1153 lines
22 KiB
C
1153 lines
22 KiB
C
/* $Id: man_term.c,v 1.11 2015/12/17 22:31:12 christos Exp $ */
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/*
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* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2010-2015 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 <limits.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 "mandoc_aux.h"
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#include "out.h"
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#include "man.h"
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#include "term.h"
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#include "main.h"
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#define MAXMARGINS 64 /* maximum number of indented scopes */
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struct mtermp {
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int fl;
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#define MANT_LITERAL (1 << 0)
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int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
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int lmargincur; /* index of current margin */
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int lmarginsz; /* actual number of nested margins */
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size_t offset; /* default offset to visible page */
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int pardist; /* vert. space before par., unit: [v] */
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};
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#define DECL_ARGS struct termp *p, \
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struct mtermp *mt, \
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struct man_node *n, \
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const struct man_meta *meta
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struct termact {
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int (*pre)(DECL_ARGS);
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void (*post)(DECL_ARGS);
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int flags;
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#define MAN_NOTEXT (1 << 0) /* Never has text children. */
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};
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static void print_man_nodelist(DECL_ARGS);
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static void print_man_node(DECL_ARGS);
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static void print_man_head(struct termp *, const void *);
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static void print_man_foot(struct termp *, const void *);
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static void print_bvspace(struct termp *,
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const struct man_node *, int);
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static int pre_B(DECL_ARGS);
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static int pre_HP(DECL_ARGS);
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static int pre_I(DECL_ARGS);
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static int pre_IP(DECL_ARGS);
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static int pre_OP(DECL_ARGS);
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static int pre_PD(DECL_ARGS);
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static int pre_PP(DECL_ARGS);
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static int pre_RS(DECL_ARGS);
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static int pre_SH(DECL_ARGS);
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static int pre_SS(DECL_ARGS);
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static int pre_TP(DECL_ARGS);
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static int pre_UR(DECL_ARGS);
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static int pre_alternate(DECL_ARGS);
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static int pre_ft(DECL_ARGS);
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static int pre_ign(DECL_ARGS);
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static int pre_in(DECL_ARGS);
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static int pre_literal(DECL_ARGS);
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static int pre_ll(DECL_ARGS);
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static int pre_sp(DECL_ARGS);
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static void post_IP(DECL_ARGS);
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static void post_HP(DECL_ARGS);
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static void post_RS(DECL_ARGS);
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static void post_SH(DECL_ARGS);
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static void post_SS(DECL_ARGS);
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static void post_TP(DECL_ARGS);
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static void post_UR(DECL_ARGS);
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static const struct termact termacts[MAN_MAX] = {
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{ pre_sp, NULL, MAN_NOTEXT }, /* br */
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{ NULL, NULL, 0 }, /* TH */
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{ pre_SH, post_SH, 0 }, /* SH */
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{ pre_SS, post_SS, 0 }, /* SS */
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{ pre_TP, post_TP, 0 }, /* TP */
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{ pre_PP, NULL, 0 }, /* LP */
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{ pre_PP, NULL, 0 }, /* PP */
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{ pre_PP, NULL, 0 }, /* P */
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{ pre_IP, post_IP, 0 }, /* IP */
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{ pre_HP, post_HP, 0 }, /* HP */
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{ NULL, NULL, 0 }, /* SM */
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{ pre_B, NULL, 0 }, /* SB */
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{ pre_alternate, NULL, 0 }, /* BI */
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{ pre_alternate, NULL, 0 }, /* IB */
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{ pre_alternate, NULL, 0 }, /* BR */
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{ pre_alternate, NULL, 0 }, /* RB */
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{ NULL, NULL, 0 }, /* R */
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{ pre_B, NULL, 0 }, /* B */
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{ pre_I, NULL, 0 }, /* I */
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{ pre_alternate, NULL, 0 }, /* IR */
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{ pre_alternate, NULL, 0 }, /* RI */
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{ pre_sp, NULL, MAN_NOTEXT }, /* sp */
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{ pre_literal, NULL, 0 }, /* nf */
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{ pre_literal, NULL, 0 }, /* fi */
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{ NULL, NULL, 0 }, /* RE */
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{ pre_RS, post_RS, 0 }, /* RS */
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{ pre_ign, NULL, 0 }, /* DT */
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{ pre_ign, NULL, MAN_NOTEXT }, /* UC */
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{ pre_PD, NULL, MAN_NOTEXT }, /* PD */
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{ pre_ign, NULL, 0 }, /* AT */
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{ pre_in, NULL, MAN_NOTEXT }, /* in */
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{ pre_ft, NULL, MAN_NOTEXT }, /* ft */
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{ pre_OP, NULL, 0 }, /* OP */
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{ pre_literal, NULL, 0 }, /* EX */
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{ pre_literal, NULL, 0 }, /* EE */
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{ pre_UR, post_UR, 0 }, /* UR */
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{ NULL, NULL, 0 }, /* UE */
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{ pre_ll, NULL, MAN_NOTEXT }, /* ll */
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};
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void
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terminal_man(void *arg, const struct man *man)
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{
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struct termp *p;
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const struct man_meta *meta;
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struct man_node *n;
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struct mtermp mt;
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p = (struct termp *)arg;
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p->overstep = 0;
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p->rmargin = p->maxrmargin = p->defrmargin;
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p->tabwidth = term_len(p, 5);
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n = man_node(man)->child;
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meta = man_meta(man);
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memset(&mt, 0, sizeof(struct mtermp));
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mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
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mt.offset = term_len(p, p->defindent);
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mt.pardist = 1;
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if (p->synopsisonly) {
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while (n != NULL) {
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if (n->tok == MAN_SH &&
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n->child->child->type == MAN_TEXT &&
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!strcmp(n->child->child->string, "SYNOPSIS")) {
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if (n->child->next->child != NULL)
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print_man_nodelist(p, &mt,
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n->child->next->child, meta);
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term_newln(p);
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break;
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}
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n = n->next;
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}
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} else {
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if (p->defindent == 0)
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p->defindent = 7;
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term_begin(p, print_man_head, print_man_foot, meta);
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p->flags |= TERMP_NOSPACE;
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if (n != NULL)
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print_man_nodelist(p, &mt, n, meta);
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term_end(p);
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}
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}
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/*
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* Printing leading vertical space before a block.
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* This is used for the paragraph macros.
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* The rules are pretty simple, since there's very little nesting going
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* on here. Basically, if we're the first within another block (SS/SH),
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* then don't emit vertical space. If we are (RS), then do. If not the
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* first, print it.
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*/
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static void
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print_bvspace(struct termp *p, const struct man_node *n, int pardist)
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{
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int i;
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term_newln(p);
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if (n->body && n->body->child)
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if (MAN_TBL == n->body->child->type)
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return;
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if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
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if (NULL == n->prev)
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return;
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for (i = 0; i < pardist; i++)
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term_vspace(p);
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}
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static int
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pre_ign(DECL_ARGS)
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{
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return(0);
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}
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static int
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pre_ll(DECL_ARGS)
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{
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term_setwidth(p, n->nchild ? n->child->string : NULL);
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return(0);
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}
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static int
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pre_I(DECL_ARGS)
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{
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term_fontrepl(p, TERMFONT_UNDER);
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return(1);
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}
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static int
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pre_literal(DECL_ARGS)
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{
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term_newln(p);
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if (MAN_nf == n->tok || MAN_EX == n->tok)
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mt->fl |= MANT_LITERAL;
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else
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mt->fl &= ~MANT_LITERAL;
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/*
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* Unlike .IP and .TP, .HP does not have a HEAD.
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* So in case a second call to term_flushln() is needed,
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* indentation has to be set up explicitly.
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*/
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if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
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p->offset = p->rmargin;
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p->rmargin = p->maxrmargin;
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p->trailspace = 0;
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p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
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p->flags |= TERMP_NOSPACE;
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}
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return(0);
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}
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static int
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pre_PD(DECL_ARGS)
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{
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struct roffsu su;
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n = n->child;
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if (n == NULL) {
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mt->pardist = 1;
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return(0);
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}
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assert(MAN_TEXT == n->type);
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if (a2roffsu(n->string, &su, SCALE_VS))
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mt->pardist = term_vspan(p, &su);
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return(0);
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}
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static int
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pre_alternate(DECL_ARGS)
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{
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enum termfont font[2];
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struct man_node *nn;
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int savelit, i;
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switch (n->tok) {
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case MAN_RB:
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font[0] = TERMFONT_NONE;
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font[1] = TERMFONT_BOLD;
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break;
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case MAN_RI:
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font[0] = TERMFONT_NONE;
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font[1] = TERMFONT_UNDER;
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break;
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case MAN_BR:
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font[0] = TERMFONT_BOLD;
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font[1] = TERMFONT_NONE;
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break;
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case MAN_BI:
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font[0] = TERMFONT_BOLD;
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font[1] = TERMFONT_UNDER;
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break;
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case MAN_IR:
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font[0] = TERMFONT_UNDER;
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font[1] = TERMFONT_NONE;
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break;
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case MAN_IB:
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font[0] = TERMFONT_UNDER;
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font[1] = TERMFONT_BOLD;
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break;
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default:
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abort();
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}
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savelit = MANT_LITERAL & mt->fl;
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mt->fl &= ~MANT_LITERAL;
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for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
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term_fontrepl(p, font[i]);
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if (savelit && NULL == nn->next)
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mt->fl |= MANT_LITERAL;
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print_man_node(p, mt, nn, meta);
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if (nn->next)
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p->flags |= TERMP_NOSPACE;
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}
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return(0);
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}
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static int
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pre_B(DECL_ARGS)
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{
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term_fontrepl(p, TERMFONT_BOLD);
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return(1);
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}
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static int
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pre_OP(DECL_ARGS)
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{
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term_word(p, "[");
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p->flags |= TERMP_NOSPACE;
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if (NULL != (n = n->child)) {
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term_fontrepl(p, TERMFONT_BOLD);
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term_word(p, n->string);
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}
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if (NULL != n && NULL != n->next) {
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term_fontrepl(p, TERMFONT_UNDER);
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term_word(p, n->next->string);
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}
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term_fontrepl(p, TERMFONT_NONE);
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p->flags |= TERMP_NOSPACE;
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term_word(p, "]");
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return(0);
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}
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static int
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pre_ft(DECL_ARGS)
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{
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const char *cp;
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if (NULL == n->child) {
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term_fontlast(p);
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return(0);
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}
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cp = n->child->string;
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switch (*cp) {
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case '4':
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/* FALLTHROUGH */
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case '3':
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/* FALLTHROUGH */
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case 'B':
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term_fontrepl(p, TERMFONT_BOLD);
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break;
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case '2':
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/* FALLTHROUGH */
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case 'I':
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term_fontrepl(p, TERMFONT_UNDER);
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break;
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case 'P':
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term_fontlast(p);
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break;
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case '1':
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/* FALLTHROUGH */
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case 'C':
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/* FALLTHROUGH */
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case 'R':
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term_fontrepl(p, TERMFONT_NONE);
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break;
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default:
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break;
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}
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return(0);
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}
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static int
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pre_in(DECL_ARGS)
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{
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struct roffsu su;
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const char *cp;
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size_t v;
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int less;
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term_newln(p);
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if (NULL == n->child) {
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p->offset = mt->offset;
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return(0);
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}
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cp = n->child->string;
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less = 0;
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if ('-' == *cp)
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less = -1;
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else if ('+' == *cp)
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less = 1;
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else
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cp--;
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if ( ! a2roffsu(++cp, &su, SCALE_EN))
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return(0);
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v = term_hspan(p, &su);
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if (less < 0)
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p->offset -= p->offset > v ? v : p->offset;
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else if (less > 0)
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p->offset += v;
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else
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p->offset = v;
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if (p->offset > SHRT_MAX)
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p->offset = term_len(p, p->defindent);
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return(0);
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}
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static int
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pre_sp(DECL_ARGS)
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{
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struct roffsu su;
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int i, len;
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if ((NULL == n->prev && n->parent)) {
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switch (n->parent->tok) {
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case MAN_SH:
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/* FALLTHROUGH */
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case MAN_SS:
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/* FALLTHROUGH */
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case MAN_PP:
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/* FALLTHROUGH */
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case MAN_LP:
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/* FALLTHROUGH */
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case MAN_P:
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/* FALLTHROUGH */
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return(0);
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default:
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break;
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}
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}
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if (n->tok == MAN_br)
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len = 0;
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else if (n->child == NULL)
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len = 1;
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else {
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if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
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su.scale = 1.0;
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len = term_vspan(p, &su);
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}
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if (len == 0)
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term_newln(p);
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else if (len < 0)
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p->skipvsp -= len;
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else
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for (i = 0; i < len; i++)
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term_vspace(p);
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return(0);
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}
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static int
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pre_HP(DECL_ARGS)
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{
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struct roffsu su;
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const struct man_node *nn;
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int len;
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switch (n->type) {
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case MAN_BLOCK:
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print_bvspace(p, n, mt->pardist);
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return(1);
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case MAN_BODY:
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break;
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default:
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return(0);
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}
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if ( ! (MANT_LITERAL & mt->fl)) {
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p->flags |= TERMP_NOBREAK | TERMP_BRIND;
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p->trailspace = 2;
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}
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/* Calculate offset. */
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if ((nn = n->parent->head->child) != NULL &&
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a2roffsu(nn->string, &su, SCALE_EN)) {
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len = term_hspan(p, &su);
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if (len < 0 && (size_t)(-len) > mt->offset)
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len = -mt->offset;
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else if (len > SHRT_MAX)
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len = term_len(p, p->defindent);
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mt->lmargin[mt->lmargincur] = len;
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} else
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len = mt->lmargin[mt->lmargincur];
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p->offset = mt->offset;
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p->rmargin = mt->offset + len;
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return(1);
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}
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|
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static void
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post_HP(DECL_ARGS)
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{
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|
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switch (n->type) {
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case MAN_BODY:
|
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term_newln(p);
|
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p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
|
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p->trailspace = 0;
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p->offset = mt->offset;
|
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p->rmargin = p->maxrmargin;
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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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|
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static int
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pre_PP(DECL_ARGS)
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{
|
|
|
|
switch (n->type) {
|
|
case MAN_BLOCK:
|
|
mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
|
|
print_bvspace(p, n, mt->pardist);
|
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break;
|
|
default:
|
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p->offset = mt->offset;
|
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break;
|
|
}
|
|
|
|
return(MAN_HEAD != n->type);
|
|
}
|
|
|
|
static int
|
|
pre_IP(DECL_ARGS)
|
|
{
|
|
struct roffsu su;
|
|
const struct man_node *nn;
|
|
int len, savelit;
|
|
|
|
switch (n->type) {
|
|
case MAN_BODY:
|
|
p->flags |= TERMP_NOSPACE;
|
|
break;
|
|
case MAN_HEAD:
|
|
p->flags |= TERMP_NOBREAK;
|
|
p->trailspace = 1;
|
|
break;
|
|
case MAN_BLOCK:
|
|
print_bvspace(p, n, mt->pardist);
|
|
/* FALLTHROUGH */
|
|
default:
|
|
return(1);
|
|
}
|
|
|
|
/* Calculate the offset from the optional second argument. */
|
|
if ((nn = n->parent->head->child) != NULL &&
|
|
(nn = nn->next) != NULL &&
|
|
a2roffsu(nn->string, &su, SCALE_EN)) {
|
|
len = term_hspan(p, &su);
|
|
if (len < 0 && (size_t)(-len) > mt->offset)
|
|
len = -mt->offset;
|
|
else if (len > SHRT_MAX)
|
|
len = term_len(p, p->defindent);
|
|
mt->lmargin[mt->lmargincur] = len;
|
|
} else
|
|
len = mt->lmargin[mt->lmargincur];
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
p->offset = mt->offset;
|
|
p->rmargin = mt->offset + len;
|
|
|
|
savelit = MANT_LITERAL & mt->fl;
|
|
mt->fl &= ~MANT_LITERAL;
|
|
|
|
if (n->child)
|
|
print_man_node(p, mt, n->child, meta);
|
|
|
|
if (savelit)
|
|
mt->fl |= MANT_LITERAL;
|
|
|
|
return(0);
|
|
case MAN_BODY:
|
|
p->offset = mt->offset + len;
|
|
p->rmargin = p->maxrmargin;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_IP(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
term_flushln(p);
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->trailspace = 0;
|
|
p->rmargin = p->maxrmargin;
|
|
break;
|
|
case MAN_BODY:
|
|
term_newln(p);
|
|
p->offset = mt->offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_TP(DECL_ARGS)
|
|
{
|
|
struct roffsu su;
|
|
struct man_node *nn;
|
|
int len, savelit;
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
p->flags |= TERMP_NOBREAK;
|
|
p->trailspace = 1;
|
|
break;
|
|
case MAN_BODY:
|
|
p->flags |= TERMP_NOSPACE;
|
|
break;
|
|
case MAN_BLOCK:
|
|
print_bvspace(p, n, mt->pardist);
|
|
/* FALLTHROUGH */
|
|
default:
|
|
return(1);
|
|
}
|
|
|
|
/* Calculate offset. */
|
|
|
|
if ((nn = n->parent->head->child) != NULL &&
|
|
nn->string != NULL && ! (MAN_LINE & nn->flags) &&
|
|
a2roffsu(nn->string, &su, SCALE_EN)) {
|
|
len = term_hspan(p, &su);
|
|
if (len < 0 && (size_t)(-len) > mt->offset)
|
|
len = -mt->offset;
|
|
else if (len > SHRT_MAX)
|
|
len = term_len(p, p->defindent);
|
|
mt->lmargin[mt->lmargincur] = len;
|
|
} else
|
|
len = mt->lmargin[mt->lmargincur];
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
p->offset = mt->offset;
|
|
p->rmargin = mt->offset + len;
|
|
|
|
savelit = MANT_LITERAL & mt->fl;
|
|
mt->fl &= ~MANT_LITERAL;
|
|
|
|
/* Don't print same-line elements. */
|
|
nn = n->child;
|
|
while (NULL != nn && 0 == (MAN_LINE & nn->flags))
|
|
nn = nn->next;
|
|
|
|
while (NULL != nn) {
|
|
print_man_node(p, mt, nn, meta);
|
|
nn = nn->next;
|
|
}
|
|
|
|
if (savelit)
|
|
mt->fl |= MANT_LITERAL;
|
|
return(0);
|
|
case MAN_BODY:
|
|
p->offset = mt->offset + len;
|
|
p->rmargin = p->maxrmargin;
|
|
p->trailspace = 0;
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_TP(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
term_flushln(p);
|
|
break;
|
|
case MAN_BODY:
|
|
term_newln(p);
|
|
p->offset = mt->offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_SS(DECL_ARGS)
|
|
{
|
|
int i;
|
|
|
|
switch (n->type) {
|
|
case MAN_BLOCK:
|
|
mt->fl &= ~MANT_LITERAL;
|
|
mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
|
|
mt->offset = term_len(p, p->defindent);
|
|
|
|
/*
|
|
* No vertical space before the first subsection
|
|
* and after an empty subsection.
|
|
*/
|
|
|
|
do {
|
|
n = n->prev;
|
|
} while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
|
|
if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
|
|
break;
|
|
|
|
for (i = 0; i < mt->pardist; i++)
|
|
term_vspace(p);
|
|
break;
|
|
case MAN_HEAD:
|
|
term_fontrepl(p, TERMFONT_BOLD);
|
|
p->offset = term_len(p, 3);
|
|
break;
|
|
case MAN_BODY:
|
|
p->offset = mt->offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_SS(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
term_newln(p);
|
|
break;
|
|
case MAN_BODY:
|
|
term_newln(p);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_SH(DECL_ARGS)
|
|
{
|
|
int i;
|
|
|
|
switch (n->type) {
|
|
case MAN_BLOCK:
|
|
mt->fl &= ~MANT_LITERAL;
|
|
mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
|
|
mt->offset = term_len(p, p->defindent);
|
|
|
|
/*
|
|
* No vertical space before the first section
|
|
* and after an empty section.
|
|
*/
|
|
|
|
do {
|
|
n = n->prev;
|
|
} while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
|
|
if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
|
|
break;
|
|
|
|
for (i = 0; i < mt->pardist; i++)
|
|
term_vspace(p);
|
|
break;
|
|
case MAN_HEAD:
|
|
term_fontrepl(p, TERMFONT_BOLD);
|
|
p->offset = 0;
|
|
break;
|
|
case MAN_BODY:
|
|
p->offset = mt->offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_SH(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MAN_HEAD:
|
|
term_newln(p);
|
|
break;
|
|
case MAN_BODY:
|
|
term_newln(p);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_RS(DECL_ARGS)
|
|
{
|
|
struct roffsu su;
|
|
|
|
switch (n->type) {
|
|
case MAN_BLOCK:
|
|
term_newln(p);
|
|
return(1);
|
|
case MAN_HEAD:
|
|
return(0);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
n = n->parent->head;
|
|
n->aux = SHRT_MAX + 1;
|
|
if (n->child != NULL && a2roffsu(n->child->string, &su, SCALE_EN))
|
|
n->aux = term_hspan(p, &su);
|
|
if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
|
|
n->aux = -mt->offset;
|
|
else if (n->aux > SHRT_MAX)
|
|
n->aux = term_len(p, p->defindent);
|
|
|
|
mt->offset += n->aux;
|
|
p->offset = mt->offset;
|
|
p->rmargin = p->maxrmargin;
|
|
|
|
if (++mt->lmarginsz < MAXMARGINS)
|
|
mt->lmargincur = mt->lmarginsz;
|
|
|
|
mt->lmargin[mt->lmargincur] = mt->lmargin[mt->lmargincur - 1];
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_RS(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MAN_BLOCK:
|
|
return;
|
|
case MAN_HEAD:
|
|
return;
|
|
default:
|
|
term_newln(p);
|
|
break;
|
|
}
|
|
|
|
mt->offset -= n->parent->head->aux;
|
|
p->offset = mt->offset;
|
|
|
|
if (--mt->lmarginsz < MAXMARGINS)
|
|
mt->lmargincur = mt->lmarginsz;
|
|
}
|
|
|
|
static int
|
|
pre_UR(DECL_ARGS)
|
|
{
|
|
|
|
return (MAN_HEAD != n->type);
|
|
}
|
|
|
|
static void
|
|
post_UR(DECL_ARGS)
|
|
{
|
|
|
|
if (MAN_BLOCK != n->type)
|
|
return;
|
|
|
|
term_word(p, "<");
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
if (NULL != n->child->child)
|
|
print_man_node(p, mt, n->child->child, meta);
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ">");
|
|
}
|
|
|
|
static void
|
|
print_man_node(DECL_ARGS)
|
|
{
|
|
size_t rm, rmax;
|
|
int c;
|
|
|
|
switch (n->type) {
|
|
case MAN_TEXT:
|
|
/*
|
|
* If we have a blank line, output a vertical space.
|
|
* If we have a space as the first character, break
|
|
* before printing the line's data.
|
|
*/
|
|
if ('\0' == *n->string) {
|
|
term_vspace(p);
|
|
return;
|
|
} else if (' ' == *n->string && MAN_LINE & n->flags)
|
|
term_newln(p);
|
|
|
|
term_word(p, n->string);
|
|
goto out;
|
|
|
|
case MAN_EQN:
|
|
if ( ! (n->flags & MAN_LINE))
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_eqn(p, n->eqn);
|
|
if (n->next != NULL && ! (n->next->flags & MAN_LINE))
|
|
p->flags |= TERMP_NOSPACE;
|
|
return;
|
|
case MAN_TBL:
|
|
if (p->tbl.cols == NULL)
|
|
term_vspace(p);
|
|
term_tbl(p, n->span);
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
|
|
c = 1;
|
|
if (termacts[n->tok].pre)
|
|
c = (*termacts[n->tok].pre)(p, mt, n, meta);
|
|
|
|
if (c && n->child)
|
|
print_man_nodelist(p, mt, n->child, meta);
|
|
|
|
if (termacts[n->tok].post)
|
|
(*termacts[n->tok].post)(p, mt, n, meta);
|
|
if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
|
|
out:
|
|
/*
|
|
* If we're in a literal context, make sure that words
|
|
* together on the same line stay together. This is a
|
|
* POST-printing call, so we check the NEXT word. Since
|
|
* -man doesn't have nested macros, we don't need to be
|
|
* more specific than this.
|
|
*/
|
|
if (mt->fl & MANT_LITERAL &&
|
|
! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
|
|
(n->next == NULL || n->next->flags & MAN_LINE)) {
|
|
rm = p->rmargin;
|
|
rmax = p->maxrmargin;
|
|
p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
|
|
p->flags |= TERMP_NOSPACE;
|
|
if (n->string != NULL && *n->string != '\0')
|
|
term_flushln(p);
|
|
else
|
|
term_newln(p);
|
|
if (rm < rmax && n->parent->tok == MAN_HP) {
|
|
p->offset = rm;
|
|
p->rmargin = rmax;
|
|
} else
|
|
p->rmargin = rm;
|
|
p->maxrmargin = rmax;
|
|
}
|
|
if (MAN_EOS & n->flags)
|
|
p->flags |= TERMP_SENTENCE;
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_nodelist(DECL_ARGS)
|
|
{
|
|
|
|
while (n != NULL) {
|
|
print_man_node(p, mt, n, meta);
|
|
n = n->next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_man_foot(struct termp *p, const void *arg)
|
|
{
|
|
const struct man_meta *meta;
|
|
char *title;
|
|
size_t datelen, titlen;
|
|
|
|
meta = (const struct man_meta *)arg;
|
|
assert(meta->title);
|
|
assert(meta->msec);
|
|
assert(meta->date);
|
|
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
|
|
if (meta->hasbody)
|
|
term_vspace(p);
|
|
|
|
/*
|
|
* Temporary, undocumented option to imitate mdoc(7) output.
|
|
* In the bottom right corner, use the source instead of
|
|
* the title.
|
|
*/
|
|
|
|
if ( ! p->mdocstyle) {
|
|
if (meta->hasbody) {
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
}
|
|
mandoc_asprintf(&title, "%s(%s)",
|
|
meta->title, meta->msec);
|
|
} else if (meta->source) {
|
|
title = mandoc_strdup(meta->source);
|
|
} else {
|
|
title = mandoc_strdup("");
|
|
}
|
|
datelen = term_strlen(p, meta->date);
|
|
|
|
/* Bottom left corner: manual source. */
|
|
|
|
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
|
|
p->trailspace = 1;
|
|
p->offset = 0;
|
|
p->rmargin = p->maxrmargin > datelen ?
|
|
(p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
|
|
|
|
if (meta->source)
|
|
term_word(p, meta->source);
|
|
term_flushln(p);
|
|
|
|
/* At the bottom in the middle: manual date. */
|
|
|
|
p->offset = p->rmargin;
|
|
titlen = term_strlen(p, title);
|
|
p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
term_word(p, meta->date);
|
|
term_flushln(p);
|
|
|
|
/* Bottom right corner: manual title and section. */
|
|
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->flags |= TERMP_NOSPACE;
|
|
p->trailspace = 0;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->maxrmargin;
|
|
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
free(title);
|
|
}
|
|
|
|
static void
|
|
print_man_head(struct termp *p, const void *arg)
|
|
{
|
|
const struct man_meta *meta;
|
|
const char *volume;
|
|
char *title;
|
|
size_t vollen, titlen;
|
|
|
|
meta = (const struct man_meta *)arg;
|
|
assert(meta->title);
|
|
assert(meta->msec);
|
|
|
|
volume = NULL == meta->vol ? "" : meta->vol;
|
|
vollen = term_strlen(p, volume);
|
|
|
|
/* Top left corner: manual title and section. */
|
|
|
|
mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
|
|
titlen = term_strlen(p, title);
|
|
|
|
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
|
|
p->trailspace = 1;
|
|
p->offset = 0;
|
|
p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
|
|
(p->maxrmargin - vollen + term_len(p, 1)) / 2 :
|
|
vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
|
|
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
|
|
/* At the top in the middle: manual volume. */
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
|
|
p->maxrmargin - titlen : p->maxrmargin;
|
|
|
|
term_word(p, volume);
|
|
term_flushln(p);
|
|
|
|
/* Top right corner: title and section, again. */
|
|
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->trailspace = 0;
|
|
if (p->rmargin + titlen <= p->maxrmargin) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->maxrmargin;
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
}
|
|
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
p->offset = 0;
|
|
p->rmargin = p->maxrmargin;
|
|
|
|
/*
|
|
* Groff prints three blank lines before the content.
|
|
* Do the same, except in the temporary, undocumented
|
|
* mode imitating mdoc(7) output.
|
|
*/
|
|
|
|
term_vspace(p);
|
|
if ( ! p->mdocstyle) {
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
}
|
|
free(title);
|
|
}
|