-/* $Id: out.c,v 1.39 2011/03/17 08:49:34 kristaps Exp $ */
+/* $Id: out.c,v 1.61 2015/10/06 18:32:19 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2014, 2015 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
* 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>
#include <assert.h>
-#include <ctype.h>
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
+#include "mandoc_aux.h"
#include "mandoc.h"
#include "out.h"
static void tblcalc_data(struct rofftbl *, struct roffcol *,
- const struct tbl *, const struct tbl_dat *);
+ const struct tbl_opts *, const struct tbl_dat *);
static void tblcalc_literal(struct rofftbl *, struct roffcol *,
const struct tbl_dat *);
static void tblcalc_number(struct rofftbl *, struct roffcol *,
- const struct tbl *, const struct tbl_dat *);
+ const struct tbl_opts *, const struct tbl_dat *);
-/*
- * Convert a `scaling unit' to a consistent form, or fail. Scaling
- * units are documented in groff.7, mdoc.7, man.7.
+
+/*
+ * 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.
*/
int
a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
{
- char buf[BUFSIZ], hasd;
- int i;
- enum roffscale unit;
+ char *endptr;
- if ('\0' == *src)
- return(0);
+ dst->unit = def == SCALE_MAX ? SCALE_BU : def;
+ dst->scale = strtod(src, &endptr);
+ if (endptr == src)
+ return 0;
- i = hasd = 0;
-
- switch (*src) {
- case ('+'):
- src++;
- break;
- case ('-'):
- buf[i++] = *src++;
- break;
- default:
- break;
- }
-
- if ('\0' == *src)
- return(0);
-
- while (i < BUFSIZ) {
- if ( ! isdigit((u_char)*src)) {
- if ('.' != *src)
- break;
- else if (hasd)
- break;
- else
- hasd = 1;
- }
- buf[i++] = *src++;
- }
-
- if (BUFSIZ == i || (*src && *(src + 1)))
- return(0);
-
- buf[i] = '\0';
-
- switch (*src) {
- case ('c'):
- unit = SCALE_CM;
- break;
- case ('i'):
- unit = SCALE_IN;
- break;
- case ('P'):
- unit = SCALE_PC;
+ switch (*endptr++) {
+ case 'c':
+ dst->unit = SCALE_CM;
break;
- case ('p'):
- unit = SCALE_PT;
+ case 'i':
+ dst->unit = SCALE_IN;
break;
- case ('f'):
- unit = SCALE_FS;
+ case 'f':
+ dst->unit = SCALE_FS;
break;
- case ('v'):
- unit = SCALE_VS;
+ case 'M':
+ dst->unit = SCALE_MM;
break;
- case ('m'):
- unit = SCALE_EM;
+ case 'm':
+ dst->unit = SCALE_EM;
break;
- case ('\0'):
- if (SCALE_MAX == def)
- return(0);
- unit = SCALE_BU;
- break;
- case ('u'):
- unit = SCALE_BU;
+ case 'n':
+ dst->unit = SCALE_EN;
break;
- case ('M'):
- unit = SCALE_MM;
+ case 'P':
+ dst->unit = SCALE_PC;
break;
- case ('n'):
- unit = SCALE_EN;
+ case 'p':
+ dst->unit = SCALE_PT;
break;
- default:
- return(0);
- }
-
- /* FIXME: do this in the caller. */
- if ((dst->scale = atof(buf)) < 0)
- dst->scale = 0;
- dst->unit = unit;
- return(1);
-}
-
-
-/*
- * Correctly writes the time in nroff form, which differs from standard
- * form in that a space isn't printed in lieu of the extra %e field for
- * single-digit dates.
- */
-void
-time2a(time_t t, char *dst, size_t sz)
-{
- struct tm tm;
- char buf[5];
- char *p;
- size_t nsz;
-
- assert(sz > 1);
- localtime_r(&t, &tm);
-
- p = dst;
- nsz = 0;
-
- dst[0] = '\0';
-
- if (0 == (nsz = strftime(p, sz, "%B ", &tm)))
- return;
-
- p += (int)nsz;
- sz -= nsz;
-
- if (0 == strftime(buf, sizeof(buf), "%e, ", &tm))
- return;
-
- nsz = strlcat(p, buf + (' ' == buf[0] ? 1 : 0), sz);
-
- if (nsz >= sz)
- return;
-
- p += (int)nsz;
- sz -= nsz;
-
- (void)strftime(p, sz, "%Y", &tm);
-}
-
-
-int
-a2roffdeco(enum roffdeco *d, const char **word, size_t *sz)
-{
- int i, j, lim;
- char term, c;
- const char *wp;
- enum roffdeco dd;
-
- *d = DECO_NONE;
- lim = i = 0;
- term = '\0';
- wp = *word;
-
- switch ((c = wp[i++])) {
- case ('('):
- *d = DECO_SPECIAL;
- lim = 2;
+ case 'u':
+ dst->unit = SCALE_BU;
break;
- case ('F'):
- /* FALLTHROUGH */
- case ('f'):
- *d = 'F' == c ? DECO_FFONT : DECO_FONT;
-
- switch (wp[i++]) {
- case ('('):
- lim = 2;
- break;
- case ('['):
- term = ']';
- break;
- case ('3'):
- /* FALLTHROUGH */
- case ('B'):
- *d = DECO_BOLD;
- return(i);
- case ('2'):
- /* FALLTHROUGH */
- case ('I'):
- *d = DECO_ITALIC;
- return(i);
- case ('P'):
- *d = DECO_PREVIOUS;
- return(i);
- case ('1'):
- /* FALLTHROUGH */
- case ('R'):
- *d = DECO_ROMAN;
- return(i);
- default:
- i--;
- lim = 1;
- break;
- }
+ case 'v':
+ dst->unit = SCALE_VS;
break;
- case ('k'):
- /* FALLTHROUGH */
- case ('M'):
- /* FALLTHROUGH */
- case ('m'):
- /* FALLTHROUGH */
- case ('*'):
- if ('*' == c)
- *d = DECO_RESERVED;
-
- switch (wp[i++]) {
- case ('('):
- lim = 2;
- break;
- case ('['):
- term = ']';
- break;
- default:
- i--;
- lim = 1;
- break;
- }
- break;
-
- case ('N'):
-
- /*
- * Sequence of characters: backslash, 'N' (i = 0),
- * starting delimiter (i = 1), character number (i = 2).
- */
-
- *word = wp + 2;
- *sz = 0;
-
- /*
- * Cannot use a digit as a starting delimiter;
- * but skip the digit anyway.
- */
-
- if (isdigit((int)wp[1]))
- return(2);
-
- /*
- * Any non-digit terminates the character number.
- * That is, the terminating delimiter need not
- * match the starting delimiter.
- */
-
- for (i = 2; isdigit((int)wp[i]); i++)
- (*sz)++;
-
- /*
- * This is only a numbered character
- * if the character number has at least one digit.
- */
-
- if (*sz)
- *d = DECO_NUMBERED;
-
- /*
- * Skip the terminating delimiter, even if it does not
- * match, and even if there is no character number.
- */
-
- return(++i);
-
- case ('h'):
- /* FALLTHROUGH */
- case ('v'):
- /* FALLTHROUGH */
- case ('s'):
- j = 0;
- if ('+' == wp[i] || '-' == wp[i]) {
- i++;
- j = 1;
- }
-
- switch (wp[i++]) {
- case ('('):
- lim = 2;
- break;
- case ('['):
- term = ']';
- break;
- case ('\''):
- term = '\'';
- break;
- case ('0'):
- j = 1;
- /* FALLTHROUGH */
- default:
- i--;
- lim = 1;
- break;
- }
-
- if ('+' == wp[i] || '-' == wp[i]) {
- if (j)
- return(i);
- i++;
- }
-
- /* Handle embedded numerical subexp or escape. */
-
- if ('(' == wp[i]) {
- while (wp[i] && ')' != wp[i])
- if ('\\' == wp[i++]) {
- /* Handle embedded escape. */
- *word = &wp[i];
- i += a2roffdeco(&dd, word, sz);
- }
-
- if (')' == wp[i++])
- break;
-
- *d = DECO_NONE;
- return(i - 1);
- } else if ('\\' == wp[i]) {
- *word = &wp[++i];
- i += a2roffdeco(&dd, word, sz);
- }
-
- break;
- case ('['):
- *d = DECO_SPECIAL;
- term = ']';
- break;
- case ('c'):
- *d = DECO_NOSPACE;
- return(i);
- case ('z'):
- *d = DECO_NONE;
- if ('\\' == wp[i]) {
- *word = &wp[++i];
- return(i + a2roffdeco(&dd, word, sz));
- } else
- lim = 1;
- break;
- case ('o'):
- /* FALLTHROUGH */
- case ('w'):
- if ('\'' == wp[i++]) {
- term = '\'';
- break;
- }
+ case '\0':
+ endptr--;
/* FALLTHROUGH */
default:
- *d = DECO_SSPECIAL;
- i--;
- lim = 1;
+ if (SCALE_MAX == def)
+ return 0;
+ dst->unit = def;
break;
}
- assert(term || lim);
- *word = &wp[i];
-
- if (term) {
- j = i;
- while (wp[i] && wp[i] != term)
- i++;
- if ('\0' == wp[i]) {
- *d = DECO_NONE;
- return(i);
- }
-
- assert(i >= j);
- *sz = (size_t)(i - j);
-
- return(i + 1);
- }
-
- assert(lim > 0);
- *sz = (size_t)lim;
-
- for (j = 0; wp[i] && j < lim; j++)
- i++;
- if (j < lim)
- *d = DECO_NONE;
-
- return(i);
+ return *endptr == '\0' ? 2 : 1;
}
/*
* 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_opts *opts;
const struct tbl_dat *dp;
- const struct tbl_head *hp;
struct roffcol *col;
+ size_t ewidth, xwidth;
+ int spans;
+ int icol, maxcol, necol, nxcol, quirkcol;
/*
* Allocate the master column specifiers. These will hold the
*/
assert(NULL == tbl->cols);
- tbl->cols = mandoc_calloc
- ((size_t)sp->tbl->cols, sizeof(struct roffcol));
-
- hp = sp->head;
+ tbl->cols = mandoc_calloc((size_t)sp->opts->cols,
+ sizeof(struct roffcol));
+ opts = sp->opts;
- for ( ; sp; sp = sp->next) {
+ for (maxcol = -1; sp; sp = sp->next) {
if (TBL_SPAN_DATA != sp->pos)
continue;
+ spans = 1;
/*
* Account for the data cells in the layout, matching it
* to data cells in the data section.
*/
for (dp = sp->first; dp; dp = dp->next) {
- assert(dp->layout);
- col = &tbl->cols[dp->layout->head->ident];
- tblcalc_data(tbl, col, sp->tbl, dp);
+ /* Do not used spanned cells in the calculation. */
+ if (0 < --spans)
+ continue;
+ spans = dp->spans;
+ if (1 < spans)
+ continue;
+ icol = dp->layout->col;
+ 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, opts, dp);
}
}
- /*
- * Calculate width of the spanners. These get one space for a
- * vertical line, two for a double-vertical line.
+ /*
+ * 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.
*/
- for ( ; hp; hp = hp->next) {
- col = &tbl->cols[hp->ident];
- switch (hp->pos) {
- case (TBL_HEAD_VERT):
- col->width = (*tbl->len)(1, tbl->arg);
- break;
- case (TBL_HEAD_DVERT):
- col->width = (*tbl->len)(2, tbl->arg);
- break;
- default:
- break;
+ 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 - xwidth - 3*maxcol -
+ (opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ?
+ 2 : !!opts->lvert + !!opts->rvert);
+
+ /*
+ * Emulate a bug in GNU tbl width calculation that
+ * manifests itself for large numbers of x-columns.
+ * Emulating it for 5 x-columns gives identical
+ * behaviour for up to 6 x-columns.
+ */
+
+ if (nxcol == 5) {
+ quirkcol = xwidth % nxcol + 2;
+ if (quirkcol != 3 && quirkcol != 4)
+ quirkcol = -1;
+ } else
+ quirkcol = -1;
+
+ necol = 0;
+ ewidth = 0;
+ for (icol = 0; icol <= maxcol; icol++) {
+ col = tbl->cols + icol;
+ if ( ! (col->flags & TBL_CELL_WMAX))
+ continue;
+ col->width = (double)xwidth * ++necol / nxcol
+ - ewidth + 0.4995;
+ if (necol == quirkcol)
+ col->width--;
+ ewidth += col->width;
}
}
}
static void
tblcalc_data(struct rofftbl *tbl, struct roffcol *col,
- const struct tbl *tp, const struct tbl_dat *dp)
+ const struct tbl_opts *opts, const struct tbl_dat *dp)
{
size_t sz;
/* Branch down into data sub-types. */
switch (dp->layout->pos) {
- case (TBL_CELL_HORIZ):
+ case TBL_CELL_HORIZ:
/* FALLTHROUGH */
- case (TBL_CELL_DHORIZ):
+ case TBL_CELL_DHORIZ:
sz = (*tbl->len)(1, tbl->arg);
if (col->width < sz)
col->width = sz;
break;
- case (TBL_CELL_LONG):
+ case TBL_CELL_LONG:
/* FALLTHROUGH */
- case (TBL_CELL_CENTRE):
+ case TBL_CELL_CENTRE:
/* FALLTHROUGH */
- case (TBL_CELL_LEFT):
+ case TBL_CELL_LEFT:
/* FALLTHROUGH */
- case (TBL_CELL_RIGHT):
+ case TBL_CELL_RIGHT:
tblcalc_literal(tbl, col, dp);
break;
- case (TBL_CELL_NUMBER):
- tblcalc_number(tbl, col, tp, dp);
+ case TBL_CELL_NUMBER:
+ tblcalc_number(tbl, col, opts, dp);
break;
- case (TBL_CELL_DOWN):
+ case TBL_CELL_DOWN:
break;
default:
abort();
- /* NOTREACHED */
}
}
tblcalc_literal(struct rofftbl *tbl, struct roffcol *col,
const struct tbl_dat *dp)
{
- size_t sz, bufsz, spsz;
+ size_t sz;
const char *str;
- /*
- * Calculate our width and use the spacing, with a minimum
- * spacing dictated by position (centre, e.g,. gets a space on
- * either side, while right/left get a single adjacent space).
- */
-
- bufsz = spsz = 0;
str = dp->string ? dp->string : "";
sz = (*tbl->slen)(str, tbl->arg);
- /* FIXME: TBL_DATA_HORIZ et al.? */
-
- assert(dp->layout);
- switch (dp->layout->pos) {
- case (TBL_CELL_LONG):
- /* FALLTHROUGH */
- case (TBL_CELL_CENTRE):
- bufsz = (*tbl->len)(1, tbl->arg);
- break;
- default:
- bufsz = (*tbl->len)(1, tbl->arg);
- break;
- }
-
- if (dp->layout->spacing) {
- spsz = (*tbl->len)(dp->layout->spacing, tbl->arg);
- bufsz = bufsz > spsz ? bufsz : spsz;
- }
-
- sz += bufsz;
if (col->width < sz)
col->width = sz;
}
static void
tblcalc_number(struct rofftbl *tbl, struct roffcol *col,
- const struct tbl *tp, const struct tbl_dat *dp)
+ const struct tbl_opts *opts, const struct tbl_dat *dp)
{
- int i;
+ int i;
size_t sz, psz, ssz, d;
const char *str;
char *cp;
/*
* First calculate number width and decimal place (last + 1 for
- * no-decimal numbers). If the stored decimal is subsequent
+ * non-decimal numbers). If the stored decimal is subsequent to
* ours, make our size longer by that difference
* (right-"shifting"); similarly, if ours is subsequent the
* stored, then extend the stored size by the difference.
/* FIXME: TBL_DATA_HORIZ et al.? */
- buf[0] = tp->decimal;
+ buf[0] = opts->decimal;
buf[1] = '\0';
psz = (*tbl->slen)(buf, tbl->arg);
- if (NULL != (cp = strrchr(str, tp->decimal))) {
+ if (NULL != (cp = strrchr(str, opts->decimal))) {
buf[1] = '\0';
for (ssz = 0, i = 0; cp != &str[i]; i++) {
buf[0] = str[i];
} else
d = sz + psz;
- /* Padding. */
-
- sz += (*tbl->len)(2, tbl->arg);
- d += (*tbl->len)(1, tbl->arg);
-
/* Adjust the settings for this column. */
if (col->decimal > d) {
col->width = sz;
if (d > col->decimal)
col->decimal = d;
-
- /* Adjust for stipulated width. */
-
- if (col->width < dp->layout->spacing)
- col->width = dp->layout->spacing;
}
-
-
git.ckatri.com / mandoc.git / blobdiff