third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
SetMessageVariables
MessageFieldGenerator
GeneratePrivateMembers
GenerateAccessorDeclarations
GenerateInlineAccessorDefinitions
GenerateClearingCode
GenerateMergingCode
GenerateSwappingCode
GenerateConstructorCode
GenerateMergeFromCodedStream
GenerateSerializeWithCachedSizes
GenerateSerializeWithCachedSizesToArray
GenerateByteSize
RepeatedMessageFieldGenerator
GeneratePrivateMembers
GenerateAccessorDeclarations
GenerateInlineAccessorDefinitions
GenerateClearingCode
GenerateMergingCode
GenerateSwappingCode
GenerateConstructorCode
GenerateMergeFromCodedStream
GenerateSerializeWithCachedSizes
GenerateSerializeWithCachedSizesToArray
GenerateByteSize
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// http://code.google.com/p/protobuf/
//
// 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.

// Author: kenton@google.com (Kenton Varda)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#include <google/protobuf/compiler/cpp/cpp_message_field.h>
#include <google/protobuf/compiler/cpp/cpp_helpers.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/stubs/strutil.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {

namespace {

void SetMessageVariables(const FieldDescriptor* descriptor,
                         map<string, string>* variables,
                         const Options& options) {
  SetCommonFieldVariables(descriptor, variables, options);
  (*variables)["type"] = FieldMessageTypeName(descriptor);
  (*variables)["stream_writer"] = (*variables)["declared_type"] +
      (HasFastArraySerialization(descriptor->message_type()->file()) ?
       "MaybeToArray" :
       "");
}

}  // namespace

// ===================================================================

MessageFieldGenerator::
MessageFieldGenerator(const FieldDescriptor* descriptor,
                      const Options& options)
  : descriptor_(descriptor) {
  SetMessageVariables(descriptor, &variables_, options);
}

MessageFieldGenerator::~MessageFieldGenerator() {}

void MessageFieldGenerator::
GeneratePrivateMembers(io::Printer* printer) const {
  printer->Print(variables_, "$type$* $name$_;\n");
}

void MessageFieldGenerator::
GenerateAccessorDeclarations(io::Printer* printer) const {
  printer->Print(variables_,
    "inline const $type$& $name$() const$deprecation$;\n"
    "inline $type$* mutable_$name$()$deprecation$;\n"
    "inline $type$* release_$name$()$deprecation$;\n"
    "inline void set_allocated_$name$($type$* $name$)$deprecation$;\n");
}

void MessageFieldGenerator::
GenerateInlineAccessorDefinitions(io::Printer* printer) const {
  printer->Print(variables_,
    "inline const $type$& $classname$::$name$() const {\n");

  PrintHandlingOptionalStaticInitializers(
    variables_, descriptor_->file(), printer,
    // With static initializers.
    "  return $name$_ != NULL ? *$name$_ : *default_instance_->$name$_;\n",
    // Without.
    "  return $name$_ != NULL ? *$name$_ : *default_instance().$name$_;\n");

  printer->Print(variables_,
    "}\n"
    "inline $type$* $classname$::mutable_$name$() {\n"
    "  set_has_$name$();\n"
    "  if ($name$_ == NULL) $name$_ = new $type$;\n"
    "  return $name$_;\n"
    "}\n"
    "inline $type$* $classname$::release_$name$() {\n"
    "  clear_has_$name$();\n"
    "  $type$* temp = $name$_;\n"
    "  $name$_ = NULL;\n"
    "  return temp;\n"
    "}\n"
    "inline void $classname$::set_allocated_$name$($type$* $name$) {\n"
    "  delete $name$_;\n"
    "  $name$_ = $name$;\n"
    "  if ($name$) {\n"
    "    set_has_$name$();\n"
    "  } else {\n"
    "    clear_has_$name$();\n"
    "  }\n"
    "}\n");
}

void MessageFieldGenerator::
GenerateClearingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "if ($name$_ != NULL) $name$_->$type$::Clear();\n");
}

void MessageFieldGenerator::
GenerateMergingCode(io::Printer* printer) const {
  printer->Print(variables_,
    "mutable_$name$()->$type$::MergeFrom(from.$name$());\n");
}

void MessageFieldGenerator::
GenerateSwappingCode(io::Printer* printer) const {
  printer->Print(variables_, "std::swap($name$_, other->$name$_);\n");
}

void MessageFieldGenerator::
GenerateConstructorCode(io::Printer* printer) const {
  printer->Print(variables_, "$name$_ = NULL;\n");
}

void MessageFieldGenerator::
GenerateMergeFromCodedStream(io::Printer* printer) const {
  if (descriptor_->type() == FieldDescriptor::TYPE_MESSAGE) {
    printer->Print(variables_,
      "DO_(::google::protobuf::internal::WireFormatLite::ReadMessageNoVirtual(\n"
      "     input, mutable_$name$()));\n");
  } else {
    printer->Print(variables_,
      "DO_(::google::protobuf::internal::WireFormatLite::ReadGroupNoVirtual(\n"
      "      $number$, input, mutable_$name$()));\n");
  }
}

void MessageFieldGenerator::
GenerateSerializeWithCachedSizes(io::Printer* printer) const {
  printer->Print(variables_,
    "::google::protobuf::internal::WireFormatLite::Write$stream_writer$(\n"
    "  $number$, this->$name$(), output);\n");
}

void MessageFieldGenerator::
GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const {
  printer->Print(variables_,
    "target = ::google::protobuf::internal::WireFormatLite::\n"
    "  Write$declared_type$NoVirtualToArray(\n"
    "    $number$, this->$name$(), target);\n");
}

void MessageFieldGenerator::
GenerateByteSize(io::Printer* printer) const {
  printer->Print(variables_,
    "total_size += $tag_size$ +\n"
    "  ::google::protobuf::internal::WireFormatLite::$declared_type$SizeNoVirtual(\n"
    "    this->$name$());\n");
}

// ===================================================================

RepeatedMessageFieldGenerator::
RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor,
                              const Options& options)
  : descriptor_(descriptor) {
  SetMessageVariables(descriptor, &variables_, options);
}

RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {}

void RepeatedMessageFieldGenerator::
GeneratePrivateMembers(io::Printer* printer) const {
  printer->Print(variables_,
    "::google::protobuf::RepeatedPtrField< $type$ > $name$_;\n");
}

void RepeatedMessageFieldGenerator::
GenerateAccessorDeclarations(io::Printer* printer) const {
  printer->Print(variables_,
    "inline const $type$& $name$(int index) const$deprecation$;\n"
    "inline $type$* mutable_$name$(int index)$deprecation$;\n"
    "inline $type$* add_$name$()$deprecation$;\n");
  printer->Print(variables_,
    "inline const ::google::protobuf::RepeatedPtrField< $type$ >&\n"
    "    $name$() const$deprecation$;\n"
    "inline ::google::protobuf::RepeatedPtrField< $type$ >*\n"
    "    mutable_$name$()$deprecation$;\n");
}

void RepeatedMessageFieldGenerator::
GenerateInlineAccessorDefinitions(io::Printer* printer) const {
  printer->Print(variables_,
    "inline const $type$& $classname$::$name$(int index) const {\n"
    "  return $name$_.$cppget$(index);\n"
    "}\n"
    "inline $type$* $classname$::mutable_$name$(int index) {\n"
    "  return $name$_.Mutable(index);\n"
    "}\n"
    "inline $type$* $classname$::add_$name$() {\n"
    "  return $name$_.Add();\n"
    "}\n");
  printer->Print(variables_,
    "inline const ::google::protobuf::RepeatedPtrField< $type$ >&\n"
    "$classname$::$name$() const {\n"
    "  return $name$_;\n"
    "}\n"
    "inline ::google::protobuf::RepeatedPtrField< $type$ >*\n"
    "$classname$::mutable_$name$() {\n"
    "  return &$name$_;\n"
    "}\n");
}

void RepeatedMessageFieldGenerator::
GenerateClearingCode(io::Printer* printer) const {
  printer->Print(variables_, "$name$_.Clear();\n");
}

void RepeatedMessageFieldGenerator::
GenerateMergingCode(io::Printer* printer) const {
  printer->Print(variables_, "$name$_.MergeFrom(from.$name$_);\n");
}

void RepeatedMessageFieldGenerator::
GenerateSwappingCode(io::Printer* printer) const {
  printer->Print(variables_, "$name$_.Swap(&other->$name$_);\n");
}

void RepeatedMessageFieldGenerator::
GenerateConstructorCode(io::Printer* printer) const {
  // Not needed for repeated fields.
}

void RepeatedMessageFieldGenerator::
GenerateMergeFromCodedStream(io::Printer* printer) const {
  if (descriptor_->type() == FieldDescriptor::TYPE_MESSAGE) {
    printer->Print(variables_,
      "DO_(::google::protobuf::internal::WireFormatLite::ReadMessageNoVirtual(\n"
      "      input, add_$name$()));\n");
  } else {
    printer->Print(variables_,
      "DO_(::google::protobuf::internal::WireFormatLite::ReadGroupNoVirtual(\n"
      "      $number$, input, add_$name$()));\n");
  }
}

void RepeatedMessageFieldGenerator::
GenerateSerializeWithCachedSizes(io::Printer* printer) const {
  printer->Print(variables_,
    "for (int i = 0; i < this->$name$_size(); i++) {\n"
    "  ::google::protobuf::internal::WireFormatLite::Write$stream_writer$(\n"
    "    $number$, this->$name$(i), output);\n"
    "}\n");
}

void RepeatedMessageFieldGenerator::
GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const {
  printer->Print(variables_,
    "for (int i = 0; i < this->$name$_size(); i++) {\n"
    "  target = ::google::protobuf::internal::WireFormatLite::\n"
    "    Write$declared_type$NoVirtualToArray(\n"
    "      $number$, this->$name$(i), target);\n"
    "}\n");
}

void RepeatedMessageFieldGenerator::
GenerateByteSize(io::Printer* printer) const {
  printer->Print(variables_,
    "total_size += $tag_size$ * this->$name$_size();\n"
    "for (int i = 0; i < this->$name$_size(); i++) {\n"
    "  total_size +=\n"
    "    ::google::protobuf::internal::WireFormatLite::$declared_type$SizeNoVirtual(\n"
    "      this->$name$(i));\n"
    "}\n");
}

}  // namespace cpp
}  // namespace compiler
}  // namespace protobuf
}  // namespace google
/* [<][>][^][v][top][bottom][index][help] */
root/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.cc

DEFINITIONS
