/usr/include/spatialindex/capi/CustomStorage.h is in libspatialindex-dev 1.7.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: CustomStorage.h 1385 2009-06-17 13:45:16Z nitro $
*
* Project: libsidx - A C API wrapper around libspatialindex
* Purpose: C++ object declarations to implement the custom storage manager.
* Author: Matthias (nitro)
*
******************************************************************************
* Copyright (c) 2010, Matthias (nitro)
*
* All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
* This library 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#pragma once
namespace SpatialIndex
{
namespace StorageManager
{
struct CustomStorageManagerCallbacks
{
CustomStorageManagerCallbacks() : context(0), createCallback(0), destroyCallback(0), loadByteArrayCallback(0), storeByteArrayCallback(0), deleteByteArrayCallback(0)
{}
void* context;
void (*createCallback)( const void* context, int* errorCode );
void (*destroyCallback)( const void* context, int* errorCode );
void (*loadByteArrayCallback)( const void* context, const id_type page, uint32_t* len, byte** data, int* errorCode );
void (*storeByteArrayCallback)( const void* context, id_type* page, const uint32_t len, const byte* const data, int* errorCode );
void (*deleteByteArrayCallback)( const void* context, const id_type page, int* errorCode );
};
class CustomStorageManager : public SpatialIndex::IStorageManager
{
public:
// I'd like this to be an enum, but casting between enums and ints is not nice
static const int NoError = 0;
static const int InvalidPageError = 1;
static const int IllegalStateError = 2;
CustomStorageManager(Tools::PropertySet&);
virtual ~CustomStorageManager();
virtual void loadByteArray(const id_type page, uint32_t& len, byte** data);
virtual void storeByteArray(id_type& page, const uint32_t len, const byte* const data);
virtual void deleteByteArray(const id_type page);
private:
CustomStorageManagerCallbacks callbacks;
inline void processErrorCode(int errorCode, const id_type page);
}; // CustomStorageManager
// factory function
IStorageManager* returnCustomStorageManager(Tools::PropertySet& in);
}
}
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