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

initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
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();
+    }
+  }
+}