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SQDebug/AFNetworking/AFNetworking-4.0.1-Debug/AFNetworking-Debug/SQMultipartBodyStream.h
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| // | ||
| // SQMultipartBodyStream.h | ||
| // AFNetworking-Debug | ||
| // | ||
| // Created by 朱双泉 on 2020/11/25. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @class SQHTTPBodyPart; | ||
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| @interface SQMultipartBodyStream : NSInputStream <NSStreamDelegate> | ||
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| @property (nonatomic, assign) NSUInteger numberOfBytesInPacket; | ||
| @property (nonatomic, assign) NSTimeInterval delay; | ||
| @property (nonatomic, strong) NSInputStream *inputStream; | ||
| @property (readonly, nonatomic, assign) unsigned long long contentLength; | ||
| @property (readonly, nonatomic, assign, getter=isEmpty) BOOL empty; | ||
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| - (instancetype)initWithStringEncoding:(NSStringEncoding)encoding; | ||
| - (void)setInitialAndFinalBoundaries; | ||
| - (void)appendHTTPBodyPart:(SQHTTPBodyPart *)bodyPart; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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SQDebug/AFNetworking/AFNetworking-4.0.1-Debug/AFNetworking-Debug/SQMultipartBodyStream.m
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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // SQMultipartBodyStream.m | ||
| // AFNetworking-Debug | ||
| // | ||
| // Created by 朱双泉 on 2020/11/25. | ||
| // | ||
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| #import "SQMultipartBodyStream.h" | ||
| #import "SQHTTPBodyPart.h" | ||
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| @interface NSStream () | ||
| @property (readwrite) NSStreamStatus streamStatus; | ||
| @property (readwrite, copy) NSError *streamError; | ||
| @end | ||
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| @interface SQMultipartBodyStream () <NSCopying> | ||
| @property (readwrite, nonatomic, assign) NSStringEncoding stringEncoding; | ||
| @property (readwrite, nonatomic, strong) NSMutableArray *HTTPBodyParts; | ||
| @property (readwrite, nonatomic, strong) NSEnumerator *HTTPBodyPartEnumerator; | ||
| @property (readwrite, nonatomic, strong) SQHTTPBodyPart *currentHTTPBodyPart; | ||
| @property (readwrite, nonatomic, strong) NSOutputStream *outputStream; | ||
| @property (readwrite, nonatomic, strong) NSMutableData *buffer; | ||
| @end | ||
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| @implementation SQMultipartBodyStream | ||
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| @synthesize delegate; | ||
| @synthesize streamStatus; | ||
| @synthesize streamError; | ||
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| - (instancetype)initWithStringEncoding:(NSStringEncoding)encoding { | ||
| self = [super init]; | ||
| if (!self) { | ||
| return nil; | ||
| } | ||
| self.stringEncoding = encoding; | ||
| self.HTTPBodyParts = [NSMutableArray array]; | ||
| self.numberOfBytesInPacket = NSIntegerMax; | ||
| return self; | ||
| } | ||
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| - (void)setInitialAndFinalBoundaries { | ||
| if ([self.HTTPBodyParts count] > 0) { | ||
| for (SQHTTPBodyPart *bodyPart in self.HTTPBodyParts) { | ||
| bodyPart.hasInitialBoundary = NO; | ||
| bodyPart.hasFinalBoundary = NO; | ||
| } | ||
| [[self.HTTPBodyParts firstObject] setHasInitialBoundary:YES]; | ||
| [[self.HTTPBodyParts lastObject] setHasFinalBoundary:YES]; | ||
| } | ||
| } | ||
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| - (void)appendHTTPBodyPart:(SQHTTPBodyPart *)bodyPart { | ||
| [self.HTTPBodyParts addObject:bodyPart]; | ||
| } | ||
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| - (BOOL)isEmpty { | ||
| return [self.HTTPBodyParts count] == 0; | ||
| } | ||
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| #pragma mark - NSInputStream | ||
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| - (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)length { | ||
| if ([self streamStatus] == NSStreamStatusClosed) { | ||
| return 0; | ||
| } | ||
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| NSInteger totalNumberOfBytesRead = 0; | ||
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| while ((NSUInteger)totalNumberOfBytesRead < MIN(length, self.numberOfBytesInPacket)) { | ||
| if (!self.currentHTTPBodyPart || ![self.currentHTTPBodyPart hasBytesAvailable]) { | ||
| if (!(self.currentHTTPBodyPart = [self.HTTPBodyPartEnumerator nextObject])) { | ||
| break; | ||
| } | ||
| } else { | ||
| NSUInteger maxLength = MIN(length, self.numberOfBytesInPacket) - (NSUInteger)totalNumberOfBytesRead; | ||
| NSInteger numberOfBytesRead = [self.currentHTTPBodyPart read:&buffer[totalNumberOfBytesRead] maxLength:maxLength]; | ||
| if (numberOfBytesRead == -1) { | ||
| self.streamError = self.currentHTTPBodyPart.inputStream.streamError; | ||
| break; | ||
| } else { | ||
| totalNumberOfBytesRead += numberOfBytesRead; | ||
| if (self.delay > 0.0f) { | ||
| [NSThread sleepForTimeInterval:self.delay]; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return totalNumberOfBytesRead; | ||
| } | ||
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| - (BOOL)getBuffer:(__unused uint8_t * _Nullable *)buffer length:(__unused NSUInteger *)len { | ||
| return NO; | ||
| } | ||
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| - (BOOL)hasBytesAvailable { | ||
| return [self streamStatus] == NSStreamStatusOpen; | ||
| } | ||
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| #pragma mark - NSStream | ||
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| - (void)open { | ||
| if (self.streamStatus == NSStreamStatusOpen) { | ||
| return; | ||
| } | ||
| self.streamStatus = NSStreamStatusOpen; | ||
| [self setInitialAndFinalBoundaries]; | ||
| self.HTTPBodyPartEnumerator = [self.HTTPBodyParts objectEnumerator]; | ||
| } | ||
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| - (void)close { | ||
| self.streamStatus = NSStreamStatusClosed; | ||
| } | ||
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| - (id)propertyForKey:(__unused NSStreamPropertyKey)key { | ||
| return nil; | ||
| } | ||
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| - (BOOL)setProperty:(__unused id)property forKey:(__unused NSStreamPropertyKey)key { | ||
| return NO; | ||
| } | ||
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| - (void)scheduleInRunLoop:(__unused NSRunLoop *)aRunLoop forMode:(__unused NSRunLoopMode)mode { | ||
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| } | ||
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| - (void)removeFromRunLoop:(__unused NSRunLoop *)aRunLoop forMode:(__unused NSRunLoopMode)mode { | ||
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| } | ||
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| - (unsigned long long)contentLength { | ||
| unsigned long long length = 0; | ||
| for (SQHTTPBodyPart *bodyPart in self.HTTPBodyParts) { | ||
| length += [bodyPart contentLength]; | ||
| } | ||
| return length; | ||
| } | ||
|
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| #pragma mark - Undocumented CFReadStream Bridged Methods | ||
|
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| - (void)_scheduleInCFRunLoop:(__unused CFRunLoopRef)aRunLoop forMode:(__unused CFStringRef)aMode { | ||
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| } | ||
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| - (void)_unscheduleFromCFRunLoop:(__unused CFRunLoopRef)aRunLoop forMode:(__unused CFStringRef)aMode { | ||
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| } | ||
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| - (BOOL)_setCFClientFlags:(__unused CFOptionFlags)inFlags callback:(__unused CFReadStreamClientCallBack)inCallback context:(__unused CFStreamClientContext *)inContext { | ||
| return NO; | ||
| } | ||
|
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| #pragma mark - NSCopying | ||
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| - (instancetype)copyWithZone:(NSZone *)zone { | ||
| SQMultipartBodyStream *bodyStreamCopy = [[[self class] allocWithZone:zone] initWithStringEncoding:self.stringEncoding]; | ||
| for (SQHTTPBodyPart *bodyPart in self.HTTPBodyParts) { | ||
| [bodyStreamCopy appendHTTPBodyPart:[bodyPart copy]]; | ||
| } | ||
| [bodyStreamCopy setInitialAndFinalBoundaries]; | ||
| return bodyStreamCopy; | ||
| } | ||
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| @end |
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