macff_carbon.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: macff_carbon.cpp,v 1.4.32.3 2004/07/09 01:44:14 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 ***** */

#if !defined(_CARBON) && !defined(_MAC_UNIX)
#error requires Carbon
#endif

#include <string.h>
#include "platform/mac/macff.h"
#include "platform/mac/cfwrappers.h"
#include "platform/mac/fullpathname.h"

//static int pmatch(const char* pattern, const char* string);

CMacFindFile::CMacFindFile (	const char *path,
				const char *delimiter,
				const char *pattern) :
    CFindFile (path, delimiter, pattern)
{
	m_FSIterator = 0;
	m_pszOutFileName = NULL;
}

CMacFindFile::~CMacFindFile()
{
	OS_CloseDirectory();
}

//
// Open the directory; initialize the directory handle.
// Return FALSE if the directory couldn't be opened.
//
BOOL CMacFindFile::OS_OpenDirectory (const char *dirname)
{
	FSRef	dirRef;
	OSErr	err;

	OS_CloseDirectory(); // in case one was open

	// open an FSIterator for the supplied directory path

#ifdef _MAC_MACHO
	err = FSRefFromPosixPath(dirname, &dirRef);
#else
	err = FSRefFromHFSPath(dirname, &dirRef);
#endif
	require_noerr_quiet(err, CantGetRefForDirPath);

	err = FSOpenIterator(&dirRef, kFSIterateFlat, &m_FSIterator);
	require_noerr(err, CantMakeIterator);

	return TRUE;

CantMakeIterator:
CantGetRefForDirPath:
	return FALSE;
	
}

//
// release the directory
//
void CMacFindFile::OS_CloseDirectory ()
{
	HX_VECTOR_DELETE(m_pszOutFileName);
	
	if (m_FSIterator)
	{
		OSErr err;

		err = FSCloseIterator(m_FSIterator);
		check_noerr(err);

		m_FSIterator = 0;
	}

	return;
}

//
// Get the next file in the directory. Filters according to pattern
//
char* CMacFindFile::OS_GetNextFile()
{
	require_nonnull_return(m_FSIterator, NULL); // be sure OS_OpenDirectory happened

	OSErr err;
	ItemCount actualCount;
	HFSUniStr255 uniName;
	FSCatalogInfo catInfo;
	Boolean bIsDir;
	
	const ItemCount kWantOneItem = 1;
	Boolean * kDontCareIfContainerChanged = NULL;
	FSSpec * kDontWantFSSpecs = NULL;
	FSRef * kDontWantFSRefs = NULL;
	
	// reset our output string; we'll return nil if we fail, anyway
	HX_VECTOR_DELETE(m_pszOutFileName);

	// get an item, looping if we got a directory
	do
	{
		err = FSGetCatalogInfoBulk(m_FSIterator, 
			kWantOneItem, &actualCount,
			kDontCareIfContainerChanged,
			kFSCatInfoNodeFlags, &catInfo,
			kDontWantFSRefs, kDontWantFSSpecs, 
			&uniName);
			
		bIsDir = ((catInfo.nodeFlags & kFSNodeIsDirectoryMask) != 0);
                
#ifdef _MAC_MACHO
                if (!err && m_pattern)
                {
                    if (!strcmp(m_pattern, "*.bundle"))
                    {
                        // if we're looking for bundles let's assume we can
                        // call directories whose names end with ".bundle"
                        // files so plugin counters work.
                        CHXCFString str(uniName);
                        CFStringRef strR = str;
                        char buf[1024];
                        CFStringGetCString(strR, buf, 1023, kCFStringEncodingMacRoman);
                        
                        // xxxbobclark use a better way to figure out if it's really a bundle
                        
                        if (strstr(buf, ".bundle"))
                        {
                            bIsDir = false; // fake it because it's a bundle
                        }
                    }
                }
#endif
	} while (err == noErr && bIsDir);
	
	if (err == noErr)
	{
		// got a file; convert to a C-string and return a pointer
		
#ifdef _MAC_MACHO
                CHXCFString str(uniName);
                CFStringRef strR = str;
                char buf[1024];
                size_t bufSize = 1023;
                CFStringGetCString(strR, buf, bufSize, kCFStringEncodingMacRoman);
                CHXString strName(buf);
#else
                CHXString strName;
		
		strName.SetFromHFSUniStr255(uniName, CFStringGetSystemEncoding());
#endif
		
		m_pszOutFileName = new char[1 + strName.GetLength()];
		check_nonnull(m_pszOutFileName);
		
		if (m_pszOutFileName)
		{
			strcpy(m_pszOutFileName, (const char *) strName); /* Flawfinder: ignore */
		}
	}
	else
	{
		// no more found; return the nil pointer
	}
	
	return m_pszOutFileName;
}

BOOL CMacFindFile::OS_InitPattern ()
{
    return TRUE;
}

BOOL CMacFindFile::OS_FileMatchesPattern (const char * fname)
{
    return pmatch(m_pattern, fname);
}

void CMacFindFile::OS_FreePattern ()
{
    return;
}

// pmatch is copied from unixff.cpp...

/* 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.
 *
 */

int CMacFindFile::pmatch(const char* pattern, const char* string)
{
    const char *p, *q;
    char c;

    p = pattern;
    q = string;
    for (;;) {
	switch (c = *p++) {
	case '\0':
	    goto breakloop;
	case '?':
	    if (*q++ == '\0')
		return 0;
	break;
	case '*':
	    c = *p;
	    if (c != '?' && c != '*' && c != '[') {
		while (*q != c) {
		    if (*q == '\0')
			return 0;
		    q++;
		}
	    }
	    do {
		if (pmatch(p, q))
		    return 1;
	    } while (*q++ != '\0');
	return 0;
	case '[': {
		const char *endp;
		int invert, found;
		char chr;

		endp = p;
		if (*endp == '!')
			endp++;
		for (;;) {
			if (*endp == '\0')
				goto dft;		/* no matching ] */
			if (*++endp == ']')
				break;
		}
		invert = 0;
		if (*p == '!') {
			invert++;
			p++;
		}
		found = 0;
		chr = *q++;
		if (chr == '\0')
			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 != '\0')
	return 0;
    return 1;
}


// ------------------------------------------------------------------------------------
#ifdef _DEBUG
void CMacFindFile::TestFF(const char *directorypath, const char *pfilter)
{
	CFindFile*				pFileFinder =NULL;
	char * pszDllName;
	int count = 0;
	CHXString s1;
	Str255 s1Pasc;
	
	pFileFinder = CFindFile::CreateFindFile(directorypath, 0, pfilter);
	pszDllName = pFileFinder->FindFirst();
	while (pszDllName)
	{
		count ++;

		CHXString s2;
		s2.Format("%s: %d %s\r", pfilter, (short) count, pszDllName);
		if (s1.GetLength() + s2.GetLength() > 255)
		{
			s1.MakeStr255(s1Pasc);
			DebugStr(s1Pasc);
			s1.Empty();
		}
		s1 += s2;
	

		char *path = pFileFinder->GetCurFilePath();
		char *filename = pFileFinder->GetCurFilename();
		char *dirpath = pFileFinder->GetCurDirectory();
		
		pszDllName = pFileFinder->FindNext();
		
	}
	delete pFileFinder;

	s1.MakeStr255(s1Pasc);
	DebugStr(s1Pasc);
}
#endif