/*
* Copyright (c) 2008 - 2009
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of libobjfw. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#import "config.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#ifndef _WIN32
#include <sys/types.h>
#include <sys/stat.h>
#endif
#import "OFFile.h"
#import "OFExceptions.h"
@implementation OFFile
+ fileWithPath: (const char*)path
andMode: (const char*)mode
{
return [[[OFFile alloc] initWithPath: path
andMode: mode] autorelease];
}
+ (void)changeModeOfFile: (const char*)path
toMode: (mode_t)mode
{
/*
* FIXME: On error, throw exception
* FIXME: On Win32, change write access
*/
#ifndef _WIN32
chmod(path, mode);
#endif
}
+ (void)changeOwnerOfFile: (const char*)path
toOwner: (uid_t)owner
andGroup: (gid_t)group
{
/* FIXME: On error, throw exception */
#ifndef _WIN32
chown(path, owner, group);
#endif
}
+ (void)delete: (const char*)path
{
/* FIXME: On error, throw exception */
unlink(path);
}
+ (void)link: (const char*)src
to: (const char*)dest
{
/* FIXME: On error, throw exception */
#ifndef _WIN32
link(src, dest);
#endif
}
+ (void)symlink: (const char*)src
to: (const char*)dest
{
/* FIXME: On error, throw exception */
#ifndef _WIN32
symlink(src, dest);
#endif
}
- initWithPath: (const char*)path
andMode: (const char*)mode
{
Class c;
self = [super init];
if ((fp = fopen(path, mode)) == NULL) {
c = isa;
[super free];
@throw [OFOpenFileFailedException newWithClass: c
andPath: path
andMode: mode];
}
return self;
}
- free
{
if (fp != NULL)
fclose(fp);
return [super free];
}
- (BOOL)atEndOfFile
{
if (fp == NULL)
return YES;
return (feof(fp) == 0 ? NO : YES);
}
- (size_t)readNItems: (size_t)nitems
ofSize: (size_t)size
intoBuffer: (char*)buf
{
size_t ret;
if (fp == NULL || feof(fp) ||
((ret = fread(buf, size, nitems, fp)) == 0 &&
size != 0 && nitems != 0 && !feof(fp)))
@throw [OFReadFailedException newWithClass: isa
andSize: size
andNItems: nitems];
return ret;
}
- (size_t)readNBytes: (size_t)size
intoBuffer: (char*)buf
{
return [self readNItems: size
ofSize: 1
intoBuffer: buf];
}
- (size_t)writeNItems: (size_t)nitems
ofSize: (size_t)size
fromBuffer: (const char*)buf
{
size_t ret;
if (fp == NULL || feof(fp) ||
((ret = fwrite(buf, size, nitems, fp)) < nitems &&
size != 0 && nitems != 0))
@throw [OFWriteFailedException newWithClass: isa
andSize: size
andNItems: nitems];
return ret;
}
- (size_t)writeNBytes: (size_t)size
fromBuffer: (const char*)buf
{
return [self writeNItems: size
ofSize: 1
fromBuffer: buf];
}
- (size_t)writeCString: (const char*)str
{
return [self writeNItems: strlen(str)
ofSize: 1
fromBuffer: str];
}
- close
{
fclose(fp);
fp = NULL;
return self;
}
@end