260 lines
7.2 KiB
C++
260 lines
7.2 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) 2000-2018 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() : m_pDefaultGenre(NULL), 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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ASSERT(NULL != pGI);
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ASSERT(pGI->IsValid());
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d.TraceDebug(
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_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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// 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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const uint32_t platformMask = cGenre::PLATFORM_MASK_UNIX;
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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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