1fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Protocol Buffers - Google's data interchange format 2fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Copyright 2008 Google Inc. All rights reserved. 3fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// http://code.google.com/p/protobuf/ 4fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 5fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Redistribution and use in source and binary forms, with or without 6fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// modification, are permitted provided that the following conditions are 7fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// met: 8fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 9fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions of source code must retain the above copyright 10fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// notice, this list of conditions and the following disclaimer. 11fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions in binary form must reproduce the above 12fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// copyright notice, this list of conditions and the following disclaimer 13fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in the documentation and/or other materials provided with the 14fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// distribution. 15fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Neither the name of Google Inc. nor the names of its 16fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// contributors may be used to endorse or promote products derived from 17fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this software without specific prior written permission. 18fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 19fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 31fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Author: kenton@google.com (Kenton Varda) 32fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// atenasio@google.com (Chris Atenasio) (ZigZag transform) 33fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Based on original Protocol Buffers design by 34fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Sanjay Ghemawat, Jeff Dean, and others. 35fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 36fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This header is logically internal, but is made public because it is used 37fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// from protocol-compiler-generated code, which may reside in other components. 38fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 39fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifndef GOOGLE_PROTOBUF_WIRE_FORMAT_H__ 40fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_PROTOBUF_WIRE_FORMAT_H__ 41fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 42fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <string> 43fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/descriptor.pb.h> 44fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/descriptor.h> 45fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/message.h> 46fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/wire_format_lite.h> 47fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 48fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Do UTF-8 validation on string type in Debug build only 49fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifndef NDEBUG 50fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED 51fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 52fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 53fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace google { 54fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace protobuf { 55fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville namespace io { 56fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville class CodedInputStream; // coded_stream.h 57fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville class CodedOutputStream; // coded_stream.h 58fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 59fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville class UnknownFieldSet; // unknown_field_set.h 60fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 61fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 62fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace protobuf { 63fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 64fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 65fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This class is for internal use by the protocol buffer library and by 66fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// protocol-complier-generated message classes. It must not be called 67fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// directly by clients. 68fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 69fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This class contains code for implementing the binary protocol buffer 70fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// wire format via reflection. The WireFormatLite class implements the 71fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// non-reflection based routines. 72fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 73fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This class is really a namespace that contains only static methods 74fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT WireFormat { 75fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 76fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 77fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Given a field return its WireType 78fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static inline WireFormatLite::WireType WireTypeForField( 79fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field); 80fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 81fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Given a FieldSescriptor::Type return its WireType 82fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static inline WireFormatLite::WireType WireTypeForFieldType( 83fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FieldDescriptor::Type type); 84fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 85fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Compute the byte size of a tag. For groups, this includes both the start 86fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // and end tags. 87fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static inline int TagSize(int field_number, FieldDescriptor::Type type); 88fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 89fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // These procedures can be used to implement the methods of Message which 90fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // handle parsing and serialization of the protocol buffer wire format 91fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // using only the Reflection interface. When you ask the protocol 92fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // compiler to optimize for code size rather than speed, it will implement 93fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // those methods in terms of these procedures. Of course, these are much 94fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // slower than the specialized implementations which the protocol compiler 95fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // generates when told to optimize for speed. 96fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 97fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Read a message in protocol buffer wire format. 98fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 99fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // This procedure reads either to the end of the input stream or through 100fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // a WIRETYPE_END_GROUP tag ending the message, whichever comes first. 101fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // It returns false if the input is invalid. 102fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 103fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Required fields are NOT checked by this method. You must call 104fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // IsInitialized() on the resulting message yourself. 105fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool ParseAndMergePartial(io::CodedInputStream* input, 106fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Message* message); 107fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 108fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Serialize a message in protocol buffer wire format. 109fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 110fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Any embedded messages within the message must have their correct sizes 111fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // cached. However, the top-level message need not; its size is passed as 112fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // a parameter to this procedure. 113fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 114fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // These return false iff the underlying stream returns a write error. 115fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void SerializeWithCachedSizes( 116fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& message, 117fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville int size, io::CodedOutputStream* output); 118fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 119fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Implements Message::ByteSize() via reflection. WARNING: The result 120fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // of this method is *not* cached anywhere. However, all embedded messages 121fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // will have their ByteSize() methods called, so their sizes will be cached. 122fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Therefore, calling this method is sufficient to allow you to call 123fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // WireFormat::SerializeWithCachedSizes() on the same object. 124fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static int ByteSize(const Message& message); 125fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 126fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // ----------------------------------------------------------------- 127fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Helpers for dealing with unknown fields 128fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 129fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Skips a field value of the given WireType. The input should start 130fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // positioned immediately after the tag. If unknown_fields is non-NULL, 131fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // the contents of the field will be added to it. 132fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool SkipField(io::CodedInputStream* input, uint32 tag, 133fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville UnknownFieldSet* unknown_fields); 134fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 135fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Reads and ignores a message from the input. If unknown_fields is non-NULL, 136fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // the contents will be added to it. 137fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool SkipMessage(io::CodedInputStream* input, 138fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville UnknownFieldSet* unknown_fields); 139fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 140fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Write the contents of an UnknownFieldSet to the output. 141fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void SerializeUnknownFields(const UnknownFieldSet& unknown_fields, 142fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville io::CodedOutputStream* output); 143fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Same as above, except writing directly to the provided buffer. 144fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Requires that the buffer have sufficient capacity for 145fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // ComputeUnknownFieldsSize(unknown_fields). 146fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 147fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns a pointer past the last written byte. 148fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static uint8* SerializeUnknownFieldsToArray( 149fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const UnknownFieldSet& unknown_fields, 150fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville uint8* target); 151fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 152fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Same thing except for messages that have the message_set_wire_format 153fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // option. 154fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void SerializeUnknownMessageSetItems( 155fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const UnknownFieldSet& unknown_fields, 156fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville io::CodedOutputStream* output); 157fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Same as above, except writing directly to the provided buffer. 158fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Requires that the buffer have sufficient capacity for 159fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // ComputeUnknownMessageSetItemsSize(unknown_fields). 160fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 161fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns a pointer past the last written byte. 162fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static uint8* SerializeUnknownMessageSetItemsToArray( 163fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const UnknownFieldSet& unknown_fields, 164fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville uint8* target); 165fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 166fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Compute the size of the UnknownFieldSet on the wire. 167fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static int ComputeUnknownFieldsSize(const UnknownFieldSet& unknown_fields); 168fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 169fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Same thing except for messages that have the message_set_wire_format 170fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // option. 171fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static int ComputeUnknownMessageSetItemsSize( 172fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const UnknownFieldSet& unknown_fields); 173fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 174fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 175fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Helper functions for encoding and decoding tags. (Inlined below and in 176fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // _inl.h) 177fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 178fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // This is different from MakeTag(field->number(), field->type()) in the case 179fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // of packed repeated fields. 180fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static uint32 MakeTag(const FieldDescriptor* field); 181fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 182fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Parse a single field. The input should start out positioned immidately 183fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // after the tag. 184fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool ParseAndMergeField( 185fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville uint32 tag, 186fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field, // May be NULL for unknown 187fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Message* message, 188fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville io::CodedInputStream* input); 189fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 190fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Serialize a single field. 191fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void SerializeFieldWithCachedSizes( 192fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field, // Cannot be NULL 193fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& message, 194fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville io::CodedOutputStream* output); 195fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 196fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Compute size of a single field. If the field is a message type, this 197fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // will call ByteSize() for the embedded message, insuring that it caches 198fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // its size. 199fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static int FieldByteSize( 200fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field, // Cannot be NULL 201fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& message); 202fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 203fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Parse/serialize a MessageSet::Item group. Used with messages that use 204fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // opion message_set_wire_format = true. 205fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool ParseAndMergeMessageSetItem( 206fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville io::CodedInputStream* input, 207fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Message* message); 208fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void SerializeMessageSetItemWithCachedSizes( 209fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field, 210fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& message, 211fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville io::CodedOutputStream* output); 212fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static int MessageSetItemByteSize( 213fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field, 214fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& message); 215fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 216fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Computes the byte size of a field, excluding tags. For packed fields, it 217fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // only includes the size of the raw data, and not the size of the total 218fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // length, but for other length-delimited types, the size of the length is 219fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // included. 220fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static int FieldDataOnlyByteSize( 221fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field, // Cannot be NULL 222fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& message); 223fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 224fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville enum Operation { 225fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville PARSE, 226fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville SERIALIZE, 227fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville }; 228fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 229fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Verifies that a string field is valid UTF8, logging an error if not. 230fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void VerifyUTF8String(const char* data, int size, Operation op); 231fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 232fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 233fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Verifies that a string field is valid UTF8, logging an error if not. 234fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static void VerifyUTF8StringFallback( 235fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* data, 236fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville int size, 237fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Operation op); 238fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 239fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 240fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 241fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(WireFormat); 242fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 243fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 244fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Subclass of FieldSkipper which saves skipped fields to an UnknownFieldSet. 245fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass LIBPROTOBUF_EXPORT UnknownFieldSetFieldSkipper : public FieldSkipper { 246fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 247fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville UnknownFieldSetFieldSkipper(UnknownFieldSet* unknown_fields) 248fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : unknown_fields_(unknown_fields) {} 249fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual ~UnknownFieldSetFieldSkipper() {} 250fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 251fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // implements FieldSkipper ----------------------------------------- 252fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual bool SkipField(io::CodedInputStream* input, uint32 tag); 253fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual bool SkipMessage(io::CodedInputStream* input); 254fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual void SkipUnknownEnum(int field_number, int value); 255fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 256fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 257fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville UnknownFieldSet* unknown_fields_; 258fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 259fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 260fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// inline methods ==================================================== 261fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 262fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline WireFormatLite::WireType WireFormat::WireTypeForField( 263fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const FieldDescriptor* field) { 264fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (field->options().packed()) { 265fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return WireFormatLite::WIRETYPE_LENGTH_DELIMITED; 266fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 267fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return WireTypeForFieldType(field->type()); 268fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 269fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 270fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 271fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline WireFormatLite::WireType WireFormat::WireTypeForFieldType( 272fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FieldDescriptor::Type type) { 273fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Some compilers don't like enum -> enum casts, so we implicit_cast to 274fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // int first. 275fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return WireFormatLite::WireTypeForFieldType( 276fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static_cast<WireFormatLite::FieldType>( 277fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville implicit_cast<int>(type))); 278fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 279fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 280fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline uint32 WireFormat::MakeTag(const FieldDescriptor* field) { 281fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return WireFormatLite::MakeTag(field->number(), WireTypeForField(field)); 282fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 283fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 284fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline int WireFormat::TagSize(int field_number, FieldDescriptor::Type type) { 285fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Some compilers don't like enum -> enum casts, so we implicit_cast to 286fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // int first. 287fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return WireFormatLite::TagSize(field_number, 288fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static_cast<WireFormatLite::FieldType>( 289fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville implicit_cast<int>(type))); 290fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 291fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 292fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline void WireFormat::VerifyUTF8String(const char* data, int size, 293fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville WireFormat::Operation op) { 294fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED 295fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville WireFormat::VerifyUTF8StringFallback(data, size, op); 296fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif 297fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 298fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 299fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 300fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 301fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace protobuf 302fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 303fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace google 304fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GOOGLE_PROTOBUF_WIRE_FORMAT_H__ 305