resstr.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: resstr.cpp,v 1.5.36.3 2004/07/09 01:47:42 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxcom.h"
- #include "hxassert.h"
- #include "ResStr.h"
- #include "hxstrutl.h"
- #include "hxmullan.h" // Multipl-Language Support API
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- /*
- * Class static data
- */
- char *ResStr::m_pcNULL = "";
- /*
- * Class Constructors
- */
- // Default constructor
- ResStr::ResStr( void )
- {
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- DEBUGOUTSTR( "Called default contructorrn" );
- #endif
- m_iLen = 0;
- m_iResNum = 0;
- m_pcString = m_pcNULL;
- }
- // Initialized constructor
- ResStr::ResStr( UINT32 iResNum )
- {
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- char acBuffer[100]; /* Flawfinder: ignore */
- SafeSprintf( acBuffer, 100, "Called contructor w/ ResStr( %d )rn", iResNum );
- DEBUGOUTSTR( acBuffer );
- #endif
- // Initialize some instance variables
- m_iLen = 0;
- m_iResNum = 0;
- m_pcString = m_pcNULL;
- // This member will try to load the resource, but won't
- // disturb our member data if it fails.
- LoadStr( iResNum );
- }
- // Copy constructor
- ResStr::ResStr( const ResStr &theRes )
- {
- // Copy the data from theRes into the new ResStr
- m_iLen = theRes.m_iLen;
- m_iResNum = theRes.m_iResNum;
- m_pcString = new char[ m_iLen + 1 ];
- // This is a deep copy, so we duplicate the character data
- if (m_pcString)
- {
- SafeStrCpy( m_pcString, theRes.m_pcString, m_iLen+1 );
- }
- }
- /*
- * Class destructor
- *
- */
- ResStr::~ResStr( void )
- {
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- DEBUGOUTSTR( "Called desructorrn" );
- #endif
- if (m_pcString && (m_pcString != m_pcNULL))
- {
- delete [] m_pcString;
- }
- m_iLen = 0;
- m_iResNum = 0;
- m_pcString = NULL;
- return;
- }
- /*
- * Class public methods
- */
- // Assignment operator
- ResStr &ResStr::operator=( const ResStr &theRes )
- {
- char *pcBuffer;
- #ifndef _WIN32
- if (this == &theRes)
- {
- return( *this );
- }
- #endif
- pcBuffer = new char[ theRes.m_iLen + 1 ];
- if (m_pcString && (m_pcString != m_pcNULL))
- {
- delete [] m_pcString;
- }
- m_iLen = theRes.m_iLen;
- m_iResNum = theRes.m_iResNum;
- m_pcString = pcBuffer;
- SafeStrCpy( m_pcString, theRes.m_pcString, m_iLen+1 );
- return( *this );
- }
- // This method is used to get the object to load a Resource String
- BOOL ResStr::LoadStr( UINT32 iResNum )
- {
- UINT32 iLen;
- BOOL btRes;
- char *pcBuff;
- pcBuff = NULL;
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- char acBuffer[100]; /* Flawfinder: ignore */
- #endif
- // Get the resource size and allocate a buffer for it
- iLen = ResStr::GetResSize( iResNum );
- pcBuff = new char[ iLen ];
- if (!pcBuff)
- {
- goto FatalOut;
- }
- // Actually load the resource
- btRes = ResStr::LoadRes( iResNum, pcBuff, iLen );
- if (btRes)
- {
- m_iLen = ::strlen( pcBuff );
- m_iResNum = iResNum;
- if (m_pcString && (m_pcString != m_pcNULL))
- {
- delete [] m_pcString;
- }
- m_pcString = pcBuff;
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- SafeSprintf( acBuffer, 100, "Succeeded in loading resource as: *'%s'*rn", (LPSTR)pcBuff );
- DEBUGOUTSTR( acBuffer );
- #endif
- }
- else
- {
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- DEBUGOUTSTR( "Failed resource loadrn" );
- #endif
- goto FatalOut;
- }
- return( TRUE );
- FatalOut:
- if (pcBuff && (pcBuff != m_pcNULL))
- {
- delete [] pcBuff;
- }
- return( FALSE );
- }
- // This method initializes the object to load a Resource String, &
- // returns a pointer to the string.
- LPSTR ResStr::operator()( UINT32 iResNum )
- {
- if (iResNum && (iResNum != m_iResNum))
- {
- LoadStr( iResNum );
- }
- return( (LPSTR)m_pcString );
- }
- /*
- * Class Private functions
- * These functions are all used in the implementation, however we don't
- * want to expose the implementation to the caller. Hence they are Private.
- */
- // Returns an integer size guaranteed to be able to hold the string.
- UINT32 ResStr::GetResSize( UINT32 iRes )
- {
- // Turns out that we can't lookup the size of string resources
- // for some reason. So since we DO have a promise that these
- // strings are less than 255 bytes, we just return 256 to be safe.
- return( 256 );
- }
- // At the lowest level, this is what's used to load all resource
- // strings.
- BOOL ResStr::LoadRes( UINT32 iRes, char *pcBuffer, UINT32 iMax )
- {
- int iLoad;
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- char acBuffer[100]; /* Flawfinder: ignore */
- SafeSprintf( acBuffer, 100, "Attempting to load resource %drn", iRes );
- DEBUGOUTSTR( acBuffer );
- #endif
- iLoad = HXLoadString(HX_SAFEUINT(iRes), (LPSTR)pcBuffer, HX_SAFEINT(iMax));
- #if defined( _DEBUG ) && defined( DEBUG_CLASS )
- if (!iLoad)
- {
- DEBUGOUTSTR( "Failed string loadrn" );
- }
- #endif
- return( !!iLoad );
- }