Security-55163.44.tar.gz

[apple/security.git] / libsecurity_filedb / lib / SelectionPredicate.h

diff --git a/libsecurity_filedb/lib/SelectionPredicate.h b/libsecurity_filedb/lib/SelectionPredicate.h
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+/*
+ * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This 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.
+ */
+
+
+//
+// SelectionPredicate.h
+//
+
+#ifndef _H_APPLEDL_SELECTIONPREDICATE
+#define _H_APPLEDL_SELECTIONPREDICATE
+
+#include "MetaRecord.h"
+#include <memory>
+
+namespace Security
+{
+
+class SelectionPredicate
+{
+    NOCOPY(SelectionPredicate)
+       
+public:
+    SelectionPredicate(const MetaRecord &inMetaRecord,
+                                  const CSSM_SELECTION_PREDICATE &inPredicate);
+       ~SelectionPredicate();
+       
+    bool evaluate(const ReadSection &inReadSection) const;
+       
+private:
+    const MetaAttribute &mMetaAttribute;
+    CSSM_DB_OPERATOR mDbOperator;
+       CssmDataContainer mData;
+       DbValue *mValue;
+};
+
+} // end namespace Security
+
+#endif // _H_APPLEDL_SELECTIONPREDICATE