===================================================================
RCS file: /cvs/mandoc/Attic/mdoc_action.c,v
retrieving revision 1.65
retrieving revision 1.81
diff -u -p -r1.65 -r1.81
--- mandoc/Attic/mdoc_action.c	2010/06/03 13:44:36	1.65
+++ mandoc/Attic/mdoc_action.c	2010/11/29 13:51:03	1.81
@@ -1,6 +1,6 @@
-/*	$Id: mdoc_action.c,v 1.65 2010/06/03 13:44:36 kristaps Exp $ */
+/*	$Id: mdoc_action.c,v 1.81 2010/11/29 13:51:03 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -32,6 +32,11 @@
 #include "libmdoc.h"
 #include "libmandoc.h"
 
+/* 
+ * FIXME: this file is deprecated.  All future "actions" should be
+ * pushed into mdoc_validate.c.
+ */
+
 #define	POST_ARGS struct mdoc *m, struct mdoc_node *n
 #define	PRE_ARGS  struct mdoc *m, struct mdoc_node *n
 
@@ -45,9 +50,7 @@ struct	actions {
 
 static	int	  concat(struct mdoc *, char *,
 			const struct mdoc_node *, size_t);
-static	inline int order_rs(enum mdoct);
 
-static	int	  post_ar(POST_ARGS);
 static	int	  post_at(POST_ARGS);
 static	int	  post_bl(POST_ARGS);
 static	int	  post_bl_head(POST_ARGS);
@@ -57,39 +60,34 @@ static	int	  post_dd(POST_ARGS);
 static	int	  post_display(POST_ARGS);
 static	int	  post_dt(POST_ARGS);
 static	int	  post_lb(POST_ARGS);
-static	int	  post_li(POST_ARGS);
 static	int	  post_nm(POST_ARGS);
 static	int	  post_os(POST_ARGS);
 static	int	  post_pa(POST_ARGS);
 static	int	  post_prol(POST_ARGS);
-static	int	  post_rs(POST_ARGS);
-static	int	  post_sh(POST_ARGS);
 static	int	  post_st(POST_ARGS);
 static	int	  post_std(POST_ARGS);
 
 static	int	  pre_bd(PRE_ARGS);
-static	int	  pre_bl(PRE_ARGS);
 static	int	  pre_dl(PRE_ARGS);
-static	int	  pre_offset(PRE_ARGS);
 
 static	const struct actions mdoc_actions[MDOC_MAX] = {
 	{ NULL, NULL }, /* Ap */
 	{ NULL, post_dd }, /* Dd */ 
 	{ NULL, post_dt }, /* Dt */ 
 	{ NULL, post_os }, /* Os */ 
-	{ NULL, post_sh }, /* Sh */ 
+	{ NULL, NULL }, /* Sh */ 
 	{ NULL, NULL }, /* Ss */ 
 	{ NULL, NULL }, /* Pp */ 
 	{ NULL, NULL }, /* D1 */
 	{ pre_dl, post_display }, /* Dl */
 	{ pre_bd, post_display }, /* Bd */ 
 	{ NULL, NULL }, /* Ed */
-	{ pre_bl, post_bl }, /* Bl */ 
+	{ NULL, post_bl }, /* Bl */ 
 	{ NULL, NULL }, /* El */
 	{ NULL, NULL }, /* It */
 	{ NULL, NULL }, /* Ad */ 
 	{ NULL, NULL }, /* An */
-	{ NULL, post_ar }, /* Ar */
+	{ NULL, NULL }, /* Ar */
 	{ NULL, NULL }, /* Cd */
 	{ NULL, NULL }, /* Cm */
 	{ NULL, NULL }, /* Dv */ 
@@ -103,7 +101,7 @@ static	const struct actions mdoc_actions[MDOC_MAX] = {
 	{ NULL, NULL }, /* Ft */ 
 	{ NULL, NULL }, /* Ic */ 
 	{ NULL, NULL }, /* In */ 
-	{ NULL, post_li }, /* Li */
+	{ NULL, NULL }, /* Li */
 	{ NULL, NULL }, /* Nd */ 
 	{ NULL, post_nm }, /* Nm */ 
 	{ NULL, NULL }, /* Op */
@@ -158,7 +156,7 @@ static	const struct actions mdoc_actions[MDOC_MAX] = {
 	{ NULL, NULL }, /* Qo */
 	{ NULL, NULL }, /* Qq */
 	{ NULL, NULL }, /* Re */
-	{ NULL, post_rs }, /* Rs */
+	{ NULL, NULL }, /* Rs */
 	{ NULL, NULL }, /* Sc */
 	{ NULL, NULL }, /* So */
 	{ NULL, NULL }, /* Sq */
@@ -430,52 +428,6 @@ post_at(POST_ARGS)
 
 
 /*
- * Mark the current section.  The ``named'' section (lastnamed) is set
- * whenever the current section isn't a custom section--we use this to
- * keep track of section ordering.  Also check that the section is
- * allowed within the document's manual section.
- */
-static int
-post_sh(POST_ARGS)
-{
-	enum mdoc_sec	 sec;
-	char		 buf[BUFSIZ];
-
-	if (MDOC_HEAD != n->type)
-		return(1);
-
-	if ( ! concat(m, buf, n->child, BUFSIZ))
-		return(0);
-	sec = mdoc_str2sec(buf);
-	/*
-	 * The first section should always make us move into a non-new
-	 * state.
-	 */
-	if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec)
-		m->lastnamed = sec;
-
-	/* Some sections only live in certain manual sections. */
-
-	switch ((m->lastsec = sec)) {
-	case (SEC_RETURN_VALUES):
-		/* FALLTHROUGH */
-	case (SEC_ERRORS):
-		assert(m->meta.msec);
-		if (*m->meta.msec == '2')
-			break;
-		if (*m->meta.msec == '3')
-			break;
-		if (*m->meta.msec == '9')
-			break;
-		return(mdoc_nmsg(m, n, MANDOCERR_SECMSEC));
-	default:
-		break;
-	}
-	return(1);
-}
-
-
-/*
  * Parse out the contents of `Dt'.  See in-line documentation for how we
  * handle the various fields of this macro.
  */
@@ -633,33 +585,41 @@ static int
 post_bl_tagwidth(POST_ARGS)
 {
 	struct mdoc_node *nn;
-	size_t		  sz;
+	size_t		  sz, ssz;
 	int		  i;
 	char		  buf[NUMSIZ];
 
-	/* Defaults to ten ens. */
+	sz = 10;
 
-	sz = 10; /* XXX: make this a macro value. */
-
 	for (nn = n->body->child; nn; nn = nn->next) {
-		if (MDOC_It == nn->tok)
-			break;
-	}
+		if (MDOC_It != nn->tok)
+			continue;
 
-	if (nn) {
 		assert(MDOC_BLOCK == nn->type);
 		nn = nn->head->child;
-		if (MDOC_TEXT != nn->type) {
-			sz = mdoc_macro2len(nn->tok);
-			if (sz == 0) {
-				if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
-					return(0);
-				sz = 10;
-			}
-		} else
+
+		if (nn == NULL) {
+			/* No -width for .Bl and first .It is emtpy */
+			if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
+				return(0);
+			break;
+		}
+
+		if (MDOC_TEXT == nn->type) {
 			sz = strlen(nn->string) + 1;
+			break;
+		}
+
+		if (0 != (ssz = mdoc_macro2len(nn->tok)))
+			sz = ssz;
+		else if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
+			return(0);
+
+		break;
 	} 
 
+	/* Defaults to ten ens. */
+
 	snprintf(buf, NUMSIZ, "%zun", sz);
 
 	/*
@@ -667,19 +627,21 @@ post_bl_tagwidth(POST_ARGS)
 	 * We're guaranteed that a MDOC_Width doesn't already exist.
 	 */
 
-	nn = n;
-	assert(nn->args);
-	i = (int)(nn->args->argc)++;
+	assert(n->args);
+	i = (int)(n->args->argc)++;
 
-	nn->args->argv = mandoc_realloc(nn->args->argv, 
-			nn->args->argc * sizeof(struct mdoc_argv));
+	n->args->argv = mandoc_realloc(n->args->argv, 
+			n->args->argc * sizeof(struct mdoc_argv));
 
-	nn->args->argv[i].arg = MDOC_Width;
-	nn->args->argv[i].line = n->line;
-	nn->args->argv[i].pos = n->pos;
-	nn->args->argv[i].sz = 1;
-	nn->args->argv[i].value = mandoc_malloc(sizeof(char *));
-	nn->args->argv[i].value[0] = mandoc_strdup(buf);
+	n->args->argv[i].arg = MDOC_Width;
+	n->args->argv[i].line = n->line;
+	n->args->argv[i].pos = n->pos;
+	n->args->argv[i].sz = 1;
+	n->args->argv[i].value = mandoc_malloc(sizeof(char *));
+	n->args->argv[i].value[0] = mandoc_strdup(buf);
+
+	/* Set our width! */
+	n->data.Bl->width = n->args->argv[i].value[0];
 	return(1);
 }
 
@@ -696,36 +658,35 @@ post_bl_width(POST_ARGS)
 	int		  i;
 	enum mdoct	  tok;
 	char		  buf[NUMSIZ];
-	char		 *p;
 
-	if (NULL == n->args)
-		return(1);
-
-	for (i = 0; i < (int)n->args->argc; i++)
-		if (MDOC_Width == n->args->argv[i].arg)
-			break;
-
-	if (i == (int)n->args->argc)
-		return(1);
-	p = n->args->argv[i].value[0];
-
 	/*
 	 * If the value to -width is a macro, then we re-write it to be
 	 * the macro's width as set in share/tmac/mdoc/doc-common.
 	 */
 
-	if (0 == strcmp(p, "Ds"))
+	if (0 == strcmp(n->data.Bl->width, "Ds"))
 		width = 6;
-	else if (MDOC_MAX == (tok = mdoc_hash_find(p)))
+	else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width)))
 		return(1);
 	else if (0 == (width = mdoc_macro2len(tok))) 
 		return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH));
 
 	/* The value already exists: free and reallocate it. */
 
+	assert(n->args);
+
+	for (i = 0; i < (int)n->args->argc; i++) 
+		if (MDOC_Width == n->args->argv[i].arg)
+			break;
+
+	assert(i < (int)n->args->argc);
+
 	snprintf(buf, NUMSIZ, "%zun", width);
 	free(n->args->argv[i].value[0]);
 	n->args->argv[i].value[0] = mandoc_strdup(buf);
+
+	/* Set our width! */
+	n->data.Bl->width = n->args->argv[i].value[0];
 	return(1);
 }
 
@@ -741,8 +702,10 @@ post_bl_head(POST_ARGS)
 	int			 i, c;
 	struct mdoc_node	*np, *nn, *nnp;
 
-	if (NULL == n->child)
+	if (LIST_column != n->data.Bl->type)
 		return(1);
+	else if (NULL == n->child)
+		return(1);
 
 	np = n->parent;
 	assert(np->args);
@@ -751,8 +714,7 @@ post_bl_head(POST_ARGS)
 		if (MDOC_Column == np->args->argv[c].arg)
 			break;
 
-	if (c == (int)np->args->argc)
-		return(1);
+	assert(c < (int)np->args->argc);
 	assert(0 == np->args->argv[c].sz);
 
 	/*
@@ -765,6 +727,9 @@ post_bl_head(POST_ARGS)
 	np->args->argv[c].value = mandoc_malloc
 		((size_t)n->nchild * sizeof(char *));
 
+	n->data.Bl->ncols = np->args->argv[c].sz;
+	n->data.Bl->cols = (const char **)np->args->argv[c].value;
+
 	for (i = 0, nn = n->child; nn; i++) {
 		np->args->argv[c].value[i] = nn->string;
 		nn->string = NULL;
@@ -782,7 +747,6 @@ post_bl_head(POST_ARGS)
 static int
 post_bl(POST_ARGS)
 {
-	int		  i, r, len;
 
 	if (MDOC_HEAD == n->type)
 		return(post_bl_head(m, n));
@@ -797,22 +761,16 @@ post_bl(POST_ARGS)
 	 * rewritten into real lengths).
 	 */
 
-	len = (int)(n->args ? n->args->argc : 0);
-
-	for (r = i = 0; i < len; i++) {
-		if (MDOC_Tag == n->args->argv[i].arg)
-			r |= 1 << 0;
-		if (MDOC_Width == n->args->argv[i].arg)
-			r |= 1 << 1;
-	}
-
-	if (r & (1 << 0) && ! (r & (1 << 1))) {
+	if (LIST_tag == n->data.Bl->type && NULL == n->data.Bl->width) {
 		if ( ! post_bl_tagwidth(m, n))
 			return(0);
-	} else if (r & (1 << 1))
+	} else if (NULL != n->data.Bl->width) {
 		if ( ! post_bl_width(m, n))
 			return(0);
+	} else 
+		return(1);
 
+	assert(n->data.Bl->width);
 	return(1);
 }
 
@@ -831,7 +789,6 @@ post_pa(POST_ARGS)
 	
 	np = n;
 	m->next = MDOC_NEXT_CHILD;
-	/* XXX: make into macro value. */
 	if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
 		return(0);
 	m->last = np;
@@ -840,51 +797,6 @@ post_pa(POST_ARGS)
 
 
 /*
- * Empty `Li' macros get an empty string to make front-ends add an extra
- * space.
- */
-static int
-post_li(POST_ARGS)
-{
-	struct mdoc_node *np;
-
-	if (n->child)
-		return(1);
-	
-	np = n;
-	m->next = MDOC_NEXT_CHILD;
-	if ( ! mdoc_word_alloc(m, n->line, n->pos, ""))
-		return(0);
-	m->last = np;
-	return(1);
-}
-
-
-/*
- * The `Ar' macro defaults to two strings "file ..." if no value is
- * provided as an argument.
- */
-static int
-post_ar(POST_ARGS)
-{
-	struct mdoc_node *np;
-
-	if (n->child)
-		return(1);
-	
-	np = n;
-	m->next = MDOC_NEXT_CHILD;
-	/* XXX: make into macro values. */
-	if ( ! mdoc_word_alloc(m, n->line, n->pos, "file"))
-		return(0);
-	if ( ! mdoc_word_alloc(m, n->line, n->pos, "..."))
-		return(0);
-	m->last = np;
-	return(1);
-}
-
-
-/*
  * Parse the date field in `Dd'.
  */
 static int
@@ -892,6 +804,11 @@ post_dd(POST_ARGS)
 {
 	char		buf[DATESIZ];
 
+	if (NULL == n->child) {
+		m->meta.date = time(NULL);
+		return(post_prol(m, n));
+	}
+
 	if ( ! concat(m, buf, n->child, DATESIZ))
 		return(0);
 
@@ -937,62 +854,19 @@ pre_dl(PRE_ARGS)
 }
 
 
-/* ARGSUSED */
 static int
-pre_offset(PRE_ARGS)
-{
-	int		 i;
-
-	/* 
-	 * Make sure that an empty offset produces an 8n length space as
-	 * stipulated by mdoc.samples. 
-	 */
-
-	for (i = 0; n->args && i < (int)n->args->argc; i++) {
-		if (MDOC_Offset != n->args->argv[i].arg) 
-			continue;
-		if (n->args->argv[i].sz)
-			break;
-		assert(1 == n->args->refcnt);
-		/* If no value set, length of <string>. */
-		n->args->argv[i].sz++;
-		n->args->argv[i].value = mandoc_malloc(sizeof(char *));
-		n->args->argv[i].value[0] = mandoc_strdup("8n");
-		break;
-	}
-
-	return(1);
-}
-
-
-static int
-pre_bl(PRE_ARGS)
-{
-
-	if (MDOC_BLOCK == n->type)
-		return(pre_offset(m, n));
-	return(1);
-}
-
-
-static int
 pre_bd(PRE_ARGS)
 {
-	int		 i;
 
-	if (MDOC_BLOCK == n->type)
-		return(pre_offset(m, n));
 	if (MDOC_BODY != n->type)
 		return(1);
 
-	/* Enter literal context if `Bd -literal' or `-unfilled'. */
+	assert(n->data.Bd);
+	if (DISP_literal == n->data.Bd->type)
+		m->flags |= MDOC_LITERAL;
+	if (DISP_unfilled == n->data.Bd->type)
+		m->flags |= MDOC_LITERAL;
 
-	for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
-		if (MDOC_Literal == n->args->argv[i].arg)
-			m->flags |= MDOC_LITERAL;
-		else if (MDOC_Unfilled == n->args->argv[i].arg)
-			m->flags |= MDOC_LITERAL;
-
 	return(1);
 }
 
@@ -1003,69 +877,5 @@ post_display(POST_ARGS)
 
 	if (MDOC_BODY == n->type)
 		m->flags &= ~MDOC_LITERAL;
-	return(1);
-}
-
-
-static inline int
-order_rs(enum mdoct t)
-{
-	int		i;
-
-	for (i = 0; i < (int)RSORD_MAX; i++)
-		if (rsord[i] == t)
-			return(i);
-
-	abort();
-	/* NOTREACHED */
-}
-
-
-/* ARGSUSED */
-static int
-post_rs(POST_ARGS)
-{
-	struct mdoc_node	*nn, *next, *prev;
-	int			 o;
-
-	if (MDOC_BLOCK != n->type)
-		return(1);
-
-	assert(n->body->child);
-	for (next = NULL, nn = n->body->child->next; nn; nn = next) {
-		o = order_rs(nn->tok);
-
-		/* Remove `nn' from the chain. */
-		next = nn->next;
-		if (next)
-			next->prev = nn->prev;
-
-		prev = nn->prev;
-		if (prev)
-			prev->next = nn->next;
-
-		nn->prev = nn->next = NULL;
-
-		/* 
-		 * Scan back until we reach a node that's ordered before
-		 * us, then set ourselves as being the next. 
-		 */
-		for ( ; prev; prev = prev->prev)
-			if (order_rs(prev->tok) <= o)
-				break;
-
-		nn->prev = prev;
-		if (prev) {
-			if (prev->next)
-				prev->next->prev = nn;
-			nn->next = prev->next;
-			prev->next = nn;
-			continue;
-		} 
-
-		n->body->child->prev = nn;
-		nn->next = n->body->child;
-		n->body->child = nn;
-	}
 	return(1);
 }