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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc.
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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// * 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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// * 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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// 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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// Author: kenton@google.com (Kenton Varda)
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// atenasio@google.com (Chris Atenasio) (ZigZag transform)
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// These procedures can be used to implement the methods of Message which
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// handle parsing and serialization of the protocol buffer wire format
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// using only the Message::Reflection interface. When you ask the protocol
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// using only the Reflection interface. When you ask the protocol
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// compiler to optimize for code size rather than speed, it will implement
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// those methods in terms of these procedures. Of course, these are much
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// slower than the specialized implementations which the protocol compiler
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// Required fields are NOT checked by this method. You must call
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// IsInitialized() on the resulting message yourself.
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static bool ParseAndMergePartial(const Descriptor* descriptor,
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io::CodedInputStream* input,
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Message::Reflection* message_reflection);
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static bool ParseAndMergePartial(io::CodedInputStream* input,
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// Serialize a message in protocol buffer wire format.
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// These return false iff the underlying stream returns a write error.
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static bool SerializeWithCachedSizes(
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const Descriptor* descriptor,
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const Message::Reflection* message_reflection,
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const Message& message,
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int size, io::CodedOutputStream* output);
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// Implements Message::ByteSize() via reflection. WARNING: The result
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// will have their ByteSize() methods called, so their sizes will be cached.
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// Therefore, calling this method is sufficient to allow you to call
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// WireFormat::SerializeWithCachedSizes() on the same object.
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static int ByteSize(const Descriptor* descriptor,
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const Message::Reflection* message_reflection);
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static int ByteSize(const Message& message);
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// -----------------------------------------------------------------
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// Helpers for dealing with unknown fields
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static bool ParseAndMergeField(
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const FieldDescriptor* field, // May be NULL for unknown
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Message::Reflection* message_reflection,
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io::CodedInputStream* input);
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// Serialize a single field.
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static bool SerializeFieldWithCachedSizes(
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const FieldDescriptor* field, // Cannot be NULL
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const Message::Reflection* message_reflection,
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const Message& message,
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io::CodedOutputStream* output);
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// Compute size of a single field. If the field is a message type, this
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// opion message_set_wire_format = true.
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static bool ParseAndMergeMessageSetItem(
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io::CodedInputStream* input,
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Message::Reflection* message_reflection);
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static bool SerializeMessageSetItemWithCachedSizes(
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const FieldDescriptor* field,
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const Message::Reflection* message_reflection,
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const Message& message,
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io::CodedOutputStream* output);
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static int MessageSetItemByteSize(
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const FieldDescriptor* field,
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const Message::Reflection* message_reflection);
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const Message& message);
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GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(WireFormat);
added
removed
src/google/protobuf/wire_format.h
