unixff.cpp
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:7k
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: unixff.cpp,v 1.1.1.1.50.3 2004/07/09 01:44:23 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 and/or licensor 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 ***** */
- /* Parts of pmatch() are copyright: */
- /*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
- #include <stdlib.h>
- #include <string.h>
- #include "findfile.h"
- #include "platform/unix/unixff.h"
- CUnixFindFile::CUnixFindFile ( const char *path,
- const char *delimiter,
- const char *pattern) :
- CFindFile (path, delimiter, pattern)
- {
- // initialize platform-specific variables
- m_dirHandle = NULL;
- m_dirEntry = NULL;
- }
- CUnixFindFile::~CUnixFindFile()
- {
- if (m_dirHandle != NULL)
- {
- OS_CloseDirectory();
- }
- }
- //
- // Open the directory; initialize the directory handle.
- // Return FALSE if the directory couldn't be opened.
- //
- BOOL CUnixFindFile::OS_OpenDirectory (const char *dirname)
- {
- // don't call this before calling CloseDirectory()!
- if (m_dirHandle != NULL)
- return FALSE;
- m_dirHandle = opendir (dirname);
- return (m_dirHandle == NULL ? FALSE:TRUE);
- }
- //
- // Get the next file in the directory. This *does not*
- // filter out based on the pattern; every file is returned.
- //
- char* CUnixFindFile::OS_GetNextFile()
- {
- if (!m_dirHandle)
- return NULL;
- m_dirEntry = readdir (m_dirHandle);
- if (m_dirEntry != NULL)
- return (m_dirEntry->d_name);
- else
- return NULL;
- }
- //
- // release the directory
- //
- void CUnixFindFile::OS_CloseDirectory ()
- {
- if (m_dirHandle)
- closedir (m_dirHandle);
- m_dirHandle = NULL;
- }
- BOOL CUnixFindFile::OS_InitPattern ()
- {
- return (TRUE);
- }
- static int
- pmatch(const char* pattern, const char* string)
- {
- const char *p, *q;
- char c;
- p = pattern;
- q = string;
- for (;;) {
- switch (c = *p++) {
- case ' ':
- goto breakloop;
- case '?':
- if (*q++ == ' ')
- return 0;
- break;
- case '*':
- c = *p;
- if (c != '?' && c != '*' && c != '[') {
- while (*q != c) {
- if (*q == ' ')
- return 0;
- q++;
- }
- }
- do {
- if (pmatch(p, q))
- return 1;
- } while (*q++ != ' ');
- return 0;
- case '[': {
- const char *endp;
- int invert, found;
- char chr;
- endp = p;
- if (*endp == '!')
- endp++;
- for (;;) {
- if (*endp == ' ')
- goto dft; /* no matching ] */
- if (*++endp == ']')
- break;
- }
- invert = 0;
- if (*p == '!') {
- invert++;
- p++;
- }
- found = 0;
- chr = *q++;
- if (chr == ' ')
- return 0;
- c = *p++;
- do {
- if (*p == '-' && p[1] != ']') {
- p++;
- #if 0
- if ( collate_range_cmp(chr, c) >= 0
- && collate_range_cmp(chr, *p) <= 0
- )
- found = 1;
- #endif
- p++;
- } else {
- if (chr == c)
- found = 1;
- }
- } while ((c = *p++) != ']');
- if (found == invert)
- return 0;
- break;
- }
- dft:
- default:
- if (*q++ != c)
- return 0;
- break;
- }
- }
- breakloop:
- if (*q != ' ')
- return 0;
- return 1;
- }
- BOOL CUnixFindFile::OS_FileMatchesPattern (const char * fname)
- {
- return pmatch(m_pattern, fname);
- }
- void CUnixFindFile::OS_FreePattern ()
- {
- }