r2386: *** empty log message ***

[uffi.git] / src / mcl / strings.cl

diff --git a/src/mcl/strings.cl b/src/mcl/strings.cl
deleted file mode 100644 (file)
index ed311a2..0000000
--- a/src/mcl/strings.cl
+++ /dev/null
@@ -1,198 +0,0 @@
-;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: UFFI -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name:          strings.cl
-;;;; Purpose:       UFFI source to handle strings, cstring and foreigns
-;;;; Programmers:   Kevin M. Rosenberg and John DeSoi
-;;;; Date Started:  Feb 2002
-;;;;
-;;;; $Id: strings.cl,v 1.5 2002/08/23 15:28:11 kevin Exp $
-;;;;
-;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg 
-;;;; and John DeSoi
-;;;;
-;;;; UFFI users are granted the rights to distribute and use this software
-;;;; as governed by the terms of the Lisp Lesser GNU Public License
-;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
-;;;; *************************************************************************
-
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :uffi)
-
-
-(defvar +null-cstring-pointer+ (ccl:%null-ptr))
-
-(defmacro convert-from-cstring (obj)
-  "Converts a string from a c-call. Same as convert-from-foreign-string, except
-that CMU automatically converts strings from c-calls."
-  #+cmu obj
-  #+lispworks 
-  (let ((stored (gensym)))
-    `(let ((,stored ,obj))
-       (if (fli:null-pointer-p ,stored)
-          nil
-        (fli:convert-from-foreign-string ,stored))))
-  #+allegro 
-  (let ((stored (gensym)))
-    `(let ((,stored ,obj))
-       (if (zerop ,stored)
-          nil
-        (values (excl:native-to-string ,stored)))))
-  #+mcl 
-  (let ((stored (gensym)))
-    `(let ((,stored ,obj))
-       (if (ccl:%null-ptr-p ,stored)
-          nil
-        (values (ccl:%get-cstring ,stored)))))
-
-
-  )
-
-(defmacro convert-to-cstring (obj)
-  #+lispworks
-  `(if (null ,obj)
-    +null-cstring-pointer+
-    (fli:convert-to-foreign-string ,obj))
-  #+allegro
-  `(if (null ,obj)
-    0
-    (values (excl:string-to-native ,obj)))
-  #+cmu
-  (declare (ignore obj))
-  #+mcl
-  `(if (null ,obj)
-    +null-cstring-pointer+
-    (let ((ptr (new-ptr (1+ (length ,obj)))))
-      (ccl:%put-cstring ptr ,obj)
-      ptr))
-  )
-
-(defmacro free-cstring (obj)
-  #+lispworks
-  `(unless (fli:null-pointer-p ,obj)
-     (fli:free-foreign-object ,obj))
-  #+allegro
-  `(unless (zerop obj)
-     (ff:free-fobject ,obj))
-  #+cmu
-  (declare (ignore obj))
-  #+mcl
-  `(unless (ccl:%null-ptr-p ,obj)
-     (dispose-ptr ,obj))
-
-  )
-
-;; Either length or null-terminated-p must be non-nil
-(defmacro convert-from-foreign-string (obj &key
-                                          length
-                                          (null-terminated-p t))
-  #+allegro
-  `(if (zerop ,obj)
-       nil
-     (values (excl:native-to-string
-             ,obj 
-             ,@(if length (list :length length) (values))
-             :truncate (not ,null-terminated-p))))
-  #+lispworks
-  `(if (fli:null-pointer-p ,obj)
-       nil
-     (fli:convert-from-foreign-string 
-      ,obj
-      ,@(if length (list :length length) (values))
-      :null-terminated-p ,null-terminated-p
-      :external-format '(:latin-1 :eol-style :lf)))      
-  #+cmu
-  `(cmucl-naturalize-cstring (alien:alien-sap ,obj)
-                             :length ,length
-                             :null-terminated-p ,null-terminated-p)
-  #+mcl
-  (declare (ignore null-terminated-p))
-  #+mcl
-  `(if (ccl:%null-ptr-p ,obj)
-     nil
-     (ccl:%get-cstring ,obj 0 ,@(if length (list length) nil)))
-  )
-
-(defmacro convert-to-foreign-string (obj)
-  #+lispworks
-  `(if (null ,obj)
-       +null-cstring-pointer+
-    (fli:convert-to-foreign-string ,obj))
-  #+allegro
-  `(if (null ,obj)
-       0
-     (values (excl:string-to-native ,obj)))
-  #+cmu
-  (let ((size (gensym))
-       (storage (gensym))
-       (i (gensym)))
-    `(when (stringp ,obj)
-       (let* ((,size (length ,obj))
-             (,storage (alien:make-alien char (1+ ,size))))
-        (setq ,storage (alien:cast ,storage (* char)))
-        (dotimes (,i ,size)
-          (declare (fixnum ,i)
-                   (optimize (speed 3) (safety 0)))
-          (setf (alien:deref ,storage ,i) (char-code (char ,obj ,i))))
-        (setf (alien:deref ,storage ,size) 0)
-        ,storage)))
-  #+mcl
-  `(if (null ,obj)
-    +null-cstring-pointer+
-    (let ((ptr (new-ptr (1+ (length ,obj)))))
-      (ccl:%put-cstring ptr ,obj)
-      ptr))
-  )
-
-
-(defmacro allocate-foreign-string (size &key (unsigned t))
-  #+cmu
-  (let ((array-def (gensym)))
-    `(let ((,array-def (list 'alien:array 'c-call:char ,size)))
-       (eval `(alien:cast (alien:make-alien ,,array-def) 
-                         ,(if ,unsigned 
-                              '(* (alien:unsigned 8))
-                            '(* (alien:signed 8)))))))
-  #+lispworks
-  `(fli:allocate-foreign-object :type 
-                               ,(if unsigned 
-                                    ''(:unsigned :char) 
-                                  :char)
-                               :nelems ,size)
-  #+allegro
-  (declare (ignore unsigned))
-  #+allegro
-  `(ff:allocate-fobject :char :c ,size)
-  #+mcl
-  (declare (ignore unsigned))
-  #+mcl
-  `(new-ptr ,size)
- 
-  )
-
-
-; I'm sure there must be a better way to write this...
-(defmacro with-cstring ((foreign-string lisp-string) &body body)
-  `(if (stringp ,lisp-string)
-     (ccl:with-cstrs ((,foreign-string ,lisp-string))
-       ,@body)
-     (let ((,foreign-string +null-cstring-pointer+))
-       ,@body)))
-
-
-#| Works but, supposedly the built in method is better
-(defmacro with-cstring ((foreign-string lisp-string) &body body)
-  (let ((result (gensym)))
-    `(let* ((,foreign-string (convert-to-cstring ,lisp-string))
-           (,result ,@body))
-       (dispose-ptr ,foreign-string)
-       ,result))
-  )
-
-|#
-
-
-
-    
-