From b9e7d47e24d862f4c80604cfa4e1b6dddf48d607 Mon Sep 17 00:00:00 2001
From: Matthias Benkard <code@mail.matthias.benkard.de>
Date: Thu, 6 Mar 2008 12:33:37 +0100
Subject: Implement the rest of NS::MLK-LISP-STRING, NS::MLK-LISP-ARRAY, and
 NS::MLK-LISP-LIST.

darcs-hash:a08cc3c06aacbea697dd8f661480469cf2a1b9bb
---
 Lisp/lisp-value-wrapping.lisp | 61 +++++++++++++++++++++++++++++++------------
 1 file changed, 44 insertions(+), 17 deletions(-)

diff --git a/Lisp/lisp-value-wrapping.lisp b/Lisp/lisp-value-wrapping.lisp
index 67c72e6..b0a7794 100644
--- a/Lisp/lisp-value-wrapping.lisp
+++ b/Lisp/lisp-value-wrapping.lisp
@@ -40,22 +40,6 @@
   (:metaclass ns::+ns-object))
 
 
-(define-objective-c-generic-function #/description (self))
-
-(define-objective-c-method #/description :id ((self ns::mlk-lisp-value ))
-  (#/stringWithUTF8String: (find-objc-class 'ns-string)
-                           (format nil "<MLKLispValue: ~A>"
-                                   (write-to-string (lisp-value self)
-                                                    :readably nil
-                                                    :escape t
-                                                    :circle t
-                                                    :length 50
-                                                    :level 5
-                                                    :pretty nil
-                                                    :radix nil
-                                                    :base 10))))
-
-
 (defcoercion id ((x list))
   (intern-lisp-value x))
 
@@ -127,9 +111,52 @@
 ;;
 ;; May usefully override, among others:
 ;;  - description
-(defclass ns::mlk-lisp-list (ns::ns-array lisp-value-wrapper-mixin)
+(defclass ns::mlk-lisp-list (ns::mlk-lisp-array)
      ()
   (:metaclass ns::+ns-object))
 
 
+
+(define-objective-c-generic-function #/description (self))
+(define-objective-c-method #/description :id ((self ns::mlk-lisp-value))
+  (#/stringWithUTF8String: (find-objc-class 'ns-string)
+                           (format nil "<MLKLispValue: ~A>"
+                                   (write-to-string (lisp-value self)
+                                                    :readably nil
+                                                    :escape t
+                                                    :circle t
+                                                    :length 50
+                                                    :level 5
+                                                    :pretty nil
+                                                    :radix nil
+                                                    :base 10))))
+
+
+(define-objective-c-generic-function #/characterAtIndex: (self index))
+(define-objective-c-method #/characterAtIndex: :short ((self ns::mlk-lisp-string)
+                                                       (index :unsigned-long))
+    ;; index is actually NSUInteger ==
+    ;;   (:unsigned-long ((:nominally :unsigned-int))) on 32-bit architectures,
+    ;;   but (:unsigned-long ()) on 64-bit architectures.
+    ;;
+    ;; That is, it's word-sized and labeled `unsigned int' on 32-bit.
+  (char-int (char (lisp-value self) index)))
+
+
+(define-objective-c-generic-function #/length (self))
+(define-objective-c-method #/length :unsigned-long ((self ns::mlk-lisp-string))
+  (length (lisp-value self)))
+
+
+(define-objective-c-generic-function #/objectAtIndex: (self index))
+(define-objective-c-method #/objectAtIndex: ((self ns::mlk-lisp-array)
+                                             (index :unsigned-long))
+  (aref (lisp-value self) index))
+
+
+(define-objective-c-generic-function #/count (self))
+(define-objective-c-method #/count ((self ns::mlk-lisp-array))
+  (length (lisp-value self)))
+
+
 #.(disable-method-syntax)
-- 
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