GDFileHandle.h

Go to the documentation of this file.

/*
 * (c) 2017 BlackBerry Limited. All rights reserved.
 *
 */
 
#pragma once
 
#import <Foundation/Foundation.h>
#import "GDPortability.h"
 
GD_NS_ASSUME_NONNULL_BEGIN
 
@interface GDFileHandle : NSFileHandle
 
- (NSData *)readDataToEndOfFile;
- (NSData *)readDataOfLength:(NSUInteger)length;
 
- (void)writeData:(NSData *)data;
- (unsigned long long)seekToEndOfFile;
- (void)seekToFileOffset:(unsigned long long)offset;
- (void)truncateFileAtOffset:(unsigned long long)offset;
- (void)synchronizeFile;
- (void)closeFile;
 
- (instancetype)initWithFileDescriptor:(int)fd closeOnDealloc:(BOOL)closeopt;
- (GD_NSNULLABLE instancetype)initWithCoder:(NSCoder *)coder NS_DESIGNATED_INITIALIZER;
 
+ (GD_NSNULLABLE instancetype)fileHandleForReadingAtPath:(NSString *)path;
+ (GD_NSNULLABLE instancetype)fileHandleForWritingAtPath:(NSString *)path;
+ (GD_NSNULLABLE instancetype)fileHandleForUpdatingAtPath:(NSString *)path;
 
+ (GD_NSNULLABLE instancetype)fileHandleForReadingFromURL:(NSURL *)url error:(NSError **)error;
+ (GD_NSNULLABLE instancetype)fileHandleForWritingToURL:(NSURL *)url error:(NSError **)error;
+ (GD_NSNULLABLE instancetype)fileHandleForUpdatingURL:(NSURL *)url error:(NSError **)error;
 
@property (atomic, readonly, copy) NSData *availableData;
@property (atomic, readonly) unsigned long long offsetInFile;
@property (atomic, readonly) int fileDescriptor;
 
// unavailable
+ (NSFileHandle *)fileHandleWithStandardInput;
+ (NSFileHandle *)fileHandleWithStandardOutput;
+ (NSFileHandle *)fileHandleWithStandardError;
+ (NSFileHandle *)fileHandleWithNullDevice;
- (void)readInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes;
- (void)readInBackgroundAndNotify;
- (void)readToEndOfFileInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes;
- (void)readToEndOfFileInBackgroundAndNotify;
- (void)acceptConnectionInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes;
- (void)acceptConnectionInBackgroundAndNotify;
- (void)waitForDataInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes;
- (void)waitForDataInBackgroundAndNotify;
//
 
@end
 
GD_NS_ASSUME_NONNULL_END