findfile.cpp
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上传日期:2007-06-06
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文件大小:6k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 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
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (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.
- *
- * 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 "findfile.h"
- #if defined (_WINDOWS) || defined (_WIN32)
- #if !defined(WIN32_PLATFORM_PSPC)
- #include <dos.h>
- #endif /* !defined(WIN32_PLATFORM_PSPC) */
- #include "hlxclib/io.h"
- #include "platform/win/winff.h"
- #elif defined (_UNIX)
- #include "platform/unix/unixff.h"
- #elif defined (_SYMBIAN)
- #include "platform/symbian/symbianff.h"
- #elif defined (_OPENWAVE)
- #include "platform/openwave/opwaveff.h"
- #elif defined (_MACINTOSH)
- #include "platform/mac/macff.h"
- #endif
- #ifdef _UNIX
- #include <stdlib.h>
- #endif
- #include <string.h>
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- CFindFile*
- CFindFile::CreateFindFile( const char *path,
- const char *delimiter,
- const char *pattern,
- IUnknown** ppCommonObj)
- {
- CFindFile* pFindFile = NULL;
- #if defined (_WINDOWS) || defined (_WIN32)
- pFindFile = new CWinFindFile(path, delimiter, pattern);
- #elif defined (_UNIX)
- pFindFile = new CUnixFindFile(path, delimiter, pattern);
- #elif defined (_MACINTOSH)
- pFindFile = new CMacFindFile(path, delimiter, pattern);
- #elif defined (_SYMBIAN)
- pFindFile = new CSymbianFindFile(path, delimiter, pattern, ppCommonObj);
- #endif
- return pFindFile;
- }
- CFindFile::CFindFile ( const char *path,
- const char *delimiter,
- const char *pattern)
- {
- m_searchPathDelimiter = NULL;
- m_pattern = NULL;
- m_curFilename = NULL;
- m_pFilePath = NULL;
- if (path == NULL)
- return;
- m_searchPath = path;
- if (delimiter)
- {
- m_searchPathDelimiter = new char [ strlen (delimiter) + 1 ];
- strcpy (m_searchPathDelimiter, delimiter); /* Flawfinder: ignore */
- }
- if (pattern)
- {
- m_pattern = new char [ strlen (pattern) + 1 ];
- strcpy (m_pattern, pattern); /* Flawfinder: ignore */
- }
- m_curDir = NULL;
- m_started = FALSE;
- }
- CFindFile::~CFindFile()
- {
- if (m_searchPathDelimiter)
- delete [] m_searchPathDelimiter;
- if (m_pattern)
- delete [] m_pattern;
- if (m_curFilename)
- delete [] m_curFilename;
- if (m_pFilePath)
- delete [] m_pFilePath;
- }
- char *CFindFile::FindFirst ()
- {
- BOOL foundFirstDir = FALSE;
- if (OS_InitPattern () == FALSE)
- {
- return NULL;
- }
- if (m_searchPathDelimiter)
- {
- m_curDir = strtok ((char*) ((const char*) m_searchPath), m_searchPathDelimiter);
- }
- else
- {
- m_curDir = (char*) ((const char*) m_searchPath);
- }
- while (!foundFirstDir && m_curDir != NULL)
- {
- if (OS_OpenDirectory (m_curDir) == TRUE)
- {
- foundFirstDir = TRUE;
- }
- else
- {
- if (m_searchPathDelimiter)
- {
- m_curDir = strtok (NULL, m_searchPathDelimiter);
- }
- else
- {
- m_curDir = NULL;
- }
- }
- }
- if (foundFirstDir)
- {
- m_started = TRUE;
- return (FindNext ());
- }
- else
- {
- return NULL;
- }
- }
- char *CFindFile::FindNext ()
- {
- if (!m_started)
- {
- return NULL;
- }
- char *fname = NULL;
- BOOL doneWithDirs = FALSE;
- if (m_curFilename != NULL)
- {
- delete [] m_curFilename;
- m_curFilename = NULL;
- }
- // keep going until the file is found or we're out of
- // directories to search for it in.
- while (m_curFilename == NULL && doneWithDirs == FALSE)
- {
- fname = OS_GetNextFile();
- // if we've got a file, see if it's a match
- if (fname != NULL)
- {
- if (OS_FileMatchesPattern (fname))
- {
- m_curFilename = new char [ strlen (fname) + 1 ];
- strcpy (m_curFilename, fname); /* Flawfinder: ignore */
- }
- }
- // otherwise go on to the next directory
- else
- {
- if (m_searchPathDelimiter)
- {
- m_curDir = strtok (NULL, m_searchPathDelimiter);
- }
- else
- {
- m_curDir = NULL;
- }
- if (m_curDir != NULL)
- {
- // don't care if this fails; OS_GetNextFile() will
- // return null in that case
- OS_CloseDirectory ();
- doneWithDirs = (OS_OpenDirectory (m_curDir) == FALSE);
- }
- else
- {
- OS_CloseDirectory ();
- // were're out of tokens, so we're done
- doneWithDirs = TRUE;
- }
- }
- }
- if (m_curFilename)
- {
- if (m_pFilePath)
- {
- delete [] m_pFilePath;
- m_pFilePath = 0;
- }
- m_pFilePath = new char[ strlen(m_curFilename) + strlen(m_curDir) +
- strlen(OS_PATH_DELIMITER) + 1];
- if (!m_pFilePath)
- return NULL;
- strcpy(m_pFilePath, m_curDir); /* Flawfinder: ignore */
- if (memcmp(&m_curDir[strlen(m_curDir) - 1], OS_PATH_DELIMITER, 1))
- {
- strcat(m_pFilePath, OS_PATH_DELIMITER); /* Flawfinder: ignore */
- }
- strcat(m_pFilePath, m_curFilename); /* Flawfinder: ignore */
- }
- return (m_curFilename);
- }