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-rw-r--r--readline/search.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/readline/search.c b/readline/search.c
deleted file mode 100644
index ea98c6f..0000000
--- a/readline/search.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/* search.c - code for non-incremental searching in emacs and vi modes. */
-
-/* Copyright (C) 1992 Free Software Foundation, Inc.
-
- This file is part of the Readline Library (the Library), a set of
- routines for providing Emacs style line input to programs that ask
- for it.
-
- The 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 1, or (at your option)
- any later version.
-
- The 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,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <stdio.h>
-
-#if defined (__GNUC__)
-# define alloca __builtin_alloca
-#else
-# if defined (sparc) || defined (HAVE_ALLOCA_H)
-# include <alloca.h>
-# endif
-#endif
-
-#include "readline.h"
-#include "history.h"
-
-extern char *xmalloc (), *xrealloc ();
-
-/* Variables imported from readline.c */
-extern int rl_point, rl_end, rl_line_buffer_len;
-extern Keymap _rl_keymap;
-extern char *rl_prompt;
-extern char *rl_line_buffer;
-extern HIST_ENTRY *saved_line_for_history;
-
-static char *noninc_search_string = (char *) NULL;
-static int noninc_history_pos = 0;
-
-/* Search the history list for STRING starting at absolute history position
- POS. If STRING begins with `^', the search must match STRING at the
- beginning of a history line, otherwise a full substring match is performed
- for STRING. DIR < 0 means to search backwards through the history list,
- DIR >= 0 means to search forward. */
-static int
-noninc_search_from_pos (string, pos, dir)
- char *string;
- int pos, dir;
-{
- int ret, old;
-
- old = where_history ();
- history_set_pos (pos);
-
- if (*string == '^')
- ret = history_search_prefix (string + 1, dir);
- else
- ret = history_search (string, dir);
-
- if (ret != -1)
- ret = where_history ();
-
- history_set_pos (old);
- return (ret);
-}
-
-/* Search for a line in the history containing STRING. If DIR is < 0, the
- search is backwards through previous entries, else through subsequent
- entries. */
-static void
-noninc_dosearch (string, dir)
- char *string;
- int dir;
-{
- int oldpos, pos;
- HIST_ENTRY *entry;
-
- if (string == 0 || *string == 0 || noninc_history_pos < 0)
- {
- ding ();
- return;
- }
-
- pos = noninc_search_from_pos (string, noninc_history_pos + dir, dir);
- if (pos == -1)
- {
- /* Search failed, current history position unchanged. */
- maybe_unsave_line ();
- rl_clear_message ();
- rl_point = 0;
- ding ();
- return;
- }
-
- noninc_history_pos = pos;
-
- oldpos = where_history ();
- history_set_pos (noninc_history_pos);
- entry = current_history ();
- history_set_pos (oldpos);
-
- {
- int line_len;
-
- line_len = strlen (entry->line);
- if (line_len >= rl_line_buffer_len)
- rl_extend_line_buffer (line_len);
- strcpy (rl_line_buffer, entry->line);
- }
-
- rl_undo_list = (UNDO_LIST *)entry->data;
- rl_end = strlen (rl_line_buffer);
- rl_point = 0;
- rl_clear_message ();
-
- if (saved_line_for_history)
- free_history_entry (saved_line_for_history);
- saved_line_for_history = (HIST_ENTRY *)NULL;
-}
-
-/* Search non-interactively through the history list. DIR < 0 means to
- search backwards through the history of previous commands; otherwise
- the search is for commands subsequent to the current position in the
- history list. PCHAR is the character to use for prompting when reading
- the search string; if not specified (0), it defaults to `:'. */
-static void
-noninc_search (dir, pchar)
- int dir;
- int pchar;
-{
- int saved_point, c, pmtlen;
- char *p;
-
- maybe_save_line ();
- saved_point = rl_point;
-
- /* Use the line buffer to read the search string. */
- rl_line_buffer[0] = 0;
- rl_end = rl_point = 0;
-
- pmtlen = (rl_prompt && *rl_prompt) ? strlen (rl_prompt) : 0;
- p = (char *)alloca (2 + pmtlen);
- if (pmtlen)
- strcpy (p, rl_prompt);
- p[pmtlen] = pchar ? pchar : ':';
- p[pmtlen + 1] = '\0';
-
- rl_message (p, 0, 0);
-
- /* Read the search string. */
- while (c = rl_read_key ())
- {
- switch (c)
- {
- case CTRL('H'):
- case RUBOUT:
- if (rl_point == 0)
- {
- maybe_unsave_line ();
- rl_clear_message ();
- rl_point = saved_point;
- return;
- }
- /* FALLTHROUGH */
-
- case CTRL('W'):
- case CTRL('U'):
- rl_dispatch (c, _rl_keymap);
- break;
-
- case RETURN:
- case NEWLINE:
- goto dosearch;
- /* NOTREACHED */
- break;
-
- case CTRL('C'):
- case CTRL('G'):
- maybe_unsave_line ();
- rl_clear_message ();
- rl_point = saved_point;
- ding ();
- return;
-
- default:
- rl_insert (1, c);
- break;
- }
- rl_redisplay ();
- }
-
- dosearch:
- /* If rl_point == 0, we want to re-use the previous search string and
- start from the saved history position. If there's no previous search
- string, punt. */
- if (rl_point == 0)
- {
- if (!noninc_search_string)
- {
- ding ();
- return;
- }
- }
- else
- {
- /* We want to start the search from the current history position. */
- noninc_history_pos = where_history ();
- if (noninc_search_string)
- free (noninc_search_string);
- noninc_search_string = savestring (rl_line_buffer);
- }
-
- noninc_dosearch (noninc_search_string, dir);
-}
-
-/* Search forward through the history list for a string. If the vi-mode
- code calls this, KEY will be `?'. */
-rl_noninc_forward_search (count, key)
- int count, key;
-{
- if (key == '?')
- noninc_search (1, '?');
- else
- noninc_search (1, 0);
-}
-
-/* Reverse search the history list for a string. If the vi-mode code
- calls this, KEY will be `/'. */
-rl_noninc_reverse_search (count, key)
- int count, key;
-{
- if (key == '/')
- noninc_search (-1, '/');
- else
- noninc_search (-1, 0);
-}
-
-/* Search forward through the history list for the last string searched
- for. If there is no saved search string, abort. */
-rl_noninc_forward_search_again (count, key)
- int count, key;
-{
- if (!noninc_search_string)
- {
- ding ();
- return (-1);
- }
- noninc_dosearch (noninc_search_string, 1);
-}
-
-/* Reverse search in the history list for the last string searched
- for. If there is no saved search string, abort. */
-rl_noninc_reverse_search_again (count, key)
- int count, key;
-{
- if (!noninc_search_string)
- {
- ding ();
- return (-1);
- }
- noninc_dosearch (noninc_search_string, -1);
-}
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