Mercurial > hg > orthanc-databases
diff Framework/SQLite/SQLiteResult.cpp @ 0:7cea966b6829
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jul 2018 08:16:29 +0200 |
parents | |
children | 714c5d2bee76 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/SQLite/SQLiteResult.cpp Wed Jul 04 08:16:29 2018 +0200 @@ -0,0 +1,85 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "SQLiteResult.h" + +#include "../Common/BinaryStringValue.h" +#include "../Common/Integer64Value.h" +#include "../Common/NullValue.h" +#include "../Common/Utf8StringValue.h" + +#include <Core/OrthancException.h> + +namespace OrthancDatabases +{ + SQLiteResult::SQLiteResult(SQLiteStatement& statement) : + statement_(statement) + { + if (statement_.GetObject().ColumnCount() < 0) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + else + { + SetFieldsCount(statement_.GetObject().ColumnCount()); + } + + done_ = !statement_.GetObject().Step(); + FetchFields(); + } + + + IValue* SQLiteResult::FetchField(size_t index) + { + switch (statement_.GetObject().GetColumnType(index)) + { + case Orthanc::SQLite::COLUMN_TYPE_INTEGER: + return new Integer64Value(statement_.GetObject().ColumnInt64(index)); + + case Orthanc::SQLite::COLUMN_TYPE_TEXT: + return new Utf8StringValue(statement_.GetObject().ColumnString(index)); + + case Orthanc::SQLite::COLUMN_TYPE_BLOB: + return new BinaryStringValue(statement_.GetObject().ColumnString(index)); + + case Orthanc::SQLite::COLUMN_TYPE_NULL: + return new NullValue; + + case Orthanc::SQLite::COLUMN_TYPE_FLOAT: + default: + throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); + } + } + + + void SQLiteResult::Next() + { + if (done_) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); + } + else + { + done_ = !statement_.GetObject().Step(); + FetchFields(); + } + } +}