+++ /dev/null
-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#if !defined(INCLUDED_MODULESYSTEM_H)
-#define INCLUDED_MODULESYSTEM_H
-
-#include "generic/static.h"
-#include "debugging/debugging.h"
-
-#if defined(WIN32)
-#ifdef MINGW32
-#define RADIANT_DLLEXPORT __declspec(dllexport)
-#define RADIANT_DLLIMPORT __declspec(dllimport)
-#else
-#define RADIANT_DLLEXPORT __stdcall
-#define RADIANT_DLLIMPORT __stdcall
-#endif
-#else
-#define RADIANT_DLLEXPORT
-#define RADIANT_DLLIMPORT
-#endif
-
-
-class Module
-{
-public:
- virtual void capture() = 0;
- virtual void release() = 0;
- virtual void* getTable() = 0;
-};
-
-inline void* Module_getTable(Module& module)
-{
- return module.getTable();
-}
-
-class TextOutputStream;
-class DebugMessageHandler;
-
-class ModuleServer
-{
-public:
- class Visitor
- {
- public:
- virtual void visit(const char* name, Module& module) const = 0;
- };
-
- virtual void setError(bool error) = 0;
- virtual bool getError() const = 0;
-
- virtual TextOutputStream& getOutputStream() = 0;
- virtual TextOutputStream& getErrorStream() = 0;
- virtual DebugMessageHandler& getDebugMessageHandler() = 0;
-
- virtual void registerModule(const char* type, int version, const char* name, Module& module) = 0;
- virtual Module* findModule(const char* type, int version, const char* name) const = 0;
- virtual void foreachModule(const char* type, int version, const Visitor& visitor) = 0;
-};
-
-class ModuleServerHolder
-{
- ModuleServer* m_server;
-public:
- ModuleServerHolder()
- : m_server(0)
- {
- }
- void set(ModuleServer& server)
- {
- m_server = &server;
- }
- ModuleServer& get()
- {
- return *m_server;
- }
-};
-
-typedef Static<ModuleServerHolder> GlobalModuleServer;
-
-inline ModuleServer& globalModuleServer()
-{
- return GlobalModuleServer::instance().get();
-}
-
-
-inline void initialiseModule(ModuleServer& server)
-{
- GlobalErrorStream::instance().setOutputStream(server.getErrorStream());
- GlobalOutputStream::instance().setOutputStream(server.getOutputStream());
- GlobalDebugMessageHandler::instance().setHandler(server.getDebugMessageHandler());
- GlobalModuleServer::instance().set(server);
-}
-
-
-
-template<typename Type>
-class Modules
-{
-public:
- class Visitor
- {
- public:
- virtual void visit(const char* name, const Type& table) const = 0;
- };
-
- virtual Type* findModule(const char* name) = 0;
- virtual void foreachModule(const Visitor& visitor) = 0;
-};
-
-#include "debugging/debugging.h"
-
-template<typename Type>
-class ModuleRef
-{
- Module* m_module;
- Type* m_table;
-public:
- ModuleRef(const char* name) : m_table(0)
- {
- if(!globalModuleServer().getError())
- {
- m_module = globalModuleServer().findModule(typename Type::Name(), typename Type::Version(), name);
- if(m_module == 0)
- {
- globalModuleServer().setError(true);
- globalErrorStream() << "ModuleRef::initialise: type=" << makeQuoted(typename Type::Name()) << " version=" << makeQuoted(typename Type::Version()) << " name=" << makeQuoted(name) << " - not found\n";
- }
- else
- {
- m_module->capture();
- if(!globalModuleServer().getError())
- {
- m_table = static_cast<Type*>(m_module->getTable());
- }
- }
- }
- }
- ~ModuleRef()
- {
- if(m_module != 0)
- {
- m_module->release();
- }
- }
- Type* getTable()
- {
-#if defined(_DEBUG)
- ASSERT_MESSAGE(m_table != 0, "ModuleRef::getTable: type=" << makeQuoted(typename Type::Name()) << " version=" << makeQuoted(typename Type::Version()) << " - module-reference used without being initialised");
-#endif
- return m_table;
- }
-};
-
-template<typename Type>
-class SingletonModuleRef
-{
- Module* m_module;
- Type* m_table;
-public:
-
- SingletonModuleRef()
- : m_module(0), m_table(0)
- {
- }
-
- bool initialised() const
- {
- return m_module != 0;
- }
-
- void initialise(const char* name)
- {
- m_module = globalModuleServer().findModule(typename Type::Name(), typename Type::Version(), name);
- if(m_module == 0)
- {
- globalModuleServer().setError(true);
- globalErrorStream() << "SingletonModuleRef::initialise: type=" << makeQuoted(typename Type::Name()) << " version=" << makeQuoted(typename Type::Version()) << " name=" << makeQuoted(name) << " - not found\n";
- }
- }
-
- Type* getTable()
- {
-#if defined(_DEBUG)
- ASSERT_MESSAGE(m_table != 0, "SingletonModuleRef::getTable: type=" << makeQuoted(typename Type::Name()) << " version=" << makeQuoted(typename Type::Version()) << " - module-reference used without being initialised");
-#endif
- return m_table;
- }
- void capture()
- {
- if(initialised())
- {
- m_module->capture();
- m_table = static_cast<Type*>(m_module->getTable());
- }
- }
- void release()
- {
- if(initialised())
- {
- m_module->release();
- }
- }
-};
-
-template<typename Type>
-class GlobalModule
-{
- static SingletonModuleRef<Type> m_instance;
-public:
- static SingletonModuleRef<Type>& instance()
- {
- return m_instance;
- }
- static Type& getTable()
- {
- return *m_instance.getTable();
- }
-};
-
-template<class Type>
-SingletonModuleRef<Type> GlobalModule<Type>::m_instance;
-
-
-template<typename Type>
-class GlobalModuleRef
-{
-public:
- GlobalModuleRef(const char* name = "*")
- {
- if(!globalModuleServer().getError())
- {
- GlobalModule<Type>::instance().initialise(name);
- }
- GlobalModule<Type>::instance().capture();
- }
- ~GlobalModuleRef()
- {
- GlobalModule<Type>::instance().release();
- }
- Type& getTable()
- {
- return GlobalModule<Type>::getTable();
- }
-};
-
-#endif