/* Copyright (C) 2000-2004 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 #include "common.h" typedef struct { NSString *sourcePath; NSString *absolutePath; NSString *path; NGCustomFileManagerInfo *info; id fileManager; } NGCustomFMPath; @interface NGCustomFileManager(Helpers) - (NGCustomFMPath)_resolvePath:(NSString *)_path; - (BOOL)_boolDo:(SEL)_sel onPath:(NSString *)_path; - (BOOL)_boolDo:(SEL)_sel onPath:(NSString *)_path handler:(id)_handler; - (id)_do:(SEL)_sel onPath:(NSString *)_path; @end @implementation NGCustomFileManager + (int)version { return [super version] + 0 /* v0 */; } + (void)initialize { NSAssert2([super version] == 0, @"invalid superclass (%@) version %i !", NSStringFromClass([self superclass]), [super version]); } /* customization */ - (NSString *)makeAbsolutePath:(NSString *)_path { if ([_path isAbsolutePath]) return _path; return [[self currentDirectoryPath] stringByAppendingPathComponent:_path]; } - (NGCustomFileManagerInfo *)fileManagerInfoForPath:(NSString *)_path { return nil; } /* common ops */ - (NGCustomFMPath)_resolvePath:(NSString *)_path { NGCustomFMPath p; p.sourcePath = _path; p.absolutePath = [self makeAbsolutePath:_path]; p.info = [self fileManagerInfoForPath:_path]; p.path = [p.info rewriteAbsolutePath:p.absolutePath]; p.fileManager = [p.info fileManager]; return p; } - (BOOL)_boolDo:(SEL)_sel onPath:(NSString *)_path { NGCustomFMPath p; BOOL (*op)(id,SEL,NSString *); if (_sel == NULL) return NO; p = [self _resolvePath:_path]; if ((_path = p.path) == nil) return NO; if ((op = (void *)[p.fileManager methodForSelector:_sel]) == NULL) return NO; return op(p.fileManager, _sel, _path); } - (BOOL)_boolDo:(SEL)_sel onPath:(NSString *)_path handler:(id)_handler { NGCustomFMPath p; BOOL (*op)(id,SEL,NSString *,id); if (_sel == NULL) return NO; p = [self _resolvePath:_path]; if ((_path = p.path) == nil) return NO; if ((op = (void *)[p.fileManager methodForSelector:_sel]) == NULL) return NO; return op(p.fileManager, _sel, _path, _handler); } - (id)_do:(SEL)_sel onPath:(NSString *)_path { NGCustomFMPath p; id (*op)(id,SEL,NSString *); if (_sel == NULL) return NO; p = [self _resolvePath:_path]; if ((_path = p.path) == nil) return NO; if ((op = (void *)[p.fileManager methodForSelector:_sel]) == NULL) return NO; return op(p.fileManager, _sel, _path); } /* directory operations */ - (BOOL)changeCurrentDirectoryPath:(NSString *)_path { BOOL isDir = NO; if ((_path = [self makeAbsolutePath:_path]) == nil) return NO; if (![self fileExistsAtPath:_path isDirectory:&isDir]) return NO; if (!isDir) return NO; ASSIGNCOPY(self->cwd, _path); return YES; } - (NSString *)currentDirectoryPath { return self->cwd; } - (BOOL)createDirectoryAtPath:(NSString *)_path attributes:(NSDictionary *)_ats { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager createDirectoryAtPath:p.path attributes:_ats]; } /* file operations */ - (BOOL)copyPath:(NSString *)_s toPath:(NSString *)_d handler:(id)_handler { NGCustomFileManagerInfo *sinfo, *dinfo; if ((_s = [self makeAbsolutePath:_s]) == nil) return NO; if ((_d = [self makeAbsolutePath:_d]) == nil) return NO; if ((sinfo = [self fileManagerInfoForPath:_s]) == nil) return NO; if ((dinfo = [self fileManagerInfoForPath:_d]) == nil) return NO; _s = [sinfo rewriteAbsolutePath:_s]; _d = [dinfo rewriteAbsolutePath:_d]; if ([sinfo isEqual:dinfo]) /* same filemanager */ return [[sinfo fileManager] copyPath:_s toPath:_d handler:_handler]; /* operation between different filemanagers ... */ return NO; } - (BOOL)movePath:(NSString *)_s toPath:(NSString *)_d handler:(id)_handler { NGCustomFileManagerInfo *sinfo, *dinfo; if ((_s = [self makeAbsolutePath:_s]) == nil) return NO; if ((_d = [self makeAbsolutePath:_d]) == nil) return NO; if ((sinfo = [self fileManagerInfoForPath:_s]) == nil) return NO; if ((dinfo = [self fileManagerInfoForPath:_d]) == nil) return NO; _s = [sinfo rewriteAbsolutePath:_s]; _d = [dinfo rewriteAbsolutePath:_d]; if ([sinfo isEqual:dinfo]) /* same filemanager */ return [[sinfo fileManager] movePath:_s toPath:_d handler:_handler]; /* operation between different filemanagers ... */ return NO; } - (BOOL)linkPath:(NSString *)_s toPath:(NSString *)_d handler:(id)_handler { NGCustomFileManagerInfo *sinfo, *dinfo; if ((_s = [self makeAbsolutePath:_s]) == nil) return NO; if ((_d = [self makeAbsolutePath:_d]) == nil) return NO; if ((sinfo = [self fileManagerInfoForPath:_s]) == nil) return NO; if ((dinfo = [self fileManagerInfoForPath:_d]) == nil) return NO; _s = [sinfo rewriteAbsolutePath:_s]; _d = [dinfo rewriteAbsolutePath:_d]; if ([sinfo isEqual:dinfo]) /* same filemanager */ return [[sinfo fileManager] linkPath:_s toPath:_d handler:_handler]; /* operation between different filemanagers ... */ return NO; } - (BOOL)removeFileAtPath:(NSString *)_path handler:(id)_handler { return [self _boolDo:_cmd onPath:_path handler:_handler]; } - (BOOL)createFileAtPath:(NSString *)_path contents:(NSData *)_contents attributes:(NSDictionary *)_attributes { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager createFileAtPath:p.path contents:_contents attributes:_attributes]; } /* getting and comparing file contents */ - (NSData *)contentsAtPath:(NSString *)_path { return [self _do:_cmd onPath:_path]; } - (BOOL)contentsEqualAtPath:(NSString *)_path1 andPath:(NSString *)_path2 { NGCustomFileManagerInfo *info1, *info2; if ((_path1 = [self makeAbsolutePath:_path1]) == nil) return NO; if ((_path2 = [self makeAbsolutePath:_path2]) == nil) return NO; if ((info1 = [self fileManagerInfoForPath:_path1]) == nil) return NO; if ((info2 = [self fileManagerInfoForPath:_path2]) == nil) return NO; _path1 = [info1 rewriteAbsolutePath:_path1]; _path2 = [info2 rewriteAbsolutePath:_path2]; if ([info1 isEqual:info2]) /* same filemanager */ return [[info1 fileManager] contentsEqualAtPath:_path1 andPath:_path2]; /* operation between different filemanagers ... */ return NO; } /* determining access to files */ - (BOOL)fileExistsAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)fileExistsAtPath:(NSString *)_path isDirectory:(BOOL *)_isDirectory { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager fileExistsAtPath:p.path isDirectory:_isDirectory]; } - (BOOL)isReadableFileAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)isWritableFileAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)isExecutableFileAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)isDeletableFileAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } /* Getting and setting attributes */ - (NSDictionary *)fileAttributesAtPath:(NSString *)_p traverseLink:(BOOL)_flag{ NGCustomFMPath p; p = [self _resolvePath:_p]; if (p.path == nil) return NO; /* special link handling required ??? */ return [p.fileManager fileAttributesAtPath:p.path traverseLink:_flag]; } - (NSDictionary *)fileSystemAttributesAtPath:(NSString *)_p { return [self _do:_cmd onPath:_p]; } - (BOOL)changeFileAttributes:(NSDictionary *)_attributes atPath:(NSString *)_p{ NGCustomFMPath p; p = [self _resolvePath:_p]; if (p.path == nil) return NO; return [p.fileManager changeFileAttributes:_attributes atPath:p.path]; } /* discovering directory contents */ - (NSArray *)directoryContentsAtPath:(NSString *)_path { /* this returns relative path's, can be passed back */ return [self _do:_cmd onPath:_path]; } - (NSDirectoryEnumerator *)enumeratorAtPath:(NSString *)_path { /* this needs to be wrapped ! */ return nil; } - (NSArray *)subpathsAtPath:(NSString *)_path { /* this returns relative path's, can be passed back */ return [self _do:_cmd onPath:_path]; } /* symbolic-link operations */ - (BOOL)createSymbolicLinkAtPath:(NSString *)_p pathContent:(NSString *)_dpath{ /* should that process the link-path somehow ??? */ NGCustomFMPath p; p = [self _resolvePath:_p]; if (p.path == nil) return NO; return [p.fileManager createSymbolicLinkAtPath:p.path pathContent:_dpath]; } - (NSString *)pathContentOfSymbolicLinkAtPath:(NSString *)_path { /* should that process the link-path somehow ??? */ return [self _do:_cmd onPath:_path]; } /* feature check */ - (BOOL)supportsVersioningAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)supportsLockingAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)supportsFolderDataSourceAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)supportsFeature:(NSString *)_featureURI atPath:(NSString *)_path { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager supportsFeature:_featureURI atPath:p.path]; } /* writing */ - (BOOL)writeContents:(NSData *)_content atPath:(NSString *)_path { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager writeContents:_content atPath:p.path]; } /* global-IDs */ - (EOGlobalID *)globalIDForPath:(NSString *)_path { NGCustomFileManagerInfo *info; if ((_path = [self makeAbsolutePath:_path]) == nil) return NO; if ((info = [self fileManagerInfoForPath:_path]) == nil) return NO; if (![info supportsGlobalIDs]) return nil; if ((_path = [info rewriteAbsolutePath:_path]) == nil) return NO; return [[info fileManager] globalIDForPath:_path]; } - (NSString *)pathForGlobalID:(EOGlobalID *)_gid { return nil; } /* trash */ - (BOOL)supportsTrashFolderAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (NSString *)trashFolderForPath:(NSString *)_path { return NO; } @end /* NGCustomFileManager */ @implementation NGCustomFileManager(NGFileManagerVersioning) /* versioning */ - (BOOL)checkoutFileAtPath:(NSString *)_path handler:(id)_handler { return [self _boolDo:_cmd onPath:_path handler:_handler]; } - (BOOL)releaseFileAtPath:(NSString *)_path handler:(id)_handler { return [self _boolDo:_cmd onPath:_path handler:_handler]; } - (BOOL)rejectFileAtPath:(NSString *)_path handler:(id)_handler { return [self _boolDo:_cmd onPath:_path handler:_handler]; } - (BOOL)checkoutFileAtPath:(NSString *)_path version:(NSString *)_version handler:(id)_handler { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager checkoutFileAtPath:p.path version:_version handler:_handler]; } /* versioning data */ - (NSString *)lastVersionAtPath:(NSString *)_path { return [self _do:_cmd onPath:_path]; } - (NSArray *)versionsAtPath:(NSString *)_path { return [self _do:_cmd onPath:_path]; } - (NSData *)contentsAtPath:(NSString *)_path version:(NSString *)_version { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; return [p.fileManager contentsAtPath:p.path version:_version]; } - (NSDictionary *)fileAttributesAtPath:(NSString *)_path traverseLink:(BOOL)_followLink version:(NSString *)_version { NGCustomFMPath p; p = [self _resolvePath:_path]; if (p.path == nil) return NO; /* do something special to symlink ??? */ return [p.fileManager fileAttributesAtPath:p.path traverseLink:_followLink version:_version]; } @end /* NGCustomFileManager(NGFileManagerVersioning) */ @implementation NGCustomFileManager(NGFileManagerLocking) - (BOOL)lockFileAtPath:(NSString *)_path handler:(id)_handler { return [self _boolDo:_cmd onPath:_path handler:_handler]; } - (BOOL)unlockFileAtPath:(NSString *)_path handler:(id)_handler { return [self _boolDo:_cmd onPath:_path handler:_handler]; } - (BOOL)isFileLockedAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } /* access rights */ - (BOOL)isLockableFileAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } - (BOOL)isUnlockableFileAtPath:(NSString *)_path { return [self _boolDo:_cmd onPath:_path]; } @end /* NGCustomFileManager(NGFileManagerLocking) */ @implementation NGCustomFileManager(NGFileManagerDataSources) /* datasources (work on folders) */ - (EODataSource *)dataSourceAtPath:(NSString *)_path { return [self _do:_cmd onPath:_path]; } - (EODataSource *)dataSource { return [self dataSourceAtPath:[self currentDirectoryPath]]; } @end /* NGCustomFileManager(NGFileManagerDataSources) */ @implementation NGCustomFileManagerInfo - (id)initWithCustomFileManager:(NGCustomFileManager *)_master fileManager:(id)_fm { self->master = _master; self->fileManager = [_fm retain]; return self; } - (id)init { return [self initWithCustomFileManager:nil fileManager:nil]; } - (void)dealloc { [self->fileManager release]; [super dealloc]; } - (void)resetMaster { self->master = nil; } /* accessors */ - (NGCustomFileManager *)master { return self->master; } - (id)fileManager { return self->fileManager; } /* operations */ - (NSString *)rewriteAbsolutePath:(NSString *)_path { return _path; } /* capabilities */ - (BOOL)supportsGlobalIDs { return [self->fileManager respondsToSelector:@selector(globalIDForPath:)]; } @end /* NGCustomFileManagerInfo */