1211 lines
23 KiB
C
1211 lines
23 KiB
C
/* $Id: man_term.c,v 1.139 2013/12/22 23:34:13 schwarze 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, 2011, 2012, 2013 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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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 "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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size_t lmargin[MAXMARGINS]; /* margins (incl. visible 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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const 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 int a2width(const struct termp *, const char *);
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static size_t a2height(const struct termp *, const char *);
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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_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_ign, NULL, MAN_NOTEXT }, /* na */
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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, 0 }, /* 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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};
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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_node *n;
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const struct man_meta *meta;
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struct mtermp mt;
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p = (struct termp *)arg;
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if (0 == p->defindent)
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p->defindent = 7;
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p->overstep = 0;
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p->maxrmargin = p->defrmargin;
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p->tabwidth = term_len(p, 5);
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if (NULL == p->symtab)
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p->symtab = mchars_alloc();
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n = man_node(man);
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meta = man_meta(man);
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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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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 (n->child)
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print_man_nodelist(p, &mt, n->child, meta);
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term_end(p);
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}
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static size_t
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a2height(const struct termp *p, const char *cp)
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{
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struct roffsu su;
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if ( ! a2roffsu(cp, &su, SCALE_VS))
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SCALE_VS_INIT(&su, atoi(cp));
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return(term_vspan(p, &su));
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}
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static int
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a2width(const struct termp *p, const char *cp)
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{
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struct roffsu su;
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if ( ! a2roffsu(cp, &su, SCALE_BU))
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return(-1);
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return((int)term_hspan(p, &su));
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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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/* ARGSUSED */
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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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/* ARGSUSED */
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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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/* ARGSUSED */
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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;
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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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/* ARGSUSED */
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static int
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pre_PD(DECL_ARGS)
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{
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n = n->child;
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if (0 == n) {
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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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mt->pardist = atoi(n->string);
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return(0);
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}
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/* ARGSUSED */
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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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const 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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/* ARGSUSED */
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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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/* ARGSUSED */
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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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/* ARGSUSED */
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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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/* ARGSUSED */
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static int
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pre_in(DECL_ARGS)
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{
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int len, less;
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size_t v;
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const char *cp;
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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 ((len = a2width(p, ++cp)) < 0)
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return(0);
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v = (size_t)len;
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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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/* Don't let this creep beyond the right margin. */
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if (p->offset > p->rmargin)
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p->offset = p->rmargin;
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_sp(DECL_ARGS)
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{
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char *s;
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size_t i, len;
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int neg;
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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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neg = 0;
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switch (n->tok) {
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case (MAN_br):
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len = 0;
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break;
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default:
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if (NULL == n->child) {
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len = 1;
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break;
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}
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s = n->child->string;
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if ('-' == *s) {
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neg = 1;
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s++;
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}
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len = a2height(p, s);
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break;
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}
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if (0 == len)
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term_newln(p);
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else if (neg)
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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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/* ARGSUSED */
|
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static int
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pre_HP(DECL_ARGS)
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{
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size_t len, one;
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int ival;
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const struct man_node *nn;
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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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|
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if ( ! (MANT_LITERAL & mt->fl)) {
|
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p->flags |= TERMP_NOBREAK;
|
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p->trailspace = 2;
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}
|
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|
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len = mt->lmargin[mt->lmargincur];
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ival = -1;
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|
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/* Calculate offset. */
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|
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if (NULL != (nn = n->parent->head->child))
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if ((ival = a2width(p, nn->string)) >= 0)
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len = (size_t)ival;
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one = term_len(p, 1);
|
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if (len < one)
|
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len = one;
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|
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p->offset = mt->offset;
|
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p->rmargin = mt->offset + len;
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|
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if (ival >= 0)
|
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mt->lmargin[mt->lmargincur] = (size_t)ival;
|
|
|
|
return(1);
|
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}
|
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|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
post_HP(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_BODY):
|
|
term_newln(p);
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->trailspace = 0;
|
|
p->offset = mt->offset;
|
|
p->rmargin = p->maxrmargin;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_PP(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
|
|
print_bvspace(p, n, mt->pardist);
|
|
break;
|
|
default:
|
|
p->offset = mt->offset;
|
|
break;
|
|
}
|
|
|
|
return(MAN_HEAD != n->type);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_IP(DECL_ARGS)
|
|
{
|
|
const struct man_node *nn;
|
|
size_t len;
|
|
int savelit, ival;
|
|
|
|
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);
|
|
}
|
|
|
|
len = mt->lmargin[mt->lmargincur];
|
|
ival = -1;
|
|
|
|
/* Calculate the offset from the optional second argument. */
|
|
if (NULL != (nn = n->parent->head->child))
|
|
if (NULL != (nn = nn->next))
|
|
if ((ival = a2width(p, nn->string)) >= 0)
|
|
len = (size_t)ival;
|
|
|
|
switch (n->type) {
|
|
case (MAN_HEAD):
|
|
/* Handle zero-width lengths. */
|
|
if (0 == len)
|
|
len = term_len(p, 1);
|
|
|
|
p->offset = mt->offset;
|
|
p->rmargin = mt->offset + len;
|
|
if (ival < 0)
|
|
break;
|
|
|
|
/* Set the saved left-margin. */
|
|
mt->lmargin[mt->lmargincur] = (size_t)ival;
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
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;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_TP(DECL_ARGS)
|
|
{
|
|
const struct man_node *nn;
|
|
size_t len;
|
|
int savelit, ival;
|
|
|
|
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);
|
|
}
|
|
|
|
len = (size_t)mt->lmargin[mt->lmargincur];
|
|
ival = -1;
|
|
|
|
/* Calculate offset. */
|
|
|
|
if (NULL != (nn = n->parent->head->child))
|
|
if (nn->string && nn->parent->line == nn->line)
|
|
if ((ival = a2width(p, nn->string)) >= 0)
|
|
len = (size_t)ival;
|
|
|
|
switch (n->type) {
|
|
case (MAN_HEAD):
|
|
/* Handle zero-length properly. */
|
|
if (0 == len)
|
|
len = term_len(p, 1);
|
|
|
|
p->offset = mt->offset;
|
|
p->rmargin = mt->offset + len;
|
|
|
|
savelit = MANT_LITERAL & mt->fl;
|
|
mt->fl &= ~MANT_LITERAL;
|
|
|
|
/* Don't print same-line elements. */
|
|
for (nn = n->child; nn; nn = nn->next)
|
|
if (nn->line > n->line)
|
|
print_man_node(p, mt, nn, meta);
|
|
|
|
if (savelit)
|
|
mt->fl |= MANT_LITERAL;
|
|
if (ival >= 0)
|
|
mt->lmargin[mt->lmargincur] = (size_t)ival;
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
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;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
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);
|
|
/* If following a prior empty `SS', no vspace. */
|
|
if (n->prev && MAN_SS == n->prev->tok)
|
|
if (NULL == n->prev->body->child)
|
|
break;
|
|
if (NULL == n->prev)
|
|
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);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
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;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
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);
|
|
/* If following a prior empty `SH', no vspace. */
|
|
if (n->prev && MAN_SH == n->prev->tok)
|
|
if (NULL == n->prev->body->child)
|
|
break;
|
|
/* If the first macro, no vspae. */
|
|
if (NULL == n->prev)
|
|
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);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
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;
|
|
}
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_RS(DECL_ARGS)
|
|
{
|
|
int ival;
|
|
size_t sz;
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
term_newln(p);
|
|
return(1);
|
|
case (MAN_HEAD):
|
|
return(0);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
sz = term_len(p, p->defindent);
|
|
|
|
if (NULL != (n = n->parent->head->child))
|
|
if ((ival = a2width(p, n->string)) >= 0)
|
|
sz = (size_t)ival;
|
|
|
|
mt->offset += sz;
|
|
p->rmargin = p->maxrmargin;
|
|
p->offset = mt->offset < p->rmargin ? mt->offset : p->rmargin;
|
|
|
|
if (++mt->lmarginsz < MAXMARGINS)
|
|
mt->lmargincur = mt->lmarginsz;
|
|
|
|
mt->lmargin[mt->lmargincur] = mt->lmargin[mt->lmargincur - 1];
|
|
return(1);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
post_RS(DECL_ARGS)
|
|
{
|
|
int ival;
|
|
size_t sz;
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
return;
|
|
case (MAN_HEAD):
|
|
return;
|
|
default:
|
|
term_newln(p);
|
|
break;
|
|
}
|
|
|
|
sz = term_len(p, p->defindent);
|
|
|
|
if (NULL != (n = n->parent->head->child))
|
|
if ((ival = a2width(p, n->string)) >= 0)
|
|
sz = (size_t)ival;
|
|
|
|
mt->offset = mt->offset < sz ? 0 : mt->offset - sz;
|
|
p->offset = mt->offset;
|
|
|
|
if (--mt->lmarginsz < MAXMARGINS)
|
|
mt->lmargincur = mt->lmarginsz;
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_UR(DECL_ARGS)
|
|
{
|
|
|
|
return (MAN_HEAD != n->type);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
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):
|
|
term_eqn(p, n->eqn);
|
|
return;
|
|
case (MAN_TBL):
|
|
/*
|
|
* Tables are preceded by a newline. Then process a
|
|
* table line, which will cause line termination,
|
|
*/
|
|
if (TBL_SPAN_FIRST & n->span->flags)
|
|
term_newln(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 (MANT_LITERAL & mt->fl && ! (TERMP_NOBREAK & p->flags) &&
|
|
(NULL == n->next || n->next->line > n->line)) {
|
|
rm = p->rmargin;
|
|
rmax = p->maxrmargin;
|
|
p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
|
|
p->flags |= TERMP_NOSPACE;
|
|
if (NULL != n->string && '\0' != *n->string)
|
|
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)
|
|
{
|
|
|
|
print_man_node(p, mt, n, meta);
|
|
if ( ! n->next)
|
|
return;
|
|
print_man_nodelist(p, mt, n->next, meta);
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_foot(struct termp *p, const void *arg)
|
|
{
|
|
char title[BUFSIZ];
|
|
size_t datelen;
|
|
const struct man_meta *meta;
|
|
|
|
meta = (const struct man_meta *)arg;
|
|
assert(meta->title);
|
|
assert(meta->msec);
|
|
assert(meta->date);
|
|
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
|
|
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) {
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
|
|
} else if (meta->source) {
|
|
strlcpy(title, meta->source, BUFSIZ);
|
|
} else {
|
|
title[0] = '\0';
|
|
}
|
|
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 + term_len(p, 1)) / 2;
|
|
|
|
if (meta->source)
|
|
term_word(p, meta->source);
|
|
term_flushln(p);
|
|
|
|
/* At the bottom in the middle: manual date. */
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->maxrmargin - term_strlen(p, title);
|
|
if (p->offset + datelen >= p->rmargin)
|
|
p->rmargin = p->offset + datelen;
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_head(struct termp *p, const void *arg)
|
|
{
|
|
char buf[BUFSIZ], title[BUFSIZ];
|
|
size_t buflen, titlen;
|
|
const struct man_meta *meta;
|
|
|
|
meta = (const struct man_meta *)arg;
|
|
assert(meta->title);
|
|
assert(meta->msec);
|
|
|
|
if (meta->vol)
|
|
strlcpy(buf, meta->vol, BUFSIZ);
|
|
else
|
|
buf[0] = '\0';
|
|
buflen = term_strlen(p, buf);
|
|
|
|
/* Top left corner: manual title and section. */
|
|
|
|
snprintf(title, BUFSIZ, "%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) + buflen < p->maxrmargin ?
|
|
(p->maxrmargin -
|
|
term_strlen(p, buf) + term_len(p, 1)) / 2 :
|
|
p->maxrmargin - buflen;
|
|
|
|
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 + buflen + titlen < p->maxrmargin ?
|
|
p->maxrmargin - titlen : p->maxrmargin;
|
|
|
|
term_word(p, buf);
|
|
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);
|
|
}
|
|
}
|