1/*
2 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
3 *
4 * The contents of this file constitute Original Code as defined in and are
5 * subject to the Apple Public Source License Version 1.2 (the 'License').
6 * You may not use this file except in compliance with the License. Please obtain
7 * a copy of the License at http://www.apple.com/publicsource and read it before
8 * using this file.
9 *
10 * This Original Code and all software distributed under the License are
11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
15 * specific language governing rights and limitations under the License.
16 */
17
18
19//
20// SelectionPredicate.cpp
21//
22
23#include "SelectionPredicate.h"
24
25SelectionPredicate::SelectionPredicate(const MetaRecord &inMetaRecord,
26									   const CSSM_SELECTION_PREDICATE &inPredicate)
27:	mMetaAttribute(inMetaRecord.metaAttribute(inPredicate.Attribute.Info)),
28	mDbOperator(inPredicate.DbOperator)
29{
30	// Make sure that the caller specified the attribute values in the correct format.
31	if (inPredicate.Attribute.Info.AttributeFormat != mMetaAttribute.attributeFormat())
32		CssmError::throwMe(CSSMERR_DL_INCOMPATIBLE_FIELD_FORMAT);
33
34	// XXX See ISSUES
35	if (inPredicate.Attribute.NumberOfValues != 1)
36		CssmError::throwMe(CSSMERR_DL_UNSUPPORTED_QUERY);
37
38	mData = inPredicate.Attribute.Value[0];
39	mValue = mMetaAttribute.createValue(mData);
40}
41
42SelectionPredicate::~SelectionPredicate()
43{
44	delete mValue;
45}
46
47bool
48SelectionPredicate::evaluate(const ReadSection &rs) const
49{
50    return mMetaAttribute.evaluate(mValue, rs, mDbOperator);
51}
52