/usr/include/pdal/PluginManager.hpp is in libpdal-dev 1.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2015, Bradley J Chambers (brad.chambers@gmail.com)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
// The PluginManager was modeled very closely after the work of Gigi Sayfan in
// the Dr. Dobbs article:
// http://www.drdobbs.com/cpp/building-your-own-plugin-framework-part/206503957
// The original work was released under the Apache License v2.
#pragma once
#include <pdal/Log.hpp>
#include <pdal/pdal_internal.hpp>
#include <pdal/plugin.hpp>
#include <map>
#include <memory>
#include <mutex>
#include <string>
#include <vector>
namespace pdal
{
class DynamicLibrary;
/*
* I think PluginManager can eventually be a private header, only accessible
* through the factories, but we'll leave it as public for now.
*/
class PDAL_DLL PluginManager
{
FRIEND_TEST(PluginManagerTest, SearchPaths);
typedef std::shared_ptr<DynamicLibrary> DynLibPtr;
typedef std::map<std::string, DynLibPtr> DynamicLibraryMap;
typedef std::vector<PF_ExitFunc> ExitFuncVec;
typedef std::map<std::string, PF_RegisterParams> RegistrationInfoMap;
public:
PluginManager();
~PluginManager();
static std::string description(const std::string& name);
static std::string link(const std::string& name);
static bool registerObject(const std::string& name,
const PF_RegisterParams *params);
static bool initializePlugin(PF_InitFunc initFunc);
static bool loadPlugin(const std::string& pluginFilename);
static void loadAll(int type);
static void *createObject(const std::string& objectType);
static StringList names(int typeMask);
static void setLog(LogPtr& log);
private:
// These functions return true if successful.
bool shutdown();
bool guessLoadByPath(const std::string & driverName);
bool loadByPath(const std::string & path, PF_PluginType type);
bool libraryLoaded(const std::string& path);
void loadAll(const std::string& pluginDirectory, int type);
bool l_initializePlugin(PF_InitFunc initFunc);
void *l_createObject(const std::string& objectType);
bool l_registerObject(const std::string& name,
const PF_RegisterParams *params);
bool l_loadPlugin(const std::string& pluginFilename);
void l_loadAll(int type);
StringList l_names(int typeMask);
std::string l_description(const std::string& name);
std::string l_link(const std::string& name);
DynamicLibrary *loadLibrary(const std::string& path,
std::string& errorString);
static StringList test_pluginSearchPaths();
PF_PluginAPI_Version m_version;
DynamicLibraryMap m_dynamicLibraryMap;
ExitFuncVec m_exitFuncVec;
RegistrationInfoMap m_plugins;
std::mutex m_mutex;
LogPtr m_log;
// Disable copy/assignment.
PluginManager(const PluginManager&);
PluginManager& operator=(const PluginManager&);
};
} // namespace pdal
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