196 lines
4.4 KiB
C
196 lines
4.4 KiB
C
/* keymaps.c -- Functions and keymaps for the GNU Readline library. */
|
||
|
||
/* Copyright (C) 1988,1989 Free Software Foundation, Inc.
|
||
|
||
This file is part of GNU 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 1, 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; see the file COPYING. If not, write to the Free
|
||
Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
#if defined (HAVE_STDLIB_H)
|
||
# include <stdlib.h>
|
||
#else
|
||
# include "ansi_stdlib.h"
|
||
#endif /* HAVE_STDLIB_H */
|
||
|
||
#include "rlconf.h"
|
||
#include <readline/keymaps.h>
|
||
#include "emacs_keymap.c"
|
||
|
||
#ifdef VI_MODE
|
||
#include "vi_keymap.c"
|
||
#endif
|
||
|
||
extern int rl_do_lowercase_version ();
|
||
extern int rl_rubout (), rl_insert ();
|
||
|
||
#if defined (STATIC_MALLOC)
|
||
static char *xmalloc (), *xrealloc ();
|
||
#else
|
||
extern char *xmalloc (), *xrealloc ();
|
||
#endif /* STATIC_MALLOC */
|
||
|
||
/* **************************************************************** */
|
||
/* */
|
||
/* Functions for manipulating Keymaps. */
|
||
/* */
|
||
/* **************************************************************** */
|
||
|
||
|
||
/* Return a new, empty keymap.
|
||
Free it with free() when you are done. */
|
||
Keymap
|
||
rl_make_bare_keymap ()
|
||
{
|
||
register int i;
|
||
Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
|
||
|
||
for (i = 0; i < KEYMAP_SIZE; i++)
|
||
{
|
||
keymap[i].type = ISFUNC;
|
||
keymap[i].function = (Function *)NULL;
|
||
}
|
||
|
||
for (i = 'A'; i < ('Z' + 1); i++)
|
||
{
|
||
keymap[i].type = ISFUNC;
|
||
keymap[i].function = rl_do_lowercase_version;
|
||
}
|
||
|
||
return (keymap);
|
||
}
|
||
|
||
/* Return a new keymap which is a copy of MAP. */
|
||
Keymap
|
||
rl_copy_keymap (map)
|
||
Keymap map;
|
||
{
|
||
register int i;
|
||
Keymap temp = rl_make_bare_keymap ();
|
||
|
||
for (i = 0; i < KEYMAP_SIZE; i++)
|
||
{
|
||
temp[i].type = map[i].type;
|
||
temp[i].function = map[i].function;
|
||
}
|
||
return (temp);
|
||
}
|
||
|
||
/* Return a new keymap with the printing characters bound to rl_insert,
|
||
the uppercase Meta characters bound to run their lowercase equivalents,
|
||
and the Meta digits bound to produce numeric arguments. */
|
||
Keymap
|
||
rl_make_keymap ()
|
||
{
|
||
register int i;
|
||
Keymap newmap;
|
||
|
||
newmap = rl_make_bare_keymap ();
|
||
|
||
/* All ASCII printing characters are self-inserting. */
|
||
for (i = ' '; i < 126; i++)
|
||
newmap[i].function = rl_insert;
|
||
|
||
newmap[TAB].function = rl_insert;
|
||
newmap[RUBOUT].function = rl_rubout;
|
||
newmap[CTRL('H')].function = rl_rubout;
|
||
|
||
#if KEYMAP_SIZE > 128
|
||
/* Printing characters in some 8-bit character sets. */
|
||
for (i = 128; i < 160; i++)
|
||
newmap[i].function = rl_insert;
|
||
|
||
/* ISO Latin-1 printing characters should self-insert. */
|
||
for (i = 160; i < 256; i++)
|
||
newmap[i].function = rl_insert;
|
||
#endif /* KEYMAP_SIZE > 128 */
|
||
|
||
return (newmap);
|
||
}
|
||
|
||
/* Free the storage associated with MAP. */
|
||
void
|
||
rl_discard_keymap (map)
|
||
Keymap (map);
|
||
{
|
||
int i;
|
||
|
||
if (!map)
|
||
return;
|
||
|
||
for (i = 0; i < KEYMAP_SIZE; i++)
|
||
{
|
||
switch (map[i].type)
|
||
{
|
||
case ISFUNC:
|
||
break;
|
||
|
||
case ISKMAP:
|
||
rl_discard_keymap ((Keymap)map[i].function);
|
||
break;
|
||
|
||
case ISMACR:
|
||
free ((char *)map[i].function);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
#if defined (STATIC_MALLOC)
|
||
|
||
/* **************************************************************** */
|
||
/* */
|
||
/* xmalloc and xrealloc () */
|
||
/* */
|
||
/* **************************************************************** */
|
||
|
||
static void memory_error_and_abort ();
|
||
|
||
static char *
|
||
xmalloc (bytes)
|
||
int bytes;
|
||
{
|
||
char *temp = (char *)malloc (bytes);
|
||
|
||
if (!temp)
|
||
memory_error_and_abort ();
|
||
return (temp);
|
||
}
|
||
|
||
static char *
|
||
xrealloc (pointer, bytes)
|
||
char *pointer;
|
||
int bytes;
|
||
{
|
||
char *temp;
|
||
|
||
if (!pointer)
|
||
temp = (char *)malloc (bytes);
|
||
else
|
||
temp = (char *)realloc (pointer, bytes);
|
||
|
||
if (!temp)
|
||
memory_error_and_abort ();
|
||
return (temp);
|
||
}
|
||
|
||
static void
|
||
memory_error_and_abort ()
|
||
{
|
||
fprintf (stderr, "readline: Out of virtual memory!\n");
|
||
abort ();
|
||
}
|
||
#endif /* STATIC_MALLOC */
|