var_manager.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * var_manager.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: var_manager.cpp 7561 2004-04-29 22:09:23Z asmax $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teuli鑢e <ipkiss@via.ecp.fr>
- *
- * This program 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.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "var_manager.hpp"
- VarManager::VarManager( intf_thread_t *pIntf ): SkinObject( pIntf ),
- m_tooltipText( pIntf ), m_helpText( pIntf )
- {
- }
- VarManager::~VarManager()
- {
- // Delete the variables in the reverse order they were added
- list<string>::const_iterator it1;
- for( it1 = m_varList.begin(); it1 != m_varList.end(); it1++ )
- {
- m_varMap.erase(*it1);
- }
- // Delete the anonymous variables
- while( !m_anonVarList.empty() )
- {
- m_anonVarList.pop_back();
- }
- }
- VarManager *VarManager::instance( intf_thread_t *pIntf )
- {
- if( ! pIntf->p_sys->p_varManager )
- {
- VarManager *pVarManager;
- pVarManager = new VarManager( pIntf );
- if( pVarManager )
- {
- pIntf->p_sys->p_varManager = pVarManager;
- }
- }
- return pIntf->p_sys->p_varManager;
- }
- void VarManager::destroy( intf_thread_t *pIntf )
- {
- if( pIntf->p_sys->p_varManager )
- {
- delete pIntf->p_sys->p_varManager;
- pIntf->p_sys->p_varManager = NULL;
- }
- }
- void VarManager::registerVar( const VariablePtr &rcVar, const string &rName )
- {
- m_varMap[rName] = rcVar;
- m_varList.push_front( rName );
- }
- void VarManager::registerVar( const VariablePtr &rcVar )
- {
- m_anonVarList.push_back( rcVar );
- }
- Variable *VarManager::getVar( const string &rName )
- {
- if( m_varMap.find( rName ) != m_varMap.end() )
- {
- return m_varMap[rName].get();
- }
- else
- {
- return NULL;
- }
- }
- Variable *VarManager::getVar( const string &rName, const string &rType )
- {
- if( m_varMap.find( rName ) != m_varMap.end() )
- {
- Variable *pVar = m_varMap[rName].get();
- // Check the variable type
- if( pVar->getType() != rType )
- {
- msg_Warn( getIntf(), "Variable %s has incorrect type (%s instead"
- " of (%s)", rName.c_str(), pVar->getType().c_str(),
- rType.c_str() );
- return NULL;
- }
- else
- {
- return pVar;
- }
- }
- else
- {
- return NULL;
- }
- }