From 2a5219567634ab7ab74314ff3615132becadff4a Mon Sep 17 00:00:00 2001 From: thomasvl Date: Mon, 28 Jan 2008 20:19:42 +0000 Subject: initial drop of a few sources to start things out --- Foundation/GTMNSData+zlib.h | 83 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Foundation/GTMNSData+zlib.h (limited to 'Foundation/GTMNSData+zlib.h') diff --git a/Foundation/GTMNSData+zlib.h b/Foundation/GTMNSData+zlib.h new file mode 100644 index 0000000..2c937c9 --- /dev/null +++ b/Foundation/GTMNSData+zlib.h @@ -0,0 +1,83 @@ +// +// GTMNSData+zlib.h +// +// Copyright 2007-2008 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); you may not +// use this file except in compliance with the License. You may obtain a copy +// of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations under +// the License. +// + +#import + +/// Helpers for dealing w/ zlib inflate/deflate calls. +@interface NSData (GTMZLibAdditions) + +/// Return an autoreleased NSData w/ the result of gzipping the bytes. +// +// Uses the default compression level. ++ (NSData *)gtm_dataByGzippingBytes:(const void *)bytes + length:(unsigned)length; + +/// Return an autoreleased NSData w/ the result of gzipping the payload of |data|. +// +// Uses the default compression level. ++ (NSData *)gtm_dataByGzippingData:(NSData *)data; + +/// Return an autoreleased NSData w/ the result of gzipping the bytes using |level| compression level. +// +// |level| can be 1-9, any other values will be clipped to that range. ++ (NSData *)gtm_dataByGzippingBytes:(const void *)bytes + length:(unsigned)length + compressionLevel:(int)level; + +/// Return an autoreleased NSData w/ the result of gzipping the payload of |data| using |level| compression level. ++ (NSData *)gtm_dataByGzippingData:(NSData *)data + compressionLevel:(int)level; + +// NOTE: deflate is *NOT* gzip. deflate is a "zlib" stream. pick which one +// you really want to create. (the inflate api will handle either) + +/// Return an autoreleased NSData w/ the result of deflating the bytes. +// +// Uses the default compression level. ++ (NSData *)gtm_dataByDeflatingBytes:(const void *)bytes + length:(unsigned)length; + +/// Return an autoreleased NSData w/ the result of deflating the payload of |data|. +// +// Uses the default compression level. ++ (NSData *)gtm_dataByDeflatingData:(NSData *)data; + +/// Return an autoreleased NSData w/ the result of deflating the bytes using |level| compression level. +// +// |level| can be 1-9, any other values will be clipped to that range. ++ (NSData *)gtm_dataByDeflatingBytes:(const void *)bytes + length:(unsigned)length + compressionLevel:(int)level; + +/// Return an autoreleased NSData w/ the result of deflating the payload of |data| using |level| compression level. ++ (NSData *)gtm_dataByDeflatingData:(NSData *)data + compressionLevel:(int)level; + + +/// Return an autoreleased NSData w/ the result of decompressing the bytes. +// +// The bytes to decompress can be zlib or gzip payloads. ++ (NSData *)gtm_dataByInflatingBytes:(const void *)bytes + length:(unsigned)length; + +/// Return an autoreleased NSData w/ the result of decompressing the payload of |data|. +// +// The data to decompress can be zlib or gzip payloads. ++ (NSData *)gtm_dataByInflatingData:(NSData *)data; + +@end -- cgit v1.2.3