1 |
nigel |
1.1 |
/* |
2 |
cebix |
1.3 |
* $Id: extfs_macosx.mm,v 1.2 2002/03/18 11:05:43 nigel Exp $ |
3 |
nigel |
1.1 |
* |
4 |
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* extfs_macosx.mm - Access Mac OS X Finder and resource information (using Carbon calls). |
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* Based on: |
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* |
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* extfs_unix.cpp - MacOS file system for access native file system access, Unix specific stuff |
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* |
9 |
cebix |
1.3 |
* Basilisk II (C) 1997-2004 Christian Bauer |
10 |
nigel |
1.1 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <dirent.h> |
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#include <errno.h> |
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#include "sysdeps.h" |
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#include "extfs_macosx.h" |
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#include "extfs.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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// Default Finder flags |
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const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited; |
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46 |
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/* |
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* Initialization |
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*/ |
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void extfs_init(void) |
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{ |
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} |
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/* |
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* Deinitialization |
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*/ |
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void extfs_exit(void) |
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{ |
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} |
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/* |
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* Add component to path name |
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*/ |
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void add_path_component(char *path, const char *component) |
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{ |
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int l = strlen(path); |
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if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') { |
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path[l] = '/'; |
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path[l+1] = 0; |
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} |
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strncat(path, component, MAX_PATH_LENGTH-1); |
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} |
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/* |
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nigel |
1.2 |
* Add /rsrc to path name. Note that the 'correct' way to do this is to |
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* append '/..namedfork/rsrc', but I use this short form to save chars. |
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nigel |
1.1 |
*/ |
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void add_rsrc(const char *path, char *dest) |
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{ |
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int l = strlen(path); |
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if ( l > MAX_PATH_LENGTH-5 ) // If there is no room to add "rsrc\0" |
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return; |
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*dest = '\0'; |
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strncat(dest, path, l); |
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if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') { |
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dest[l] = '/'; |
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dest[l+1] = 0; |
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} |
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strcat(dest, "rsrc"); |
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} |
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/* |
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* Resource forks on Mac OS X are kept on a UFS volume as /path/file/rsrc |
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* |
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* On HFS volumes, there is of course the data and rsrc fork, but the Darwin |
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* filesystem layer presents the resource fork using the above psuedo path |
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*/ |
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static int open_rsrc(const char *path, int flag) |
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{ |
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char path_rsrc[MAX_PATH_LENGTH]; |
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add_rsrc(path, path_rsrc); |
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return open(path_rsrc, flag); |
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} |
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/* |
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* Finder info is a little bit harder. We need to use Carbon library calls to access them |
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*/ |
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/* |
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* Get/set finder info for file/directory specified by full path |
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*/ |
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struct ext2type { |
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const char *ext; |
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uint32 type; |
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uint32 creator; |
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}; |
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static const ext2type e2t_translation[] = { |
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{".Z", FOURCC('Z','I','V','M'), FOURCC('L','Z','I','V')}, |
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{".gz", FOURCC('G','z','i','p'), FOURCC('G','z','i','p')}, |
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{".hqx", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
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{".bin", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
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{".pdf", FOURCC('P','D','F',' '), FOURCC('C','A','R','O')}, |
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{".ps", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')}, |
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{".sit", FOURCC('S','I','T','!'), FOURCC('S','I','T','x')}, |
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{".tar", FOURCC('T','A','R','F'), FOURCC('T','A','R',' ')}, |
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{".uu", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
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{".uue", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
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{".zip", FOURCC('Z','I','P',' '), FOURCC('Z','I','P',' ')}, |
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{".8svx", FOURCC('8','S','V','X'), FOURCC('S','N','D','M')}, |
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{".aifc", FOURCC('A','I','F','C'), FOURCC('T','V','O','D')}, |
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{".aiff", FOURCC('A','I','F','F'), FOURCC('T','V','O','D')}, |
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{".au", FOURCC('U','L','A','W'), FOURCC('T','V','O','D')}, |
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{".mid", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')}, |
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{".midi", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')}, |
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{".mp2", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')}, |
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{".mp3", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')}, |
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{".wav", FOURCC('W','A','V','E'), FOURCC('T','V','O','D')}, |
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{".bmp", FOURCC('B','M','P','f'), FOURCC('o','g','l','e')}, |
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{".gif", FOURCC('G','I','F','f'), FOURCC('o','g','l','e')}, |
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{".lbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')}, |
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{".ilbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')}, |
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{".jpg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')}, |
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{".jpeg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')}, |
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{".pict", FOURCC('P','I','C','T'), FOURCC('o','g','l','e')}, |
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{".png", FOURCC('P','N','G','f'), FOURCC('o','g','l','e')}, |
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{".sgi", FOURCC('.','S','G','I'), FOURCC('o','g','l','e')}, |
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{".tga", FOURCC('T','P','I','C'), FOURCC('o','g','l','e')}, |
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{".tif", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')}, |
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{".tiff", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')}, |
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{".htm", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')}, |
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{".html", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')}, |
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{".txt", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')}, |
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{".rtf", FOURCC('T','E','X','T'), FOURCC('M','S','W','D')}, |
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{".c", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".C", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".cc", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".cpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".cxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".h", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".hh", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".hpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".hxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".s", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".S", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".i", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
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{".mpg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')}, |
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{".mpeg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')}, |
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{".mov", FOURCC('M','o','o','V'), FOURCC('T','V','O','D')}, |
184 |
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{".fli", FOURCC('F','L','I',' '), FOURCC('T','V','O','D')}, |
185 |
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{".avi", FOURCC('V','f','W',' '), FOURCC('T','V','O','D')}, |
186 |
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{".qxd", FOURCC('X','D','O','C'), FOURCC('X','P','R','3')}, |
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{".hfv", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')}, |
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{".dsk", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')}, |
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{".img", FOURCC('r','o','h','d'), FOURCC('d','d','s','k')}, |
190 |
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{NULL, 0, 0} // End marker |
191 |
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}; |
192 |
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193 |
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// Mac OS X way of doing the above |
194 |
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195 |
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#import <Foundation/NSString.h> |
196 |
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197 |
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extern "C" |
198 |
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{ |
199 |
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NSString *NSHFSTypeOfFile (const NSString *); |
200 |
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uint32 NSHFSTypeCodeFromFileType (const NSString *); // Actually returns an OSType |
201 |
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} |
202 |
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203 |
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uint32 fileType (const char *cPath) |
204 |
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{ |
205 |
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NSString *copy = [NSString stringWithCString: cPath], |
206 |
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*type = NSHFSTypeOfFile(copy); |
207 |
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208 |
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if ( type == nil ) |
209 |
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{ |
210 |
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D(NSLog(@"No type for file %s", cPath)); |
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return 0; // Should this be '????' or ' ' ? |
212 |
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} |
213 |
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214 |
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D(NSLog(@"Got type %@ for %s", type, cPath)); |
215 |
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return NSHFSTypeCodeFromFileType(type); |
216 |
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} |
217 |
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218 |
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219 |
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void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir) |
220 |
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{ |
221 |
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FSRef fsRef; |
222 |
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int32 status; |
223 |
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224 |
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// Set default finder info |
225 |
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Mac_memset(finfo, 0, SIZEOF_FInfo); |
226 |
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if (fxinfo) |
227 |
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Mac_memset(fxinfo, 0, SIZEOF_FXInfo); |
228 |
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WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS); |
229 |
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WriteMacInt32(finfo + fdLocation, (uint32)-1); |
230 |
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231 |
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status = FSPathMakeRef((const uint8 *)path, &fsRef, NULL); |
232 |
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if ( status == noErr ) |
233 |
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{ |
234 |
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FSCatalogInfo cInfo; |
235 |
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uint32 AllFinderInfo = kFSCatInfoFinderInfo + kFSCatInfoFinderXInfo; |
236 |
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237 |
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status = FSGetCatalogInfo(&fsRef, AllFinderInfo, &cInfo, NULL, NULL, NULL); |
238 |
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if ( status == noErr ) |
239 |
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{ |
240 |
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D(printf("get_finfo(%s,...) - Got info of '%16.16s'\n", path, cInfo.finderInfo)); |
241 |
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Host2Mac_memcpy(finfo, cInfo.finderInfo, SIZEOF_FInfo); |
242 |
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if (fxinfo) |
243 |
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Host2Mac_memcpy(fxinfo, cInfo.extFinderInfo, SIZEOF_FXInfo); |
244 |
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return; |
245 |
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} |
246 |
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else |
247 |
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printf("get_finfo(%s,...) failed to get catalog info\n", path); |
248 |
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} |
249 |
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else |
250 |
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printf("get_finfo(%s,...) failed to get FSRef\n", path); |
251 |
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252 |
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253 |
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// No Finder info file, translate file name extension to MacOS type/creator |
254 |
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if (!is_dir) { |
255 |
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int path_len = strlen(path); |
256 |
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for (int i=0; e2t_translation[i].ext; i++) { |
257 |
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int ext_len = strlen(e2t_translation[i].ext); |
258 |
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if (path_len < ext_len) |
259 |
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continue; |
260 |
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if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) { |
261 |
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WriteMacInt32(finfo + fdType, e2t_translation[i].type); |
262 |
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WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator); |
263 |
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break; |
264 |
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} |
265 |
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} |
266 |
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} |
267 |
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268 |
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269 |
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// Use alternate code to get type |
270 |
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uint32 type = fileType(path); |
271 |
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272 |
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if ( type ) |
273 |
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WriteMacInt32(finfo + fdType, type); |
274 |
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} |
275 |
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276 |
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void set_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir) |
277 |
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{ |
278 |
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FSRef fsRef; |
279 |
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OSErr status; |
280 |
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281 |
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status = FSPathMakeRef((const uint8 *)path, &fsRef, NULL); |
282 |
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if ( status == noErr ) |
283 |
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{ |
284 |
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FSCatalogInfo cInfo; |
285 |
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286 |
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status = FSGetCatalogInfo(&fsRef, kFSCatInfoFinderInfo, &cInfo, NULL, NULL, NULL); |
287 |
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if ( status == noErr ) |
288 |
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{ |
289 |
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Mac2Host_memcpy(cInfo.finderInfo, finfo, SIZEOF_FInfo); |
290 |
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Mac2Host_memcpy(cInfo.extFinderInfo, fxinfo, SIZEOF_FXInfo); |
291 |
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FSSetCatalogInfo(&fsRef, kFSCatInfoFinderInfo, &cInfo); |
292 |
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} |
293 |
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} |
294 |
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} |
295 |
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296 |
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297 |
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/* |
298 |
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* Resource fork emulation functions |
299 |
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*/ |
300 |
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301 |
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uint32 get_rfork_size(const char *path) |
302 |
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{ |
303 |
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// Open resource file |
304 |
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int fd = open_rsrc(path, O_RDONLY); |
305 |
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if (fd < 0) |
306 |
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return 0; |
307 |
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308 |
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// Get size |
309 |
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off_t size = lseek(fd, 0, SEEK_END); |
310 |
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311 |
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// Close file and return size |
312 |
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close(fd); |
313 |
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return size < 0 ? 0 : size; |
314 |
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} |
315 |
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316 |
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int open_rfork(const char *path, int flag) |
317 |
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{ |
318 |
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return open_rsrc(path, flag); |
319 |
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} |
320 |
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321 |
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void close_rfork(const char *path, int fd) |
322 |
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{ |
323 |
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close(fd); |
324 |
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} |
325 |
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326 |
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327 |
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/* |
328 |
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* Read "length" bytes from file to "buffer", |
329 |
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* returns number of bytes read (or -1 on error) |
330 |
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*/ |
331 |
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332 |
|
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ssize_t extfs_read(int fd, void *buffer, size_t length) |
333 |
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{ |
334 |
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return read(fd, buffer, length); |
335 |
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} |
336 |
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337 |
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338 |
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/* |
339 |
|
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* Write "length" bytes from "buffer" to file, |
340 |
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* returns number of bytes written (or -1 on error) |
341 |
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*/ |
342 |
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343 |
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ssize_t extfs_write(int fd, void *buffer, size_t length) |
344 |
|
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{ |
345 |
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return write(fd, buffer, length); |
346 |
|
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} |
347 |
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|
348 |
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|
349 |
|
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/* |
350 |
|
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* Remove file/directory (and associated helper files), |
351 |
|
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* returns false on error (and sets errno) |
352 |
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*/ |
353 |
|
|
|
354 |
|
|
bool extfs_remove(const char *path) |
355 |
|
|
{ |
356 |
|
|
// Remove helpers first, don't complain if this fails |
357 |
|
|
char helper_path[MAX_PATH_LENGTH]; |
358 |
|
|
add_rsrc(path, helper_path); |
359 |
|
|
remove(helper_path); |
360 |
|
|
|
361 |
|
|
// Now remove file or directory (and helper directories in the directory) |
362 |
|
|
if (remove(path) < 0) { |
363 |
|
|
if (errno == EISDIR || errno == ENOTEMPTY) { |
364 |
|
|
return rmdir(path) == 0; |
365 |
|
|
} else |
366 |
|
|
return false; |
367 |
|
|
} |
368 |
|
|
return true; |
369 |
|
|
} |
370 |
|
|
|
371 |
|
|
|
372 |
|
|
/* |
373 |
|
|
* Rename/move file/directory (and associated helper files), |
374 |
|
|
* returns false on error (and sets errno) |
375 |
|
|
*/ |
376 |
|
|
|
377 |
|
|
bool extfs_rename(const char *old_path, const char *new_path) |
378 |
|
|
{ |
379 |
|
|
// Rename helpers first, don't complain if this fails |
380 |
|
|
char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH]; |
381 |
|
|
add_rsrc(old_path, old_helper_path); |
382 |
|
|
add_rsrc(new_path, new_helper_path); |
383 |
|
|
rename(old_helper_path, new_helper_path); |
384 |
|
|
|
385 |
|
|
// Now rename file |
386 |
|
|
return rename(old_path, new_path) == 0; |
387 |
|
|
} |