64 lines
2.1 KiB
Objective-C
64 lines
2.1 KiB
Objective-C
//
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// NSData+GZip.h
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//
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// Created by Karl Stenerud on 2012-02-19.
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//
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// Copyright (c) 2012 Karl Stenerud. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall remain in place
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// in this source code.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#import <Foundation/Foundation.h>
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/**
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* GNU zip/unzip support for NSData.
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*/
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@interface NSData (KSGZip)
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/**
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* Gzip the data in this object (no header).
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*
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* @param compressionLevel The GZip compression level to use:
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* 0 = no compression.
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* 1 = best speed.
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* 9 = best compression.
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* -1 = default.
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*
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* @param error (optional) Set to any error that occurs, or nil if no error.
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* Pass nil to ignore.
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*
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* @return A new NSData with the gzipped contents of this object.
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*/
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- (NSData*) gzippedWithCompressionLevel:(int) compressionLevel
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error:(NSError**) error;
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/**
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* Gunzip the data in this object (no header).
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*
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* @param error (optional) Set to any error that occurs, or nil if no error.
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* Pass nil to ignore.
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*
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* @return A new NSData with the gunzipped contents of this object.
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*/
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- (NSData*) gunzippedWithError:(NSError**) error;
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@end
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