934 lines
24 KiB
C
934 lines
24 KiB
C
/* $Id: tbl_term.c,v 1.68 2019/02/09 21:02:47 schwarze Exp $ */
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/*
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* Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2011-2019 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mandoc.h"
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#include "tbl.h"
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#include "out.h"
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#include "term.h"
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#define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
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(cp)->pos == TBL_CELL_DHORIZ)
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static size_t term_tbl_len(size_t, void *);
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static size_t term_tbl_strlen(const char *, void *);
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static size_t term_tbl_sulen(const struct roffsu *, void *);
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static void tbl_data(struct termp *, const struct tbl_opts *,
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const struct tbl_cell *,
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const struct tbl_dat *,
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const struct roffcol *);
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static void tbl_direct_border(struct termp *, int, size_t);
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static void tbl_fill_border(struct termp *, int, size_t);
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static void tbl_fill_char(struct termp *, char, size_t);
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static void tbl_fill_string(struct termp *, const char *, size_t);
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static void tbl_hrule(struct termp *, const struct tbl_span *,
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const struct tbl_span *, int);
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static void tbl_literal(struct termp *, const struct tbl_dat *,
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const struct roffcol *);
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static void tbl_number(struct termp *, const struct tbl_opts *,
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const struct tbl_dat *,
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const struct roffcol *);
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static void tbl_word(struct termp *, const struct tbl_dat *);
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/*
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* The following border-character tables are indexed
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* by ternary (3-based) numbers, as opposed to binary or decimal.
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* Each ternary digit describes the line width in one direction:
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* 0 means no line, 1 single or light line, 2 double or heavy line.
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*/
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/* Positional values of the four directions. */
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#define BRIGHT 1
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#define BDOWN 3
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#define BLEFT (3 * 3)
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#define BUP (3 * 3 * 3)
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#define BHORIZ (BLEFT + BRIGHT)
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/* Code points to use for each combination of widths. */
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static const int borders_utf8[81] = {
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0x0020, 0x2576, 0x257a, /* 000 right */
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0x2577, 0x250c, 0x250d, /* 001 down */
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0x257b, 0x250e, 0x250f, /* 002 */
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0x2574, 0x2500, 0x257c, /* 010 left */
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0x2510, 0x252c, 0x252e, /* 011 left down */
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0x2512, 0x2530, 0x2532, /* 012 */
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0x2578, 0x257e, 0x2501, /* 020 left */
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0x2511, 0x252d, 0x252f, /* 021 left down */
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0x2513, 0x2531, 0x2533, /* 022 */
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0x2575, 0x2514, 0x2515, /* 100 up */
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0x2502, 0x251c, 0x251d, /* 101 up down */
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0x257d, 0x251f, 0x2522, /* 102 */
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0x2518, 0x2534, 0x2536, /* 110 up left */
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0x2524, 0x253c, 0x253e, /* 111 all */
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0x2527, 0x2541, 0x2546, /* 112 */
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0x2519, 0x2535, 0x2537, /* 120 up left */
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0x2525, 0x253d, 0x253f, /* 121 all */
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0x252a, 0x2545, 0x2548, /* 122 */
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0x2579, 0x2516, 0x2517, /* 200 up */
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0x257f, 0x251e, 0x2521, /* 201 up down */
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0x2503, 0x2520, 0x2523, /* 202 */
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0x251a, 0x2538, 0x253a, /* 210 up left */
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0x2526, 0x2540, 0x2544, /* 211 all */
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0x2528, 0x2542, 0x254a, /* 212 */
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0x251b, 0x2539, 0x253b, /* 220 up left */
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0x2529, 0x2543, 0x2547, /* 221 all */
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0x252b, 0x2549, 0x254b, /* 222 */
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};
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/* ASCII approximations for these code points, compatible with groff. */
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static const int borders_ascii[81] = {
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' ', '-', '=', /* 000 right */
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'|', '+', '+', /* 001 down */
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'|', '+', '+', /* 002 */
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'-', '-', '=', /* 010 left */
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'+', '+', '+', /* 011 left down */
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'+', '+', '+', /* 012 */
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'=', '=', '=', /* 020 left */
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'+', '+', '+', /* 021 left down */
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'+', '+', '+', /* 022 */
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'|', '+', '+', /* 100 up */
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'|', '+', '+', /* 101 up down */
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'|', '+', '+', /* 102 */
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'+', '+', '+', /* 110 up left */
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'+', '+', '+', /* 111 all */
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'+', '+', '+', /* 112 */
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'+', '+', '+', /* 120 up left */
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'+', '+', '+', /* 121 all */
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'+', '+', '+', /* 122 */
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'|', '+', '+', /* 200 up */
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'|', '+', '+', /* 201 up down */
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'|', '+', '+', /* 202 */
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'+', '+', '+', /* 210 up left */
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'+', '+', '+', /* 211 all */
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'+', '+', '+', /* 212 */
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'+', '+', '+', /* 220 up left */
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'+', '+', '+', /* 221 all */
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'+', '+', '+', /* 222 */
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};
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/* Either of the above according to the selected output encoding. */
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static const int *borders_locale;
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static size_t
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term_tbl_sulen(const struct roffsu *su, void *arg)
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{
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int i;
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i = term_hen((const struct termp *)arg, su);
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return i > 0 ? i : 0;
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}
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static size_t
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term_tbl_strlen(const char *p, void *arg)
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{
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return term_strlen((const struct termp *)arg, p);
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}
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static size_t
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term_tbl_len(size_t sz, void *arg)
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{
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return term_len((const struct termp *)arg, sz);
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}
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void
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term_tbl(struct termp *tp, const struct tbl_span *sp)
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{
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const struct tbl_cell *cp, *cpn, *cpp, *cps;
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const struct tbl_dat *dp;
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static size_t offset;
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size_t save_offset;
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size_t coloff, tsz;
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int hspans, ic, more;
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int dvert, fc, horiz, lhori, rhori, uvert;
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/* Inhibit printing of spaces: we do padding ourselves. */
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tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
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save_offset = tp->tcol->offset;
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/*
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* The first time we're invoked for a given table block,
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* calculate the table widths and decimal positions.
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*/
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if (tp->tbl.cols == NULL) {
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borders_locale = tp->enc == TERMENC_UTF8 ?
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borders_utf8 : borders_ascii;
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tp->tbl.len = term_tbl_len;
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tp->tbl.slen = term_tbl_strlen;
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tp->tbl.sulen = term_tbl_sulen;
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tp->tbl.arg = tp;
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tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
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/* Tables leak .ta settings to subsequent text. */
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term_tab_set(tp, NULL);
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coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
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sp->opts->lvert;
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for (ic = 0; ic < sp->opts->cols; ic++) {
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coloff += tp->tbl.cols[ic].width;
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term_tab_iset(coloff);
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coloff += tp->tbl.cols[ic].spacing;
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}
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/* Center the table as a whole. */
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offset = tp->tcol->offset;
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if (sp->opts->opts & TBL_OPT_CENTRE) {
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tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
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? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
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for (ic = 0; ic + 1 < sp->opts->cols; ic++)
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tsz += tp->tbl.cols[ic].width +
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tp->tbl.cols[ic].spacing;
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if (sp->opts->cols)
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tsz += tp->tbl.cols[sp->opts->cols - 1].width;
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if (offset + tsz > tp->tcol->rmargin)
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tsz -= 1;
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offset = offset + tp->tcol->rmargin > tsz ?
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(offset + tp->tcol->rmargin - tsz) / 2 : 0;
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tp->tcol->offset = offset;
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}
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/* Horizontal frame at the start of boxed tables. */
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if (tp->enc == TERMENC_ASCII &&
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sp->opts->opts & TBL_OPT_DBOX)
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tbl_hrule(tp, NULL, sp, TBL_OPT_DBOX);
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if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
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tbl_hrule(tp, NULL, sp, TBL_OPT_BOX);
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}
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/* Set up the columns. */
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tp->flags |= TERMP_MULTICOL;
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tp->tcol->offset = offset;
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horiz = 0;
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switch (sp->pos) {
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case TBL_SPAN_HORIZ:
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case TBL_SPAN_DHORIZ:
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horiz = 1;
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term_setcol(tp, 1);
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break;
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case TBL_SPAN_DATA:
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term_setcol(tp, sp->opts->cols + 2);
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coloff = tp->tcol->offset;
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/* Set up a column for a left vertical frame. */
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if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
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sp->opts->lvert)
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coloff++;
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tp->tcol->rmargin = coloff;
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/* Set up the data columns. */
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dp = sp->first;
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hspans = 0;
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for (ic = 0; ic < sp->opts->cols; ic++) {
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if (hspans == 0) {
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tp->tcol++;
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tp->tcol->offset = coloff;
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}
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coloff += tp->tbl.cols[ic].width;
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tp->tcol->rmargin = coloff;
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if (ic + 1 < sp->opts->cols)
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coloff += tp->tbl.cols[ic].spacing;
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if (hspans) {
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hspans--;
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continue;
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}
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if (dp == NULL)
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continue;
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hspans = dp->hspans;
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if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
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dp = dp->next;
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}
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/* Set up a column for a right vertical frame. */
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tp->tcol++;
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tp->tcol->offset = coloff + 1;
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tp->tcol->rmargin = tp->maxrmargin;
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/* Spans may have reduced the number of columns. */
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tp->lasttcol = tp->tcol - tp->tcols;
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/* Fill the buffers for all data columns. */
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tp->tcol = tp->tcols;
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cp = cpn = sp->layout->first;
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dp = sp->first;
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hspans = 0;
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for (ic = 0; ic < sp->opts->cols; ic++) {
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if (cpn != NULL) {
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cp = cpn;
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cpn = cpn->next;
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}
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if (hspans) {
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hspans--;
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continue;
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}
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tp->tcol++;
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tp->col = 0;
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tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
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if (dp == NULL)
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continue;
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hspans = dp->hspans;
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if (cp->pos != TBL_CELL_SPAN)
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dp = dp->next;
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}
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break;
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}
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do {
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/* Print the vertical frame at the start of each row. */
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tp->tcol = tp->tcols;
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uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
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sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
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if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert)
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uvert = dvert = sp->layout->vert;
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if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA &&
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dvert < sp->next->layout->vert)
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dvert = sp->next->layout->vert;
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if (sp->prev != NULL && uvert < sp->prev->layout->vert &&
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(horiz || (IS_HORIZ(sp->layout->first) &&
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!IS_HORIZ(sp->prev->layout->first))))
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uvert = sp->prev->layout->vert;
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rhori = sp->pos == TBL_SPAN_DHORIZ ||
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(sp->first != NULL && sp->first->pos == TBL_DATA_DHORIZ) ||
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sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 :
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sp->pos == TBL_SPAN_HORIZ ||
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(sp->first != NULL && sp->first->pos == TBL_DATA_HORIZ) ||
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sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0;
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fc = BUP * uvert + BDOWN * dvert + BRIGHT * rhori;
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if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) {
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(*tp->advance)(tp, tp->tcols->offset);
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tp->viscol = tp->tcol->offset;
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tbl_direct_border(tp, fc, 1);
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}
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/* Print the data cells. */
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more = 0;
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if (horiz)
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tbl_hrule(tp, sp->prev, sp, 0);
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else {
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cp = sp->layout->first;
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cpn = sp->next == NULL ? NULL :
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sp->next->layout->first;
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cpp = sp->prev == NULL ? NULL :
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sp->prev->layout->first;
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dp = sp->first;
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hspans = 0;
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for (ic = 0; ic < sp->opts->cols; ic++) {
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/*
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* Figure out whether to print a
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* vertical line after this cell
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* and advance to next layout cell.
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*/
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uvert = dvert = fc = 0;
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if (cp != NULL) {
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cps = cp;
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while (cps->next != NULL &&
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cps->next->pos == TBL_CELL_SPAN)
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cps = cps->next;
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if (sp->pos == TBL_SPAN_DATA)
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uvert = dvert = cps->vert;
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switch (cp->pos) {
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case TBL_CELL_HORIZ:
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fc = BHORIZ;
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break;
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case TBL_CELL_DHORIZ:
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fc = BHORIZ * 2;
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break;
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default:
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break;
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}
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}
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if (cpp != NULL) {
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if (uvert < cpp->vert &&
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cp != NULL &&
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((IS_HORIZ(cp) &&
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!IS_HORIZ(cpp)) ||
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(cp->next != NULL &&
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cpp->next != NULL &&
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IS_HORIZ(cp->next) &&
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!IS_HORIZ(cpp->next))))
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uvert = cpp->vert;
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cpp = cpp->next;
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}
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if (sp->opts->opts & TBL_OPT_ALLBOX) {
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if (uvert == 0)
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uvert = 1;
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if (dvert == 0)
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dvert = 1;
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}
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if (cpn != NULL) {
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if (dvert == 0 ||
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(dvert < cpn->vert &&
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tp->enc == TERMENC_UTF8))
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dvert = cpn->vert;
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cpn = cpn->next;
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}
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lhori = (cp != NULL &&
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cp->pos == TBL_CELL_DHORIZ) ||
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(dp != NULL &&
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dp->pos == TBL_DATA_DHORIZ) ? 2 :
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(cp != NULL &&
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cp->pos == TBL_CELL_HORIZ) ||
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(dp != NULL &&
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dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
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/*
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* Skip later cells in a span,
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* figure out whether to start a span,
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* and advance to next data cell.
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*/
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if (hspans) {
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hspans--;
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cp = cp->next;
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continue;
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}
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if (dp != NULL) {
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hspans = dp->hspans;
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if (ic || sp->layout->first->pos
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!= TBL_CELL_SPAN)
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dp = dp->next;
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}
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/*
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* Print one line of text in the cell
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* and remember whether there is more.
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*/
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tp->tcol++;
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if (tp->tcol->col < tp->tcol->lastcol)
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term_flushln(tp);
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if (tp->tcol->col < tp->tcol->lastcol)
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more = 1;
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/*
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* Vertical frames between data cells,
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* but not after the last column.
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*/
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if (fc == 0 &&
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((uvert == 0 && dvert == 0 &&
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cp != NULL && (cp->next == NULL ||
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!IS_HORIZ(cp->next))) ||
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tp->tcol + 1 ==
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tp->tcols + tp->lasttcol)) {
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if (cp != NULL)
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cp = cp->next;
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continue;
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}
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if (tp->viscol < tp->tcol->rmargin) {
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(*tp->advance)(tp, tp->tcol->rmargin
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- tp->viscol);
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tp->viscol = tp->tcol->rmargin;
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}
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while (tp->viscol < tp->tcol->rmargin +
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tp->tbl.cols[ic].spacing / 2)
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tbl_direct_border(tp,
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BHORIZ * lhori, 1);
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if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
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continue;
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if (cp != NULL)
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cp = cp->next;
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rhori = (cp != NULL &&
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cp->pos == TBL_CELL_DHORIZ) ||
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(dp != NULL &&
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dp->pos == TBL_DATA_DHORIZ) ? 2 :
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(cp != NULL &&
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cp->pos == TBL_CELL_HORIZ) ||
|
|
(dp != NULL &&
|
|
dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
|
|
|
|
if (tp->tbl.cols[ic].spacing)
|
|
tbl_direct_border(tp,
|
|
BLEFT * lhori + BRIGHT * rhori +
|
|
BUP * uvert + BDOWN * dvert, 1);
|
|
|
|
if (tp->enc == TERMENC_UTF8)
|
|
uvert = dvert = 0;
|
|
|
|
if (tp->tbl.cols[ic].spacing > 2 &&
|
|
(uvert > 1 || dvert > 1 || rhori))
|
|
tbl_direct_border(tp,
|
|
BHORIZ * rhori +
|
|
BUP * (uvert > 1) +
|
|
BDOWN * (dvert > 1), 1);
|
|
}
|
|
}
|
|
|
|
/* Print the vertical frame at the end of each row. */
|
|
|
|
uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
|
|
sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
|
|
if (sp->pos == TBL_SPAN_DATA &&
|
|
uvert < sp->layout->last->vert &&
|
|
sp->layout->last->col + 1 == sp->opts->cols)
|
|
uvert = dvert = sp->layout->last->vert;
|
|
if (sp->next != NULL &&
|
|
dvert < sp->next->layout->last->vert &&
|
|
sp->next->layout->last->col + 1 == sp->opts->cols)
|
|
dvert = sp->next->layout->last->vert;
|
|
if (sp->prev != NULL &&
|
|
uvert < 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))))
|
|
uvert = sp->prev->layout->last->vert;
|
|
lhori = sp->pos == TBL_SPAN_DHORIZ ||
|
|
(sp->last != NULL &&
|
|
sp->last->pos == TBL_DATA_DHORIZ &&
|
|
sp->last->layout->col + 1 == sp->opts->cols) ||
|
|
(sp->layout->last->pos == TBL_CELL_DHORIZ &&
|
|
sp->layout->last->col + 1 == sp->opts->cols) ? 2 :
|
|
sp->pos == TBL_SPAN_HORIZ ||
|
|
(sp->last != NULL &&
|
|
sp->last->pos == TBL_DATA_HORIZ &&
|
|
sp->last->layout->col + 1 == sp->opts->cols) ||
|
|
(sp->layout->last->pos == TBL_CELL_HORIZ &&
|
|
sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0;
|
|
fc = BUP * uvert + BDOWN * dvert + BLEFT * lhori;
|
|
if (uvert > 0 || dvert > 0 || (horiz && sp->opts->rvert)) {
|
|
if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
|
|
sp->layout->last->col + 1 < sp->opts->cols)) {
|
|
tp->tcol++;
|
|
do {
|
|
tbl_direct_border(tp,
|
|
BHORIZ * lhori, 1);
|
|
} while (tp->viscol < tp->tcol->offset);
|
|
}
|
|
tbl_direct_border(tp, fc, 1);
|
|
}
|
|
(*tp->endline)(tp);
|
|
tp->viscol = 0;
|
|
} while (more);
|
|
|
|
/*
|
|
* 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, NULL, TBL_OPT_BOX);
|
|
tp->skipvsp = 1;
|
|
}
|
|
if (tp->enc == TERMENC_ASCII &&
|
|
sp->opts->opts & TBL_OPT_DBOX) {
|
|
tbl_hrule(tp, sp, NULL, TBL_OPT_DBOX);
|
|
tp->skipvsp = 2;
|
|
}
|
|
assert(tp->tbl.cols);
|
|
free(tp->tbl.cols);
|
|
tp->tbl.cols = NULL;
|
|
} 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, sp->next, TBL_OPT_ALLBOX);
|
|
|
|
tp->tcol->offset = save_offset;
|
|
tp->flags &= ~TERMP_NONOSPACE;
|
|
}
|
|
|
|
static void
|
|
tbl_hrule(struct termp *tp, const struct tbl_span *spp,
|
|
const struct tbl_span *spn, int flags)
|
|
{
|
|
const struct tbl_cell *cpp; /* Layout cell above this line. */
|
|
const struct tbl_cell *cpn; /* Layout cell below this line. */
|
|
const struct tbl_dat *dpn; /* Data cell below this line. */
|
|
const struct roffcol *col; /* Contains width and spacing. */
|
|
int opts; /* For the table as a whole. */
|
|
int bw; /* Box line width. */
|
|
int hw; /* Horizontal line width. */
|
|
int lw, rw; /* Left and right line widths. */
|
|
int uw, dw; /* Vertical line widths. */
|
|
|
|
cpp = spp == NULL ? NULL : spp->layout->first;
|
|
cpn = spn == NULL ? NULL : spn->layout->first;
|
|
dpn = NULL;
|
|
if (spn != NULL) {
|
|
if (spn->pos == TBL_SPAN_DATA)
|
|
dpn = spn->first;
|
|
else if (spn->next != NULL)
|
|
dpn = spn->next->first;
|
|
}
|
|
opts = spn == NULL ? spp->opts->opts : spn->opts->opts;
|
|
bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
|
|
opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
|
|
hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw :
|
|
spn->pos == TBL_SPAN_DHORIZ ? 2 : 1;
|
|
|
|
/* Print the left end of the line. */
|
|
|
|
if (tp->viscol == 0) {
|
|
(*tp->advance)(tp, tp->tcols->offset);
|
|
tp->viscol = tp->tcols->offset;
|
|
}
|
|
if (flags != 0)
|
|
tbl_direct_border(tp,
|
|
(spp == NULL ? 0 : BUP * bw) +
|
|
(spn == NULL ? 0 : BDOWN * bw) +
|
|
(spp == NULL || cpn == NULL ||
|
|
cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1);
|
|
|
|
for (;;) {
|
|
col = tp->tbl.cols + (cpn == NULL ? cpp->col : cpn->col);
|
|
|
|
/* Print the horizontal line inside this column. */
|
|
|
|
lw = cpp == NULL || cpn == NULL ||
|
|
(cpn->pos != TBL_CELL_DOWN &&
|
|
(dpn == NULL || strcmp(dpn->string, "\\^") != 0))
|
|
? hw : 0;
|
|
tbl_direct_border(tp, BHORIZ * lw,
|
|
col->width + col->spacing / 2);
|
|
|
|
/*
|
|
* Figure out whether a vertical line is crossing
|
|
* at the end of this column,
|
|
* and advance to the next column.
|
|
*/
|
|
|
|
uw = dw = 0;
|
|
if (cpp != NULL) {
|
|
if (flags != TBL_OPT_DBOX) {
|
|
uw = cpp->vert;
|
|
if (uw == 0 && opts & TBL_OPT_ALLBOX)
|
|
uw = 1;
|
|
}
|
|
cpp = cpp->next;
|
|
}
|
|
if (cpn != NULL) {
|
|
if (flags != TBL_OPT_DBOX) {
|
|
dw = cpn->vert;
|
|
if (dw == 0 && opts & TBL_OPT_ALLBOX)
|
|
dw = 1;
|
|
}
|
|
cpn = cpn->next;
|
|
while (dpn != NULL && dpn->layout != cpn)
|
|
dpn = dpn->next;
|
|
}
|
|
if (cpp == NULL && cpn == NULL)
|
|
break;
|
|
|
|
/* Vertical lines do not cross spanned cells. */
|
|
|
|
if (cpp != NULL && cpp->pos == TBL_CELL_SPAN)
|
|
uw = 0;
|
|
if (cpn != NULL && cpn->pos == TBL_CELL_SPAN)
|
|
dw = 0;
|
|
|
|
/* The horizontal line inside the next column. */
|
|
|
|
rw = cpp == NULL || cpn == NULL ||
|
|
(cpn->pos != TBL_CELL_DOWN &&
|
|
(dpn == NULL || strcmp(dpn->string, "\\^") != 0))
|
|
? hw : 0;
|
|
|
|
/* The line crossing at the end of this column. */
|
|
|
|
if (col->spacing)
|
|
tbl_direct_border(tp, BLEFT * lw +
|
|
BRIGHT * rw + BUP * uw + BDOWN * dw, 1);
|
|
|
|
/*
|
|
* In ASCII output, a crossing may print two characters.
|
|
*/
|
|
|
|
if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2))
|
|
uw = dw = 0;
|
|
if (col->spacing > 2)
|
|
tbl_direct_border(tp,
|
|
BHORIZ * rw + BUP * uw + BDOWN * dw, 1);
|
|
|
|
/* Padding before the start of the next column. */
|
|
|
|
if (col->spacing > 4)
|
|
tbl_direct_border(tp,
|
|
BHORIZ * rw, (col->spacing - 3) / 2);
|
|
}
|
|
|
|
/* Print the right end of the line. */
|
|
|
|
if (flags != 0) {
|
|
tbl_direct_border(tp,
|
|
(spp == NULL ? 0 : BUP * bw) +
|
|
(spn == NULL ? 0 : BDOWN * bw) +
|
|
(spp == NULL || spn == NULL ||
|
|
spn->layout->last->pos != TBL_CELL_DOWN ?
|
|
BLEFT * hw : 0), 1);
|
|
(*tp->endline)(tp);
|
|
tp->viscol = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
tbl_data(struct termp *tp, const struct tbl_opts *opts,
|
|
const struct tbl_cell *cp, const struct tbl_dat *dp,
|
|
const struct roffcol *col)
|
|
{
|
|
switch (cp->pos) {
|
|
case TBL_CELL_HORIZ:
|
|
tbl_fill_border(tp, BHORIZ, col->width);
|
|
return;
|
|
case TBL_CELL_DHORIZ:
|
|
tbl_fill_border(tp, BHORIZ * 2, col->width);
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (dp == NULL)
|
|
return;
|
|
|
|
switch (dp->pos) {
|
|
case TBL_DATA_NONE:
|
|
return;
|
|
case TBL_DATA_HORIZ:
|
|
case TBL_DATA_NHORIZ:
|
|
tbl_fill_border(tp, BHORIZ, col->width);
|
|
return;
|
|
case TBL_DATA_NDHORIZ:
|
|
case TBL_DATA_DHORIZ:
|
|
tbl_fill_border(tp, BHORIZ * 2, col->width);
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (cp->pos) {
|
|
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:
|
|
tbl_number(tp, opts, dp, col);
|
|
break;
|
|
case TBL_CELL_DOWN:
|
|
case TBL_CELL_SPAN:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
|
|
static void
|
|
tbl_fill_string(struct termp *tp, const char *cp, size_t len)
|
|
{
|
|
size_t i, sz;
|
|
|
|
sz = term_strlen(tp, cp);
|
|
for (i = 0; i < len; i += sz)
|
|
term_word(tp, cp);
|
|
}
|
|
|
|
static void
|
|
tbl_fill_char(struct termp *tp, char c, size_t len)
|
|
{
|
|
char cp[2];
|
|
|
|
cp[0] = c;
|
|
cp[1] = '\0';
|
|
tbl_fill_string(tp, cp, len);
|
|
}
|
|
|
|
static void
|
|
tbl_fill_border(struct termp *tp, int c, size_t len)
|
|
{
|
|
char buf[12];
|
|
|
|
if ((c = borders_locale[c]) > 127) {
|
|
(void)snprintf(buf, sizeof(buf), "\\[u%04x]", c);
|
|
tbl_fill_string(tp, buf, len);
|
|
} else
|
|
tbl_fill_char(tp, c, len);
|
|
}
|
|
|
|
static void
|
|
tbl_direct_border(struct termp *tp, int c, size_t len)
|
|
{
|
|
size_t i, sz;
|
|
|
|
c = borders_locale[c];
|
|
sz = (*tp->width)(tp, c);
|
|
for (i = 0; i < len; i += sz) {
|
|
(*tp->letter)(tp, c);
|
|
tp->viscol += sz;
|
|
}
|
|
}
|
|
|
|
static void
|
|
tbl_literal(struct termp *tp, const struct tbl_dat *dp,
|
|
const struct roffcol *col)
|
|
{
|
|
size_t len, padl, padr, width;
|
|
int ic, hspans;
|
|
|
|
assert(dp->string);
|
|
len = term_strlen(tp, dp->string);
|
|
width = col->width;
|
|
ic = dp->layout->col;
|
|
hspans = dp->hspans;
|
|
while (hspans--)
|
|
width += tp->tbl.cols[++ic].width + 3;
|
|
|
|
padr = width > len ? width - len : 0;
|
|
padl = 0;
|
|
|
|
switch (dp->layout->pos) {
|
|
case TBL_CELL_LONG:
|
|
padl = term_len(tp, 1);
|
|
padr = padr > padl ? padr - padl : 0;
|
|
break;
|
|
case TBL_CELL_CENTRE:
|
|
if (2 > padr)
|
|
break;
|
|
padl = padr / 2;
|
|
padr -= padl;
|
|
break;
|
|
case TBL_CELL_RIGHT:
|
|
padl = padr;
|
|
padr = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
tbl_fill_char(tp, ASCII_NBRSP, padl);
|
|
tbl_word(tp, dp);
|
|
tbl_fill_char(tp, ASCII_NBRSP, padr);
|
|
}
|
|
|
|
static void
|
|
tbl_number(struct termp *tp, const struct tbl_opts *opts,
|
|
const struct tbl_dat *dp,
|
|
const struct roffcol *col)
|
|
{
|
|
const char *cp, *lastdigit, *lastpoint;
|
|
size_t intsz, padl, totsz;
|
|
char buf[2];
|
|
|
|
/*
|
|
* Almost the same code as in tblcalc_number():
|
|
* First find the position of the decimal point.
|
|
*/
|
|
|
|
assert(dp->string);
|
|
lastdigit = lastpoint = NULL;
|
|
for (cp = dp->string; cp[0] != '\0'; cp++) {
|
|
if (cp[0] == '\\' && cp[1] == '&') {
|
|
lastdigit = lastpoint = cp;
|
|
break;
|
|
} else if (cp[0] == opts->decimal &&
|
|
(isdigit((unsigned char)cp[1]) ||
|
|
(cp > dp->string && isdigit((unsigned char)cp[-1]))))
|
|
lastpoint = cp;
|
|
else if (isdigit((unsigned char)cp[0]))
|
|
lastdigit = cp;
|
|
}
|
|
|
|
/* Then measure both widths. */
|
|
|
|
padl = 0;
|
|
totsz = term_strlen(tp, dp->string);
|
|
if (lastdigit != NULL) {
|
|
if (lastpoint == NULL)
|
|
lastpoint = lastdigit + 1;
|
|
intsz = 0;
|
|
buf[1] = '\0';
|
|
for (cp = dp->string; cp < lastpoint; cp++) {
|
|
buf[0] = cp[0];
|
|
intsz += term_strlen(tp, buf);
|
|
}
|
|
|
|
/*
|
|
* Pad left to match the decimal position,
|
|
* but avoid exceeding the total column width.
|
|
*/
|
|
|
|
if (col->decimal > intsz && col->width > totsz) {
|
|
padl = col->decimal - intsz;
|
|
if (padl + totsz > col->width)
|
|
padl = col->width - totsz;
|
|
}
|
|
|
|
/* If it is not a number, simply center the string. */
|
|
|
|
} else if (col->width > totsz)
|
|
padl = (col->width - totsz) / 2;
|
|
|
|
tbl_fill_char(tp, ASCII_NBRSP, padl);
|
|
tbl_word(tp, dp);
|
|
|
|
/* Pad right to fill the column. */
|
|
|
|
if (col->width > padl + totsz)
|
|
tbl_fill_char(tp, ASCII_NBRSP, col->width - padl - totsz);
|
|
}
|
|
|
|
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);
|
|
}
|