/usr/include/tnt/comploader.h is in libtntnet-dev 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2003-2005 Tommi Maekitalo
*
* 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.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* 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
*/
#ifndef TNT_COMPLOADER_H
#define TNT_COMPLOADER_H
#include <cxxtools/smartptr.h>
#include <tnt/urlmapper.h>
#include <tnt/langlib.h>
#include <map>
#include <list>
#include <string>
#include <utility>
#include <dlfcn.h>
namespace tnt
{
class Comploader;
class ComponentFactory;
/// @internal
class LibraryNotFound
{
std::string libname;
public:
explicit LibraryNotFound(const std::string& libname_)
: libname(libname_)
{ }
const std::string& getLibname() const { return libname; }
};
template <typename objectType>
class Dlcloser
{
protected:
void destroy(objectType* ptr)
{
::dlclose(*ptr);
delete ptr;
}
};
class ComponentLibrary
{
friend class Comploader;
typedef void* HandleType;
typedef cxxtools::SmartPtr<HandleType, cxxtools::ExternalRefCounted, Dlcloser> HandlePointer;
HandlePointer handlePtr;
typedef std::map<std::string, ComponentFactory*> factoryMapType;
factoryMapType factoryMap;
std::string libname;
std::string path;
typedef std::map<std::string, LangLib::PtrType> langlibsType;
langlibsType langlibs;
void* dlopen(const std::string& name, bool local);
void init(const std::string& name, bool local);
public:
ComponentLibrary()
{ }
ComponentLibrary(const std::string& path_, const std::string& name, bool local)
: libname(name),
path(path_)
{ init(path_ + '/' + name, local); }
ComponentLibrary(const std::string& name, bool local)
: libname(name)
{ init(name, local); }
operator const void* () const { return handlePtr.getPointer(); }
Component* create(const std::string& component_name, Comploader& cl,
const Urlmapper& rootmapper);
LangLib::PtrType getLangLib(const std::string& lang);
const std::string& getName() const { return libname; }
void registerFactory(const std::string& component_name, ComponentFactory* factory)
{ factoryMap.insert(factoryMapType::value_type(component_name, factory)); }
};
class Comploader
{
typedef std::map<std::string, ComponentLibrary> librarymap_type;
typedef std::map<Compident, Component*> componentmap_type;
// loaded libraries
static librarymap_type& getLibrarymap();
// map soname/compname to compinstance
componentmap_type componentmap;
static ComponentLibrary::factoryMapType* currentFactoryMap;
public:
Component& fetchComp(const Compident& compident,
const Urlmapper& rootmapper = Urlmapper());
Component* createComp(const Compident& compident,
const Urlmapper& rootmapper);
const char* getLangData(const Compident& compident, const std::string& lang);
// lookup library; load if needed
ComponentLibrary& fetchLib(const std::string& libname);
static void registerFactory(const std::string& component_name, ComponentFactory* factory);
};
}
#endif // TNT_COMPLOADER_H
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