===================================================================
RCS file: /cvs/docbook2mdoc/node.h,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -p -r1.19 -r1.20
--- docbook2mdoc/node.h	2019/04/12 11:37:09	1.19
+++ docbook2mdoc/node.h	2019/04/12 16:40:53	1.20
@@ -1,4 +1,4 @@
-/* $Id: node.h,v 1.19 2019/04/12 11:37:09 schwarze Exp $ */
+/* $Id: node.h,v 1.20 2019/04/12 16:40:53 schwarze Exp $ */
 /*
  * Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org>
@@ -22,14 +22,23 @@
  */
 
 /*
+ * How the output from each node behaves
+ * with respect to mdoc(7) structure.
+ */
+enum	nodeclass {
+	CLASS_VOID = 0,	/* No output at all, children are skipped. */
+	CLASS_TEXT,	/* Node prints only text, no macros. */
+	CLASS_TRANS,	/* Transparent: only the children are shown. */
+	CLASS_LINE,	/* Generates only simple in-line macros. */
+	CLASS_ENCL,	/* Explicit or implicit partial blocks. */
+	CLASS_BLOCK	/* Output linebreak before and after. */
+};
+
+/*
  * All node types used for formatting purposes.
  * More DocBook XML elements are recognized, but remapped or discarded.
  */
 enum	nodeid {
-	NODE_DELETE_WARN,
-	NODE_DELETE,
-	NODE_IGNORE,
-	/* Alpha-ordered hereafter. */
 	NODE_AFFILIATION,
 	NODE_APPENDIX,
 	NODE_APPLICATION,
@@ -56,7 +65,6 @@ enum	nodeid {
 	NODE_ENTRY,
 	NODE_ENVAR,
 	NODE_ERRORNAME,
-	NODE_ESCAPE,
 	NODE_FIELDSYNOPSIS,
 	NODE_FILENAME,
 	NODE_FIRSTTERM,
@@ -131,21 +139,24 @@ enum	nodeid {
 	NODE_TABLE,
 	NODE_TBODY,
 	NODE_TERM,
-	NODE_TEXT,
 	NODE_TFOOT,
 	NODE_TGROUP,
 	NODE_THEAD,
 	NODE_TIP,
 	NODE_TITLE,
 	NODE_TYPE,
-	NODE_ULINK,
 	NODE_VARIABLELIST,
 	NODE_VARLISTENTRY,
 	NODE_VARNAME,
 	NODE_WARNING,
 	NODE_WORDASWORD,
 	NODE_YEAR,
-	NODE__MAX
+	NODE_UNKNOWN,
+	NODE_TEXT,
+	NODE_ESCAPE,
+	NODE_IGNORE,
+	NODE_DELETE,
+	NODE_DELETE_WARN
 };
 
 /*
@@ -228,6 +239,10 @@ struct	ptree {
 
 enum attrkey	 attrkey_parse(const char *);
 enum attrval	 attrval_parse(const char *);
+enum nodeid	 pnode_parse(const char *name);
+const char	*pnode_name(enum nodeid);
+enum nodeclass	 pnode_class(enum nodeid);
+
 struct pnode	*pnode_alloc(struct pnode *);
 void		 pnode_unlink(struct pnode *);
 void		 pnode_unlinksub(struct pnode *);