/usr/include/spatialindex/capi/CustomStorage.h is in libspatialindex-dev 1.8.5-5.
This file is owned by root:root, with mode 0o644.
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* Project: libsidx - A C API wrapper around libspatialindex
* Purpose: C++ object declarations to implement the custom storage manager.
* Author: Matthias (nitro), nitro@dr-code.org
******************************************************************************
* Copyright (c) 2010, Matthias (nitro)
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************/
#pragma once
#include "sidx_export.h"
namespace SpatialIndex
{
namespace StorageManager
{
struct SIDX_DLL 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 (*flushCallback)( 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 SIDX_DLL 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 flush();
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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