396 lines
13 KiB
Mathematica
396 lines
13 KiB
Mathematica
|
// Protocol Buffers - Google's data interchange format
|
||
|
|
// Copyright 2008 Google Inc. All rights reserved.
|
||
|
|
// https://developers.google.com/protocol-buffers/
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above
|
||
|
|
// copyright notice, this list of conditions and the following disclaimer
|
||
|
|
// in the documentation and/or other materials provided with the
|
||
|
|
// distribution.
|
||
|
|
// * Neither the name of Google Inc. nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived from
|
||
|
|
// this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
#import "GPBUnknownFieldSet_PackagePrivate.h"
|
||
|
|
|
||
|
|
#import "GPBCodedInputStream_PackagePrivate.h"
|
||
|
|
#import "GPBCodedOutputStream.h"
|
||
|
|
#import "GPBUnknownField_PackagePrivate.h"
|
||
|
|
#import "GPBUtilities.h"
|
||
|
|
#import "GPBWireFormat.h"
|
||
|
|
|
||
|
|
#pragma mark Helpers
|
||
|
|
|
||
|
|
static void checkNumber(int32_t number) {
|
||
|
|
if (number == 0) {
|
||
|
|
[NSException raise:NSInvalidArgumentException
|
||
|
|
format:@"Zero is not a valid field number."];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@implementation GPBUnknownFieldSet {
|
||
|
|
@package
|
||
|
|
CFMutableDictionaryRef fields_;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void CopyWorker(const void *key, const void *value, void *context) {
|
||
|
|
#pragma unused(key)
|
||
|
|
GPBUnknownField *field = value;
|
||
|
|
GPBUnknownFieldSet *result = context;
|
||
|
|
|
||
|
|
GPBUnknownField *copied = [field copy];
|
||
|
|
[result addField:copied];
|
||
|
|
[copied release];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Direct access is use for speed, to avoid even internally declaring things
|
||
|
|
// read/write, etc. The warning is enabled in the project to ensure code calling
|
||
|
|
// protos can turn on -Wdirect-ivar-access without issues.
|
||
|
|
#pragma clang diagnostic push
|
||
|
|
#pragma clang diagnostic ignored "-Wdirect-ivar-access"
|
||
|
|
|
||
|
|
- (id)copyWithZone:(NSZone *)zone {
|
||
|
|
GPBUnknownFieldSet *result = [[GPBUnknownFieldSet allocWithZone:zone] init];
|
||
|
|
if (fields_) {
|
||
|
|
CFDictionaryApplyFunction(fields_, CopyWorker, result);
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)dealloc {
|
||
|
|
if (fields_) {
|
||
|
|
CFRelease(fields_);
|
||
|
|
}
|
||
|
|
[super dealloc];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (BOOL)isEqual:(id)object {
|
||
|
|
BOOL equal = NO;
|
||
|
|
if ([object isKindOfClass:[GPBUnknownFieldSet class]]) {
|
||
|
|
GPBUnknownFieldSet *set = (GPBUnknownFieldSet *)object;
|
||
|
|
if ((fields_ == NULL) && (set->fields_ == NULL)) {
|
||
|
|
equal = YES;
|
||
|
|
} else if ((fields_ != NULL) && (set->fields_ != NULL)) {
|
||
|
|
equal = CFEqual(fields_, set->fields_);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return equal;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSUInteger)hash {
|
||
|
|
// Return the hash of the fields dictionary (or just some value).
|
||
|
|
if (fields_) {
|
||
|
|
return CFHash(fields_);
|
||
|
|
}
|
||
|
|
return (NSUInteger)[GPBUnknownFieldSet class];
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Public Methods
|
||
|
|
|
||
|
|
- (BOOL)hasField:(int32_t)number {
|
||
|
|
ssize_t key = number;
|
||
|
|
return fields_ ? (CFDictionaryGetValue(fields_, (void *)key) != nil) : NO;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (GPBUnknownField *)getField:(int32_t)number {
|
||
|
|
ssize_t key = number;
|
||
|
|
GPBUnknownField *result =
|
||
|
|
fields_ ? CFDictionaryGetValue(fields_, (void *)key) : nil;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSUInteger)countOfFields {
|
||
|
|
return fields_ ? CFDictionaryGetCount(fields_) : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSArray *)sortedFields {
|
||
|
|
if (!fields_) return [NSArray array];
|
||
|
|
size_t count = CFDictionaryGetCount(fields_);
|
||
|
|
ssize_t keys[count];
|
||
|
|
GPBUnknownField *values[count];
|
||
|
|
CFDictionaryGetKeysAndValues(fields_, (const void **)keys,
|
||
|
|
(const void **)values);
|
||
|
|
struct GPBFieldPair {
|
||
|
|
ssize_t key;
|
||
|
|
GPBUnknownField *value;
|
||
|
|
} pairs[count];
|
||
|
|
for (size_t i = 0; i < count; ++i) {
|
||
|
|
pairs[i].key = keys[i];
|
||
|
|
pairs[i].value = values[i];
|
||
|
|
};
|
||
|
|
qsort_b(pairs, count, sizeof(struct GPBFieldPair),
|
||
|
|
^(const void *first, const void *second) {
|
||
|
|
const struct GPBFieldPair *a = first;
|
||
|
|
const struct GPBFieldPair *b = second;
|
||
|
|
return (a->key > b->key) ? 1 : ((a->key == b->key) ? 0 : -1);
|
||
|
|
});
|
||
|
|
for (size_t i = 0; i < count; ++i) {
|
||
|
|
values[i] = pairs[i].value;
|
||
|
|
};
|
||
|
|
return [NSArray arrayWithObjects:values count:count];
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma mark - Internal Methods
|
||
|
|
|
||
|
|
- (void)writeToCodedOutputStream:(GPBCodedOutputStream *)output {
|
||
|
|
if (!fields_) return;
|
||
|
|
size_t count = CFDictionaryGetCount(fields_);
|
||
|
|
ssize_t keys[count];
|
||
|
|
GPBUnknownField *values[count];
|
||
|
|
CFDictionaryGetKeysAndValues(fields_, (const void **)keys,
|
||
|
|
(const void **)values);
|
||
|
|
if (count > 1) {
|
||
|
|
struct GPBFieldPair {
|
||
|
|
ssize_t key;
|
||
|
|
GPBUnknownField *value;
|
||
|
|
} pairs[count];
|
||
|
|
|
||
|
|
for (size_t i = 0; i < count; ++i) {
|
||
|
|
pairs[i].key = keys[i];
|
||
|
|
pairs[i].value = values[i];
|
||
|
|
};
|
||
|
|
qsort_b(pairs, count, sizeof(struct GPBFieldPair),
|
||
|
|
^(const void *first, const void *second) {
|
||
|
|
const struct GPBFieldPair *a = first;
|
||
|
|
const struct GPBFieldPair *b = second;
|
||
|
|
return (a->key > b->key) ? 1 : ((a->key == b->key) ? 0 : -1);
|
||
|
|
});
|
||
|
|
for (size_t i = 0; i < count; ++i) {
|
||
|
|
GPBUnknownField *value = pairs[i].value;
|
||
|
|
[value writeToOutput:output];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
[values[0] writeToOutput:output];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSString *)description {
|
||
|
|
NSMutableString *description = [NSMutableString
|
||
|
|
stringWithFormat:@"<%@ %p>: TextFormat: {\n", [self class], self];
|
||
|
|
NSString *textFormat = GPBTextFormatForUnknownFieldSet(self, @" ");
|
||
|
|
[description appendString:textFormat];
|
||
|
|
[description appendString:@"}"];
|
||
|
|
return description;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void GPBUnknownFieldSetSerializedSize(const void *key, const void *value,
|
||
|
|
void *context) {
|
||
|
|
#pragma unused(key)
|
||
|
|
GPBUnknownField *field = value;
|
||
|
|
size_t *result = context;
|
||
|
|
*result += [field serializedSize];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (size_t)serializedSize {
|
||
|
|
size_t result = 0;
|
||
|
|
if (fields_) {
|
||
|
|
CFDictionaryApplyFunction(fields_, GPBUnknownFieldSetSerializedSize,
|
||
|
|
&result);
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void GPBUnknownFieldSetWriteAsMessageSetTo(const void *key,
|
||
|
|
const void *value,
|
||
|
|
void *context) {
|
||
|
|
#pragma unused(key)
|
||
|
|
GPBUnknownField *field = value;
|
||
|
|
GPBCodedOutputStream *output = context;
|
||
|
|
[field writeAsMessageSetExtensionToOutput:output];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)writeAsMessageSetTo:(GPBCodedOutputStream *)output {
|
||
|
|
if (fields_) {
|
||
|
|
CFDictionaryApplyFunction(fields_, GPBUnknownFieldSetWriteAsMessageSetTo,
|
||
|
|
output);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void GPBUnknownFieldSetSerializedSizeAsMessageSet(const void *key,
|
||
|
|
const void *value,
|
||
|
|
void *context) {
|
||
|
|
#pragma unused(key)
|
||
|
|
GPBUnknownField *field = value;
|
||
|
|
size_t *result = context;
|
||
|
|
*result += [field serializedSizeAsMessageSetExtension];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (size_t)serializedSizeAsMessageSet {
|
||
|
|
size_t result = 0;
|
||
|
|
if (fields_) {
|
||
|
|
CFDictionaryApplyFunction(
|
||
|
|
fields_, GPBUnknownFieldSetSerializedSizeAsMessageSet, &result);
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (NSData *)data {
|
||
|
|
NSMutableData *data = [NSMutableData dataWithLength:self.serializedSize];
|
||
|
|
GPBCodedOutputStream *output =
|
||
|
|
[[GPBCodedOutputStream alloc] initWithData:data];
|
||
|
|
[self writeToCodedOutputStream:output];
|
||
|
|
[output release];
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
|
||
|
|
+ (BOOL)isFieldTag:(int32_t)tag {
|
||
|
|
return GPBWireFormatGetTagWireType(tag) != GPBWireFormatEndGroup;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)addField:(GPBUnknownField *)field {
|
||
|
|
int32_t number = [field number];
|
||
|
|
checkNumber(number);
|
||
|
|
if (!fields_) {
|
||
|
|
// Use a custom dictionary here because the keys are numbers and conversion
|
||
|
|
// back and forth from NSNumber isn't worth the cost.
|
||
|
|
fields_ = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, NULL,
|
||
|
|
&kCFTypeDictionaryValueCallBacks);
|
||
|
|
}
|
||
|
|
ssize_t key = number;
|
||
|
|
CFDictionarySetValue(fields_, (const void *)key, field);
|
||
|
|
}
|
||
|
|
|
||
|
|
- (GPBUnknownField *)mutableFieldForNumber:(int32_t)number create:(BOOL)create {
|
||
|
|
ssize_t key = number;
|
||
|
|
GPBUnknownField *existing =
|
||
|
|
fields_ ? CFDictionaryGetValue(fields_, (const void *)key) : nil;
|
||
|
|
if (!existing && create) {
|
||
|
|
existing = [[GPBUnknownField alloc] initWithNumber:number];
|
||
|
|
// This retains existing.
|
||
|
|
[self addField:existing];
|
||
|
|
[existing release];
|
||
|
|
}
|
||
|
|
return existing;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void GPBUnknownFieldSetMergeUnknownFields(const void *key,
|
||
|
|
const void *value,
|
||
|
|
void *context) {
|
||
|
|
#pragma unused(key)
|
||
|
|
GPBUnknownField *field = value;
|
||
|
|
GPBUnknownFieldSet *self = context;
|
||
|
|
|
||
|
|
int32_t number = [field number];
|
||
|
|
checkNumber(number);
|
||
|
|
GPBUnknownField *oldField = [self mutableFieldForNumber:number create:NO];
|
||
|
|
if (oldField) {
|
||
|
|
[oldField mergeFromField:field];
|
||
|
|
} else {
|
||
|
|
// Merge only comes from GPBMessage's mergeFrom:, so it means we are on
|
||
|
|
// mutable message and are an mutable instance, so make sure we need
|
||
|
|
// mutable fields.
|
||
|
|
GPBUnknownField *fieldCopy = [field copy];
|
||
|
|
[self addField:fieldCopy];
|
||
|
|
[fieldCopy release];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)mergeUnknownFields:(GPBUnknownFieldSet *)other {
|
||
|
|
if (other && other->fields_) {
|
||
|
|
CFDictionaryApplyFunction(other->fields_,
|
||
|
|
GPBUnknownFieldSetMergeUnknownFields, self);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)mergeFromData:(NSData *)data {
|
||
|
|
GPBCodedInputStream *input = [[GPBCodedInputStream alloc] initWithData:data];
|
||
|
|
[self mergeFromCodedInputStream:input];
|
||
|
|
[input checkLastTagWas:0];
|
||
|
|
[input release];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)mergeVarintField:(int32_t)number value:(int32_t)value {
|
||
|
|
checkNumber(number);
|
||
|
|
[[self mutableFieldForNumber:number create:YES] addVarint:value];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (BOOL)mergeFieldFrom:(int32_t)tag input:(GPBCodedInputStream *)input {
|
||
|
|
NSAssert(GPBWireFormatIsValidTag(tag), @"Got passed an invalid tag");
|
||
|
|
int32_t number = GPBWireFormatGetTagFieldNumber(tag);
|
||
|
|
GPBCodedInputStreamState *state = &input->state_;
|
||
|
|
switch (GPBWireFormatGetTagWireType(tag)) {
|
||
|
|
case GPBWireFormatVarint: {
|
||
|
|
GPBUnknownField *field = [self mutableFieldForNumber:number create:YES];
|
||
|
|
[field addVarint:GPBCodedInputStreamReadInt64(state)];
|
||
|
|
return YES;
|
||
|
|
}
|
||
|
|
case GPBWireFormatFixed64: {
|
||
|
|
GPBUnknownField *field = [self mutableFieldForNumber:number create:YES];
|
||
|
|
[field addFixed64:GPBCodedInputStreamReadFixed64(state)];
|
||
|
|
return YES;
|
||
|
|
}
|
||
|
|
case GPBWireFormatLengthDelimited: {
|
||
|
|
NSData *data = GPBCodedInputStreamReadRetainedBytes(state);
|
||
|
|
GPBUnknownField *field = [self mutableFieldForNumber:number create:YES];
|
||
|
|
[field addLengthDelimited:data];
|
||
|
|
[data release];
|
||
|
|
return YES;
|
||
|
|
}
|
||
|
|
case GPBWireFormatStartGroup: {
|
||
|
|
GPBUnknownFieldSet *unknownFieldSet = [[GPBUnknownFieldSet alloc] init];
|
||
|
|
[input readUnknownGroup:number message:unknownFieldSet];
|
||
|
|
GPBUnknownField *field = [self mutableFieldForNumber:number create:YES];
|
||
|
|
[field addGroup:unknownFieldSet];
|
||
|
|
[unknownFieldSet release];
|
||
|
|
return YES;
|
||
|
|
}
|
||
|
|
case GPBWireFormatEndGroup:
|
||
|
|
return NO;
|
||
|
|
case GPBWireFormatFixed32: {
|
||
|
|
GPBUnknownField *field = [self mutableFieldForNumber:number create:YES];
|
||
|
|
[field addFixed32:GPBCodedInputStreamReadFixed32(state)];
|
||
|
|
return YES;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)mergeMessageSetMessage:(int32_t)number data:(NSData *)messageData {
|
||
|
|
[[self mutableFieldForNumber:number create:YES]
|
||
|
|
addLengthDelimited:messageData];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)addUnknownMapEntry:(int32_t)fieldNum value:(NSData *)data {
|
||
|
|
GPBUnknownField *field = [self mutableFieldForNumber:fieldNum create:YES];
|
||
|
|
[field addLengthDelimited:data];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)mergeFromCodedInputStream:(GPBCodedInputStream *)input {
|
||
|
|
while (YES) {
|
||
|
|
int32_t tag = GPBCodedInputStreamReadTag(&input->state_);
|
||
|
|
if (tag == 0 || ![self mergeFieldFrom:tag input:input]) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)getTags:(int32_t *)tags {
|
||
|
|
if (!fields_) return;
|
||
|
|
size_t count = CFDictionaryGetCount(fields_);
|
||
|
|
ssize_t keys[count];
|
||
|
|
CFDictionaryGetKeysAndValues(fields_, (const void **)keys, NULL);
|
||
|
|
for (size_t i = 0; i < count; ++i) {
|
||
|
|
tags[i] = (int32_t)keys[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma clang diagnostic pop
|
||
|
|
|
||
|
|
@end
|