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[mandoc.git] / man_html.c
diff --git a/man_html.c b/man_html.c
index 31015adbe4077e3634accf6b999b6ebf3efd00a7..c0a429c5d6c9e63c124a773ad9ac36c28ef816fa 100644 (file)
--- a/man_html.c
+++ b/man_html.c
@@ -1,22 +1,21 @@
-/*     $Id: man_html.c,v 1.58 2011/01/01 12:59:17 kristaps Exp $ */
+/*     $Id: man_html.c,v 1.174 2019/04/30 15:53:00 schwarze Exp $ */
 /*
 /*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2013-2015, 2017-2019 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
 #include "config.h"
-#endif
 
 #include <sys/types.h>
 
 
 #include <sys/types.h>
 
@@ -26,69 +25,59 @@
 #include <stdlib.h>
 #include <string.h>
 
 #include <stdlib.h>
 #include <string.h>
 
+#include "mandoc_aux.h"
 #include "mandoc.h"
 #include "mandoc.h"
+#include "roff.h"
+#include "man.h"
 #include "out.h"
 #include "html.h"
 #include "out.h"
 #include "html.h"
-#include "man.h"
 #include "main.h"
 
 #include "main.h"
 
-/* TODO: preserve ident widths. */
-/* FIXME: have PD set the default vspace width. */
-
-#define        INDENT            5
-#define        HALFINDENT        3
-
-#define        MAN_ARGS          const struct man_meta *m, \
-                         const struct man_node *n, \
-                         struct mhtml *mh, \
+#define        MAN_ARGS          const struct roff_meta *man, \
+                         const struct roff_node *n, \
                          struct html *h
 
                          struct html *h
 
-struct mhtml {
-       int               fl;
-#define        MANH_LITERAL     (1 << 0) /* literal context */
-};
-
-struct htmlman {
+struct man_html_act {
        int             (*pre)(MAN_ARGS);
        int             (*post)(MAN_ARGS);
 };
 
        int             (*pre)(MAN_ARGS);
        int             (*post)(MAN_ARGS);
 };
 
-static void              print_man(MAN_ARGS);
-static void              print_man_head(MAN_ARGS);
+static void              print_man_head(const struct roff_meta *,
+                               struct html *);
 static void              print_man_nodelist(MAN_ARGS);
 static void              print_man_node(MAN_ARGS);
 static void              print_man_nodelist(MAN_ARGS);
 static void              print_man_node(MAN_ARGS);
-
-static int               a2width(const struct man_node *,
-                               struct roffsu *);
-
-static int               man_alt_pre(MAN_ARGS);
-static int               man_br_pre(MAN_ARGS);
-static int               man_ign_pre(MAN_ARGS);
-static int               man_in_pre(MAN_ARGS);
-static int               man_literal_pre(MAN_ARGS);
-static void              man_root_post(MAN_ARGS);
-static int               man_root_pre(MAN_ARGS);
+static char              list_continues(const struct roff_node *,
+                               const struct roff_node *);
 static int               man_B_pre(MAN_ARGS);
 static int               man_B_pre(MAN_ARGS);
-static int               man_HP_pre(MAN_ARGS);
-static int               man_I_pre(MAN_ARGS);
 static int               man_IP_pre(MAN_ARGS);
 static int               man_IP_pre(MAN_ARGS);
+static int               man_I_pre(MAN_ARGS);
+static int               man_OP_pre(MAN_ARGS);
 static int               man_PP_pre(MAN_ARGS);
 static int               man_RS_pre(MAN_ARGS);
 static int               man_SH_pre(MAN_ARGS);
 static int               man_SM_pre(MAN_ARGS);
 static int               man_PP_pre(MAN_ARGS);
 static int               man_RS_pre(MAN_ARGS);
 static int               man_SH_pre(MAN_ARGS);
 static int               man_SM_pre(MAN_ARGS);
-static int               man_SS_pre(MAN_ARGS);
+static int               man_SY_pre(MAN_ARGS);
+static int               man_UR_pre(MAN_ARGS);
+static int               man_abort_pre(MAN_ARGS);
+static int               man_alt_pre(MAN_ARGS);
+static int               man_ign_pre(MAN_ARGS);
+static int               man_in_pre(MAN_ARGS);
+static void              man_root_post(const struct roff_meta *,
+                               struct html *);
+static void              man_root_pre(const struct roff_meta *,
+                               struct html *);
 
 
-static const struct htmlman mans[MAN_MAX] = {
-       { man_br_pre, NULL }, /* br */
+static const struct man_html_act man_html_acts[MAN_MAX - MAN_TH] = {
        { NULL, NULL }, /* TH */
        { man_SH_pre, NULL }, /* SH */
        { NULL, NULL }, /* TH */
        { man_SH_pre, NULL }, /* SH */
-       { man_SS_pre, NULL }, /* SS */
+       { man_SH_pre, NULL }, /* SS */
        { man_IP_pre, NULL }, /* TP */
        { man_IP_pre, NULL }, /* TP */
-       { man_PP_pre, NULL }, /* LP */
+       { man_IP_pre, NULL }, /* TQ */
+       { man_abort_pre, NULL }, /* LP */
        { man_PP_pre, NULL }, /* PP */
        { man_PP_pre, NULL }, /* PP */
-       { man_PP_pre, NULL }, /* P */
+       { man_abort_pre, NULL }, /* P */
        { man_IP_pre, NULL }, /* IP */
        { man_IP_pre, NULL }, /* IP */
-       { man_HP_pre, NULL }, /* HP */ 
+       { man_PP_pre, NULL }, /* HP */
        { man_SM_pre, NULL }, /* SM */
        { man_SM_pre, NULL }, /* SB */
        { man_alt_pre, NULL }, /* BI */
        { man_SM_pre, NULL }, /* SM */
        { man_SM_pre, NULL }, /* SB */
        { man_alt_pre, NULL }, /* BI */
@@ -100,10 +89,6 @@ static      const struct htmlman mans[MAN_MAX] = {
        { man_I_pre, NULL }, /* I */
        { man_alt_pre, NULL }, /* IR */
        { man_alt_pre, NULL }, /* RI */
        { man_I_pre, NULL }, /* I */
        { man_alt_pre, NULL }, /* IR */
        { man_alt_pre, NULL }, /* RI */
-       { NULL, NULL }, /* na */
-       { man_br_pre, NULL }, /* sp */
-       { man_literal_pre, NULL }, /* nf */
-       { man_literal_pre, NULL }, /* fi */
        { NULL, NULL }, /* RE */
        { man_RS_pre, NULL }, /* RS */
        { man_ign_pre, NULL }, /* DT */
        { NULL, NULL }, /* RE */
        { man_RS_pre, NULL }, /* RS */
        { man_ign_pre, NULL }, /* DT */
@@ -111,580 +96,548 @@ static   const struct htmlman mans[MAN_MAX] = {
        { man_ign_pre, NULL }, /* PD */
        { man_ign_pre, NULL }, /* AT */
        { man_in_pre, NULL }, /* in */
        { man_ign_pre, NULL }, /* PD */
        { man_ign_pre, NULL }, /* AT */
        { man_in_pre, NULL }, /* in */
-       { man_ign_pre, NULL }, /* ft */
+       { man_SY_pre, NULL }, /* SY */
+       { NULL, NULL }, /* YS */
+       { man_OP_pre, NULL }, /* OP */
+       { NULL, NULL }, /* EX */
+       { NULL, NULL }, /* EE */
+       { man_UR_pre, NULL }, /* UR */
+       { NULL, NULL }, /* UE */
+       { man_UR_pre, NULL }, /* MT */
+       { NULL, NULL }, /* ME */
 };
 
 
 void
 };
 
 
 void
-html_man(void *arg, const struct man *m)
+html_man(void *arg, const struct roff_meta *man)
 {
 {
-       struct html     *h;
-       struct tag      *t;
-       struct mhtml     mh;
+       struct html             *h;
+       struct roff_node        *n;
+       struct tag              *t;
 
        h = (struct html *)arg;
 
        h = (struct html *)arg;
+       n = man->first->child;
+
+       if ((h->oflags & HTML_FRAGMENT) == 0) {
+               print_gen_decls(h);
+               print_otag(h, TAG_HTML, "");
+               if (n != NULL && n->type == ROFFT_COMMENT)
+                       print_gen_comment(h, n);
+               t = print_otag(h, TAG_HEAD, "");
+               print_man_head(man, h);
+               print_tagq(h, t);
+               print_otag(h, TAG_BODY, "");
+       }
 
 
-       print_gen_decls(h);
-
-       memset(&mh, 0, sizeof(struct mhtml));
-
-       t = print_otag(h, TAG_HTML, 0, NULL);
-       print_man(man_meta(m), man_node(m), &mh, h);
-       print_tagq(h, t);
-
-       printf("\n");
-}
-
-
-static void
-print_man(MAN_ARGS) 
-{
-       struct tag      *t;
-
-       t = print_otag(h, TAG_HEAD, 0, NULL);
-       print_man_head(m, n, mh, h);
-       print_tagq(h, t);
-
-       t = print_otag(h, TAG_BODY, 0, NULL);
-       print_man_nodelist(m, n, mh, h);
+       man_root_pre(man, h);
+       t = print_otag(h, TAG_DIV, "c", "manual-text");
+       print_man_nodelist(man, n, h);
        print_tagq(h, t);
        print_tagq(h, t);
+       man_root_post(man, h);
+       print_tagq(h, NULL);
 }
 
 }
 
-
-/* ARGSUSED */
 static void
 static void
-print_man_head(MAN_ARGS)
+print_man_head(const struct roff_meta *man, struct html *h)
 {
 {
+       char    *cp;
 
        print_gen_head(h);
 
        print_gen_head(h);
-       bufinit(h);
-       buffmt(h, "%s(%s)", m->title, m->msec);
-
-       print_otag(h, TAG_TITLE, 0, NULL);
-       print_text(h, h->buf);
+       mandoc_asprintf(&cp, "%s(%s)", man->title, man->msec);
+       print_otag(h, TAG_TITLE, "");
+       print_text(h, cp);
+       free(cp);
 }
 
 }
 
-
 static void
 print_man_nodelist(MAN_ARGS)
 {
 static void
 print_man_nodelist(MAN_ARGS)
 {
-
-       print_man_node(m, n, mh, h);
-       if (n->next)
-               print_man_nodelist(m, n->next, mh, h);
+       while (n != NULL) {
+               print_man_node(man, n, h);
+               n = n->next;
+       }
 }
 
 }
 
-
 static void
 print_man_node(MAN_ARGS)
 {
 static void
 print_man_node(MAN_ARGS)
 {
-       int              child;
        struct tag      *t;
        struct tag      *t;
+       int              child;
 
 
-       child = 1;
-       t = h->tags.head;
-
-       bufinit(h);
+       if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
+               return;
 
 
-       /*
-        * FIXME: embedded elements within next-line scopes (e.g., `br'
-        * within an empty `B') will cause formatting to be forgotten
-        * due to scope closing out.
-        */
+       html_fillmode(h, n->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi);
 
 
+       child = 1;
        switch (n->type) {
        switch (n->type) {
-       case (MAN_ROOT):
-               child = man_root_pre(m, n, mh, h);
-               break;
-       case (MAN_TEXT):
+       case ROFFT_TEXT:
+               if (*n->string == '\0') {
+                       print_endline(h);
+                       return;
+               }
+               if (*n->string == ' ' && n->flags & NODE_LINE &&
+                   (h->flags & HTML_NONEWLINE) == 0)
+                       print_endline(h);
+               else if (n->flags & NODE_DELIMC)
+                       h->flags |= HTML_NOSPACE;
+               t = h->tag;
+               t->refcnt++;
                print_text(h, n->string);
                print_text(h, n->string);
-               if (MANH_LITERAL & mh->fl)
-                       print_otag(h, TAG_BR, 0, NULL);
-               return;
-       case (MAN_TBL):
+               break;
+       case ROFFT_EQN:
+               t = h->tag;
+               t->refcnt++;
+               print_eqn(h, n->eqn);
+               break;
+       case ROFFT_TBL:
+               /*
+                * This will take care of initialising all of the table
+                * state data for the first table, then tearing it down
+                * for the last one.
+                */
+               print_tbl(h, n->span);
                return;
        default:
                return;
        default:
-               /* 
+               /*
                 * Close out scope of font prior to opening a macro
                 * Close out scope of font prior to opening a macro
-                * scope.  Assert that the metafont is on the top of the
-                * stack (it's never nested).
+                * scope.
                 */
                 */
-               if (HTMLFONT_NONE != h->metac) {
+               if (h->metac != ESCAPE_FONTROMAN) {
                        h->metal = h->metac;
                        h->metal = h->metac;
-                       h->metac = HTMLFONT_NONE;
+                       h->metac = ESCAPE_FONTROMAN;
+               }
+
+               /*
+                * Close out the current table, if it's open, and unset
+                * the "meta" table state.  This will be reopened on the
+                * next table element.
+                */
+               if (h->tblt != NULL)
+                       print_tblclose(h);
+               t = h->tag;
+               t->refcnt++;
+               if (n->tok < ROFF_MAX) {
+                       roff_html_pre(h, n);
+                       t->refcnt--;
+                       print_stagq(h, t);
+                       return;
                }
                }
-               if (mans[n->tok].pre)
-                       child = (*mans[n->tok].pre)(m, n, mh, h);
+               assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
+               if (man_html_acts[n->tok - MAN_TH].pre != NULL)
+                       child = (*man_html_acts[n->tok - MAN_TH].pre)(man,
+                           n, h);
                break;
        }
 
                break;
        }
 
-       if (child && n->child)
-               print_man_nodelist(m, n->child, mh, h);
+       if (child && n->child != NULL)
+               print_man_nodelist(man, n->child, h);
 
        /* This will automatically close out any font scope. */
 
        /* This will automatically close out any font scope. */
-       print_stagq(h, t);
-
-       bufinit(h);
-
-       if (MAN_ROOT == n->type) 
-               man_root_post(m, n, mh, h);
-       else if (mans[n->tok].post)
-               (*mans[n->tok].post)(m, n, mh, h);
-}
-
-
-static int
-a2width(const struct man_node *n, struct roffsu *su)
-{
-
-       if (MAN_TEXT != n->type)
-               return(0);
-       if (a2roffsu(n->string, su, SCALE_BU))
-               return(1);
-
-       return(0);
+       t->refcnt--;
+       if (n->type == ROFFT_BLOCK &&
+           (n->tok == MAN_IP || n->tok == MAN_TP || n->tok == MAN_TQ)) {
+               t = h->tag;
+               while (t->tag != TAG_DL && t->tag != TAG_UL)
+                       t = t->next;
+               /*
+                * Close the list if no further item of the same type
+                * follows; otherwise, close the item only.
+                */
+               if (list_continues(n, n->next) == '\0') {
+                       print_tagq(h, t);
+                       t = NULL;
+               }
+       }
+       if (t != NULL)
+               print_stagq(h, t);
+
+       if (n->flags & NODE_NOFILL && n->tok != MAN_YS &&
+           (n->next != NULL && n->next->flags & NODE_LINE)) {
+               /* In .nf = <pre>, print even empty lines. */
+               h->col++;
+               print_endline(h);
+       }
 }
 
 }
 
-
-/* ARGSUSED */
-static int
-man_root_pre(MAN_ARGS)
+static void
+man_root_pre(const struct roff_meta *man, struct html *h)
 {
 {
-       struct htmlpair  tag[3];
        struct tag      *t, *tt;
        struct tag      *t, *tt;
-       char             b[BUFSIZ], title[BUFSIZ];
-
-       b[0] = 0;
-       if (m->vol)
-               (void)strlcat(b, m->vol, BUFSIZ);
-
-       snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
+       char            *title;
 
 
-       PAIR_SUMMARY_INIT(&tag[0], "Document Header");
-       PAIR_CLASS_INIT(&tag[1], "head");
-       if (NULL == h->style) {
-               PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
-               t = print_otag(h, TAG_TABLE, 3, tag);
-               PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
-               print_otag(h, TAG_COL, 1, tag);
-               print_otag(h, TAG_COL, 1, tag);
-               print_otag(h, TAG_COL, 1, tag);
-       } else
-               t = print_otag(h, TAG_TABLE, 2, tag);
+       assert(man->title);
+       assert(man->msec);
+       mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
 
 
-       print_otag(h, TAG_TBODY, 0, NULL);
-
-       tt = print_otag(h, TAG_TR, 0, NULL);
-
-       PAIR_CLASS_INIT(&tag[0], "head-ltitle");
-       print_otag(h, TAG_TD, 1, tag);
+       t = print_otag(h, TAG_TABLE, "c", "head");
+       tt = print_otag(h, TAG_TR, "");
 
 
+       print_otag(h, TAG_TD, "c", "head-ltitle");
        print_text(h, title);
        print_stagq(h, tt);
 
        print_text(h, title);
        print_stagq(h, tt);
 
-       PAIR_CLASS_INIT(&tag[0], "head-vol");
-       if (NULL == h->style) {
-               PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
-               print_otag(h, TAG_TD, 2, tag);
-       } else 
-               print_otag(h, TAG_TD, 1, tag);
-
-       print_text(h, b);
+       print_otag(h, TAG_TD, "c", "head-vol");
+       if (man->vol != NULL)
+               print_text(h, man->vol);
        print_stagq(h, tt);
 
        print_stagq(h, tt);
 
-       PAIR_CLASS_INIT(&tag[0], "head-rtitle");
-       if (NULL == h->style) {
-               PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
-               print_otag(h, TAG_TD, 2, tag);
-       } else 
-               print_otag(h, TAG_TD, 1, tag);
-
+       print_otag(h, TAG_TD, "c", "head-rtitle");
        print_text(h, title);
        print_tagq(h, t);
        print_text(h, title);
        print_tagq(h, t);
-       return(1);
+       free(title);
 }
 
 }
 
-
-/* ARGSUSED */
 static void
 static void
-man_root_post(MAN_ARGS)
+man_root_post(const struct roff_meta *man, struct html *h)
 {
 {
-       struct htmlpair  tag[3];
        struct tag      *t, *tt;
        struct tag      *t, *tt;
-       char             b[DATESIZ];
-
-       if (m->rawdate)
-               strlcpy(b, m->rawdate, DATESIZ);
-       else
-               time2a(m->date, b, DATESIZ);
-
-       PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
-       PAIR_CLASS_INIT(&tag[1], "foot");
-       if (NULL == h->style) {
-               PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
-               t = print_otag(h, TAG_TABLE, 3, tag);
-               PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
-               print_otag(h, TAG_COL, 1, tag);
-               print_otag(h, TAG_COL, 1, tag);
-       } else
-               t = print_otag(h, TAG_TABLE, 2, tag);
-
-       tt = print_otag(h, TAG_TR, 0, NULL);
-
-       PAIR_CLASS_INIT(&tag[0], "foot-date");
-       print_otag(h, TAG_TD, 1, tag);
-
-       print_text(h, b);
-       print_stagq(h, tt);
 
 
-       PAIR_CLASS_INIT(&tag[0], "foot-os");
-       if (NULL == h->style) {
-               PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
-               print_otag(h, TAG_TD, 2, tag);
-       } else 
-               print_otag(h, TAG_TD, 1, tag);
-
-       if (m->source)
-               print_text(h, m->source);
-       print_tagq(h, t);
-}
+       t = print_otag(h, TAG_TABLE, "c", "foot");
+       tt = print_otag(h, TAG_TR, "");
 
 
+       print_otag(h, TAG_TD, "c", "foot-date");
+       print_text(h, man->date);
+       print_stagq(h, tt);
 
 
-
-/* ARGSUSED */
-static int
-man_br_pre(MAN_ARGS)
-{
-       struct roffsu    su;
-       struct htmlpair  tag;
-
-       SCALE_VS_INIT(&su, 1);
-
-       if (MAN_sp == n->tok) {
-               if (n->child)
-                       a2roffsu(n->child->string, &su, SCALE_VS);
-       } else
-               su.scale = 0;
-
-       bufcat_su(h, "height", &su);
-       PAIR_STYLE_INIT(&tag, h);
-       print_otag(h, TAG_DIV, 1, &tag);
-
-       /* So the div isn't empty: */
-       print_text(h, "\\~");
-
-       return(0);
+       print_otag(h, TAG_TD, "c", "foot-os");
+       if (man->os != NULL)
+               print_text(h, man->os);
+       print_tagq(h, t);
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 man_SH_pre(MAN_ARGS)
 {
 static int
 man_SH_pre(MAN_ARGS)
 {
-       struct htmlpair  tag;
-
-       if (MAN_BLOCK == n->type) {
-               PAIR_CLASS_INIT(&tag, "section");
-               print_otag(h, TAG_DIV, 1, &tag);
-               return(1);
-       } else if (MAN_BODY == n->type)
-               return(1);
-
-       print_otag(h, TAG_H1, 0, NULL);
-       return(1);
+       const char      *class;
+       char            *id;
+       enum htmltag     tag;
+
+       if (n->tok == MAN_SH) {
+               tag = TAG_H1;
+               class = "Sh";
+       } else {
+               tag = TAG_H2;
+               class = "Ss";
+       }
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               print_otag(h, TAG_SECTION, "c", class);
+               break;
+       case ROFFT_HEAD:
+               id = html_make_id(n, 1);
+               print_otag(h, tag, "ci", class, id);
+               if (id != NULL)
+                       print_otag(h, TAG_A, "chR", "permalink", id);
+               break;
+       case ROFFT_BODY:
+               break;
+       default:
+               abort();
+       }
+       return 1;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 man_alt_pre(MAN_ARGS)
 {
 static int
 man_alt_pre(MAN_ARGS)
 {
-       const struct man_node   *nn;
+       const struct roff_node  *nn;
+       struct tag      *t;
        int              i;
        enum htmltag     fp;
        int              i;
        enum htmltag     fp;
-       struct tag      *t;
 
 
-       for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
-               t = NULL;
+       for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i++) {
                switch (n->tok) {
                switch (n->tok) {
-               case (MAN_BI):
+               case MAN_BI:
                        fp = i % 2 ? TAG_I : TAG_B;
                        break;
                        fp = i % 2 ? TAG_I : TAG_B;
                        break;
-               case (MAN_IB):
+               case MAN_IB:
                        fp = i % 2 ? TAG_B : TAG_I;
                        break;
                        fp = i % 2 ? TAG_B : TAG_I;
                        break;
-               case (MAN_RI):
+               case MAN_RI:
                        fp = i % 2 ? TAG_I : TAG_MAX;
                        break;
                        fp = i % 2 ? TAG_I : TAG_MAX;
                        break;
-               case (MAN_IR):
+               case MAN_IR:
                        fp = i % 2 ? TAG_MAX : TAG_I;
                        break;
                        fp = i % 2 ? TAG_MAX : TAG_I;
                        break;
-               case (MAN_BR):
+               case MAN_BR:
                        fp = i % 2 ? TAG_MAX : TAG_B;
                        break;
                        fp = i % 2 ? TAG_MAX : TAG_B;
                        break;
-               case (MAN_RB):
+               case MAN_RB:
                        fp = i % 2 ? TAG_B : TAG_MAX;
                        break;
                default:
                        abort();
                        fp = i % 2 ? TAG_B : TAG_MAX;
                        break;
                default:
                        abort();
-                       /* NOTREACHED */
                }
 
                if (i)
                        h->flags |= HTML_NOSPACE;
 
                }
 
                if (i)
                        h->flags |= HTML_NOSPACE;
 
-               if (TAG_MAX != fp)
-                       t = print_otag(h, fp, 0, NULL);
+               if (fp != TAG_MAX)
+                       t = print_otag(h, fp, "");
 
 
-               print_man_node(m, nn, mh, h);
+               print_text(h, nn->string);
 
 
-               if (t)
+               if (fp != TAG_MAX)
                        print_tagq(h, t);
        }
                        print_tagq(h, t);
        }
-
-       return(0);
+       return 0;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 man_SM_pre(MAN_ARGS)
 {
 static int
 man_SM_pre(MAN_ARGS)
 {
-       
-       print_otag(h, TAG_SMALL, 0, NULL);
-       if (MAN_SB == n->tok)
-               print_otag(h, TAG_B, 0, NULL);
-       return(1);
+       print_otag(h, TAG_SMALL, "");
+       if (n->tok == MAN_SB)
+               print_otag(h, TAG_B, "");
+       return 1;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 static int
-man_SS_pre(MAN_ARGS)
+man_PP_pre(MAN_ARGS)
 {
 {
-       struct htmlpair  tag;
-
-       if (MAN_BLOCK == n->type) {
-               PAIR_CLASS_INIT(&tag, "subsection");
-               print_otag(h, TAG_DIV, 1, &tag);
-               return(1);
-       } else if (MAN_BODY == n->type)
-               return(1);
-
-       print_otag(h, TAG_H2, 0, NULL);
-       return(1);
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               break;
+       case ROFFT_HEAD:
+               return 0;
+       case ROFFT_BODY:
+               if (n->child != NULL &&
+                   (n->child->flags & NODE_NOFILL) == 0)
+                       print_otag(h, TAG_P, "c",
+                           n->tok == MAN_PP ? "Pp" : "Pp HP");
+               break;
+       default:
+               abort();
+       }
+       return 1;
 }
 
 }
 
-
-/* ARGSUSED */
-static int
-man_PP_pre(MAN_ARGS)
+static char
+list_continues(const struct roff_node *n1, const struct roff_node *n2)
 {
 {
-
-       if (MAN_HEAD == n->type)
-               return(0);
-       else if (MAN_BODY == n->type && n->prev)
-               print_otag(h, TAG_P, 0, NULL);
-
-       return(1);
+       const char *s1, *s2;
+       char c1, c2;
+
+       if (n1 == NULL || n1->type != ROFFT_BLOCK ||
+           n2 == NULL || n2->type != ROFFT_BLOCK)
+               return '\0';
+       if ((n1->tok == MAN_TP || n1->tok == MAN_TQ) &&
+           (n2->tok == MAN_TP || n2->tok == MAN_TQ))
+               return ' ';
+       if (n1->tok != MAN_IP || n2->tok != MAN_IP)
+               return '\0';
+       n1 = n1->head->child;
+       n2 = n2->head->child;
+       s1 = n1 == NULL ? "" : n1->string;
+       s2 = n2 == NULL ? "" : n2->string;
+       c1 = strcmp(s1, "*") == 0 ? '*' :
+            strcmp(s1, "\\-") == 0 ? '-' :
+            strcmp(s1, "\\(bu") == 0 ? 'b' : ' ';
+       c2 = strcmp(s2, "*") == 0 ? '*' :
+            strcmp(s2, "\\-") == 0 ? '-' :
+            strcmp(s2, "\\(bu") == 0 ? 'b' : ' ';
+       return c1 != c2 ? '\0' : c1 == 'b' ? '*' : c1;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 man_IP_pre(MAN_ARGS)
 {
 static int
 man_IP_pre(MAN_ARGS)
 {
-       struct roffsu            su;
-       struct htmlpair          tag;
-       const struct man_node   *nn;
-       int                      width;
-
-       /*
-        * This scattering of 1-BU margins and pads is to make sure that
-        * when text overruns its box, the subsequent text isn't flush
-        * up against it.  However, the rest of the right-hand box must
-        * also be adjusted in consideration of this 1-BU space.
-        */
-
-       if (MAN_BODY == n->type) { 
-               print_otag(h, TAG_TD, 0, NULL);
-               return(1);
-       }
-
-       nn = MAN_BLOCK == n->type ? 
-               n->head->child : n->parent->head->child;
-
-       SCALE_HS_INIT(&su, INDENT);
-       width = 0;
-
-       /* Width is the last token. */
-
-       if (MAN_IP == n->tok && NULL != nn)
-               if (NULL != (nn = nn->next)) {
-                       for ( ; nn->next; nn = nn->next)
-                               /* Do nothing. */ ;
-                       width = a2width(nn, &su);
+       const struct roff_node  *nn;
+       const char              *list_class;
+       enum htmltag             list_elem, body_elem;
+       char                     list_type;
+
+       nn = n->type == ROFFT_BLOCK ? n : n->parent;
+       if ((list_type = list_continues(nn->prev, nn)) == '\0') {
+               /* Start a new list. */
+               if ((list_type = list_continues(nn, nn->next)) == '\0')
+                       list_type = ' ';
+               switch (list_type) {
+               case ' ':
+                       list_class = "Bl-tag";
+                       list_elem = TAG_DL;
+                       break;
+               case '*':
+                       list_class = "Bl-bullet";
+                       list_elem = TAG_UL;
+                       break;
+               case '-':
+                       list_class = "Bl-dash";
+                       list_elem = TAG_UL;
+                       break;
+               default:
+                       abort();
                }
                }
+       } else {
+               /* Continue a list that was started earlier. */
+               list_class = NULL;
+               list_elem = TAG_MAX;
+       }
+       body_elem = list_type == ' ' ? TAG_DD : TAG_LI;
 
 
-       /* Width is the first token. */
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               if (list_elem != TAG_MAX)
+                       print_otag(h, list_elem, "c", list_class);
+               return 1;
+       case ROFFT_HEAD:
+               if (body_elem == TAG_LI)
+                       return 0;
+               print_otag(h, TAG_DT, "");
+               break;
+       case ROFFT_BODY:
+               print_otag(h, body_elem, "");
+               return 1;
+       default:
+               abort();
+       }
 
 
-       if (MAN_TP == n->tok && NULL != nn) {
-               /* Skip past non-text children. */
-               while (nn && MAN_TEXT != nn->type)
+       switch(n->tok) {
+       case MAN_IP:  /* Only print the first header element. */
+               if (n->child != NULL)
+                       print_man_node(man, n->child, h);
+               break;
+       case MAN_TP:  /* Only print next-line header elements. */
+       case MAN_TQ:
+               nn = n->child;
+               while (nn != NULL && (NODE_LINE & nn->flags) == 0)
+                       nn = nn->next;
+               while (nn != NULL) {
+                       print_man_node(man, nn, h);
                        nn = nn->next;
                        nn = nn->next;
-               if (nn)
-                       width = a2width(nn, &su);
+               }
+               break;
+       default:
+               abort();
        }
        }
-
-       if (MAN_BLOCK == n->type) {
-               print_otag(h, TAG_P, 0, NULL);
-               print_otag(h, TAG_TABLE, 0, NULL);
-               bufcat_su(h, "width", &su);
-               PAIR_STYLE_INIT(&tag, h);
-               print_otag(h, TAG_COL, 1, &tag);
-               print_otag(h, TAG_COL, 0, NULL);
-               print_otag(h, TAG_TBODY, 0, NULL);
-               print_otag(h, TAG_TR, 0, NULL);
-               return(1);
-       } 
-
-       print_otag(h, TAG_TD, 0, NULL);
-
-       /*
-        * Without a length string, we can print all of our children.
-        */
-
-       if ( ! width)
-               return(1);
-
-       /*
-        * When a length has been specified, we need to carefully print
-        * our child context:  IP gets all children printed but the last
-        * (the width), while TP gets all children printed but the first
-        * (the width).
-        */
-
-       if (MAN_IP == n->tok)
-               for (nn = n->child; nn->next; nn = nn->next)
-                       print_man_node(m, nn, mh, h);
-       if (MAN_TP == n->tok)
-               for (nn = n->child->next; nn; nn = nn->next)
-                       print_man_node(m, nn, mh, h);
-
-       return(0);
+       return 0;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 static int
-man_HP_pre(MAN_ARGS)
+man_OP_pre(MAN_ARGS)
 {
 {
-       struct htmlpair  tag;
-       struct roffsu    su;
-       const struct man_node *np;
-
-       np = MAN_BLOCK == n->type ? 
-               n->head->child : 
-               n->parent->head->child;
-
-       if (NULL == np || ! a2width(np, &su))
-               SCALE_HS_INIT(&su, INDENT);
-
-       if (MAN_HEAD == n->type) {
-               print_otag(h, TAG_TD, 0, NULL);
-               return(0);
-       } else if (MAN_BLOCK == n->type) {
-               print_otag(h, TAG_P, 0, NULL);
-               print_otag(h, TAG_TABLE, 0, NULL);
-               bufcat_su(h, "width", &su);
-               PAIR_STYLE_INIT(&tag, h);
-               print_otag(h, TAG_COL, 1, &tag);
-               print_otag(h, TAG_COL, 0, NULL);
-               print_otag(h, TAG_TBODY, 0, NULL);
-               print_otag(h, TAG_TR, 0, NULL);
-               return(1);
+       struct tag      *tt;
+
+       print_text(h, "[");
+       h->flags |= HTML_NOSPACE;
+       tt = print_otag(h, TAG_SPAN, "c", "Op");
+
+       if ((n = n->child) != NULL) {
+               print_otag(h, TAG_B, "");
+               print_text(h, n->string);
        }
 
        }
 
-       su.scale = -su.scale;
-       bufcat_su(h, "text-indent", &su);
-       PAIR_STYLE_INIT(&tag, h);
-       print_otag(h, TAG_TD, 1, &tag);
-       return(1);
-}
+       print_stagq(h, tt);
 
 
+       if (n != NULL && n->next != NULL) {
+               print_otag(h, TAG_I, "");
+               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)
 {
 static int
 man_B_pre(MAN_ARGS)
 {
-
-       print_otag(h, TAG_B, 0, NULL);
-       return(1);
+       print_otag(h, TAG_B, "");
+       return 1;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 man_I_pre(MAN_ARGS)
 {
 static int
 man_I_pre(MAN_ARGS)
 {
-       
-       print_otag(h, TAG_I, 0, NULL);
-       return(1);
+       print_otag(h, TAG_I, "");
+       return 1;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 static int
-man_literal_pre(MAN_ARGS)
+man_in_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(1);
+       print_otag(h, TAG_BR, "");
+       return 0;
 }
 
 }
 
-
-/* ARGSUSED */
 static int
 static int
-man_in_pre(MAN_ARGS)
+man_ign_pre(MAN_ARGS)
 {
 {
+       return 0;
+}
 
 
-       print_otag(h, TAG_BR, 0, NULL);
-       return(0);
+static int
+man_RS_pre(MAN_ARGS)
+{
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               break;
+       case ROFFT_HEAD:
+               return 0;
+       case ROFFT_BODY:
+               print_otag(h, TAG_DIV, "c", "Bd-indent");
+               break;
+       default:
+               abort();
+       }
+       return 1;
 }
 
 }
 
+static int
+man_SY_pre(MAN_ARGS)
+{
+       switch (n->type) {
+       case ROFFT_BLOCK:
+               html_close_paragraph(h);
+               print_otag(h, TAG_TABLE, "c", "Nm");
+               print_otag(h, TAG_TR, "");
+               break;
+       case ROFFT_HEAD:
+               print_otag(h, TAG_TD, "");
+               print_otag(h, TAG_CODE, "c", "Nm");
+               break;
+       case ROFFT_BODY:
+               print_otag(h, TAG_TD, "");
+               break;
+       default:
+               abort();
+       }
+       return 1;
+}
 
 
-/* ARGSUSED */
 static int
 static int
-man_ign_pre(MAN_ARGS)
+man_UR_pre(MAN_ARGS)
 {
 {
+       char *cp;
+
+       n = n->child;
+       assert(n->type == ROFFT_HEAD);
+       if (n->child != NULL) {
+               assert(n->child->type == ROFFT_TEXT);
+               if (n->tok == MAN_MT) {
+                       mandoc_asprintf(&cp, "mailto:%s", n->child->string);
+                       print_otag(h, TAG_A, "ch", "Mt", cp);
+                       free(cp);
+               } else
+                       print_otag(h, TAG_A, "ch", "Lk", n->child->string);
+       }
 
 
-       return(0);
-}
+       assert(n->next->type == ROFFT_BODY);
+       if (n->next->child != NULL)
+               n = n->next;
 
 
+       print_man_nodelist(man, n->child, h);
+       return 0;
+}
 
 
-/* ARGSUSED */
 static int
 static int
-man_RS_pre(MAN_ARGS)
+man_abort_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);
-
-       bufcat_su(h, "margin-left", &su);
-       PAIR_STYLE_INIT(&tag, h);
-       print_otag(h, TAG_DIV, 1, &tag);
-       return(1);
+       abort();
 }
 }
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