270 lines
7.4 KiB
C++
270 lines
7.4 KiB
C++
//
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// The developer of the original code and/or files is Tripwire, Inc.
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// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
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// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
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// reserved.
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//
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// This program is free software. The contents of this file are subject
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// to the terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2 of the License, or (at your
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// option) any later version. You may redistribute it and/or modify it
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// only in compliance with the GNU General Public License.
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//
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// This program is distributed in the hope that it will be useful.
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// However, this program is distributed AS-IS WITHOUT ANY
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// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
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// FOR A PARTICULAR PURPOSE. Please see the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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//
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// Nothing in the GNU General Public License or any other license to use
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// the code or files shall permit you to use Tripwire's trademarks,
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// service marks, or other intellectual property without Tripwire's
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// prior written consent.
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//
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// If you have any questions, please contact Tripwire, Inc. at either
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// info@tripwire.org or www.tripwire.org.
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//
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///////////////////////////////////////////////////////////////////////////////
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// genreswitcher.cpp
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//
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//=========================================================================
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// INCLUDES
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//=========================================================================
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#include "stdfco.h"
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#include "genreswitcher.h"
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#include "core/errorgeneral.h"
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#include "genreinfo.h"
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#include "core/errorutil.h"
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#if HAVE_STRINGS_H // for strcasecmp on RTEMS
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# include <strings.h>
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#endif
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//=========================================================================
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// STATIC MEMBERS
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//=========================================================================
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//=========================================================================
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// PUBLIC METHOD CODE
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//=========================================================================
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// use to get global instance of this class
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/* static */ cGenreSwitcher* cGenreSwitcher::GetInstance()
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{
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static cGenreSwitcher s_Instance;
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return &s_Instance;
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}
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cGenreSwitcher::cGenreSwitcher()
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: m_pDefaultGenre( NULL ),
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m_curGenre( cGenre::GENRE_INVALID )
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{
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}
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cGenreSwitcher::~cGenreSwitcher()
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{
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}
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// set the current genre
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// thows an eError if newGenre is invalid
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void cGenreSwitcher::SelectGenre( cGenre::Genre g )
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{
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iTWFactory::SetFactory( GetFactoryForGenre( g ) );
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m_curGenre = g;
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}
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cGenre::Genre cGenreSwitcher::CurrentGenre()
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{
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return m_curGenre;
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}
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cGenre::Genre cGenreSwitcher::GetDefaultGenre()
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{
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cGenre::Genre defGenre = cGenre::GENRE_INVALID;
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if( m_pDefaultGenre != NULL )
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defGenre = m_pDefaultGenre->m_ID;
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ASSERT( defGenre != cGenre::GENRE_INVALID );
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return defGenre;
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}
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void cGenreSwitcher::RegisterGenre( const cGenreInfo* pGI, RegisterFlags flags /* = REGISTER_FLAGS_NONE */ )
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{
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cDebug d("cGenreSwitcher::RegisterGenre");
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d.TraceDebug( _T("ID: %x, long name: %s, short name: %s\n"), pGI->m_ID, pGI->m_sLongName.c_str(), pGI->m_sShortName.c_str() );
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//
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// validate params
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//
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ASSERT( NULL != pGI );
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ASSERT( pGI->IsValid() );
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//
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// can only be one of each genre ID
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//
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if( m_vGenres.find( pGI ) != m_vGenres.end() )
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{
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// TODO: correct behavior? Should this be allowable/ignored?
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THROW_INTERNAL( "genreswitcher.cpp" ); // Attempt to register duplicate genre ID.
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}
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//
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// save genre info
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//
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m_vGenres.push_back( pGI );
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//
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// set default genre if appropriate
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//
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if( flags & REGISTER_FLAGS_DEFAULT )
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{
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// can only be one default genre
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// TODO: should we allow more than one lib to vie for default genre on a platform?
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if( NULL != m_pDefaultGenre )
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THROW_INTERNAL( "genreswitcher.cpp" ); // "Two genres claim default genre status." );
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// save as default genre
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m_pDefaultGenre = pGI;
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}
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}
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bool cGenreSwitcher::IsGenreRegistered( cGenre::Genre g )
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{
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return( m_vGenres.find( g ) != m_vGenres.end() );
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}
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bool cGenreSwitcher::IsGenreAppropriate( cGenre::Genre g )
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{
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#if IS_UNIX
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const uint32 platformMask = cGenre::PLATFORM_MASK_UNIX;
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#else
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#error who am I?
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#endif
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return( ( platformMask & g ) != 0 );
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}
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iTWFactory* cGenreSwitcher::GetFactoryForGenre( cGenre::Genre g )
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{
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cGenreInfoVec::const_iterator i = m_vGenres.find( g );
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if( i == m_vGenres.end() )
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{
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ThrowAndAssert( INTERNAL_ERROR( "Switch to invalid genre factory") );
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}
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ASSERT( (*i)->m_pFactory != NULL );
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return( (*i)->m_pFactory );
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}
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// Convert an enum to a string. Verbose flag specifies
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// whether to return "NTReg" or "NT Registry".
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const TCHAR* cGenreSwitcher::GenreToString( cGenre::Genre g, bool verbose)
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{
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cGenreInfoVec::const_iterator i = m_vGenres.find( g );
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if( i != m_vGenres.end() )
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{
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ASSERT( (*i)->m_ID != cGenre::GENRE_INVALID );
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return( verbose ? (*i)->m_sLongName.c_str() : (*i)->m_sShortName.c_str() );
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}
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// didn't recognize genre ID
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ASSERT( false );
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return( NULL );
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}
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// Narrow and wide character conversions. These functions will be
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// able to intelligently handle case sesitivity and verbose or narrow
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// versions of the string.
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// GENRE_INVALID will be returned on error.
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cGenre::Genre cGenreSwitcher::StringToGenre( const TCHAR* sz )
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{
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// must convert to TSTRING
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TSTRING sGenre( sz );
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cGenreInfoVec::const_iterator i = m_vGenres.find( sGenre );
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if( i != m_vGenres.end() )
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{
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return( (*i)->m_ID );
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}
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return( cGenre::GENRE_INVALID );
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}
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/* TODO: This is old code - dmb
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cGenre::Genre cGenreSwitcher::StringToGenre( const wchar_t* wsz )
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{
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// must convert to TSTRING
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TSTRING sGenre = cStringUtil::WstrToTstr( wsz );
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cGenreInfoVec::const_iterator i = _vGenres.find( sGenre );
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if( i != _vGenres.end() )
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{
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return( (*i)->_ID );
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}
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return( cGenre::GENRE_INVALID );
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}
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*/
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//=========================================================================
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// PRIVATE METHOD CODE
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//=========================================================================
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// returns true if there is a cGenreInfo stored in _vGenres that has an ID which
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// matches this pGI's ID
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cGenreInfoVec::const_iterator cGenreInfoVec::find( cGenre::Genre g ) const
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{
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const_iterator i;
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for( i = begin(); i != end(); i++ )
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{
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ASSERT( (*i)->m_ID != cGenre::GENRE_INVALID );
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if( g == (*i)->m_ID )
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return i;
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}
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return i;
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}
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cGenreInfoVec::const_iterator cGenreInfoVec::find( const cGenreInfo* pGI ) const
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{
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ASSERT( NULL != pGI );
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return( find( pGI->m_ID ) );
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}
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// sGenre can be either short or long name
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cGenreInfoVec::const_iterator cGenreInfoVec::find( const TSTRING& sGenre ) const
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{
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const_iterator i;
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for( i = begin(); i != end(); i++ )
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{
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ASSERT( (*i)->m_ID != cGenre::GENRE_INVALID );
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//
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// compare against long and short name
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//
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if (_tcsicmp(sGenre.c_str(), (*i)->m_sLongName.c_str()) == 0 ||
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_tcsicmp(sGenre.c_str(), (*i)->m_sShortName.c_str()) == 0)
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break;
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}
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return( i );
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}
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