/*
* 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.
*/
#include "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"
static OFFileSingleton *of_file_stdin = nil;
static OFFileSingleton *of_file_stdout = nil;
static OFFileSingleton *of_file_stderr = nil;
@implementation OFFile
+ fileWithPath: (OFString*)path
mode: (OFString*)mode
{
return [[[self alloc] initWithPath: path
mode: mode] autorelease];
}
+ fileWithFilePointer: (FILE*)fp_
{
return [[[self alloc] initWithFilePointer: fp_] autorelease];
}
+ standardInput
{
if (of_file_stdin == nil)
of_file_stdin = [[OFFileSingleton alloc]
initWithFilePointer: stdin];
return of_file_stdin;
}
+ standardOutput
{
if (of_file_stdout == nil)
of_file_stdout = [[OFFileSingleton alloc]
initWithFilePointer: stdout];
return of_file_stdout;
}
+ standardError
{
if (of_file_stderr == nil)
of_file_stderr = [[OFFileSingleton alloc]
initWithFilePointer: stderr];
return of_file_stderr;
}
+ (BOOL)changeModeOfFile: (OFString*)path
toMode: (mode_t)mode
{
#ifndef _WIN32
return (chmod([path cString], mode) == 0 ? YES : NO);
#else
/*
* FIXME: On Win32, change write access
*/
return NO;
#endif
}
+ (BOOL)changeOwnerOfFile: (OFString*)path
owner: (uid_t)owner
group: (gid_t)group
{
/* FIXME: On error, throw exception */
#ifndef _WIN32
return (chown([path cString], owner, group) == 0 ? YES : NO);
#else
return NO;
#endif
}
+ (void)delete: (OFString*)path
{
/* FIXME: On error, throw exception */
unlink([path cString]);
}
+ (void)link: (OFString*)src
to: (OFString*)dest
{
#ifndef _WIN32
if (link([src cString], [dest cString]) != 0)
@throw [OFLinkFailedException newWithClass: self
source: src
destination: dest];
#else
@throw [OFNotImplementedException newWithClass: self
selector: _cmd];
#endif
}
+ (void)symlink: (OFString*)src
to: (OFString*)dest
{
#ifndef _WIN32
if (symlink([src cString], [dest cString]) != 0)
@throw [OFSymlinkFailedException newWithClass: self
source: src
destination: dest];
#else
@throw [OFNotImplementedException newWithClass: self
selector: _cmd];
#endif
}
- init
{
@throw [OFNotImplementedException newWithClass: isa
selector: _cmd];
}
- initWithPath: (OFString*)path
mode: (OFString*)mode
{
Class c;
self = [super init];
if ((fp = fopen([path cString], [mode cString])) == NULL) {
c = isa;
[super dealloc];
@throw [OFOpenFileFailedException newWithClass: c
path: path
mode: mode];
}
close = YES;
return self;
}
- initWithFilePointer: (FILE*)fp_
{
self = [super init];
fp = fp_;
return self;
}
- (void)dealloc
{
if (close == YES && fp != NULL)
fclose(fp);
[super dealloc];
}
- (BOOL)atEndOfStream
{
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
size: size
items: 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
size: size
items: 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
@implementation OFFileSingleton
- initWithPath: (OFString*)path
mode: (OFString*)mode
{
@throw [OFNotImplementedException newWithClass: isa
selector: _cmd];
}
- autorelease
{
return self;
}
- retain
{
return self;
}
- (void)release
{
}
- (size_t)retainCount
{
return SIZE_MAX;
}
- (void)dealloc
{
@throw [OFNotImplementedException newWithClass: isa
selector: _cmd];
[super dealloc]; /* Get rid of stupid warning */
}
@end