* **************************************************************** */
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/* */
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/* xmalloc and xrealloc () */
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/* */
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/* **************************************************************** */
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static void memory_error_and_abort ();
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static char *
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xmalloc (bytes)
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int bytes;
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{
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char *temp = (char *)malloc (bytes);
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if (!temp)
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memory_error_and_abort ();
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return (temp);
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}
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static char *
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xrealloc (pointer, bytes)
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char *pointer;
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int bytes;
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{
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char *temp;
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if (!pointer)
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temp = (char *)malloc (bytes);
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else
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temp = (char *)realloc (pointer, bytes);
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if (!temp)
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memory_error_and_abort ();
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return (temp);
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}
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static void
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memory_error_and_abort ()
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{
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fprintf (stderr, "history: Out of virtual memory!\n");
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abort ();
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}
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#endif /* STATIC_MALLOC */
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