Mercurial > hg > orthanc-databases

comparison Framework/SQLite/SQLiteResult.cpp @ 0:7cea966b6829

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 04 Jul 2018 08:16:29 +0200
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children 714c5d2bee76
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-1:000000000000 0:7cea966b6829
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "SQLiteResult.h"
23
24 #include "../Common/BinaryStringValue.h"
25 #include "../Common/Integer64Value.h"
26 #include "../Common/NullValue.h"
27 #include "../Common/Utf8StringValue.h"
28
29 #include <Core/OrthancException.h>
30
31 namespace OrthancDatabases
32 {
33 SQLiteResult::SQLiteResult(SQLiteStatement& statement) :
34 statement_(statement)
35 {
36 if (statement_.GetObject().ColumnCount() < 0)
37 {
38 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
39 }
40 else
41 {
42 SetFieldsCount(statement_.GetObject().ColumnCount());
43 }
44
45 done_ = !statement_.GetObject().Step();
46 FetchFields();
47 }
48
49
50 IValue* SQLiteResult::FetchField(size_t index)
51 {
52 switch (statement_.GetObject().GetColumnType(index))
53 {
54 case Orthanc::SQLite::COLUMN_TYPE_INTEGER:
55 return new Integer64Value(statement_.GetObject().ColumnInt64(index));
56
57 case Orthanc::SQLite::COLUMN_TYPE_TEXT:
58 return new Utf8StringValue(statement_.GetObject().ColumnString(index));
59
60 case Orthanc::SQLite::COLUMN_TYPE_BLOB:
61 return new BinaryStringValue(statement_.GetObject().ColumnString(index));
62
63 case Orthanc::SQLite::COLUMN_TYPE_NULL:
64 return new NullValue;
65
66 case Orthanc::SQLite::COLUMN_TYPE_FLOAT:
67 default:
68 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
69 }
70 }
71
72
73 void SQLiteResult::Next()
74 {
75 if (done_)
76 {
77 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
78 }
79 else
80 {
81 done_ = !statement_.GetObject().Step();
82 FetchFields();
83 }
84 }
85 }