From e1d873e331493485743f8828fa9aa8dd016c405a Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Thu, 22 Jun 2006 19:17:29 +0000
Subject: [PATCH] Export procedures to write the elements of a triple.

---
 v7/src/xml/rdf-nt.scm     | 22 +++++++++++-----------
 v7/src/xml/rdf-struct.scm | 19 +++++++++----------
 v7/src/xml/xml.pkg        |  5 ++++-
 3 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/v7/src/xml/rdf-nt.scm b/v7/src/xml/rdf-nt.scm
index 8f67b5730..dfed3cdbb 100644
--- a/v7/src/xml/rdf-nt.scm
+++ b/v7/src/xml/rdf-nt.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: rdf-nt.scm,v 1.6 2006/06/10 03:52:00 cph Exp $
+$Id: rdf-nt.scm,v 1.7 2006/06/22 19:17:26 cph Exp $
 
 Copyright 2006 Massachusetts Institute of Technology
 
@@ -212,36 +212,36 @@ USA.
 
 (define (write-rdf/nt triple port)
   (let ((s (rdf-triple-subject triple)))
-    (cond ((uri? s) (write-uri-ref s port))
-	  ((rdf-bnode? s) (write-bnode s port))))
+    (cond ((uri? s) (write-rdf-uri-ref s port))
+	  ((rdf-bnode? s) (write-rdf-bnode s port))))
   (write-char #\space port)
-  (write-uri-ref (rdf-triple-predicate triple) port)
+  (write-rdf-uri-ref (rdf-triple-predicate triple) port)
   (write-char #\space port)
   (let ((o (rdf-triple-object triple)))
-    (cond ((uri? o) (write-uri-ref o port))
-	  ((rdf-bnode? o) (write-bnode o port))
-	  ((rdf-literal? o) (write-literal o port))))
+    (cond ((uri? o) (write-rdf-uri-ref o port))
+	  ((rdf-bnode? o) (write-rdf-bnode o port))
+	  ((rdf-literal? o) (write-rdf-literal o port))))
   (write-char #\space port)
   (write-char #\. port)
   (newline port))
 
-(define (write-uri-ref uri port)
+(define (write-rdf-uri-ref uri port)
   (write-char #\< port)
   (write-uri uri port)
   (write-char #\> port))
 
-(define (write-bnode bnode port)
+(define (write-rdf-bnode bnode port)
   (write-string "_:" port)
   (write-string (rdf-bnode-name bnode) port))
 
-(define (write-literal literal port)
+(define (write-rdf-literal literal port)
   (write-char #\" port)
   (write-literal-text (rdf-literal-text literal) port)
   (write-char #\" port)
   (cond ((rdf-literal-type literal)
 	 => (lambda (uri)
 	      (write-string "^^" port)
-	      (write-uri-ref uri port)))
+	      (write-rdf-uri-ref uri port)))
 	((rdf-literal-language literal)
 	 => (lambda (lang)
 	      (write-char #\@ port)
diff --git a/v7/src/xml/rdf-struct.scm b/v7/src/xml/rdf-struct.scm
index 7813679a5..0bbb0d38c 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 1.8 2006/06/22 18:35:27 cph Exp $
+$Id: rdf-struct.scm,v 1.9 2006/06/22 19:17:27 cph Exp $
 
 Copyright 2006 Massachusetts Institute of Technology
 
@@ -49,9 +49,10 @@ USA.
 (define-guarantee rdf-bnode "RDF bnode")
 
 (set-record-type-unparser-method! <rdf-bnode>
-  (simple-unparser-method 'RDF-BNODE
-    (lambda (bnode)
-      (rdf-bnode-name bnode))))
+  (standard-unparser-method 'RDF-BNODE
+    (lambda (bnode port)
+      (write-char #\space port)
+      (write-rdf-bnode bnode port))))
 
 (define (make-rdf-bnode #!optional name)
   (%make-rdf-bnode
@@ -75,12 +76,10 @@ USA.
 (define-guarantee rdf-literal "RDF literal")
 
 (set-record-type-unparser-method! <rdf-literal>
-  (simple-unparser-method 'RDF-LITERAL
-    (lambda (literal)
-      (list (let ((s (rdf-literal-text literal)))
-	      (if (fix:<= (string-length s) 64)
-		  s
-		  (string-append (string-head s 60) " ...")))))))
+  (standard-unparser-method 'RDF-LITERAL
+    (lambda (literal port)
+      (write-char #\space port)
+      (write-rdf-literal literal port))))
 
 (define (make-rdf-literal text type)
   (guarantee-utf8-string text 'RDF-LITERAL)
diff --git a/v7/src/xml/xml.pkg b/v7/src/xml/xml.pkg
index 3e5530cc5..c177d2b71 100644
--- a/v7/src/xml/xml.pkg
+++ b/v7/src/xml/xml.pkg
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: xml.pkg,v 1.70 2006/06/22 04:48:33 cph Exp $
+$Id: xml.pkg,v 1.71 2006/06/22 19:17:29 cph Exp $
 
 Copyright 2001,2002,2003,2004,2005,2006 Massachusetts Institute of Technology
 
@@ -572,6 +572,9 @@ USA.
 	  read-rdf/nt
 	  read-rdf/nt-file
 	  rdf/nt-file->source
+	  write-rdf-bnode
+	  write-rdf-literal
+	  write-rdf-uri-ref
 	  write-rdf/nt
 	  write-rdf/nt-file))
 
-- 
2.25.1