diff options
Diffstat (limited to 'StoneIsland/platforms/ios/Pods/GoogleToolboxForMac/Foundation/GTMNSData+zlib.m')
| -rw-r--r-- | StoneIsland/platforms/ios/Pods/GoogleToolboxForMac/Foundation/GTMNSData+zlib.m | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/StoneIsland/platforms/ios/Pods/GoogleToolboxForMac/Foundation/GTMNSData+zlib.m b/StoneIsland/platforms/ios/Pods/GoogleToolboxForMac/Foundation/GTMNSData+zlib.m deleted file mode 100644 index bf74b2d2..00000000 --- a/StoneIsland/platforms/ios/Pods/GoogleToolboxForMac/Foundation/GTMNSData+zlib.m +++ /dev/null @@ -1,531 +0,0 @@ -// -// GTMNSData+zlib.m -// -// 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 "GTMNSData+zlib.h" -#import <zlib.h> -#import "GTMDefines.h" - -#define kChunkSize 1024 - -NSString *const GTMNSDataZlibErrorDomain = @"com.google.GTMNSDataZlibErrorDomain"; -NSString *const GTMNSDataZlibErrorKey = @"GTMNSDataZlibErrorKey"; -NSString *const GTMNSDataZlibRemainingBytesKey = @"GTMNSDataZlibRemainingBytesKey"; - -typedef enum { - CompressionModeZlib, - CompressionModeGzip, - CompressionModeRaw, -} CompressionMode; - -@interface NSData (GTMZlibAdditionsPrivate) -+ (NSData *)gtm_dataByCompressingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level - mode:(CompressionMode)mode - error:(NSError **)error; -+ (NSData *)gtm_dataByInflatingBytes:(const void *)bytes - length:(NSUInteger)length - isRawData:(BOOL)isRawData - error:(NSError **)error; -@end - -@implementation NSData (GTMZlibAdditionsPrivate) - -+ (NSData *)gtm_dataByCompressingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level - mode:(CompressionMode)mode - error:(NSError **)error { - if (!bytes || !length) { - return nil; - } - -#if defined(__LP64__) && __LP64__ - // Don't support > 32bit length for 64 bit, see note in header. - if (length > UINT_MAX) { - if (error) { - *error = [NSError errorWithDomain:GTMNSDataZlibErrorDomain - code:GTMNSDataZlibErrorGreaterThan32BitsToCompress - userInfo:nil]; - } - return nil; - } -#endif - - if (level == Z_DEFAULT_COMPRESSION) { - // the default value is actually outside the range, so we have to let it - // through specifically. - } else if (level < Z_BEST_SPEED) { - level = Z_BEST_SPEED; - } else if (level > Z_BEST_COMPRESSION) { - level = Z_BEST_COMPRESSION; - } - - z_stream strm; - bzero(&strm, sizeof(z_stream)); - - int memLevel = 8; // the default - int windowBits = 15; // the default - switch (mode) { - case CompressionModeZlib: - // nothing to do - break; - - case CompressionModeGzip: - windowBits += 16; // enable gzip header instead of zlib header - break; - - case CompressionModeRaw: - windowBits *= -1; // Negative to mean no header. - break; - } - int retCode; - if ((retCode = deflateInit2(&strm, level, Z_DEFLATED, windowBits, - memLevel, Z_DEFAULT_STRATEGY)) != Z_OK) { - // COV_NF_START - no real way to force this in a unittest (we guard all args) - if (error) { - NSDictionary *userInfo = [NSDictionary dictionaryWithObject:[NSNumber numberWithInt:retCode] - forKey:GTMNSDataZlibErrorKey]; - *error = [NSError errorWithDomain:GTMNSDataZlibErrorDomain - code:GTMNSDataZlibErrorInternal - userInfo:userInfo]; - } - return nil; - // COV_NF_END - } - - // hint the size at 1/4 the input size - NSMutableData *result = [NSMutableData dataWithCapacity:(length/4)]; - unsigned char output[kChunkSize]; - - // setup the input - strm.avail_in = (unsigned int)length; - strm.next_in = (unsigned char*)bytes; - - // loop to collect the data - do { - // update what we're passing in - strm.avail_out = kChunkSize; - strm.next_out = output; - retCode = deflate(&strm, Z_FINISH); - if ((retCode != Z_OK) && (retCode != Z_STREAM_END)) { - // COV_NF_START - no real way to force this in a unittest - // (in inflate, we can feed bogus/truncated data to test, but an error - // here would be some internal issue w/in zlib, and there isn't any real - // way to test it) - if (error) { - NSDictionary *userInfo = [NSDictionary dictionaryWithObject:[NSNumber numberWithInt:retCode] - forKey:GTMNSDataZlibErrorKey]; - *error = [NSError errorWithDomain:GTMNSDataZlibErrorDomain - code:GTMNSDataZlibErrorInternal - userInfo:userInfo]; - } - deflateEnd(&strm); - return nil; - // COV_NF_END - } - // collect what we got - unsigned gotBack = kChunkSize - strm.avail_out; - if (gotBack > 0) { - [result appendBytes:output length:gotBack]; - } - - } while (retCode == Z_OK); - - // if the loop exits, we used all input and the stream ended - _GTMDevAssert(strm.avail_in == 0, - @"thought we finished deflate w/o using all input, %u bytes left", - strm.avail_in); - _GTMDevAssert(retCode == Z_STREAM_END, - @"thought we finished deflate w/o getting a result of stream end, code %d", - retCode); - - // clean up - deflateEnd(&strm); - - return result; -} // gtm_dataByCompressingBytes:length:compressionLevel:useGzip: - -+ (NSData *)gtm_dataByInflatingBytes:(const void *)bytes - length:(NSUInteger)length - isRawData:(BOOL)isRawData - error:(NSError **)error { - if (!bytes || !length) { - return nil; - } - -#if defined(__LP64__) && __LP64__ - // Don't support > 32bit length for 64 bit, see note in header. - if (length > UINT_MAX) { - return nil; - } -#endif - - z_stream strm; - bzero(&strm, sizeof(z_stream)); - - // setup the input - strm.avail_in = (unsigned int)length; - strm.next_in = (unsigned char*)bytes; - - int windowBits = 15; // 15 to enable any window size - if (isRawData) { - windowBits *= -1; // make it negative to signal no header. - } else { - windowBits += 32; // and +32 to enable zlib or gzip header detection. - } - - int retCode; - if ((retCode = inflateInit2(&strm, windowBits)) != Z_OK) { - // COV_NF_START - no real way to force this in a unittest (we guard all args) - if (error) { - NSDictionary *userInfo = [NSDictionary dictionaryWithObject:[NSNumber numberWithInt:retCode] - forKey:GTMNSDataZlibErrorKey]; - *error = [NSError errorWithDomain:GTMNSDataZlibErrorDomain - code:GTMNSDataZlibErrorInternal - userInfo:userInfo]; - } - return nil; - // COV_NF_END - } - - // hint the size at 4x the input size - NSMutableData *result = [NSMutableData dataWithCapacity:(length*4)]; - unsigned char output[kChunkSize]; - - // loop to collect the data - do { - // update what we're passing in - strm.avail_out = kChunkSize; - strm.next_out = output; - retCode = inflate(&strm, Z_NO_FLUSH); - if ((retCode != Z_OK) && (retCode != Z_STREAM_END)) { - if (error) { - NSMutableDictionary *userInfo = - [NSMutableDictionary dictionaryWithObject:[NSNumber numberWithInt:retCode] - forKey:GTMNSDataZlibErrorKey]; - if (strm.msg) { - NSString *message = [NSString stringWithUTF8String:strm.msg]; - if (message) { - [userInfo setObject:message forKey:NSLocalizedDescriptionKey]; - } - } - *error = [NSError errorWithDomain:GTMNSDataZlibErrorDomain - code:GTMNSDataZlibErrorInternal - userInfo:userInfo]; - } - inflateEnd(&strm); - return nil; - } - // collect what we got - unsigned gotBack = kChunkSize - strm.avail_out; - if (gotBack > 0) { - [result appendBytes:output length:gotBack]; - } - - } while (retCode == Z_OK); - - // make sure there wasn't more data tacked onto the end of a valid compressed - // stream. - if (strm.avail_in != 0) { - if (error) { - NSDictionary *userInfo = - [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedInt:strm.avail_in] - forKey:GTMNSDataZlibRemainingBytesKey]; - *error = [NSError errorWithDomain:GTMNSDataZlibErrorDomain - code:GTMNSDataZlibErrorDataRemaining - userInfo:userInfo]; - } - result = nil; - } - // the only way out of the loop was by hitting the end of the stream - _GTMDevAssert(retCode == Z_STREAM_END, - @"thought we finished inflate w/o getting a result of stream end, code %d", - retCode); - - // clean up - inflateEnd(&strm); - - return result; -} // gtm_dataByInflatingBytes:length:windowBits: - -@end - - -@implementation NSData (GTMZLibAdditions) - -+ (NSData *)gtm_dataByGzippingBytes:(const void *)bytes - length:(NSUInteger)length { - return [self gtm_dataByGzippingBytes:bytes length:length error:NULL]; -} // gtm_dataByGzippingBytes:length: - -+ (NSData *)gtm_dataByGzippingBytes:(const void *)bytes - length:(NSUInteger)length - error:(NSError **)error { - return [self gtm_dataByCompressingBytes:bytes - length:length - compressionLevel:Z_DEFAULT_COMPRESSION - mode:CompressionModeGzip - error:error]; -} // gtm_dataByGzippingBytes:length:error: - -+ (NSData *)gtm_dataByGzippingData:(NSData *)data { - return [self gtm_dataByGzippingData:data error:NULL]; -} // gtm_dataByGzippingData: - -+ (NSData *)gtm_dataByGzippingData:(NSData *)data error:(NSError **)error { - return [self gtm_dataByCompressingBytes:[data bytes] - length:[data length] - compressionLevel:Z_DEFAULT_COMPRESSION - mode:CompressionModeGzip - error:error]; -} // gtm_dataByGzippingData:error: - -+ (NSData *)gtm_dataByGzippingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level { - return [self gtm_dataByGzippingBytes:bytes - length:length - compressionLevel:level - error:NULL]; -} // gtm_dataByGzippingBytes:length:level: - -+ (NSData *)gtm_dataByGzippingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level - error:(NSError **)error{ - return [self gtm_dataByCompressingBytes:bytes - length:length - compressionLevel:level - mode:CompressionModeGzip - error:error]; -} // gtm_dataByGzippingBytes:length:level:error - -+ (NSData *)gtm_dataByGzippingData:(NSData *)data - compressionLevel:(int)level { - return [self gtm_dataByGzippingData:data - compressionLevel:level - error:NULL]; -} // gtm_dataByGzippingData:level: - -+ (NSData *)gtm_dataByGzippingData:(NSData *)data - compressionLevel:(int)level - error:(NSError **)error{ - return [self gtm_dataByCompressingBytes:[data bytes] - length:[data length] - compressionLevel:level - mode:CompressionModeGzip - error:error]; -} // gtm_dataByGzippingData:level:error - -#pragma mark - - -+ (NSData *)gtm_dataByDeflatingBytes:(const void *)bytes - length:(NSUInteger)length { - return [self gtm_dataByDeflatingBytes:bytes - length:length - error:NULL]; -} // gtm_dataByDeflatingBytes:length: - -+ (NSData *)gtm_dataByDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - error:(NSError **)error{ - return [self gtm_dataByCompressingBytes:bytes - length:length - compressionLevel:Z_DEFAULT_COMPRESSION - mode:CompressionModeZlib - error:error]; -} // gtm_dataByDeflatingBytes:length:error - -+ (NSData *)gtm_dataByDeflatingData:(NSData *)data { - return [self gtm_dataByDeflatingData:data error:NULL]; -} // gtm_dataByDeflatingData: - -+ (NSData *)gtm_dataByDeflatingData:(NSData *)data error:(NSError **)error { - return [self gtm_dataByCompressingBytes:[data bytes] - length:[data length] - compressionLevel:Z_DEFAULT_COMPRESSION - mode:CompressionModeZlib - error:error]; -} // gtm_dataByDeflatingData: - -+ (NSData *)gtm_dataByDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level { - return [self gtm_dataByDeflatingBytes:bytes - length:length - compressionLevel:level - error:NULL]; -} // gtm_dataByDeflatingBytes:length:level: - -+ (NSData *)gtm_dataByDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level - error:(NSError **)error { - return [self gtm_dataByCompressingBytes:bytes - length:length - compressionLevel:level - mode:CompressionModeZlib - error:error]; -} // gtm_dataByDeflatingBytes:length:level:error: - -+ (NSData *)gtm_dataByDeflatingData:(NSData *)data - compressionLevel:(int)level { - return [self gtm_dataByDeflatingData:data - compressionLevel:level - error:NULL]; -} // gtm_dataByDeflatingData:level: - -+ (NSData *)gtm_dataByDeflatingData:(NSData *)data - compressionLevel:(int)level - error:(NSError **)error { - return [self gtm_dataByCompressingBytes:[data bytes] - length:[data length] - compressionLevel:level - mode:CompressionModeZlib - error:error]; -} // gtm_dataByDeflatingData:level:error: - -#pragma mark - - -+ (NSData *)gtm_dataByInflatingBytes:(const void *)bytes - length:(NSUInteger)length { - return [self gtm_dataByInflatingBytes:bytes - length:length - error:NULL]; -} // gtm_dataByInflatingBytes:length: - -+ (NSData *)gtm_dataByInflatingBytes:(const void *)bytes - length:(NSUInteger)length - error:(NSError **)error { - return [self gtm_dataByInflatingBytes:bytes - length:length - isRawData:NO - error:error]; -} // gtm_dataByInflatingBytes:length:error: - -+ (NSData *)gtm_dataByInflatingData:(NSData *)data { - return [self gtm_dataByInflatingData:data error:NULL]; -} // gtm_dataByInflatingData: - -+ (NSData *)gtm_dataByInflatingData:(NSData *)data - error:(NSError **)error { - return [self gtm_dataByInflatingBytes:[data bytes] - length:[data length] - isRawData:NO - error:error]; -} // gtm_dataByInflatingData: - -#pragma mark - - -+ (NSData *)gtm_dataByRawDeflatingBytes:(const void *)bytes - length:(NSUInteger)length { - return [self gtm_dataByRawDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - error:NULL]; -} // gtm_dataByRawDeflatingBytes:length: - -+ (NSData *)gtm_dataByRawDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - error:(NSError **)error { - return [self gtm_dataByCompressingBytes:bytes - length:length - compressionLevel:Z_DEFAULT_COMPRESSION - mode:CompressionModeRaw - error:error]; -} // gtm_dataByRawDeflatingBytes:length:error: - -+ (NSData *)gtm_dataByRawDeflatingData:(NSData *)data { - return [self gtm_dataByRawDeflatingData:data error:NULL]; -} // gtm_dataByRawDeflatingData: - -+ (NSData *)gtm_dataByRawDeflatingData:(NSData *)data error:(NSError **)error { - return [self gtm_dataByCompressingBytes:[data bytes] - length:[data length] - compressionLevel:Z_DEFAULT_COMPRESSION - mode:CompressionModeRaw - error:error]; -} // gtm_dataByRawDeflatingData:error: - -+ (NSData *)gtm_dataByRawDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level { - return [self gtm_dataByRawDeflatingBytes:bytes - length:length - compressionLevel:level - error:NULL]; -} // gtm_dataByRawDeflatingBytes:length:compressionLevel: - -+ (NSData *)gtm_dataByRawDeflatingBytes:(const void *)bytes - length:(NSUInteger)length - compressionLevel:(int)level - error:(NSError **)error{ - return [self gtm_dataByCompressingBytes:bytes - length:length - compressionLevel:level - mode:CompressionModeRaw - error:error]; -} // gtm_dataByRawDeflatingBytes:length:compressionLevel:error: - -+ (NSData *)gtm_dataByRawDeflatingData:(NSData *)data - compressionLevel:(int)level { - return [self gtm_dataByRawDeflatingData:data - compressionLevel:level - error:NULL]; -} // gtm_dataByRawDeflatingData:compressionLevel: - -+ (NSData *)gtm_dataByRawDeflatingData:(NSData *)data - compressionLevel:(int)level - error:(NSError **)error { - return [self gtm_dataByCompressingBytes:[data bytes] - length:[data length] - compressionLevel:level - mode:CompressionModeRaw - error:error]; -} // gtm_dataByRawDeflatingData:compressionLevel:error: - -+ (NSData *)gtm_dataByRawInflatingBytes:(const void *)bytes - length:(NSUInteger)length { - return [self gtm_dataByInflatingBytes:bytes - length:length - error:NULL]; -} // gtm_dataByRawInflatingBytes:length: - -+ (NSData *)gtm_dataByRawInflatingBytes:(const void *)bytes - length:(NSUInteger)length - error:(NSError **)error{ - return [self gtm_dataByInflatingBytes:bytes - length:length - isRawData:YES - error:error]; -} // gtm_dataByRawInflatingBytes:length:error: - -+ (NSData *)gtm_dataByRawInflatingData:(NSData *)data { - return [self gtm_dataByRawInflatingData:data - error:NULL]; -} // gtm_dataByRawInflatingData: - -+ (NSData *)gtm_dataByRawInflatingData:(NSData *)data - error:(NSError **)error { - return [self gtm_dataByInflatingBytes:[data bytes] - length:[data length] - isRawData:YES - error:error]; -} // gtm_dataByRawInflatingData:error: - -@end |