/* bind.c -- key binding and startup file support for the readline library. */
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2010 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.
+ This file is part of the GNU Readline Library (Readline), 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 1, or
+ 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.
- 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
+ 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.
- 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. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define READLINE_LIBRARY
+
+#if defined (__TANDEM)
+# include <floss.h>
+#endif
+
+#if defined (HAVE_CONFIG_H)
+# include <config.h>
+#endif
-#include "sysdep.h"
#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
-#ifndef NO_SYS_FILE
-#include <sys/file.h>
-#endif
+#if defined (HAVE_SYS_FILE_H)
+# include <sys/file.h>
+#endif /* HAVE_SYS_FILE_H */
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+# include <stdlib.h>
+#else
+# include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
#include <errno.h>
-/* Not all systems declare ERRNO in errno.h... and some systems #define it! */
+
#if !defined (errno)
extern int errno;
#endif /* !errno */
+#include "posixstat.h"
+
/* System-specific feature definitions and include files. */
#include "rldefs.h"
#include "readline.h"
#include "history.h"
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
#if !defined (strchr) && !defined (__STDC__)
extern char *strchr (), *strrchr ();
#endif /* !strchr && !__STDC__ */
-extern char *tilde_expand ();
-
-extern int _rl_horizontal_scroll_mode;
-extern int _rl_mark_modified_lines;
-extern int _rl_prefer_visible_bell;
-extern int _rl_meta_flag;
-extern int rl_blink_matching_paren;
-extern int _rl_convert_meta_chars_to_ascii;
-#if defined (VISIBLE_STATS)
-extern int rl_visible_stats;
-#endif /* VISIBLE_STATS */
-extern int rl_complete_with_tilde_expansion;
-extern int rl_completion_query_items;
-
-extern int rl_explicit_arg;
-extern int rl_editing_mode;
-extern unsigned short _rl_parsing_conditionalized_out;
-extern Keymap _rl_keymap;
+/* Variables exported by this file. */
+Keymap rl_binding_keymap;
-extern char *possible_control_prefixes[], *possible_meta_prefixes[];
+static char *_rl_read_file PARAMS((char *, size_t *));
+static void _rl_init_file_error PARAMS((const char *));
+static int _rl_read_init_file PARAMS((const char *, int));
+static int glean_key_from_name PARAMS((char *));
+static int find_boolean_var PARAMS((const char *));
-extern char **rl_funmap_names ();
+static char *_rl_get_string_variable_value PARAMS((const char *));
+static int substring_member_of_array PARAMS((const char *, const char * const *));
-static void rl_generic_bind ();
-static int glean_key_from_name ();
-static int stricmp (), strnicmp ();
+static int currently_reading_init_file;
-#if defined (STATIC_MALLOC)
-static char *xmalloc (), *xrealloc ();
-#else
-extern char *xmalloc (), *xrealloc ();
-#endif /* STATIC_MALLOC */
+/* used only in this file */
+static int _rl_prefer_visible_bell = 1;
/* **************************************************************** */
/* */
/* */
/* **************************************************************** */
-/* rl_add_defun (char *name, Function *function, int key)
+/* rl_add_defun (char *name, rl_command_func_t *function, int key)
Add NAME to the list of named functions. Make FUNCTION be the function
that gets called. If KEY is not -1, then bind it. */
+int
rl_add_defun (name, function, key)
- char *name;
- Function *function;
+ const char *name;
+ rl_command_func_t *function;
int key;
{
if (key != -1)
rl_bind_key (key, function);
rl_add_funmap_entry (name, function);
+ return 0;
}
/* Bind KEY to FUNCTION. Returns non-zero if KEY is out of range. */
int
rl_bind_key (key, function)
int key;
- Function *function;
+ rl_command_func_t *function;
{
if (key < 0)
return (key);
{
if (_rl_keymap[ESC].type == ISKMAP)
{
- Keymap escmap = (Keymap)_rl_keymap[ESC].function;
+ Keymap escmap;
+ escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC);
key = UNMETA (key);
escmap[key].type = ISFUNC;
escmap[key].function = function;
_rl_keymap[key].type = ISFUNC;
_rl_keymap[key].function = function;
+ rl_binding_keymap = _rl_keymap;
return (0);
}
int
rl_bind_key_in_map (key, function, map)
int key;
- Function *function;
+ rl_command_func_t *function;
Keymap map;
{
int result;
- Keymap oldmap = _rl_keymap;
+ Keymap oldmap;
+ oldmap = _rl_keymap;
_rl_keymap = map;
result = rl_bind_key (key, function);
_rl_keymap = oldmap;
return (result);
}
+/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right
+ now, this is always used to attempt to bind the arrow keys, hence the
+ check for rl_vi_movement_mode. */
+int
+rl_bind_key_if_unbound_in_map (key, default_func, kmap)
+ int key;
+ rl_command_func_t *default_func;
+ Keymap kmap;
+{
+ char keyseq[2];
+
+ keyseq[0] = (unsigned char)key;
+ keyseq[1] = '\0';
+ return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap));
+}
+
+int
+rl_bind_key_if_unbound (key, default_func)
+ int key;
+ rl_command_func_t *default_func;
+{
+ char keyseq[2];
+
+ keyseq[0] = (unsigned char)key;
+ keyseq[1] = '\0';
+ return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
+}
+
/* Make KEY do nothing in the currently selected keymap.
Returns non-zero in case of error. */
int
rl_unbind_key (key)
int key;
{
- return (rl_bind_key (key, (Function *)NULL));
+ return (rl_bind_key (key, (rl_command_func_t *)NULL));
}
/* Make KEY do nothing in MAP.
int key;
Keymap map;
{
- return (rl_bind_key_in_map (key, (Function *)NULL, map));
+ return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map));
+}
+
+/* Unbind all keys bound to FUNCTION in MAP. */
+int
+rl_unbind_function_in_map (func, map)
+ rl_command_func_t *func;
+ Keymap map;
+{
+ register int i, rval;
+
+ for (i = rval = 0; i < KEYMAP_SIZE; i++)
+ {
+ if (map[i].type == ISFUNC && map[i].function == func)
+ {
+ map[i].function = (rl_command_func_t *)NULL;
+ rval = 1;
+ }
+ }
+ return rval;
+}
+
+int
+rl_unbind_command_in_map (command, map)
+ const char *command;
+ Keymap map;
+{
+ rl_command_func_t *func;
+
+ func = rl_named_function (command);
+ if (func == 0)
+ return 0;
+ return (rl_unbind_function_in_map (func, map));
+}
+
+/* Bind the key sequence represented by the string KEYSEQ to
+ FUNCTION, starting in the current keymap. This makes new
+ keymaps as necessary. */
+int
+rl_bind_keyseq (keyseq, function)
+ const char *keyseq;
+ rl_command_func_t *function;
+{
+ return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap));
}
/* Bind the key sequence represented by the string KEYSEQ to
FUNCTION. This makes new keymaps as necessary. The initial
place to do bindings is in MAP. */
+int
+rl_bind_keyseq_in_map (keyseq, function, map)
+ const char *keyseq;
+ rl_command_func_t *function;
+ Keymap map;
+{
+ return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
+}
+
+/* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */
+int
rl_set_key (keyseq, function, map)
- char *keyseq;
- Function *function;
+ const char *keyseq;
+ rl_command_func_t *function;
Keymap map;
{
- rl_generic_bind (ISFUNC, keyseq, function, map);
+ return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
+}
+
+/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right
+ now, this is always used to attempt to bind the arrow keys, hence the
+ check for rl_vi_movement_mode. */
+int
+rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap)
+ const char *keyseq;
+ rl_command_func_t *default_func;
+ Keymap kmap;
+{
+ rl_command_func_t *func;
+
+ if (keyseq)
+ {
+ func = rl_function_of_keyseq (keyseq, kmap, (int *)NULL);
+#if defined (VI_MODE)
+ if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode)
+#else
+ if (!func || func == rl_do_lowercase_version)
+#endif
+ return (rl_bind_keyseq_in_map (keyseq, default_func, kmap));
+ else
+ return 1;
+ }
+ return 0;
+}
+
+int
+rl_bind_keyseq_if_unbound (keyseq, default_func)
+ const char *keyseq;
+ rl_command_func_t *default_func;
+{
+ return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
}
/* Bind the key sequence represented by the string KEYSEQ to
the string of characters MACRO. This makes new keymaps as
necessary. The initial place to do bindings is in MAP. */
+int
rl_macro_bind (keyseq, macro, map)
- char *keyseq, *macro;
+ const char *keyseq, *macro;
Keymap map;
{
char *macro_keys;
if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len))
{
- free (macro_keys);
- return;
+ xfree (macro_keys);
+ return -1;
}
rl_generic_bind (ISMACR, keyseq, macro_keys, map);
+ return 0;
}
/* Bind the key sequence represented by the string KEYSEQ to
pointed to by DATA, right now this can be a function (ISFUNC),
a macro (ISMACR), or a keymap (ISKMAP). This makes new keymaps
as necessary. The initial place to do bindings is in MAP. */
-
-static void
+int
rl_generic_bind (type, keyseq, data, map)
int type;
- char *keyseq, *data;
+ const char *keyseq;
+ char *data;
Keymap map;
{
char *keys;
int keys_len;
register int i;
+ KEYMAP_ENTRY k;
+
+ k.function = 0;
/* If no keys to bind to, exit right away. */
- if (!keyseq || !*keyseq)
+ if (keyseq == 0 || *keyseq == 0)
{
if (type == ISMACR)
- free (data);
- return;
+ xfree (data);
+ return -1;
}
- keys = (char *)alloca (1 + (2 * strlen (keyseq)));
+ keys = (char *)xmalloc (1 + (2 * strlen (keyseq)));
/* Translate the ASCII representation of KEYSEQ into an array of
characters. Stuff the characters into KEYS, and the length of
KEYS into KEYS_LEN. */
if (rl_translate_keyseq (keyseq, keys, &keys_len))
- return;
+ {
+ xfree (keys);
+ return -1;
+ }
/* Bind keys, making new keymaps as necessary. */
for (i = 0; i < keys_len; i++)
{
- int ic = (int) ((unsigned char)keys[i]);
+ unsigned char uc = keys[i];
+ int ic;
+
+ ic = uc;
+ if (ic < 0 || ic >= KEYMAP_SIZE)
+ {
+ xfree (keys);
+ return -1;
+ }
- if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic))
+ if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
{
ic = UNMETA (ic);
if (map[ESC].type == ISKMAP)
- map = (Keymap) map[ESC].function;
+ map = FUNCTION_TO_KEYMAP (map, ESC);
}
if ((i + 1) < keys_len)
{
if (map[ic].type != ISKMAP)
{
- if (map[ic].type == ISMACR)
- free ((char *)map[ic].function);
+ /* We allow subsequences of keys. If a keymap is being
+ created that will `shadow' an existing function or macro
+ key binding, we save that keybinding into the ANYOTHERKEY
+ index in the new map. The dispatch code will look there
+ to find the function to execute if the subsequence is not
+ matched. ANYOTHERKEY was chosen to be greater than
+ UCHAR_MAX. */
+ k = map[ic];
map[ic].type = ISKMAP;
- map[ic].function = (Function *)rl_make_bare_keymap ();
+ map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap());
+ }
+ map = FUNCTION_TO_KEYMAP (map, ic);
+ /* The dispatch code will return this function if no matching
+ key sequence is found in the keymap. This (with a little
+ help from the dispatch code in readline.c) allows `a' to be
+ mapped to something, `abc' to be mapped to something else,
+ and the function bound to `a' to be executed when the user
+ types `abx', leaving `bx' in the input queue. */
+ if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR))
+ {
+ map[ANYOTHERKEY] = k;
+ k.function = 0;
}
- map = (Keymap)map[ic].function;
}
else
{
if (map[ic].type == ISMACR)
- free ((char *)map[ic].function);
+ xfree ((char *)map[ic].function);
+ else if (map[ic].type == ISKMAP)
+ {
+ map = FUNCTION_TO_KEYMAP (map, ic);
+ ic = ANYOTHERKEY;
+ /* If we're trying to override a keymap with a null function
+ (e.g., trying to unbind it), we can't use a null pointer
+ here because that's indistinguishable from having not been
+ overridden. We use a special bindable function that does
+ nothing. */
+ if (type == ISFUNC && data == 0)
+ data = (char *)_rl_null_function;
+ }
- map[ic].function = (Function *)data;
+ map[ic].function = KEYMAP_TO_FUNCTION (data);
map[ic].type = type;
}
+
+ rl_binding_keymap = map;
}
+ xfree (keys);
+ return 0;
}
/* Translate the ASCII representation of SEQ, stuffing the values into ARRAY,
an array of characters. LEN gets the final length of ARRAY. Return
non-zero if there was an error parsing SEQ. */
+int
rl_translate_keyseq (seq, array, len)
- char *seq, *array;
+ const char *seq;
+ char *array;
int *len;
{
- register int i, c, l = 0;
+ register int i, c, l, temp;
- for (i = 0; c = seq[i]; i++)
+ for (i = l = 0; c = seq[i]; i++)
{
if (c == '\\')
{
c = seq[++i];
- if (!c)
+ if (c == 0)
break;
- if (((c == 'C' || c == 'M') && seq[i + 1] == '-') ||
- (c == 'e'))
+ /* Handle \C- and \M- prefixes. */
+ if ((c == 'C' || c == 'M') && seq[i + 1] == '-')
{
/* Handle special case of backwards define. */
if (strncmp (&seq[i], "C-\\M-", 5) == 0)
{
- array[l++] = ESC;
+ array[l++] = ESC; /* ESC is meta-prefix */
i += 5;
- array[l++] = CTRL (to_upper (seq[i]));
- if (!seq[i])
+ array[l++] = CTRL (_rl_to_upper (seq[i]));
+ if (seq[i] == '\0')
i--;
- continue;
}
-
- switch (c)
+ else if (c == 'M')
+ {
+ i++; /* seq[i] == '-' */
+ /* XXX - obey convert-meta setting */
+ if (_rl_convert_meta_chars_to_ascii && _rl_keymap[ESC].type == ISKMAP)
+ array[l++] = ESC; /* ESC is meta-prefix */
+ else if (seq[i+1] == '\\' && seq[i+2] == 'C' && seq[i+3] == '-')
+ {
+ i += 4;
+ temp = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i]));
+ array[l++] = META (temp);
+ }
+ else
+ {
+ /* This doesn't yet handle things like \M-\a, which may
+ or may not have any reasonable meaning. You're
+ probably better off using straight octal or hex. */
+ i++;
+ array[l++] = META (seq[i]);
+ }
+ }
+ else if (c == 'C')
{
- case 'M':
- i++;
- array[l++] = ESC;
- break;
-
- case 'C':
i += 2;
/* Special hack for C-?... */
- if (seq[i] == '?')
- array[l++] = RUBOUT;
- else
- array[l++] = CTRL (to_upper (seq[i]));
- break;
-
- case 'e':
- array[l++] = ESC;
+ array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i]));
}
-
continue;
+ }
+
+ /* Translate other backslash-escaped characters. These are the
+ same escape sequences that bash's `echo' and `printf' builtins
+ handle, with the addition of \d -> RUBOUT. A backslash
+ preceding a character that is not special is stripped. */
+ switch (c)
+ {
+ case 'a':
+ array[l++] = '\007';
+ break;
+ case 'b':
+ array[l++] = '\b';
+ break;
+ case 'd':
+ array[l++] = RUBOUT; /* readline-specific */
+ break;
+ case 'e':
+ array[l++] = ESC;
+ break;
+ case 'f':
+ array[l++] = '\f';
+ break;
+ case 'n':
+ array[l++] = NEWLINE;
+ break;
+ case 'r':
+ array[l++] = RETURN;
+ break;
+ case 't':
+ array[l++] = TAB;
+ break;
+ case 'v':
+ array[l++] = 0x0B;
+ break;
+ case '\\':
+ array[l++] = '\\';
+ break;
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ i++;
+ for (temp = 2, c -= '0'; ISOCTAL (seq[i]) && temp--; i++)
+ c = (c * 8) + OCTVALUE (seq[i]);
+ i--; /* auto-increment in for loop */
+ array[l++] = c & largest_char;
+ break;
+ case 'x':
+ i++;
+ for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++)
+ c = (c * 16) + HEXVALUE (seq[i]);
+ if (temp == 2)
+ c = 'x';
+ i--; /* auto-increment in for loop */
+ array[l++] = c & largest_char;
+ break;
+ default: /* backslashes before non-special chars just add the char */
+ array[l++] = c;
+ break; /* the backslash is stripped */
}
+ continue;
}
+
array[l++] = c;
}
return (0);
}
+char *
+rl_untranslate_keyseq (seq)
+ int seq;
+{
+ static char kseq[16];
+ int i, c;
+
+ i = 0;
+ c = seq;
+ if (META_CHAR (c))
+ {
+ kseq[i++] = '\\';
+ kseq[i++] = 'M';
+ kseq[i++] = '-';
+ c = UNMETA (c);
+ }
+ else if (c == ESC)
+ {
+ kseq[i++] = '\\';
+ c = 'e';
+ }
+ else if (CTRL_CHAR (c))
+ {
+ kseq[i++] = '\\';
+ kseq[i++] = 'C';
+ kseq[i++] = '-';
+ c = _rl_to_lower (UNCTRL (c));
+ }
+ else if (c == RUBOUT)
+ {
+ kseq[i++] = '\\';
+ kseq[i++] = 'C';
+ kseq[i++] = '-';
+ c = '?';
+ }
+
+ if (c == ESC)
+ {
+ kseq[i++] = '\\';
+ c = 'e';
+ }
+ else if (c == '\\' || c == '"')
+ {
+ kseq[i++] = '\\';
+ }
+
+ kseq[i++] = (unsigned char) c;
+ kseq[i] = '\0';
+ return kseq;
+}
+
+static char *
+_rl_untranslate_macro_value (seq)
+ char *seq;
+{
+ char *ret, *r, *s;
+ int c;
+
+ r = ret = (char *)xmalloc (7 * strlen (seq) + 1);
+ for (s = seq; *s; s++)
+ {
+ c = *s;
+ if (META_CHAR (c))
+ {
+ *r++ = '\\';
+ *r++ = 'M';
+ *r++ = '-';
+ c = UNMETA (c);
+ }
+ else if (c == ESC)
+ {
+ *r++ = '\\';
+ c = 'e';
+ }
+ else if (CTRL_CHAR (c))
+ {
+ *r++ = '\\';
+ *r++ = 'C';
+ *r++ = '-';
+ c = _rl_to_lower (UNCTRL (c));
+ }
+ else if (c == RUBOUT)
+ {
+ *r++ = '\\';
+ *r++ = 'C';
+ *r++ = '-';
+ c = '?';
+ }
+
+ if (c == ESC)
+ {
+ *r++ = '\\';
+ c = 'e';
+ }
+ else if (c == '\\' || c == '"')
+ *r++ = '\\';
+
+ *r++ = (unsigned char)c;
+ }
+ *r = '\0';
+ return ret;
+}
+
/* Return a pointer to the function that STRING represents.
If STRING doesn't have a matching function, then a NULL pointer
is returned. */
-Function *
+rl_command_func_t *
rl_named_function (string)
- char *string;
+ const char *string;
{
register int i;
rl_initialize_funmap ();
for (i = 0; funmap[i]; i++)
- if (stricmp (funmap[i]->name, string) == 0)
+ if (_rl_stricmp (funmap[i]->name, string) == 0)
return (funmap[i]->function);
- return ((Function *)NULL);
+ return ((rl_command_func_t *)NULL);
}
/* Return the function (or macro) definition which would be invoked via
used. TYPE, if non-NULL, is a pointer to an int which will receive the
type of the object pointed to. One of ISFUNC (function), ISKMAP (keymap),
or ISMACR (macro). */
-Function *
+rl_command_func_t *
rl_function_of_keyseq (keyseq, map, type)
- char *keyseq;
+ const char *keyseq;
Keymap map;
int *type;
{
register int i;
- if (!map)
+ if (map == 0)
map = _rl_keymap;
for (i = 0; keyseq && keyseq[i]; i++)
{
- int ic = keyseq[i];
+ unsigned char ic = keyseq[i];
if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
{
- if (map[ESC].type != ISKMAP)
+ if (map[ESC].type == ISKMAP)
+ {
+ map = FUNCTION_TO_KEYMAP (map, ESC);
+ ic = UNMETA (ic);
+ }
+ /* XXX - should we just return NULL here, since this obviously
+ doesn't match? */
+ else
{
if (type)
*type = map[ESC].type;
return (map[ESC].function);
}
- else
- {
- map = (Keymap)map[ESC].function;
- ic = UNMETA (ic);
- }
}
if (map[ic].type == ISKMAP)
{
/* If this is the last key in the key sequence, return the
map. */
- if (!keyseq[i + 1])
+ if (keyseq[i + 1] == '\0')
{
if (type)
*type = ISKMAP;
return (map[ic].function);
}
else
- map = (Keymap)map[ic].function;
+ map = FUNCTION_TO_KEYMAP (map, ic);
}
- else
+ /* If we're not at the end of the key sequence, and the current key
+ is bound to something other than a keymap, then the entire key
+ sequence is not bound. */
+ else if (map[ic].type != ISKMAP && keyseq[i+1])
+ return ((rl_command_func_t *)NULL);
+ else /* map[ic].type != ISKMAP && keyseq[i+1] == 0 */
{
if (type)
*type = map[ic].type;
return (map[ic].function);
}
}
+ return ((rl_command_func_t *) NULL);
}
/* The last key bindings file read. */
static char *last_readline_init_file = (char *)NULL;
+/* The file we're currently reading key bindings from. */
+static const char *current_readline_init_file;
+static int current_readline_init_include_level;
+static int current_readline_init_lineno;
+
+/* Read FILENAME into a locally-allocated buffer and return the buffer.
+ The size of the buffer is returned in *SIZEP. Returns NULL if any
+ errors were encountered. */
+static char *
+_rl_read_file (filename, sizep)
+ char *filename;
+ size_t *sizep;
+{
+ struct stat finfo;
+ size_t file_size;
+ char *buffer;
+ int i, file;
+
+ if ((stat (filename, &finfo) < 0) || (file = open (filename, O_RDONLY, 0666)) < 0)
+ return ((char *)NULL);
+
+ file_size = (size_t)finfo.st_size;
+
+ /* check for overflow on very large files */
+ if (file_size != finfo.st_size || file_size + 1 < file_size)
+ {
+ if (file >= 0)
+ close (file);
+#if defined (EFBIG)
+ errno = EFBIG;
+#endif
+ return ((char *)NULL);
+ }
+
+ /* Read the file into BUFFER. */
+ buffer = (char *)xmalloc (file_size + 1);
+ i = read (file, buffer, file_size);
+ close (file);
+
+ if (i < 0)
+ {
+ xfree (buffer);
+ return ((char *)NULL);
+ }
+
+ RL_CHECK_SIGNALS ();
+
+ buffer[i] = '\0';
+ if (sizep)
+ *sizep = i;
+
+ return (buffer);
+}
+
/* Re-read the current keybindings file. */
+int
rl_re_read_init_file (count, ignore)
int count, ignore;
{
- rl_read_init_file ((char *)NULL);
+ int r;
+ r = rl_read_init_file ((const char *)NULL);
+ rl_set_keymap_from_edit_mode ();
+ return r;
}
-/* The final, last-ditch effort file name for an init file. */
-#ifdef __MSDOS__
-/* Don't know what to do, but this is a guess */
-#define DEFAULT_INPUTRC "/INPUTRC";
-#else
-#define DEFAULT_INPUTRC "~/.inputrc"
-#endif
-
/* Do key bindings from a file. If FILENAME is NULL it defaults
- to `~/.inputrc'. If the file existed and could be opened and
- read, 0 is returned, otherwise errno is returned. */
+ to the first non-null filename from this list:
+ 1. the filename used for the previous call
+ 2. the value of the shell variable `INPUTRC'
+ 3. ~/.inputrc
+ 4. /etc/inputrc
+ If the file existed and could be opened and read, 0 is returned,
+ otherwise errno is returned. */
int
rl_read_init_file (filename)
- char *filename;
+ const char *filename;
{
- register int i;
- char *buffer, *openname, *line, *end;
- struct stat finfo;
- int file;
-
/* Default the filename. */
- if (!filename)
+ if (filename == 0)
+ filename = last_readline_init_file;
+ if (filename == 0)
+ filename = sh_get_env_value ("INPUTRC");
+ if (filename == 0 || *filename == 0)
{
- if (last_readline_init_file)
- filename = last_readline_init_file;
- else
- filename = DEFAULT_INPUTRC;
+ filename = DEFAULT_INPUTRC;
+ /* Try to read DEFAULT_INPUTRC; fall back to SYS_INPUTRC on failure */
+ if (_rl_read_init_file (filename, 0) == 0)
+ return 0;
+ filename = SYS_INPUTRC;
}
- openname = tilde_expand (filename);
-
- if (!openname || *openname == '\000')
- return ENOENT;
-
- if ((stat (openname, &finfo) < 0) ||
- (file = open (openname, O_RDONLY, 0666)) < 0)
- {
- free (openname);
- return (errno);
- }
- else
- free (openname);
+#if defined (__MSDOS__)
+ if (_rl_read_init_file (filename, 0) == 0)
+ return 0;
+ filename = "~/_inputrc";
+#endif
+ return (_rl_read_init_file (filename, 0));
+}
- if (last_readline_init_file)
- free (last_readline_init_file);
+static int
+_rl_read_init_file (filename, include_level)
+ const char *filename;
+ int include_level;
+{
+ register int i;
+ char *buffer, *openname, *line, *end;
+ size_t file_size;
- last_readline_init_file = savestring (filename);
+ current_readline_init_file = filename;
+ current_readline_init_include_level = include_level;
- /* Read the file into BUFFER. */
- buffer = (char *)xmalloc ((int)finfo.st_size + 1);
- i = read (file, buffer, finfo.st_size);
- close (file);
+ openname = tilde_expand (filename);
+ buffer = _rl_read_file (openname, &file_size);
+ xfree (openname);
- if (i != finfo.st_size)
+ RL_CHECK_SIGNALS ();
+ if (buffer == 0)
return (errno);
+
+ if (include_level == 0 && filename != last_readline_init_file)
+ {
+ FREE (last_readline_init_file);
+ last_readline_init_file = savestring (filename);
+ }
+
+ currently_reading_init_file = 1;
/* Loop over the lines in the file. Lines that start with `#' are
comments; all other lines are commands for readline initialization. */
+ current_readline_init_lineno = 1;
line = buffer;
- end = buffer + finfo.st_size;
+ end = buffer + file_size;
while (line < end)
{
/* Find the end of this line. */
for (i = 0; line + i != end && line[i] != '\n'; i++);
+#if defined (__CYGWIN__)
+ /* ``Be liberal in what you accept.'' */
+ if (line[i] == '\n' && line[i-1] == '\r')
+ line[i - 1] = '\0';
+#endif
+
/* Mark end of line. */
line[i] = '\0';
+ /* Skip leading whitespace. */
+ while (*line && whitespace (*line))
+ {
+ line++;
+ i--;
+ }
+
/* If the line is not a comment, then parse it. */
if (*line && *line != '#')
rl_parse_and_bind (line);
/* Move to the next line. */
line += i + 1;
+ current_readline_init_lineno++;
}
- free (buffer);
+
+ xfree (buffer);
+ currently_reading_init_file = 0;
return (0);
}
+static void
+_rl_init_file_error (msg)
+ const char *msg;
+{
+ if (currently_reading_init_file)
+ _rl_errmsg ("%s: line %d: %s\n", current_readline_init_file,
+ current_readline_init_lineno, msg);
+ else
+ _rl_errmsg ("%s", msg);
+}
+
/* **************************************************************** */
/* */
/* Parser Directives */
/* */
/* **************************************************************** */
+typedef int _rl_parser_func_t PARAMS((char *));
+
+/* Things that mean `Control'. */
+const char * const _rl_possible_control_prefixes[] = {
+ "Control-", "C-", "CTRL-", (const char *)NULL
+};
+
+const char * const _rl_possible_meta_prefixes[] = {
+ "Meta", "M-", (const char *)NULL
+};
+
/* Conditionals. */
/* Calling programs set this to have their argv[0]. */
-char *rl_readline_name = "other";
+const char *rl_readline_name = "other";
/* Stack of previous values of parsing_conditionalized_out. */
static unsigned char *if_stack = (unsigned char *)NULL;
-static int if_stack_depth = 0;
-static int if_stack_size = 0;
+static int if_stack_depth;
+static int if_stack_size;
/* Push _rl_parsing_conditionalized_out, and set parser state based
on ARGS. */
if (args[i])
args[i++] = '\0';
- /* Handle "if term=foo" and "if mode=emacs" constructs. If this
+ /* Handle "$if term=foo" and "$if mode=emacs" constructs. If this
isn't term=foo, or mode=emacs, then check to see if the first
word in ARGS is the same as the value stored in rl_readline_name. */
- if (rl_terminal_name && strnicmp (args, "term=", 5) == 0)
+ if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0)
{
char *tem, *tname;
/* Terminals like "aaa-60" are equivalent to "aaa". */
tname = savestring (rl_terminal_name);
- tem = (char*) strrchr (tname, '-');
+ tem = strchr (tname, '-');
if (tem)
*tem = '\0';
if someone has a `sun-cmd' and does not want to have bindings
that will be executed if the terminal is a `sun', they can put
`$if term=sun-cmd' into their .inputrc. */
- if ((stricmp (args + 5, tname) == 0) ||
- (stricmp (args + 5, rl_terminal_name) == 0))
- _rl_parsing_conditionalized_out = 0;
- else
- _rl_parsing_conditionalized_out = 1;
-
- free (tname);
+ _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) &&
+ _rl_stricmp (args + 5, rl_terminal_name);
+ xfree (tname);
}
#if defined (VI_MODE)
- else if (strnicmp (args, "mode=", 5) == 0)
+ else if (_rl_strnicmp (args, "mode=", 5) == 0)
{
int mode;
- if (stricmp (args + 5, "emacs") == 0)
+ if (_rl_stricmp (args + 5, "emacs") == 0)
mode = emacs_mode;
- else if (stricmp (args + 5, "vi") == 0)
+ else if (_rl_stricmp (args + 5, "vi") == 0)
mode = vi_mode;
else
mode = no_mode;
- if (mode == rl_editing_mode)
- _rl_parsing_conditionalized_out = 0;
- else
- _rl_parsing_conditionalized_out = 1;
+ _rl_parsing_conditionalized_out = mode != rl_editing_mode;
}
#endif /* VI_MODE */
/* Check to see if the first word in ARGS is the same as the
value stored in rl_readline_name. */
- else if (stricmp (args, rl_readline_name) == 0)
+ else if (_rl_stricmp (args, rl_readline_name) == 0)
_rl_parsing_conditionalized_out = 0;
else
_rl_parsing_conditionalized_out = 1;
{
register int i;
- if (!if_stack_depth)
+ if (if_stack_depth == 0)
{
- /* Error message? */
+ _rl_init_file_error ("$else found without matching $if");
return 0;
}
+#if 0
/* Check the previous (n - 1) levels of the stack to make sure that
we haven't previously turned off parsing. */
for (i = 0; i < if_stack_depth - 1; i++)
+#else
+ /* Check the previous (n) levels of the stack to make sure that
+ we haven't previously turned off parsing. */
+ for (i = 0; i < if_stack_depth; i++)
+#endif
if (if_stack[i] == 1)
return 0;
if (if_stack_depth)
_rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
else
- {
- /* *** What, no error message? *** */
- }
+ _rl_init_file_error ("$endif without matching $if");
return 0;
}
+static int
+parser_include (args)
+ char *args;
+{
+ const char *old_init_file;
+ char *e;
+ int old_line_number, old_include_level, r;
+
+ if (_rl_parsing_conditionalized_out)
+ return (0);
+
+ old_init_file = current_readline_init_file;
+ old_line_number = current_readline_init_lineno;
+ old_include_level = current_readline_init_include_level;
+
+ e = strchr (args, '\n');
+ if (e)
+ *e = '\0';
+ r = _rl_read_init_file ((const char *)args, old_include_level + 1);
+
+ current_readline_init_file = old_init_file;
+ current_readline_init_lineno = old_line_number;
+ current_readline_init_include_level = old_include_level;
+
+ return r;
+}
+
/* Associate textual names with actual functions. */
-static struct {
- char *name;
- Function *function;
+static const struct {
+ const char * const name;
+ _rl_parser_func_t *function;
} parser_directives [] = {
{ "if", parser_if },
{ "endif", parser_endif },
{ "else", parser_else },
- { (char *)0x0, (Function *)0x0 }
+ { "include", parser_include },
+ { (char *)0x0, (_rl_parser_func_t *)0x0 }
};
/* Handle a parser directive. STATEMENT is the line of the directive
/* Lookup the command, and act on it. */
for (i = 0; parser_directives[i].name; i++)
- if (stricmp (directive, parser_directives[i].name) == 0)
+ if (_rl_stricmp (directive, parser_directives[i].name) == 0)
{
(*parser_directives[i].function) (args);
return (0);
}
- /* *** Should an error message be output? */
+ /* display an error message about the unknown parser directive */
+ _rl_init_file_error ("unknown parser directive");
return (1);
}
-/* Ugly but working hack for binding prefix meta. */
-#define PREFIX_META_HACK
-
-static int substring_member_of_array ();
-
/* Read the binding command from STRING and perform it.
A key binding command looks like: Keyname: function-name\0,
a variable binding command looks like: set variable value.
A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */
+int
rl_parse_and_bind (string)
char *string;
{
string++;
if (!string || !*string || *string == '#')
- return;
+ return 0;
/* If this is a parser directive, act on it. */
if (*string == '$')
{
handle_parser_directive (&string[1]);
- return;
+ return 0;
}
/* If we aren't supposed to be parsing right now, then we're done. */
if (_rl_parsing_conditionalized_out)
- return;
+ return 0;
i = 0;
/* If this keyname is a complex key expression surrounded by quotes,
if (c == '"')
break;
}
+ /* If we didn't find a closing quote, abort the line. */
+ if (string[i] == '\0')
+ {
+ _rl_init_file_error ("no closing `\"' in key binding");
+ return 1;
+ }
}
/* Advance to the colon (:) or whitespace which separates the two objects. */
string[i++] = '\0';
/* If this is a command to set a variable, then do that. */
- if (stricmp (string, "set") == 0)
+ if (_rl_stricmp (string, "set") == 0)
{
- char *var = string + i;
- char *value;
+ char *var, *value, *e;
+ var = string + i;
/* Make VAR point to start of variable name. */
while (*var && whitespace (*var)) var++;
- /* Make value point to start of value string. */
+ /* Make VALUE point to start of value string. */
value = var;
while (*value && !whitespace (*value)) value++;
if (*value)
*value++ = '\0';
while (*value && whitespace (*value)) value++;
+ /* Strip trailing whitespace from values to boolean variables. Temp
+ fix until I get a real quoted-string parser here. */
+ i = find_boolean_var (var);
+ if (i >= 0)
+ {
+ /* remove trailing whitespace */
+ e = value + strlen (value) - 1;
+ while (e >= value && whitespace (*e))
+ e--;
+ e++; /* skip back to whitespace or EOS */
+ if (*e && e >= value)
+ *e = '\0';
+ }
+
rl_variable_bind (var, value);
- return;
+ return 0;
}
/* Skip any whitespace between keyname and funname. */
the quoted string delimiter, like the shell. */
if (*funname == '\'' || *funname == '"')
{
- int delimiter = string[i++];
- int passc = 0;
+ int delimiter, passc;
- for (; c = string[i]; i++)
+ delimiter = string[i++];
+ for (passc = 0; c = string[i]; i++)
{
if (passc)
{
whatever the right-hand evaluates to, including keymaps. */
if (equivalency)
{
- return;
+ return 0;
}
/* If this is a new-style key-binding, then do the binding with
- rl_set_key (). Otherwise, let the older code deal with it. */
+ rl_bind_keyseq (). Otherwise, let the older code deal with it. */
if (*string == '"')
{
- char *seq = (char *)alloca (1 + strlen (string));
- register int j, k = 0;
- int passc = 0;
+ char *seq;
+ register int j, k, passc;
- for (j = 1; string[j]; j++)
+ seq = (char *)xmalloc (1 + strlen (string));
+ for (j = 1, k = passc = 0; string[j]; j++)
{
/* Allow backslash to quote characters, but leave them in place.
This allows a string to end with a backslash quoting another
rl_macro_bind (seq, &funname[1], _rl_keymap);
}
else
- rl_set_key (seq, rl_named_function (funname), _rl_keymap);
+ rl_bind_keyseq (seq, rl_named_function (funname));
- return;
+ xfree (seq);
+ return 0;
}
/* Get the actual character we want to deal with. */
- kname = (char*) strrchr (string, '-');
+ kname = strrchr (string, '-');
if (!kname)
kname = string;
else
key = glean_key_from_name (kname);
/* Add in control and meta bits. */
- if (substring_member_of_array (string, possible_control_prefixes))
- key = CTRL (to_upper (key));
+ if (substring_member_of_array (string, _rl_possible_control_prefixes))
+ key = CTRL (_rl_to_upper (key));
- if (substring_member_of_array (string, possible_meta_prefixes))
+ if (substring_member_of_array (string, _rl_possible_meta_prefixes))
key = META (key);
/* Temporary. Handle old-style keyname with macro-binding. */
if (*funname == '\'' || *funname == '"')
{
- char seq[2];
+ char useq[2];
int fl = strlen (funname);
- seq[0] = key; seq[1] = '\0';
+ useq[0] = key; useq[1] = '\0';
if (fl && funname[fl - 1] == *funname)
funname[fl - 1] = '\0';
- rl_macro_bind (seq, &funname[1], _rl_keymap);
+ rl_macro_bind (useq, &funname[1], _rl_keymap);
}
#if defined (PREFIX_META_HACK)
/* Ugly, but working hack to keep prefix-meta around. */
- else if (stricmp (funname, "prefix-meta") == 0)
+ else if (_rl_stricmp (funname, "prefix-meta") == 0)
{
char seq[2];
#endif /* PREFIX_META_HACK */
else
rl_bind_key (key, rl_named_function (funname));
+ return 0;
}
/* Simple structure for boolean readline variables (i.e., those that can
have one of two values; either "On" or 1 for truth, or "Off" or 0 for
false. */
-static struct {
- char *name;
+#define V_SPECIAL 0x1
+
+static const struct {
+ const char * const name;
int *value;
+ int flags;
} boolean_varlist [] = {
- { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode },
- { "mark-modified-lines", &_rl_mark_modified_lines },
- { "prefer-visible-bell", &_rl_prefer_visible_bell },
- { "meta-flag", &_rl_meta_flag },
- { "blink-matching-paren", &rl_blink_matching_paren },
- { "convert-meta", &_rl_convert_meta_chars_to_ascii },
+ { "bind-tty-special-chars", &_rl_bind_stty_chars, 0 },
+ { "blink-matching-paren", &rl_blink_matching_paren, V_SPECIAL },
+ { "byte-oriented", &rl_byte_oriented, 0 },
+ { "completion-ignore-case", &_rl_completion_case_fold, 0 },
+ { "completion-map-case", &_rl_completion_case_map, 0 },
+ { "convert-meta", &_rl_convert_meta_chars_to_ascii, 0 },
+ { "disable-completion", &rl_inhibit_completion, 0 },
+ { "echo-control-characters", &_rl_echo_control_chars, 0 },
+ { "enable-keypad", &_rl_enable_keypad, 0 },
+ { "enable-meta-key", &_rl_enable_meta, 0 },
+ { "expand-tilde", &rl_complete_with_tilde_expansion, 0 },
+ { "history-preserve-point", &_rl_history_preserve_point, 0 },
+ { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode, 0 },
+ { "input-meta", &_rl_meta_flag, 0 },
+ { "mark-directories", &_rl_complete_mark_directories, 0 },
+ { "mark-modified-lines", &_rl_mark_modified_lines, 0 },
+ { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 },
+ { "match-hidden-files", &_rl_match_hidden_files, 0 },
+ { "menu-complete-display-prefix", &_rl_menu_complete_prefix_first, 0 },
+ { "meta-flag", &_rl_meta_flag, 0 },
+ { "output-meta", &_rl_output_meta_chars, 0 },
+ { "page-completions", &_rl_page_completions, 0 },
+ { "prefer-visible-bell", &_rl_prefer_visible_bell, V_SPECIAL },
+ { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 },
+ { "revert-all-at-newline", &_rl_revert_all_at_newline, 0 },
+ { "show-all-if-ambiguous", &_rl_complete_show_all, 0 },
+ { "show-all-if-unmodified", &_rl_complete_show_unmodified, 0 },
+ { "skip-completed-text", &_rl_skip_completed_text, 0 },
#if defined (VISIBLE_STATS)
- { "visible-stats", &rl_visible_stats },
+ { "visible-stats", &rl_visible_stats, 0 },
#endif /* VISIBLE_STATS */
- { "expand-tilde", &rl_complete_with_tilde_expansion },
- { (char *)NULL, (int *)NULL }
+ { (char *)NULL, (int *)NULL, 0 }
};
-rl_variable_bind (name, value)
- char *name, *value;
+static int
+find_boolean_var (name)
+ const char *name;
{
register int i;
- /* Check for simple variables first. */
for (i = 0; boolean_varlist[i].name; i++)
+ if (_rl_stricmp (name, boolean_varlist[i].name) == 0)
+ return i;
+ return -1;
+}
+
+/* Hooks for handling special boolean variables, where a
+ function needs to be called or another variable needs
+ to be changed when they're changed. */
+static void
+hack_special_boolean_var (i)
+ int i;
+{
+ const char *name;
+
+ name = boolean_varlist[i].name;
+
+ if (_rl_stricmp (name, "blink-matching-paren") == 0)
+ _rl_enable_paren_matching (rl_blink_matching_paren);
+ else if (_rl_stricmp (name, "prefer-visible-bell") == 0)
{
- if (stricmp (name, boolean_varlist[i].name) == 0)
- {
- /* A variable is TRUE if the "value" is "on", "1" or "". */
- if ((!*value) ||
- (stricmp (value, "On") == 0) ||
- (value[0] == '1' && value[1] == '\0'))
- *boolean_varlist[i].value = 1;
- else
- *boolean_varlist[i].value = 0;
- return;
- }
+ if (_rl_prefer_visible_bell)
+ _rl_bell_preference = VISIBLE_BELL;
+ else
+ _rl_bell_preference = AUDIBLE_BELL;
}
+}
+
+typedef int _rl_sv_func_t PARAMS((const char *));
+
+/* These *must* correspond to the array indices for the appropriate
+ string variable. (Though they're not used right now.) */
+#define V_BELLSTYLE 0
+#define V_COMBEGIN 1
+#define V_EDITMODE 2
+#define V_ISRCHTERM 3
+#define V_KEYMAP 4
+
+#define V_STRING 1
+#define V_INT 2
+
+/* Forward declarations */
+static int sv_bell_style PARAMS((const char *));
+static int sv_combegin PARAMS((const char *));
+static int sv_dispprefix PARAMS((const char *));
+static int sv_compquery PARAMS((const char *));
+static int sv_compwidth PARAMS((const char *));
+static int sv_editmode PARAMS((const char *));
+static int sv_histsize PARAMS((const char *));
+static int sv_isrchterm PARAMS((const char *));
+static int sv_keymap PARAMS((const char *));
+
+static const struct {
+ const char * const name;
+ int flags;
+ _rl_sv_func_t *set_func;
+} string_varlist[] = {
+ { "bell-style", V_STRING, sv_bell_style },
+ { "comment-begin", V_STRING, sv_combegin },
+ { "completion-display-width", V_INT, sv_compwidth },
+ { "completion-prefix-display-length", V_INT, sv_dispprefix },
+ { "completion-query-items", V_INT, sv_compquery },
+ { "editing-mode", V_STRING, sv_editmode },
+ { "history-size", V_INT, sv_histsize },
+ { "isearch-terminators", V_STRING, sv_isrchterm },
+ { "keymap", V_STRING, sv_keymap },
+ { (char *)NULL, 0, (_rl_sv_func_t *)0 }
+};
+
+static int
+find_string_var (name)
+ const char *name;
+{
+ register int i;
+
+ for (i = 0; string_varlist[i].name; i++)
+ if (_rl_stricmp (name, string_varlist[i].name) == 0)
+ return i;
+ return -1;
+}
- /* Not a boolean variable, so check for specials. */
+/* A boolean value that can appear in a `set variable' command is true if
+ the value is null or empty, `on' (case-insenstive), or "1". Any other
+ values result in 0 (false). */
+static int
+bool_to_int (value)
+ const char *value;
+{
+ return (value == 0 || *value == '\0' ||
+ (_rl_stricmp (value, "on") == 0) ||
+ (value[0] == '1' && value[1] == '\0'));
+}
+
+char *
+rl_variable_value (name)
+ const char *name;
+{
+ register int i;
+
+ /* Check for simple variables first. */
+ i = find_boolean_var (name);
+ if (i >= 0)
+ return (*boolean_varlist[i].value ? "on" : "off");
- /* Editing mode change? */
- if (stricmp (name, "editing-mode") == 0)
+ i = find_string_var (name);
+ if (i >= 0)
+ return (_rl_get_string_variable_value (string_varlist[i].name));
+
+ /* Unknown variable names return NULL. */
+ return 0;
+}
+
+int
+rl_variable_bind (name, value)
+ const char *name, *value;
+{
+ register int i;
+ int v;
+
+ /* Check for simple variables first. */
+ i = find_boolean_var (name);
+ if (i >= 0)
+ {
+ *boolean_varlist[i].value = bool_to_int (value);
+ if (boolean_varlist[i].flags & V_SPECIAL)
+ hack_special_boolean_var (i);
+ return 0;
+ }
+
+ i = find_string_var (name);
+
+ /* For the time being, unknown variable names or string names without a
+ handler function are simply ignored. */
+ if (i < 0 || string_varlist[i].set_func == 0)
+ return 0;
+
+ v = (*string_varlist[i].set_func) (value);
+ return v;
+}
+
+static int
+sv_editmode (value)
+ const char *value;
+{
+ if (_rl_strnicmp (value, "vi", 2) == 0)
{
- if (strnicmp (value, "vi", 2) == 0)
- {
#if defined (VI_MODE)
- _rl_keymap = vi_insertion_keymap;
- rl_editing_mode = vi_mode;
-#else
-#if defined (NOTDEF)
- /* What state is the terminal in? I'll tell you:
- non-determinate! That means we cannot do any output. */
- ding ();
-#endif /* NOTDEF */
+ _rl_keymap = vi_insertion_keymap;
+ rl_editing_mode = vi_mode;
#endif /* VI_MODE */
- }
- else if (strnicmp (value, "emacs", 5) == 0)
- {
- _rl_keymap = emacs_standard_keymap;
- rl_editing_mode = emacs_mode;
- }
+ return 0;
+ }
+ else if (_rl_strnicmp (value, "emacs", 5) == 0)
+ {
+ _rl_keymap = emacs_standard_keymap;
+ rl_editing_mode = emacs_mode;
+ return 0;
}
+ return 1;
+}
- /* Comment string change? */
- else if (stricmp (name, "comment-begin") == 0)
+static int
+sv_combegin (value)
+ const char *value;
+{
+ if (value && *value)
{
-#if defined (VI_MODE)
- extern char *rl_vi_comment_begin;
+ FREE (_rl_comment_begin);
+ _rl_comment_begin = savestring (value);
+ return 0;
+ }
+ return 1;
+}
- if (*value)
- {
- if (rl_vi_comment_begin)
- free (rl_vi_comment_begin);
+static int
+sv_dispprefix (value)
+ const char *value;
+{
+ int nval = 0;
- rl_vi_comment_begin = savestring (value);
- }
-#endif /* VI_MODE */
+ if (value && *value)
+ {
+ nval = atoi (value);
+ if (nval < 0)
+ nval = 0;
}
- else if (stricmp (name, "completion-query-items") == 0)
+ _rl_completion_prefix_display_length = nval;
+ return 0;
+}
+
+static int
+sv_compquery (value)
+ const char *value;
+{
+ int nval = 100;
+
+ if (value && *value)
{
- int nval = 100;
- if (*value)
- {
- nval = atoi (value);
- if (nval < 0)
- nval = 0;
- }
- rl_completion_query_items = nval;
+ nval = atoi (value);
+ if (nval < 0)
+ nval = 0;
+ }
+ rl_completion_query_items = nval;
+ return 0;
+}
+
+static int
+sv_compwidth (value)
+ const char *value;
+{
+ int nval = -1;
+
+ if (value && *value)
+ nval = atoi (value);
+
+ _rl_completion_columns = nval;
+ return 0;
+}
+
+static int
+sv_histsize (value)
+ const char *value;
+{
+ int nval = 500;
+
+ if (value && *value)
+ {
+ nval = atoi (value);
+ if (nval < 0)
+ return 1;
}
+ stifle_history (nval);
+ return 0;
+}
+
+static int
+sv_keymap (value)
+ const char *value;
+{
+ Keymap kmap;
+
+ kmap = rl_get_keymap_by_name (value);
+ if (kmap)
+ {
+ rl_set_keymap (kmap);
+ return 0;
+ }
+ return 1;
}
+static int
+sv_bell_style (value)
+ const char *value;
+{
+ if (value == 0 || *value == '\0')
+ _rl_bell_preference = AUDIBLE_BELL;
+ else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0)
+ _rl_bell_preference = NO_BELL;
+ else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0)
+ _rl_bell_preference = AUDIBLE_BELL;
+ else if (_rl_stricmp (value, "visible") == 0)
+ _rl_bell_preference = VISIBLE_BELL;
+ else
+ return 1;
+ return 0;
+}
+
+static int
+sv_isrchterm (value)
+ const char *value;
+{
+ int beg, end, delim;
+ char *v;
+
+ if (value == 0)
+ return 1;
+
+ /* Isolate the value and translate it into a character string. */
+ v = savestring (value);
+ FREE (_rl_isearch_terminators);
+ if (v[0] == '"' || v[0] == '\'')
+ {
+ delim = v[0];
+ for (beg = end = 1; v[end] && v[end] != delim; end++)
+ ;
+ }
+ else
+ {
+ for (beg = end = 0; whitespace (v[end]) == 0; end++)
+ ;
+ }
+
+ v[end] = '\0';
+
+ /* The value starts at v + beg. Translate it into a character string. */
+ _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1);
+ rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end);
+ _rl_isearch_terminators[end] = '\0';
+
+ xfree (v);
+ return 0;
+}
+
/* Return the character which matches NAME.
For example, `Space' returns ' '. */
typedef struct {
- char *name;
+ const char * const name;
int value;
} assoc_list;
-static assoc_list name_key_alist[] = {
+static const assoc_list name_key_alist[] = {
{ "DEL", 0x7f },
{ "ESC", '\033' },
{ "Escape", '\033' },
register int i;
for (i = 0; name_key_alist[i].name; i++)
- if (stricmp (name, name_key_alist[i].name) == 0)
+ if (_rl_stricmp (name, name_key_alist[i].name) == 0)
return (name_key_alist[i].value);
return (*(unsigned char *)name); /* XXX was return (*name) */
}
/* Auxiliary functions to manage keymaps. */
-static struct {
- char *name;
+static const struct {
+ const char * const name;
Keymap map;
} keymap_names[] = {
{ "emacs", emacs_standard_keymap },
Keymap
rl_get_keymap_by_name (name)
- char *name;
+ const char *name;
{
register int i;
for (i = 0; keymap_names[i].name; i++)
- if (strcmp (name, keymap_names[i].name) == 0)
+ if (_rl_stricmp (name, keymap_names[i].name) == 0)
return (keymap_names[i].map);
return ((Keymap) NULL);
}
+char *
+rl_get_keymap_name (map)
+ Keymap map;
+{
+ register int i;
+ for (i = 0; keymap_names[i].name; i++)
+ if (map == keymap_names[i].map)
+ return ((char *)keymap_names[i].name);
+ return ((char *)NULL);
+}
+
void
rl_set_keymap (map)
Keymap map;
{
if (rl_editing_mode == emacs_mode)
_rl_keymap = emacs_standard_keymap;
+#if defined (VI_MODE)
else if (rl_editing_mode == vi_mode)
_rl_keymap = vi_insertion_keymap;
+#endif /* VI_MODE */
}
-\f
+
+char *
+rl_get_keymap_name_from_edit_mode ()
+{
+ if (rl_editing_mode == emacs_mode)
+ return "emacs";
+#if defined (VI_MODE)
+ else if (rl_editing_mode == vi_mode)
+ return "vi";
+#endif /* VI_MODE */
+ else
+ return "none";
+}
+
/* **************************************************************** */
/* */
/* Key Binding and Function Information */
/* Each of the following functions produces information about the
state of keybindings and functions known to Readline. The info
is always printed to rl_outstream, and in such a way that it can
- be read back in (i.e., passed to rl_parse_and_bind (). */
+ be read back in (i.e., passed to rl_parse_and_bind ()). */
/* Print the names of functions known to Readline. */
void
-rl_list_funmap_names (ignore)
- int ignore;
+rl_list_funmap_names ()
{
register int i;
- char **funmap_names;
+ const char **funmap_names;
funmap_names = rl_funmap_names ();
for (i = 0; funmap_names[i]; i++)
fprintf (rl_outstream, "%s\n", funmap_names[i]);
- free (funmap_names);
+ xfree (funmap_names);
+}
+
+static char *
+_rl_get_keyname (key)
+ int key;
+{
+ char *keyname;
+ int i, c;
+
+ keyname = (char *)xmalloc (8);
+
+ c = key;
+ /* Since this is going to be used to write out keysequence-function
+ pairs for possible inclusion in an inputrc file, we don't want to
+ do any special meta processing on KEY. */
+
+#if 1
+ /* XXX - Experimental */
+ /* We might want to do this, but the old version of the code did not. */
+
+ /* If this is an escape character, we don't want to do any more processing.
+ Just add the special ESC key sequence and return. */
+ if (c == ESC)
+ {
+ keyname[0] = '\\';
+ keyname[1] = 'e';
+ keyname[2] = '\0';
+ return keyname;
+ }
+#endif
+
+ /* RUBOUT is translated directly into \C-? */
+ if (key == RUBOUT)
+ {
+ keyname[0] = '\\';
+ keyname[1] = 'C';
+ keyname[2] = '-';
+ keyname[3] = '?';
+ keyname[4] = '\0';
+ return keyname;
+ }
+
+ i = 0;
+ /* Now add special prefixes needed for control characters. This can
+ potentially change C. */
+ if (CTRL_CHAR (c))
+ {
+ keyname[i++] = '\\';
+ keyname[i++] = 'C';
+ keyname[i++] = '-';
+ c = _rl_to_lower (UNCTRL (c));
+ }
+
+ /* XXX experimental code. Turn the characters that are not ASCII or
+ ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237).
+ This changes C. */
+ if (c >= 128 && c <= 159)
+ {
+ keyname[i++] = '\\';
+ keyname[i++] = '2';
+ c -= 128;
+ keyname[i++] = (c / 8) + '0';
+ c = (c % 8) + '0';
+ }
+
+ /* Now, if the character needs to be quoted with a backslash, do that. */
+ if (c == '\\' || c == '"')
+ keyname[i++] = '\\';
+
+ /* Now add the key, terminate the string, and return it. */
+ keyname[i++] = (char) c;
+ keyname[i] = '\0';
+
+ return keyname;
}
/* Return a NULL terminated array of strings which represent the key
sequences that are used to invoke FUNCTION in MAP. */
-static char **
-invoking_keyseqs_in_map (function, map)
- Function *function;
+char **
+rl_invoking_keyseqs_in_map (function, map)
+ rl_command_func_t *function;
Keymap map;
{
register int key;
result = (char **)NULL;
result_index = result_size = 0;
- for (key = 0; key < 128; key++)
+ for (key = 0; key < KEYMAP_SIZE; key++)
{
switch (map[key].type)
{
then add the current KEY to the list of invoking keys. */
if (map[key].function == function)
{
- char *keyname = (char *)xmalloc (5);
+ char *keyname;
- if (CTRL_P (key))
- sprintf (keyname, "\\C-%c", to_lower (UNCTRL (key)));
- else if (key == RUBOUT)
- sprintf (keyname, "\\C-?");
- else if (key == '\\' || key == '"')
- {
- keyname[0] = '\\';
- keyname[1] = (char) key;
- keyname[2] = '\0';
- }
- else
- {
- keyname[0] = (char) key;
- keyname[1] = '\0';
- }
+ keyname = _rl_get_keyname (key);
if (result_index + 2 > result_size)
- result = (char **) xrealloc
- (result, (result_size += 10) * sizeof (char *));
+ {
+ result_size += 10;
+ result = (char **)xrealloc (result, result_size * sizeof (char *));
+ }
result[result_index++] = keyname;
result[result_index] = (char *)NULL;
case ISKMAP:
{
- char **seqs = (char **)NULL;
+ char **seqs;
+ register int i;
/* Find the list of keyseqs in this map which have FUNCTION as
their target. Add the key sequences found to RESULT. */
if (map[key].function)
seqs =
- invoking_keyseqs_in_map (function, (Keymap)map[key].function);
+ rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key));
+ else
+ break;
+
+ if (seqs == 0)
+ break;
- if (seqs)
+ for (i = 0; seqs[i]; i++)
{
- register int i;
+ char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));
- for (i = 0; seqs[i]; i++)
+ if (key == ESC)
{
- char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));
-
- if (key == ESC)
- sprintf (keyname, "\\e");
- else if (CTRL_P (key))
- sprintf (keyname, "\\C-%c", to_lower (UNCTRL (key)));
- else if (key == RUBOUT)
- sprintf (keyname, "\\C-?");
- else if (key == '\\' || key == '"')
- {
- keyname[0] = '\\';
- keyname[1] = (char) key;
- keyname[2] = '\0';
- }
+ /* If ESC is the meta prefix and we're converting chars
+ with the eighth bit set to ESC-prefixed sequences, then
+ we can use \M-. Otherwise we need to use the sequence
+ for ESC. */
+ if (_rl_convert_meta_chars_to_ascii && map[ESC].type == ISKMAP)
+ sprintf (keyname, "\\M-");
else
- {
- keyname[0] = (char) key;
- keyname[1] = '\0';
- }
-
- strcat (keyname, seqs[i]);
-
- if (result_index + 2 > result_size)
- result = (char **) xrealloc
- (result, (result_size += 10) * sizeof (char *));
+ sprintf (keyname, "\\e");
+ }
+ else if (CTRL_CHAR (key))
+ sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key)));
+ else if (key == RUBOUT)
+ sprintf (keyname, "\\C-?");
+ else if (key == '\\' || key == '"')
+ {
+ keyname[0] = '\\';
+ keyname[1] = (char) key;
+ keyname[2] = '\0';
+ }
+ else
+ {
+ keyname[0] = (char) key;
+ keyname[1] = '\0';
+ }
+
+ strcat (keyname, seqs[i]);
+ xfree (seqs[i]);
- result[result_index++] = keyname;
- result[result_index] = (char *)NULL;
+ if (result_index + 2 > result_size)
+ {
+ result_size += 10;
+ result = (char **)xrealloc (result, result_size * sizeof (char *));
}
+
+ result[result_index++] = keyname;
+ result[result_index] = (char *)NULL;
}
+
+ xfree (seqs);
}
break;
}
sequences that can be used to invoke FUNCTION using the current keymap. */
char **
rl_invoking_keyseqs (function)
- Function *function;
-{
- return (invoking_keyseqs_in_map (function, _rl_keymap));
-}
-
-/* Print all of the current functions and their bindings to
- rl_outstream. If an explicit argument is given, then print
- the output in such a way that it can be read back in. */
-int
-rl_dump_functions (count)
- int count;
+ rl_command_func_t *function;
{
- void rl_function_dumper ();
-
- rl_function_dumper (rl_explicit_arg);
- rl_on_new_line ();
- return (0);
+ return (rl_invoking_keyseqs_in_map (function, _rl_keymap));
}
/* Print all of the functions and their bindings to rl_outstream. If
int print_readably;
{
register int i;
- char **names;
- char *name;
+ const char **names;
+ const char *name;
names = rl_funmap_names ();
for (i = 0; name = names[i]; i++)
{
- Function *function;
+ rl_command_func_t *function;
char **invokers;
function = rl_named_function (name);
- invokers = invoking_keyseqs_in_map (function, _rl_keymap);
+ invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap);
if (print_readably)
{
{
fprintf (rl_outstream, "\"%s\": %s\n",
invokers[j], name);
- free (invokers[j]);
+ xfree (invokers[j]);
}
- free (invokers);
+ xfree (invokers);
}
}
else
fprintf (rl_outstream, "...\n");
for (j = 0; invokers[j]; j++)
- free (invokers[j]);
+ xfree (invokers[j]);
- free (invokers);
+ xfree (invokers);
}
}
}
+ free (names);
}
-\f
-/* **************************************************************** */
-/* */
-/* String Utility Functions */
-/* */
-/* **************************************************************** */
-
-static char *strindex ();
+/* Print all of the current functions and their bindings to
+ rl_outstream. If an explicit argument is given, then print
+ the output in such a way that it can be read back in. */
+int
+rl_dump_functions (count, key)
+ int count, key;
+{
+ if (rl_dispatching)
+ fprintf (rl_outstream, "\r\n");
+ rl_function_dumper (rl_explicit_arg);
+ rl_on_new_line ();
+ return (0);
+}
-/* Return non-zero if any members of ARRAY are a substring in STRING. */
-static int
-substring_member_of_array (string, array)
- char *string, **array;
+static void
+_rl_macro_dumper_internal (print_readably, map, prefix)
+ int print_readably;
+ Keymap map;
+ char *prefix;
{
- while (*array)
+ register int key;
+ char *keyname, *out;
+ int prefix_len;
+
+ for (key = 0; key < KEYMAP_SIZE; key++)
{
- if (strindex (string, *array))
- return (1);
- array++;
+ switch (map[key].type)
+ {
+ case ISMACR:
+ keyname = _rl_get_keyname (key);
+ out = _rl_untranslate_macro_value ((char *)map[key].function);
+
+ if (print_readably)
+ fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "",
+ keyname,
+ out ? out : "");
+ else
+ fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "",
+ keyname,
+ out ? out : "");
+ xfree (keyname);
+ xfree (out);
+ break;
+ case ISFUNC:
+ break;
+ case ISKMAP:
+ prefix_len = prefix ? strlen (prefix) : 0;
+ if (key == ESC)
+ {
+ keyname = (char *)xmalloc (3 + prefix_len);
+ if (prefix)
+ strcpy (keyname, prefix);
+ keyname[prefix_len] = '\\';
+ keyname[prefix_len + 1] = 'e';
+ keyname[prefix_len + 2] = '\0';
+ }
+ else
+ {
+ keyname = _rl_get_keyname (key);
+ if (prefix)
+ {
+ out = (char *)xmalloc (strlen (keyname) + prefix_len + 1);
+ strcpy (out, prefix);
+ strcpy (out + prefix_len, keyname);
+ xfree (keyname);
+ keyname = out;
+ }
+ }
+
+ _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname);
+ xfree (keyname);
+ break;
+ }
}
- return (0);
}
-/* Whoops, Unix doesn't have strnicmp. */
+void
+rl_macro_dumper (print_readably)
+ int print_readably;
+{
+ _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL);
+}
+
+int
+rl_dump_macros (count, key)
+ int count, key;
+{
+ if (rl_dispatching)
+ fprintf (rl_outstream, "\r\n");
+ rl_macro_dumper (rl_explicit_arg);
+ rl_on_new_line ();
+ return (0);
+}
-/* Compare at most COUNT characters from string1 to string2. Case
- doesn't matter. */
-static int
-strnicmp (string1, string2, count)
- char *string1, *string2;
+static char *
+_rl_get_string_variable_value (name)
+ const char *name;
{
- register char ch1, ch2;
+ static char numbuf[32];
+ char *ret;
- while (count)
+ if (_rl_stricmp (name, "bell-style") == 0)
{
- ch1 = *string1++;
- ch2 = *string2++;
- if (to_upper(ch1) == to_upper(ch2))
- count--;
- else break;
+ switch (_rl_bell_preference)
+ {
+ case NO_BELL:
+ return "none";
+ case VISIBLE_BELL:
+ return "visible";
+ case AUDIBLE_BELL:
+ default:
+ return "audible";
+ }
}
- return (count);
+ else if (_rl_stricmp (name, "comment-begin") == 0)
+ return (_rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
+ else if (_rl_stricmp (name, "completion-display-width") == 0)
+ {
+ sprintf (numbuf, "%d", _rl_completion_columns);
+ return (numbuf);
+ }
+ else if (_rl_stricmp (name, "completion-prefix-display-length") == 0)
+ {
+ sprintf (numbuf, "%d", _rl_completion_prefix_display_length);
+ return (numbuf);
+ }
+ else if (_rl_stricmp (name, "completion-query-items") == 0)
+ {
+ sprintf (numbuf, "%d", rl_completion_query_items);
+ return (numbuf);
+ }
+ else if (_rl_stricmp (name, "editing-mode") == 0)
+ return (rl_get_keymap_name_from_edit_mode ());
+ else if (_rl_stricmp (name, "history-size") == 0)
+ {
+ sprintf (numbuf, "%d", history_is_stifled() ? history_max_entries : 0);
+ return (numbuf);
+ }
+ else if (_rl_stricmp (name, "isearch-terminators") == 0)
+ {
+ if (_rl_isearch_terminators == 0)
+ return 0;
+ ret = _rl_untranslate_macro_value (_rl_isearch_terminators);
+ if (ret)
+ {
+ strncpy (numbuf, ret, sizeof (numbuf) - 1);
+ xfree (ret);
+ numbuf[sizeof(numbuf) - 1] = '\0';
+ }
+ else
+ numbuf[0] = '\0';
+ return numbuf;
+ }
+ else if (_rl_stricmp (name, "keymap") == 0)
+ {
+ ret = rl_get_keymap_name (_rl_keymap);
+ if (ret == 0)
+ ret = rl_get_keymap_name_from_edit_mode ();
+ return (ret ? ret : "none");
+ }
+ else
+ return (0);
}
-/* strcmp (), but caseless. */
-static int
-stricmp (string1, string2)
- char *string1, *string2;
+void
+rl_variable_dumper (print_readably)
+ int print_readably;
{
- register char ch1, ch2;
+ int i;
+ char *v;
- while (*string1 && *string2)
+ for (i = 0; boolean_varlist[i].name; i++)
{
- ch1 = *string1++;
- ch2 = *string2++;
- if (to_upper(ch1) != to_upper(ch2))
- return (1);
+ if (print_readably)
+ fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name,
+ *boolean_varlist[i].value ? "on" : "off");
+ else
+ fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name,
+ *boolean_varlist[i].value ? "on" : "off");
+ }
+
+ for (i = 0; string_varlist[i].name; i++)
+ {
+ v = _rl_get_string_variable_value (string_varlist[i].name);
+ if (v == 0) /* _rl_isearch_terminators can be NULL */
+ continue;
+ if (print_readably)
+ fprintf (rl_outstream, "set %s %s\n", string_varlist[i].name, v);
+ else
+ fprintf (rl_outstream, "%s is set to `%s'\n", string_varlist[i].name, v);
}
- return (*string1 | *string2);
}
-/* Determine if s2 occurs in s1. If so, return a pointer to the
- match in s1. The compare is case insensitive. */
-static char *
-strindex (s1, s2)
- register char *s1, *s2;
+/* Print all of the current variables and their values to
+ rl_outstream. If an explicit argument is given, then print
+ the output in such a way that it can be read back in. */
+int
+rl_dump_variables (count, key)
+ int count, key;
{
- register int i, l = strlen (s2);
- register int len = strlen (s1);
+ if (rl_dispatching)
+ fprintf (rl_outstream, "\r\n");
+ rl_variable_dumper (rl_explicit_arg);
+ rl_on_new_line ();
+ return (0);
+}
- for (i = 0; (len - i) >= l; i++)
- if (strnicmp (&s1[i], s2, l) == 0)
- return (s1 + i);
- return ((char *)NULL);
+/* Return non-zero if any members of ARRAY are a substring in STRING. */
+static int
+substring_member_of_array (string, array)
+ const char *string;
+ const char * const *array;
+{
+ while (*array)
+ {
+ if (_rl_strindex (string, *array))
+ return (1);
+ array++;
+ }
+ return (0);
}
projects / external / binutils.git / blobdiff