689 lines
14 KiB
C
689 lines
14 KiB
C
/* $Vendor-Id: man_html.c,v 1.86 2012/01/03 15:16:24 kristaps Exp $ */
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/*
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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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 "html.h"
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#include "man.h"
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#include "main.h"
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/* TODO: preserve ident widths. */
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/* FIXME: have PD set the default vspace width. */
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#define INDENT 5
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#define MAN_ARGS const struct man_meta *m, \
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const struct man_node *n, \
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struct mhtml *mh, \
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struct html *h
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struct mhtml {
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int fl;
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#define MANH_LITERAL (1 << 0) /* literal context */
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};
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struct htmlman {
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int (*pre)(MAN_ARGS);
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int (*post)(MAN_ARGS);
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};
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static void print_bvspace(struct html *,
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const struct man_node *);
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static void print_man(MAN_ARGS);
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static void print_man_head(MAN_ARGS);
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static void print_man_nodelist(MAN_ARGS);
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static void print_man_node(MAN_ARGS);
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static int a2width(const struct man_node *,
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struct roffsu *);
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static int man_B_pre(MAN_ARGS);
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static int man_HP_pre(MAN_ARGS);
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static int man_IP_pre(MAN_ARGS);
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static int man_I_pre(MAN_ARGS);
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static int man_OP_pre(MAN_ARGS);
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static int man_PP_pre(MAN_ARGS);
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static int man_RS_pre(MAN_ARGS);
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static int man_SH_pre(MAN_ARGS);
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static int man_SM_pre(MAN_ARGS);
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static int man_SS_pre(MAN_ARGS);
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static int man_alt_pre(MAN_ARGS);
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static int man_br_pre(MAN_ARGS);
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static int man_ign_pre(MAN_ARGS);
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static int man_in_pre(MAN_ARGS);
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static int man_literal_pre(MAN_ARGS);
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static void man_root_post(MAN_ARGS);
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static void man_root_pre(MAN_ARGS);
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static const struct htmlman mans[MAN_MAX] = {
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{ man_br_pre, NULL }, /* br */
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{ NULL, NULL }, /* TH */
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{ man_SH_pre, NULL }, /* SH */
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{ man_SS_pre, NULL }, /* SS */
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{ man_IP_pre, NULL }, /* TP */
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{ man_PP_pre, NULL }, /* LP */
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{ man_PP_pre, NULL }, /* PP */
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{ man_PP_pre, NULL }, /* P */
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{ man_IP_pre, NULL }, /* IP */
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{ man_HP_pre, NULL }, /* HP */
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{ man_SM_pre, NULL }, /* SM */
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{ man_SM_pre, NULL }, /* SB */
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{ man_alt_pre, NULL }, /* BI */
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{ man_alt_pre, NULL }, /* IB */
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{ man_alt_pre, NULL }, /* BR */
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{ man_alt_pre, NULL }, /* RB */
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{ NULL, NULL }, /* R */
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{ man_B_pre, NULL }, /* B */
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{ man_I_pre, NULL }, /* I */
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{ man_alt_pre, NULL }, /* IR */
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{ man_alt_pre, NULL }, /* RI */
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{ man_ign_pre, NULL }, /* na */
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{ man_br_pre, NULL }, /* sp */
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{ man_literal_pre, NULL }, /* nf */
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{ man_literal_pre, NULL }, /* fi */
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{ NULL, NULL }, /* RE */
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{ man_RS_pre, NULL }, /* RS */
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{ man_ign_pre, NULL }, /* DT */
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{ man_ign_pre, NULL }, /* UC */
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{ man_ign_pre, NULL }, /* PD */
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{ man_ign_pre, NULL }, /* AT */
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{ man_in_pre, NULL }, /* in */
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{ man_ign_pre, NULL }, /* ft */
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{ man_OP_pre, NULL }, /* OP */
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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 html *h, const struct man_node *n)
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{
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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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print_otag(h, TAG_P, 0, NULL);
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}
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void
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html_man(void *arg, const struct man *m)
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{
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struct mhtml mh;
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memset(&mh, 0, sizeof(struct mhtml));
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print_man(man_meta(m), man_node(m), &mh, (struct html *)arg);
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putchar('\n');
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}
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static void
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print_man(MAN_ARGS)
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{
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struct tag *t, *tt;
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struct htmlpair tag;
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PAIR_CLASS_INIT(&tag, "mandoc");
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if ( ! (HTML_FRAGMENT & h->oflags)) {
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print_gen_decls(h);
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t = print_otag(h, TAG_HTML, 0, NULL);
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tt = print_otag(h, TAG_HEAD, 0, NULL);
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print_man_head(m, n, mh, h);
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print_tagq(h, tt);
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print_otag(h, TAG_BODY, 0, NULL);
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print_otag(h, TAG_DIV, 1, &tag);
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} else
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t = print_otag(h, TAG_DIV, 1, &tag);
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print_man_nodelist(m, n, mh, h);
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print_tagq(h, t);
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}
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/* ARGSUSED */
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static void
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print_man_head(MAN_ARGS)
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{
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print_gen_head(h);
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assert(m->title);
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assert(m->msec);
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bufcat_fmt(h, "%s(%s)", m->title, m->msec);
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print_otag(h, TAG_TITLE, 0, NULL);
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print_text(h, h->buf);
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}
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static void
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print_man_nodelist(MAN_ARGS)
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{
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print_man_node(m, n, mh, h);
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if (n->next)
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print_man_nodelist(m, n->next, mh, h);
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}
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static void
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print_man_node(MAN_ARGS)
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{
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int child;
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struct tag *t;
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child = 1;
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t = h->tags.head;
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switch (n->type) {
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case (MAN_ROOT):
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man_root_pre(m, n, mh, h);
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break;
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case (MAN_TEXT):
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/*
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* If we have a blank line, output a vertical space.
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* If we have a space as the first character, break
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* before printing the line's data.
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*/
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if ('\0' == *n->string) {
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print_otag(h, TAG_P, 0, NULL);
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return;
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}
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if (' ' == *n->string && MAN_LINE & n->flags)
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print_otag(h, TAG_BR, 0, NULL);
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else if (MANH_LITERAL & mh->fl && n->prev)
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print_otag(h, TAG_BR, 0, NULL);
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print_text(h, n->string);
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return;
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case (MAN_EQN):
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print_eqn(h, n->eqn);
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break;
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case (MAN_TBL):
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/*
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* This will take care of initialising all of the table
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* state data for the first table, then tearing it down
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* for the last one.
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*/
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print_tbl(h, n->span);
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return;
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default:
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/*
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* Close out scope of font prior to opening a macro
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* scope.
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*/
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if (HTMLFONT_NONE != h->metac) {
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h->metal = h->metac;
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h->metac = HTMLFONT_NONE;
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}
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/*
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* Close out the current table, if it's open, and unset
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* the "meta" table state. This will be reopened on the
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* next table element.
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*/
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if (h->tblt) {
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print_tblclose(h);
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t = h->tags.head;
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}
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if (mans[n->tok].pre)
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child = (*mans[n->tok].pre)(m, n, mh, h);
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break;
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}
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if (child && n->child)
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print_man_nodelist(m, n->child, mh, h);
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/* This will automatically close out any font scope. */
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print_stagq(h, t);
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switch (n->type) {
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case (MAN_ROOT):
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man_root_post(m, n, mh, h);
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break;
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case (MAN_EQN):
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break;
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default:
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if (mans[n->tok].post)
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(*mans[n->tok].post)(m, n, mh, h);
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break;
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}
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}
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static int
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a2width(const struct man_node *n, struct roffsu *su)
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{
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if (MAN_TEXT != n->type)
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return(0);
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if (a2roffsu(n->string, su, SCALE_BU))
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return(1);
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return(0);
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}
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/* ARGSUSED */
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static void
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man_root_pre(MAN_ARGS)
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{
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struct htmlpair tag[3];
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struct tag *t, *tt;
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char b[BUFSIZ], title[BUFSIZ];
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b[0] = 0;
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if (m->vol)
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(void)strlcat(b, m->vol, BUFSIZ);
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assert(m->title);
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assert(m->msec);
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snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
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PAIR_SUMMARY_INIT(&tag[0], "Document Header");
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PAIR_CLASS_INIT(&tag[1], "head");
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PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
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t = print_otag(h, TAG_TABLE, 3, tag);
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PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
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print_otag(h, TAG_COL, 1, tag);
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print_otag(h, TAG_COL, 1, tag);
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print_otag(h, TAG_COL, 1, tag);
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print_otag(h, TAG_TBODY, 0, NULL);
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tt = print_otag(h, TAG_TR, 0, NULL);
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PAIR_CLASS_INIT(&tag[0], "head-ltitle");
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print_otag(h, TAG_TD, 1, tag);
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print_text(h, title);
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print_stagq(h, tt);
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PAIR_CLASS_INIT(&tag[0], "head-vol");
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PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
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print_otag(h, TAG_TD, 2, tag);
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print_text(h, b);
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print_stagq(h, tt);
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PAIR_CLASS_INIT(&tag[0], "head-rtitle");
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PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
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print_otag(h, TAG_TD, 2, tag);
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print_text(h, title);
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print_tagq(h, t);
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}
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/* ARGSUSED */
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static void
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man_root_post(MAN_ARGS)
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{
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struct htmlpair tag[3];
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struct tag *t, *tt;
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PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
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PAIR_CLASS_INIT(&tag[1], "foot");
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PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
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t = print_otag(h, TAG_TABLE, 3, tag);
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PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
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print_otag(h, TAG_COL, 1, tag);
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print_otag(h, TAG_COL, 1, tag);
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tt = print_otag(h, TAG_TR, 0, NULL);
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PAIR_CLASS_INIT(&tag[0], "foot-date");
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print_otag(h, TAG_TD, 1, tag);
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assert(m->date);
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print_text(h, m->date);
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print_stagq(h, tt);
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PAIR_CLASS_INIT(&tag[0], "foot-os");
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PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
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print_otag(h, TAG_TD, 2, tag);
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if (m->source)
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print_text(h, m->source);
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print_tagq(h, t);
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}
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/* ARGSUSED */
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static int
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man_br_pre(MAN_ARGS)
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{
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struct roffsu su;
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struct htmlpair tag;
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SCALE_VS_INIT(&su, 1);
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if (MAN_sp == n->tok) {
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if (NULL != (n = n->child))
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if ( ! a2roffsu(n->string, &su, SCALE_VS))
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SCALE_VS_INIT(&su, atoi(n->string));
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} else
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su.scale = 0;
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bufinit(h);
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bufcat_su(h, "height", &su);
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PAIR_STYLE_INIT(&tag, h);
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print_otag(h, TAG_DIV, 1, &tag);
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/* So the div isn't empty: */
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print_text(h, "\\~");
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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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man_SH_pre(MAN_ARGS)
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{
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struct htmlpair tag;
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if (MAN_BLOCK == n->type) {
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mh->fl &= ~MANH_LITERAL;
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PAIR_CLASS_INIT(&tag, "section");
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print_otag(h, TAG_DIV, 1, &tag);
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return(1);
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} else if (MAN_BODY == n->type)
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return(1);
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print_otag(h, TAG_H1, 0, NULL);
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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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man_alt_pre(MAN_ARGS)
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{
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const struct man_node *nn;
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int i, savelit;
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enum htmltag fp;
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struct tag *t;
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if ((savelit = mh->fl & MANH_LITERAL))
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print_otag(h, TAG_BR, 0, NULL);
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mh->fl &= ~MANH_LITERAL;
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for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
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t = NULL;
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switch (n->tok) {
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case (MAN_BI):
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fp = i % 2 ? TAG_I : TAG_B;
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break;
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case (MAN_IB):
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fp = i % 2 ? TAG_B : TAG_I;
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break;
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case (MAN_RI):
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fp = i % 2 ? TAG_I : TAG_MAX;
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break;
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case (MAN_IR):
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fp = i % 2 ? TAG_MAX : TAG_I;
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break;
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case (MAN_BR):
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fp = i % 2 ? TAG_MAX : TAG_B;
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break;
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case (MAN_RB):
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fp = i % 2 ? TAG_B : TAG_MAX;
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break;
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default:
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abort();
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/* NOTREACHED */
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}
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if (i)
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h->flags |= HTML_NOSPACE;
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if (TAG_MAX != fp)
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t = print_otag(h, fp, 0, NULL);
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print_man_node(m, nn, mh, h);
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if (t)
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print_tagq(h, t);
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}
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if (savelit)
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mh->fl |= MANH_LITERAL;
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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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man_SM_pre(MAN_ARGS)
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{
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print_otag(h, TAG_SMALL, 0, NULL);
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if (MAN_SB == n->tok)
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print_otag(h, TAG_B, 0, NULL);
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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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man_SS_pre(MAN_ARGS)
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{
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struct htmlpair tag;
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if (MAN_BLOCK == n->type) {
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mh->fl &= ~MANH_LITERAL;
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PAIR_CLASS_INIT(&tag, "subsection");
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print_otag(h, TAG_DIV, 1, &tag);
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return(1);
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} else if (MAN_BODY == n->type)
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return(1);
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print_otag(h, TAG_H2, 0, NULL);
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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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man_PP_pre(MAN_ARGS)
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{
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if (MAN_HEAD == n->type)
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return(0);
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else if (MAN_BLOCK == n->type)
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print_bvspace(h, n);
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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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man_IP_pre(MAN_ARGS)
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{
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const struct man_node *nn;
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if (MAN_BODY == n->type) {
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print_otag(h, TAG_DD, 0, NULL);
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return(1);
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} else if (MAN_HEAD != n->type) {
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print_otag(h, TAG_DL, 0, NULL);
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return(1);
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}
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/* FIXME: width specification. */
|
|
|
|
print_otag(h, TAG_DT, 0, NULL);
|
|
|
|
/* For IP, only print the first header element. */
|
|
|
|
if (MAN_IP == n->tok && n->child)
|
|
print_man_node(m, n->child, mh, h);
|
|
|
|
/* For TP, only print next-line header elements. */
|
|
|
|
if (MAN_TP == n->tok)
|
|
for (nn = n->child; nn; nn = nn->next)
|
|
if (nn->line > n->line)
|
|
print_man_node(m, nn, mh, h);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_HP_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
struct roffsu su;
|
|
const struct man_node *np;
|
|
|
|
if (MAN_HEAD == n->type)
|
|
return(0);
|
|
else if (MAN_BLOCK != n->type)
|
|
return(1);
|
|
|
|
np = n->head->child;
|
|
|
|
if (NULL == np || ! a2width(np, &su))
|
|
SCALE_HS_INIT(&su, INDENT);
|
|
|
|
bufinit(h);
|
|
|
|
print_bvspace(h, n);
|
|
bufcat_su(h, "margin-left", &su);
|
|
su.scale = -su.scale;
|
|
bufcat_su(h, "text-indent", &su);
|
|
PAIR_STYLE_INIT(&tag, h);
|
|
print_otag(h, TAG_P, 1, &tag);
|
|
return(1);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_OP_pre(MAN_ARGS)
|
|
{
|
|
struct tag *tt;
|
|
struct htmlpair tag;
|
|
|
|
print_text(h, "[");
|
|
h->flags |= HTML_NOSPACE;
|
|
PAIR_CLASS_INIT(&tag, "opt");
|
|
tt = print_otag(h, TAG_SPAN, 1, &tag);
|
|
|
|
if (NULL != (n = n->child)) {
|
|
print_otag(h, TAG_B, 0, NULL);
|
|
print_text(h, n->string);
|
|
}
|
|
|
|
print_stagq(h, tt);
|
|
|
|
if (NULL != n && NULL != n->next) {
|
|
print_otag(h, TAG_I, 0, NULL);
|
|
print_text(h, n->next->string);
|
|
}
|
|
|
|
print_stagq(h, tt);
|
|
h->flags |= HTML_NOSPACE;
|
|
print_text(h, "]");
|
|
return(0);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_B_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_B, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_I_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_I, 0, NULL);
|
|
return(1);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_literal_pre(MAN_ARGS)
|
|
{
|
|
|
|
if (MAN_nf != n->tok) {
|
|
print_otag(h, TAG_BR, 0, NULL);
|
|
mh->fl &= ~MANH_LITERAL;
|
|
} else
|
|
mh->fl |= MANH_LITERAL;
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_in_pre(MAN_ARGS)
|
|
{
|
|
|
|
print_otag(h, TAG_BR, 0, NULL);
|
|
return(0);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_ign_pre(MAN_ARGS)
|
|
{
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
man_RS_pre(MAN_ARGS)
|
|
{
|
|
struct htmlpair tag;
|
|
struct roffsu su;
|
|
|
|
if (MAN_HEAD == n->type)
|
|
return(0);
|
|
else if (MAN_BODY == n->type)
|
|
return(1);
|
|
|
|
SCALE_HS_INIT(&su, INDENT);
|
|
if (n->head->child)
|
|
a2width(n->head->child, &su);
|
|
|
|
bufinit(h);
|
|
bufcat_su(h, "margin-left", &su);
|
|
PAIR_STYLE_INIT(&tag, h);
|
|
print_otag(h, TAG_DIV, 1, &tag);
|
|
return(1);
|
|
}
|