path: root/src/google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
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#include <sstream>

#include <google/protobuf/compiler/code_generator.h>
#include <google/protobuf/compiler/plugin.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/io/zero_copy_stream.h>
#include <google/protobuf/wire_format.h>

#include <google/protobuf/compiler/csharp/csharp_helpers.h>
#include <google/protobuf/compiler/csharp/csharp_repeated_enum_field.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace csharp {

RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator(
    const FieldDescriptor* descriptor, int fieldOrdinal)
    : FieldGeneratorBase(descriptor, fieldOrdinal) {
}

RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {

}

void RepeatedEnumFieldGenerator::GenerateMembers(io::Printer* printer) {
  printer->Print(variables_,
    "private readonly pbc::RepeatedField<$type_name$> $name$_ = new pbc::RepeatedField<$type_name$>();\n");
  AddDeprecatedFlag(printer);
  printer->Print(
    variables_,
    "public pbc::RepeatedField<$type_name$> $property_name$ {\n"
    "  get { return $name$_; }\n"
    "}\n");
}

void RepeatedEnumFieldGenerator::GenerateMergingCode(io::Printer* printer) {
  printer->Print(
    variables_,
    "$name$_.Add(other.$name$_);\n");
}

void RepeatedEnumFieldGenerator::GenerateParsingCode(io::Printer* printer) {
  printer->Print(
    variables_,
    "input.ReadEnumArray<$type_name$>(tag, fieldName, result.$name$_);\n");
}

void RepeatedEnumFieldGenerator::GenerateSerializationCode(io::Printer* printer) {
  // TODO(jonskeet): Originally, this checked for Count > 0 first.
  // The Write* call should make that cheap though - no need to generate it every time.
  if (descriptor_->is_packed()) {
    printer->Print(
      variables_,
      "output.WritePackedEnumArray($number$, fieldNames[$field_ordinal$], $name$_);\n");
  } else {
    printer->Print(variables_,
      "output.WriteEnumArray($number$, fieldNames[$field_ordinal$], $name$_);\n");
  }
  printer->Print("}\n");
}

void RepeatedEnumFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) {
  printer->Print("{\n");
  printer->Indent();
  // TODO(jonskeet): Move all this code into CodedOutputStream? It's a lot to repeat everywhere...
  printer->Print(
    variables_,
    "int dataSize = 0;\n"
    "if ($name$_.Count > 0) {\n");
  printer->Indent();
  printer->Print(
    variables_,
    "foreach ($type_name$ element in $name$_) {\n"
    "  dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((long) element);\n"
    "}\n"
    "size += dataSize;\n");
  int tagSize = internal::WireFormat::TagSize(descriptor_->number(), descriptor_->type());
  if (descriptor_->is_packed()) {
    printer->Print(
      "size += $tag_size$;\n"
      "size += pb::CodedOutputStream.ComputeRawVarint32Size((uint) dataSize);\n",
      "tag_size", SimpleItoa(tagSize));
  } else {
    printer->Print(
      "size += $tag_size$ * $name$_.Count;\n",
      "tag_size", SimpleItoa(tagSize), "name", name());
  }
  printer->Outdent();
  printer->Print("}\n");
  printer->Outdent();
  printer->Print("}\n");
}

void RepeatedEnumFieldGenerator::WriteHash(io::Printer* printer) {
  printer->Print(
    variables_,
    "foreach($type_name$ i in $name$_) {\n"
    "  hash ^= i.GetHashCode();\n"
    "}\n");
}

void RepeatedEnumFieldGenerator::WriteEquals(io::Printer* printer) {
  printer->Print(
    variables_,
    "if(!$name$_.Equals(other.$name$)) return false;\n");
}

void RepeatedEnumFieldGenerator::WriteToString(io::Printer* printer) {
  printer->Print(variables_,
    "PrintField(\"$descriptor_name$\", $name$_, writer);\n");
}

}  // namespace csharp
}  // namespace compiler
}  // namespace protobuf
}  // namespace google