--- /dev/null
+// 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 "GPBExtensionInternals.h"
+
+#import <objc/runtime.h>
+
+#import "GPBCodedInputStream_PackagePrivate.h"
+#import "GPBCodedOutputStream_PackagePrivate.h"
+#import "GPBDescriptor_PackagePrivate.h"
+#import "GPBMessage_PackagePrivate.h"
+#import "GPBUtilities_PackagePrivate.h"
+
+static id NewSingleValueFromInputStream(GPBExtensionDescriptor *extension,
+ GPBCodedInputStream *input,
+ GPBExtensionRegistry *extensionRegistry,
+ GPBMessage *existingValue)
+ __attribute__((ns_returns_retained));
+
+GPB_INLINE size_t DataTypeSize(GPBDataType dataType) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wswitch-enum"
+ switch (dataType) {
+ case GPBDataTypeBool:
+ return 1;
+ case GPBDataTypeFixed32:
+ case GPBDataTypeSFixed32:
+ case GPBDataTypeFloat:
+ return 4;
+ case GPBDataTypeFixed64:
+ case GPBDataTypeSFixed64:
+ case GPBDataTypeDouble:
+ return 8;
+ default:
+ return 0;
+ }
+#pragma clang diagnostic pop
+}
+
+static size_t ComputePBSerializedSizeNoTagOfObject(GPBDataType dataType, id object) {
+#define FIELD_CASE(TYPE, ACCESSOR) \
+ case GPBDataType##TYPE: \
+ return GPBCompute##TYPE##SizeNoTag([(NSNumber *)object ACCESSOR]);
+#define FIELD_CASE2(TYPE) \
+ case GPBDataType##TYPE: \
+ return GPBCompute##TYPE##SizeNoTag(object);
+ switch (dataType) {
+ FIELD_CASE(Bool, boolValue)
+ FIELD_CASE(Float, floatValue)
+ FIELD_CASE(Double, doubleValue)
+ FIELD_CASE(Int32, intValue)
+ FIELD_CASE(SFixed32, intValue)
+ FIELD_CASE(SInt32, intValue)
+ FIELD_CASE(Enum, intValue)
+ FIELD_CASE(Int64, longLongValue)
+ FIELD_CASE(SInt64, longLongValue)
+ FIELD_CASE(SFixed64, longLongValue)
+ FIELD_CASE(UInt32, unsignedIntValue)
+ FIELD_CASE(Fixed32, unsignedIntValue)
+ FIELD_CASE(UInt64, unsignedLongLongValue)
+ FIELD_CASE(Fixed64, unsignedLongLongValue)
+ FIELD_CASE2(Bytes)
+ FIELD_CASE2(String)
+ FIELD_CASE2(Message)
+ FIELD_CASE2(Group)
+ }
+#undef FIELD_CASE
+#undef FIELD_CASE2
+}
+
+static size_t ComputeSerializedSizeIncludingTagOfObject(
+ GPBExtensionDescription *description, id object) {
+#define FIELD_CASE(TYPE, ACCESSOR) \
+ case GPBDataType##TYPE: \
+ return GPBCompute##TYPE##Size(description->fieldNumber, \
+ [(NSNumber *)object ACCESSOR]);
+#define FIELD_CASE2(TYPE) \
+ case GPBDataType##TYPE: \
+ return GPBCompute##TYPE##Size(description->fieldNumber, object);
+ switch (description->dataType) {
+ FIELD_CASE(Bool, boolValue)
+ FIELD_CASE(Float, floatValue)
+ FIELD_CASE(Double, doubleValue)
+ FIELD_CASE(Int32, intValue)
+ FIELD_CASE(SFixed32, intValue)
+ FIELD_CASE(SInt32, intValue)
+ FIELD_CASE(Enum, intValue)
+ FIELD_CASE(Int64, longLongValue)
+ FIELD_CASE(SInt64, longLongValue)
+ FIELD_CASE(SFixed64, longLongValue)
+ FIELD_CASE(UInt32, unsignedIntValue)
+ FIELD_CASE(Fixed32, unsignedIntValue)
+ FIELD_CASE(UInt64, unsignedLongLongValue)
+ FIELD_CASE(Fixed64, unsignedLongLongValue)
+ FIELD_CASE2(Bytes)
+ FIELD_CASE2(String)
+ FIELD_CASE2(Group)
+ case GPBDataTypeMessage:
+ if (GPBExtensionIsWireFormat(description)) {
+ return GPBComputeMessageSetExtensionSize(description->fieldNumber,
+ object);
+ } else {
+ return GPBComputeMessageSize(description->fieldNumber, object);
+ }
+ }
+#undef FIELD_CASE
+#undef FIELD_CASE2
+}
+
+static size_t ComputeSerializedSizeIncludingTagOfArray(
+ GPBExtensionDescription *description, NSArray *values) {
+ if (GPBExtensionIsPacked(description)) {
+ size_t size = 0;
+ size_t typeSize = DataTypeSize(description->dataType);
+ if (typeSize != 0) {
+ size = values.count * typeSize;
+ } else {
+ for (id value in values) {
+ size +=
+ ComputePBSerializedSizeNoTagOfObject(description->dataType, value);
+ }
+ }
+ return size + GPBComputeTagSize(description->fieldNumber) +
+ GPBComputeRawVarint32SizeForInteger(size);
+ } else {
+ size_t size = 0;
+ for (id value in values) {
+ size += ComputeSerializedSizeIncludingTagOfObject(description, value);
+ }
+ return size;
+ }
+}
+
+static void WriteObjectIncludingTagToCodedOutputStream(
+ id object, GPBExtensionDescription *description,
+ GPBCodedOutputStream *output) {
+#define FIELD_CASE(TYPE, ACCESSOR) \
+ case GPBDataType##TYPE: \
+ [output write##TYPE:description->fieldNumber \
+ value:[(NSNumber *)object ACCESSOR]]; \
+ return;
+#define FIELD_CASE2(TYPE) \
+ case GPBDataType##TYPE: \
+ [output write##TYPE:description->fieldNumber value:object]; \
+ return;
+ switch (description->dataType) {
+ FIELD_CASE(Bool, boolValue)
+ FIELD_CASE(Float, floatValue)
+ FIELD_CASE(Double, doubleValue)
+ FIELD_CASE(Int32, intValue)
+ FIELD_CASE(SFixed32, intValue)
+ FIELD_CASE(SInt32, intValue)
+ FIELD_CASE(Enum, intValue)
+ FIELD_CASE(Int64, longLongValue)
+ FIELD_CASE(SInt64, longLongValue)
+ FIELD_CASE(SFixed64, longLongValue)
+ FIELD_CASE(UInt32, unsignedIntValue)
+ FIELD_CASE(Fixed32, unsignedIntValue)
+ FIELD_CASE(UInt64, unsignedLongLongValue)
+ FIELD_CASE(Fixed64, unsignedLongLongValue)
+ FIELD_CASE2(Bytes)
+ FIELD_CASE2(String)
+ FIELD_CASE2(Group)
+ case GPBDataTypeMessage:
+ if (GPBExtensionIsWireFormat(description)) {
+ [output writeMessageSetExtension:description->fieldNumber value:object];
+ } else {
+ [output writeMessage:description->fieldNumber value:object];
+ }
+ return;
+ }
+#undef FIELD_CASE
+#undef FIELD_CASE2
+}
+
+static void WriteObjectNoTagToCodedOutputStream(
+ id object, GPBExtensionDescription *description,
+ GPBCodedOutputStream *output) {
+#define FIELD_CASE(TYPE, ACCESSOR) \
+ case GPBDataType##TYPE: \
+ [output write##TYPE##NoTag:[(NSNumber *)object ACCESSOR]]; \
+ return;
+#define FIELD_CASE2(TYPE) \
+ case GPBDataType##TYPE: \
+ [output write##TYPE##NoTag:object]; \
+ return;
+ switch (description->dataType) {
+ FIELD_CASE(Bool, boolValue)
+ FIELD_CASE(Float, floatValue)
+ FIELD_CASE(Double, doubleValue)
+ FIELD_CASE(Int32, intValue)
+ FIELD_CASE(SFixed32, intValue)
+ FIELD_CASE(SInt32, intValue)
+ FIELD_CASE(Enum, intValue)
+ FIELD_CASE(Int64, longLongValue)
+ FIELD_CASE(SInt64, longLongValue)
+ FIELD_CASE(SFixed64, longLongValue)
+ FIELD_CASE(UInt32, unsignedIntValue)
+ FIELD_CASE(Fixed32, unsignedIntValue)
+ FIELD_CASE(UInt64, unsignedLongLongValue)
+ FIELD_CASE(Fixed64, unsignedLongLongValue)
+ FIELD_CASE2(Bytes)
+ FIELD_CASE2(String)
+ FIELD_CASE2(Message)
+ case GPBDataTypeGroup:
+ [output writeGroupNoTag:description->fieldNumber value:object];
+ return;
+ }
+#undef FIELD_CASE
+#undef FIELD_CASE2
+}
+
+static void WriteArrayIncludingTagsToCodedOutputStream(
+ NSArray *values, GPBExtensionDescription *description,
+ GPBCodedOutputStream *output) {
+ if (GPBExtensionIsPacked(description)) {
+ [output writeTag:description->fieldNumber
+ format:GPBWireFormatLengthDelimited];
+ size_t dataSize = 0;
+ size_t typeSize = DataTypeSize(description->dataType);
+ if (typeSize != 0) {
+ dataSize = values.count * typeSize;
+ } else {
+ for (id value in values) {
+ dataSize +=
+ ComputePBSerializedSizeNoTagOfObject(description->dataType, value);
+ }
+ }
+ [output writeRawVarintSizeTAs32:dataSize];
+ for (id value in values) {
+ WriteObjectNoTagToCodedOutputStream(value, description, output);
+ }
+ } else {
+ for (id value in values) {
+ WriteObjectIncludingTagToCodedOutputStream(value, description, output);
+ }
+ }
+}
+
+// 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"
+
+void GPBExtensionMergeFromInputStream(GPBExtensionDescriptor *extension,
+ BOOL isPackedOnStream,
+ GPBCodedInputStream *input,
+ GPBExtensionRegistry *extensionRegistry,
+ GPBMessage *message) {
+ GPBExtensionDescription *description = extension->description_;
+ GPBCodedInputStreamState *state = &input->state_;
+ if (isPackedOnStream) {
+ NSCAssert(GPBExtensionIsRepeated(description),
+ @"How was it packed if it isn't repeated?");
+ int32_t length = GPBCodedInputStreamReadInt32(state);
+ size_t limit = GPBCodedInputStreamPushLimit(state, length);
+ while (GPBCodedInputStreamBytesUntilLimit(state) > 0) {
+ id value = NewSingleValueFromInputStream(extension,
+ input,
+ extensionRegistry,
+ nil);
+ [message addExtension:extension value:value];
+ [value release];
+ }
+ GPBCodedInputStreamPopLimit(state, limit);
+ } else {
+ id existingValue = nil;
+ BOOL isRepeated = GPBExtensionIsRepeated(description);
+ if (!isRepeated && GPBDataTypeIsMessage(description->dataType)) {
+ existingValue = [message getExistingExtension:extension];
+ }
+ id value = NewSingleValueFromInputStream(extension,
+ input,
+ extensionRegistry,
+ existingValue);
+ if (isRepeated) {
+ [message addExtension:extension value:value];
+ } else {
+ [message setExtension:extension value:value];
+ }
+ [value release];
+ }
+}
+
+void GPBWriteExtensionValueToOutputStream(GPBExtensionDescriptor *extension,
+ id value,
+ GPBCodedOutputStream *output) {
+ GPBExtensionDescription *description = extension->description_;
+ if (GPBExtensionIsRepeated(description)) {
+ WriteArrayIncludingTagsToCodedOutputStream(value, description, output);
+ } else {
+ WriteObjectIncludingTagToCodedOutputStream(value, description, output);
+ }
+}
+
+size_t GPBComputeExtensionSerializedSizeIncludingTag(
+ GPBExtensionDescriptor *extension, id value) {
+ GPBExtensionDescription *description = extension->description_;
+ if (GPBExtensionIsRepeated(description)) {
+ return ComputeSerializedSizeIncludingTagOfArray(description, value);
+ } else {
+ return ComputeSerializedSizeIncludingTagOfObject(description, value);
+ }
+}
+
+// Note that this returns a retained value intentionally.
+static id NewSingleValueFromInputStream(GPBExtensionDescriptor *extension,
+ GPBCodedInputStream *input,
+ GPBExtensionRegistry *extensionRegistry,
+ GPBMessage *existingValue) {
+ GPBExtensionDescription *description = extension->description_;
+ GPBCodedInputStreamState *state = &input->state_;
+ switch (description->dataType) {
+ case GPBDataTypeBool: return [[NSNumber alloc] initWithBool:GPBCodedInputStreamReadBool(state)];
+ case GPBDataTypeFixed32: return [[NSNumber alloc] initWithUnsignedInt:GPBCodedInputStreamReadFixed32(state)];
+ case GPBDataTypeSFixed32: return [[NSNumber alloc] initWithInt:GPBCodedInputStreamReadSFixed32(state)];
+ case GPBDataTypeFloat: return [[NSNumber alloc] initWithFloat:GPBCodedInputStreamReadFloat(state)];
+ case GPBDataTypeFixed64: return [[NSNumber alloc] initWithUnsignedLongLong:GPBCodedInputStreamReadFixed64(state)];
+ case GPBDataTypeSFixed64: return [[NSNumber alloc] initWithLongLong:GPBCodedInputStreamReadSFixed64(state)];
+ case GPBDataTypeDouble: return [[NSNumber alloc] initWithDouble:GPBCodedInputStreamReadDouble(state)];
+ case GPBDataTypeInt32: return [[NSNumber alloc] initWithInt:GPBCodedInputStreamReadInt32(state)];
+ case GPBDataTypeInt64: return [[NSNumber alloc] initWithLongLong:GPBCodedInputStreamReadInt64(state)];
+ case GPBDataTypeSInt32: return [[NSNumber alloc] initWithInt:GPBCodedInputStreamReadSInt32(state)];
+ case GPBDataTypeSInt64: return [[NSNumber alloc] initWithLongLong:GPBCodedInputStreamReadSInt64(state)];
+ case GPBDataTypeUInt32: return [[NSNumber alloc] initWithUnsignedInt:GPBCodedInputStreamReadUInt32(state)];
+ case GPBDataTypeUInt64: return [[NSNumber alloc] initWithUnsignedLongLong:GPBCodedInputStreamReadUInt64(state)];
+ case GPBDataTypeBytes: return GPBCodedInputStreamReadRetainedBytes(state);
+ case GPBDataTypeString: return GPBCodedInputStreamReadRetainedString(state);
+ case GPBDataTypeEnum: return [[NSNumber alloc] initWithInt:GPBCodedInputStreamReadEnum(state)];
+ case GPBDataTypeGroup:
+ case GPBDataTypeMessage: {
+ GPBMessage *message;
+ if (existingValue) {
+ message = [existingValue retain];
+ } else {
+ GPBDescriptor *decriptor = [extension.msgClass descriptor];
+ message = [[decriptor.messageClass alloc] init];
+ }
+
+ if (description->dataType == GPBDataTypeGroup) {
+ [input readGroup:description->fieldNumber
+ message:message
+ extensionRegistry:extensionRegistry];
+ } else {
+ // description->dataType == GPBDataTypeMessage
+ if (GPBExtensionIsWireFormat(description)) {
+ // For MessageSet fields the message length will have already been
+ // read.
+ [message mergeFromCodedInputStream:input
+ extensionRegistry:extensionRegistry];
+ } else {
+ [input readMessage:message extensionRegistry:extensionRegistry];
+ }
+ }
+
+ return message;
+ }
+ }
+
+ return nil;
+}
+
+#pragma clang diagnostic pop
fnp / wl-app.git / blobdiff