Artifact 35b39e789fe88dc571067913a7bb74cc1527f2936e86e0bef1acfd3054e104e7:
- File
src/OFURLHandler_file.m
— part of check-in
[2339bc3407]
at
2019-04-15 21:10:33
on branch trunk
— Use GetFileAttributesExW() instead of _wstat64()
Unlike _wstat64(), GetFileAttributesExW() works on drives. (user: js, size: 32344) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018, 2019 * Jonathan Schleifer <js@heap.zone> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #include <errno.h> #ifdef HAVE_DIRENT_H # include <dirent.h> #endif #include "unistd_wrapper.h" #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> #endif #ifdef HAVE_PWD_H # include <pwd.h> #endif #ifdef HAVE_GRP_H # include <grp.h> #endif #import "OFURLHandler_file.h" #import "OFArray.h" #import "OFDate.h" #import "OFFile.h" #import "OFFileManager.h" #import "OFLocale.h" #import "OFNumber.h" #import "OFURL.h" #ifdef OF_HAVE_THREADS # import "OFMutex.h" #endif #import "OFCreateDirectoryFailedException.h" #import "OFCreateSymbolicLinkFailedException.h" #import "OFInitializationFailedException.h" #import "OFInvalidArgumentException.h" #import "OFLinkFailedException.h" #import "OFMoveItemFailedException.h" #import "OFNotImplementedException.h" #import "OFOpenItemFailedException.h" #import "OFOutOfRangeException.h" #import "OFReadFailedException.h" #import "OFRemoveItemFailedException.h" #import "OFRetrieveItemAttributesFailedException.h" #import "OFSetItemAttributesFailedException.h" #ifdef OF_WINDOWS # include <windows.h> # include <direct.h> # include <ntdef.h> # include <wchar.h> #endif #ifdef OF_AMIGAOS # ifdef OF_AMIGAOS4 # define __USE_INLINE__ # define __NOLIBBASE__ # define __NOGLOBALIFACE__ # endif # include <proto/exec.h> # include <proto/dos.h> # include <proto/locale.h> # ifdef OF_AMIGAOS4 # define DeleteFile(path) Delete(path) # endif #endif #if defined(OF_WINDOWS) || defined(OF_AMIGAOS) typedef struct { of_offset_t st_size; unsigned int st_mode; of_time_interval_t st_atime, st_mtime, st_ctime; # ifdef OF_WINDOWS # define HAVE_STRUCT_STAT_ST_BIRTHTIME of_time_interval_t st_birthtime; DWORD fileAttributes; # endif } of_stat_t; #elif defined(OF_HAVE_OFF64_T) typedef struct stat64 of_stat_t; #else typedef struct stat of_stat_t; #endif #ifdef OF_WINDOWS # define S_IFLNK 0x10000 # define S_ISLNK(mode) (mode & S_IFLNK) #endif #if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS) && !defined(OF_AMIGAOS) static OFMutex *passwdMutex; #endif #if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) && !defined(OF_WINDOWS) static OFMutex *readdirMutex; #endif #ifdef OF_WINDOWS static WINAPI BOOLEAN (*func_CreateSymbolicLinkW)(LPCWSTR, LPCWSTR, DWORD); #endif #ifdef OF_AMIGAOS4 extern struct ExecIFace *IExec; static struct Library *DOSBase = NULL; static struct DOSIFace *IDOS = NULL; static struct Library *LocaleBase = NULL; static struct LocaleIFace *ILocale = NULL; OF_DESTRUCTOR() { if (ILocale != NULL) DropInterface(ILocale); if (LocaleBase != NULL) CloseLibrary(LocaleBase); if (IDOS != NULL) DropInterface(IDOS); if (DOSBase != NULL) CloseLibrary(DOSBase); } #endif #ifdef OF_WINDOWS static of_time_interval_t filetimeToTimeInterval(const FILETIME *filetime) { return (double)((int64_t)filetime->dwHighDateTime << 32 | filetime->dwLowDateTime) / 10000000.0 - 11644473600.0; } static void setErrno(void) { switch (GetLastError()) { case ERROR_FILE_NOT_FOUND: case ERROR_PATH_NOT_FOUND: case ERROR_NO_MORE_FILES: errno = ENOENT; return; case ERROR_ACCESS_DENIED: errno = EACCES; return; case ERROR_DIRECTORY: errno = ENOTDIR; return; case ERROR_NOT_READY: errno = EBUSY; return; } errno = 0; } #endif static int of_stat(OFString *path, of_stat_t *buffer) { #if defined(OF_WINDOWS) WIN32_FILE_ATTRIBUTE_DATA data; if (!GetFileAttributesExW(path.UTF16String, GetFileExInfoStandard, &data)) { setErrno(); return -1; } buffer->st_size = (uint64_t)data.nFileSizeHigh << 32 | data.nFileSizeLow; if (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) buffer->st_mode = S_IFDIR; else if (data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { WIN32_FIND_DATAW findData; HANDLE findHandle; if ((findHandle = FindFirstFileW(path.UTF16String, &findData)) == INVALID_HANDLE_VALUE) { setErrno(); return -1; } @try { if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) { /* Race? Indicate to try again. */ errno = EAGAIN; return -1; } buffer->st_mode = (findData.dwReserved0 == IO_REPARSE_TAG_SYMLINK ? S_IFLNK : S_IFREG); } @finally { FindClose(findHandle); } } else buffer->st_mode = S_IFREG; buffer->st_mode |= (data.dwFileAttributes & FILE_ATTRIBUTE_READONLY ? (S_IRUSR | S_IXUSR) : (S_IRUSR | S_IWUSR | S_IXUSR)); buffer->st_atime = filetimeToTimeInterval(&data.ftLastAccessTime); buffer->st_mtime = filetimeToTimeInterval(&data.ftLastWriteTime); buffer->st_ctime = buffer->st_birthtime = filetimeToTimeInterval(&data.ftCreationTime); buffer->fileAttributes = data.dwFileAttributes; return 0; #elif defined(OF_AMIGAOS) BPTR lock; # ifdef OF_AMIGAOS4 struct ExamineData *ed; # else struct FileInfoBlock fib; # endif of_time_interval_t timeInterval; struct Locale *locale; struct DateStamp *date; if ((lock = Lock([path cStringWithEncoding: [OFLocale encoding]], SHARED_LOCK)) == 0) { switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errno = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errno = ENOENT; break; default: errno = 0; break; } return -1; } # if defined(OF_MORPHOS) if (!Examine64(lock, &fib, TAG_DONE)) { # elif defined(OF_AMIGAOS4) if ((ed = ExamineObjectTags(EX_FileLockInput, lock, TAG_END)) == NULL) { # else if (!Examine(lock, &fib)) { # endif UnLock(lock); errno = 0; return -1; } UnLock(lock); # if defined(OF_MORPHOS) buffer->st_size = fib.fib_Size64; # elif defined(OF_AMIGAOS4) buffer->st_size = ed->FileSize; # else buffer->st_size = fib.fib_Size; # endif # ifdef OF_AMIGAOS4 buffer->st_mode = (EXD_IS_DIRECTORY(ed) ? S_IFDIR : S_IFREG); # else buffer->st_mode = (fib.fib_DirEntryType > 0 ? S_IFDIR : S_IFREG); # endif timeInterval = 252460800; /* 1978-01-01 */ locale = OpenLocale(NULL); /* * FIXME: This does not take DST into account. But unfortunately, there * is no way to figure out if DST was in effect when the file was * modified. */ timeInterval += locale->loc_GMTOffset * 60.0; CloseLocale(locale); # ifdef OF_AMIGAOS4 date = &ed->Date; # else date = &fib.fib_Date; # endif timeInterval += date->ds_Days * 86400.0; timeInterval += date->ds_Minute * 60.0; timeInterval += date->ds_Tick / (of_time_interval_t)TICKS_PER_SECOND; buffer->st_atime = buffer->st_mtime = buffer->st_ctime = timeInterval; # ifdef OF_AMIGAOS4 FreeDosObject(DOS_EXAMINEDATA, ed); # endif return 0; #elif defined(OF_HAVE_OFF64_T) return stat64([path cStringWithEncoding: [OFLocale encoding]], buffer); #else return stat([path cStringWithEncoding: [OFLocale encoding]], buffer); #endif } static int of_lstat(OFString *path, of_stat_t *buffer) { #if defined(HAVE_LSTAT) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS) && \ !defined(OF_NINTENDO_3DS) && !defined(OF_WII) # ifdef OF_HAVE_OFF64_T return lstat64([path cStringWithEncoding: [OFLocale encoding]], buffer); # else return lstat([path cStringWithEncoding: [OFLocale encoding]], buffer); # endif #else return of_stat(path, buffer); #endif } static void setTypeAttribute(of_mutable_file_attributes_t attributes, of_stat_t *s) { if (S_ISREG(s->st_mode)) [attributes setObject: of_file_type_regular forKey: of_file_attribute_key_type]; else if (S_ISDIR(s->st_mode)) [attributes setObject: of_file_type_directory forKey: of_file_attribute_key_type]; #ifdef S_ISLNK else if (S_ISLNK(s->st_mode)) [attributes setObject: of_file_type_symbolic_link forKey: of_file_attribute_key_type]; #endif #ifdef S_ISFIFO else if (S_ISFIFO(s->st_mode)) [attributes setObject: of_file_type_fifo forKey: of_file_attribute_key_type]; #endif #ifdef S_ISCHR else if (S_ISCHR(s->st_mode)) [attributes setObject: of_file_type_character_special forKey: of_file_attribute_key_type]; #endif #ifdef S_ISBLK else if (S_ISBLK(s->st_mode)) [attributes setObject: of_file_type_block_special forKey: of_file_attribute_key_type]; #endif #ifdef S_ISSOCK else if (S_ISSOCK(s->st_mode)) [attributes setObject: of_file_type_socket forKey: of_file_attribute_key_type]; #endif } static void setDateAttributes(of_mutable_file_attributes_t attributes, of_stat_t *s) { /* FIXME: We could be more precise on some OSes */ [attributes setObject: [OFDate dateWithTimeIntervalSince1970: s->st_atime] forKey: of_file_attribute_key_last_access_date]; [attributes setObject: [OFDate dateWithTimeIntervalSince1970: s->st_mtime] forKey: of_file_attribute_key_modification_date]; [attributes setObject: [OFDate dateWithTimeIntervalSince1970: s->st_ctime] forKey: of_file_attribute_key_status_change_date]; #ifdef HAVE_STRUCT_STAT_ST_BIRTHTIME [attributes setObject: [OFDate dateWithTimeIntervalSince1970: s->st_birthtime] forKey: of_file_attribute_key_creation_date]; #endif } static void setOwnerAndGroupAttributes(of_mutable_file_attributes_t attributes, of_stat_t *s) { #ifdef OF_FILE_MANAGER_SUPPORTS_OWNER [attributes setObject: [NSNumber numberWithUInt16: s->st_uid] forKey: of_file_attribute_key_posix_uid]; [attributes setObject: [NSNumber numberWithUInt16: s->st_gid] forKey: of_file_attribute_key_posix_gid]; # ifdef OF_HAVE_THREADS [passwdMutex lock]; @try { # endif of_string_encoding_t encoding = [OFLocale encoding]; struct passwd *passwd = getpwuid(s->st_uid); struct group *group_ = getgrgid(s->st_gid); if (passwd != NULL) { OFString *owner = [OFString stringWithCString: passwd->pw_name encoding: encoding]; [attributes setObject: owner forKey: of_file_attribute_key_owner]; } if (group_ != NULL) { OFString *group = [OFString stringWithCString: group_->gr_name encoding: encoding]; [attributes setObject: group forKey: of_file_attribute_key_group]; } # ifdef OF_HAVE_THREADS } @finally { [passwdMutex unlock]; } # endif #endif } #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS static void setSymbolicLinkDestinationAttribute(of_mutable_file_attributes_t attributes, OFURL *URL) { OFString *path = URL.fileSystemRepresentation; # ifndef OF_WINDOWS of_string_encoding_t encoding = [OFLocale encoding]; char destinationC[PATH_MAX]; ssize_t length; OFString *destination; of_file_attribute_key_t key; length = readlink([path cStringWithEncoding: encoding], destinationC, PATH_MAX); if (length < 0) @throw [OFRetrieveItemAttributesFailedException exceptionWithURL: URL errNo: errno]; destination = [OFString stringWithCString: destinationC encoding: encoding length: length]; key = of_file_attribute_key_symbolic_link_destination; [attributes setObject: destination forKey: key]; # else HANDLE handle; OFString *destination; if (func_CreateSymbolicLinkW == NULL) return; if ((handle = CreateFileW(path.UTF16String, 0, (FILE_SHARE_READ | FILE_SHARE_WRITE), NULL, OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT, NULL)) == INVALID_HANDLE_VALUE) @throw [OFRetrieveItemAttributesFailedException exceptionWithURL: URL errNo: 0]; @try { union { char bytes[MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; REPARSE_DATA_BUFFER data; } buffer; DWORD size; wchar_t *tmp; of_file_attribute_key_t key; if (!DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, NULL, 0, buffer.bytes, MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &size, NULL)) @throw [OFRetrieveItemAttributesFailedException exceptionWithURL: URL errNo: 0]; if (buffer.data.ReparseTag != IO_REPARSE_TAG_SYMLINK) @throw [OFRetrieveItemAttributesFailedException exceptionWithURL: URL errNo: 0]; # define slrb buffer.data.SymbolicLinkReparseBuffer tmp = slrb.PathBuffer + (slrb.SubstituteNameOffset / sizeof(wchar_t)); destination = [OFString stringWithUTF16String: tmp length: slrb.SubstituteNameLength / sizeof(wchar_t)]; [attributes setObject: of_file_type_symbolic_link forKey: of_file_attribute_key_type]; key = of_file_attribute_key_symbolic_link_destination; [attributes setObject: destination forKey: key]; # undef slrb } @finally { CloseHandle(handle); } # endif } #endif @implementation OFURLHandler_file + (void)initialize { #ifdef OF_WINDOWS HMODULE module; #endif if (self != [OFURLHandler_file class]) return; #ifdef OF_AMIGAOS4 if ((DOSBase = OpenLibrary("dos.library", 36)) == NULL) @throw [OFInitializationFailedException exceptionWithClass: self]; if ((IDOS = (struct DOSIFace *) GetInterface(DOSBase, "main", 1, NULL)) == NULL) @throw [OFInitializationFailedException exceptionWithClass: self]; if ((LocaleBase = OpenLibrary("locale.library", 38)) == NULL) @throw [OFInitializationFailedException exceptionWithClass: self]; if ((ILocale = (struct LocaleIFace *) GetInterface(LocaleBase, "main", 1, NULL)) == NULL) @throw [OFInitializationFailedException exceptionWithClass: self]; #endif #if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS) passwdMutex = [[OFMutex alloc] init]; #endif #if !defined(HAVE_READDIR_R) && !defined(OF_WINDOWS) && defined(OF_HAVE_THREADS) readdirMutex = [[OFMutex alloc] init]; #endif #ifdef OF_WINDOWS if ((module = LoadLibrary("kernel32.dll")) != NULL) func_CreateSymbolicLinkW = (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR, DWORD)) GetProcAddress(module, "CreateSymbolicLinkW"); #endif /* * Make sure OFFile is initialized. * On some systems, this is needed to initialize the file system driver. */ [OFFile class]; } + (bool)of_directoryExistsAtPath: (OFString *)path { of_stat_t s; if (of_stat(path, &s) == -1) return false; return S_ISDIR(s.st_mode); } - (OFStream *)openItemAtURL: (OFURL *)URL mode: (OFString *)mode { void *pool = objc_autoreleasePoolPush(); OFFile *file = [[OFFile alloc] initWithPath: URL.fileSystemRepresentation mode: mode]; objc_autoreleasePoolPop(pool); return [file autorelease]; } - (of_file_attributes_t)attributesOfItemAtURL: (OFURL *)URL { of_mutable_file_attributes_t ret = [OFMutableDictionary dictionary]; void *pool = objc_autoreleasePoolPush(); OFString *path; of_stat_t s; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![[URL scheme] isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; path = URL.fileSystemRepresentation; if (of_lstat(path, &s) == -1) @throw [OFRetrieveItemAttributesFailedException exceptionWithURL: URL errNo: errno]; if (s.st_size < 0) @throw [OFOutOfRangeException exception]; [ret setObject: [NSNumber numberWithUIntMax: s.st_size] forKey: of_file_attribute_key_size]; setTypeAttribute(ret, &s); [ret setObject: [NSNumber numberWithUInt16: s.st_mode & 07777] forKey: of_file_attribute_key_posix_permissions]; setOwnerAndGroupAttributes(ret, &s); setDateAttributes(ret, &s); #ifdef S_ISLNK if (S_ISLNK(s.st_mode)) setSymbolicLinkDestinationAttribute(ret, URL); #endif objc_autoreleasePoolPop(pool); return ret; } - (void)of_setPOSIXPermissions: (OFNumber *)permissions ofItemAtURL: (OFURL *)URL attributes: (of_file_attributes_t)attributes { #ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS uint16_t mode = permissions.uInt16Value & 0777; OFString *path = URL.fileSystemRepresentation; # ifndef OF_WINDOWS if (chmod([path cStringWithEncoding: [OFLocale encoding]], mode) != 0) # else if (_wchmod(path.UTF16String, mode) != 0) # endif @throw [OFSetItemAttributesFailedException exceptionWithURL: URL attributes: attributes failedAttribute: of_file_attribute_key_posix_permissions errNo: errno]; #else OF_UNRECOGNIZED_SELECTOR #endif } - (void)of_setOwner: (OFString *)owner andGroup: (OFString *)group ofItemAtURL: (OFURL *)URL attributeKey: (of_file_attribute_key_t)attributeKey attributes: (of_file_attributes_t)attributes { #ifdef OF_FILE_MANAGER_SUPPORTS_OWNER OFString *path = URL.fileSystemRepresentation; uid_t uid = -1; gid_t gid = -1; of_string_encoding_t encoding; if (owner == nil && group == nil) @throw [OFInvalidArgumentException exception]; encoding = [OFLocale encoding]; # ifdef OF_HAVE_THREADS [passwdMutex lock]; @try { # endif if (owner != nil) { struct passwd *passwd; if ((passwd = getpwnam([owner cStringWithEncoding: encoding])) == NULL) @throw [OFSetItemAttributesFailedException exceptionWithURL: URL attributes: attributes failedAttribute: attributeKey errNo: errno]; uid = passwd->pw_uid; } if (group != nil) { struct group *group_; if ((group_ = getgrnam([group cStringWithEncoding: encoding])) == NULL) @throw [OFSetItemAttributesFailedException exceptionWithURL: URL attributes: attributes failedAttribute: attributeKey errNo: errno]; gid = group_->gr_gid; } # ifdef OF_HAVE_THREADS } @finally { [passwdMutex unlock]; } # endif if (chown([path cStringWithEncoding: encoding], uid, gid) != 0) @throw [OFSetItemAttributesFailedException exceptionWithURL: URL attributes: attributes failedAttribute: attributeKey errNo: errno]; #else OF_UNRECOGNIZED_SELECTOR #endif } - (void)setAttributes: (of_file_attributes_t)attributes ofItemAtURL: (OFURL *)URL { void *pool = objc_autoreleasePoolPush(); OFEnumerator OF_GENERIC(of_file_attribute_key_t) *keyEnumerator; OFEnumerator *objectEnumerator; of_file_attribute_key_t key; id object; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; keyEnumerator = [attributes keyEnumerator]; objectEnumerator = [attributes objectEnumerator]; while ((key = [keyEnumerator nextObject]) != nil && (object = [objectEnumerator nextObject]) != nil) { if ([key isEqual: of_file_attribute_key_posix_permissions]) [self of_setPOSIXPermissions: object ofItemAtURL: URL attributes: attributes]; else if ([key isEqual: of_file_attribute_key_owner]) [self of_setOwner: object andGroup: nil ofItemAtURL: URL attributeKey: key attributes: attributes]; else if ([key isEqual: of_file_attribute_key_group]) [self of_setOwner: nil andGroup: object ofItemAtURL: URL attributeKey: key attributes: attributes]; else @throw [OFNotImplementedException exceptionWithSelector: _cmd object: self]; } objc_autoreleasePoolPop(pool); } - (bool)fileExistsAtURL: (OFURL *)URL { void *pool = objc_autoreleasePoolPush(); of_stat_t s; bool ret; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; if (of_stat(URL.fileSystemRepresentation, &s) == -1) { objc_autoreleasePoolPop(pool); return false; } ret = S_ISREG(s.st_mode); objc_autoreleasePoolPop(pool); return ret; } - (bool)directoryExistsAtURL: (OFURL *)URL { void *pool = objc_autoreleasePoolPush(); of_stat_t s; bool ret; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; if (of_stat(URL.fileSystemRepresentation, &s) == -1) { objc_autoreleasePoolPop(pool); return false; } ret = S_ISDIR(s.st_mode); objc_autoreleasePoolPop(pool); return ret; } - (void)createDirectoryAtURL: (OFURL *)URL { void *pool = objc_autoreleasePoolPush(); OFString *path; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; path = URL.fileSystemRepresentation; #if defined(OF_WINDOWS) if (_wmkdir(path.UTF16String) != 0) @throw [OFCreateDirectoryFailedException exceptionWithURL: URL errNo: errno]; #elif defined(OF_AMIGAOS) BPTR lock; if ((lock = CreateDir( [path cStringWithEncoding: [OFLocale encoding]])) == 0) { int errNo; switch (IoErr()) { case ERROR_NO_FREE_STORE: case ERROR_DISK_FULL: errNo = ENOSPC; break; case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_EXISTS: errNo = EEXIST; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; case ERROR_DISK_WRITE_PROTECTED: errNo = EROFS; break; default: errNo = 0; break; } @throw [OFCreateDirectoryFailedException exceptionWithURL: URL errNo: errNo]; } UnLock(lock); #else if (mkdir([path cStringWithEncoding: [OFLocale encoding]], 0777) != 0) @throw [OFCreateDirectoryFailedException exceptionWithURL: URL errNo: errno]; #endif objc_autoreleasePoolPop(pool); } - (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtURL: (OFURL *)URL { OFMutableArray *files = [OFMutableArray array]; void *pool = objc_autoreleasePoolPush(); OFString *path; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; path = URL.fileSystemRepresentation; #if defined(OF_WINDOWS) HANDLE handle; WIN32_FIND_DATAW fd; path = [path stringByAppendingString: @"\\*"]; if ((handle = FindFirstFileW(path.UTF16String, &fd)) == INVALID_HANDLE_VALUE) { int errNo = 0; if (GetLastError() == ERROR_FILE_NOT_FOUND) errNo = ENOENT; @throw [OFOpenItemFailedException exceptionWithURL: URL mode: nil errNo: errNo]; } @try { do { OFString *file; if (!wcscmp(fd.cFileName, L".") || !wcscmp(fd.cFileName, L"..")) continue; file = [[OFString alloc] initWithUTF16String: fd.cFileName]; @try { [files addObject: file]; } @finally { [file release]; } } while (FindNextFileW(handle, &fd)); if (GetLastError() != ERROR_NO_MORE_FILES) @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: EIO]; } @finally { FindClose(handle); } #elif defined(OF_AMIGAOS) of_string_encoding_t encoding = [OFLocale encoding]; BPTR lock; if ((lock = Lock([path cStringWithEncoding: encoding], SHARED_LOCK)) == 0) { int errNo; switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; default: errNo = 0; break; } @throw [OFOpenItemFailedException exceptionWithURL: URL mode: nil errNo: errNo]; } @try { # ifdef OF_AMIGAOS4 struct ExamineData *ed; APTR context; if ((context = ObtainDirContextTags(EX_FileLockInput, lock, EX_DoCurrentDir, TRUE, EX_DataFields, EXF_NAME, TAG_END)) == NULL) @throw [OFOpenItemFailedException exceptionWithURL: URL mode: nil errNo: 0]; @try { while ((ed = ExamineDir(context)) != NULL) { OFString *file = [[OFString alloc] initWithCString: ed->Name encoding: encoding]; @try { [files addObject: file]; } @finally { [file release]; } } } @finally { ReleaseDirContext(context); } # else struct FileInfoBlock fib; if (!Examine(lock, &fib)) @throw [OFOpenItemFailedException exceptionWithURL: URL mode: nil errNo: 0]; while (ExNext(lock, &fib)) { OFString *file = [[OFString alloc] initWithCString: fib.fib_FileName encoding: encoding]; @try { [files addObject: file]; } @finally { [file release]; } } # endif if (IoErr() != ERROR_NO_MORE_ENTRIES) @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: EIO]; } @finally { UnLock(lock); } #else of_string_encoding_t encoding = [OFLocale encoding]; DIR *dir; if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL) @throw [OFOpenItemFailedException exceptionWithURL: URL mode: nil errNo: errno]; # if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) @try { [readdirMutex lock]; } @catch (id e) { closedir(dir); @throw e; } # endif @try { for (;;) { struct dirent *dirent; # ifdef HAVE_READDIR_R struct dirent buffer; # endif OFString *file; # ifdef HAVE_READDIR_R if (readdir_r(dir, &buffer, &dirent) != 0) @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: errno]; if (dirent == NULL) break; # else errno = 0; if ((dirent = readdir(dir)) == NULL) { if (errno == 0) break; else @throw [OFReadFailedException exceptionWithObject: self requestedLength: 0 errNo: errno]; } # endif if (strcmp(dirent->d_name, ".") == 0 || strcmp(dirent->d_name, "..") == 0) continue; file = [[OFString alloc] initWithCString: dirent->d_name encoding: encoding]; @try { [files addObject: file]; } @finally { [file release]; } } } @finally { closedir(dir); # if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) [readdirMutex unlock]; # endif } #endif [files makeImmutable]; objc_autoreleasePoolPop(pool); return files; } - (void)removeItemAtURL: (OFURL *)URL { void *pool = objc_autoreleasePoolPush(); OFString *path; of_stat_t s; if (URL == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; path = URL.fileSystemRepresentation; if (of_lstat(path, &s) != 0) @throw [OFRemoveItemFailedException exceptionWithURL: URL errNo: errno]; if (S_ISDIR(s.st_mode)) { OFArray *contents; @try { contents = [self contentsOfDirectoryAtURL: URL]; } @catch (id e) { /* * Only convert exceptions to * OFRemoveItemFailedException that have an errNo * property. This covers all I/O related exceptions * from the operations used to remove an item, all * others should be left as is. */ if ([e respondsToSelector: @selector(errNo)]) @throw [OFRemoveItemFailedException exceptionWithURL: URL errNo: [e errNo]]; @throw e; } for (OFString *item in contents) { void *pool2 = objc_autoreleasePoolPush(); [self removeItemAtURL: [OFURL fileURLWithPath: [path stringByAppendingPathComponent: item]]]; objc_autoreleasePoolPop(pool2); } #ifndef OF_AMIGAOS # ifndef OF_WINDOWS if (rmdir([path cStringWithEncoding: [OFLocale encoding]]) != 0) # else if (_wrmdir(path.UTF16String) != 0) # endif @throw [OFRemoveItemFailedException exceptionWithURL: URL errNo: errno]; } else { # ifndef OF_WINDOWS if (unlink([path cStringWithEncoding: [OFLocale encoding]]) != 0) # else if (_wunlink(path.UTF16String) != 0) # endif @throw [OFRemoveItemFailedException exceptionWithURL: URL errNo: errno]; #endif } #ifdef OF_AMIGAOS if (!DeleteFile([path cStringWithEncoding: [OFLocale encoding]])) { int errNo; switch (IoErr()) { case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; case ERROR_DISK_WRITE_PROTECTED: errNo = EROFS; break; case ERROR_DELETE_PROTECTED: errNo = EACCES; break; default: errNo = 0; break; } @throw [OFRemoveItemFailedException exceptionWithURL: URL errNo: errNo]; } #endif objc_autoreleasePoolPop(pool); } #ifdef OF_FILE_MANAGER_SUPPORTS_LINKS - (void)linkItemAtURL: (OFURL *)source toURL: (OFURL *)destination { void *pool = objc_autoreleasePoolPush(); OFString *sourcePath, *destinationPath; if (source == nil || destination == nil) @throw [OFInvalidArgumentException exception]; if (![source.scheme isEqual: _scheme] || ![destination.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; sourcePath = source.fileSystemRepresentation; destinationPath = destination.fileSystemRepresentation; # ifndef OF_WINDOWS of_string_encoding_t encoding = [OFLocale encoding]; if (link([sourcePath cStringWithEncoding: encoding], [destinationPath cStringWithEncoding: encoding]) != 0) @throw [OFLinkFailedException exceptionWithSourceURL: source destinationURL: destination errNo: errno]; # else if (!CreateHardLinkW(destinationPath.UTF16String, sourcePath.UTF16String, NULL)) @throw [OFLinkFailedException exceptionWithSourceURL: source destinationURL: destination errNo: 0]; # endif objc_autoreleasePoolPop(pool); } #endif #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS - (void)createSymbolicLinkAtURL: (OFURL *)URL withDestinationPath: (OFString *)target { void *pool = objc_autoreleasePoolPush(); OFString *path; if (URL == nil || target == nil) @throw [OFInvalidArgumentException exception]; if (![URL.scheme isEqual: _scheme]) @throw [OFInvalidArgumentException exception]; path = URL.fileSystemRepresentation; # ifndef OF_WINDOWS of_string_encoding_t encoding = [OFLocale encoding]; if (symlink([target cStringWithEncoding: encoding], [path cStringWithEncoding: encoding]) != 0) @throw [OFCreateSymbolicLinkFailedException exceptionWithURL: URL target: target errNo: errno]; # else if (func_CreateSymbolicLinkW == NULL) @throw [OFNotImplementedException exceptionWithSelector: _cmd object: self]; if (!func_CreateSymbolicLinkW(path.UTF16String, target.UTF16String, 0)) @throw [OFCreateSymbolicLinkFailedException exceptionWithURL: URL target: target errNo: 0]; # endif objc_autoreleasePoolPop(pool); } #endif - (bool)moveItemAtURL: (OFURL *)source toURL: (OFURL *)destination { void *pool; if (![source.scheme isEqual: _scheme] || ![destination.scheme isEqual: _scheme]) return false; if ([self fileExistsAtURL: destination]) @throw [OFMoveItemFailedException exceptionWithSourceURL: source destinationURL: destination errNo: EEXIST]; pool = objc_autoreleasePoolPush(); #if defined(OF_WINDOWS) if (_wrename(source.fileSystemRepresentation.UTF16String, destination.fileSystemRepresentation.UTF16String) != 0) @throw [OFMoveItemFailedException exceptionWithSourceURL: source destinationURL: destination errNo: errno]; #elif defined(OF_AMIGAOS) of_string_encoding_t encoding = [OFLocale encoding]; if (!Rename([source.fileSystemRepresentation cStringWithEncoding: encoding], [destination.fileSystemRepresentation cStringWithEncoding: encoding])) { int errNo; switch (IoErr()) { case ERROR_RENAME_ACROSS_DEVICES: errNo = EXDEV; break; case ERROR_OBJECT_IN_USE: case ERROR_DISK_NOT_VALIDATED: errNo = EBUSY; break; case ERROR_OBJECT_EXISTS: errNo = EEXIST; break; case ERROR_OBJECT_NOT_FOUND: errNo = ENOENT; break; case ERROR_DISK_WRITE_PROTECTED: errNo = EROFS; break; default: errNo = 0; break; } @throw [OFMoveItemFailedException exceptionWithSourceURL: source destinationURL: destination errNo: errNo]; } #else of_string_encoding_t encoding = [OFLocale encoding]; if (rename([source.fileSystemRepresentation cStringWithEncoding: encoding], [destination.fileSystemRepresentation cStringWithEncoding: encoding]) != 0) @throw [OFMoveItemFailedException exceptionWithSourceURL: source destinationURL: destination errNo: errno]; #endif objc_autoreleasePoolPop(pool); return true; } @end