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90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc.
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// http://code.google.com/p/protobuf/
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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// Modified to implement C code by Dave Benson.
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#include <google/protobuf/compiler/c/c_message_field.h>
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#include <google/protobuf/compiler/c/c_helpers.h>
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#include <google/protobuf/io/printer.h>
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#include <google/protobuf/wire_format.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace c {
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using internal::WireFormat;
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// ===================================================================
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MessageFieldGenerator::
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MessageFieldGenerator(const FieldDescriptor* descriptor)
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: FieldGenerator(descriptor) {
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}
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MessageFieldGenerator::~MessageFieldGenerator() {}
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void MessageFieldGenerator::GenerateStructMembers(io::Printer* printer) const
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{
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map<string, string> vars;
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vars["name"] = FieldName(descriptor_);
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vars["type"] = FullNameToC(descriptor_->message_type()->full_name());
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vars["deprecated"] = FieldDeprecated(descriptor_);
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switch (descriptor_->label()) {
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case FieldDescriptor::LABEL_REQUIRED:
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case FieldDescriptor::LABEL_OPTIONAL:
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printer->Print(vars, "$type$ *$name$$deprecated$;\n");
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break;
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case FieldDescriptor::LABEL_REPEATED:
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printer->Print(vars, "size_t n_$name$$deprecated$;\n");
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printer->Print(vars, "$type$ **$name$$deprecated$;\n");
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break;
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}
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}
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string MessageFieldGenerator::GetDefaultValue(void) const
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{
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/* XXX: update when protobuf gets support
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* for default-values of message fields.
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*/
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return "NULL";
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}
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void MessageFieldGenerator::GenerateStaticInit(io::Printer* printer) const
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{
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switch (descriptor_->label()) {
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case FieldDescriptor::LABEL_REQUIRED:
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case FieldDescriptor::LABEL_OPTIONAL:
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printer->Print("NULL");
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break;
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case FieldDescriptor::LABEL_REPEATED:
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printer->Print("0,NULL");
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break;
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}
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}
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void MessageFieldGenerator::GenerateDescriptorInitializer(io::Printer* printer) const
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{
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string addr = "&" + FullNameToLower(descriptor_->message_type()->full_name()) + "__descriptor";
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GenerateDescriptorInitializerGeneric(printer, false, "MESSAGE", addr);
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}
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} // namespace c
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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