Security-55163.44.tar.gz

[apple/security.git] / libsecurity_cssm / lib / attachfactory.h

diff --git a/libsecurity_cssm/lib/attachfactory.h b/libsecurity_cssm/lib/attachfactory.h
new file mode 100644 (file)
index 0000000..8588004
--- /dev/null
+++ b/libsecurity_cssm/lib/attachfactory.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2000-2001,2004 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+//
+// attachfactory - industrial grade production of Attachment objects
+//
+#ifndef _H_ATTACHFACTORY
+#define _H_ATTACHFACTORY
+
+#include "cssmint.h"
+#include "attachment.h"
+
+#ifdef _CPP_ATTACHFACTORY
+# pragma export on
+#endif
+
+
+//
+// An AttachmentMaker can create an Attachment object for a particular service
+// type when asked nicely.
+// 
+class AttachmentMaker {
+public:
+    AttachmentMaker(CSSM_SERVICE_TYPE type) : mType(type) { }
+    virtual ~AttachmentMaker();
+
+    virtual Attachment *make(Module *module,
+                             const CSSM_VERSION &version,
+                             uint32 subserviceId,
+                             CSSM_SERVICE_TYPE subserviceType,
+                             const CSSM_API_MEMORY_FUNCS &memoryOps,
+                             CSSM_ATTACH_FLAGS attachFlags,
+                             CSSM_KEY_HIERARCHY keyHierarchy,
+                             CSSM_FUNC_NAME_ADDR *functionTable,
+                             uint32 functionTableSize) = 0;
+
+    CSSM_SERVICE_TYPE factoryType() const { return mType; }
+    
+private:
+    CSSM_SERVICE_TYPE mType;
+};
+
+
+//
+// An AttachmentFactory contains a registry of AttachmentMakers for different
+// service types, and produces the needed one on request.
+//
+class AttachmentFactory {
+public:
+    AttachmentFactory();
+    
+    AttachmentMaker *attachmentMakerFor(CSSM_SERVICE_TYPE type) const;
+
+private:
+    typedef map<CSSM_SERVICE_TYPE, AttachmentMaker *> AttachFactories;
+    AttachFactories factories;
+};
+
+#ifdef _CPP_ATTACHFACTORY
+# pragma export off
+#endif
+
+
+#endif //_H_ATTACHFACTORY