+
+
+static void
+print_man_nodelist(MAN_ARGS)
+{
+
+ print_man_node(m, n, h);
+ if (n->next)
+ print_man_nodelist(m, n->next, h);
+}
+
+
+static void
+print_man_node(MAN_ARGS)
+{
+ int child;
+ struct tag *t;
+
+ child = 1;
+ t = h->tags.head;
+
+ bufinit(h);
+
+ /*
+ * 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.
+ */
+
+ switch (n->type) {
+ case (MAN_ROOT):
+ child = man_root_pre(m, n, h);
+ break;
+ case (MAN_TEXT):
+ print_text(h, n->string);
+ return;
+ default:
+ /*
+ * 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).
+ */
+ if (h->metaf) {
+ assert(h->metaf == t);
+ print_tagq(h, h->metaf);
+ assert(NULL == h->metaf);
+ t = h->tags.head;
+ }
+ if (mans[n->tok].pre)
+ child = (*mans[n->tok].pre)(m, n, h);
+ break;
+ }
+
+ if (child && n->child)
+ print_man_nodelist(m, n->child, h);
+
+ /* This will automatically close out any font scope. */
+ print_stagq(h, t);
+
+ bufinit(h);
+
+ switch (n->type) {
+ case (MAN_ROOT):
+ man_root_post(m, n, h);
+ break;
+ case (MAN_TEXT):
+ break;
+ default:
+ if (mans[n->tok].post)
+ (*mans[n->tok].post)(m, n, h);
+ break;
+ }
+}
+
+
+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);
+}
+
+
+/* ARGSUSED */
+static int
+man_root_pre(MAN_ARGS)
+{
+ struct htmlpair tag[3];
+ 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);
+
+ PAIR_CLASS_INIT(&tag[0], "header");
+ bufcat_style(h, "width", "100%");
+ PAIR_STYLE_INIT(&tag[1], h);
+ PAIR_SUMMARY_INIT(&tag[2], "header");
+
+ t = print_otag(h, TAG_TABLE, 3, tag);
+ tt = print_otag(h, TAG_TR, 0, NULL);
+
+ bufinit(h);
+ bufcat_style(h, "width", "10%");
+ PAIR_STYLE_INIT(&tag[0], h);
+ print_otag(h, TAG_TD, 1, tag);
+ print_text(h, title);
+ print_stagq(h, tt);
+
+ bufinit(h);
+ bufcat_style(h, "width", "80%");
+ bufcat_style(h, "white-space", "nowrap");
+ bufcat_style(h, "text-align", "center");
+ PAIR_STYLE_INIT(&tag[0], h);
+ print_otag(h, TAG_TD, 1, tag);
+ print_text(h, b);
+ print_stagq(h, tt);
+
+ bufinit(h);
+ bufcat_style(h, "width", "10%");
+ bufcat_style(h, "text-align", "right");
+ PAIR_STYLE_INIT(&tag[0], h);
+ print_otag(h, TAG_TD, 1, tag);
+ print_text(h, title);
+ print_tagq(h, t);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static void
+man_root_post(MAN_ARGS)
+{
+ struct htmlpair tag[3];
+ struct tag *t, *tt;
+ char b[DATESIZ];
+
+ if (m->rawdate)
+ strlcpy(b, m->rawdate, DATESIZ);
+ else
+ time2a(m->date, b, DATESIZ);
+
+ PAIR_CLASS_INIT(&tag[0], "footer");
+ bufcat_style(h, "width", "100%");
+ PAIR_STYLE_INIT(&tag[1], h);
+ PAIR_SUMMARY_INIT(&tag[2], "footer");
+
+ t = print_otag(h, TAG_TABLE, 3, tag);
+ tt = print_otag(h, TAG_TR, 0, NULL);
+
+ bufinit(h);
+ bufcat_style(h, "width", "50%");
+ PAIR_STYLE_INIT(&tag[0], h);
+ print_otag(h, TAG_TD, 1, tag);
+ print_text(h, b);
+ print_stagq(h, tt);
+
+ bufinit(h);
+ bufcat_style(h, "width", "50%");
+ bufcat_style(h, "text-align", "right");
+ PAIR_STYLE_INIT(&tag[0], h);
+ print_otag(h, TAG_TD, 1, tag);
+ if (m->source)
+ print_text(h, m->source);
+ print_tagq(h, t);
+}
+
+
+
+/* ARGSUSED */
+static int
+man_br_pre(MAN_ARGS)
+{
+ struct roffsu su;
+ struct htmlpair tag;
+
+ SCALE_VS_INIT(&su, 1);
+
+ switch (n->tok) {
+ case (MAN_Sp):
+ SCALE_VS_INIT(&su, 0.5);
+ break;
+ case (MAN_sp):
+ if (n->child)
+ a2roffsu(n->child->string, &su, SCALE_VS);
+ break;
+ default:
+ su.scale = 0;
+ break;
+ }
+
+ 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);
+}
+
+
+/* ARGSUSED */
+static int
+man_SH_pre(MAN_ARGS)
+{
+ struct htmlpair tag[2];
+ struct roffsu su;
+
+ if (MAN_BODY == n->type) {
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ PAIR_CLASS_INIT(&tag[0], "sec-body");
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
+ } else if (MAN_BLOCK == n->type) {
+ PAIR_CLASS_INIT(&tag[0], "sec-block");
+ if (n->prev && MAN_SH == n->prev->tok)
+ if (NULL == n->prev->body->child) {
+ print_otag(h, TAG_DIV, 1, tag);
+ return(1);
+ }
+
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
+ if (NULL == n->next)
+ bufcat_su(h, "margin-bottom", &su);
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
+ }
+
+ PAIR_CLASS_INIT(&tag[0], "sec-head");
+ print_otag(h, TAG_DIV, 1, tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_alt_pre(MAN_ARGS)
+{
+ const struct man_node *nn;
+ struct tag *t;
+ int i;
+ enum htmlfont fp;
+
+ for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
+ switch (n->tok) {
+ case (MAN_BI):
+ fp = i % 2 ? HTMLFONT_ITALIC : HTMLFONT_BOLD;
+ break;
+ case (MAN_IB):
+ fp = i % 2 ? HTMLFONT_BOLD : HTMLFONT_ITALIC;
+ break;
+ case (MAN_RI):
+ fp = i % 2 ? HTMLFONT_ITALIC : HTMLFONT_NONE;
+ break;
+ case (MAN_IR):
+ fp = i % 2 ? HTMLFONT_NONE : HTMLFONT_ITALIC;
+ break;
+ case (MAN_BR):
+ fp = i % 2 ? HTMLFONT_NONE : HTMLFONT_BOLD;
+ break;
+ case (MAN_RB):
+ fp = i % 2 ? HTMLFONT_BOLD : HTMLFONT_NONE;
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
+
+ if (i)
+ h->flags |= HTML_NOSPACE;
+
+ /*
+ * Open and close the scope with each argument, so that
+ * internal \f escapes, which are common, are also
+ * closed out with the scope.
+ */
+ t = print_ofont(h, fp);
+ print_man_node(m, nn, h);
+ print_tagq(h, t);
+ }
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+man_SB_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+
+ /* FIXME: print_ofont(). */
+ PAIR_CLASS_INIT(&tag, "small bold");
+ print_otag(h, TAG_SPAN, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_SM_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+
+ PAIR_CLASS_INIT(&tag, "small");
+ print_otag(h, TAG_SPAN, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_SS_pre(MAN_ARGS)
+{
+ struct htmlpair tag[3];
+ struct roffsu su;
+
+ SCALE_VS_INIT(&su, 1);
+
+ if (MAN_BODY == n->type) {
+ PAIR_CLASS_INIT(&tag[0], "ssec-body");
+ if (n->parent->next && n->child) {
+ bufcat_su(h, "margin-bottom", &su);
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
+ }
+
+ print_otag(h, TAG_DIV, 1, tag);
+ return(1);
+ } else if (MAN_BLOCK == n->type) {
+ PAIR_CLASS_INIT(&tag[0], "ssec-block");
+ if (n->prev && MAN_SS == n->prev->tok)
+ if (n->prev->body->child) {
+ bufcat_su(h, "margin-top", &su);
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
+ }
+
+ print_otag(h, TAG_DIV, 1, tag);
+ return(1);
+ }
+
+ SCALE_HS_INIT(&su, INDENT - HALFINDENT);
+ bufcat_su(h, "margin-left", &su);
+ PAIR_CLASS_INIT(&tag[0], "ssec-head");
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_PP_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+ struct roffsu su;
+ int i;
+
+ if (MAN_BLOCK != n->type)
+ return(1);
+
+ i = 0;
+
+ if (MAN_ROOT == n->parent->type) {
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ i = 1;
+ }
+ if (n->prev) {
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
+ i = 1;
+ }
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, i, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+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) {
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ 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);
+ }
+
+ /* Width is the first token. */
+
+ if (MAN_TP == n->tok && NULL != nn) {
+ /* Skip past non-text children. */
+ while (nn && MAN_TEXT != nn->type)
+ nn = nn->next;
+ if (nn)
+ width = a2width(nn, &su);
+ }
+
+ if (MAN_BLOCK == n->type) {
+ bufcat_su(h, "margin-left", &su);
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
+ bufcat_style(h, "clear", "both");
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+ }
+
+ bufcat_su(h, "min-width", &su);
+ SCALE_INVERT(&su);
+ bufcat_su(h, "margin-left", &su);
+ SCALE_HS_INIT(&su, 1);
+ bufcat_su(h, "margin-right", &su);
+ bufcat_style(h, "clear", "left");
+
+ if (n->next && n->next->child)
+ bufcat_style(h, "float", "left");
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+
+ /*
+ * 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, h);
+ if (MAN_TP == n->tok)
+ for (nn = n->child->next; nn; nn = nn->next)
+ print_man_node(m, nn, h);
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+man_HP_pre(MAN_ARGS)
+{
+ const struct man_node *nn;
+ struct htmlpair tag;
+ struct roffsu su;
+
+ if (MAN_HEAD == n->type)
+ return(0);
+
+ nn = MAN_BLOCK == n->type ?
+ n->head->child : n->parent->head->child;
+
+ SCALE_HS_INIT(&su, INDENT);
+
+ if (NULL != nn)
+ (void)a2width(nn, &su);
+
+ if (MAN_BLOCK == n->type) {
+ bufcat_su(h, "margin-left", &su);
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
+ bufcat_style(h, "clear", "both");
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+ }
+
+ bufcat_su(h, "margin-left", &su);
+ SCALE_INVERT(&su);
+ bufcat_su(h, "text-indent", &su);
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_B_pre(MAN_ARGS)
+{
+
+ print_ofont(h, HTMLFONT_BOLD);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_I_pre(MAN_ARGS)
+{
+
+ print_ofont(h, HTMLFONT_ITALIC);
+ return(1);
+}
+
+
+/* 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);
+ bufcat_su(h, "margin-left", &su);
+
+ if (n->head->child) {
+ SCALE_VS_INIT(&su, 1);
+ a2width(n->head->child, &su);
+ bufcat_su(h, "margin-top", &su);
+ }
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+}