patch 9.1.1340: cannot complete :filetype arguments
Problem: cannot complete :filetype arguments (Phạm Bình An)
Solution: add :filetype ex command completion, add "filetypecmd"
completion type for getcompletion()
fixes: #17165
closes: #17167
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/cmdexpand.c b/src/cmdexpand.c
index 4dbd10e..f7d3ac8 100644
--- a/src/cmdexpand.c
+++ b/src/cmdexpand.c
@@ -53,6 +53,7 @@
&& xp->xp_context != EXPAND_FILES
&& xp->xp_context != EXPAND_FILES_IN_PATH
&& xp->xp_context != EXPAND_FILETYPE
+ && xp->xp_context != EXPAND_FILETYPECMD
&& xp->xp_context != EXPAND_FINDFUNC
&& xp->xp_context != EXPAND_HELP
&& xp->xp_context != EXPAND_KEYMAP
@@ -2058,6 +2059,18 @@
}
#endif
+static enum
+{
+ EXP_FILETYPECMD_ALL, // expand all :filetype values
+ EXP_FILETYPECMD_PLUGIN, // expand plugin on off
+ EXP_FILETYPECMD_INDENT, // expand indent on off
+ EXP_FILETYPECMD_ONOFF, // expand on off
+} filetype_expand_what;
+
+#define EXPAND_FILETYPECMD_PLUGIN 0x01
+#define EXPAND_FILETYPECMD_INDENT 0x02
+#define EXPAND_FILETYPECMD_ONOFF 0x04
+
#ifdef FEAT_EVAL
static enum
{
@@ -2144,6 +2157,53 @@
#endif
/*
+ * Set the completion context for the :filetype command. Always returns NULL.
+ */
+ static char_u *
+set_context_in_filetype_cmd(expand_T *xp, char_u *arg)
+{
+ char_u *p;
+ int val = 0;
+
+ xp->xp_context = EXPAND_FILETYPECMD;
+ xp->xp_pattern = arg;
+ filetype_expand_what = EXP_FILETYPECMD_ALL;
+
+ p = skipwhite(arg);
+ if (*p == NUL)
+ return NULL;
+
+ for (;;)
+ {
+ if (STRNCMP(p, "plugin", 6) == 0)
+ {
+ val |= EXPAND_FILETYPECMD_PLUGIN;
+ p = skipwhite(p + 6);
+ continue;
+ }
+ if (STRNCMP(p, "indent", 6) == 0)
+ {
+ val |= EXPAND_FILETYPECMD_INDENT;
+ p = skipwhite(p + 6);
+ continue;
+ }
+ break;
+ }
+
+ if ((val & EXPAND_FILETYPECMD_PLUGIN) && (val & EXPAND_FILETYPECMD_INDENT))
+ filetype_expand_what = EXP_FILETYPECMD_ONOFF;
+ else if ((val & EXPAND_FILETYPECMD_PLUGIN))
+ filetype_expand_what = EXP_FILETYPECMD_INDENT;
+ else if ((val & EXPAND_FILETYPECMD_INDENT))
+ filetype_expand_what = EXP_FILETYPECMD_PLUGIN;
+
+ xp->xp_pattern = p;
+
+ return NULL;
+}
+
+
+/*
* Set the completion context in 'xp' for command 'cmd' with index 'cmdidx'.
* The argument to the command is 'arg' and the argument flags is 'argt'.
* For user-defined commands and for environment variables, 'compl' has the
@@ -2515,6 +2575,8 @@
case CMD_scriptnames:
return set_context_in_scriptnames_cmd(xp, arg);
#endif
+ case CMD_filetype:
+ return set_context_in_filetype_cmd(xp, arg);
default:
break;
@@ -2949,6 +3011,29 @@
return NULL;
}
+/*
+ * Function given to ExpandGeneric() to obtain the possible arguments of the
+ * ":filetype {plugin,indent}" command.
+ */
+ static char_u *
+get_filetypecmd_arg(expand_T *xp UNUSED, int idx)
+{
+ char *opts_all[] = {"indent", "plugin", "on", "off"};
+ char *opts_plugin[] = {"plugin", "on", "off"};
+ char *opts_indent[] = {"indent", "on", "off"};
+ char *opts_onoff[] = {"on", "off"};
+
+ if (filetype_expand_what == EXP_FILETYPECMD_ALL && idx < 4)
+ return (char_u *)opts_all[idx];
+ if (filetype_expand_what == EXP_FILETYPECMD_PLUGIN && idx < 3)
+ return (char_u *)opts_plugin[idx];
+ if (filetype_expand_what == EXP_FILETYPECMD_INDENT && idx < 3)
+ return (char_u *)opts_indent[idx];
+ if (filetype_expand_what == EXP_FILETYPECMD_ONOFF && idx < 2)
+ return (char_u *)opts_onoff[idx];
+ return NULL;
+}
+
#ifdef FEAT_EVAL
/*
* Function given to ExpandGeneric() to obtain the possible arguments of the
@@ -3040,6 +3125,7 @@
{
{EXPAND_COMMANDS, get_command_name, FALSE, TRUE},
{EXPAND_BEHAVE, get_behave_arg, TRUE, TRUE},
+ {EXPAND_FILETYPECMD, get_filetypecmd_arg, TRUE, TRUE},
{EXPAND_MAPCLEAR, get_mapclear_arg, TRUE, TRUE},
{EXPAND_MESSAGES, get_messages_arg, TRUE, TRUE},
{EXPAND_HISTORY, get_history_arg, TRUE, TRUE},
@@ -4295,6 +4381,8 @@
&context);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
}
+ if (xpc.xp_context == EXPAND_FILETYPECMD)
+ filetype_expand_what = EXP_FILETYPECMD_ALL;
}
if (cmdline_fuzzy_completion_supported(&xpc))