===================================================================
RCS file: /cvs/mandoc/html.c,v
retrieving revision 1.54
retrieving revision 1.63
diff -u -p -r1.54 -r1.63
--- mandoc/html.c	2009/10/03 15:26:26	1.54
+++ mandoc/html.c	2009/10/13 10:21:24	1.63
@@ -1,4 +1,4 @@
-/*	$Id: html.c,v 1.54 2009/10/03 15:26:26 kristaps Exp $ */
+/*	$Id: html.c,v 1.63 2009/10/13 10:21:24 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -20,18 +20,23 @@
 #include <assert.h>
 #include <err.h>
 #include <stdio.h>
+#include <stdarg.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
+#include "out.h"
 #include "chars.h"
 #include "html.h"
 
+#define	UNCONST(a)	((void *)(uintptr_t)(const void *)(a))
+
 #define	DOCTYPE		"-//W3C//DTD HTML 4.01//EN"
 #define	DTD		"http://www.w3.org/TR/html4/strict.dtd"
 
 struct	htmldata {
-	char		 *name;
+	const char	 *name;
 	int		  flags;
 #define	HTML_CLRLINE	 (1 << 0)
 #define	HTML_NOSTACK	 (1 << 1)
@@ -74,6 +79,7 @@ static	const char	 *const htmlattrs[ATTR_MAX] = {
 	"width",
 	"valign",
 	"target",
+	"id",
 };
 
 #ifdef __linux__
@@ -84,7 +90,8 @@ void *
 html_alloc(char *outopts)
 {
 	struct html	*h;
-	char		*toks[4], *v;
+	const char	*toks[4];
+	char		*v;
 
 	toks[0] = "style";
 	toks[1] = "man";
@@ -103,7 +110,7 @@ html_alloc(char *outopts)
 	}
 
 	while (outopts && *outopts)
-		switch (getsubopt(&outopts, toks, &v)) {
+		switch (getsubopt(&outopts, UNCONST(toks), &v)) {
 		case (0):
 			h->style = v;
 			break;
@@ -142,8 +149,6 @@ html_free(void *p)
 		free(tag);
 	}
 	
-	if (h->buf)
-		free(h->buf);
 	if (h->symtab)
 		chars_free(h->symtab);
 
@@ -486,4 +491,161 @@ print_stagq(struct html *h, const struct tag *suntil)
 		SLIST_REMOVE_HEAD(&h->tags, entry);
 		free(tag);
 	}
+}
+
+
+void
+bufinit(struct html *h)
+{
+
+	h->buf[0] = '\0';
+	h->buflen = 0;
+}
+
+
+void
+bufcat_style(struct html *h, const char *key, const char *val)
+{
+
+	bufcat(h, key);
+	bufncat(h, ":", 1);
+	bufcat(h, val);
+	bufncat(h, ";", 1);
+}
+
+
+void
+bufcat(struct html *h, const char *p)
+{
+
+	bufncat(h, p, strlen(p));
+}
+
+
+void
+buffmt(struct html *h, const char *fmt, ...)
+{
+	va_list		 ap;
+
+	va_start(ap, fmt);
+	(void)vsnprintf(h->buf + (int)h->buflen, 
+			BUFSIZ - h->buflen - 1, fmt, ap);
+	va_end(ap);
+	h->buflen = strlen(h->buf);
+}
+
+
+void
+bufncat(struct html *h, const char *p, size_t sz)
+{
+
+	if (h->buflen + sz > BUFSIZ - 1)
+		sz = BUFSIZ - 1 - h->buflen;
+
+	(void)strncat(h->buf, p, sz);
+	h->buflen += sz;
+}
+
+
+void
+buffmt_includes(struct html *h, const char *name)
+{
+	const char	*p, *pp;
+
+	pp = h->base_includes;
+	
+	while (NULL != (p = strchr(pp, '%'))) {
+		bufncat(h, pp, (size_t)(p - pp));
+		switch (*(p + 1)) {
+		case('I'):
+			bufcat(h, name);
+			break;
+		default:
+			bufncat(h, p, 2);
+			break;
+		}
+		pp = p + 2;
+	}
+	if (pp)
+		bufcat(h, pp);
+}
+
+
+void
+buffmt_man(struct html *h, 
+		const char *name, const char *sec)
+{
+	const char	*p, *pp;
+
+	pp = h->base_man;
+	
+	/* LINTED */
+	while (NULL != (p = strchr(pp, '%'))) {
+		bufncat(h, pp, (size_t)(p - pp));
+		switch (*(p + 1)) {
+		case('S'):
+			bufcat(h, sec ? sec : "1");
+			break;
+		case('N'):
+			buffmt(h, name);
+			break;
+		default:
+			bufncat(h, p, 2);
+			break;
+		}
+		pp = p + 2;
+	}
+	if (pp)
+		bufcat(h, pp);
+}
+
+
+void
+bufcat_su(struct html *h, const char *p, const struct roffsu *su)
+{
+	double		 v;
+	const char	*u;
+
+	v = su->scale;
+
+	switch (su->unit) {
+	case (SCALE_CM):
+		u = "cm";
+		break;
+	case (SCALE_IN):
+		u = "in";
+		break;
+	case (SCALE_PC):
+		u = "pc";
+		break;
+	case (SCALE_PT):
+		u = "pt";
+		break;
+	case (SCALE_EM):
+		u = "em";
+		break;
+	case (SCALE_MM):
+		if (0 == (v /= 100))
+			v = 1;
+		u = "em";
+		break;
+	case (SCALE_EN):
+		u = "ex";
+		break;
+	case (SCALE_BU):
+		u = "ex";
+		break;
+	case (SCALE_VS):
+		u = "em";
+		break;
+	default:
+		u = "ex";
+		break;
+	}
+
+	if (su->pt)
+		buffmt(h, "%s: %f%s;", p, v, u);
+	else
+		/* LINTED */
+		buffmt(h, "%s: %d%s;", p, (int)v, u);
 }