- Written code for plugin management system, some code is missing (Matteo, please...)

- TODO Integrate this new plugin management system into the application

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@697 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
elvez 2006-07-03 18:29:44 +00:00
parent 7d62f4b937
commit fac2a08e26
6 changed files with 325 additions and 0 deletions

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@ -156,6 +156,9 @@ src_backend_libbackend_la_SOURCES = \
src/backend/global_preferences.cc \ src/backend/global_preferences.cc \
src/backend/history.cc \ src/backend/history.cc \
src/backend/history_observer.cc \ src/backend/history_observer.cc \
src/backend/invalid_plugin_exception.cc \
src/backend/module.cc \
src/backend/plugin_manager.cc \
src/backend/policies_gatekeeper.cc \ src/backend/policies_gatekeeper.cc \
src/backend/policy.cc \ src/backend/policy.cc \
src/backend/policy_manager.cc \ src/backend/policy_manager.cc \
@ -186,7 +189,10 @@ pkginclude_HEADERS += \
src/backend/global_preferences.hh \ src/backend/global_preferences.hh \
src/backend/history.hh \ src/backend/history.hh \
src/backend/history_observer.hh \ src/backend/history_observer.hh \
src/backend/invalid_plugin_exception.hh \
src/backend/module.hh \
src/backend/plugin.hh \ src/backend/plugin.hh \
src/backend/plugin_manager.hh \
src/backend/policies_gatekeeper.hh \ src/backend/policies_gatekeeper.hh \
src/backend/policy.hh \ src/backend/policy.hh \
src/backend/policy_manager.hh \ src/backend/policy_manager.hh \

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@ -0,0 +1,38 @@
// src/backend/invalid_plugin_exception.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef INVALID_PLUGIN_EXCEPTION_HH
#define INVALID_PLUGIN_EXCEPTION_HH 1
#include "config.h"
#include <stdexcept>
namespace sgpem
{
class InvalidPluginException : std::runtime_error
{
public:
InvalidPluginException(const std::string& what);
}; //~ class InvalidPluginException
} //~ namespace sgpem
#endif

74
src/backend/module.cc Normal file
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@ -0,0 +1,74 @@
// src/backend/module.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "config.h"
#include "module.hh"
using namespace sgpem;
Module::Module(const Glib::ustring& identifier) throw(InvalidPluginException) :
Glib::Module(identifier), _enabled(false), _id(identifier)
{
//FIXME Don't know what to doh!!!
throw InvalidPluginException(Glib::Module::get_last_error());
}
void
Module::set_enabled(bool enabled)
{
//FIXME Don't know what to doh!!!
_enabled = enabled;
}
Glib::ustring
Module::get_name() const
{
//FIXME Don't know what to doh!!!
return "doh!";
}
Glib::ustring
Module::get_author() const
{
//FIXME Don't know what to doh!!!
return "doh! doh!";
}
Glib::ustring
Module::describe() const
{
//FIXME Don't know what to doh!!!
return "homer insists in saying doh!";
}
float
Module::get_version() const
{
//FIXME Don't know what to doh!!!
return -1.0f;
}
bool
Module::get_enabled() const
{
return _enabled;
}

61
src/backend/module.hh Normal file
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@ -0,0 +1,61 @@
// src/backend/module.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef MODULE_HH
#define MODULE_HH 1
#include "config.h"
#include "invalid_plugin_exception.hh"
#include <glibmm/module.h>
#include <glibmm/ustring.h>
namespace sgpem
{
class Module;
class Module : public Glib::Module
{
public:
Module(const Glib::ustring& identifier) throw(InvalidPluginException);
void set_enabled(bool enabled = true);
Glib::ustring get_name() const;
Glib::ustring get_author() const;
Glib::ustring describe() const;
float get_version() const;
bool get_enabled() const;
private:
bool _enabled;
Glib::ustring _id;
}; //~ class Module
} //~ namespace sgpem
#endif

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@ -0,0 +1,89 @@
// src/backend/plugin_manager.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "config.h"
#include "plugin_manager.hh"
#include "module.hh"
#include "global_preferences.hh"
#include "singleton.tcc"
#include <glibmm/fileutils.h>
#include <iostream>
using namespace sgpem;
using namespace std;
template class Singleton<PluginManager>;
std::vector<Module*>
PluginManager::get_module_list() const
{
return _modules;
}
void
PluginManager::rescan_dirs()
{
Module* module = NULL;
for_each(_modules.begin(), _modules.end(), ptr_fun(operator delete));
_modules.clear();
GlobalPreferences& prefs = GlobalPreferences::get_instance();
GlobalPreferences::dir_iterator it = prefs.modules_dir_begin();
while(it != prefs.modules_dir_end())
{
Glib::Dir dir(*it);
for(Glib::DirIterator dir_it = dir.begin(); dir_it != dir.end(); ++dir_it)
{
std::string module_path = Module::build_path(*it, *dir_it);
try
{
module = new Module(module_path);
if(*module)
_modules.push_back(module);
else
{
std::cerr << Glib::Module::get_last_error() << std::endl;
delete module;
}
}
catch(InvalidPluginException e)
{
}
}
it++;
}
}
PluginManager::PluginManager()
{
rescan_dirs();
}

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@ -0,0 +1,57 @@
// src/backend/plugin_manager.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef PLUGIN_MANAGER_HH
#define PLUGIN_MANAGER_HH 1
namespace sgpem
{
class Module;
}
#include "config.h"
#include "singleton.hh"
#include <vector>
namespace sgpem
{
class PluginManager;
class PluginManager : public Singleton<PluginManager>
{
friend class Singleton<PluginManager>;
public:
std::vector<Module*> get_module_list() const;
void rescan_dirs();
private:
PluginManager();
std::vector<Module*> _modules;
}; //~ class PluginManager
} //~ namespace sgpem
#endif