mdocml: Allow leading and trailing vertical lines, and format them in

mdocml: Allow leading and trailing vertical lines, and format them in

[schwarze]

Log Message:
-----------
Allow leading and trailing vertical lines, 
and format them in the same way as groff.
While here, do not require whitespace before vertical lines 
in layout specifications.
Issues found by bentley@ in mpv(1).

Modified Files:
--------------
    mdocml:
        mandoc.h
        tbl_layout.c
        tbl_term.c

Revision Data
-------------
Index: tbl_term.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/tbl_term.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -Ltbl_term.c -Ltbl_term.c -u -p -r1.25 -r1.26
--- tbl_term.c
+++ tbl_term.c
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -105,7 +105,8 @@ term_tbl(struct termp *tp, const struct 
 
 	/* Vertical frame at the start of each row. */
 
-	if (TBL_OPT_BOX & sp->opts->opts || TBL_OPT_DBOX & sp->opts->opts)
+	if ((TBL_OPT_BOX | TBL_OPT_DBOX) & sp->opts->opts ||
+	    sp->head->vert)
 		term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
 			TBL_SPAN_DHORIZ == sp->pos ? "+" : "|");
 
@@ -159,7 +160,8 @@ term_tbl(struct termp *tp, const struct 
 
 	/* Vertical frame at the end of each row. */
 
-	if (TBL_OPT_BOX & sp->opts->opts || TBL_OPT_DBOX & sp->opts->opts)
+	if ((TBL_OPT_BOX | TBL_OPT_DBOX) & sp->opts->opts ||
+	    sp->layout->vert)
 		term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
 			TBL_SPAN_DHORIZ == sp->pos ? "+" : " |");
 	term_flushln(tp);
Index: tbl_layout.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/tbl_layout.c,v
retrieving revision 1.24
retrieving revision 1.25
diff -Ltbl_layout.c -Ltbl_layout.c -u -p -r1.24 -r1.25
--- tbl_layout.c
+++ tbl_layout.c
@@ -1,7 +1,7 @@
 /*	$Id$ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2012 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -100,6 +100,8 @@ mod:
 	case (','):
 		/* FALLTHROUGH */
 	case ('.'):
+		/* FALLTHROUGH */
+	case ('|'):
 		return(1);
 	default:
 		break;
@@ -217,6 +219,13 @@ cell(struct tbl_node *tbl, struct tbl_ro
 		vert++;
 	while (' ' == p[*pos])
 		(*pos)++;
+
+	/* Handle trailing vertical lines */
+
+	if ('.' == p[*pos] || '\0' == p[*pos]) {
+		rp->vert = vert;
+		return(1);
+	}
 
 	/* Parse the column position (`c', `l', `r', ...). */
 
Index: mandoc.h
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mandoc.h,v
retrieving revision 1.118
retrieving revision 1.119
diff -Lmandoc.h -Lmandoc.h -u -p -r1.118 -r1.119
--- mandoc.h
+++ mandoc.h
@@ -240,6 +240,7 @@ struct	tbl_row {
 	struct tbl_row	 *next;
 	struct tbl_cell	 *first;
 	struct tbl_cell	 *last;
+	int		  vert; /* trailing vertical line */
 };
 
 enum	tbl_datt {
--
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