2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined( INCLUDED_MODULESYSTEM_H )
23 #define INCLUDED_MODULESYSTEM_H
25 #include "globaldefs.h"
26 #include "generic/static.h"
27 #include "debugging/debugging.h"
30 #define RADIANT_DLLEXPORT __declspec(dllexport)
31 #define RADIANT_DLLIMPORT __declspec(dllimport)
33 #define RADIANT_DLLEXPORT __attribute__((visibility("default")))
34 #define RADIANT_DLLIMPORT
41 virtual void capture() = 0;
42 virtual void release() = 0;
43 virtual void* getTable() = 0;
46 inline void* Module_getTable( Module& module ){
47 return module.getTable();
50 class TextOutputStream;
51 class DebugMessageHandler;
59 virtual void visit( const char* name, Module& module ) const = 0;
62 virtual void setError( bool error ) = 0;
63 virtual bool getError() const = 0;
65 virtual TextOutputStream& getOutputStream() = 0;
66 virtual TextOutputStream& getErrorStream() = 0;
67 virtual DebugMessageHandler& getDebugMessageHandler() = 0;
69 virtual void registerModule( const char* type, int version, const char* name, Module& module ) = 0;
70 virtual Module* findModule( const char* type, int version, const char* name ) const = 0;
71 virtual void foreachModule( const char* type, int version, const Visitor& visitor ) = 0;
74 class ModuleServerHolder
76 ModuleServer* m_server;
81 void set( ModuleServer& server ){
89 typedef Static<ModuleServerHolder> GlobalModuleServer;
91 inline ModuleServer& globalModuleServer(){
92 return GlobalModuleServer::instance().get();
96 inline void initialiseModule( ModuleServer& server ){
97 GlobalErrorStream::instance().setOutputStream( server.getErrorStream() );
98 GlobalOutputStream::instance().setOutputStream( server.getOutputStream() );
99 GlobalDebugMessageHandler::instance().setHandler( server.getDebugMessageHandler() );
100 GlobalModuleServer::instance().set( server );
105 template<typename Type>
112 virtual void visit( const char* name, const Type& table ) const = 0;
115 virtual Type* findModule( const char* name ) = 0;
116 virtual void foreachModule( const Visitor& visitor ) = 0;
119 #include "debugging/debugging.h"
121 template<typename Type>
127 ModuleRef( const char* name ) : m_table( 0 ){
128 if ( !globalModuleServer().getError() ) {
129 m_module = globalModuleServer().findModule( typename Type::Name(), typename Type::Version(), name );
130 if ( m_module == 0 ) {
131 globalModuleServer().setError( true );
132 globalErrorStream() << "ModuleRef::initialise: type=" << makeQuoted( typename Type::Name() ) << " version=" << makeQuoted( typename Type::Version() ) << " name=" << makeQuoted( name ) << " - not found\n";
137 if ( !globalModuleServer().getError() ) {
138 m_table = static_cast<Type*>( m_module->getTable() );
144 if ( m_module != 0 ) {
150 ASSERT_MESSAGE( m_table != 0, "ModuleRef::getTable: type=" << makeQuoted( typename Type::Name() ) << " version=" << makeQuoted( typename Type::Version() ) << " - module-reference used without being initialised" );
156 template<typename Type>
157 class SingletonModuleRef
164 : m_module( 0 ), m_table( 0 ){
167 bool initialised() const {
168 return m_module != 0;
171 void initialise( const char* name ){
172 m_module = globalModuleServer().findModule( typename Type::Name(), typename Type::Version(), name );
173 if ( m_module == 0 ) {
174 globalModuleServer().setError( true );
175 globalErrorStream() << "SingletonModuleRef::initialise: type=" << makeQuoted( typename Type::Name() ) << " version=" << makeQuoted( typename Type::Version() ) << " name=" << makeQuoted( name ) << " - not found\n";
181 ASSERT_MESSAGE( m_table != 0, "SingletonModuleRef::getTable: type=" << makeQuoted( typename Type::Name() ) << " version=" << makeQuoted( typename Type::Version() ) << " - module-reference used without being initialised" );
186 if ( initialised() ) {
188 m_table = static_cast<Type*>( m_module->getTable() );
192 if ( initialised() ) {
198 template<typename Type>
201 static SingletonModuleRef<Type> m_instance;
203 static SingletonModuleRef<Type>& instance(){
206 static Type& getTable(){
207 return *m_instance.getTable();
212 SingletonModuleRef<Type> GlobalModule<Type>::m_instance;
215 template<typename Type>
216 class GlobalModuleRef
219 GlobalModuleRef( const char* name = "*" ){
220 if ( !globalModuleServer().getError() ) {
221 GlobalModule<Type>::instance().initialise( name );
223 GlobalModule<Type>::instance().capture();
226 GlobalModule<Type>::instance().release();
229 return GlobalModule<Type>::getTable();