bind.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:47k
- /* bind.c -- key binding and startup file support for the readline library. */
- /* Copyright (C) 1987, 1989, 1992 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.
- 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
- (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
- 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. */
- #define READLINE_LIBRARY
- #if defined (HAVE_CONFIG_H)
- # include <config.h>
- #endif
- #include <stdio.h>
- #include <sys/types.h>
- #include <fcntl.h>
- #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 <signal.h>
- #include <errno.h>
- #if !defined (errno)
- extern int errno;
- #endif /* !errno */
- #include "posixstat.h"
- /* System-specific feature definitions and include files. */
- #include "rldefs.h"
- /* Some standard library routines. */
- #include "readline.h"
- #include "history.h"
- #if !defined (strchr) && !defined (__STDC__)
- extern char *strchr (), *strrchr ();
- #endif /* !strchr && !__STDC__ */
- extern int _rl_horizontal_scroll_mode;
- extern int _rl_mark_modified_lines;
- extern int _rl_bell_preference;
- extern int _rl_meta_flag;
- extern int _rl_convert_meta_chars_to_ascii;
- extern int _rl_output_meta_chars;
- extern int _rl_complete_show_all;
- extern int _rl_complete_mark_directories;
- extern int _rl_print_completions_horizontally;
- extern int _rl_completion_case_fold;
- extern int _rl_enable_keypad;
- #if defined (PAREN_MATCHING)
- extern int rl_blink_matching_paren;
- #endif /* PAREN_MATCHING */
- #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_inhibit_completion;
- extern char *_rl_comment_begin;
- extern unsigned char *_rl_isearch_terminators;
- extern int rl_explicit_arg;
- extern int rl_editing_mode;
- extern unsigned char _rl_parsing_conditionalized_out;
- extern Keymap _rl_keymap;
- extern char *possible_control_prefixes[], *possible_meta_prefixes[];
- /* Functions imported from funmap.c */
- extern char **rl_funmap_names ();
- extern int rl_add_funmap_entry ();
- /* Functions imported from util.c */
- extern char *_rl_strindex ();
- /* Functions imported from shell.c */
- extern char *get_env_value ();
- /* Variables exported by this file. */
- Keymap rl_binding_keymap;
- /* Forward declarations */
- void rl_set_keymap_from_edit_mode ();
- static int _rl_read_init_file ();
- static int glean_key_from_name ();
- static int substring_member_of_array ();
- extern char *xmalloc (), *xrealloc ();
- /* **************************************************************** */
- /* */
- /* Binding keys */
- /* */
- /* **************************************************************** */
- /* rl_add_defun (char *name, Function *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;
- 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;
- {
- if (key < 0)
- return (key);
- if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
- {
- if (_rl_keymap[ESC].type == ISKMAP)
- {
- Keymap escmap;
- escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC);
- key = UNMETA (key);
- escmap[key].type = ISFUNC;
- escmap[key].function = function;
- return (0);
- }
- return (key);
- }
- _rl_keymap[key].type = ISFUNC;
- _rl_keymap[key].function = function;
- rl_binding_keymap = _rl_keymap;
- return (0);
- }
- /* Bind KEY to FUNCTION in MAP. Returns non-zero in case of invalid
- KEY. */
- int
- rl_bind_key_in_map (key, function, map)
- int key;
- Function *function;
- Keymap map;
- {
- int result;
- Keymap oldmap;
- oldmap = _rl_keymap;
- _rl_keymap = map;
- result = rl_bind_key (key, function);
- _rl_keymap = oldmap;
- return (result);
- }
- /* 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));
- }
- /* Make KEY do nothing in MAP.
- Returns non-zero in case of error. */
- int
- rl_unbind_key_in_map (key, map)
- int key;
- Keymap map;
- {
- return (rl_bind_key_in_map (key, (Function *)NULL, map));
- }
- /* Unbind all keys bound to FUNCTION in MAP. */
- int
- rl_unbind_function_in_map (func, map)
- Function *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 = (Function *)NULL;
- rval = 1;
- }
- }
- return rval;
- }
- int
- rl_unbind_command_in_map (command, map)
- char *command;
- Keymap map;
- {
- Function *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. This makes new keymaps as necessary. The initial
- place to do bindings is in MAP. */
- int
- rl_set_key (keyseq, function, map)
- char *keyseq;
- Function *function;
- Keymap map;
- {
- return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
- }
- /* 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;
- Keymap map;
- {
- char *macro_keys;
- int macro_keys_len;
- macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1);
- if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len))
- {
- free (macro_keys);
- return -1;
- }
- rl_generic_bind (ISMACR, keyseq, macro_keys, map);
- return 0;
- }
- /* Bind the key sequence represented by the string KEYSEQ to
- the arbitrary pointer DATA. TYPE says what kind of data is
- 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. */
- int
- rl_generic_bind (type, keyseq, data, map)
- int type;
- char *keyseq, *data;
- Keymap map;
- {
- char *keys;
- int keys_len;
- register int i;
- /* If no keys to bind to, exit right away. */
- if (!keyseq || !*keyseq)
- {
- if (type == ISMACR)
- free (data);
- return -1;
- }
- keys = 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))
- {
- free (keys);
- return -1;
- }
- /* Bind keys, making new keymaps as necessary. */
- for (i = 0; i < keys_len; i++)
- {
- int ic = (int) ((unsigned char)keys[i]);
- if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic))
- {
- ic = UNMETA (ic);
- if (map[ESC].type == ISKMAP)
- 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);
- map[ic].type = ISKMAP;
- map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap());
- }
- map = FUNCTION_TO_KEYMAP (map, ic);
- }
- else
- {
- if (map[ic].type == ISMACR)
- free ((char *)map[ic].function);
- map[ic].function = KEYMAP_TO_FUNCTION (data);
- map[ic].type = type;
- }
- rl_binding_keymap = map;
- }
- free (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;
- int *len;
- {
- register int i, c, l, temp;
- for (i = l = 0; (c = seq[i]); i++)
- {
- if (c == '\')
- {
- c = seq[++i];
- if (c == 0)
- break;
- /* 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;
- i += 5;
- array[l++] = CTRL (_rl_to_upper (seq[i]));
- if (seq[i] == ' ')
- i--;
- }
- else if (c == 'M')
- {
- i++;
- array[l++] = ESC; /* XXX */
- }
- else if (c == 'C')
- {
- i += 2;
- /* Special hack for C-?... */
- 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++] = ' 07';
- 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 + 1);
- break;
- case 'x':
- i++;
- for (temp = 3, c = 0; isxdigit (seq[i]) && temp--; i++)
- c = (c * 16) + HEXVALUE (seq[i]);
- if (temp == 3)
- c = 'x';
- i--; /* auto-increment in for loop */
- array[l++] = c % (largest_char + 1);
- break;
- default: /* backslashes before non-special chars just add the char */
- array[l++] = c;
- break; /* the backslash is stripped */
- }
- continue;
- }
- array[l++] = c;
- }
- *len = l;
- array[l] = ' ';
- 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 (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] = ' ';
- return kseq;
- }
- static char *
- _rl_untranslate_macro_value (seq)
- char *seq;
- {
- char *ret, *r, *s;
- int c;
- r = ret = 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 (CTRL_CHAR (c) && c != ESC)
- {
- *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 = ' ';
- 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_named_function (string)
- char *string;
- {
- register int i;
- rl_initialize_funmap ();
- for (i = 0; funmap[i]; i++)
- if (_rl_stricmp (funmap[i]->name, string) == 0)
- return (funmap[i]->function);
- return ((Function *)NULL);
- }
- /* Return the function (or macro) definition which would be invoked via
- KEYSEQ if executed in MAP. If MAP is NULL, then the current keymap is
- 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_function_of_keyseq (keyseq, map, type)
- char *keyseq;
- Keymap map;
- int *type;
- {
- register int i;
- if (!map)
- map = _rl_keymap;
- for (i = 0; keyseq && keyseq[i]; i++)
- {
- int ic = keyseq[i];
- if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
- {
- if (map[ESC].type != ISKMAP)
- {
- if (type)
- *type = map[ESC].type;
- return (map[ESC].function);
- }
- else
- {
- map = FUNCTION_TO_KEYMAP (map, ESC);
- 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 (type)
- *type = ISKMAP;
- return (map[ic].function);
- }
- else
- map = FUNCTION_TO_KEYMAP (map, ic);
- }
- else
- {
- if (type)
- *type = map[ic].type;
- return (map[ic].function);
- }
- }
- return ((Function *) 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 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 0
- if (i < file_size)
- #else
- if (i < 0)
- #endif
- {
- free (buffer);
- return ((char *)NULL);
- }
- buffer[file_size] = ' ';
- if (sizep)
- *sizep = file_size;
- return (buffer);
- }
- /* Re-read the current keybindings file. */
- int
- rl_re_read_init_file (count, ignore)
- int count, ignore;
- {
- int r;
- r = rl_read_init_file ((char *)NULL);
- rl_set_keymap_from_edit_mode ();
- return r;
- }
- /* Do key bindings from a file. If FILENAME is NULL it defaults
- 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
- 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;
- {
- /* Default the filename. */
- if (filename == 0)
- {
- filename = last_readline_init_file;
- if (filename == 0)
- filename = get_env_value ("INPUTRC");
- if (filename == 0)
- filename = DEFAULT_INPUTRC;
- }
- if (*filename == 0)
- filename = DEFAULT_INPUTRC;
- return (_rl_read_init_file (filename, 0));
- }
- static int
- _rl_read_init_file (filename, include_level)
- char *filename;
- int include_level;
- {
- register int i;
- char *buffer, *openname, *line, *end;
- size_t file_size;
- current_readline_init_file = filename;
- current_readline_init_include_level = include_level;
- openname = tilde_expand (filename);
- buffer = _rl_read_file (openname, &file_size);
- free (openname);
- 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);
- }
- /* 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 + file_size;
- while (line < end)
- {
- /* Find the end of this line. */
- for (i = 0; line + i != end && line[i] != 'n'; i++);
- /* Mark end of line. */
- line[i] = ' ';
- /* 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);
- return (0);
- }
- static void
- _rl_init_file_error (msg)
- char *msg;
- {
- fprintf (stderr, "readline: %s: line %d: %sn", current_readline_init_file,
- current_readline_init_lineno,
- msg);
- }
- /* **************************************************************** */
- /* */
- /* Parser Directives */
- /* */
- /* **************************************************************** */
- /* Conditionals. */
- /* Calling programs set this to have their argv[0]. */
- 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;
- static int if_stack_size;
- /* Push _rl_parsing_conditionalized_out, and set parser state based
- on ARGS. */
- static int
- parser_if (args)
- char *args;
- {
- register int i;
- /* Push parser state. */
- if (if_stack_depth + 1 >= if_stack_size)
- {
- if (!if_stack)
- if_stack = (unsigned char *)xmalloc (if_stack_size = 20);
- else
- if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20);
- }
- if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out;
- /* If parsing is turned off, then nothing can turn it back on except
- for finding the matching endif. In that case, return right now. */
- if (_rl_parsing_conditionalized_out)
- return 0;
- /* Isolate first argument. */
- for (i = 0; args[i] && !whitespace (args[i]); i++);
- if (args[i])
- args[i++] = ' ';
- /* 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 && _rl_strnicmp (args, "term=", 5) == 0)
- {
- char *tem, *tname;
- /* Terminals like "aaa-60" are equivalent to "aaa". */
- tname = savestring (rl_terminal_name);
- tem = strchr (tname, '-');
- if (tem)
- *tem = ' ';
- /* Test the `long' and `short' forms of the terminal name so that
- 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
- `$if term=sun-cmd' into their .inputrc. */
- _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) &&
- _rl_stricmp (args + 5, rl_terminal_name);
- free (tname);
- }
- #if defined (VI_MODE)
- else if (_rl_strnicmp (args, "mode=", 5) == 0)
- {
- int mode;
- if (_rl_stricmp (args + 5, "emacs") == 0)
- mode = emacs_mode;
- else if (_rl_stricmp (args + 5, "vi") == 0)
- mode = vi_mode;
- else
- mode = no_mode;
- _rl_parsing_conditionalized_out = mode != rl_editing_mode;
- }
- #endif /* VI_MODE */
- /* Check to see if the first word in ARGS is the same as the
- value stored in rl_readline_name. */
- else if (_rl_stricmp (args, rl_readline_name) == 0)
- _rl_parsing_conditionalized_out = 0;
- else
- _rl_parsing_conditionalized_out = 1;
- return 0;
- }
- /* Invert the current parser state if there is anything on the stack. */
- static int
- parser_else (args)
- char *args;
- {
- register int i;
- if (if_stack_depth == 0)
- {
- _rl_init_file_error ("$else found without matching $if");
- return 0;
- }
- /* Check the previous (n - 1) levels of the stack to make sure that
- we haven't previously turned off parsing. */
- for (i = 0; i < if_stack_depth - 1; i++)
- if (if_stack[i] == 1)
- return 0;
- /* Invert the state of parsing if at top level. */
- _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out;
- return 0;
- }
- /* Terminate a conditional, popping the value of
- _rl_parsing_conditionalized_out from the stack. */
- static int
- parser_endif (args)
- char *args;
- {
- if (if_stack_depth)
- _rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
- else
- _rl_init_file_error ("$endif without matching $if");
- return 0;
- }
- static int
- parser_include (args)
- char *args;
- {
- char *old_init_file, *e;
- int old_line_number, old_include_level, r;
- if (_rl_parsing_conditionalized_out)
- return (0);
- old_init_file = current_readline_init_file;
- old_line_number = current_readline_init_lineno;
- old_include_level = current_readline_init_include_level;
- e = strchr (args, 'n');
- if (e)
- *e = ' ';
- r = _rl_read_init_file (args, old_include_level + 1);
- current_readline_init_file = old_init_file;
- current_readline_init_lineno = old_line_number;
- current_readline_init_include_level = old_include_level;
- return r;
- }
-
- /* Associate textual names with actual functions. */
- static struct {
- char *name;
- Function *function;
- } parser_directives [] = {
- { "if", parser_if },
- { "endif", parser_endif },
- { "else", parser_else },
- { "include", parser_include },
- { (char *)0x0, (Function *)0x0 }
- };
- /* Handle a parser directive. STATEMENT is the line of the directive
- without any leading `$'. */
- static int
- handle_parser_directive (statement)
- char *statement;
- {
- register int i;
- char *directive, *args;
- /* Isolate the actual directive. */
- /* Skip whitespace. */
- for (i = 0; whitespace (statement[i]); i++);
- directive = &statement[i];
- for (; statement[i] && !whitespace (statement[i]); i++);
- if (statement[i])
- statement[i++] = ' ';
- for (; statement[i] && whitespace (statement[i]); i++);
- args = &statement[i];
- /* Lookup the command, and act on it. */
- for (i = 0; parser_directives[i].name; i++)
- if (_rl_stricmp (directive, parser_directives[i].name) == 0)
- {
- (*parser_directives[i].function) (args);
- return (0);
- }
- /* display an error message about the unknown parser directive */
- _rl_init_file_error ("unknown parser directive");
- return (1);
- }
- /* Read the binding command from STRING and perform it.
- A key binding command looks like: Keyname: function-name ,
- a variable binding command looks like: set variable value.
- A new-style keybinding looks like "C-xC-x": exchange-point-and-mark. */
- int
- rl_parse_and_bind (string)
- char *string;
- {
- char *funname, *kname;
- register int c, i;
- int key, equivalency;
- while (string && whitespace (*string))
- string++;
- if (!string || !*string || *string == '#')
- return 0;
- /* If this is a parser directive, act on it. */
- if (*string == '$')
- {
- handle_parser_directive (&string[1]);
- return 0;
- }
- /* If we aren't supposed to be parsing right now, then we're done. */
- if (_rl_parsing_conditionalized_out)
- return 0;
- i = 0;
- /* If this keyname is a complex key expression surrounded by quotes,
- advance to after the matching close quote. This code allows the
- backslash to quote characters in the key expression. */
- if (*string == '"')
- {
- int passc = 0;
- for (i = 1; (c = string[i]); i++)
- {
- if (passc)
- {
- passc = 0;
- continue;
- }
- if (c == '\')
- {
- passc++;
- continue;
- }
- if (c == '"')
- break;
- }
- /* If we didn't find a closing quote, abort the line. */
- if (string[i] == ' ')
- {
- _rl_init_file_error ("no closing `"' in key binding");
- return 1;
- }
- }
- /* Advance to the colon (:) or whitespace which separates the two objects. */
- for (; (c = string[i]) && c != ':' && c != ' ' && c != 't'; i++ );
- equivalency = (c == ':' && string[i + 1] == '=');
- /* Mark the end of the command (or keyname). */
- if (string[i])
- string[i++] = ' ';
- /* If doing assignment, skip the '=' sign as well. */
- if (equivalency)
- string[i++] = ' ';
- /* If this is a command to set a variable, then do that. */
- if (_rl_stricmp (string, "set") == 0)
- {
- char *var = string + i;
- char *value;
- /* Make VAR point to start of variable name. */
- while (*var && whitespace (*var)) var++;
- /* Make value point to start of value string. */
- value = var;
- while (*value && !whitespace (*value)) value++;
- if (*value)
- *value++ = ' ';
- while (*value && whitespace (*value)) value++;
- rl_variable_bind (var, value);
- return 0;
- }
- /* Skip any whitespace between keyname and funname. */
- for (; string[i] && whitespace (string[i]); i++);
- funname = &string[i];
- /* Now isolate funname.
- For straight function names just look for whitespace, since
- that will signify the end of the string. But this could be a
- macro definition. In that case, the string is quoted, so skip
- to the matching delimiter. We allow the backslash to quote the
- delimiter characters in the macro body. */
- /* This code exists to allow whitespace in macro expansions, which
- would otherwise be gobbled up by the next `for' loop.*/
- /* XXX - it may be desirable to allow backslash quoting only if " is
- the quoted string delimiter, like the shell. */
- if (*funname == ''' || *funname == '"')
- {
- int delimiter = string[i++], passc;
- for (passc = 0; (c = string[i]); i++)
- {
- if (passc)
- {
- passc = 0;
- continue;
- }
- if (c == '\')
- {
- passc = 1;
- continue;
- }
- if (c == delimiter)
- break;
- }
- if (c)
- i++;
- }
- /* Advance to the end of the string. */
- for (; string[i] && !whitespace (string[i]); i++);
- /* No extra whitespace at the end of the string. */
- string[i] = ' ';
- /* Handle equivalency bindings here. Make the left-hand side be exactly
- whatever the right-hand evaluates to, including keymaps. */
- if (equivalency)
- {
- 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. */
- if (*string == '"')
- {
- char *seq;
- register int j, k, passc;
- seq = 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
- backslash, or with a backslash quoting a double quote. The
- backslashes are left in place for rl_translate_keyseq (). */
- if (passc || (string[j] == '\'))
- {
- seq[k++] = string[j];
- passc = !passc;
- continue;
- }
- if (string[j] == '"')
- break;
- seq[k++] = string[j];
- }
- seq[k] = ' ';
- /* Binding macro? */
- if (*funname == ''' || *funname == '"')
- {
- j = strlen (funname);
- /* Remove the delimiting quotes from each end of FUNNAME. */
- if (j && funname[j - 1] == *funname)
- funname[j - 1] = ' ';
- rl_macro_bind (seq, &funname[1], _rl_keymap);
- }
- else
- rl_set_key (seq, rl_named_function (funname), _rl_keymap);
- free (seq);
- return 0;
- }
- /* Get the actual character we want to deal with. */
- kname = strrchr (string, '-');
- if (!kname)
- kname = string;
- else
- kname++;
- key = glean_key_from_name (kname);
- /* Add in control and meta bits. */
- if (substring_member_of_array (string, possible_control_prefixes))
- key = CTRL (_rl_to_upper (key));
- if (substring_member_of_array (string, possible_meta_prefixes))
- key = META (key);
- /* Temporary. Handle old-style keyname with macro-binding. */
- if (*funname == ''' || *funname == '"')
- {
- unsigned char useq[2];
- int fl = strlen (funname);
- useq[0] = key; useq[1] = ' ';
- if (fl && funname[fl - 1] == *funname)
- funname[fl - 1] = ' ';
- rl_macro_bind ((char*) useq, &funname[1], _rl_keymap);
- }
- #if defined (PREFIX_META_HACK)
- /* Ugly, but working hack to keep prefix-meta around. */
- else if (_rl_stricmp (funname, "prefix-meta") == 0)
- {
- char seq[2];
- seq[0] = key;
- seq[1] = ' ';
- rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap);
- }
- #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;
- int *value;
- } boolean_varlist [] = {
- #if defined (PAREN_MATCHING)
- { "blink-matching-paren", &rl_blink_matching_paren },
- #endif
- { "completion-ignore-case", &_rl_completion_case_fold },
- { "convert-meta", &_rl_convert_meta_chars_to_ascii },
- { "disable-completion", &rl_inhibit_completion },
- { "enable-keypad", &_rl_enable_keypad },
- { "expand-tilde", &rl_complete_with_tilde_expansion },
- { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode },
- { "input-meta", &_rl_meta_flag },
- { "mark-directories", &_rl_complete_mark_directories },
- { "mark-modified-lines", &_rl_mark_modified_lines },
- { "meta-flag", &_rl_meta_flag },
- { "output-meta", &_rl_output_meta_chars },
- { "print-completions-horizontally", &_rl_print_completions_horizontally },
- { "show-all-if-ambiguous", &_rl_complete_show_all },
- #if defined (VISIBLE_STATS)
- { "visible-stats", &rl_visible_stats },
- #endif /* VISIBLE_STATS */
- { (char *)NULL, (int *)NULL }
- };
- int
- rl_variable_bind (name, value)
- char *name, *value;
- {
- 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)
- {
- /* A variable is TRUE if the "value" is "on", "1" or "". */
- *boolean_varlist[i].value = *value == 0 ||
- _rl_stricmp (value, "on") == 0 ||
- (value[0] == '1' && value[1] == ' ');
- return 0;
- }
- }
- /* Not a boolean variable, so check for specials. */
- /* Editing mode change? */
- if (_rl_stricmp (name, "editing-mode") == 0)
- {
- if (_rl_strnicmp (value, "vi", 2) == 0)
- {
- #if defined (VI_MODE)
- _rl_keymap = vi_insertion_keymap;
- rl_editing_mode = vi_mode;
- #endif /* VI_MODE */
- }
- else if (_rl_strnicmp (value, "emacs", 5) == 0)
- {
- _rl_keymap = emacs_standard_keymap;
- rl_editing_mode = emacs_mode;
- }
- }
- /* Comment string change? */
- else if (_rl_stricmp (name, "comment-begin") == 0)
- {
- if (*value)
- {
- if (_rl_comment_begin)
- free (_rl_comment_begin);
- _rl_comment_begin = savestring (value);
- }
- }
- else if (_rl_stricmp (name, "completion-query-items") == 0)
- {
- int nval = 100;
- if (*value)
- {
- nval = atoi (value);
- if (nval < 0)
- nval = 0;
- }
- rl_completion_query_items = nval;
- }
- else if (_rl_stricmp (name, "keymap") == 0)
- {
- Keymap kmap;
- kmap = rl_get_keymap_by_name (value);
- if (kmap)
- rl_set_keymap (kmap);
- }
- else if (_rl_stricmp (name, "bell-style") == 0)
- {
- if (!*value)
- _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 if (_rl_stricmp (name, "prefer-visible-bell") == 0)
- {
- /* Backwards compatibility. */
- if (*value && (_rl_stricmp (value, "on") == 0 ||
- (*value == '1' && !value[1])))
- _rl_bell_preference = VISIBLE_BELL;
- else
- _rl_bell_preference = AUDIBLE_BELL;
- }
- else if (_rl_stricmp (name, "isearch-terminators") == 0)
- {
- /* Isolate the value and translate it into a character string. */
- int beg, end;
- char *v;
- v = savestring (value);
- FREE (_rl_isearch_terminators);
- if (v[0] == '"' || v[0] == ''')
- {
- int 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] = ' ';
- /* The value starts at v + beg. Translate it into a character string. */
- _rl_isearch_terminators = (unsigned char *)xmalloc (2 * strlen (v) + 1);
- rl_translate_keyseq (v + beg, (char*) _rl_isearch_terminators, &end);
- _rl_isearch_terminators[end] = ' ';
- free (v);
- }
-
- /* For the time being, unknown variable names are simply ignored. */
- return 0;
- }
- /* Return the character which matches NAME.
- For example, `Space' returns ' '. */
- typedef struct {
- char *name;
- int value;
- } assoc_list;
- static assoc_list name_key_alist[] = {
- { "DEL", 0x7f },
- { "ESC", ' 33' },
- { "Escape", ' 33' },
- { "LFD", 'n' },
- { "Newline", 'n' },
- { "RET", 'r' },
- { "Return", 'r' },
- { "Rubout", 0x7f },
- { "SPC", ' ' },
- { "Space", ' ' },
- { "Tab", 0x09 },
- { (char *)0x0, 0 }
- };
- static int
- glean_key_from_name (name)
- char *name;
- {
- register int i;
- for (i = 0; name_key_alist[i].name; i++)
- 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;
- Keymap map;
- } keymap_names[] = {
- { "emacs", emacs_standard_keymap },
- { "emacs-standard", emacs_standard_keymap },
- { "emacs-meta", emacs_meta_keymap },
- { "emacs-ctlx", emacs_ctlx_keymap },
- #if defined (VI_MODE)
- { "vi", vi_movement_keymap },
- { "vi-move", vi_movement_keymap },
- { "vi-command", vi_movement_keymap },
- { "vi-insert", vi_insertion_keymap },
- #endif /* VI_MODE */
- { (char *)0x0, (Keymap)0x0 }
- };
- Keymap
- rl_get_keymap_by_name (name)
- char *name;
- {
- register int i;
- for (i = 0; keymap_names[i].name; i++)
- if (strcmp (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 (keymap_names[i].name);
- return ((char *)NULL);
- }
-
- void
- rl_set_keymap (map)
- Keymap map;
- {
- if (map)
- _rl_keymap = map;
- }
- Keymap
- rl_get_keymap ()
- {
- return (_rl_keymap);
- }
- void
- rl_set_keymap_from_edit_mode ()
- {
- 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 */
- }
- 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 (). */
- /* Print the names of functions known to Readline. */
- void
- rl_list_funmap_names ()
- {
- register int i;
- char **funmap_names;
- funmap_names = rl_funmap_names ();
- if (!funmap_names)
- return;
- for (i = 0; funmap_names[i]; i++)
- fprintf (rl_outstream, "%sn", funmap_names[i]);
- free (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 0
- /* 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)
- {
- keyseq[0] = '\';
- keyseq[1] = 'e';
- keyseq[2] = ' ';
- return keyseq;
- }
- #endif
- /* RUBOUT is translated directly into C-? */
- if (key == RUBOUT)
- {
- keyname[0] = '\';
- keyname[1] = 'C';
- keyname[2] = '-';
- keyname[3] = '?';
- keyname[4] = ' ';
- 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] = ' ';
- return keyname;
- }
- /* Return a NULL terminated array of strings which represent the key
- sequences that are used to invoke FUNCTION in MAP. */
- char **
- rl_invoking_keyseqs_in_map (function, map)
- Function *function;
- Keymap map;
- {
- register int key;
- char **result;
- int result_index, result_size;
- result = (char **)NULL;
- result_index = result_size = 0;
- for (key = 0; key < KEYMAP_SIZE; key++)
- {
- switch (map[key].type)
- {
- case ISMACR:
- /* Macros match, if, and only if, the pointers are identical.
- Thus, they are treated exactly like functions in here. */
- case ISFUNC:
- /* If the function in the keymap is the one we are looking for,
- then add the current KEY to the list of invoking keys. */
- if (map[key].function == function)
- {
- char *keyname;
- keyname = _rl_get_keyname (key);
- 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;
- }
- break;
- case ISKMAP:
- {
- 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 =
- rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key));
- else
- break;
- if (seqs == 0)
- break;
- for (i = 0; seqs[i]; i++)
- {
- char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));
- if (key == ESC)
- 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] = ' ';
- }
- else
- {
- keyname[0] = (char) key;
- keyname[1] = ' ';
- }
-
- strcat (keyname, seqs[i]);
- free (seqs[i]);
- 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;
- }
- free (seqs);
- }
- break;
- }
- }
- return (result);
- }
- /* Return a NULL terminated array of strings which represent the key
- sequences that can be used to invoke FUNCTION using the current keymap. */
- char **
- rl_invoking_keyseqs (function)
- Function *function;
- {
- return (rl_invoking_keyseqs_in_map (function, _rl_keymap));
- }
- /* Print all of the functions and their bindings to rl_outstream. If
- PRINT_READABLY is non-zero, then print the output in such a way
- that it can be read back in. */
- void
- rl_function_dumper (print_readably)
- int print_readably;
- {
- register int i;
- char **names;
- char *name;
- names = rl_funmap_names ();
- fprintf (rl_outstream, "n");
- for (i = 0; (name = names[i]); i++)
- {
- Function *function;
- char **invokers;
- function = rl_named_function (name);
- invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap);
- if (print_readably)
- {
- if (!invokers)
- fprintf (rl_outstream, "# %s (not bound)n", name);
- else
- {
- register int j;
- for (j = 0; invokers[j]; j++)
- {
- fprintf (rl_outstream, ""%s": %sn",
- invokers[j], name);
- free (invokers[j]);
- }
- free (invokers);
- }
- }
- else
- {
- if (!invokers)
- fprintf (rl_outstream, "%s is not bound to any keysn",
- name);
- else
- {
- register int j;
- fprintf (rl_outstream, "%s can be found on ", name);
- for (j = 0; invokers[j] && j < 5; j++)
- {
- fprintf (rl_outstream, ""%s"%s", invokers[j],
- invokers[j + 1] ? ", " : ".n");
- }
- if (j == 5 && invokers[j])
- fprintf (rl_outstream, "...n");
- for (j = 0; invokers[j]; j++)
- free (invokers[j]);
- free (invokers);
- }
- }
- }
- }
- /* 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, "rn");
- rl_function_dumper (rl_explicit_arg);
- rl_on_new_line ();
- return (0);
- }
- static void
- _rl_macro_dumper_internal (print_readably, map, prefix)
- int print_readably;
- Keymap map;
- char *prefix;
- {
- register int key;
- char *keyname, *out;
- int prefix_len;
- for (key = 0; key < KEYMAP_SIZE; key++)
- {
- switch (map[key].type)
- {
- case ISMACR:
- keyname = _rl_get_keyname (key);
- #if 0
- out = (char *)map[key].function;
- #else
- out = _rl_untranslate_macro_value ((char *)map[key].function);
- #endif
- if (print_readably)
- fprintf (rl_outstream, ""%s%s": "%s"n", prefix ? prefix : "",
- keyname,
- out ? out : "");
- else
- fprintf (rl_outstream, "%s%s outputs %sn", prefix ? prefix : "",
- keyname,
- out ? out : "");
- free (keyname);
- #if 1
- free (out);
- #endif
- break;
- case ISFUNC:
- break;
- case ISKMAP:
- prefix_len = prefix ? strlen (prefix) : 0;
- if (key == ESC)
- {
- keyname = xmalloc (3 + prefix_len);
- if (prefix)
- strcpy (keyname, prefix);
- keyname[prefix_len] = '\';
- keyname[prefix_len + 1] = 'e';
- keyname[prefix_len + 2] = ' ';
- }
- else
- {
- keyname = _rl_get_keyname (key);
- if (prefix)
- {
- out = xmalloc (strlen (keyname) + prefix_len + 1);
- strcpy (out, prefix);
- strcpy (out + prefix_len, keyname);
- free (keyname);
- keyname = out;
- }
- }
- _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname);
- free (keyname);
- break;
- }
- }
- }
- 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, "rn");
- rl_macro_dumper (rl_explicit_arg);
- rl_on_new_line ();
- return (0);
- }
- void
- rl_variable_dumper (print_readably)
- int print_readably;
- {
- int i;
- char *kname;
- for (i = 0; boolean_varlist[i].name; i++)
- {
- if (print_readably)
- fprintf (rl_outstream, "set %s %sn", 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");
- }
- /* bell-style */
- switch (_rl_bell_preference)
- {
- case NO_BELL:
- kname = "none"; break;
- case VISIBLE_BELL:
- kname = "visible"; break;
- case AUDIBLE_BELL:
- default:
- kname = "audible"; break;
- }
- if (print_readably)
- fprintf (rl_outstream, "set bell-style %sn", kname);
- else
- fprintf (rl_outstream, "bell-style is set to `%s'n", kname);
- /* comment-begin */
- if (print_readably)
- fprintf (rl_outstream, "set comment-begin %sn", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
- else
- fprintf (rl_outstream, "comment-begin is set to `%s'n", _rl_comment_begin ? _rl_comment_begin : "");
- /* completion-query-items */
- if (print_readably)
- fprintf (rl_outstream, "set completion-query-items %dn", rl_completion_query_items);
- else
- fprintf (rl_outstream, "completion-query-items is set to `%d'n", rl_completion_query_items);
- /* editing-mode */
- if (print_readably)
- fprintf (rl_outstream, "set editing-mode %sn", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
- else
- fprintf (rl_outstream, "editing-mode is set to `%s'n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
- /* keymap */
- kname = rl_get_keymap_name (_rl_keymap);
- if (kname == 0)
- kname = rl_get_keymap_name_from_edit_mode ();
- if (print_readably)
- fprintf (rl_outstream, "set keymap %sn", kname ? kname : "none");
- else
- fprintf (rl_outstream, "keymap is set to `%s'n", kname ? kname : "none");
- /* isearch-terminators */
- if (_rl_isearch_terminators)
- {
- char *disp;
- disp = _rl_untranslate_macro_value (_rl_isearch_terminators);
- if (print_readably)
- fprintf (rl_outstream, "set isearch-terminators "%s"n", disp);
- else
- fprintf (rl_outstream, "isearch-terminators is set to "%s"n", disp);
- free (disp);
- }
- }
- /* 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;
- {
- if (rl_dispatching)
- fprintf (rl_outstream, "rn");
- rl_variable_dumper (rl_explicit_arg);
- rl_on_new_line ();
- return (0);
- }
- /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. */
- void
- _rl_bind_if_unbound (keyseq, default_func)
- char *keyseq;
- Function *default_func;
- {
- Function *func;
- if (keyseq)
- {
- func = rl_function_of_keyseq (keyseq, _rl_keymap, (int *)NULL);
- if (!func || func == rl_do_lowercase_version)
- rl_set_key (keyseq, default_func, _rl_keymap);
- }
- }
- /* Return non-zero if any members of ARRAY are a substring in STRING. */
- static int
- substring_member_of_array (string, array)
- char *string, **array;
- {
- while (*array)
- {
- if (_rl_strindex (string, *array))
- return (1);
- array++;
- }
- return (0);
- }