-/* $Id: out.c,v 1.63 2017/05/01 20:54:59 schwarze Exp $ */
+/* $Id: out.c,v 1.72 2018/08/18 20:18:14 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011,2014,2015,2017,2018 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
#include <sys/types.h>
#include <assert.h>
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "out.h"
static void tblcalc_data(struct rofftbl *, struct roffcol *,
- const struct tbl_opts *, const struct tbl_dat *);
+ const struct tbl_opts *, const struct tbl_dat *,
+ size_t);
static void tblcalc_literal(struct rofftbl *, struct roffcol *,
- const struct tbl_dat *);
+ const struct tbl_dat *, size_t);
static void tblcalc_number(struct rofftbl *, struct roffcol *,
const struct tbl_opts *, const struct tbl_dat *);
* Parse the *src string and store a scaling unit into *dst.
* If the string doesn't specify the unit, use the default.
* If no default is specified, fail.
- * Return 2 on complete success, 1 when a conversion was done,
- * but there was trailing garbage, and 0 on total failure.
+ * Return a pointer to the byte after the last byte used,
+ * or NULL on total failure.
*/
-int
+const char *
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
{
char *endptr;
dst->unit = def == SCALE_MAX ? SCALE_BU : def;
dst->scale = strtod(src, &endptr);
if (endptr == src)
- return 0;
+ return NULL;
switch (*endptr++) {
case 'c':
case 'v':
dst->unit = SCALE_VS;
break;
- case '\0':
- endptr--;
- /* FALLTHROUGH */
default:
+ endptr--;
if (SCALE_MAX == def)
- return 0;
+ return NULL;
dst->unit = def;
break;
}
-
- return *endptr == '\0' ? 2 : 1;
+ return endptr;
}
/*
*/
void
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp,
- size_t totalwidth)
+ size_t offset, size_t rmargin)
{
+ struct roffsu su;
const struct tbl_opts *opts;
const struct tbl_dat *dp;
struct roffcol *col;
if (1 < spans)
continue;
icol = dp->layout->col;
- if (maxcol < icol)
- maxcol = icol;
+ while (maxcol < icol)
+ tbl->cols[++maxcol].spacing = SIZE_MAX;
col = tbl->cols + icol;
col->flags |= dp->layout->flags;
if (dp->layout->flags & TBL_CELL_WIGN)
continue;
- tblcalc_data(tbl, col, opts, dp);
+ if (dp->layout->wstr != NULL &&
+ dp->layout->width == 0 &&
+ a2roffsu(dp->layout->wstr, &su, SCALE_EN)
+ != NULL)
+ dp->layout->width =
+ (*tbl->sulen)(&su, tbl->arg);
+ if (col->width < dp->layout->width)
+ col->width = dp->layout->width;
+ if (dp->layout->spacing != SIZE_MAX &&
+ (col->spacing == SIZE_MAX ||
+ col->spacing < dp->layout->spacing))
+ col->spacing = dp->layout->spacing;
+ tblcalc_data(tbl, col, opts, dp,
+ dp->block == 0 ? 0 :
+ dp->layout->width ? dp->layout->width :
+ rmargin ? (rmargin + sp->opts->cols / 2)
+ / (sp->opts->cols + 1) : 0);
}
}
/*
+ * Align numbers with text.
* 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.
ewidth = xwidth = 0;
for (icol = 0; icol <= maxcol; icol++) {
col = tbl->cols + icol;
+ if (col->width > col->nwidth)
+ col->decimal += (col->width - col->nwidth) / 2;
+ else
+ col->width = col->nwidth;
+ if (col->spacing == SIZE_MAX || icol == maxcol)
+ col->spacing = 3;
if (col->flags & TBL_CELL_EQUAL) {
necol++;
if (ewidth < col->width)
continue;
if (col->width == ewidth)
continue;
- if (nxcol && totalwidth)
+ if (nxcol && rmargin)
xwidth += ewidth - col->width;
col->width = ewidth;
}
* Distribute the available width evenly.
*/
- if (nxcol && totalwidth) {
+ if (nxcol && rmargin) {
xwidth += 3*maxcol +
(opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ?
2 : !!opts->lvert + !!opts->rvert);
- if (xwidth >= totalwidth)
+ if (rmargin <= offset + xwidth)
return;
- xwidth = totalwidth - xwidth;
+ xwidth = rmargin - offset - xwidth;
/*
* Emulate a bug in GNU tbl width calculation that
static void
tblcalc_data(struct rofftbl *tbl, struct roffcol *col,
- const struct tbl_opts *opts, const struct tbl_dat *dp)
+ const struct tbl_opts *opts, const struct tbl_dat *dp, size_t mw)
{
size_t sz;
case TBL_CELL_CENTRE:
case TBL_CELL_LEFT:
case TBL_CELL_RIGHT:
- tblcalc_literal(tbl, col, dp);
+ tblcalc_literal(tbl, col, dp, mw);
break;
case TBL_CELL_NUMBER:
tblcalc_number(tbl, col, opts, dp);
static void
tblcalc_literal(struct rofftbl *tbl, struct roffcol *col,
- const struct tbl_dat *dp)
+ const struct tbl_dat *dp, size_t mw)
{
- size_t sz;
- const char *str;
-
- str = dp->string ? dp->string : "";
- sz = (*tbl->slen)(str, tbl->arg);
-
- if (col->width < sz)
- col->width = sz;
+ const char *str; /* Beginning of the first line. */
+ const char *beg; /* Beginning of the current line. */
+ char *end; /* End of the current line. */
+ size_t lsz; /* Length of the current line. */
+ size_t wsz; /* Length of the current word. */
+
+ if (dp->string == NULL || *dp->string == '\0')
+ return;
+ str = mw ? mandoc_strdup(dp->string) : dp->string;
+ lsz = 0;
+ for (beg = str; beg != NULL && *beg != '\0'; beg = end) {
+ end = mw ? strchr(beg, ' ') : NULL;
+ if (end != NULL) {
+ *end++ = '\0';
+ while (*end == ' ')
+ end++;
+ }
+ wsz = (*tbl->slen)(beg, tbl->arg);
+ if (mw && lsz && lsz + 1 + wsz <= mw)
+ lsz += 1 + wsz;
+ else
+ lsz = wsz;
+ if (col->width < lsz)
+ col->width = lsz;
+ }
+ if (mw)
+ free((void *)str);
}
static void
const struct tbl_opts *opts, const struct tbl_dat *dp)
{
int i;
- size_t sz, psz, ssz, d;
+ size_t sz, ssz, d;
const char *str;
char *cp;
char buf[2];
buf[0] = opts->decimal;
buf[1] = '\0';
- psz = (*tbl->slen)(buf, tbl->arg);
-
if (NULL != (cp = strrchr(str, opts->decimal))) {
buf[1] = '\0';
for (ssz = 0, i = 0; cp != &str[i]; i++) {
buf[0] = str[i];
ssz += (*tbl->slen)(buf, tbl->arg);
}
- d = ssz + psz;
+ d = ssz;
} else
- d = sz + psz;
+ d = sz;
/* Adjust the settings for this column. */
sz += col->decimal - d;
d = col->decimal;
} else
- col->width += d - col->decimal;
+ col->nwidth += d - col->decimal;
- if (sz > col->width)
- col->width = sz;
+ if (sz > col->nwidth)
+ col->nwidth = sz;
if (d > col->decimal)
col->decimal = d;
}