/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
* 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 "OFArray.h"
#import "OFDate.h"
#import "OFDictionary.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFLocalization.h"
#import "OFNumber.h"
#import "OFString.h"
#import "OFSystemInfo.h"
#import "OFURL.h"
#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif
#import "OFChangeCurrentDirectoryPathFailedException.h"
#import "OFCopyItemFailedException.h"
#import "OFCreateDirectoryFailedException.h"
#import "OFCreateSymbolicLinkFailedException.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFLinkFailedException.h"
#import "OFLockFailedException.h"
#import "OFMoveItemFailedException.h"
#import "OFNotImplementedException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFRemoveItemFailedException.h"
#import "OFRetrieveItemAttributesFailedException.h"
#import "OFSetItemAttributesFailedException.h"
#import "OFUndefinedKeyException.h"
#import "OFUnlockFailedException.h"
#ifdef OF_WINDOWS
# include <windows.h>
# include <direct.h>
# include <ntdef.h>
#endif
#ifdef OF_MORPHOS
# define BOOL EXEC_BOOL
# include <proto/dos.h>
# include <proto/locale.h>
# undef BOOL
#endif
#if defined(OF_WINDOWS)
typedef struct __stat64 of_stat_t;
#elif defined(OF_MORPHOS)
typedef struct {
of_offset_t st_size;
mode_t st_mode;
of_time_interval_t st_atime, st_mtime, st_ctime;
} of_stat_t;
#elif defined(OF_HAVE_OFF64_T)
typedef struct stat64 of_stat_t;
#else
typedef struct stat of_stat_t;
#endif
#ifndef S_ISLNK
# define S_ISLNK(s) 0
#endif
@interface OFFileManager_default: OFFileManager
@end
static OFFileManager *defaultManager;
const of_file_attribute_key_t of_file_attribute_key_size =
@"of_file_attribute_key_size";
const of_file_attribute_key_t of_file_attribute_key_type =
@"of_file_attribute_key_type";
const of_file_attribute_key_t of_file_attribute_key_posix_permissions =
@"of_file_attribute_key_posix_permissions";
const of_file_attribute_key_t of_file_attribute_key_posix_uid =
@"of_file_attribute_key_posix_uid";
const of_file_attribute_key_t of_file_attribute_key_posix_gid =
@"of_file_attribute_key_posix_gid";
const of_file_attribute_key_t of_file_attribute_key_owner =
@"of_file_attribute_key_owner";
const of_file_attribute_key_t of_file_attribute_key_group =
@"of_file_attribute_key_group";
const of_file_attribute_key_t of_file_attribute_key_last_access_date =
@"of_file_attribute_key_last_access_date";
const of_file_attribute_key_t of_file_attribute_key_modification_date =
@"of_file_attribute_key_modification_date";
const of_file_attribute_key_t of_file_attribute_key_status_change_date =
@"of_file_attribute_key_status_change_date";
const of_file_attribute_key_t of_file_attribute_key_symbolic_link_destination =
@"of_file_attribute_key_symbolic_link_destination";
const of_file_type_t of_file_type_regular = @"of_file_type_regular";
const of_file_type_t of_file_type_directory = @"of_file_type_directory";
const of_file_type_t of_file_type_symbolic_link = @"of_file_type_symbolic_link";
const of_file_type_t of_file_type_fifo = @"of_file_type_fifo";
const of_file_type_t of_file_type_character_special =
@"of_file_type_character_special";
const of_file_type_t of_file_type_block_special = @"of_file_type_block_special";
const of_file_type_t of_file_type_socket = @"of_file_type_socket";
#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
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_MORPHOS
static bool dirChanged = false;
static BPTR originalDirLock = 0;
OF_DESTRUCTOR()
{
if (dirChanged)
UnLock(CurrentDir(originalDirLock));
}
#endif
static int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(OF_WINDOWS)
return _wstat64([path UTF16String], buffer);
#elif defined(OF_MORPHOS)
BPTR lock;
struct FileInfoBlock fib;
of_time_interval_t timeInterval;
struct Locale *locale;
if ((lock = Lock([path cStringWithEncoding: [OFLocalization 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 (!Examine64(lock, &fib, TAG_DONE)) {
UnLock(lock);
errno = 0;
return -1;
}
UnLock(lock);
buffer->st_size = fib.fib_Size64;
buffer->st_mode = (fib.fib_DirEntryType > 0 ? S_IFDIR : S_IFREG);
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);
timeInterval += fib.fib_Date.ds_Days * 86400.0;
timeInterval += fib.fib_Date.ds_Minute * 60.0;
timeInterval +=
fib.fib_Date.ds_Tick / (of_time_interval_t)TICKS_PER_SECOND;
buffer->st_atime = buffer->st_mtime = buffer->st_ctime = timeInterval;
return 0;
#elif defined(OF_HAVE_OFF64_T)
return stat64([path cStringWithEncoding: [OFLocalization encoding]],
buffer);
#else
return stat([path cStringWithEncoding: [OFLocalization encoding]],
buffer);
#endif
}
static int
of_lstat(OFString *path, of_stat_t *buffer)
{
#if defined(HAVE_LSTAT) && !defined(OF_WINDOWS) && !defined(OF_MORPHOS)
# ifdef OF_HAVE_OFF64_T
return lstat64([path cStringWithEncoding: [OFLocalization encoding]],
buffer);
# else
return lstat([path cStringWithEncoding: [OFLocalization 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];
}
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 = [OFLocalization 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
}
static void
setSymbolicLinkDestinationAttribute(of_mutable_file_attributes_t attributes,
of_stat_t *s, OFString *path)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
# ifndef OF_WINDOWS
if (S_ISLNK(s->st_mode)) {
of_string_encoding_t encoding = [OFLocalization 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
exceptionWithPath: path
errNo: errno];
destination = [OFString stringWithCString: destinationC
encoding: encoding
length: length];
key = of_file_attribute_key_symbolic_link_destination;
[attributes setObject: destination
forKey: key];
}
# else
WIN32_FIND_DATAW data;
if (func_CreateSymbolicLinkW != NULL &&
FindFirstFileW([path UTF16String], &data) &&
(data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
data.dwReserved0 == IO_REPARSE_TAG_SYMLINK) {
HANDLE handle;
OFString *destination;
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
exceptionWithPath: path
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
exceptionWithPath: path
errNo: 0];
if (buffer.data.ReparseTag != IO_REPARSE_TAG_SYMLINK)
@throw [OFRetrieveItemAttributesFailedException
exceptionWithPath: path
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
}
static id
attributeForKeyOrException(of_file_attributes_t attributes,
of_file_attribute_key_t key)
{
id object = [attributes objectForKey: key];
if (object == nil)
@throw [OFUndefinedKeyException exceptionWithObject: attributes
key: key];
return object;
}
@implementation OFFileManager
+ (void)initialize
{
#ifdef OF_WINDOWS
HMODULE module;
#endif
if (self != [OFFileManager class])
return;
/*
* Make sure OFFile is initialized.
* On some systems, this is needed to initialize the file system driver.
*/
[OFFile class];
#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
defaultManager = [[OFFileManager_default alloc] init];
}
+ (OFFileManager *)defaultManager
{
return defaultManager;
}
- (OFString *)currentDirectoryPath
{
#if defined(OF_WINDOWS)
OFString *ret;
wchar_t *buffer = _wgetcwd(NULL, 0);
@try {
ret = [OFString stringWithUTF16String: buffer];
} @finally {
free(buffer);
}
return ret;
#elif defined(OF_MORPHOS)
char buffer[512];
if (!NameFromLock(((struct Process *)FindTask(NULL))->pr_CurrentDir,
buffer, 512)) {
if (IoErr() == ERROR_LINE_TOO_LONG)
@throw [OFOutOfRangeException exception];
return nil;
}
return [OFString stringWithCString: buffer
encoding: [OFLocalization encoding]];
#else
OFString *ret;
char *buffer = getcwd(NULL, 0);
@try {
ret = [OFString
stringWithCString: buffer
encoding: [OFLocalization encoding]];
} @finally {
free(buffer);
}
return ret;
#endif
}
- (OFURL *)currentDirectoryURL
{
OFMutableURL *URL = [OFMutableURL URL];
void *pool = objc_autoreleasePoolPush();
OFString *path;
[URL setScheme: @"file"];
#if OF_PATH_DELIMITER != '/'
path = [[[self currentDirectoryPath] pathComponents]
componentsJoinedByString: @"/"];
#else
path = [self currentDirectoryPath];
#endif
#ifndef OF_PATH_STARTS_WITH_SLASH
path = [path stringByPrependingString: @"/"];
#endif
[URL setPath: [path stringByAppendingString: @"/"]];
[URL makeImmutable];
objc_autoreleasePoolPop(pool);
return URL;
}
- (of_file_attributes_t)attributesOfItemAtPath: (OFString *)path
{
of_mutable_file_attributes_t ret = [OFMutableDictionary dictionary];
void *pool = objc_autoreleasePoolPush();
of_stat_t s;
if (path == nil)
@throw [OFInvalidArgumentException exception];
if (of_lstat(path, &s) == -1)
@throw [OFRetrieveItemAttributesFailedException
exceptionWithPath: path
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);
setSymbolicLinkDestinationAttribute(ret, &s, path);
objc_autoreleasePoolPop(pool);
return ret;
}
- (of_file_attributes_t)attributesOfItemAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
of_file_attributes_t ret = [self attributesOfItemAtPath:
[URL fileSystemRepresentation]];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
- (void)of_setPOSIXPermissions: (OFNumber *)permissions
ofItemAtPath: (OFString *)path
attributes: (of_file_attributes_t)attributes
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
uint16_t mode = [permissions uInt16Value] & 0777;
# ifndef OF_WINDOWS
if (chmod([path cStringWithEncoding: [OFLocalization encoding]],
mode) != 0)
# else
if (_wchmod([path UTF16String], mode) != 0)
# endif
@throw [OFSetItemAttributesFailedException
exceptionWithPath: path
attributes: attributes
failedAttribute: of_file_attribute_key_posix_permissions
errNo: errno];
#else
OF_UNRECOGNIZED_SELECTOR
#endif
}
- (void)of_setOwner: (OFString *)owner
andGroup: (OFString *)group
ofItemAtPath: (OFString *)path
attributeKey: (of_file_attribute_key_t)attributeKey
attributes: (of_file_attributes_t)attributes
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
uid_t uid = -1;
gid_t gid = -1;
of_string_encoding_t encoding;
if (owner == nil && group == nil)
@throw [OFInvalidArgumentException exception];
encoding = [OFLocalization encoding];
# ifdef OF_HAVE_THREADS
[passwdMutex lock];
@try {
# endif
if (owner != nil) {
struct passwd *passwd;
if ((passwd = getpwnam([owner
cStringWithEncoding: encoding])) == NULL)
@throw [OFSetItemAttributesFailedException
exceptionWithPath: path
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
exceptionWithPath: path
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
exceptionWithPath: path
attributes: attributes
failedAttribute: attributeKey
errNo: errno];
#else
OF_UNRECOGNIZED_SELECTOR
#endif
}
- (void)setAttributes: (of_file_attributes_t)attributes
ofItemAtPath: (OFString *)path
{
void *pool;
OFEnumerator OF_GENERIC(of_file_attribute_key_t) *keyEnumerator;
OFEnumerator *objectEnumerator;
of_file_attribute_key_t key;
id object;
if (path == nil)
@throw [OFInvalidArgumentException exception];
pool = objc_autoreleasePoolPush();
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
ofItemAtPath: path
attributes: attributes];
else if ([key isEqual: of_file_attribute_key_owner])
[self of_setOwner: object
andGroup: nil
ofItemAtPath: path
attributeKey: key
attributes: attributes];
else if ([key isEqual: of_file_attribute_key_group])
[self of_setOwner: nil
andGroup: object
ofItemAtPath: path
attributeKey: key
attributes: attributes];
else
@throw [OFInvalidArgumentException exception];
}
objc_autoreleasePoolPop(pool);
}
- (void)setAttributes: (of_file_attributes_t)attributes
ofItemAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
[self setAttributes: attributes
ofItemAtPath: [URL fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
}
- (bool)fileExistsAtPath: (OFString *)path
{
of_stat_t s;
if (path == nil)
@throw [OFInvalidArgumentException exception];
if (of_stat(path, &s) == -1)
return false;
return S_ISREG(s.st_mode);
}
- (bool)fileExistsAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
bool ret = [self fileExistsAtPath: [URL fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
return ret;
}
- (bool)directoryExistsAtPath: (OFString *)path
{
of_stat_t s;
if (path == nil)
@throw [OFInvalidArgumentException exception];
if (of_stat(path, &s) == -1)
return false;
return S_ISDIR(s.st_mode);
}
- (bool)directoryExistsAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
bool ret = [self directoryExistsAtPath: [URL fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
return ret;
}
- (void)createDirectoryAtPath: (OFString *)path
{
if (path == nil)
@throw [OFInvalidArgumentException exception];
#if defined(OF_WINDOWS)
if (_wmkdir([path UTF16String]) != 0)
@throw [OFCreateDirectoryFailedException
exceptionWithPath: path
errNo: errno];
#elif defined(OF_MORPHOS)
BPTR lock;
if ((lock = CreateDir(
[path cStringWithEncoding: [OFLocalization 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
exceptionWithPath: path
errNo: errNo];
}
UnLock(lock);
#else
if (mkdir([path cStringWithEncoding: [OFLocalization encoding]],
0777) != 0)
@throw [OFCreateDirectoryFailedException
exceptionWithPath: path
errNo: errno];
#endif
}
- (void)createDirectoryAtPath: (OFString *)path
createParents: (bool)createParents
{
OFString *currentPath = nil;
if (!createParents) {
[self createDirectoryAtPath: path];
return;
}
if (path == nil)
@throw [OFInvalidArgumentException exception];
for (OFString *component in [path pathComponents]) {
void *pool = objc_autoreleasePoolPush();
if (currentPath != nil)
currentPath = [currentPath
stringByAppendingPathComponent: component];
else
currentPath = component;
if ([currentPath length] > 0 &&
![self directoryExistsAtPath: currentPath])
[self createDirectoryAtPath: currentPath];
[currentPath retain];
objc_autoreleasePoolPop(pool);
[currentPath autorelease];
}
}
- (void)createDirectoryAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
[self createDirectoryAtPath: [URL fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
}
- (void)createDirectoryAtURL: (OFURL *)URL
createParents: (bool)createParents
{
void *pool = objc_autoreleasePoolPush();
[self createDirectoryAtPath: [URL fileSystemRepresentation]
createParents: createParents];
objc_autoreleasePoolPop(pool);
}
- (OFArray *)contentsOfDirectoryAtPath: (OFString *)path
{
OFMutableArray *files;
if (path == nil)
@throw [OFInvalidArgumentException exception];
files = [OFMutableArray array];
#if defined(OF_WINDOWS)
void *pool = objc_autoreleasePoolPush();
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 exceptionWithPath: path
mode: nil
errNo: errNo];
}
@try {
do {
OFString *file;
if (!wcscmp(fd.cFileName, L".") ||
!wcscmp(fd.cFileName, L".."))
continue;
file = [OFString stringWithUTF16String: 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);
}
objc_autoreleasePoolPop(pool);
#elif defined(OF_MORPHOS)
of_string_encoding_t encoding = [OFLocalization encoding];
BPTR lock;
struct FileInfoBlock fib;
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 exceptionWithPath: path
mode: nil
errNo: errNo];
}
@try {
if (!Examine(lock, &fib))
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: nil
errNo: 0];
while (ExNext(lock, &fib)) {
OFString *file;
file = [[OFString alloc]
initWithCString: fib.fib_FileName
encoding: encoding];
@try {
[files addObject: file];
} @finally {
[file release];
}
}
if (IoErr() != ERROR_NO_MORE_ENTRIES)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: 0
errNo: EIO];
} @finally {
UnLock(lock);
}
#else
of_string_encoding_t encoding = [OFLocalization encoding];
DIR *dir;
if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL)
@throw [OFOpenItemFailedException exceptionWithPath: path
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];
return files;
}
- (OFArray *)contentsOfDirectoryAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
OFArray *ret = [self contentsOfDirectoryAtPath:
[URL fileSystemRepresentation]];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
- (void)changeCurrentDirectoryPath: (OFString *)path
{
if (path == nil)
@throw [OFInvalidArgumentException exception];
#if defined(OF_WINDOWS)
if (_wchdir([path UTF16String]) != 0)
@throw [OFChangeCurrentDirectoryPathFailedException
exceptionWithPath: path
errNo: errno];
#elif defined(OF_MORPHOS)
BPTR lock, oldLock;
if ((lock = Lock([path cStringWithEncoding: [OFLocalization 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 [OFChangeCurrentDirectoryPathFailedException
exceptionWithPath: path
errNo: errNo];
}
oldLock = CurrentDir(lock);
if (!dirChanged)
originalDirLock = oldLock;
else
UnLock(oldLock);
dirChanged = true;
#else
if (chdir([path cStringWithEncoding: [OFLocalization encoding]]) != 0)
@throw [OFChangeCurrentDirectoryPathFailedException
exceptionWithPath: path
errNo: errno];
#endif
}
- (void)changeCurrentDirectoryURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
[self changeCurrentDirectoryPath: [URL fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
}
- (void)copyItemAtPath: (OFString *)source
toPath: (OFString *)destination
{
void *pool;
of_file_attributes_t attributes;
of_file_type_t type;
if (source == nil || destination == nil)
@throw [OFInvalidArgumentException exception];
pool = objc_autoreleasePoolPush();
if ([self fileExistsAtPath: destination])
@throw [OFCopyItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: EEXIST];
@try {
attributes = [self attributesOfItemAtPath: source];
} @catch (OFRetrieveItemAttributesFailedException *e) {
@throw [OFCopyItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: [e errNo]];
}
type = [attributes fileType];
if ([type isEqual: of_file_type_directory]) {
OFArray *contents;
@try {
[self createDirectoryAtPath: destination];
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
of_file_attribute_key_t key =
of_file_attribute_key_posix_permissions;
OFNumber *permissions = [attributes objectForKey: key];
of_file_attributes_t destinationAttributes =
[OFDictionary dictionaryWithObject: permissions
forKey: key];
[self setAttributes: destinationAttributes
ofItemAtPath: destination];
#endif
contents = [self contentsOfDirectoryAtPath: source];
} @catch (id e) {
/*
* Only convert exceptions to OFCopyItemFailedException
* that have an errNo property. This covers all I/O
* related exceptions from the operations used to copy
* an item, all others should be left as is.
*/
if ([e respondsToSelector: @selector(errNo)])
@throw [OFCopyItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: [e errNo]];
@throw e;
}
for (OFString *item in contents) {
void *pool2 = objc_autoreleasePoolPush();
OFString *sourcePath, *destinationPath;
sourcePath =
[source stringByAppendingPathComponent: item];
destinationPath =
[destination stringByAppendingPathComponent: item];
[self copyItemAtPath: sourcePath
toPath: destinationPath];
objc_autoreleasePoolPop(pool2);
}
} else if ([type isEqual: of_file_type_regular]) {
size_t pageSize = [OFSystemInfo pageSize];
OFFile *sourceFile = nil;
OFFile *destinationFile = nil;
char *buffer;
if ((buffer = malloc(pageSize)) == NULL)
@throw [OFOutOfMemoryException
exceptionWithRequestedSize: pageSize];
@try {
sourceFile = [OFFile fileWithPath: source
mode: @"r"];
destinationFile = [OFFile fileWithPath: destination
mode: @"w"];
while (![sourceFile isAtEndOfStream]) {
size_t length;
length = [sourceFile readIntoBuffer: buffer
length: pageSize];
[destinationFile writeBuffer: buffer
length: length];
}
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
of_file_attribute_key_t key =
of_file_attribute_key_posix_permissions;
OFNumber *permissions = [attributes objectForKey: key];
of_file_attributes_t destinationAttributes =
[OFDictionary dictionaryWithObject: permissions
forKey: key];
[self setAttributes: destinationAttributes
ofItemAtPath: destination];
#endif
} @catch (id e) {
/*
* Only convert exceptions to OFCopyItemFailedException
* that have an errNo property. This covers all I/O
* related exceptions from the operations used to copy
* an item, all others should be left as is.
*/
if ([e respondsToSelector: @selector(errNo)])
@throw [OFCopyItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: [e errNo]];
@throw e;
} @finally {
[sourceFile close];
[destinationFile close];
free(buffer);
}
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
} else if ([type isEqual: of_file_type_symbolic_link]) {
@try {
source = [attributes fileSymbolicLinkDestination];
[self createSymbolicLinkAtPath: destination
withDestinationPath: source];
} @catch (id e) {
/*
* Only convert exceptions to OFCopyItemFailedException
* that have an errNo property. This covers all I/O
* related exceptions from the operations used to copy
* an item, all others should be left as is.
*/
if ([e respondsToSelector: @selector(errNo)])
@throw [OFCopyItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: [e errNo]];
@throw e;
}
#endif
} else
@throw [OFCopyItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: EINVAL];
objc_autoreleasePoolPop(pool);
}
- (void)copyItemAtURL: (OFURL *)source
toURL: (OFURL *)destination
{
void *pool = objc_autoreleasePoolPush();
[self copyItemAtPath: [source fileSystemRepresentation]
toPath: [destination fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
}
- (void)moveItemAtPath: (OFString *)source
toPath: (OFString *)destination
{
of_stat_t s;
if (source == nil || destination == nil)
@throw [OFInvalidArgumentException exception];
if (of_lstat(destination, &s) == 0)
@throw [OFMoveItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: EEXIST];
#if defined(OF_WINDOWS)
void *pool = objc_autoreleasePoolPush();
if (_wrename([source UTF16String], [destination UTF16String]) != 0) {
if (errno != EXDEV)
@throw [OFMoveItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: errno];
#elif defined(OF_MORPHOS)
of_string_encoding_t encoding = [OFLocalization encoding];
if (!Rename([source cStringWithEncoding: encoding],
[destination cStringWithEncoding: encoding]) != 0) {
LONG err;
if ((err = IoErr()) != ERROR_RENAME_ACROSS_DEVICES) {
int errNo;
switch (err) {
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
exceptionWithSourcePath: source
destinationPath: destination
errNo: errNo];
}
#else
of_string_encoding_t encoding = [OFLocalization encoding];
if (rename([source cStringWithEncoding: encoding],
[destination cStringWithEncoding: encoding]) != 0) {
if (errno != EXDEV)
@throw [OFMoveItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: errno];
#endif
@try {
[self copyItemAtPath: source
toPath: destination];
} @catch (OFCopyItemFailedException *e) {
[self removeItemAtPath: destination];
@throw [OFMoveItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: [e errNo]];
}
@try {
[self removeItemAtPath: source];
} @catch (OFRemoveItemFailedException *e) {
@throw [OFMoveItemFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: [e errNo]];
}
}
#ifdef OF_WINDOWS
objc_autoreleasePoolPop(pool);
#endif
}
- (void)moveItemAtURL: (OFURL *)source
toURL: (OFURL *)destination
{
void *pool = objc_autoreleasePoolPush();
[self moveItemAtPath: [source fileSystemRepresentation]
toPath: [destination fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
}
- (void)removeItemAtPath: (OFString *)path
{
void *pool;
of_stat_t s;
if (path == nil)
@throw [OFInvalidArgumentException exception];
pool = objc_autoreleasePoolPush();
if (of_lstat(path, &s) != 0)
@throw [OFRemoveItemFailedException exceptionWithPath: path
errNo: errno];
if (S_ISDIR(s.st_mode)) {
OFArray *contents;
@try {
contents = [self contentsOfDirectoryAtPath: path];
} @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
exceptionWithPath: path
errNo: [e errNo]];
@throw e;
}
for (OFString *item in contents) {
void *pool2 = objc_autoreleasePoolPush();
[self removeItemAtPath:
[path stringByAppendingPathComponent: item]];
objc_autoreleasePoolPop(pool2);
}
#ifndef OF_MORPHOS
# ifndef OF_WINDOWS
if (rmdir([path cStringWithEncoding:
[OFLocalization encoding]]) != 0)
# else
if (_wrmdir([path UTF16String]) != 0)
# endif
@throw [OFRemoveItemFailedException
exceptionWithPath: path
errNo: errno];
} else {
# ifndef OF_WINDOWS
if (unlink([path cStringWithEncoding:
[OFLocalization encoding]]) != 0)
# else
if (_wunlink([path UTF16String]) != 0)
# endif
@throw [OFRemoveItemFailedException
exceptionWithPath: path
errNo: errno];
#endif
}
#ifdef OF_MORPHOS
if (!DeleteFile(
[path cStringWithEncoding: [OFLocalization 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 exceptionWithPath: path
errNo: errNo];
}
#endif
objc_autoreleasePoolPop(pool);
}
- (void)removeItemAtURL: (OFURL *)URL
{
void *pool = objc_autoreleasePoolPush();
[self removeItemAtPath: [URL fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
}
#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS
- (void)linkItemAtPath: (OFString *)source
toPath: (OFString *)destination
{
void *pool;
if (source == nil || destination == nil)
@throw [OFInvalidArgumentException exception];
pool = objc_autoreleasePoolPush();
# ifndef OF_WINDOWS
of_string_encoding_t encoding = [OFLocalization encoding];
if (link([source cStringWithEncoding: encoding],
[destination cStringWithEncoding: encoding]) != 0)
@throw [OFLinkFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: errno];
# else
if (!CreateHardLinkW([destination UTF16String],
[source UTF16String], NULL))
@throw [OFLinkFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: 0];
# endif
objc_autoreleasePoolPop(pool);
}
#endif
- (void)linkItemAtURL: (OFURL *)source
toURL: (OFURL *)destination
{
#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS
void *pool = objc_autoreleasePoolPush();
[self linkItemAtPath: [source fileSystemRepresentation]
toPath: [destination fileSystemRepresentation]];
objc_autoreleasePoolPop(pool);
#else
OF_UNRECOGNIZED_SELECTOR
#endif
}
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
- (void)createSymbolicLinkAtPath: (OFString *)destination
withDestinationPath: (OFString *)source
{
void *pool;
if (source == nil || destination == nil)
@throw [OFInvalidArgumentException exception];
pool = objc_autoreleasePoolPush();
# ifndef OF_WINDOWS
of_string_encoding_t encoding = [OFLocalization encoding];
if (symlink([source cStringWithEncoding: encoding],
[destination cStringWithEncoding: encoding]) != 0)
@throw [OFCreateSymbolicLinkFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: errno];
# else
if (func_CreateSymbolicLinkW == NULL)
@throw [OFNotImplementedException exceptionWithSelector: _cmd
object: self];
if (!func_CreateSymbolicLinkW([destination UTF16String],
[source UTF16String], 0))
@throw [OFCreateSymbolicLinkFailedException
exceptionWithSourcePath: source
destinationPath: destination
errNo: 0];
# endif
objc_autoreleasePoolPop(pool);
}
#endif
- (void)createSymbolicLinkAtURL: (OFURL *)destination
withDestinationPath: (OFString *)source
{
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
void *pool = objc_autoreleasePoolPush();
[self createSymbolicLinkAtPath: [destination fileSystemRepresentation]
withDestinationPath: source];
objc_autoreleasePoolPop(pool);
#else
OF_UNRECOGNIZED_SELECTOR
#endif
}
@end
@implementation OFDictionary (FileAttributes)
- (uintmax_t)fileSize
{
return [attributeForKeyOrException(self, of_file_attribute_key_size)
uIntMaxValue];
}
- (of_file_type_t)fileType
{
return attributeForKeyOrException(self, of_file_attribute_key_type);
}
- (uint16_t)filePOSIXPermissions
{
return [attributeForKeyOrException(self,
of_file_attribute_key_posix_permissions) uInt16Value];
}
- (uint32_t)filePOSIXUID
{
return [attributeForKeyOrException(self,
of_file_attribute_key_posix_uid) uInt32Value];
}
- (uint32_t)filePOSIXGID
{
return [attributeForKeyOrException(self,
of_file_attribute_key_posix_gid) uInt32Value];
}
- (OFString *)fileOwner
{
return attributeForKeyOrException(self, of_file_attribute_key_owner);
}
- (OFString *)fileGroup
{
return attributeForKeyOrException(self, of_file_attribute_key_group);
}
- (OFDate *)fileLastAccessDate
{
return attributeForKeyOrException(self,
of_file_attribute_key_last_access_date);
}
- (OFDate *)fileModificationDate
{
return attributeForKeyOrException(self,
of_file_attribute_key_modification_date);
}
- (OFDate *)fileStatusChangeDate
{
return attributeForKeyOrException(self,
of_file_attribute_key_status_change_date);
}
- (OFString *)fileSymbolicLinkDestination
{
return attributeForKeyOrException(self,
of_file_attribute_key_symbolic_link_destination);
}
@end
@implementation OFFileManager_default
- (instancetype)autorelease
{
return self;
}
- (instancetype)retain
{
return self;
}
- (void)release
{
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
@end