diff options
| -rw-r--r-- | usr.bin/mg/def.h | 3 | ||||
| -rw-r--r-- | usr.bin/mg/undo.c | 56 |
2 files changed, 57 insertions, 2 deletions
diff --git a/usr.bin/mg/def.h b/usr.bin/mg/def.h index 603a3f77255..6f4734237bf 100644 --- a/usr.bin/mg/def.h +++ b/usr.bin/mg/def.h @@ -1,4 +1,4 @@ -/* $OpenBSD: def.h,v 1.37 2002/03/16 04:17:36 vincent Exp $ */ +/* $OpenBSD: def.h,v 1.38 2002/03/16 20:29:21 vincent Exp $ */ #include <sys/queue.h> @@ -578,6 +578,7 @@ int cntnonmatchlines(int, int); /* undo.c X */ void free_undo_record(struct undo_rec *); int undo_init(void); +int undo_dump(void); int undo_enable(int); int undo_add_custom(int, LINE *, int, void *, int); int undo_add_boundary(void); diff --git a/usr.bin/mg/undo.c b/usr.bin/mg/undo.c index 5bfecff4e89..9e98d8dae92 100644 --- a/usr.bin/mg/undo.c +++ b/usr.bin/mg/undo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: undo.c,v 1.7 2002/02/26 00:45:45 vincent Exp $ */ +/* $OpenBSD: undo.c,v 1.8 2002/03/16 20:29:21 vincent Exp $ */ /* * Copyright (c) 2002 Vincent Labrecque <vincent@openbsd.org> * All rights reserved. @@ -377,6 +377,60 @@ undo_add_change(LINE *lp, int offset, int size) return TRUE; } +/* + * Show the undo records for the current buffer in a new buffer. + */ +int +undo_dump(void) +{ + struct undo_rec *rec; + BUFFER *bp; + MGWIN *wp; + char buf[4096], tmp[1024]; + int num; + + /* + * Prepare the buffer for insertion. + */ + if ((bp = bfind("*undo*", TRUE)) == NULL) + return FALSE; + + bclear(bp); + popbuf(bp); + + for (wp = wheadp; wp != NULL; wp = wp->w_wndp) + if (wp->w_bufp == bp) { + wp->w_dotp = bp->b_linep; + wp->w_doto = 0; + } + + num = 0; + for (rec = LIST_FIRST(&curbp->b_undo); rec != NULL; + rec = LIST_NEXT(rec, next)) { + num++; + snprintf(buf, sizeof buf, + "Record %d =>\t %s at %d ", num, + (rec->type == DELETE) ? "DELETE": + (rec->type == INSERT) ? "INSERT": + (rec->type == CHANGE) ? "CHANGE": + (rec->type == BOUNDARY) ? "----" : "UNKNOWN", + rec->pos); + if (rec->type == DELETE || rec->type == CHANGE) { + + strlcat(buf, "\"", sizeof buf); + snprintf(tmp, sizeof tmp, "%.*s", rec->region.r_size, + rec->content); + strlcat(buf, tmp, sizeof buf); + strlcat(buf, "\"", sizeof buf); + } + snprintf(tmp, sizeof buf, " [%d]", rec->region.r_size); + strlcat(buf, tmp, sizeof buf); + + addlinef(bp, buf); + } + return TRUE; +} + int undo(int f, int n) { |