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-rw-r--r--usr.bin/mg/def.h3
-rw-r--r--usr.bin/mg/line.c97
-rw-r--r--usr.bin/mg/undo.c28
3 files changed, 47 insertions, 81 deletions
diff --git a/usr.bin/mg/def.h b/usr.bin/mg/def.h
index a6bd33ef798..3cab2907800 100644
--- a/usr.bin/mg/def.h
+++ b/usr.bin/mg/def.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: def.h,v 1.64 2005/06/14 18:14:40 kjell Exp $ */
+/* $OpenBSD: def.h,v 1.65 2005/10/06 16:48:00 kjell Exp $ */
/* This file is in the public domain. */
@@ -596,6 +596,7 @@ int undo_enable(int);
int undo_add_boundary(void);
int undo_add_insert(LINE *, int, int);
int undo_add_delete(LINE *, int, int);
+void undo_no_boundary(int);
int undo_add_change(LINE *, int, int);
int undo(int, int);
diff --git a/usr.bin/mg/line.c b/usr.bin/mg/line.c
index 30c1d379a27..2d7fd220b7b 100644
--- a/usr.bin/mg/line.c
+++ b/usr.bin/mg/line.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: line.c,v 1.23 2005/06/14 18:14:40 kjell Exp $ */
+/* $OpenBSD: line.c,v 1.24 2005/10/06 16:48:00 kjell Exp $ */
/* This file is in the public domain. */
@@ -336,18 +336,17 @@ lnewline_at(LINE *lp1, int doto)
LINE *lp2;
int nlen;
MGWIN *wp;
+ int retval = TRUE;
lchange(WFHARD);
- undo_add_boundary();
- undo_add_insert(lp1, llength(lp1), 1);
- undo_add_boundary();
-
/* avoid unnecessary copying */
if (doto == 0) {
/* new first part */
- if ((lp2 = lalloc(0)) == NULL)
- return (FALSE);
+ if ((lp2 = lalloc(0)) == NULL) {
+ retval = FALSE;
+ goto lnl_done;
+ }
lp2->l_bp = lp1->l_bp;
lp1->l_bp->l_fp = lp2;
lp2->l_fp = lp1;
@@ -355,15 +354,17 @@ lnewline_at(LINE *lp1, int doto)
for (wp = wheadp; wp != NULL; wp = wp->w_wndp)
if (wp->w_linep == lp1)
wp->w_linep = lp2;
- return (TRUE);
+ goto lnl_done;
}
/* length of new part */
nlen = llength(lp1) - doto;
/* new second half line */
- if ((lp2 = lalloc(nlen)) == NULL)
- return (FALSE);
+ if ((lp2 = lalloc(nlen)) == NULL) {
+ retval = FALSE;
+ goto lnl_done;
+ }
if (nlen != 0)
bcopy(&lp1->l_text[doto], &lp2->l_text[0], nlen);
lp1->l_used = doto;
@@ -382,7 +383,11 @@ lnewline_at(LINE *lp1, int doto)
wp->w_marko -= doto;
}
}
- return (TRUE);
+lnl_done:
+ undo_add_boundary();
+ undo_add_insert(lp1, llength(lp1), 1);
+ undo_add_boundary();
+ return (retval);
}
/*
@@ -576,77 +581,23 @@ int
lreplace(RSIZE plen, char *st, int f)
{
RSIZE rlen; /* replacement length */
- int rtype; /* capitalization */
- int c; /* used for random characters */
- int doto; /* offset into line */
if (curbp->b_flag & BFREADONLY) {
ewprintf("Buffer is read only");
return (FALSE);
}
-
- undo_add_change(curwp->w_dotp, curwp->w_doto, plen);
-
- /*
- * Find the capitalization of the word that was found. f says use
- * exact case of replacement string (same thing that happens with
- * lowercase found), so bypass check.
- */
- /* NOSTRICT */
+ undo_add_boundary();
+ undo_no_boundary(TRUE);
+
(void)backchar(FFARG | FFRAND, (int)plen);
- rtype = _MG_L;
- c = lgetc(curwp->w_dotp, curwp->w_doto);
- if (ISUPPER(c) != FALSE && f == FALSE) {
- rtype = _MG_U | _MG_L;
- if (curwp->w_doto + 1 < llength(curwp->w_dotp)) {
- c = lgetc(curwp->w_dotp, curwp->w_doto + 1);
- if (ISUPPER(c) != FALSE) {
- rtype = _MG_U;
- }
- }
- }
+ (void)ldelete(plen, KNONE);
- /*
- * make the string lengths match (either pad the line
- * so that it will fit, or scrunch out the excess).
- * be careful with dot's offset.
- */
rlen = strlen(st);
- doto = curwp->w_doto;
- if (plen > rlen)
- (void)ldelete((RSIZE) (plen - rlen), KNONE);
- else if (plen < rlen) {
- if (linsert((int)(rlen - plen), ' ') == FALSE)
- return (FALSE);
- }
- curwp->w_doto = doto;
-
- /*
- * do the replacement: If was capital, then place first
- * char as if upper, and subsequent chars as if lower.
- * If inserting upper, check replacement for case.
- */
- while ((c = CHARMASK(*st++)) != '\0') {
- if ((rtype & _MG_U) != 0 && ISLOWER(c) != 0)
- c = TOUPPER(c);
- if (rtype == (_MG_U | _MG_L))
- rtype = _MG_L;
- if (c == CCHR('J')) {
- if (curwp->w_doto == llength(curwp->w_dotp))
- (void)forwchar(FFRAND, 1);
- else {
- if (ldelete((RSIZE) 1, KNONE) != FALSE)
- (void)lnewline();
- }
- } else if (curwp->w_dotp == curbp->b_linep) {
- (void)linsert(1, c);
- } else if (curwp->w_doto == llength(curwp->w_dotp)) {
- if (ldelete((RSIZE) 1, KNONE) != FALSE)
- (void)linsert(1, c);
- } else
- lputc(curwp->w_dotp, curwp->w_doto++, c);
- }
+ region_put_data(st, rlen);
lchange(WFHARD);
+
+ undo_no_boundary(FALSE);
+ undo_add_boundary();
return (TRUE);
}
diff --git a/usr.bin/mg/undo.c b/usr.bin/mg/undo.c
index 3630f3f5354..f5e7d5c3f2e 100644
--- a/usr.bin/mg/undo.c
+++ b/usr.bin/mg/undo.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: undo.c,v 1.27 2005/05/29 21:37:49 cloder Exp $ */
+/* $OpenBSD: undo.c,v 1.28 2005/10/06 16:48:00 kjell Exp $ */
/*
* Copyright (c) 2002 Vincent Labrecque <vincent@openbsd.org>
* All rights reserved.
@@ -184,6 +184,13 @@ undo_enable(int on)
return (pon ? FALSE : TRUE);
}
+void
+undo_no_boundary(int flag)
+{
+ if (!undo_disable_flag)
+ nobound = flag;
+}
+
int
undo_add_boundary(void)
{
@@ -192,6 +199,9 @@ undo_add_boundary(void)
if (nobound)
return (TRUE);
+ if (lastrectype() == BOUNDARY)
+ return (TRUE);
+
rec = new_undo_record();
rec->type = BOUNDARY;
@@ -304,10 +314,10 @@ undo_add_change(LINE *lp, int offset, int size)
if (undo_disable_flag)
return (TRUE);
undo_add_boundary();
- nobound = 1;
+ nobound = TRUE;
undo_add_delete(lp, offset, size);
undo_add_insert(lp, offset, size);
- nobound = 0;
+ nobound = FALSE;
undo_add_boundary();
return (TRUE);
@@ -408,14 +418,17 @@ undo(int f, int n)
int done, rval;
LINE *lp;
int offset, save, dot;
+ static int nulled = FALSE;
dot = find_dot(curwp->w_dotp, curwp->w_doto);
ptr = curwp->w_undoptr;
/* if we moved, make ptr point back to the top of the list */
- if (ptr == NULL || curwp->w_undopos != dot)
+ if ((ptr == NULL && nulled == TRUE) || curwp->w_undopos != dot) {
ptr = LIST_FIRST(&curwp->w_undo);
+ nulled = TRUE;
+ }
rval = TRUE;
while (n--) {
@@ -434,19 +447,20 @@ undo(int f, int n)
if (ptr == NULL) {
ewprintf("No further undo information");
rval = FALSE;
+ nulled = TRUE;
break;
}
+ nulled = FALSE;
/*
* Loop while we don't get a boundary specifying we've
* finished the current action...
*/
- if (lastrectype() != BOUNDARY)
- undo_add_boundary();
+ undo_add_boundary();
save = nobound;
- nobound = 1;
+ nobound = TRUE;
done = 0;
do {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 21:23:25 +0000