-/* $Id: tbl_term.c,v 1.25 2013/05/31 21:37:17 schwarze Exp $ */
+/* $Id: tbl_term.c,v 1.43 2015/10/12 00:08:16 schwarze Exp $ */
/*
* Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012, 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 <stdio.h>
static size_t term_tbl_strlen(const char *, void *);
static void tbl_char(struct termp *, char, size_t);
static void tbl_data(struct termp *, const struct tbl_opts *,
- const struct tbl_dat *,
+ const struct tbl_dat *,
const struct roffcol *);
-static size_t tbl_rulewidth(struct termp *, const struct tbl_head *);
-static void tbl_hframe(struct termp *, const struct tbl_span *, int);
-static void tbl_literal(struct termp *, const struct tbl_dat *,
+static void tbl_literal(struct termp *, const struct tbl_dat *,
const struct roffcol *);
-static void tbl_number(struct termp *, const struct tbl_opts *,
- const struct tbl_dat *,
+static void tbl_number(struct termp *, const struct tbl_opts *,
+ const struct tbl_dat *,
const struct roffcol *);
-static void tbl_hrule(struct termp *, const struct tbl_span *);
-static void tbl_vrule(struct termp *, const struct tbl_head *);
+static void tbl_hrule(struct termp *, const struct tbl_span *, int);
+static void tbl_word(struct termp *, const struct tbl_dat *);
static size_t
term_tbl_strlen(const char *p, void *arg)
{
- return(term_strlen((const struct termp *)arg, p));
+ return term_strlen((const struct termp *)arg, p);
}
static size_t
term_tbl_len(size_t sz, void *arg)
{
- return(term_len((const struct termp *)arg, sz));
+ return term_len((const struct termp *)arg, sz);
}
void
term_tbl(struct termp *tp, const struct tbl_span *sp)
{
- const struct tbl_head *hp;
+ const struct tbl_cell *cp;
const struct tbl_dat *dp;
- struct roffcol *col;
- int spans;
- size_t rmargin, maxrmargin;
+ static size_t offset;
+ size_t rmargin, maxrmargin, tsz;
+ int ic, horiz, spans, vert;
rmargin = tp->rmargin;
maxrmargin = tp->maxrmargin;
* calculate the table widths and decimal positions.
*/
- if (TBL_SPAN_FIRST & sp->flags) {
- term_flushln(tp);
-
+ if (tp->tbl.cols == NULL) {
tp->tbl.len = term_tbl_len;
tp->tbl.slen = term_tbl_strlen;
tp->tbl.arg = tp;
- tblcalc(&tp->tbl, sp);
- }
+ tblcalc(&tp->tbl, sp, rmargin - tp->offset);
+
+ /* Center the table as a whole. */
+
+ offset = tp->offset;
+ if (sp->opts->opts & TBL_OPT_CENTRE) {
+ tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
+ ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
+ for (ic = 0; ic < sp->opts->cols; ic++)
+ tsz += tp->tbl.cols[ic].width + 3;
+ tsz -= 3;
+ if (offset + tsz > rmargin)
+ tsz -= 1;
+ tp->offset = (offset + rmargin > tsz) ?
+ (offset + rmargin - tsz) / 2 : 0;
+ }
- /* Horizontal frame at the start of boxed tables. */
+ /* Horizontal frame at the start of boxed tables. */
- if (TBL_SPAN_FIRST & sp->flags) {
- if (TBL_OPT_DBOX & sp->opts->opts)
- tbl_hframe(tp, sp, 1);
- if (TBL_OPT_DBOX & sp->opts->opts ||
- TBL_OPT_BOX & sp->opts->opts)
- tbl_hframe(tp, sp, 0);
+ if (sp->opts->opts & TBL_OPT_DBOX)
+ tbl_hrule(tp, sp, 2);
+ if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
+ tbl_hrule(tp, sp, 1);
}
/* Vertical frame at the start of each row. */
- if (TBL_OPT_BOX & sp->opts->opts || TBL_OPT_DBOX & sp->opts->opts)
- term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
- TBL_SPAN_DHORIZ == sp->pos ? "+" : "|");
+ horiz = sp->pos == TBL_SPAN_HORIZ || sp->pos == TBL_SPAN_DHORIZ;
+
+ if (sp->layout->vert ||
+ (sp->prev != NULL && sp->prev->layout->vert) ||
+ sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
+ term_word(tp, horiz ? "+" : "|");
+ else if (sp->opts->lvert)
+ tbl_char(tp, horiz ? '-' : ASCII_NBRSP, 1);
/*
* Now print the actual data itself depending on the span type.
- * Spanner spans get a horizontal rule; data spanners have their
- * data printed by matching data to header.
+ * Match data cells to column numbers.
*/
- switch (sp->pos) {
- case (TBL_SPAN_HORIZ):
- /* FALLTHROUGH */
- case (TBL_SPAN_DHORIZ):
- tbl_hrule(tp, sp);
- break;
- case (TBL_SPAN_DATA):
- /* Iterate over template headers. */
+ if (sp->pos == TBL_SPAN_DATA) {
+ cp = sp->layout->first;
dp = sp->first;
spans = 0;
- for (hp = sp->head; hp; hp = hp->next) {
+ for (ic = 0; ic < sp->opts->cols; ic++) {
- /*
- * If the current data header is invoked during
- * a spanner ("spans" > 0), don't emit anything
- * at all.
+ /*
+ * Remeber whether we need a vertical bar
+ * after this cell.
*/
- if (--spans >= 0)
- continue;
+ vert = cp == NULL ? 0 : cp->vert;
- /* Separate columns. */
-
- if (NULL != hp->prev)
- tbl_vrule(tp, hp);
-
- col = &tp->tbl.cols[hp->ident];
- tbl_data(tp, sp->opts, dp, col);
+ /*
+ * Print the data and advance to the next cell.
+ */
- /*
- * Go to the next data cell and assign the
- * number of subsequent spans, if applicable.
+ if (spans == 0) {
+ tbl_data(tp, sp->opts, dp, tp->tbl.cols + ic);
+ if (dp != NULL) {
+ spans = dp->spans;
+ dp = dp->next;
+ }
+ } else
+ spans--;
+ if (cp != NULL)
+ cp = cp->next;
+
+ /*
+ * Separate columns, except in the middle
+ * of spans and after the last cell.
*/
- if (dp) {
- spans = dp->spans;
- dp = dp->next;
- }
+ if (ic + 1 == sp->opts->cols || spans)
+ continue;
+
+ tbl_char(tp, ASCII_NBRSP, 1);
+ if (vert > 0)
+ tbl_char(tp, '|', vert);
+ if (vert < 2)
+ tbl_char(tp, ASCII_NBRSP, 2 - vert);
}
- break;
- }
+ } else if (horiz)
+ tbl_hrule(tp, sp, 0);
/* Vertical frame at the end of each row. */
- if (TBL_OPT_BOX & sp->opts->opts || TBL_OPT_DBOX & sp->opts->opts)
- term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
- TBL_SPAN_DHORIZ == sp->pos ? "+" : " |");
+ if (sp->layout->last->vert ||
+ (sp->prev != NULL && sp->prev->layout->last->vert) ||
+ (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
+ term_word(tp, horiz ? "+" : " |");
+ else if (sp->opts->rvert)
+ tbl_char(tp, horiz ? '-' : ASCII_NBRSP, 1);
term_flushln(tp);
/*
* existing table configuration and set it to NULL.
*/
- if (TBL_SPAN_LAST & sp->flags) {
- if (TBL_OPT_DBOX & sp->opts->opts ||
- TBL_OPT_BOX & sp->opts->opts) {
- tbl_hframe(tp, sp, 0);
+ if (sp->next == NULL) {
+ if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
+ tbl_hrule(tp, sp, 1);
tp->skipvsp = 1;
}
- if (TBL_OPT_DBOX & sp->opts->opts) {
- tbl_hframe(tp, sp, 1);
+ if (sp->opts->opts & TBL_OPT_DBOX) {
+ tbl_hrule(tp, sp, 2);
tp->skipvsp = 2;
}
assert(tp->tbl.cols);
free(tp->tbl.cols);
tp->tbl.cols = NULL;
+ tp->offset = offset;
}
tp->flags &= ~TERMP_NONOSPACE;
tp->rmargin = rmargin;
tp->maxrmargin = maxrmargin;
-
-}
-
-/*
- * Horizontal rules extend across the entire table.
- * Calculate the width by iterating over columns.
- */
-static size_t
-tbl_rulewidth(struct termp *tp, const struct tbl_head *hp)
-{
- size_t width;
-
- width = tp->tbl.cols[hp->ident].width;
-
- /* Account for leading blanks. */
- if (hp->prev)
- width += 2 - hp->vert;
-
- /* Account for trailing blank. */
- width++;
-
- return(width);
}
/*
- * Rules inside the table can be single or double
- * and have crossings with vertical rules marked with pluses.
+ * Kinds of horizontal rulers:
+ * 0: inside the table (single or double line with crossings)
+ * 1: inner frame (single line with crossings and ends)
+ * 2: outer frame (single line without crossings with ends)
*/
static void
-tbl_hrule(struct termp *tp, const struct tbl_span *sp)
+tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
{
- const struct tbl_head *hp;
- char c;
-
- c = '-';
- if (TBL_SPAN_DHORIZ == sp->pos)
- c = '=';
-
- for (hp = sp->head; hp; hp = hp->next) {
- if (hp->prev && hp->vert)
- tbl_char(tp, '+', hp->vert);
- tbl_char(tp, c, tbl_rulewidth(tp, hp));
+ const struct tbl_cell *c1, *c2;
+ int vert;
+ char line, cross;
+
+ line = (kind == 0 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
+ cross = (kind < 2) ? '+' : '-';
+
+ if (kind)
+ term_word(tp, "+");
+ c1 = sp->layout->first;
+ c2 = sp->prev == NULL ? NULL : sp->prev->layout->first;
+ if (c2 == c1)
+ c2 = NULL;
+ for (;;) {
+ tbl_char(tp, line, tp->tbl.cols[c1->col].width + 1);
+ vert = c1->vert;
+ if ((c1 = c1->next) == NULL)
+ break;
+ if (c2 != NULL) {
+ if (vert < c2->vert)
+ vert = c2->vert;
+ c2 = c2->next;
+ }
+ if (vert)
+ tbl_char(tp, cross, vert);
+ if (vert < 2)
+ tbl_char(tp, line, 2 - vert);
}
-}
-
-/*
- * Rules above and below the table are always single
- * and have an additional plus at the beginning and end.
- * For double frames, this function is called twice,
- * and the outer one does not have crossings.
- */
-static void
-tbl_hframe(struct termp *tp, const struct tbl_span *sp, int outer)
-{
- const struct tbl_head *hp;
-
- term_word(tp, "+");
- for (hp = sp->head; hp; hp = hp->next) {
- if (hp->prev && hp->vert)
- tbl_char(tp, (outer ? '-' : '+'), hp->vert);
- tbl_char(tp, '-', tbl_rulewidth(tp, hp));
+ if (kind) {
+ term_word(tp, "+");
+ term_flushln(tp);
}
- term_word(tp, "+");
- term_flushln(tp);
}
static void
tbl_data(struct termp *tp, const struct tbl_opts *opts,
- const struct tbl_dat *dp,
- const struct roffcol *col)
+ const struct tbl_dat *dp,
+ const struct roffcol *col)
{
- if (NULL == dp) {
+ if (dp == NULL) {
tbl_char(tp, ASCII_NBRSP, col->width);
return;
}
- assert(dp->layout);
switch (dp->pos) {
- case (TBL_DATA_NONE):
+ case TBL_DATA_NONE:
tbl_char(tp, ASCII_NBRSP, col->width);
return;
- case (TBL_DATA_HORIZ):
- /* FALLTHROUGH */
- case (TBL_DATA_NHORIZ):
+ case TBL_DATA_HORIZ:
+ case TBL_DATA_NHORIZ:
tbl_char(tp, '-', col->width);
return;
- case (TBL_DATA_NDHORIZ):
- /* FALLTHROUGH */
- case (TBL_DATA_DHORIZ):
+ case TBL_DATA_NDHORIZ:
+ case TBL_DATA_DHORIZ:
tbl_char(tp, '=', col->width);
return;
default:
break;
}
-
+
switch (dp->layout->pos) {
- case (TBL_CELL_HORIZ):
+ case TBL_CELL_HORIZ:
tbl_char(tp, '-', col->width);
break;
- case (TBL_CELL_DHORIZ):
+ case TBL_CELL_DHORIZ:
tbl_char(tp, '=', col->width);
break;
- case (TBL_CELL_LONG):
- /* FALLTHROUGH */
- case (TBL_CELL_CENTRE):
- /* FALLTHROUGH */
- case (TBL_CELL_LEFT):
- /* FALLTHROUGH */
- case (TBL_CELL_RIGHT):
+ case TBL_CELL_LONG:
+ case TBL_CELL_CENTRE:
+ case TBL_CELL_LEFT:
+ case TBL_CELL_RIGHT:
tbl_literal(tp, dp, col);
break;
- case (TBL_CELL_NUMBER):
+ case TBL_CELL_NUMBER:
tbl_number(tp, opts, dp, col);
break;
- case (TBL_CELL_DOWN):
+ case TBL_CELL_DOWN:
tbl_char(tp, ASCII_NBRSP, col->width);
break;
default:
abort();
- /* NOTREACHED */
}
}
-static void
-tbl_vrule(struct termp *tp, const struct tbl_head *hp)
-{
-
- tbl_char(tp, ASCII_NBRSP, 1);
- if (0 < hp->vert)
- tbl_char(tp, '|', hp->vert);
- if (2 > hp->vert)
- tbl_char(tp, ASCII_NBRSP, 2 - hp->vert);
-}
-
static void
tbl_char(struct termp *tp, char c, size_t len)
{
}
static void
-tbl_literal(struct termp *tp, const struct tbl_dat *dp,
+tbl_literal(struct termp *tp, const struct tbl_dat *dp,
const struct roffcol *col)
{
- struct tbl_head *hp;
- size_t width, len, padl, padr;
- int spans;
+ size_t len, padl, padr, width;
+ int ic, spans;
assert(dp->string);
len = term_strlen(tp, dp->string);
-
- hp = dp->layout->head->next;
width = col->width;
- for (spans = dp->spans; spans--; hp = hp->next)
- width += tp->tbl.cols[hp->ident].width + 3;
+ ic = dp->layout->col;
+ spans = dp->spans;
+ while (spans--)
+ width += tp->tbl.cols[++ic].width + 3;
padr = width > len ? width - len : 0;
padl = 0;
switch (dp->layout->pos) {
- case (TBL_CELL_LONG):
+ case TBL_CELL_LONG:
padl = term_len(tp, 1);
padr = padr > padl ? padr - padl : 0;
break;
- case (TBL_CELL_CENTRE):
+ case TBL_CELL_CENTRE:
if (2 > padr)
break;
padl = padr / 2;
padr -= padl;
break;
- case (TBL_CELL_RIGHT):
+ case TBL_CELL_RIGHT:
padl = padr;
padr = 0;
break;
}
tbl_char(tp, ASCII_NBRSP, padl);
- term_word(tp, dp->string);
+ tbl_word(tp, dp);
tbl_char(tp, ASCII_NBRSP, padr);
}
psz = term_strlen(tp, buf);
- if (NULL != (cp = strrchr(dp->string, opts->decimal))) {
- buf[1] = '\0';
+ if ((cp = strrchr(dp->string, opts->decimal)) != NULL) {
for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
buf[0] = dp->string[i];
ssz += term_strlen(tp, buf);
} else
d = sz + psz;
- padl = col->decimal - d;
-
- tbl_char(tp, ASCII_NBRSP, padl);
- term_word(tp, dp->string);
+ if (col->decimal > d && col->width > sz) {
+ padl = col->decimal - d;
+ if (padl + sz > col->width)
+ padl = col->width - sz;
+ tbl_char(tp, ASCII_NBRSP, padl);
+ } else
+ padl = 0;
+ tbl_word(tp, dp);
if (col->width > sz + padl)
tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
}
+static void
+tbl_word(struct termp *tp, const struct tbl_dat *dp)
+{
+ int prev_font;
+
+ prev_font = tp->fonti;
+ if (dp->layout->flags & TBL_CELL_BOLD)
+ term_fontpush(tp, TERMFONT_BOLD);
+ else if (dp->layout->flags & TBL_CELL_ITALIC)
+ term_fontpush(tp, TERMFONT_UNDER);
+
+ term_word(tp, dp->string);
+
+ term_fontpopq(tp, prev_font);
+}
git.ckatri.com / mandoc.git / blobdiff