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-rw-r--r--contrib/mdocml/out.c80
1 files changed, 71 insertions, 9 deletions
diff --git a/contrib/mdocml/out.c b/contrib/mdocml/out.c
index 0e5a63c..5b08a09 100644
--- a/contrib/mdocml/out.c
+++ b/contrib/mdocml/out.c
@@ -1,7 +1,7 @@
-/* $Id: out.c,v 1.49 2014/08/01 19:25:52 schwarze Exp $ */
+/* $Id: out.c,v 1.53 2014/10/14 18:18:05 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 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
@@ -15,9 +15,7 @@
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <sys/types.h>
@@ -112,7 +110,7 @@ a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
case '\0':
if (SCALE_MAX == def)
return(0);
- unit = SCALE_BU;
+ unit = SCALE_EN;
break;
case 'u':
unit = SCALE_BU;
@@ -141,11 +139,14 @@ a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
* used for the actual width calculations.
*/
void
-tblcalc(struct rofftbl *tbl, const struct tbl_span *sp)
+tblcalc(struct rofftbl *tbl, const struct tbl_span *sp,
+ size_t totalwidth)
{
const struct tbl_dat *dp;
struct roffcol *col;
+ size_t ewidth, xwidth;
int spans;
+ int icol, maxcol, necol, nxcol;
/*
* Allocate the master column specifiers. These will hold the
@@ -157,7 +158,7 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp)
tbl->cols = mandoc_calloc((size_t)sp->opts->cols,
sizeof(struct roffcol));
- for ( ; sp; sp = sp->next) {
+ for (maxcol = -1; sp; sp = sp->next) {
if (TBL_SPAN_DATA != sp->pos)
continue;
spans = 1;
@@ -172,11 +173,72 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp)
spans = dp->spans;
if (1 < spans)
continue;
- assert(dp->layout);
- col = &tbl->cols[dp->layout->head->ident];
+ icol = dp->layout->head->ident;
+ if (maxcol < icol)
+ maxcol = icol;
+ col = tbl->cols + icol;
+ col->flags |= dp->layout->flags;
+ if (dp->layout->flags & TBL_CELL_WIGN)
+ continue;
tblcalc_data(tbl, col, sp->opts, dp);
}
}
+
+ /*
+ * Count columns to equalize and columns to maximize.
+ * Find maximum width of the columns to equalize.
+ * Find total width of the columns *not* to maximize.
+ */
+
+ necol = nxcol = 0;
+ ewidth = xwidth = 0;
+ for (icol = 0; icol <= maxcol; icol++) {
+ col = tbl->cols + icol;
+ if (col->flags & TBL_CELL_EQUAL) {
+ necol++;
+ if (ewidth < col->width)
+ ewidth = col->width;
+ }
+ if (col->flags & TBL_CELL_WMAX)
+ nxcol++;
+ else
+ xwidth += col->width;
+ }
+
+ /*
+ * Equalize columns, if requested for any of them.
+ * Update total width of the columns not to maximize.
+ */
+
+ if (necol) {
+ for (icol = 0; icol <= maxcol; icol++) {
+ col = tbl->cols + icol;
+ if ( ! (col->flags & TBL_CELL_EQUAL))
+ continue;
+ if (col->width == ewidth)
+ continue;
+ if (nxcol && totalwidth)
+ xwidth += ewidth - col->width;
+ col->width = ewidth;
+ }
+ }
+
+ /*
+ * If there are any columns to maximize, find the total
+ * available width, deducting 3n margins between columns.
+ * Distribute the available width evenly.
+ */
+
+ if (nxcol && totalwidth) {
+ xwidth = totalwidth - 3*maxcol - xwidth;
+ for (icol = 0; icol <= maxcol; icol++) {
+ col = tbl->cols + icol;
+ if ( ! (col->flags & TBL_CELL_WMAX))
+ continue;
+ col->width = xwidth / nxcol--;
+ xwidth -= col->width;
+ }
+ }
}
static void
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