Make -T[x]html for tables structure cells with a width. I don't

anticipate doing much more than this for the coming release.

Also, remove "base" part of struct html (not used anywhere) and put some
comments in struct html.h.

2 files changed, 55 insertions, 10 deletions

diff --git a/html.h b/html.h
index e5d3b14e..5159092e 100644
--- a/html.h
+++ b/html.h
@@ -115,13 +115,13 @@ struct	html {
 #define	HTML_KEEP	 (1 << 2)
 #define	HTML_PREKEEP	 (1 << 3)
 #define	HTML_NONOSPACE	 (1 << 4)
-	struct tagq	  tags;
-	void		 *symtab;
-	char		 *base;
-	char		 *base_man;
-	char		 *base_includes;
-	char		 *style;
-	char		  buf[BUFSIZ];
+	struct tagq	  tags; /* stack of open tags */
+	struct rofftbl	  tbl; /* current table */
+	void		 *symtab; /* character-escapes */
+	char		 *base_man; /* base for manpage href */
+	char		 *base_includes; /* base for include href */
+	char		 *style; /* style-sheet URI */
+	char		  buf[BUFSIZ]; /* see bufcat and friends */
 	size_t		  buflen;
 	struct tag	 *metaf; /* current open font scope */
 	enum htmlfont	  metal; /* last used font */
@@ -129,8 +129,6 @@ struct	html {
 	enum htmltype	  type;
 };
 
-struct	roffsu;
-
 void		  print_gen_decls(struct html *);
 void		  print_gen_head(struct html *);
 struct tag	 *print_otag(struct html *, enum htmltag, 
diff --git a/tbl_html.c b/tbl_html.c
index e67fa862..24e93bf2 100644
--- a/tbl_html.c
+++ b/tbl_html.c
@@ -27,6 +27,25 @@
 #include "out.h"
 #include "html.h"
 
+static	size_t	 html_tbl_len(size_t, void *);
+static	size_t	 html_tbl_strlen(const char *, void *);
+
+/* ARGSUSED */
+static size_t
+html_tbl_len(size_t sz, void *arg)
+{
+	
+	return(sz);
+}
+
+/* ARGSUSED */
+static size_t
+html_tbl_strlen(const char *p, void *arg)
+{
+
+	return(strlen(p));
+}
+
 void
 print_tbl(struct html *h, const struct tbl_span *sp)
 {
@@ -34,6 +53,8 @@ print_tbl(struct html *h, const struct tbl_span *sp)
 	const struct tbl_dat *dp;
 	struct tag	*tt;
 	struct htmlpair	 tag;
+	struct roffsu	 su;
+	struct roffcol	*col;
 
 	switch (sp->pos) {
 	case (TBL_SPAN_HORIZ):
@@ -49,6 +70,14 @@ print_tbl(struct html *h, const struct tbl_span *sp)
 	h->flags |= HTML_NONOSPACE;
 	h->flags |= HTML_NOSPACE;
 
+	/* First pass: calculate widths. */
+
+	if (TBL_SPAN_FIRST & sp->flags) {
+		h->tbl.len = html_tbl_len;
+		h->tbl.slen = html_tbl_strlen;
+		tblcalc(&h->tbl, sp);
+	}
+
 	PAIR_CLASS_INIT(&tag, "tbl");
 
 	print_otag(h, TAG_TABLE, 1, &tag);
@@ -64,7 +93,17 @@ print_tbl(struct html *h, const struct tbl_span *sp)
 		case (TBL_HEAD_DATA):
 			break;
 		}
-		tt = print_otag(h, TAG_TD, 0, NULL);
+
+		/*
+		 * For the time being, use the simplest possible table
+		 * styling: setting the widths of data columns.
+		 */
+
+		col = &h->tbl.cols[hp->ident];
+		SCALE_HS_INIT(&su, col->width);
+		bufcat_su(h, "width", &su);
+		PAIR_STYLE_INIT(&tag, h);
+		tt = print_otag(h, TAG_TD, 1, &tag);
 		if (dp) {
 			if (dp->string)
 				print_text(h, dp->string);
@@ -73,4 +112,12 @@ print_tbl(struct html *h, const struct tbl_span *sp)
 		print_tagq(h, tt);
 	}
 	h->flags &= ~HTML_NONOSPACE;
+
+	/* Close out column specifiers on the last span. */
+
+	if (TBL_SPAN_LAST & sp->flags) {
+		assert(h->tbl.cols);
+		free(h->tbl.cols);
+		h->tbl.cols = NULL;
+	}
 }