-/* $Id: tbl_term.c,v 1.40 2015/03/06 15:48:53 schwarze Exp $ */
+/* $Id: tbl_term.c,v 1.55 2017/06/27 18:25:02 schwarze Exp $ */
/*
* Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011, 2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011,2012,2014,2015,2017 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 "out.h"
#include "term.h"
+#define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
+ (cp)->pos == TBL_CELL_DHORIZ)
+
static size_t term_tbl_len(size_t, void *);
static size_t term_tbl_strlen(const char *, void *);
+static size_t term_tbl_sulen(const struct roffsu *, void *);
static void tbl_char(struct termp *, char, size_t);
static void tbl_data(struct termp *, const struct tbl_opts *,
+ const struct tbl_cell *,
const struct tbl_dat *,
const struct roffcol *);
static void tbl_literal(struct termp *, const struct tbl_dat *,
static size_t
-term_tbl_strlen(const char *p, void *arg)
+term_tbl_sulen(const struct roffsu *su, void *arg)
{
+ return term_hen((const struct termp *)arg, su);
+}
- return(term_strlen((const struct termp *)arg, p));
+static size_t
+term_tbl_strlen(const char *p, void *arg)
+{
+ 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_cell *cp;
+ const struct tbl_cell *cp, *cpn, *cpp;
const struct tbl_dat *dp;
static size_t offset;
- size_t rmargin, maxrmargin, tsz;
- int ic, horiz, spans, vert;
-
- rmargin = tp->rmargin;
- maxrmargin = tp->maxrmargin;
-
- tp->rmargin = tp->maxrmargin = TERM_MAXMARGIN;
+ size_t coloff, tsz;
+ int ic, horiz, spans, vert, more;
+ char fc;
/* Inhibit printing of spaces: we do padding ourselves. */
- tp->flags |= TERMP_NONOSPACE;
- tp->flags |= TERMP_NOSPACE;
+ tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
/*
* The first time we're invoked for a given table block,
if (tp->tbl.cols == NULL) {
tp->tbl.len = term_tbl_len;
tp->tbl.slen = term_tbl_strlen;
+ tp->tbl.sulen = term_tbl_sulen;
tp->tbl.arg = tp;
- tblcalc(&tp->tbl, sp, rmargin - tp->offset);
+ tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
+
+ /* Tables leak .ta settings to subsequent text. */
+
+ term_tab_set(tp, NULL);
+ coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
+ sp->opts->lvert;
+ for (ic = 0; ic < sp->opts->cols; ic++) {
+ coloff += tp->tbl.cols[ic].width;
+ term_tab_iset(coloff);
+ coloff += tp->tbl.cols[ic].spacing;
+ }
/* Center the table as a whole. */
- offset = tp->offset;
+ offset = tp->tcol->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)
+ for (ic = 0; ic + 1 < sp->opts->cols; ic++)
+ tsz += tp->tbl.cols[ic].width +
+ tp->tbl.cols[ic].spacing;
+ if (sp->opts->cols)
+ tsz += tp->tbl.cols[sp->opts->cols - 1].width;
+ if (offset + tsz > tp->tcol->rmargin)
tsz -= 1;
- tp->offset = (offset + rmargin > tsz) ?
- (offset + rmargin - tsz) / 2 : 0;
+ tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
+ (offset + tp->tcol->rmargin - tsz) / 2 : 0;
}
/* Horizontal frame at the start of boxed tables. */
if (sp->opts->opts & TBL_OPT_DBOX)
- tbl_hrule(tp, sp, 2);
+ tbl_hrule(tp, sp, 3);
if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
- tbl_hrule(tp, sp, 1);
+ tbl_hrule(tp, sp, 2);
}
- /* Vertical frame at the start of each row. */
+ /* Set up the columns. */
- horiz = sp->pos == TBL_SPAN_HORIZ || sp->pos == TBL_SPAN_DHORIZ;
+ tp->flags |= TERMP_MULTICOL;
+ horiz = 0;
+ switch (sp->pos) {
+ case TBL_SPAN_HORIZ:
+ case TBL_SPAN_DHORIZ:
+ horiz = 1;
+ term_setcol(tp, 1);
+ break;
+ case TBL_SPAN_DATA:
+ term_setcol(tp, sp->opts->cols + 2);
+ coloff = tp->tcol->offset;
- 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);
+ /* Set up a column for a left vertical frame. */
- /*
- * Now print the actual data itself depending on the span type.
- * Match data cells to column numbers.
- */
+ if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
+ sp->opts->lvert)
+ coloff++;
+ tp->tcol->rmargin = coloff;
+
+ /* Set up the data columns. */
- if (sp->pos == TBL_SPAN_DATA) {
- cp = sp->layout->first;
dp = sp->first;
spans = 0;
for (ic = 0; ic < sp->opts->cols; ic++) {
+ if (spans == 0) {
+ tp->tcol++;
+ tp->tcol->offset = coloff;
+ }
+ coloff += tp->tbl.cols[ic].width;
+ tp->tcol->rmargin = coloff;
+ if (ic + 1 < sp->opts->cols)
+ coloff += tp->tbl.cols[ic].spacing;
+ if (spans) {
+ spans--;
+ continue;
+ }
+ if (dp == NULL)
+ continue;
+ spans = dp->spans;
+ dp = dp->next;
+ }
- /*
- * Remeber whether we need a vertical bar
- * after this cell.
- */
+ /* Set up a column for a right vertical frame. */
- vert = cp == NULL ? 0 : cp->vert;
+ tp->tcol++;
+ tp->tcol->offset = coloff + 1;
+ tp->tcol->rmargin = tp->maxrmargin;
- /*
- * Print the data and advance to the next cell.
- */
+ /* Spans may have reduced the number of columns. */
- if (spans == 0) {
- tbl_data(tp, sp->opts, dp, tp->tbl.cols + ic);
+ tp->lasttcol = tp->tcol - tp->tcols;
+
+ /* Fill the buffers for all data columns. */
+
+ tp->tcol = tp->tcols;
+ cp = cpn = sp->layout->first;
+ dp = sp->first;
+ spans = 0;
+ for (ic = 0; ic < sp->opts->cols; ic++) {
+ if (cpn != NULL) {
+ cp = cpn;
+ cpn = cpn->next;
+ }
+ if (spans) {
+ spans--;
+ continue;
+ }
+ tp->tcol++;
+ tp->col = 0;
+ tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
+ if (dp == NULL)
+ continue;
+ spans = dp->spans;
+ dp = dp->next;
+ }
+ break;
+ }
+
+ do {
+ /* Print the vertical frame at the start of each row. */
+
+ tp->tcol = tp->tcols;
+ fc = '\0';
+ if (sp->layout->vert ||
+ (sp->next != NULL && sp->next->layout->vert &&
+ sp->next->pos == TBL_SPAN_DATA) ||
+ (sp->prev != NULL && sp->prev->layout->vert &&
+ (horiz || (IS_HORIZ(sp->layout->first) &&
+ !IS_HORIZ(sp->prev->layout->first)))) ||
+ sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
+ fc = horiz || IS_HORIZ(sp->layout->first) ? '+' : '|';
+ else if (horiz && sp->opts->lvert)
+ fc = '-';
+ if (fc != '\0') {
+ (*tp->advance)(tp, tp->tcols->offset);
+ (*tp->letter)(tp, fc);
+ tp->viscol = tp->tcol->offset + 1;
+ }
+
+ /* Print the data cells. */
+
+ more = 0;
+ if (horiz) {
+ tbl_hrule(tp, sp, 0);
+ term_flushln(tp);
+ } else {
+ cp = sp->layout->first;
+ cpn = sp->next == NULL ? NULL :
+ sp->next->layout->first;
+ cpp = sp->prev == NULL ? NULL :
+ sp->prev->layout->first;
+ dp = sp->first;
+ spans = 0;
+ for (ic = 0; ic < sp->opts->cols; ic++) {
+
+ /*
+ * Figure out whether to print a
+ * vertical line after this cell
+ * and advance to next layout cell.
+ */
+
+ if (cp != NULL) {
+ vert = cp->vert;
+ switch (cp->pos) {
+ case TBL_CELL_HORIZ:
+ fc = '-';
+ break;
+ case TBL_CELL_DHORIZ:
+ fc = '=';
+ break;
+ default:
+ fc = ' ';
+ break;
+ }
+ } else {
+ vert = 0;
+ fc = ' ';
+ }
+ if (cpp != NULL) {
+ if (vert == 0 &&
+ cp != NULL &&
+ ((IS_HORIZ(cp) &&
+ !IS_HORIZ(cpp)) ||
+ (cp->next != NULL &&
+ cpp->next != NULL &&
+ IS_HORIZ(cp->next) &&
+ !IS_HORIZ(cpp->next))))
+ vert = cpp->vert;
+ cpp = cpp->next;
+ }
+ if (vert == 0 &&
+ sp->opts->opts & TBL_OPT_ALLBOX)
+ vert = 1;
+ if (cpn != NULL) {
+ if (vert == 0)
+ vert = cpn->vert;
+ cpn = cpn->next;
+ }
+ if (cp != NULL)
+ cp = cp->next;
+
+ /*
+ * Skip later cells in a span,
+ * figure out whether to start a span,
+ * and advance to next data cell.
+ */
+
+ if (spans) {
+ spans--;
+ continue;
+ }
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.
- */
+ /*
+ * Print one line of text in the cell
+ * and remember whether there is more.
+ */
+
+ tp->tcol++;
+ if (tp->tcol->col < tp->tcol->lastcol)
+ term_flushln(tp);
+ if (tp->tcol->col < tp->tcol->lastcol)
+ more = 1;
+
+ /*
+ * Vertical frames between data cells,
+ * but not after the last column.
+ */
+
+ if (fc == ' ' && ((vert == 0 &&
+ (cp == NULL || !IS_HORIZ(cp))) ||
+ tp->tcol + 1 == tp->tcols + tp->lasttcol))
+ continue;
+
+ if (tp->viscol < tp->tcol->rmargin) {
+ (*tp->advance)(tp, tp->tcol->rmargin
+ - tp->viscol);
+ tp->viscol = tp->tcol->rmargin;
+ }
+ while (tp->viscol < tp->tcol->rmargin +
+ tp->tbl.cols[ic].spacing / 2) {
+ (*tp->letter)(tp, fc);
+ tp->viscol++;
+ }
- if (ic + 1 == sp->opts->cols || spans)
- continue;
+ if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
+ continue;
+
+ if (fc == ' ' && cp != NULL) {
+ switch (cp->pos) {
+ case TBL_CELL_HORIZ:
+ fc = '-';
+ break;
+ case TBL_CELL_DHORIZ:
+ fc = '=';
+ break;
+ default:
+ break;
+ }
+ }
+ if (tp->tbl.cols[ic].spacing) {
+ (*tp->letter)(tp, fc == ' ' ? '|' :
+ vert ? '+' : fc);
+ tp->viscol++;
+ }
- tbl_char(tp, ASCII_NBRSP, 1);
- if (vert > 0)
- tbl_char(tp, '|', vert);
- if (vert < 2)
- tbl_char(tp, ASCII_NBRSP, 2 - vert);
+ if (fc != ' ') {
+ if (cp != NULL &&
+ cp->pos == TBL_CELL_HORIZ)
+ fc = '-';
+ else if (cp != NULL &&
+ cp->pos == TBL_CELL_DHORIZ)
+ fc = '=';
+ else
+ fc = ' ';
+ }
+ if (tp->tbl.cols[ic].spacing > 2 &&
+ (vert > 1 || fc != ' ')) {
+ (*tp->letter)(tp, fc == ' ' ? '|' :
+ vert > 1 ? '+' : fc);
+ tp->viscol++;
+ }
+ }
}
- } else if (horiz)
- tbl_hrule(tp, sp, 0);
- /* Vertical frame at the end of each row. */
-
- 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);
+ /* Print the vertical frame at the end of each row. */
+
+ fc = '\0';
+ if ((sp->layout->last->vert &&
+ sp->layout->last->col + 1 == sp->opts->cols) ||
+ (sp->next != NULL &&
+ sp->next->layout->last->vert &&
+ sp->next->layout->last->col + 1 == sp->opts->cols) ||
+ (sp->prev != NULL &&
+ sp->prev->layout->last->vert &&
+ sp->prev->layout->last->col + 1 == sp->opts->cols &&
+ (horiz || (IS_HORIZ(sp->layout->last) &&
+ !IS_HORIZ(sp->prev->layout->last)))) ||
+ (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
+ fc = horiz || IS_HORIZ(sp->layout->last) ? '+' : '|';
+ else if (horiz && sp->opts->rvert)
+ fc = '-';
+ if (fc != '\0') {
+ if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
+ sp->layout->last->col + 1 < sp->opts->cols)) {
+ tp->tcol++;
+ (*tp->advance)(tp,
+ tp->tcol->offset > tp->viscol ?
+ tp->tcol->offset - tp->viscol : 1);
+ }
+ (*tp->letter)(tp, fc);
+ }
+ (*tp->endline)(tp);
+ tp->viscol = 0;
+ } while (more);
/*
- * If we're the last row, clean up after ourselves: clear the
- * existing table configuration and set it to NULL.
+ * Clean up after this row. If it is the last line
+ * of the table, print the box line and clean up
+ * column data; otherwise, print the allbox line.
*/
+ term_setcol(tp, 1);
+ tp->flags &= ~TERMP_MULTICOL;
+ tp->tcol->rmargin = tp->maxrmargin;
if (sp->next == NULL) {
if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
- tbl_hrule(tp, sp, 1);
+ tbl_hrule(tp, sp, 2);
tp->skipvsp = 1;
}
if (sp->opts->opts & TBL_OPT_DBOX) {
- tbl_hrule(tp, sp, 2);
+ tbl_hrule(tp, sp, 3);
tp->skipvsp = 2;
}
assert(tp->tbl.cols);
free(tp->tbl.cols);
tp->tbl.cols = NULL;
- tp->offset = offset;
- }
+ tp->tcol->offset = offset;
+ } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
+ (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
+ sp->next->next != NULL))
+ tbl_hrule(tp, sp, 1);
tp->flags &= ~TERMP_NONOSPACE;
- tp->rmargin = rmargin;
- tp->maxrmargin = maxrmargin;
}
/*
* 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)
+ * 1: inside the table (single or double line with crossings and ends)
+ * 2: inner frame (single line with crossings and ends)
+ * 3: outer frame (single line without crossings with ends)
*/
static void
tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
{
- const struct tbl_cell *c1, *c2;
+ const struct tbl_cell *cp, *cpn, *cpp;
+ const struct roffcol *col;
int vert;
char line, cross;
- line = (kind == 0 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
- cross = (kind < 2) ? '+' : '-';
+ line = (kind < 2 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
+ cross = (kind < 3) ? '+' : '-';
if (kind)
term_word(tp, "+");
- c1 = sp->layout->first;
- c2 = sp->prev == NULL ? NULL : sp->prev->layout->first;
- if (c2 == c1)
- c2 = NULL;
+ cp = sp->layout->first;
+ cpp = kind || sp->prev == NULL ? NULL : sp->prev->layout->first;
+ if (cpp == cp)
+ cpp = NULL;
+ cpn = kind > 1 || sp->next == NULL ? NULL : sp->next->layout->first;
+ if (cpn == cp)
+ cpn = NULL;
for (;;) {
- tbl_char(tp, line, tp->tbl.cols[c1->col].width + 1);
- vert = c1->vert;
- if ((c1 = c1->next) == NULL)
+ col = tp->tbl.cols + cp->col;
+ tbl_char(tp, line, col->width + col->spacing / 2);
+ vert = cp->vert;
+ if ((cp = cp->next) == NULL)
break;
- if (c2 != NULL) {
- if (vert < c2->vert)
- vert = c2->vert;
- c2 = c2->next;
+ if (cpp != NULL) {
+ if (vert < cpp->vert)
+ vert = cpp->vert;
+ cpp = cpp->next;
+ }
+ if (cpn != NULL) {
+ if (vert < cpn->vert)
+ vert = cpn->vert;
+ cpn = cpn->next;
}
- if (vert)
- tbl_char(tp, cross, vert);
- if (vert < 2)
- tbl_char(tp, line, 2 - vert);
+ if (sp->opts->opts & TBL_OPT_ALLBOX && !vert)
+ vert = 1;
+ if (col->spacing)
+ tbl_char(tp, vert ? cross : line, 1);
+ if (col->spacing > 2)
+ tbl_char(tp, vert > 1 ? cross : line, 1);
+ if (col->spacing > 4)
+ tbl_char(tp, line, (col->spacing - 3) / 2);
}
if (kind) {
term_word(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_cell *cp, const struct tbl_dat *dp,
+ const struct roffcol *col)
{
+ switch (cp->pos) {
+ case TBL_CELL_HORIZ:
+ tbl_char(tp, '-', col->width);
+ return;
+ case TBL_CELL_DHORIZ:
+ tbl_char(tp, '=', col->width);
+ return;
+ default:
+ break;
+ }
if (dp == NULL) {
tbl_char(tp, ASCII_NBRSP, col->width);
tbl_char(tp, ASCII_NBRSP, col->width);
return;
case TBL_DATA_HORIZ:
- /* FALLTHROUGH */
case TBL_DATA_NHORIZ:
tbl_char(tp, '-', col->width);
return;
case TBL_DATA_NDHORIZ:
- /* FALLTHROUGH */
case TBL_DATA_DHORIZ:
tbl_char(tp, '=', col->width);
return;
break;
}
- switch (dp->layout->pos) {
- case TBL_CELL_HORIZ:
- tbl_char(tp, '-', col->width);
- break;
- case TBL_CELL_DHORIZ:
- tbl_char(tp, '=', col->width);
- break;
+ switch (cp->pos) {
case TBL_CELL_LONG:
- /* FALLTHROUGH */
case TBL_CELL_CENTRE:
- /* FALLTHROUGH */
case TBL_CELL_LEFT:
- /* FALLTHROUGH */
case TBL_CELL_RIGHT:
tbl_literal(tp, dp, col);
break;
break;
default:
abort();
- /* NOTREACHED */
}
}