simplepattern.cpp revision ad27e1d5e48ca41245120c331cc88b50464813ce
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * IPRT - RTStrSimplePattern.
e64031e20c39650a7bc902a3e1aba613b9415deevboxsync * Copyright (C) 2006-2008 Oracle Corporation
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * available from http://www.virtualbox.org. This file is free software;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * you can redistribute it and/or modify it under the terms of the GNU
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * General Public License (GPL) as published by the Free Software
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * The contents of this file may alternatively be used under the terms
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * of the Common Development and Distribution License Version 1.0
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * VirtualBox OSE distribution, in which case the provisions of the
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * CDDL are applicable instead of those of the GPL.
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * You may elect to license modified versions of this file under the
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * terms and conditions of either the GPL or the CDDL or both.
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync/*******************************************************************************
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync* Header Files *
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync*******************************************************************************/
c02a859e84d50ed6695d80fad89430578a1ed874vboxsyncRTDECL(bool) RTStrSimplePatternMatch(const char *pszPattern, const char *pszString)
7b59cb8fff8a3254a34a69a11d49b537c6226069vboxsync return RTStrSimplePatternNMatch(pszPattern, RTSTR_MAX, pszString, RTSTR_MAX);
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* ASSUMES ASCII / UTF-8 */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
ad27e1d5e48ca41245120c331cc88b50464813cevboxsync /* collapse '*' and '?', they are superfluous */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync while ((chPat = *++pszPattern) == '*' || chPat == '?')
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* nothing */;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* if no more pattern, we're done now. */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return true;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* find chPat in the string and try get a match on the remaining pattern. */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync && RTStrSimplePatternMatch(pszPattern + 1, pszString))
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return true;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* won't ever get here */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsyncRTDECL(bool) RTStrSimplePatternNMatch(const char *pszPattern, size_t cchPattern,
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* ASSUMES ASCII / UTF-8 */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
ad27e1d5e48ca41245120c331cc88b50464813cevboxsync /* Collapse '*' and '?', they are superfluous. End of the pattern == match. */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return true;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return true;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* Find chPat in the string and try get a match on the remaining pattern. */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync && RTStrSimplePatternNMatch(pszPattern + 1, cchPattern - 1, pszString, cchString))
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return true;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* won't ever get here */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* advance */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsyncRTDECL(bool) RTStrSimplePatternMultiMatch(const char *pszPatterns, size_t cchPatterns,
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * Find the end of the current pattern.
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync while (cchPatterns && (ch = *pszEnd) != '\0' && ch != '|')
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync * Try match it.
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync if (RTStrSimplePatternNMatch(pszCur, pszEnd - pszCur, pszString, cchString))
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return true;
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync /* advance */
c02a859e84d50ed6695d80fad89430578a1ed874vboxsync return false;