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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@29615 72102866-910b-0410-8b05-ffd578937521
111 lines
3.9 KiB
Objective-C
111 lines
3.9 KiB
Objective-C
/** Declaration of extension methods for base additions
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Copyright (C) 2003-2010 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <rfm@gnu.org>
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and: Adam Fedor <fedor@gnu.org>
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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*/
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#ifndef INCLUDED_NSData_GNUstepBase_h
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#define INCLUDED_NSData_GNUstepBase_h
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#import <GNUstepBase/GSVersionMacros.h>
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#import <Foundation/NSData.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#if OS_API_VERSION(GS_API_NONE,GS_API_LATEST)
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@interface NSData (GNUstepBase)
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/**
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* Returns an NSString object containing an ASCII hexadecimal representation
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* of the receiver. This means that the returned object will contain
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* exactly twice as many characters as there are bytes as the receiver,
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* as each byte in the receiver is represented by two hexadecimal digits.<br />
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* The high order four bits of each byte is encoded before the low
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* order four bits. Capital letters 'A' to 'F' are used to represent
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* values from 10 to 15.<br />
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* If you need the hexadecimal representation as raw byte data, use code
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* like -
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* <example>
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* hexData = [[sourceData hexadecimalRepresentation]
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* dataUsingEncoding: NSASCIIStringEncoding];
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* </example>
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*/
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- (NSString*) hexadecimalRepresentation;
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/**
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* Initialises the receiver with the supplied string data which contains
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* a hexadecimal coding of the bytes. The parsing of the string is
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* fairly tolerant, ignoring whitespace and permitting both upper and
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* lower case hexadecimal digits (the -hexadecimalRepresentation method
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* produces a string using only uppercase digits with no white space).<br />
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* If the string does not contain one or more pairs of hexadecimal digits
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* then an exception is raised.
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*/
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- (id) initWithHexadecimalRepresentation: (NSString*)string;
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/**
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* Creates an MD5 digest of the information stored in the receiver and
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* returns it as an autoreleased 16 byte NSData object.<br />
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* If you need to produce a digest of string information, you need to
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* decide what character encoding is to be used and convert your string
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* to a data object of that encoding type first using the
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* [NSString-dataUsingEncoding:] method -
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* <example>
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* myDigest = [[myString dataUsingEncoding: NSUTF8StringEncoding] md5Digest];
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* </example>
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* If you need to use the digest in a human readable form, you will
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* probably want it to be seen as 32 hexadecimal digits, and can do that
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* using the -hexadecimalRepresentation method.
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*/
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- (NSData*) md5Digest;
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/**
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* Decodes the source data from uuencoded and return the result.<br />
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* Returns the encoded file name in namePtr if it is not null.
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* Returns the encoded file mode in modePtr if it is not null.
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*/
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- (BOOL) uudecodeInto: (NSMutableData*)decoded
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name: (NSString**)namePtr
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mode: (NSInteger*)modePtr;
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/**
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* Encode the source data to uuencoded.<br />
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* Uses the supplied name as the filename in the encoded data,
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* and says that the file mode is as specified.<br />
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* If no name is supplied, uses <code>untitled</code> as the name.
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*/
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- (BOOL) uuencodeInto: (NSMutableData*)encoded
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name: (NSString*)name
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mode: (NSInteger)mode;
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@end
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#endif /* OS_API_VERSION */
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#if defined(__cplusplus)
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}
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#endif
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#endif /* INCLUDED_NSData_GNUstepBase_h */
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