From 3841f1b6d4b902856e17d1e9ded8fc796b58217e Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Wed, 1 Aug 2007 00:15:44 +0000
Subject: [PATCH] Eliminate obsolete RDF index.

---
 v7/src/xml/rdf-struct.scm | 33 +--------------------------------
 v7/src/xml/xml.pkg        | 11 +----------
 2 files changed, 2 insertions(+), 42 deletions(-)

diff --git a/v7/src/xml/rdf-struct.scm b/v7/src/xml/rdf-struct.scm
index fcf68c077..a89d9b4a3 100644
--- a/v7/src/xml/rdf-struct.scm
+++ b/v7/src/xml/rdf-struct.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: rdf-struct.scm,v 1.28 2007/08/01 00:13:35 cph Exp $
+$Id: rdf-struct.scm,v 1.29 2007/08/01 00:15:42 cph Exp $
 
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
@@ -159,37 +159,6 @@ USA.
   (and (string=? (rdf-literal-text l1) (rdf-literal-text l2))
        (eq? (%rdf-literal-type l1) (%rdf-literal-type l2))))
 
-;;;; Triples index (deprecated)
-
-(define-record-type <rdf-index>
-    (%make-rdf-index subjects predicates objects)
-    rdf-index?
-  (subjects rdf-index-subjects)
-  (predicates rdf-index-predicates)
-  (objects rdf-index-objects))
-
-(define-guarantee rdf-index "RDF index")
-
-(define (make-rdf-index)
-  (%make-rdf-index (make-eq-hash-table)
-		   (make-eq-hash-table)
-		   (make-eq-hash-table)))
-
-(define (add-to-rdf-index triple index)
-  (let ((add
-	 (lambda (key index)
-	   (hash-table/put! index
-			    key
-			    (cons triple
-				  (hash-table/get index
-						  key
-						  '()))))))
-    (add (rdf-triple-subject triple) (rdf-index-subjects index))
-    (add (rdf-triple-predicate triple) (rdf-index-predicates index))
-    (let ((o (rdf-triple-object triple)))
-      (if (not (rdf-literal? o))
-	  (add o (rdf-index-objects index))))))
-
 ;;;; Qnames
 
 (define (register-rdf-prefix prefix expansion #!optional registry)
diff --git a/v7/src/xml/xml.pkg b/v7/src/xml/xml.pkg
index ea5e0cdc5..1503d267e 100644
--- a/v7/src/xml/xml.pkg
+++ b/v7/src/xml/xml.pkg
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: xml.pkg,v 1.94 2007/08/01 00:13:37 cph Exp $
+$Id: xml.pkg,v 1.95 2007/08/01 00:15:44 cph Exp $
 
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
@@ -536,32 +536,27 @@ USA.
   (export ()
 	  *default-rdf-prefix-registry*
 	  <rdf-bnode>
-	  <rdf-index>
 	  <rdf-literal>
 	  <rdf-prefix-registry>
 	  <rdf-triple>
-	  add-to-rdf-index
 	  canonicalize-rdf-object
 	  canonicalize-rdf-predicate
 	  canonicalize-rdf-subject
 	  canonicalize-rdf-uri
 	  copy-rdf-prefix-registry
 	  error:not-rdf-bnode
-	  error:not-rdf-index
 	  error:not-rdf-literal
 	  error:not-rdf-prefix
 	  error:not-rdf-prefix-registry
 	  error:not-rdf-qname
 	  error:not-rdf-triple
 	  guarantee-rdf-bnode
-	  guarantee-rdf-index
 	  guarantee-rdf-literal
 	  guarantee-rdf-prefix
 	  guarantee-rdf-prefix-registry
 	  guarantee-rdf-qname
 	  guarantee-rdf-triple
 	  make-rdf-bnode
-	  make-rdf-index
 	  make-rdf-literal
 	  make-rdf-qname
 	  make-rdf-triple
@@ -571,10 +566,6 @@ USA.
 	  port/set-rdf-prefix-registry
 	  rdf-bnode-name
 	  rdf-bnode?
-	  rdf-index-objects
-	  rdf-index-predicates
-	  rdf-index-subjects
-	  rdf-index?
 	  rdf-literal-language
 	  rdf-literal-text
 	  rdf-literal-type
-- 
2.25.1