00001 /* 00002 * (c) 2017 BlackBerry Limited. All rights reserved. 00003 * 00004 */ 00005 00006 #pragma once 00007 00008 #import <Foundation/Foundation.h> 00009 #import "GDPortability.h" 00010 00011 GD_NS_ASSUME_NONNULL_BEGIN 00012 00255 @interface GDFileHandle : NSFileHandle 00256 00257 - (NSData *)readDataToEndOfFile; 00258 - (NSData *)readDataOfLength:(NSUInteger)length; 00259 00260 - (void)writeData:(NSData *)data; 00261 - (unsigned long long)seekToEndOfFile; 00262 - (void)seekToFileOffset:(unsigned long long)offset; 00263 - (void)truncateFileAtOffset:(unsigned long long)offset; 00264 - (void)synchronizeFile; 00265 - (void)closeFile; 00266 00267 - (instancetype)initWithFileDescriptor:(int)fd closeOnDealloc:(BOOL)closeopt; 00268 - (GD_NSNULLABLE instancetype)initWithCoder:(NSCoder *)coder NS_DESIGNATED_INITIALIZER; 00269 00270 + (GD_NSNULLABLE instancetype)fileHandleForReadingAtPath:(NSString *)path; 00271 + (GD_NSNULLABLE instancetype)fileHandleForWritingAtPath:(NSString *)path; 00272 + (GD_NSNULLABLE instancetype)fileHandleForUpdatingAtPath:(NSString *)path; 00273 00274 + (GD_NSNULLABLE instancetype)fileHandleForReadingFromURL:(NSURL *)url error:(NSError **)error; 00275 + (GD_NSNULLABLE instancetype)fileHandleForWritingToURL:(NSURL *)url error:(NSError **)error; 00276 + (GD_NSNULLABLE instancetype)fileHandleForUpdatingURL:(NSURL *)url error:(NSError **)error; 00277 00278 @property (atomic, readonly, copy) NSData *availableData; 00279 @property (atomic, readonly) unsigned long long offsetInFile; 00280 @property (atomic, readonly) int fileDescriptor; 00281 00282 // unavailable 00283 + (NSFileHandle *)fileHandleWithStandardInput; 00284 + (NSFileHandle *)fileHandleWithStandardOutput; 00285 + (NSFileHandle *)fileHandleWithStandardError; 00286 + (NSFileHandle *)fileHandleWithNullDevice; 00287 - (void)readInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes; 00288 - (void)readInBackgroundAndNotify; 00289 - (void)readToEndOfFileInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes; 00290 - (void)readToEndOfFileInBackgroundAndNotify; 00291 - (void)acceptConnectionInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes; 00292 - (void)acceptConnectionInBackgroundAndNotify; 00293 - (void)waitForDataInBackgroundAndNotifyForModes:(GD_NSNULLABLE GD_NSArray(NSString *) *)modes; 00294 - (void)waitForDataInBackgroundAndNotify; 00295 // 00296 00297 @end 00298 00299 GD_NS_ASSUME_NONNULL_END