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|
#
# new shopt `colonbreakswords'
# http://lists.gnu.org/archive/html/bug-bash/2004-10/msg00190.html
#
--- bashline.c.orig Sat Nov 5 18:07:02 2005
+++ bashline.c Wed Dec 28 19:44:28 2005
@@ -212,6 +212,11 @@
host list. */
int perform_hostname_completion = 1;
+/* If non-zero, we do hostname completion, breaking words at `@' and
+ trying to complete the stuff after the `@' from our own internal
+ host list. */
+int colon_is_wordbreak = 1;
+
/* If non-zero, we don't do command completion on an empty line. */
int no_empty_command_completion;
@@ -222,7 +227,8 @@
static char *bash_completer_word_break_characters = " \t\n\"'@><=;|&(:";
static char *bash_nohostname_word_break_characters = " \t\n\"'><=;|&(:";
-/* )) */
+static char *bash_nocolon_word_break_characters = " \t\n\"'@><=;|&(";
+/* ))) */
static rl_hook_func_t *old_rl_startup_hook = (rl_hook_func_t *)NULL;
@@ -325,6 +331,80 @@
return (old_value);
}
+/* When this function returns, rl_completer_word_break_characters points to
+ dynamically allocated memory. */
+int
+enable_colon_wordbreak (on_or_off)
+ int on_or_off;
+{
+ int old_value;
+ char *at, *nv, *nval;
+
+ old_value = colon_is_wordbreak;
+
+ if (on_or_off)
+ {
+ colon_is_wordbreak = 1;
+ rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{"; /*}*/
+ }
+ else
+ {
+ colon_is_wordbreak = 0;
+ rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!{"; /*}*/
+ }
+
+ /* Now we need to figure out how to appropriately modify and assign
+ rl_completer_word_break_characters depending on whether we want
+ the colon to be a word break or not. */
+
+ /* If this is the first time this has been called
+ (bash_readline_initialized == 0), use the sames values as before, but
+ allocate new memory for rl_completer_word_break_characters. */
+
+ if (bash_readline_initialized == 0 &&
+ (rl_completer_word_break_characters == 0 ||
+ rl_completer_word_break_characters == rl_basic_word_break_characters))
+ {
+ if (on_or_off)
+ rl_completer_word_break_characters = savestring (bash_completer_word_break_characters);
+ else
+ rl_completer_word_break_characters = savestring (bash_nocolon_word_break_characters);
+ }
+ else
+ {
+ /* See if we have anything to do. */
+ at = strchr (rl_completer_word_break_characters, ':');
+ if ((at == 0 && on_or_off == 0) || (at != 0 && on_or_off != 0))
+ return old_value;
+
+ /* We have something to do. Do it. */
+ nval = (char *)xmalloc (strlen (rl_completer_word_break_characters) + 1 + on_or_off);
+
+ if (on_or_off == 0)
+ {
+ /* Turn it off -- just remove `:' from word break chars. We want
+ to remove all occurrences of `:' from the char list, so we loop
+ rather than just copy the rest of the list over AT. */
+ for (nv = nval, at = rl_completer_word_break_characters; *at; )
+ if (*at != ':')
+ *nv++ = *at++;
+ else
+ at++;
+ *nv = '\0';
+ }
+ else
+ {
+ nval[0] = ':';
+ strcpy (nval + 1, rl_completer_word_break_characters);
+ }
+
+ free (rl_completer_word_break_characters);
+ rl_completer_word_break_characters = nval;
+ }
+
+ return (old_value);
+}
+
/* Called once from parse.y if we are going to use readline. */
void
initialize_readline ()
@@ -485,8 +565,12 @@
completion is enabled. */
enable_hostname_completion (perform_hostname_completion);
+ /* This sets rl_completer_word_break_characters and rl_filename_quote_characters
+ to the appropriate values, depending on whether or not a colon
+ should break completion words or not. */
+ enable_colon_wordbreak (colon_is_wordbreak);
+
/* characters that need to be quoted when appearing in filenames. */
- rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{"; /*}*/
rl_filename_quoting_function = bash_quote_filename;
rl_filename_dequoting_function = bash_dequote_filename;
rl_char_is_quoted_p = char_is_quoted;
--- builtins/shopt.def.orig Wed Dec 28 19:38:09 2005
+++ builtins/shopt.def Wed Dec 28 19:44:28 2005
@@ -83,6 +83,8 @@
extern int hist_verify, history_reediting, perform_hostname_completion;
extern int no_empty_command_completion;
extern int force_fignore;
+extern int colon_is_wordbreak;
+extern int enable_colon_wordbreak __P((int));
extern int enable_hostname_completion __P((int));
#endif
@@ -121,6 +123,9 @@
{ "checkwinsize", &check_window_size, (shopt_set_func_t *)NULL },
#if defined (HISTORY)
{ "cmdhist", &command_oriented_history, (shopt_set_func_t *)NULL },
+#endif
+#if defined (READLINE)
+ { "colonbreakswords", &colon_is_wordbreak, enable_colon_wordbreak },
#endif
{ "dotglob", &glob_dot_filenames, (shopt_set_func_t *)NULL },
{ "execfail", &no_exit_on_failed_exec, (shopt_set_func_t *)NULL },
--- doc/bash.1.orig Wed Dec 28 19:38:09 2005
+++ doc/bash.1 Wed Dec 28 19:44:28 2005
@@ -7972,6 +7972,18 @@
command in the same history entry. This allows
easy re-editing of multi-line commands.
.TP 8
+.B colonbreakswords
+If set, and
+.B readline
+is being used, \fBbash\fP will treat \fB:\fP as
+separating word being completed (see
+.B Completing
+under
+.SM
+.B READLINE
+above).
+This is enabled by default.
+.TP 8
.B dotglob
If set,
.B bash
--- doc/bashref.texi.orig Wed Dec 28 19:38:09 2005
+++ doc/bashref.texi Wed Dec 28 19:44:28 2005
@@ -3598,6 +3598,11 @@
command in the same history entry. This allows
easy re-editing of multi-line commands.
+@item colonbreakswords
+If set, and Readline is being used, Bash will treat @samp{:} as
+separating word being completed (@pxref{Commands For Completion}).
+This option is enabled by default.
+
@item dotglob
If set, Bash includes filenames beginning with a `.' in
the results of filename expansion.
|
