| 1 |
efrain |
1 |
// Copyright 2018 Google
|
|
|
2 |
//
|
|
|
3 |
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
4 |
// you may not use this file except in compliance with the License.
|
|
|
5 |
// You may obtain a copy of the License at
|
|
|
6 |
//
|
|
|
7 |
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
8 |
//
|
|
|
9 |
// Unless required by applicable law or agreed to in writing, software
|
|
|
10 |
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
11 |
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
12 |
// See the License for the specific language governing permissions and
|
|
|
13 |
// limitations under the License.
|
|
|
14 |
|
|
|
15 |
#import <Foundation/Foundation.h>
|
|
|
16 |
|
|
|
17 |
/// This is a copy of Google Toolbox for Mac library to avoid creating an extra framework.
|
|
|
18 |
|
|
|
19 |
// NOTE: For 64bit, none of these apis handle input sizes >32bits, they will return nil when given
|
|
|
20 |
// such data. To handle data of that size you really should be streaming it rather then doing it all
|
|
|
21 |
// in memory.
|
|
|
22 |
|
|
|
23 |
@interface NSData (GULGzip)
|
|
|
24 |
|
|
|
25 |
/// Returns an data as the result of decompressing the payload of |data|.The data to decompress must
|
|
|
26 |
/// be a gzipped payloads.
|
|
|
27 |
+ (NSData *)gul_dataByInflatingGzippedData:(NSData *)data error:(NSError **)error;
|
|
|
28 |
|
|
|
29 |
/// Returns an compressed data with the result of gzipping the payload of |data|. Uses the default
|
|
|
30 |
/// compression level.
|
|
|
31 |
+ (NSData *)gul_dataByGzippingData:(NSData *)data error:(NSError **)error;
|
|
|
32 |
|
|
|
33 |
FOUNDATION_EXPORT NSString *const GULNSDataZlibErrorDomain;
|
|
|
34 |
FOUNDATION_EXPORT NSString *const GULNSDataZlibErrorKey; // NSNumber
|
|
|
35 |
FOUNDATION_EXPORT NSString *const GULNSDataZlibRemainingBytesKey; // NSNumber
|
|
|
36 |
|
|
|
37 |
typedef NS_ENUM(NSInteger, GULNSDataZlibError) {
|
|
|
38 |
GULNSDataZlibErrorGreaterThan32BitsToCompress = 1024,
|
|
|
39 |
// An internal zlib error.
|
|
|
40 |
// GULNSDataZlibErrorKey will contain the error value.
|
|
|
41 |
// NSLocalizedDescriptionKey may contain an error string from zlib.
|
|
|
42 |
// Look in zlib.h for list of errors.
|
|
|
43 |
GULNSDataZlibErrorInternal,
|
|
|
44 |
// There was left over data in the buffer that was not used.
|
|
|
45 |
// GULNSDataZlibRemainingBytesKey will contain number of remaining bytes.
|
|
|
46 |
GULNSDataZlibErrorDataRemaining
|
|
|
47 |
};
|
|
|
48 |
|
|
|
49 |
@end
|