2015-05-01 12:57:16 +00:00
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import "GPBDescriptor_PackagePrivate.h"
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#import <objc/runtime.h>
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#import "GPBUtilities_PackagePrivate.h"
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#import "GPBWireFormat.h"
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#import "GPBMessage_PackagePrivate.h"
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// The address of this variable is used as a key for obj_getAssociatedObject.
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static const char kTextFormatExtraValueKey = 0;
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// Utility function to generate selectors on the fly.
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static SEL SelFromStrings(const char *prefix, const char *middle,
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const char *suffix, BOOL takesArg) {
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if (prefix == NULL && suffix == NULL && !takesArg) {
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return sel_getUid(middle);
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}
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const size_t prefixLen = prefix != NULL ? strlen(prefix) : 0;
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const size_t middleLen = strlen(middle);
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const size_t suffixLen = suffix != NULL ? strlen(suffix) : 0;
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size_t totalLen =
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prefixLen + middleLen + suffixLen + 1; // include space for null on end.
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if (takesArg) {
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totalLen += 1;
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}
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char buffer[totalLen];
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if (prefix != NULL) {
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memcpy(buffer, prefix, prefixLen);
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memcpy(buffer + prefixLen, middle, middleLen);
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buffer[prefixLen] = (char)toupper(buffer[prefixLen]);
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} else {
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memcpy(buffer, middle, middleLen);
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}
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if (suffix != NULL) {
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memcpy(buffer + prefixLen + middleLen, suffix, suffixLen);
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}
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if (takesArg) {
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buffer[totalLen - 2] = ':';
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}
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// Always null terminate it.
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buffer[totalLen - 1] = 0;
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SEL result = sel_getUid(buffer);
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return result;
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}
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static NSArray *NewFieldsArrayForHasIndex(int hasIndex,
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NSArray *allMessageFields)
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__attribute__((ns_returns_retained));
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static NSArray *NewFieldsArrayForHasIndex(int hasIndex,
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NSArray *allMessageFields) {
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NSMutableArray *result = [[NSMutableArray alloc] init];
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for (GPBFieldDescriptor *fieldDesc in allMessageFields) {
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if (fieldDesc->description_->hasIndex == hasIndex) {
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[result addObject:fieldDesc];
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}
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}
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return result;
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}
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@implementation GPBDescriptor {
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Class messageClass_;
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GPBFileDescriptor *file_;
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BOOL wireFormat_;
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}
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@synthesize messageClass = messageClass_;
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@synthesize fields = fields_;
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@synthesize oneofs = oneofs_;
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@synthesize extensionRanges = extensionRanges_;
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@synthesize extensionRangesCount = extensionRangesCount_;
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@synthesize file = file_;
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@synthesize wireFormat = wireFormat_;
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+ (instancetype)
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allocDescriptorForClass:(Class)messageClass
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rootClass:(Class)rootClass
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file:(GPBFileDescriptor *)file
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2016-03-17 14:04:21 +00:00
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fields:(void *)fieldDescriptions
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fieldCount:(uint32_t)fieldCount
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storageSize:(uint32_t)storageSize
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flags:(GPBDescriptorInitializationFlags)flags {
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// The rootClass is no longer used, but it is passed in to ensure it
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// was started up during initialization also.
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(void)rootClass;
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NSMutableArray *fields = nil;
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GPBFileSyntax syntax = file.syntax;
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2016-03-17 14:04:21 +00:00
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BOOL fieldsIncludeDefault =
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(flags & GPBDescriptorInitializationFlag_FieldsWithDefault) != 0;
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void *desc;
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for (uint32_t i = 0; i < fieldCount; ++i) {
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if (fields == nil) {
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fields = [[NSMutableArray alloc] initWithCapacity:fieldCount];
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}
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2016-03-17 14:04:21 +00:00
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// Need correctly typed pointer for array indexing below to work.
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if (fieldsIncludeDefault) {
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GPBMessageFieldDescriptionWithDefault *fieldDescWithDefault = fieldDescriptions;
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desc = &(fieldDescWithDefault[i]);
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} else {
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GPBMessageFieldDescription *fieldDesc = fieldDescriptions;
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desc = &(fieldDesc[i]);
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}
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GPBFieldDescriptor *fieldDescriptor =
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[[GPBFieldDescriptor alloc] initWithFieldDescription:desc
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includesDefault:fieldsIncludeDefault
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syntax:syntax];
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2015-05-01 12:57:16 +00:00
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[fields addObject:fieldDescriptor];
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[fieldDescriptor release];
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}
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2016-03-17 14:04:21 +00:00
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BOOL wireFormat = (flags & GPBDescriptorInitializationFlag_WireFormat) != 0;
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2015-05-01 12:57:16 +00:00
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GPBDescriptor *descriptor = [[self alloc] initWithClass:messageClass
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file:file
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fields:fields
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storageSize:storageSize
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wireFormat:wireFormat];
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[fields release];
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return descriptor;
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}
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- (instancetype)initWithClass:(Class)messageClass
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file:(GPBFileDescriptor *)file
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fields:(NSArray *)fields
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storageSize:(uint32_t)storageSize
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2015-05-01 12:57:16 +00:00
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wireFormat:(BOOL)wireFormat {
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if ((self = [super init])) {
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messageClass_ = messageClass;
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file_ = file;
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fields_ = [fields retain];
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storageSize_ = storageSize;
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wireFormat_ = wireFormat;
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}
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return self;
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}
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- (void)dealloc {
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[fields_ release];
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[oneofs_ release];
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[super dealloc];
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}
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2016-03-17 14:04:21 +00:00
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- (void)setupOneofs:(const char **)oneofNames
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count:(uint32_t)count
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firstHasIndex:(int32_t)firstHasIndex {
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NSCAssert(firstHasIndex < 0, @"Should always be <0");
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NSMutableArray *oneofs = [[NSMutableArray alloc] initWithCapacity:count];
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for (uint32_t i = 0, hasIndex = firstHasIndex; i < count; ++i, --hasIndex) {
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const char *name = oneofNames[i];
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NSArray *fieldsForOneof = NewFieldsArrayForHasIndex(hasIndex, fields_);
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NSCAssert(fieldsForOneof.count > 0,
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@"No fields for this oneof? (%s:%d)", name, hasIndex);
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GPBOneofDescriptor *oneofDescriptor =
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[[GPBOneofDescriptor alloc] initWithName:name fields:fieldsForOneof];
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[oneofs addObject:oneofDescriptor];
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[oneofDescriptor release];
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[fieldsForOneof release];
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}
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oneofs_ = oneofs;
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}
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- (void)setupExtraTextInfo:(const char *)extraTextFormatInfo {
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// Extra info is a compile time option, so skip the work if not needed.
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if (extraTextFormatInfo) {
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NSValue *extraInfoValue = [NSValue valueWithPointer:extraTextFormatInfo];
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for (GPBFieldDescriptor *fieldDescriptor in fields_) {
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if (fieldDescriptor->description_->flags & GPBFieldTextFormatNameCustom) {
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objc_setAssociatedObject(fieldDescriptor, &kTextFormatExtraValueKey,
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extraInfoValue,
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OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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}
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}
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}
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- (void)setupExtensionRanges:(const GPBExtensionRange *)ranges count:(int32_t)count {
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extensionRanges_ = ranges;
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extensionRangesCount_ = count;
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}
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2015-05-01 12:57:16 +00:00
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- (NSString *)name {
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return NSStringFromClass(messageClass_);
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}
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- (id)copyWithZone:(NSZone *)zone {
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#pragma unused(zone)
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return [self retain];
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}
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- (GPBFieldDescriptor *)fieldWithNumber:(uint32_t)fieldNumber {
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for (GPBFieldDescriptor *descriptor in fields_) {
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if (GPBFieldNumber(descriptor) == fieldNumber) {
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return descriptor;
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}
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}
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return nil;
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}
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- (GPBFieldDescriptor *)fieldWithName:(NSString *)name {
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for (GPBFieldDescriptor *descriptor in fields_) {
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if ([descriptor.name isEqual:name]) {
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return descriptor;
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}
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}
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return nil;
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}
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- (GPBOneofDescriptor *)oneofWithName:(NSString *)name {
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for (GPBOneofDescriptor *descriptor in oneofs_) {
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if ([descriptor.name isEqual:name]) {
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return descriptor;
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}
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}
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return nil;
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}
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@end
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@implementation GPBFileDescriptor {
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NSString *package_;
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GPBFileSyntax syntax_;
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}
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@synthesize package = package_;
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@synthesize syntax = syntax_;
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- (instancetype)initWithPackage:(NSString *)package
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syntax:(GPBFileSyntax)syntax {
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self = [super init];
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if (self) {
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package_ = [package copy];
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syntax_ = syntax;
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}
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return self;
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}
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@end
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@implementation GPBOneofDescriptor
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@synthesize fields = fields_;
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2016-03-17 14:04:21 +00:00
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- (instancetype)initWithName:(const char *)name fields:(NSArray *)fields {
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self = [super init];
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if (self) {
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name_ = name;
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2015-05-01 12:57:16 +00:00
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fields_ = [fields retain];
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for (GPBFieldDescriptor *fieldDesc in fields) {
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fieldDesc->containingOneof_ = self;
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}
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2016-03-17 14:04:21 +00:00
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caseSel_ = SelFromStrings(NULL, name, "OneOfCase", NO);
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2015-05-01 12:57:16 +00:00
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}
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return self;
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}
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- (void)dealloc {
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[fields_ release];
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[super dealloc];
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}
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- (NSString *)name {
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return @(name_);
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2015-05-01 12:57:16 +00:00
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}
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- (GPBFieldDescriptor *)fieldWithNumber:(uint32_t)fieldNumber {
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for (GPBFieldDescriptor *descriptor in fields_) {
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if (GPBFieldNumber(descriptor) == fieldNumber) {
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return descriptor;
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}
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}
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return nil;
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}
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- (GPBFieldDescriptor *)fieldWithName:(NSString *)name {
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for (GPBFieldDescriptor *descriptor in fields_) {
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if ([descriptor.name isEqual:name]) {
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return descriptor;
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}
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}
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return nil;
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}
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@end
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uint32_t GPBFieldTag(GPBFieldDescriptor *self) {
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GPBMessageFieldDescription *description = self->description_;
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GPBWireFormat format;
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if ((description->flags & GPBFieldMapKeyMask) != 0) {
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// Maps are repeated messages on the wire.
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2015-06-08 20:24:57 +00:00
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format = GPBWireFormatForType(GPBDataTypeMessage, NO);
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2015-05-01 12:57:16 +00:00
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} else {
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2015-06-08 20:24:57 +00:00
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format = GPBWireFormatForType(description->dataType,
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((description->flags & GPBFieldPacked) != 0));
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2015-05-01 12:57:16 +00:00
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}
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return GPBWireFormatMakeTag(description->number, format);
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}
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2015-06-08 20:24:57 +00:00
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uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) {
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GPBMessageFieldDescription *description = self->description_;
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NSCAssert((description->flags & GPBFieldRepeated) != 0,
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@"Only valid on repeated fields");
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GPBWireFormat format =
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GPBWireFormatForType(description->dataType,
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((description->flags & GPBFieldPacked) == 0));
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return GPBWireFormatMakeTag(description->number, format);
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}
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2015-05-01 12:57:16 +00:00
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@implementation GPBFieldDescriptor {
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2015-06-08 20:24:57 +00:00
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GPBGenericValue defaultValue_;
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2015-05-01 12:57:16 +00:00
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// Message ivars
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Class msgClass_;
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// Enum ivars.
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// If protos are generated with GenerateEnumDescriptors on then it will
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// be a enumDescriptor, otherwise it will be a enumVerifier.
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union {
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GPBEnumDescriptor *enumDescriptor_;
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GPBEnumValidationFunc enumVerifier_;
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} enumHandling_;
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}
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@synthesize msgClass = msgClass_;
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@synthesize containingOneof = containingOneof_;
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- (instancetype)init {
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// Throw an exception if people attempt to not use the designated initializer.
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self = [super init];
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if (self != nil) {
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[self doesNotRecognizeSelector:_cmd];
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self = nil;
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}
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return self;
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}
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|
|
|
2016-03-17 14:04:21 +00:00
|
|
|
- (instancetype)initWithFieldDescription:(void *)description
|
|
|
|
includesDefault:(BOOL)includesDefault
|
2015-05-01 12:57:16 +00:00
|
|
|
syntax:(GPBFileSyntax)syntax {
|
|
|
|
if ((self = [super init])) {
|
2016-03-17 14:04:21 +00:00
|
|
|
GPBMessageFieldDescription *coreDesc;
|
|
|
|
if (includesDefault) {
|
|
|
|
coreDesc = &(((GPBMessageFieldDescriptionWithDefault *)description)->core);
|
|
|
|
} else {
|
|
|
|
coreDesc = description;
|
|
|
|
}
|
|
|
|
description_ = coreDesc;
|
|
|
|
getSel_ = sel_getUid(coreDesc->name);
|
|
|
|
setSel_ = SelFromStrings("set", coreDesc->name, NULL, YES);
|
2015-05-01 12:57:16 +00:00
|
|
|
|
2016-03-17 14:04:21 +00:00
|
|
|
GPBDataType dataType = coreDesc->dataType;
|
2015-06-08 20:24:57 +00:00
|
|
|
BOOL isMessage = GPBDataTypeIsMessage(dataType);
|
|
|
|
BOOL isMapOrArray = GPBFieldIsMapOrArray(self);
|
|
|
|
|
|
|
|
if (isMapOrArray) {
|
|
|
|
// map<>/repeated fields get a *Count property (inplace of a has*) to
|
|
|
|
// support checking if there are any entries without triggering
|
|
|
|
// autocreation.
|
2016-03-17 14:04:21 +00:00
|
|
|
hasOrCountSel_ = SelFromStrings(NULL, coreDesc->name, "_Count", NO);
|
2015-06-08 20:24:57 +00:00
|
|
|
} else {
|
|
|
|
// If there is a positive hasIndex, then:
|
|
|
|
// - All fields types for proto2 messages get has* selectors.
|
|
|
|
// - Only message fields for proto3 messages get has* selectors.
|
|
|
|
// Note: the positive check is to handle oneOfs, we can't check
|
|
|
|
// containingOneof_ because it isn't set until after initialization.
|
2016-03-17 14:04:21 +00:00
|
|
|
if ((coreDesc->hasIndex >= 0) &&
|
|
|
|
(coreDesc->hasIndex != GPBNoHasBit) &&
|
2015-06-08 20:24:57 +00:00
|
|
|
((syntax != GPBFileSyntaxProto3) || isMessage)) {
|
2016-03-17 14:04:21 +00:00
|
|
|
hasOrCountSel_ = SelFromStrings("has", coreDesc->name, NULL, NO);
|
|
|
|
setHasSel_ = SelFromStrings("setHas", coreDesc->name, NULL, YES);
|
2015-06-08 20:24:57 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Extra type specific data.
|
|
|
|
if (isMessage) {
|
2016-03-17 14:04:21 +00:00
|
|
|
const char *className = coreDesc->dataTypeSpecific.className;
|
2015-06-08 20:24:57 +00:00
|
|
|
msgClass_ = objc_getClass(className);
|
|
|
|
NSAssert(msgClass_, @"Class %s not defined", className);
|
|
|
|
} else if (dataType == GPBDataTypeEnum) {
|
2016-03-17 14:04:21 +00:00
|
|
|
if ((coreDesc->flags & GPBFieldHasEnumDescriptor) != 0) {
|
2015-06-08 20:24:57 +00:00
|
|
|
enumHandling_.enumDescriptor_ =
|
2016-03-17 14:04:21 +00:00
|
|
|
coreDesc->dataTypeSpecific.enumDescFunc();
|
2015-06-08 20:24:57 +00:00
|
|
|
} else {
|
|
|
|
enumHandling_.enumVerifier_ =
|
2016-03-17 14:04:21 +00:00
|
|
|
coreDesc->dataTypeSpecific.enumVerifier;
|
2015-06-08 20:24:57 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-03-17 14:04:21 +00:00
|
|
|
// Non map<>/repeated fields can have defaults in proto2 syntax.
|
|
|
|
if (!isMapOrArray && includesDefault) {
|
|
|
|
defaultValue_ = ((GPBMessageFieldDescriptionWithDefault *)description)->defaultValue;
|
2015-06-08 20:24:57 +00:00
|
|
|
if (dataType == GPBDataTypeBytes) {
|
|
|
|
// Data stored as a length prefixed (network byte order) c-string in
|
|
|
|
// descriptor structure.
|
|
|
|
const uint8_t *bytes = (const uint8_t *)defaultValue_.valueData;
|
|
|
|
if (bytes) {
|
|
|
|
uint32_t length = *((uint32_t *)bytes);
|
|
|
|
length = ntohl(length);
|
|
|
|
bytes += sizeof(length);
|
|
|
|
defaultValue_.valueData =
|
|
|
|
[[NSData alloc] initWithBytes:bytes length:length];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (void)dealloc {
|
2015-06-08 20:24:57 +00:00
|
|
|
if (description_->dataType == GPBDataTypeBytes &&
|
2015-05-01 12:57:16 +00:00
|
|
|
!(description_->flags & GPBFieldRepeated)) {
|
|
|
|
[defaultValue_.valueData release];
|
|
|
|
}
|
|
|
|
[super dealloc];
|
|
|
|
}
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
- (GPBDataType)dataType {
|
|
|
|
return description_->dataType;
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)hasDefaultValue {
|
|
|
|
return (description_->flags & GPBFieldHasDefaultValue) != 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (uint32_t)number {
|
|
|
|
return description_->number;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (NSString *)name {
|
2015-05-21 21:14:52 +00:00
|
|
|
return @(description_->name);
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isRequired {
|
|
|
|
return (description_->flags & GPBFieldRequired) != 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isOptional {
|
|
|
|
return (description_->flags & GPBFieldOptional) != 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (GPBFieldType)fieldType {
|
|
|
|
GPBFieldFlags flags = description_->flags;
|
|
|
|
if ((flags & GPBFieldRepeated) != 0) {
|
|
|
|
return GPBFieldTypeRepeated;
|
|
|
|
} else if ((flags & GPBFieldMapKeyMask) != 0) {
|
|
|
|
return GPBFieldTypeMap;
|
|
|
|
} else {
|
|
|
|
return GPBFieldTypeSingle;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
- (GPBDataType)mapKeyDataType {
|
2015-05-01 12:57:16 +00:00
|
|
|
switch (description_->flags & GPBFieldMapKeyMask) {
|
|
|
|
case GPBFieldMapKeyInt32:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeInt32;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyInt64:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeInt64;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyUInt32:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeUInt32;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyUInt64:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeUInt64;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeySInt32:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeSInt32;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeySInt64:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeSInt64;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyFixed32:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeFixed32;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyFixed64:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeFixed64;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeySFixed32:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeSFixed32;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeySFixed64:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeSFixed64;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyBool:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeBool;
|
2015-05-01 12:57:16 +00:00
|
|
|
case GPBFieldMapKeyString:
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeString;
|
2015-05-01 12:57:16 +00:00
|
|
|
|
|
|
|
default:
|
|
|
|
NSAssert(0, @"Not a map type");
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBDataTypeInt32; // For lack of anything better.
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isPackable {
|
|
|
|
return (description_->flags & GPBFieldPacked) != 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isValidEnumValue:(int32_t)value {
|
2015-06-08 20:24:57 +00:00
|
|
|
NSAssert(description_->dataType == GPBDataTypeEnum,
|
|
|
|
@"Field Must be of type GPBDataTypeEnum");
|
2015-05-01 12:57:16 +00:00
|
|
|
if (description_->flags & GPBFieldHasEnumDescriptor) {
|
|
|
|
return enumHandling_.enumDescriptor_.enumVerifier(value);
|
|
|
|
} else {
|
|
|
|
return enumHandling_.enumVerifier_(value);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
- (GPBEnumDescriptor *)enumDescriptor {
|
|
|
|
if (description_->flags & GPBFieldHasEnumDescriptor) {
|
|
|
|
return enumHandling_.enumDescriptor_;
|
|
|
|
} else {
|
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
- (GPBGenericValue)defaultValue {
|
2015-05-01 12:57:16 +00:00
|
|
|
// Depends on the fact that defaultValue_ is initialized either to "0/nil" or
|
|
|
|
// to an actual defaultValue in our initializer.
|
2015-06-08 20:24:57 +00:00
|
|
|
GPBGenericValue value = defaultValue_;
|
2015-05-01 12:57:16 +00:00
|
|
|
|
|
|
|
if (!(description_->flags & GPBFieldRepeated)) {
|
|
|
|
// We special handle data and strings. If they are nil, we replace them
|
|
|
|
// with empty string/empty data.
|
2015-06-08 20:24:57 +00:00
|
|
|
GPBDataType type = description_->dataType;
|
|
|
|
if (type == GPBDataTypeBytes && value.valueData == nil) {
|
2015-05-01 12:57:16 +00:00
|
|
|
value.valueData = GPBEmptyNSData();
|
2015-06-08 20:24:57 +00:00
|
|
|
} else if (type == GPBDataTypeString && value.valueString == nil) {
|
2015-05-01 12:57:16 +00:00
|
|
|
value.valueString = @"";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (NSString *)textFormatName {
|
|
|
|
if ((description_->flags & GPBFieldTextFormatNameCustom) != 0) {
|
|
|
|
NSValue *extraInfoValue =
|
|
|
|
objc_getAssociatedObject(self, &kTextFormatExtraValueKey);
|
|
|
|
// Support can be left out at generation time.
|
|
|
|
if (!extraInfoValue) {
|
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
const uint8_t *extraTextFormatInfo = [extraInfoValue pointerValue];
|
|
|
|
return GPBDecodeTextFormatName(extraTextFormatInfo, GPBFieldNumber(self),
|
|
|
|
self.name);
|
|
|
|
}
|
|
|
|
|
|
|
|
// The logic here has to match SetCommonFieldVariables() from
|
|
|
|
// objectivec_field.cc in the proto compiler.
|
|
|
|
NSString *name = self.name;
|
|
|
|
NSUInteger len = [name length];
|
|
|
|
|
|
|
|
// Remove the "_p" added to reserved names.
|
|
|
|
if ([name hasSuffix:@"_p"]) {
|
|
|
|
name = [name substringToIndex:(len - 2)];
|
|
|
|
len = [name length];
|
|
|
|
}
|
|
|
|
|
|
|
|
// Remove "Array" from the end for repeated fields.
|
|
|
|
if (((description_->flags & GPBFieldRepeated) != 0) &&
|
|
|
|
[name hasSuffix:@"Array"]) {
|
|
|
|
name = [name substringToIndex:(len - 5)];
|
|
|
|
len = [name length];
|
|
|
|
}
|
|
|
|
|
|
|
|
// Groups vs. other fields.
|
2015-06-08 20:24:57 +00:00
|
|
|
if (description_->dataType == GPBDataTypeGroup) {
|
2015-05-01 12:57:16 +00:00
|
|
|
// Just capitalize the first letter.
|
|
|
|
unichar firstChar = [name characterAtIndex:0];
|
|
|
|
if (firstChar >= 'a' && firstChar <= 'z') {
|
|
|
|
NSString *firstCharString =
|
|
|
|
[NSString stringWithFormat:@"%C", (unichar)(firstChar - 'a' + 'A')];
|
|
|
|
NSString *result =
|
|
|
|
[name stringByReplacingCharactersInRange:NSMakeRange(0, 1)
|
|
|
|
withString:firstCharString];
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
return name;
|
|
|
|
|
|
|
|
} else {
|
|
|
|
// Undo the CamelCase.
|
|
|
|
NSMutableString *result = [NSMutableString stringWithCapacity:len];
|
2016-03-17 14:04:21 +00:00
|
|
|
for (uint32_t i = 0; i < len; i++) {
|
2015-05-01 12:57:16 +00:00
|
|
|
unichar c = [name characterAtIndex:i];
|
|
|
|
if (c >= 'A' && c <= 'Z') {
|
|
|
|
if (i > 0) {
|
|
|
|
[result appendFormat:@"_%C", (unichar)(c - 'A' + 'a')];
|
|
|
|
} else {
|
|
|
|
[result appendFormat:@"%C", c];
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
[result appendFormat:@"%C", c];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@end
|
|
|
|
|
|
|
|
@implementation GPBEnumDescriptor {
|
|
|
|
NSString *name_;
|
2016-03-17 14:04:21 +00:00
|
|
|
// valueNames_ is a single c string with all of the value names appended
|
|
|
|
// together, each null terminated. -calcValueNameOffsets fills in
|
|
|
|
// nameOffsets_ with the offsets to allow quicker access to the individual
|
|
|
|
// names.
|
|
|
|
const char *valueNames_;
|
|
|
|
const int32_t *values_;
|
2015-05-01 12:57:16 +00:00
|
|
|
GPBEnumValidationFunc enumVerifier_;
|
|
|
|
const uint8_t *extraTextFormatInfo_;
|
2016-03-17 14:04:21 +00:00
|
|
|
uint32_t *nameOffsets_;
|
|
|
|
uint32_t valueCount_;
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
@synthesize name = name_;
|
|
|
|
@synthesize enumVerifier = enumVerifier_;
|
|
|
|
|
|
|
|
+ (instancetype)
|
|
|
|
allocDescriptorForName:(NSString *)name
|
2016-03-17 14:04:21 +00:00
|
|
|
valueNames:(const char *)valueNames
|
|
|
|
values:(const int32_t *)values
|
|
|
|
count:(uint32_t)valueCount
|
2015-05-01 12:57:16 +00:00
|
|
|
enumVerifier:(GPBEnumValidationFunc)enumVerifier {
|
|
|
|
GPBEnumDescriptor *descriptor = [[self alloc] initWithName:name
|
2016-03-17 14:04:21 +00:00
|
|
|
valueNames:valueNames
|
|
|
|
values:values
|
|
|
|
count:valueCount
|
2015-05-01 12:57:16 +00:00
|
|
|
enumVerifier:enumVerifier];
|
|
|
|
return descriptor;
|
|
|
|
}
|
|
|
|
|
|
|
|
+ (instancetype)
|
|
|
|
allocDescriptorForName:(NSString *)name
|
2016-03-17 14:04:21 +00:00
|
|
|
valueNames:(const char *)valueNames
|
|
|
|
values:(const int32_t *)values
|
|
|
|
count:(uint32_t)valueCount
|
2015-05-01 12:57:16 +00:00
|
|
|
enumVerifier:(GPBEnumValidationFunc)enumVerifier
|
|
|
|
extraTextFormatInfo:(const char *)extraTextFormatInfo {
|
|
|
|
// Call the common case.
|
|
|
|
GPBEnumDescriptor *descriptor = [self allocDescriptorForName:name
|
2016-03-17 14:04:21 +00:00
|
|
|
valueNames:valueNames
|
|
|
|
values:values
|
|
|
|
count:valueCount
|
2015-05-01 12:57:16 +00:00
|
|
|
enumVerifier:enumVerifier];
|
|
|
|
// Set the extra info.
|
|
|
|
descriptor->extraTextFormatInfo_ = (const uint8_t *)extraTextFormatInfo;
|
|
|
|
return descriptor;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (instancetype)initWithName:(NSString *)name
|
2016-03-17 14:04:21 +00:00
|
|
|
valueNames:(const char *)valueNames
|
|
|
|
values:(const int32_t *)values
|
|
|
|
count:(uint32_t)valueCount
|
2015-05-01 12:57:16 +00:00
|
|
|
enumVerifier:(GPBEnumValidationFunc)enumVerifier {
|
|
|
|
if ((self = [super init])) {
|
|
|
|
name_ = [name copy];
|
2016-03-17 14:04:21 +00:00
|
|
|
valueNames_ = valueNames;
|
|
|
|
values_ = values;
|
|
|
|
valueCount_ = valueCount;
|
2015-05-01 12:57:16 +00:00
|
|
|
enumVerifier_ = enumVerifier;
|
|
|
|
}
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
2016-03-17 14:04:21 +00:00
|
|
|
- (void)dealloc {
|
|
|
|
[name_ release];
|
|
|
|
if (nameOffsets_) free(nameOffsets_);
|
|
|
|
[super dealloc];
|
|
|
|
}
|
|
|
|
|
|
|
|
- (void)calcValueNameOffsets {
|
|
|
|
@synchronized(self) {
|
|
|
|
if (nameOffsets_ != NULL) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
uint32_t *offsets = malloc(valueCount_ * sizeof(uint32_t));
|
|
|
|
const char *scan = valueNames_;
|
|
|
|
for (uint32_t i = 0; i < valueCount_; ++i) {
|
|
|
|
offsets[i] = (uint32_t)(scan - valueNames_);
|
|
|
|
while (*scan != '\0') ++scan;
|
|
|
|
++scan; // Step over the null.
|
|
|
|
}
|
|
|
|
nameOffsets_ = offsets;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-05-01 12:57:16 +00:00
|
|
|
- (NSString *)enumNameForValue:(int32_t)number {
|
2016-03-17 14:04:21 +00:00
|
|
|
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
|
|
|
|
|
|
|
|
for (uint32_t i = 0; i < valueCount_; ++i) {
|
|
|
|
if (values_[i] == number) {
|
|
|
|
const char *valueName = valueNames_ + nameOffsets_[i];
|
|
|
|
NSString *fullName = [NSString stringWithFormat:@"%@_%s", name_, valueName];
|
2015-05-01 12:57:16 +00:00
|
|
|
return fullName;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)getValue:(int32_t *)outValue forEnumName:(NSString *)name {
|
|
|
|
// Must have the prefix.
|
|
|
|
NSUInteger prefixLen = name_.length + 1;
|
|
|
|
if ((name.length <= prefixLen) || ![name hasPrefix:name_] ||
|
|
|
|
([name characterAtIndex:prefixLen - 1] != '_')) {
|
|
|
|
return NO;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Skip over the prefix.
|
|
|
|
const char *nameAsCStr = [name UTF8String];
|
|
|
|
nameAsCStr += prefixLen;
|
|
|
|
|
2016-03-17 14:04:21 +00:00
|
|
|
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
|
|
|
|
|
2015-05-01 12:57:16 +00:00
|
|
|
// Find it.
|
2016-03-17 14:04:21 +00:00
|
|
|
for (uint32_t i = 0; i < valueCount_; ++i) {
|
|
|
|
const char *valueName = valueNames_ + nameOffsets_[i];
|
|
|
|
if (strcmp(nameAsCStr, valueName) == 0) {
|
2015-05-01 12:57:16 +00:00
|
|
|
if (outValue) {
|
2016-03-17 14:04:21 +00:00
|
|
|
*outValue = values_[i];
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
return YES;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return NO;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (NSString *)textFormatNameForValue:(int32_t)number {
|
2016-03-17 14:04:21 +00:00
|
|
|
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
|
|
|
|
|
2015-05-01 12:57:16 +00:00
|
|
|
// Find the EnumValue descriptor and its index.
|
2016-03-17 14:04:21 +00:00
|
|
|
BOOL foundIt = NO;
|
|
|
|
uint32_t valueDescriptorIndex;
|
|
|
|
for (valueDescriptorIndex = 0; valueDescriptorIndex < valueCount_;
|
2015-05-01 12:57:16 +00:00
|
|
|
++valueDescriptorIndex) {
|
2016-03-17 14:04:21 +00:00
|
|
|
if (values_[valueDescriptorIndex] == number) {
|
|
|
|
foundIt = YES;
|
2015-05-01 12:57:16 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-03-17 14:04:21 +00:00
|
|
|
if (!foundIt) {
|
2015-05-01 12:57:16 +00:00
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
|
|
|
|
NSString *result = nil;
|
|
|
|
// Naming adds an underscore between enum name and value name, skip that also.
|
2016-03-17 14:04:21 +00:00
|
|
|
const char *valueName = valueNames_ + nameOffsets_[valueDescriptorIndex];
|
|
|
|
NSString *shortName = @(valueName);
|
2015-05-01 12:57:16 +00:00
|
|
|
|
|
|
|
// See if it is in the map of special format handling.
|
|
|
|
if (extraTextFormatInfo_) {
|
|
|
|
result = GPBDecodeTextFormatName(extraTextFormatInfo_,
|
|
|
|
(int32_t)valueDescriptorIndex, shortName);
|
|
|
|
}
|
|
|
|
// Logic here needs to match what objectivec_enum.cc does in the proto
|
|
|
|
// compiler.
|
|
|
|
if (result == nil) {
|
|
|
|
NSUInteger len = [shortName length];
|
|
|
|
NSMutableString *worker = [NSMutableString stringWithCapacity:len];
|
|
|
|
for (NSUInteger i = 0; i < len; i++) {
|
|
|
|
unichar c = [shortName characterAtIndex:i];
|
|
|
|
if (i > 0 && c >= 'A' && c <= 'Z') {
|
|
|
|
[worker appendString:@"_"];
|
|
|
|
}
|
|
|
|
[worker appendFormat:@"%c", toupper((char)c)];
|
|
|
|
}
|
|
|
|
result = worker;
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
@end
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
@implementation GPBExtensionDescriptor {
|
|
|
|
GPBGenericValue defaultValue_;
|
|
|
|
}
|
|
|
|
|
|
|
|
@synthesize containingMessageClass = containingMessageClass_;
|
2015-05-01 12:57:16 +00:00
|
|
|
|
|
|
|
- (instancetype)initWithExtensionDescription:
|
|
|
|
(GPBExtensionDescription *)description {
|
|
|
|
if ((self = [super init])) {
|
|
|
|
description_ = description;
|
2015-06-08 20:24:57 +00:00
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
const char *className = description->messageOrGroupClassName;
|
|
|
|
if (className) {
|
|
|
|
NSAssert(objc_lookUpClass(className) != Nil,
|
|
|
|
@"Class %s not defined", className);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (description->extendedClass) {
|
|
|
|
Class containingClass = objc_lookUpClass(description->extendedClass);
|
|
|
|
NSAssert(containingClass, @"Class %s not defined",
|
|
|
|
description->extendedClass);
|
|
|
|
containingMessageClass_ = containingClass;
|
|
|
|
}
|
|
|
|
|
|
|
|
GPBDataType type = description_->dataType;
|
|
|
|
if (type == GPBDataTypeBytes) {
|
|
|
|
// Data stored as a length prefixed c-string in descriptor records.
|
|
|
|
const uint8_t *bytes =
|
|
|
|
(const uint8_t *)description->defaultValue.valueData;
|
|
|
|
if (bytes) {
|
|
|
|
uint32_t length = *((uint32_t *)bytes);
|
|
|
|
// The length is stored in network byte order.
|
|
|
|
length = ntohl(length);
|
|
|
|
bytes += sizeof(length);
|
|
|
|
defaultValue_.valueData =
|
|
|
|
[[NSData alloc] initWithBytes:bytes length:length];
|
|
|
|
}
|
|
|
|
} else if (type == GPBDataTypeMessage || type == GPBDataTypeGroup) {
|
|
|
|
// The default is looked up in -defaultValue instead since extensions
|
|
|
|
// aren't common, we avoid the hit startup hit and it avoid initialization
|
|
|
|
// order issues.
|
|
|
|
} else {
|
|
|
|
defaultValue_ = description->defaultValue;
|
|
|
|
}
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
- (void)dealloc {
|
|
|
|
if ((description_->dataType == GPBDataTypeBytes) &&
|
|
|
|
!GPBExtensionIsRepeated(description_)) {
|
|
|
|
[defaultValue_.valueData release];
|
|
|
|
}
|
|
|
|
[super dealloc];
|
|
|
|
}
|
|
|
|
|
|
|
|
- (instancetype)copyWithZone:(NSZone *)zone {
|
|
|
|
#pragma unused(zone)
|
|
|
|
// Immutable.
|
|
|
|
return [self retain];
|
|
|
|
}
|
|
|
|
|
2015-05-01 12:57:16 +00:00
|
|
|
- (NSString *)singletonName {
|
2015-05-21 21:14:52 +00:00
|
|
|
return @(description_->singletonName);
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
- (const char *)singletonNameC {
|
|
|
|
return description_->singletonName;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (uint32_t)fieldNumber {
|
|
|
|
return description_->fieldNumber;
|
|
|
|
}
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
- (GPBDataType)dataType {
|
|
|
|
return description_->dataType;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (GPBWireFormat)wireType {
|
|
|
|
return GPBWireFormatForType(description_->dataType,
|
|
|
|
GPBExtensionIsPacked(description_));
|
|
|
|
}
|
|
|
|
|
|
|
|
- (GPBWireFormat)alternateWireType {
|
|
|
|
NSAssert(GPBExtensionIsRepeated(description_),
|
|
|
|
@"Only valid on repeated extensions");
|
|
|
|
return GPBWireFormatForType(description_->dataType,
|
|
|
|
!GPBExtensionIsPacked(description_));
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isRepeated {
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBExtensionIsRepeated(description_);
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isMap {
|
|
|
|
return (description_->options & GPBFieldMapKeyMask) != 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
- (BOOL)isPackable {
|
2015-06-08 20:24:57 +00:00
|
|
|
return GPBExtensionIsPacked(description_);
|
2015-05-01 12:57:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
- (Class)msgClass {
|
|
|
|
return objc_getClass(description_->messageOrGroupClassName);
|
|
|
|
}
|
|
|
|
|
|
|
|
- (GPBEnumDescriptor *)enumDescriptor {
|
2015-06-08 20:24:57 +00:00
|
|
|
if (description_->dataType == GPBDataTypeEnum) {
|
2015-05-01 12:57:16 +00:00
|
|
|
GPBEnumDescriptor *enumDescriptor = description_->enumDescriptorFunc();
|
|
|
|
return enumDescriptor;
|
|
|
|
}
|
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
|
2015-06-08 20:24:57 +00:00
|
|
|
- (id)defaultValue {
|
|
|
|
if (GPBExtensionIsRepeated(description_)) {
|
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (description_->dataType) {
|
|
|
|
case GPBDataTypeBool:
|
|
|
|
return @(defaultValue_.valueBool);
|
|
|
|
case GPBDataTypeFloat:
|
|
|
|
return @(defaultValue_.valueFloat);
|
|
|
|
case GPBDataTypeDouble:
|
|
|
|
return @(defaultValue_.valueDouble);
|
|
|
|
case GPBDataTypeInt32:
|
|
|
|
case GPBDataTypeSInt32:
|
|
|
|
case GPBDataTypeEnum:
|
|
|
|
case GPBDataTypeSFixed32:
|
|
|
|
return @(defaultValue_.valueInt32);
|
|
|
|
case GPBDataTypeInt64:
|
|
|
|
case GPBDataTypeSInt64:
|
|
|
|
case GPBDataTypeSFixed64:
|
|
|
|
return @(defaultValue_.valueInt64);
|
|
|
|
case GPBDataTypeUInt32:
|
|
|
|
case GPBDataTypeFixed32:
|
|
|
|
return @(defaultValue_.valueUInt32);
|
|
|
|
case GPBDataTypeUInt64:
|
|
|
|
case GPBDataTypeFixed64:
|
|
|
|
return @(defaultValue_.valueUInt64);
|
|
|
|
case GPBDataTypeBytes:
|
|
|
|
// Like message fields, the default is zero length data.
|
|
|
|
return (defaultValue_.valueData ? defaultValue_.valueData
|
|
|
|
: GPBEmptyNSData());
|
|
|
|
case GPBDataTypeString:
|
|
|
|
// Like message fields, the default is zero length string.
|
|
|
|
return (defaultValue_.valueString ? defaultValue_.valueString : @"");
|
|
|
|
case GPBDataTypeGroup:
|
|
|
|
case GPBDataTypeMessage:
|
|
|
|
return nil;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
- (NSComparisonResult)compareByFieldNumber:(GPBExtensionDescriptor *)other {
|
|
|
|
int32_t selfNumber = description_->fieldNumber;
|
|
|
|
int32_t otherNumber = other->description_->fieldNumber;
|
|
|
|
if (selfNumber < otherNumber) {
|
|
|
|
return NSOrderedAscending;
|
|
|
|
} else if (selfNumber == otherNumber) {
|
|
|
|
return NSOrderedSame;
|
|
|
|
} else {
|
|
|
|
return NSOrderedDescending;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-05-01 12:57:16 +00:00
|
|
|
@end
|