docbook2mdoc: implement file inclusion via <xi:include>

[schwarze@mandoc.bsd.lv]

Log Message:
-----------
implement file inclusion via <xi:include>

Modified Files:
--------------
    docbook2mdoc:
        node.c
        node.h
        parse.c

Revision Data
-------------
Index: node.h
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/node.h,v
retrieving revision 1.13
retrieving revision 1.14
diff -Lnode.h -Lnode.h -u -p -r1.13 -r1.14
--- node.h
+++ node.h
@@ -69,6 +69,7 @@ enum	nodeid {
 	NODE_GLOSSTERM,
 	NODE_GROUP,
 	NODE_HOLDER,
+	NODE_INCLUDE,
 	NODE_INDEX,
 	NODE_INFO,
 	NODE_INFORMALEQUATION,
@@ -159,6 +160,7 @@ enum	attrkey {
 	ATTRKEY_COLS,
 	ATTRKEY_DEFINITION,
 	ATTRKEY_ENDTERM,
+	ATTRKEY_HREF,
 	ATTRKEY_ID,
 	ATTRKEY_LINKEND,
 	ATTRKEY_NAME,
Index: parse.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/parse.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -Lparse.c -Lparse.c -u -p -r1.25 -r1.26
--- parse.c
+++ parse.c
@@ -213,7 +213,7 @@ static	const struct element elements[] =
 	{ "varname",		NODE_VARNAME },
 	{ "warning",		NODE_WARNING },
 	{ "wordasword",		NODE_WORDASWORD },
-	{ "xi:include",		NODE_DELETE_WARN },
+	{ "xi:include",		NODE_INCLUDE },
 	{ "year",		NODE_YEAR },
 	{ NULL,			NODE_IGNORE }
 };
@@ -641,6 +641,8 @@ static void
 xml_elem_end(struct parse *ps, const char *name)
 {
 	const struct element	*elem;
+	struct pnode		*n;
+	const char		*cp;
 	enum nodeid		 node;
 
 	/*
@@ -670,6 +672,18 @@ xml_elem_end(struct parse *ps, const cha
 			ps->del--;
 		break;
 	case NODE_IGNORE:
+		break;
+	case NODE_INCLUDE:
+		n = ps->cur;
+		ps->cur = ps->cur->parent;
+		cp = pnode_getattr_raw(n, ATTRKEY_HREF, NULL);
+		if (cp == NULL)
+			error_msg(ps, "<xi:include> element "
+			    "without href attribute");
+		else
+			parse_file(ps, -1, cp);
+		pnode_unlink(n);
+		ps->flags &= ~PFLAG_SPC;
 		break;
 	case NODE_DOCTYPE:
 		ps->flags &= ~PFLAG_EEND;
Index: node.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/node.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -Lnode.c -Lnode.c -u -p -r1.5 -r1.6
--- node.c
+++ node.c
@@ -31,6 +31,7 @@ static	const char *const attrkeys[ATTRKE
 	"cols",
 	"DEFINITION",
 	"endterm",
+	"href",
 	"id",
 	"linkend",
 	"NAME",
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