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From 6af44d2fa0cdcba11368cf4eee141e42bf0dd422 Mon Sep 17 00:00:00 2001
From: Alexander Polakov <polachok@gmail.com>
Date: Sun, 29 May 2011 14:55:46 +0400
Subject: [PATCH 1/8] ksh/vi mode: complete as command on Ctrl-f.

 * adds a flag for x_cf_glob() to force completion like it was a command
 * new argument for complete_word() to pass the flag
 * reuse print_expansions() unused argument to pass the flag

 Why: useful for sudo or one-liner completion
 XXX: use different key combination?
---
 edit.c |    2 ++
 edit.h |    7 ++++---
 vi.c   |   22 +++++++++++-----------
 3 files changed, 17 insertions(+), 14 deletions(-)

diff --git edit.c edit.c
index 6c357a7..0b1ff7d 100644
--- edit.c
+++ edit.c
@@ -599,6 +599,8 @@ x_cf_glob(int flags, const char *buf, int buflen, int pos, int *startp,
 	len = x_locate_word(buf, buflen, pos, startp, &is_command);
 	if (!(flags & XCF_COMMAND))
 		is_command = 0;
+	if (flags & XCF_FORCE_COMMAND)
+		is_command = 1;
 	/* Don't do command globing on zero length strings - it takes too
 	 * long and isn't very useful.  File globs are more likely to be
 	 * useful, so allow these.
diff --git edit.h edit.h
index f966fe4..9c75ffc 100644
--- edit.h
+++ edit.h
@@ -38,9 +38,10 @@ typedef struct {
 EXTERN X_chars edchars;
 
 /* x_cf_glob() flags */
-#define XCF_COMMAND	BIT(0)	/* Do command completion */
-#define XCF_FILE	BIT(1)	/* Do file completion */
-#define XCF_FULLPATH	BIT(2)	/* command completion: store full path */
+#define XCF_COMMAND		BIT(0)	/* Do command completion */
+#define XCF_FILE		BIT(1)	/* Do file completion */
+#define XCF_FULLPATH		BIT(2)	/* command completion: store full path */
+#define XCF_FORCE_COMMAND	BIT(3)	/* Force completion as a command */
 #define XCF_COMMAND_FILE (XCF_COMMAND|XCF_FILE)
 
 /* edit.c */
diff --git vi.c vi.c
index 889b35a..e4173c7 100644
--- vi.c
+++ vi.c
@@ -58,7 +58,7 @@ static int	newcol(int, int);
 static void	display(char *, char *, int);
 static void	ed_mov_opt(int, char *);
 static int	expand_word(int);
-static int	complete_word(int, int);
+static int	complete_word(int, int, int);
 static int	print_expansions(struct edstate *, int);
 static int	char_len(int);
 static void	x_vi_zotc(int);
@@ -651,7 +651,7 @@ vi_insert(int ch)
 		break;
 
 	case Ctrl('f'):
-		complete_word(0, 0);
+		complete_word(0, 0, XCF_FORCE_COMMAND);
 		break;
 
 	case Ctrl('e'):
@@ -660,7 +660,7 @@ vi_insert(int ch)
 
 	case Ctrl('i'):
 		if (Flag(FVITABCOMPLETE)) {
-			complete_word(0, 0);
+			complete_word(0, 0, 0);
 			break;
 		}
 		/* FALLTHROUGH */
@@ -1111,14 +1111,14 @@ vi_cmd(int argcnt, const char *cmd)
 
 		case '=':			/* at&t ksh */
 		case Ctrl('e'):			/* Nonstandard vi/ksh */
-			print_expansions(es, 1);
+			print_expansions(es, 0);
 			break;
 
 
 		case Ctrl('i'):			/* Nonstandard vi/ksh */
 			if (!Flag(FVITABCOMPLETE))
 				return -1;
-			complete_word(1, argcnt);
+			complete_word(1, argcnt, 0);
 			break;
 
 		case Ctrl('['):			/* some annoying at&t ksh's */
@@ -1126,7 +1126,7 @@ vi_cmd(int argcnt, const char *cmd)
 				return -1;
 		case '\\':			/* at&t ksh */
 		case Ctrl('f'):			/* Nonstandard vi/ksh */
-			complete_word(1, argcnt);
+			complete_word(1, argcnt, 0);
 			break;
 
 
@@ -1939,7 +1939,7 @@ expand_word(int command)
 }
 
 static int
-complete_word(int command, int count)
+complete_word(int command, int count, int flags)
 {
 	static struct edstate *buf;
 	int rval = 0;
@@ -1953,7 +1953,7 @@ complete_word(int command, int count)
 
 	/* Undo previous completion */
 	if (command == 0 && expanded == COMPLETE && buf) {
-		print_expansions(buf, 0);
+		print_expansions(buf, flags);
 		expanded = PRINT;
 		return 0;
 	}
@@ -1971,7 +1971,7 @@ complete_word(int command, int count)
 	/* XCF_FULLPATH for count 'cause the menu printed by print_expansions()
 	 * was done this way.
 	 */
-	nwords = x_cf_glob(XCF_COMMAND_FILE | (count ? XCF_FULLPATH : 0),
+	nwords = x_cf_glob(XCF_COMMAND_FILE | (count ? XCF_FULLPATH : 0) | flags,
 	    es->cbuf, es->linelen, es->cursor,
 	    &start, &end, &words, &is_command);
 	if (nwords == 0) {
@@ -2044,14 +2044,14 @@ complete_word(int command, int count)
 }
 
 static int
-print_expansions(struct edstate *e, int command)
+print_expansions(struct edstate *e, int flags)
 {
 	int nwords;
 	int start, end;
 	char **words;
 	int is_command;
 
-	nwords = x_cf_glob(XCF_COMMAND_FILE|XCF_FULLPATH,
+	nwords = x_cf_glob(XCF_COMMAND_FILE|XCF_FULLPATH|flags,
 	    e->cbuf, e->linelen, e->cursor,
 	    &start, &end, &words, &is_command);
 	if (nwords == 0) {
-- 
1.7.5