diff options
Diffstat (limited to 'objectivec/GPBDescriptor.m')
| -rw-r--r-- | objectivec/GPBDescriptor.m | 360 |
1 files changed, 163 insertions, 197 deletions
diff --git a/objectivec/GPBDescriptor.m b/objectivec/GPBDescriptor.m index bae9187e..2709737c 100644 --- a/objectivec/GPBDescriptor.m +++ b/objectivec/GPBDescriptor.m @@ -35,7 +35,6 @@ #import "GPBUtilities_PackagePrivate.h" #import "GPBWireFormat.h" #import "GPBMessage_PackagePrivate.h" -#import "google/protobuf/Descriptor.pbobjc.h" // The address of this variable is used as a key for obj_getAssociatedObject. static const char kTextFormatExtraValueKey = 0; @@ -92,7 +91,6 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, @implementation GPBDescriptor { Class messageClass_; - NSArray *enums_; GPBFileDescriptor *file_; BOOL wireFormat_; } @@ -100,7 +98,6 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, @synthesize messageClass = messageClass_; @synthesize fields = fields_; @synthesize oneofs = oneofs_; -@synthesize enums = enums_; @synthesize extensionRanges = extensionRanges_; @synthesize extensionRangesCount = extensionRangesCount_; @synthesize file = file_; @@ -110,130 +107,58 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, allocDescriptorForClass:(Class)messageClass rootClass:(Class)rootClass file:(GPBFileDescriptor *)file - fields:(GPBMessageFieldDescription *)fieldDescriptions - fieldCount:(NSUInteger)fieldCount - oneofs:(GPBMessageOneofDescription *)oneofDescriptions - oneofCount:(NSUInteger)oneofCount - enums:(GPBMessageEnumDescription *)enumDescriptions - enumCount:(NSUInteger)enumCount - ranges:(const GPBExtensionRange *)ranges - rangeCount:(NSUInteger)rangeCount - storageSize:(size_t)storageSize - wireFormat:(BOOL)wireFormat { + fields:(void *)fieldDescriptions + fieldCount:(uint32_t)fieldCount + storageSize:(uint32_t)storageSize + flags:(GPBDescriptorInitializationFlags)flags { + // The rootClass is no longer used, but it is passed in to ensure it + // was started up during initialization also. + (void)rootClass; NSMutableArray *fields = nil; - NSMutableArray *oneofs = nil; - NSMutableArray *enums = nil; - NSMutableArray *extensionRanges = nil; GPBFileSyntax syntax = file.syntax; - for (NSUInteger i = 0; i < fieldCount; ++i) { + BOOL fieldsIncludeDefault = + (flags & GPBDescriptorInitializationFlag_FieldsWithDefault) != 0; + + void *desc; + for (uint32_t i = 0; i < fieldCount; ++i) { if (fields == nil) { fields = [[NSMutableArray alloc] initWithCapacity:fieldCount]; } - GPBFieldDescriptor *fieldDescriptor = [[GPBFieldDescriptor alloc] - initWithFieldDescription:&fieldDescriptions[i] - rootClass:rootClass - syntax:syntax]; + // Need correctly typed pointer for array indexing below to work. + if (fieldsIncludeDefault) { + GPBMessageFieldDescriptionWithDefault *fieldDescWithDefault = fieldDescriptions; + desc = &(fieldDescWithDefault[i]); + } else { + GPBMessageFieldDescription *fieldDesc = fieldDescriptions; + desc = &(fieldDesc[i]); + } + GPBFieldDescriptor *fieldDescriptor = + [[GPBFieldDescriptor alloc] initWithFieldDescription:desc + includesDefault:fieldsIncludeDefault + syntax:syntax]; [fields addObject:fieldDescriptor]; [fieldDescriptor release]; } - for (NSUInteger i = 0; i < oneofCount; ++i) { - if (oneofs == nil) { - oneofs = [[NSMutableArray alloc] initWithCapacity:oneofCount]; - } - GPBMessageOneofDescription *oneofDescription = &oneofDescriptions[i]; - NSArray *fieldsForOneof = - NewFieldsArrayForHasIndex(oneofDescription->index, fields); - GPBOneofDescriptor *oneofDescriptor = - [[GPBOneofDescriptor alloc] initWithOneofDescription:oneofDescription - fields:fieldsForOneof]; - [oneofs addObject:oneofDescriptor]; - [oneofDescriptor release]; - [fieldsForOneof release]; - } - for (NSUInteger i = 0; i < enumCount; ++i) { - if (enums == nil) { - enums = [[NSMutableArray alloc] initWithCapacity:enumCount]; - } - GPBEnumDescriptor *enumDescriptor = - enumDescriptions[i].enumDescriptorFunc(); - [enums addObject:enumDescriptor]; - } + BOOL wireFormat = (flags & GPBDescriptorInitializationFlag_WireFormat) != 0; GPBDescriptor *descriptor = [[self alloc] initWithClass:messageClass file:file fields:fields - oneofs:oneofs - enums:enums - extensionRanges:ranges - extensionRangesCount:rangeCount storageSize:storageSize wireFormat:wireFormat]; [fields release]; - [oneofs release]; - [enums release]; - [extensionRanges release]; - return descriptor; -} - -+ (instancetype) - allocDescriptorForClass:(Class)messageClass - rootClass:(Class)rootClass - file:(GPBFileDescriptor *)file - fields:(GPBMessageFieldDescription *)fieldDescriptions - fieldCount:(NSUInteger)fieldCount - oneofs:(GPBMessageOneofDescription *)oneofDescriptions - oneofCount:(NSUInteger)oneofCount - enums:(GPBMessageEnumDescription *)enumDescriptions - enumCount:(NSUInteger)enumCount - ranges:(const GPBExtensionRange *)ranges - rangeCount:(NSUInteger)rangeCount - storageSize:(size_t)storageSize - wireFormat:(BOOL)wireFormat - extraTextFormatInfo:(const char *)extraTextFormatInfo { - GPBDescriptor *descriptor = [self allocDescriptorForClass:messageClass - rootClass:rootClass - file:file - fields:fieldDescriptions - fieldCount:fieldCount - oneofs:oneofDescriptions - oneofCount:oneofCount - enums:enumDescriptions - enumCount:enumCount - ranges:ranges - rangeCount:rangeCount - storageSize:storageSize - wireFormat:wireFormat]; - // Extra info is a compile time option, so skip the work if not needed. - if (extraTextFormatInfo) { - NSValue *extraInfoValue = [NSValue valueWithPointer:extraTextFormatInfo]; - for (GPBFieldDescriptor *fieldDescriptor in descriptor->fields_) { - if (fieldDescriptor->description_->flags & GPBFieldTextFormatNameCustom) { - objc_setAssociatedObject(fieldDescriptor, &kTextFormatExtraValueKey, - extraInfoValue, - OBJC_ASSOCIATION_RETAIN_NONATOMIC); - } - } - } return descriptor; } - (instancetype)initWithClass:(Class)messageClass file:(GPBFileDescriptor *)file fields:(NSArray *)fields - oneofs:(NSArray *)oneofs - enums:(NSArray *)enums - extensionRanges:(const GPBExtensionRange *)extensionRanges - extensionRangesCount:(NSUInteger)extensionRangesCount - storageSize:(size_t)storageSize + storageSize:(uint32_t)storageSize wireFormat:(BOOL)wireFormat { if ((self = [super init])) { messageClass_ = messageClass; file_ = file; fields_ = [fields retain]; - oneofs_ = [oneofs retain]; - enums_ = [enums retain]; - extensionRanges_ = extensionRanges; - extensionRangesCount_ = extensionRangesCount; storageSize_ = storageSize; wireFormat_ = wireFormat; } @@ -243,10 +168,47 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, - (void)dealloc { [fields_ release]; [oneofs_ release]; - [enums_ release]; [super dealloc]; } +- (void)setupOneofs:(const char **)oneofNames + count:(uint32_t)count + firstHasIndex:(int32_t)firstHasIndex { + NSCAssert(firstHasIndex < 0, @"Should always be <0"); + NSMutableArray *oneofs = [[NSMutableArray alloc] initWithCapacity:count]; + for (uint32_t i = 0, hasIndex = firstHasIndex; i < count; ++i, --hasIndex) { + const char *name = oneofNames[i]; + NSArray *fieldsForOneof = NewFieldsArrayForHasIndex(hasIndex, fields_); + NSCAssert(fieldsForOneof.count > 0, + @"No fields for this oneof? (%s:%d)", name, hasIndex); + GPBOneofDescriptor *oneofDescriptor = + [[GPBOneofDescriptor alloc] initWithName:name fields:fieldsForOneof]; + [oneofs addObject:oneofDescriptor]; + [oneofDescriptor release]; + [fieldsForOneof release]; + } + oneofs_ = oneofs; +} + +- (void)setupExtraTextInfo:(const char *)extraTextFormatInfo { + // Extra info is a compile time option, so skip the work if not needed. + if (extraTextFormatInfo) { + NSValue *extraInfoValue = [NSValue valueWithPointer:extraTextFormatInfo]; + for (GPBFieldDescriptor *fieldDescriptor in fields_) { + if (fieldDescriptor->description_->flags & GPBFieldTextFormatNameCustom) { + objc_setAssociatedObject(fieldDescriptor, &kTextFormatExtraValueKey, + extraInfoValue, + OBJC_ASSOCIATION_RETAIN_NONATOMIC); + } + } + } +} + +- (void)setupExtensionRanges:(const GPBExtensionRange *)ranges count:(int32_t)count { + extensionRanges_ = ranges; + extensionRangesCount_ = count; +} + - (NSString *)name { return NSStringFromClass(messageClass_); } @@ -283,15 +245,6 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, return nil; } -- (GPBEnumDescriptor *)enumWithName:(NSString *)name { - for (GPBEnumDescriptor *descriptor in enums_) { - if ([descriptor.name isEqual:name]) { - return descriptor; - } - } - return nil; -} - @end @implementation GPBFileDescriptor { @@ -318,19 +271,16 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, @synthesize fields = fields_; -- (instancetype)initWithOneofDescription: - (GPBMessageOneofDescription *)oneofDescription - fields:(NSArray *)fields { +- (instancetype)initWithName:(const char *)name fields:(NSArray *)fields { self = [super init]; if (self) { - NSAssert(oneofDescription->index < 0, @"Should always be <0"); - oneofDescription_ = oneofDescription; + name_ = name; fields_ = [fields retain]; for (GPBFieldDescriptor *fieldDesc in fields) { fieldDesc->containingOneof_ = self; } - caseSel_ = SelFromStrings(NULL, oneofDescription->name, "OneOfCase", NO); + caseSel_ = SelFromStrings(NULL, name, "OneOfCase", NO); } return self; } @@ -341,7 +291,7 @@ static NSArray *NewFieldsArrayForHasIndex(int hasIndex, } - (NSString *)name { - return @(oneofDescription_->name); + return @(name_); } - (GPBFieldDescriptor *)fieldWithNumber:(uint32_t)fieldNumber { @@ -389,7 +339,6 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { @implementation GPBFieldDescriptor { GPBGenericValue defaultValue_; - GPBFieldOptions *fieldOptions_; // Message ivars Class msgClass_; @@ -403,7 +352,6 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { } enumHandling_; } -@synthesize fieldOptions = fieldOptions_; @synthesize msgClass = msgClass_; @synthesize containingOneof = containingOneof_; @@ -417,16 +365,21 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { return self; } -- (instancetype)initWithFieldDescription: - (GPBMessageFieldDescription *)description - rootClass:(Class)rootClass +- (instancetype)initWithFieldDescription:(void *)description + includesDefault:(BOOL)includesDefault syntax:(GPBFileSyntax)syntax { if ((self = [super init])) { - description_ = description; - getSel_ = sel_getUid(description->name); - setSel_ = SelFromStrings("set", description->name, NULL, YES); + 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); - GPBDataType dataType = description->dataType; + GPBDataType dataType = coreDesc->dataType; BOOL isMessage = GPBDataTypeIsMessage(dataType); BOOL isMapOrArray = GPBFieldIsMapOrArray(self); @@ -434,39 +387,39 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { // map<>/repeated fields get a *Count property (inplace of a has*) to // support checking if there are any entries without triggering // autocreation. - hasOrCountSel_ = SelFromStrings(NULL, description->name, "_Count", NO); + hasOrCountSel_ = SelFromStrings(NULL, coreDesc->name, "_Count", NO); } 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. - if ((description->hasIndex >= 0) && - (description->hasIndex != GPBNoHasBit) && + if ((coreDesc->hasIndex >= 0) && + (coreDesc->hasIndex != GPBNoHasBit) && ((syntax != GPBFileSyntaxProto3) || isMessage)) { - hasOrCountSel_ = SelFromStrings("has", description->name, NULL, NO); - setHasSel_ = SelFromStrings("setHas", description->name, NULL, YES); + hasOrCountSel_ = SelFromStrings("has", coreDesc->name, NULL, NO); + setHasSel_ = SelFromStrings("setHas", coreDesc->name, NULL, YES); } } // Extra type specific data. if (isMessage) { - const char *className = description->dataTypeSpecific.className; + const char *className = coreDesc->dataTypeSpecific.className; msgClass_ = objc_getClass(className); NSAssert(msgClass_, @"Class %s not defined", className); } else if (dataType == GPBDataTypeEnum) { - if ((description_->flags & GPBFieldHasEnumDescriptor) != 0) { + if ((coreDesc->flags & GPBFieldHasEnumDescriptor) != 0) { enumHandling_.enumDescriptor_ = - description->dataTypeSpecific.enumDescFunc(); + coreDesc->dataTypeSpecific.enumDescFunc(); } else { enumHandling_.enumVerifier_ = - description->dataTypeSpecific.enumVerifier; + coreDesc->dataTypeSpecific.enumVerifier; } } - // Non map<>/repeated fields can have defaults. - if (!isMapOrArray) { - defaultValue_ = description->defaultValue; + // Non map<>/repeated fields can have defaults in proto2 syntax. + if (!isMapOrArray && includesDefault) { + defaultValue_ = ((GPBMessageFieldDescriptionWithDefault *)description)->defaultValue; if (dataType == GPBDataTypeBytes) { // Data stored as a length prefixed (network byte order) c-string in // descriptor structure. @@ -480,24 +433,6 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { } } } - - // FieldOptions stored as a length prefixed (network byte order) c-escaped - // string in descriptor records. - if (description->fieldOptions) { - uint8_t *optionsBytes = (uint8_t *)description->fieldOptions; - uint32_t optionsLength = *((uint32_t *)optionsBytes); - optionsLength = ntohl(optionsLength); - if (optionsLength > 0) { - optionsBytes += sizeof(optionsLength); - NSData *optionsData = [NSData dataWithBytesNoCopy:optionsBytes - length:optionsLength - freeWhenDone:NO]; - GPBExtensionRegistry *registry = [rootClass extensionRegistry]; - fieldOptions_ = [[GPBFieldOptions parseFromData:optionsData - extensionRegistry:registry - error:NULL] retain]; - } - } } return self; } @@ -666,7 +601,7 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { } else { // Undo the CamelCase. NSMutableString *result = [NSMutableString stringWithCapacity:len]; - for (NSUInteger i = 0; i < len; i++) { + for (uint32_t i = 0; i < len; i++) { unichar c = [name characterAtIndex:i]; if (c >= 'A' && c <= 'Z') { if (i > 0) { @@ -686,10 +621,16 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { @implementation GPBEnumDescriptor { NSString *name_; - GPBMessageEnumValueDescription *valueDescriptions_; - NSUInteger valueDescriptionsCount_; + // 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_; GPBEnumValidationFunc enumVerifier_; const uint8_t *extraTextFormatInfo_; + uint32_t *nameOffsets_; + uint32_t valueCount_; } @synthesize name = name_; @@ -697,26 +638,30 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { + (instancetype) allocDescriptorForName:(NSString *)name - values:(GPBMessageEnumValueDescription *)valueDescriptions - valueCount:(NSUInteger)valueCount + valueNames:(const char *)valueNames + values:(const int32_t *)values + count:(uint32_t)valueCount enumVerifier:(GPBEnumValidationFunc)enumVerifier { GPBEnumDescriptor *descriptor = [[self alloc] initWithName:name - values:valueDescriptions - valueCount:valueCount + valueNames:valueNames + values:values + count:valueCount enumVerifier:enumVerifier]; return descriptor; } + (instancetype) allocDescriptorForName:(NSString *)name - values:(GPBMessageEnumValueDescription *)valueDescriptions - valueCount:(NSUInteger)valueCount + valueNames:(const char *)valueNames + values:(const int32_t *)values + count:(uint32_t)valueCount enumVerifier:(GPBEnumValidationFunc)enumVerifier extraTextFormatInfo:(const char *)extraTextFormatInfo { // Call the common case. GPBEnumDescriptor *descriptor = [self allocDescriptorForName:name - values:valueDescriptions - valueCount:valueCount + valueNames:valueNames + values:values + count:valueCount enumVerifier:enumVerifier]; // Set the extra info. descriptor->extraTextFormatInfo_ = (const uint8_t *)extraTextFormatInfo; @@ -724,24 +669,49 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { } - (instancetype)initWithName:(NSString *)name - values:(GPBMessageEnumValueDescription *)valueDescriptions - valueCount:(NSUInteger)valueCount + valueNames:(const char *)valueNames + values:(const int32_t *)values + count:(uint32_t)valueCount enumVerifier:(GPBEnumValidationFunc)enumVerifier { if ((self = [super init])) { name_ = [name copy]; - valueDescriptions_ = valueDescriptions; - valueDescriptionsCount_ = valueCount; + valueNames_ = valueNames; + values_ = values; + valueCount_ = valueCount; enumVerifier_ = enumVerifier; } return self; } +- (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; + } +} + - (NSString *)enumNameForValue:(int32_t)number { - for (NSUInteger i = 0; i < valueDescriptionsCount_; ++i) { - GPBMessageEnumValueDescription *scan = &valueDescriptions_[i]; - if ((scan->number == number) && (scan->name != NULL)) { - NSString *fullName = - [NSString stringWithFormat:@"%@_%s", name_, scan->name]; + 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]; return fullName; } } @@ -760,12 +730,14 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { const char *nameAsCStr = [name UTF8String]; nameAsCStr += prefixLen; + if (nameOffsets_ == NULL) [self calcValueNameOffsets]; + // Find it. - for (NSUInteger i = 0; i < valueDescriptionsCount_; ++i) { - GPBMessageEnumValueDescription *scan = &valueDescriptions_[i]; - if ((scan->name != NULL) && (strcmp(nameAsCStr, scan->name) == 0)) { + for (uint32_t i = 0; i < valueCount_; ++i) { + const char *valueName = valueNames_ + nameOffsets_[i]; + if (strcmp(nameAsCStr, valueName) == 0) { if (outValue) { - *outValue = scan->number; + *outValue = values_[i]; } return YES; } @@ -773,34 +745,28 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) { return NO; } -- (void)dealloc { - [name_ release]; - [super dealloc]; -} - - (NSString *)textFormatNameForValue:(int32_t)number { + if (nameOffsets_ == NULL) [self calcValueNameOffsets]; + // Find the EnumValue descriptor and its index. - GPBMessageEnumValueDescription *valueDescriptor = NULL; - NSUInteger valueDescriptorIndex; - for (valueDescriptorIndex = 0; valueDescriptorIndex < valueDescriptionsCount_; + BOOL foundIt = NO; + uint32_t valueDescriptorIndex; + for (valueDescriptorIndex = 0; valueDescriptorIndex < valueCount_; ++valueDescriptorIndex) { - GPBMessageEnumValueDescription *scan = - &valueDescriptions_[valueDescriptorIndex]; - if (scan->number == number) { - valueDescriptor = scan; + if (values_[valueDescriptorIndex] == number) { + foundIt = YES; break; } } - // If we didn't find it, or names were disable at proto compile time, nothing - // we can do. - if (!valueDescriptor || !valueDescriptor->name) { + if (!foundIt) { return nil; } NSString *result = nil; // Naming adds an underscore between enum name and value name, skip that also. - NSString *shortName = @(valueDescriptor->name); + const char *valueName = valueNames_ + nameOffsets_[valueDescriptorIndex]; + NSString *shortName = @(valueName); // See if it is in the map of special format handling. if (extraTextFormatInfo_) { |