371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov/* $Id: tbl_layout.c,v 1.41 2015/10/12 00:08:16 schwarze Exp $ */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * Copyright (c) 2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Permission to use, copy, modify, and distribute this software for any
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * purpose with or without fee is hereby granted, provided that the above
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * copyright notice and this permission notice appear in all copies.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "config.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov#include <sys/types.h>
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <ctype.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <stdlib.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <string.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <time.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "mandoc.h"
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov#include "mandoc_aux.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "libmandoc.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "libroff.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestruct tbl_phrase {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char name;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore enum tbl_cellt key;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore};
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovstatic const struct tbl_phrase keys[] = {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { 'c', TBL_CELL_CENTRE },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { 'r', TBL_CELL_RIGHT },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { 'l', TBL_CELL_LEFT },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { 'n', TBL_CELL_NUMBER },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { 's', TBL_CELL_SPAN },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { 'a', TBL_CELL_LONG },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { '^', TBL_CELL_DOWN },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { '-', TBL_CELL_HORIZ },
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore { '_', TBL_CELL_HORIZ },
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore { '=', TBL_CELL_DHORIZ }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore};
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov#define KEYS_MAX ((int)(sizeof(keys)/sizeof(keys[0])))
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovstatic void mods(struct tbl_node *, struct tbl_cell *,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int, const char *, int *);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovstatic void cell(struct tbl_node *, struct tbl_row *,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int, const char *, int *);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amorestatic struct tbl_cell *cell_alloc(struct tbl_node *, struct tbl_row *,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov enum tbl_cellt);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovstatic void
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovmods(struct tbl_node *tbl, struct tbl_cell *cp,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int ln, const char *p, int *pos)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov char *endptr;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovmod:
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov while (p[*pos] == ' ' || p[*pos] == '\t')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* Row delimiters and cell specifiers end modifier lists. */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (strchr(".,-=^_ACLNRSaclnrs", p[*pos]) != NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Throw away parenthesised expression. */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ('(' == p[*pos]) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (*pos)++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (p[*pos] && ')' != p[*pos])
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (*pos)++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (')' == p[*pos]) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (*pos)++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_PAR, tbl->parse,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov ln, *pos, NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Parse numerical spacing from modifier string. */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (isdigit((unsigned char)p[*pos])) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->spacing = strtoull(p + *pos, &endptr, 10);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov *pos = endptr - p;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore switch (tolower((unsigned char)p[(*pos)++])) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'b':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->flags |= TBL_CELL_BOLD;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'd':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->flags |= TBL_CELL_BALIGN;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'e':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore cp->flags |= TBL_CELL_EQUAL;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'f':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov break;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'i':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->flags |= TBL_CELL_ITALIC;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'm':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_MOD, tbl->parse,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov ln, *pos, "m");
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'p':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'v':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] == '-' || p[*pos] == '+')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov while (isdigit((unsigned char)p[*pos]))
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 't':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore cp->flags |= TBL_CELL_TALIGN;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'u':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->flags |= TBL_CELL_UP;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'w': /* XXX for now, ignore minimal column width */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'x':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->flags |= TBL_CELL_WMAX;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'z':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->flags |= TBL_CELL_WIGN;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case '|':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (cp->vert < 2)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cp->vert++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov else
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_VERT,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->parse, ln, *pos - 1, NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore default:
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_vmsg(MANDOCERR_TBLLAYOUT_CHAR, tbl->parse,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov ln, *pos - 1, "%c", p[*pos - 1]);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* Ignore parenthised font names for now. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] == '(')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* Support only one-character font-names for now. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] == '\0' || (p[*pos + 1] != ' ' && p[*pos + 1] != '.')) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_vmsg(MANDOCERR_FT_BAD, tbl->parse,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov ln, *pos, "TS %s", p + *pos - 1);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] != '\0')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] != '\0')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov switch (p[(*pos)++]) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case '3':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'B':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore cp->flags |= TBL_CELL_BOLD;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case '2':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'I':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore cp->flags |= TBL_CELL_ITALIC;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case '1':
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case 'R':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore goto mod;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore default:
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_vmsg(MANDOCERR_FT_BAD, tbl->parse,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov ln, *pos - 1, "TS f%c", p[*pos - 1]);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto mod;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovstatic void
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovcell(struct tbl_node *tbl, struct tbl_row *rp,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int ln, const char *p, int *pos)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov int i;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore enum tbl_cellt c;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* Handle leading vertical lines */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov while (p[*pos] == ' ' || p[*pos] == '\t' || p[*pos] == '|') {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] == '|') {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (rp->vert < 2)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp->vert++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov else
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_VERT,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->parse, ln, *pos, NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovagain:
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov while (p[*pos] == ' ' || p[*pos] == '\t')
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore (*pos)++;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (p[*pos] == '.' || p[*pos] == '\0')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov return;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore /* Parse the column position (`c', `l', `r', ...). */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < KEYS_MAX; i++)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (tolower((unsigned char)p[*pos]) == keys[i].name)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (i == KEYS_MAX) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_vmsg(MANDOCERR_TBLLAYOUT_CHAR, tbl->parse,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov ln, *pos, "%c", p[*pos]);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov (*pos)++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov goto again;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore c = keys[i].key;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* Special cases of spanners. */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (c == TBL_CELL_SPAN) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (rp->last == NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_SPAN,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->parse, ln, *pos, NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov else if (rp->last->pos == TBL_CELL_HORIZ ||
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp->last->pos == TBL_CELL_DHORIZ)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov c = rp->last->pos;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov } else if (c == TBL_CELL_DOWN && rp == tbl->first_row)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_DOWN,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->parse, ln, *pos, NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (*pos)++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Allocate cell then parse its modifiers. */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mods(tbl, cell_alloc(tbl, rp, c), ln, p, pos);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovvoid
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovtbl_layout(struct tbl_node *tbl, int ln, const char *p, int pos)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct tbl_row *rp;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp = NULL;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov for (;;) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* Skip whitespace before and after each cell. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov while (p[pos] == ' ' || p[pos] == '\t')
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov pos++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov switch (p[pos]) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case ',': /* Next row on this input line. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov pos++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp = NULL;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov continue;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case '\0': /* Next row on next input line. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov return;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov case '.': /* End of layout. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov pos++;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->part = TBL_PART_DATA;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /*
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * When the layout is completely empty,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * default to one left-justified column.
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (tbl->first_row == NULL) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->first_row = tbl->last_row =
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_calloc(1, sizeof(*rp));
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (tbl->first_row->first == NULL) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov mandoc_msg(MANDOCERR_TBLLAYOUT_NONE,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->parse, ln, pos, NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cell_alloc(tbl, tbl->first_row,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov TBL_CELL_LEFT);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov return;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /*
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * Search for the widest line
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * along the left and right margins.
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov for (rp = tbl->first_row; rp; rp = rp->next) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (tbl->opts.lvert < rp->vert)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->opts.lvert = rp->vert;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (rp->last != NULL &&
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp->last->col + 1 == tbl->opts.cols &&
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->opts.rvert < rp->last->vert)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->opts.rvert = rp->last->vert;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /* If the last line is empty, drop it. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (rp->next != NULL &&
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp->next->first == NULL) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov free(rp->next);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp->next = NULL;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov tbl->last_row = rp;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov return;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov default: /* Cell. */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov break;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov /*
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * If the last line had at least one cell,
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * start a new one; otherwise, continue it.
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (rp == NULL) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (tbl->last_row == NULL ||
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->last_row->first != NULL) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp = mandoc_calloc(1, sizeof(*rp));
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (tbl->last_row)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->last_row->next = rp;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov else
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->first_row = rp;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->last_row = rp;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov } else
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov rp = tbl->last_row;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov cell(tbl, rp, ln, p, &pos);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic struct tbl_cell *
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovcell_alloc(struct tbl_node *tbl, struct tbl_row *rp, enum tbl_cellt pos)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct tbl_cell *p, *pp;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov p = mandoc_calloc(1, sizeof(*p));
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov p->pos = pos;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if ((pp = rp->last) != NULL) {
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore pp->next = p;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov p->col = pp->col + 1;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov } else
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore rp->first = p;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore rp->last = p;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov if (tbl->opts.cols <= p->col)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov tbl->opts.cols = p->col + 1;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov return p;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}