1/*
2 * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#include "PartialRelation.h"
25#include "TableRelation.h"
26#include "CommonCode.h"
27
28
29PartialRelation::PartialRelation (CSSM_DB_RECORDTYPE recordType, int numberOfColumns, columnInfoLoader *theColumnInfo)  :
30	Relation (recordType), mNumberOfColumns (numberOfColumns)
31{
32	if (mNumberOfColumns == 0) {
33		mColumnInfo = NULL;
34		return;
35	}
36
37	mColumnInfo = new columnInfo[mNumberOfColumns];
38	for (int i = 0; i < mNumberOfColumns; ++i) {
39		mColumnInfo[i].mColumnName = new StringValue (theColumnInfo[i].mColumnName);
40		mColumnInfo[i].mColumnID = theColumnInfo[i].mColumnID;
41		mColumnInfo[i].mColumnFormat = theColumnInfo[i].mColumnFormat;
42	}
43}
44
45
46
47PartialRelation::~PartialRelation ()
48{
49	if (mColumnInfo != NULL) {
50		for (int i = 0; i < mNumberOfColumns; ++i)
51			delete mColumnInfo[i].mColumnName;
52		delete mColumnInfo;
53	}
54}
55
56
57StringValue *PartialRelation::GetColumnName (int i)
58{
59	return mColumnInfo[i].mColumnName;
60}
61
62
63int PartialRelation::GetNumberOfColumns ()
64{
65	return mNumberOfColumns;
66}
67
68
69
70uint32 PartialRelation::GetColumnIDs (int i)
71{
72	return mColumnInfo[i].mColumnID;
73}
74
75
76
77int PartialRelation::GetColumnNumber (const char* columnName)
78{
79	// look for a column name that matches this columnName.  If not, throw an exception
80 	for (int i = 0; i < mNumberOfColumns; ++i) {
81		const char *s = mColumnInfo[i].mColumnName->GetRawValue();
82		if (strncmp(s, columnName, strlen(s)) == 0)
83 			return i;
84 	}
85	return -1;
86}
87
88
89
90int PartialRelation::GetColumnNumber (uint32 columnID)
91{
92	for (int i = 0; i < mNumberOfColumns; ++i) {
93		if (mColumnInfo[i].mColumnID == columnID)
94			return i;
95	}
96	return -1;
97}
98
99
100
101