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
+ as published by the Free Software Foundation; either version 2, or
(at your option) any later version.
The GNU Readline Library is distributed in the hope that it will be
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. */
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
-#include <signal.h>
#include <errno.h>
#if !defined (errno)
#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 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 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 __P((char *, int));
+static int glean_key_from_name __P((char *));
+static int substring_member_of_array __P((char *, char **));
-static int _rl_read_init_file ();
-static int glean_key_from_name ();
-static int substring_member_of_array ();
+static int currently_reading_init_file;
-extern char *xmalloc (), *xrealloc ();
+/* used only in this file */
+static int _rl_prefer_visible_bell = 1;
/* **************************************************************** */
/* */
Function *func;
Keymap map;
{
- register int i;
+ register int i, rval;
- for (i = 0; i < KEYMAP_SIZE; i++)
+ for (i = rval = 0; i < KEYMAP_SIZE; i++)
{
if (map[i].type == ISFUNC && map[i].function == func)
- map[i].function = (Function *)NULL;
+ {
+ map[i].function = (Function *)NULL;
+ rval = 1;
+ }
}
+ return rval;
}
int
Keymap map;
{
Function *func;
- register int i;
func = rl_named_function (command);
if (func == 0)
i = read (file, buffer, file_size);
close (file);
+#if 0
if (i < file_size)
+#else
+ if (i < 0)
+#endif
{
free (buffer);
return ((char *)NULL);
}
+#if 0
buffer[file_size] = '\0';
if (sizep)
*sizep = file_size;
+#else
+ buffer[i] = '\0';
+ if (sizep)
+ *sizep = i;
+#endif
+
return (buffer);
}
if (*filename == 0)
filename = DEFAULT_INPUTRC;
+#if defined (__MSDOS__)
+ if (_rl_read_init_file (filename, 0) == 0)
+ return 0;
+ filename = "~/_inputrc";
+#endif
return (_rl_read_init_file (filename, 0));
}
openname = tilde_expand (filename);
buffer = _rl_read_file (openname, &file_size);
+ free (openname);
+
if (buffer == 0)
return (errno);
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;
/* Find the end of this line. */
for (i = 0; line + i != end && line[i] != '\n'; i++);
+#if defined (__CYGWIN32__)
+ /* ``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';
}
free (buffer);
+ currently_reading_init_file = 0;
return (0);
}
_rl_init_file_error (msg)
char *msg;
{
- fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file,
- current_readline_init_lineno,
- msg);
+ if (currently_reading_init_file)
+ fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file,
+ current_readline_init_lineno, msg);
+ else
+ fprintf (stderr, "readline: %s\n", msg);
}
/* **************************************************************** */
have one of two values; either "On" or 1 for truth, or "Off" or 0 for
false. */
+#define V_SPECIAL 0x1
+
static struct {
char *name;
int *value;
+ int flags;
} 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 },
+ { "blink-matching-paren", &rl_blink_matching_paren, V_SPECIAL },
+ { "completion-ignore-case", &_rl_completion_case_fold, 0 },
+ { "convert-meta", &_rl_convert_meta_chars_to_ascii, 0 },
+ { "disable-completion", &rl_inhibit_completion, 0 },
+ { "enable-keypad", &_rl_enable_keypad, 0 },
+ { "expand-tilde", &rl_complete_with_tilde_expansion, 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 },
+ { "meta-flag", &_rl_meta_flag, 0 },
+ { "output-meta", &_rl_output_meta_chars, 0 },
+ { "prefer-visible-bell", &_rl_prefer_visible_bell, V_SPECIAL },
+ { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 },
+ { "show-all-if-ambiguous", &_rl_complete_show_all, 0 },
#if defined (VISIBLE_STATS)
- { "visible-stats", &rl_visible_stats },
+ { "visible-stats", &rl_visible_stats, 0 },
#endif /* VISIBLE_STATS */
{ (char *)NULL, (int *)NULL }
};
+static int
+find_boolean_var (name)
+ char *name;
+{
+ register int i;
+
+ 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;
+{
+ 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 (_rl_prefer_visible_bell)
+ _rl_bell_preference = VISIBLE_BELL;
+ else
+ _rl_bell_preference = AUDIBLE_BELL;
+ }
+}
+
+/* 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 __P((char *));
+static int sv_combegin __P((char *));
+static int sv_compquery __P((char *));
+static int sv_editmode __P((char *));
+static int sv_isrchterm __P((char *));
+static int sv_keymap __P((char *));
+
+static struct {
+ char *name;
+ int flags;
+ Function *set_func;
+} string_varlist[] = {
+ { "bell-style", V_STRING, sv_bell_style },
+ { "comment-begin", V_STRING, sv_combegin },
+ { "completion-query-items", V_INT, sv_compquery },
+ { "editing-mode", V_STRING, sv_editmode },
+ { "isearch-terminators", V_STRING, sv_isrchterm },
+ { "keymap", V_STRING, sv_keymap },
+ { (char *)NULL, 0 }
+};
+
+static int
+find_string_var (name)
+ 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;
+}
+
+/* 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)
+ char *value;
+{
+ return (value == 0 || *value == '\0' ||
+ (_rl_stricmp (value, "on") == 0) ||
+ (value[0] == '1' && value[1] == '\0'));
+}
+
int
rl_variable_bind (name, value)
char *name, *value;
{
register int i;
+ int v;
/* Check for simple variables first. */
- for (i = 0; boolean_varlist[i].name; i++)
+ i = find_boolean_var (name);
+ if (i >= 0)
{
- 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] == '\0');
- return 0;
- }
+ *boolean_varlist[i].value = bool_to_int (value);
+ if (boolean_varlist[i].flags & V_SPECIAL)
+ hack_special_boolean_var (i);
+ return 0;
}
- /* Not a boolean variable, so check for specials. */
+ 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;
- /* Editing mode change? */
- if (_rl_stricmp (name, "editing-mode") == 0)
+ v = (*string_varlist[i].set_func) (value);
+ return v;
+}
+
+static int
+sv_editmode (value)
+ char *value;
+{
+ if (_rl_strnicmp (value, "vi", 2) == 0)
{
- if (_rl_strnicmp (value, "vi", 2) == 0)
- {
#if defined (VI_MODE)
- _rl_keymap = vi_insertion_keymap;
- rl_editing_mode = 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;
- }
+ return 0;
}
-
- /* Comment string change? */
- else if (_rl_stricmp (name, "comment-begin") == 0)
+ else if (_rl_strnicmp (value, "emacs", 5) == 0)
{
- if (*value)
- {
- if (_rl_comment_begin)
- free (_rl_comment_begin);
+ _rl_keymap = emacs_standard_keymap;
+ rl_editing_mode = emacs_mode;
+ return 0;
+ }
+ return 1;
+}
- _rl_comment_begin = savestring (value);
- }
+static int
+sv_combegin (value)
+ char *value;
+{
+ if (value && *value)
+ {
+ FREE (_rl_comment_begin);
+ _rl_comment_begin = savestring (value);
+ return 0;
}
- else if (_rl_stricmp (name, "completion-query-items") == 0)
+ return 1;
+}
+
+static int
+sv_compquery (value)
+ 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;
}
- else if (_rl_stricmp (name, "keymap") == 0)
+ rl_completion_query_items = nval;
+ return 0;
+}
+
+static int
+sv_keymap (value)
+ char *value;
+{
+ Keymap kmap;
+
+ kmap = rl_get_keymap_by_name (value);
+ if (kmap)
{
- Keymap kmap;
- kmap = rl_get_keymap_by_name (value);
- if (kmap)
- rl_set_keymap (kmap);
+ rl_set_keymap (kmap);
+ return 0;
}
- else if (_rl_stricmp (name, "bell-style") == 0)
+ return 1;
+}
+
+#define _SET_BELL(v) do { _rl_bell_preference = v; return 0; } while (0)
+
+static int
+sv_bell_style (value)
+ char *value;
+{
+ if (value == 0 || *value == '\0')
+ _SET_BELL (AUDIBLE_BELL);
+ else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0)
+ _SET_BELL (NO_BELL);
+ else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0)
+ _SET_BELL (AUDIBLE_BELL);
+ else if (_rl_stricmp (value, "visible") == 0)
+ _SET_BELL (VISIBLE_BELL);
+ else
+ return 1;
+}
+#undef _SET_BELL
+
+static int
+sv_isrchterm (value)
+ 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] == '\'')
{
- 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;
- }
+ delim = v[0];
+ for (beg = end = 1; v[end] && v[end] != delim; end++)
+ ;
}
- else if (_rl_stricmp (name, "prefer-visible-bell") == 0)
+ else
{
- /* Backwards compatibility. */
- if (*value && (_rl_stricmp (value, "on") == 0 ||
- (*value == '1' && !value[1])))
- _rl_bell_preference = VISIBLE_BELL;
- else
- _rl_bell_preference = AUDIBLE_BELL;
+ for (beg = end = 0; whitespace (v[end]) == 0; end++)
+ ;
}
- /* For the time being, unknown variable names are simply ignored. */
+ v[end] = '\0';
+
+ /* 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, _rl_isearch_terminators, &end);
+ _rl_isearch_terminators[end] = '\0';
+
+ free (v);
return 0;
}
-
+
/* Return the character which matches NAME.
For example, `Space' returns ' '. */
int key;
{
char *keyname;
- int i, c, v;
+ int i, c;
keyname = (char *)xmalloc (8);
fprintf (rl_outstream, "set keymap %s\n", 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
projects / deliverable / binutils-gdb.git / blobdiff