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Date: Wed, 3 Apr 2019 06:46:39 -0500 (EST)
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From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: docbook2mdoc: Prints tables containing only one column as .Bl -bullet 
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Log Message:
-----------
Prints tables containing only one column as .Bl -bullet -compact.
The number of columns is taken from the "cols" attribute.

No neat to treat <informaltable> separately from <table>;
the only difference is whether or not it has a title.

Treat <table> as transparent and handle <tgroup> instead.
The advantages are that <title> gets a generic handler
which also works in other contexts
and that other children of <table> are now covered as well.

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

Revision Data
-------------
Index: node.h
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/node.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -Lnode.h -Lnode.h -u -p -r1.7 -r1.8
--- node.h
+++ node.h
@@ -70,7 +70,6 @@ enum	nodeid {
 	NODE_INDEX,
 	NODE_INFO,
 	NODE_INFORMALEQUATION,
-	NODE_INFORMALTABLE,
 	NODE_INLINEEQUATION,
 	NODE_ITEMIZEDLIST,
 	NODE_KEYSYM,
@@ -157,6 +156,7 @@ enum	attrkey {
 	ATTRKEY_CHOICE = 0,
 	ATTRKEY_CLASS,
 	ATTRKEY_CLOSE,
+	ATTRKEY_COLS,
 	ATTRKEY_ID,
 	ATTRKEY_LINKEND,
 	ATTRKEY_OPEN,
Index: parse.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/parse.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -Lparse.c -Lparse.c -u -p -r1.10 -r1.11
--- parse.c
+++ parse.c
@@ -98,7 +98,7 @@ static	const struct element elements[] =
 	{ "indexterm",		NODE_DELETE },
 	{ "info",		NODE_INFO },
 	{ "informalequation",	NODE_INFORMALEQUATION },
-	{ "informaltable",	NODE_INFORMALTABLE },
+	{ "informaltable",	NODE_TABLE },
 	{ "inlineequation",	NODE_INLINEEQUATION },
 	{ "itemizedlist",	NODE_ITEMIZEDLIST },
 	{ "keysym",		NODE_KEYSYM },
Index: node.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/node.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -Lnode.c -Lnode.c -u -p -r1.2 -r1.3
--- node.c
+++ node.c
@@ -28,6 +28,7 @@ static	const char *const attrkeys[ATTRKE
 	"choice",
 	"class",
 	"close",
+	"cols",
 	"id",
 	"linkend",
 	"open",
Index: docbook2mdoc.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/docbook2mdoc.c,v
retrieving revision 1.81
retrieving revision 1.82
diff -Ldocbook2mdoc.c -Ldocbook2mdoc.c -u -p -r1.81 -r1.82
--- docbook2mdoc.c
+++ docbook2mdoc.c
@@ -540,18 +540,40 @@ pnode_printrow(struct format *p, struct 
 }
 
 static void
-pnode_printtable(struct format *p, struct pnode *pn)
+pnode_printtgroup1(struct format *p, struct pnode *n)
 {
-	struct pnode	*pp;
+	struct pnode	*nc;
+
+	macro_line(p, "Bl -bullet -compact");
+	while ((nc = pnode_findfirst(n, NODE_ENTRY)) != NULL) {
+		macro_line(p, "It");
+		pnode_print(p, nc);
+		pnode_unlink(nc);
+	}
+	macro_line(p, "El");
+	pnode_unlinksub(n);
+}
+
+static void
+pnode_printtgroup(struct format *p, struct pnode *n)
+{
+	struct pnode	*nc;
+
+	switch (atoi(pnode_getattr_raw(n, ATTRKEY_COLS, "0"))) {
+	case 1:
+		pnode_printtgroup1(p, n);
+		return;
+	default:
+		break;
+	}
 
-	pnode_printtitle(p, pn);
 	macro_line(p, "Bl -ohang");
-	while ((pp = pnode_findfirst(pn, NODE_ROW)) != NULL) {
+	while ((nc = pnode_findfirst(n, NODE_ROW)) != NULL) {
 		macro_line(p, "It Table Row");
-		pnode_printrow(p, pp);
+		pnode_printrow(p, nc);
 	}
 	macro_line(p, "El");
-	pnode_unlinksub(pn);
+	pnode_unlinksub(n);
 }
 
 static void
@@ -782,10 +804,6 @@ pnode_print(struct format *p, struct pno
 	case NODE_STRUCTNAME:
 		macro_open(p, "Vt");
 		break;
-	case NODE_TABLE:
-	case NODE_INFORMALTABLE:
-		pnode_printtable(p, pn);
-		break;
 	case NODE_TEXT:
 		if (pn->bsz == 0) {
 			assert(pn->real != pn->b);
@@ -829,9 +847,17 @@ pnode_print(struct format *p, struct pno
 				putchar('e');
 		}
 		break;
+	case NODE_TGROUP:
+		pnode_printtgroup(p, pn);
+		break;
 	case NODE_TITLE:
-		if (pn->parent->node == NODE_BOOKINFO)
+		if (pn->parent->node == NODE_BOOKINFO) {
 			macro_open(p, "Nd");
+			break;
+		}
+		pnode_printpara(p, pn);
+		macro_nodeline(p, "Sy", pn, 0);
+		pnode_unlinksub(pn);
 		break;
 	case NODE_TYPE:
 		macro_open(p, "Vt");
--
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