vendor/NetBSD/libedit/2017-09-05

1 files changed, 105 insertions, 71 deletions

diff --git a/refresh.c b/refresh.c
index b210e8a47522..fe5187c5f066 100644
--- a/refresh.c
+++ b/refresh.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: refresh.c,v 1.45 2016/03/02 19:24:20 christos Exp $	*/
+/*	$NetBSD: refresh.c,v 1.54 2017/06/30 20:26:52 kre Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)refresh.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: refresh.c,v 1.45 2016/03/02 19:24:20 christos Exp $");
+__RCSID("$NetBSD: refresh.c,v 1.54 2017/06/30 20:26:52 kre Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -50,18 +50,18 @@ __RCSID("$NetBSD: refresh.c,v 1.45 2016/03/02 19:24:20 christos Exp $");
 
 #include "el.h"
 
-private void	re_nextline(EditLine *);
-private void	re_addc(EditLine *, wint_t);
-private void	re_update_line(EditLine *, Char *, Char *, int);
-private void	re_insert (EditLine *, Char *, int, int, Char *, int);
-private void	re_delete(EditLine *, Char *, int, int, int);
-private void	re_fastputc(EditLine *, wint_t);
-private void	re_clear_eol(EditLine *, int, int, int);
-private void	re__strncopy(Char *, Char *, size_t);
-private void	re__copy_and_pad(Char *, const Char *, size_t);
+static void	re_nextline(EditLine *);
+static void	re_addc(EditLine *, wint_t);
+static void	re_update_line(EditLine *, wchar_t *, wchar_t *, int);
+static void	re_insert (EditLine *, wchar_t *, int, int, wchar_t *, int);
+static void	re_delete(EditLine *, wchar_t *, int, int, int);
+static void	re_fastputc(EditLine *, wint_t);
+static void	re_clear_eol(EditLine *, int, int, int);
+static void	re__strncopy(wchar_t *, wchar_t *, size_t);
+static void	re__copy_and_pad(wchar_t *, const wchar_t *, size_t);
 
 #ifdef DEBUG_REFRESH
-private void	re_printstr(EditLine *, const char *, Char *, Char *);
+static void	re_printstr(EditLine *, const char *, wchar_t *, wchar_t *);
 #define	__F el->el_errfile
 #define	ELRE_ASSERT(a, b, c)	do				\
 				    if (/*CONSTCOND*/ a) {	\
@@ -74,8 +74,8 @@ private void	re_printstr(EditLine *, const char *, Char *, Char *);
 /* re_printstr():
  *	Print a string on the debugging pty
  */
-private void
-re_printstr(EditLine *el, const char *str, Char *f, Char *t)
+static void
+re_printstr(EditLine *el, const char *str, wchar_t *f, wchar_t *t)
 {
 
 	ELRE_DEBUG(1, (__F, "%s:\"", str));
@@ -91,7 +91,7 @@ re_printstr(EditLine *el, const char *str, Char *f, Char *t)
 /* re_nextline():
  *	Move to the next line or scroll
  */
-private void
+static void
 re_nextline(EditLine *el)
 {
 	el->el_refresh.r_cursor.h = 0;	/* reset it. */
@@ -104,7 +104,7 @@ re_nextline(EditLine *el)
 	 */
 	if (el->el_refresh.r_cursor.v + 1 >= el->el_terminal.t_size.v) {
 		int i, lins = el->el_terminal.t_size.v;
-		Char *firstline = el->el_vdisplay[0];
+		wchar_t *firstline = el->el_vdisplay[0];
 
 		for(i = 1; i < lins; i++)
 			el->el_vdisplay[i - 1] = el->el_vdisplay[i];
@@ -123,10 +123,10 @@ re_nextline(EditLine *el)
 /* re_addc():
  *	Draw c, expanding tabs, control chars etc.
  */
-private void
+static void
 re_addc(EditLine *el, wint_t c)
 {
-	switch (ct_chr_class((Char)c)) {
+	switch (ct_chr_class(c)) {
 	case CHTYPE_TAB:        /* expand the tab */
 		for (;;) {
 			re_putc(el, ' ', 1);
@@ -145,9 +145,9 @@ re_addc(EditLine *el, wint_t c)
 		re_putc(el, c, 1);
 		break;
 	default: {
-		Char visbuf[VISUAL_WIDTH_MAX];
+		wchar_t visbuf[VISUAL_WIDTH_MAX];
 		ssize_t i, n =
-		    ct_visual_char(visbuf, VISUAL_WIDTH_MAX, (Char)c);
+		    ct_visual_char(visbuf, VISUAL_WIDTH_MAX, c);
 		for (i = 0; n-- > 0; ++i)
 		    re_putc(el, visbuf[i], 1);
 		break;
@@ -155,35 +155,66 @@ re_addc(EditLine *el, wint_t c)
 	}
 }
 
+/* re_putliteral():
+ *	Place the literal string given
+ */
+libedit_private void
+re_putliteral(EditLine *el, const wchar_t *begin, const wchar_t *end)
+{
+	coord_t *cur = &el->el_refresh.r_cursor;
+	wint_t c;
+	int sizeh = el->el_terminal.t_size.h;
+	int i, w;
+
+	c = literal_add(el, begin, end, &w);
+	if (c == 0 || w <= 0)
+		return;
+	el->el_vdisplay[cur->v][cur->h] = c;
+
+	i = w;
+	if (i > sizeh - cur->h)		/* avoid overflow */
+		i = sizeh - cur->h;
+	while (--i > 0)
+		el->el_vdisplay[cur->v][cur->h + i] = MB_FILL_CHAR;
+
+	cur->h += w;
+	if (cur->h >= sizeh) {
+		/* assure end of line */
+		el->el_vdisplay[cur->v][sizeh] = '\0';
+		re_nextline(el);
+	}
+}
 
 /* re_putc():
  *	Draw the character given
  */
-protected void
+libedit_private void
 re_putc(EditLine *el, wint_t c, int shift)
 {
-	int i, w = Width(c);
+	coord_t *cur = &el->el_refresh.r_cursor;
+	int i, w = wcwidth(c);
+	int sizeh = el->el_terminal.t_size.h;
+
 	ELRE_DEBUG(1, (__F, "printing %5x '%lc'\r\n", c, c));
+	if (w == -1)
+		w = 0;
 
-	while (shift && (el->el_refresh.r_cursor.h + w > el->el_terminal.t_size.h))
+	while (shift && (cur->h + w > sizeh))
 	    re_putc(el, ' ', 1);
 
-	el->el_vdisplay[el->el_refresh.r_cursor.v]
-	    [el->el_refresh.r_cursor.h] = (Char)c;
+	el->el_vdisplay[cur->v][cur->h] = c;
 	/* assumes !shift is only used for single-column chars */
 	i = w;
 	while (--i > 0)
-		el->el_vdisplay[el->el_refresh.r_cursor.v]
-		    [el->el_refresh.r_cursor.h + i] = MB_FILL_CHAR;
+		el->el_vdisplay[cur->v][cur->h + i] = MB_FILL_CHAR;
 
 	if (!shift)
 		return;
 
-	el->el_refresh.r_cursor.h += w;	/* advance to next place */
-	if (el->el_refresh.r_cursor.h >= el->el_terminal.t_size.h) {
+	cur->h += w;	/* advance to next place */
+	if (cur->h >= sizeh) {
 		/* assure end of line */
-		el->el_vdisplay[el->el_refresh.r_cursor.v][el->el_terminal.t_size.h]
-		    = '\0';
+		el->el_vdisplay[cur->v][sizeh] = '\0';
 		re_nextline(el);
 	}
 }
@@ -195,23 +226,26 @@ re_putc(EditLine *el, wint_t c, int shift)
  *	virtual image. The routine to re-draw a line can be replaced
  *	easily in hopes of a smarter one being placed there.
  */
-protected void
+libedit_private void
 re_refresh(EditLine *el)
 {
 	int i, rhdiff;
-	Char *cp, *st;
+	wchar_t *cp, *st;
 	coord_t cur;
 #ifdef notyet
 	size_t termsz;
 #endif
 
-	ELRE_DEBUG(1, (__F, "el->el_line.buffer = :" FSTR ":\r\n",
+	ELRE_DEBUG(1, (__F, "el->el_line.buffer = :%ls:\r\n",
 	    el->el_line.buffer));
 
+	literal_clear(el);
 	/* reset the Drawing cursor */
 	el->el_refresh.r_cursor.h = 0;
 	el->el_refresh.r_cursor.v = 0;
 
+	terminal_move_to_char(el, 0);
+
 	/* temporarily draw rprompt to calculate its size */
 	prompt_print(el, EL_RPROMPT);
 
@@ -251,7 +285,7 @@ re_refresh(EditLine *el)
 
 	for (cp = st; cp < el->el_line.lastchar; cp++) {
 		if (cp == el->el_line.cursor) {
-                        int w = Width(*cp);
+                        int w = wcwidth(*cp);
 			/* save for later */
 			cur.h = el->el_refresh.r_cursor.h;
 			cur.v = el->el_refresh.r_cursor.v;
@@ -319,10 +353,10 @@ re_refresh(EditLine *el)
 		for (; i <= el->el_refresh.r_oldcv; i++) {
 			terminal_move_to_line(el, i);
 			terminal_move_to_char(el, 0);
-                        /* This Strlen should be safe even with MB_FILL_CHARs */
-			terminal_clear_EOL(el, (int) Strlen(el->el_display[i]));
+                        /* This wcslen should be safe even with MB_FILL_CHARs */
+			terminal_clear_EOL(el, (int) wcslen(el->el_display[i]));
 #ifdef DEBUG_REFRESH
-			terminal_overwrite(el, STR("C\b"), 2);
+			terminal_overwrite(el, L"C\b", 2);
 #endif /* DEBUG_REFRESH */
 			el->el_display[i][0] = '\0';
 		}
@@ -340,7 +374,7 @@ re_refresh(EditLine *el)
 /* re_goto_bottom():
  *	 used to go to last used screen line
  */
-protected void
+libedit_private void
 re_goto_bottom(EditLine *el)
 {
 
@@ -355,12 +389,12 @@ re_goto_bottom(EditLine *el)
  *	insert num characters of s into d (in front of the character)
  *	at dat, maximum length of d is dlen
  */
-private void
+static void
 /*ARGSUSED*/
 re_insert(EditLine *el __attribute__((__unused__)),
-    Char *d, int dat, int dlen, Char *s, int num)
+    wchar_t *d, int dat, int dlen, wchar_t *s, int num)
 {
-	Char *a, *b;
+	wchar_t *a, *b;
 
 	if (num <= 0)
 		return;
@@ -406,12 +440,12 @@ re_insert(EditLine *el __attribute__((__unused__)),
 /* re_delete():
  *	delete num characters d at dat, maximum length of d is dlen
  */
-private void
+static void
 /*ARGSUSED*/
 re_delete(EditLine *el __attribute__((__unused__)),
-    Char *d, int dat, int dlen, int num)
+    wchar_t *d, int dat, int dlen, int num)
 {
-	Char *a, *b;
+	wchar_t *a, *b;
 
 	if (num <= 0)
 		return;
@@ -440,8 +474,8 @@ re_delete(EditLine *el __attribute__((__unused__)),
 /* re__strncopy():
  *	Like strncpy without padding.
  */
-private void
-re__strncopy(Char *a, Char *b, size_t n)
+static void
+re__strncopy(wchar_t *a, wchar_t *b, size_t n)
 {
 
 	while (n-- && *b)
@@ -455,7 +489,7 @@ re__strncopy(Char *a, Char *b, size_t n)
  *	in the first or second diff, diff is the difference between the
  *	number of characters between the new and old line.
  */
-private void
+static void
 re_clear_eol(EditLine *el, int fx, int sx, int diff)
 {
 
@@ -499,12 +533,12 @@ new:	eddie> Oh, my little buggy says to me, as lurgid as
  */
 #define	MIN_END_KEEP	4
 
-private void
-re_update_line(EditLine *el, Char *old, Char *new, int i)
+static void
+re_update_line(EditLine *el, wchar_t *old, wchar_t *new, int i)
 {
-	Char *o, *n, *p, c;
-	Char *ofd, *ols, *oe, *nfd, *nls, *ne;
-	Char *osb, *ose, *nsb, *nse;
+	wchar_t *o, *n, *p, c;
+	wchar_t *ofd, *ols, *oe, *nfd, *nls, *ne;
+	wchar_t *osb, *ose, *nsb, *nse;
 	int fx, sx;
 	size_t len;
 
@@ -561,7 +595,7 @@ re_update_line(EditLine *el, Char *old, Char *new, int i)
 	nls = ++n;
 
 	/*
-         * find same begining and same end
+         * find same beginning and same end
          */
 	osb = ols;
 	nsb = nls;
@@ -969,8 +1003,8 @@ re_update_line(EditLine *el, Char *old, Char *new, int i)
 /* re__copy_and_pad():
  *	Copy string and pad with spaces
  */
-private void
-re__copy_and_pad(Char *dst, const Char *src, size_t width)
+static void
+re__copy_and_pad(wchar_t *dst, const wchar_t *src, size_t width)
 {
 	size_t i;
 
@@ -990,10 +1024,10 @@ re__copy_and_pad(Char *dst, const Char *src, size_t width)
 /* re_refresh_cursor():
  *	Move to the new cursor position
  */
-protected void
+libedit_private void
 re_refresh_cursor(EditLine *el)
 {
-	Char *cp;
+	wchar_t *cp;
 	int h, v, th, w;
 
 	if (el->el_line.cursor >= el->el_line.lastchar) {
@@ -1021,7 +1055,7 @@ re_refresh_cursor(EditLine *el)
 				continue;
 			break;
 		default:
-			w = Width(*cp);
+			w = wcwidth(*cp);
 			if (w > 1 && h + w > th) { /* won't fit on line */
 				h = 0;
 				v++;
@@ -1037,7 +1071,7 @@ re_refresh_cursor(EditLine *el)
 	}
         /* if we have a next character, and it's a doublewidth one, we need to
          * check whether we need to linebreak for it to fit */
-        if (cp < el->el_line.lastchar && (w = Width(*cp)) > 1)
+        if (cp < el->el_line.lastchar && (w = wcwidth(*cp)) > 1)
                 if (h + w > th) {
                     h = 0;
                     v++;
@@ -1053,15 +1087,15 @@ re_refresh_cursor(EditLine *el)
 /* re_fastputc():
  *	Add a character fast.
  */
-private void
+static void
 re_fastputc(EditLine *el, wint_t c)
 {
-	int w = Width((Char)c);
+	int w = wcwidth(c);
 	while (w > 1 && el->el_cursor.h + w > el->el_terminal.t_size.h)
 	    re_fastputc(el, ' ');
 
 	terminal__putc(el, c);
-	el->el_display[el->el_cursor.v][el->el_cursor.h++] = (Char)c;
+	el->el_display[el->el_cursor.v][el->el_cursor.h++] = c;
 	while (--w > 0)
 		el->el_display[el->el_cursor.v][el->el_cursor.h++]
 			= MB_FILL_CHAR;
@@ -1078,12 +1112,12 @@ re_fastputc(EditLine *el, wint_t c)
 		 */
 		if (el->el_cursor.v + 1 >= el->el_terminal.t_size.v) {
 			int i, lins = el->el_terminal.t_size.v;
-			Char *firstline = el->el_display[0];
+			wchar_t *firstline = el->el_display[0];
 
 			for(i = 1; i < lins; i++)
 				el->el_display[i - 1] = el->el_display[i];
 
-			re__copy_and_pad(firstline, STR(""), (size_t)0);
+			re__copy_and_pad(firstline, L"", (size_t)0);
 			el->el_display[i - 1] = firstline;
 		} else {
 			el->el_cursor.v++;
@@ -1106,10 +1140,10 @@ re_fastputc(EditLine *el, wint_t c)
  *	we added just one char, handle it fast.
  *	Assumes that screen cursor == real cursor
  */
-protected void
+libedit_private void
 re_fastaddc(EditLine *el)
 {
-	Char c;
+	wchar_t c;
 	int rhdiff;
 
 	c = el->el_line.cursor[-1];
@@ -1133,9 +1167,9 @@ re_fastaddc(EditLine *el)
 		break;
 	case CHTYPE_ASCIICTL:
 	case CHTYPE_NONPRINT: {
-		Char visbuf[VISUAL_WIDTH_MAX];
+		wchar_t visbuf[VISUAL_WIDTH_MAX];
 		ssize_t i, n =
-		    ct_visual_char(visbuf, VISUAL_WIDTH_MAX, (Char)c);
+		    ct_visual_char(visbuf, VISUAL_WIDTH_MAX, c);
 		for (i = 0; n-- > 0; ++i)
 			re_fastputc(el, visbuf[i]);
 		break;
@@ -1148,7 +1182,7 @@ re_fastaddc(EditLine *el)
 /* re_clear_display():
  *	clear the screen buffers so that new new prompt starts fresh.
  */
-protected void
+libedit_private void
 re_clear_display(EditLine *el)
 {
 	int i;
@@ -1164,7 +1198,7 @@ re_clear_display(EditLine *el)
 /* re_clear_lines():
  *	Make sure all lines are *really* blank
  */
-protected void
+libedit_private void
 re_clear_lines(EditLine *el)
 {