Add action for downloading and parsing well log from OSDU Wellbore DDMS.

ApplicationLibCode/FileInterface/RifByteArrayArrowRandomAccessFile.cpp

@@ -0,0 +1,107 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2024-     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight 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 General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RifByteArrayArrowRandomAccessFile.h"
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RifByteArrayArrowRandomAccessFile::RifByteArrayArrowRandomAccessFile( const QByteArray& data )
+    : m_data( data )
+    , m_position( 0 )
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Result<int64_t> RifByteArrayArrowRandomAccessFile::ReadAt( int64_t position, int64_t nbytes, void* out )
+{
+    if ( nbytes > 0 )
+    {
+        memcpy( out, m_data.data() + position, static_cast<size_t>( nbytes ) );
+        m_position += nbytes;
+    }
+    return nbytes;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Result<std::shared_ptr<arrow::Buffer>> RifByteArrayArrowRandomAccessFile::ReadAt( int64_t position, int64_t nbytes )
+{
+    return std::make_shared<arrow::Buffer>( (const uint8_t*)m_data.data() + position, nbytes );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Result<int64_t> RifByteArrayArrowRandomAccessFile::Read( int64_t nbytes, void* out )
+{
+    return ReadAt( m_position, nbytes, out );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Result<std::shared_ptr<arrow::Buffer>> RifByteArrayArrowRandomAccessFile::Read( int64_t nbytes )
+{
+    return ReadAt( m_position, nbytes );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Result<int64_t> RifByteArrayArrowRandomAccessFile::GetSize()
+{
+    return m_data.size();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Result<int64_t> RifByteArrayArrowRandomAccessFile::Tell() const
+{
+    return m_position;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Status RifByteArrayArrowRandomAccessFile::Seek( int64_t position )
+{
+    m_position = position;
+    return arrow::Status::OK();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+arrow::Status RifByteArrayArrowRandomAccessFile::Close()
+{
+    m_closed = true;
+    return arrow::Status::OK();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RifByteArrayArrowRandomAccessFile::closed() const
+{
+    return m_closed;
+}