| commit | author | age | ||
| a6c014 | 1 | // Copyright 2018 Google |
| L | 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 | |
