/*
* 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 <stdio.h>
#ifndef _WIN32
#include <sys/types.h>
#else
typedef int uid_t;
typedef int gid_t;
#endif
#import "OFStream.h"
#import "OFString.h"
/**
* The OFFile class provides functions to read, write and manipulate files.
*/
@interface OFFile: OFStream
{
FILE *fp;
}
/**
* \param path The path to the file to open as a string
* \param mode The mode in which the file should be opened as a string
* \return A new autoreleased OFFile
*/
+ fileWithPath: (OFString*)path
mode: (OFString*)mode;
/**
* \return An OFFile singleton for stdin
*/
+ standardInput;
/**
* \return An OFFile singleton for stdout
*/
+ standardOutput;
/**
* \return An OFFile singleton for stderr
*/
+ standardError;
/**
* Changes the mode of a file.
*
* Not available on Windows.
*
* \param path The path to the file of which the mode should be changed as a
* string
* \param mode The new mode for the file
* \return A boolean whether the operation succeeded
*/
+ (void)changeModeOfFile: (OFString*)path
toMode: (mode_t)mode;
/**
* Changes the owner of a file.
*
* Not available on Windows.
*
* \param path The path to the file of which the owner should be changed as a
* string
* \param owner The new owner for the file
* \param group The new group for the file
* \return A boolean whether the operation succeeded
*/
+ (void)changeOwnerOfFile: (OFString*)path
owner: (uid_t)owner
group: (gid_t)group;
/**
* Deletes a file.
*
* \param path The path to the file of which should be deleted as a string
* \return A boolean whether the operation succeeded
*/
+ (void)delete: (OFString*)path;
/**
* Hardlinks a file.
*
* Not available on Windows.
*
* \param src The path to the file of which should be linked as a string
* \param dest The path to where the file should be linked as a string
* \return A boolean whether the operation succeeded
*/
+ (void)link: (OFString*)src
to: (OFString*)dest;
/**
* Symlinks a file.
*
* Not available on Windows.
*
* \param src The path to the file of which should be symlinked as a string
* \param dest The path to where the file should be symlinked as a string
* \return A boolean whether the operation succeeded
*/
+ (void)symlink: (OFString*)src
to: (OFString*)dest;
/**
* Initializes an already allocated OFFile.
*
* \param path The path to the file to open as a string
* \param mode The mode in which the file should be opened as a string
* \return An initialized OFFile
*/
- initWithPath: (OFString*)path
mode: (OFString*)mode;
/**
* Reads from the file into a buffer.
*
* \param buf The buffer into which the data is read
* \param size The size of the data that should be read.
* The buffer MUST be at least size * nitems big!
* \param nitems nitem The number of items to read
* The buffer MUST be at least size * nitems big!
* \return The number of bytes read
*/
- (size_t)readNItems: (size_t)nitems
ofSize: (size_t)size
intoBuffer: (char*)buf;
/**
* Writes from a buffer into the file.
*
* \param buf The buffer from which the data is written to the file
* \param size The size of the data that should be written
* \param nitem The number of items to write
* \return The number of bytes written
*/
- (size_t)writeNItems: (size_t)nitems
ofSize: (size_t)size
fromBuffer: (const char*)buf;
@end
@interface OFFileSingleton: OFFile
- initWithFilePointer: (FILE*)fp;
@end