/* Copyright (C) 2002-2004 SKYRIX Software AG This file is part of OpenGroupware.org. OGo is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. OGo is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with OGo; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "OFSFolder.h" #include "common.h" /* Some special WebDAV keys: .autodiskmounted - queried by the MacOSX DAV filesystem .directory - queried by Nautilus both seem to work if the keys do not exist (no special handling required). */ @implementation OFSFolder(SoDAV) static int davDebugOn = 0; - (BOOL)davIsCollection { return YES; } - (BOOL)davIsFolder { /* this can be overridden by compound documents (aka filewrappers) */ return [self davIsCollection]; } - (BOOL)davHasSubFolders { /* search for subfolders (tries to be smart and load as little as p. ;-) */ NSArray *ak; unsigned i, count; if ((ak = [self allKeys]) == nil) return NO; if ((count = [ak count]) == 0) return NO; /* first scan the already loaded children */ for (i = 0; i < count; i++) { id child; child = [self->children objectForKey:[ak objectAtIndex:i]]; if ([child davIsFolder]) return YES; } /* now scan all children */ if (self->flags.didLoadAll) return NO; /* we've already seen all children */ [self allValues]; /* otherwise trigger a load */ for (i = 0; i < count; i++) { id child; child = [self->children objectForKey:[ak objectAtIndex:i]]; if ([child davIsFolder]) return YES; } return NO; } - (NSString *)fileExtensionForChildrenInContext:(id)_ctx { /* This can be used to enforce a common extension for all children, this is useful for WebDAV directory listings (eg all children of an address folder can appear as vcf files in cadaver or OSX). */ return nil; } - (NSEnumerator *)davChildKeysInContext:(id)_ctx { NSArray *keys; NSString *ext; unsigned len; keys = [self allKeys]; if ((len = [keys count]) == 0) { if (davDebugOn) [self debugWithFormat:@"no DAV child keys for delivery ..."]; return [keys objectEnumerator]; } if ((ext = [self fileExtensionForChildrenInContext:_ctx])) { NSMutableArray *ma; unsigned i; BOOL didChange; ma = [NSMutableArray arrayWithCapacity:len]; didChange = NO; for (i = 0; i < len; i++) { NSString *k, *pe; k = [keys objectAtIndex:i]; if ((pe = [k pathExtension]) == nil) [ma addObject:k]; else if ([pe length] == 0) [ma addObject:k]; else { k = [k stringByDeletingPathExtension]; k = [k stringByAppendingPathExtension:ext]; [ma addObject:k]; didChange = YES; } } if (didChange) keys = ma; } if (davDebugOn) { [self debugWithFormat:@"DAV child keys for delivery: %@", [keys componentsJoinedByString:@","]]; } return [keys objectEnumerator]; } - (NSException *)davCreateCollection:(NSString *)_name inContext:(id)_ctx { id fm; NSString *p; BOOL ok; if ([_name hasPrefix:@"."]) { return [NSException exceptionWithHTTPStatus:405 /* not allowed */ reason:@"creation of collections with a " @"leading dot is not allowed."]; } [self debugWithFormat:@"should create collection: %@", _name]; p = [[self storagePath] stringByAppendingPathComponent:_name]; [self debugWithFormat:@" path for new collection: %@", p]; fm = [self fileManager]; ok = [fm createDirectoryAtPath:p attributes:nil]; if (!ok) { [self debugWithFormat:@" could not created collection at: %@", p]; return [NSException exceptionWithHTTPStatus:405 /* not allowed */ reason: @"this OFSFolder could not create the collection"]; } [self debugWithFormat:@" created collection."]; self->flags.didLoadAll = NO; /* not valid anymore */ return nil; } @end /* OFSFolder(SoDAV) */