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#include "google/protobuf/compiler/csharp/csharp_repeated_enum_field.h"

#include <sstream>

#include "google/protobuf/compiler/code_generator.h"
#include "google/protobuf/descriptor.h"
#include "google/protobuf/wire_format.h"
#include "google/protobuf/compiler/csharp/csharp_doc_comment.h"
#include "google/protobuf/compiler/csharp/csharp_helpers.h"
#include "google/protobuf/descriptor.pb.h"
#include "google/protobuf/io/printer.h"
#include "google/protobuf/io/zero_copy_stream.h"

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

RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator(
    const FieldDescriptor* descriptor, int presenceIndex, const Options *options)
    : FieldGeneratorBase(descriptor, presenceIndex, options) {
}

RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {

}

void RepeatedEnumFieldGenerator::GenerateMembers(io::Printer* printer) {
  printer->Print(
    variables_,
    "private static readonly pb::FieldCodec<$type_name$> _repeated_$name$_codec\n"
    "    = pb::FieldCodec.ForEnum($tag$, x => (int) x, x => ($type_name$) x);\n");
  printer->Print(variables_,
    "private readonly pbc::RepeatedField<$type_name$> $name$_ = new pbc::RepeatedField<$type_name$>();\n");
  WritePropertyDocComment(printer, descriptor_);
  AddPublicMemberAttributes(printer);
  printer->Print(
    variables_,
    "$access_level$ 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) {
  GenerateParsingCode(printer, true);
}

void RepeatedEnumFieldGenerator::GenerateParsingCode(io::Printer* printer, bool use_parse_context) {
  printer->Print(
    variables_,
    use_parse_context
    ? "$name$_.AddEntriesFrom(ref input, _repeated_$name$_codec);\n"
    : "$name$_.AddEntriesFrom(input, _repeated_$name$_codec);\n");
}

void RepeatedEnumFieldGenerator::GenerateSerializationCode(io::Printer* printer) {
  GenerateSerializationCode(printer, true);
}

void RepeatedEnumFieldGenerator::GenerateSerializationCode(io::Printer* printer, bool use_write_context) {
  printer->Print(
    variables_,
    use_write_context
    ? "$name$_.WriteTo(ref output, _repeated_$name$_codec);\n"
    : "$name$_.WriteTo(output, _repeated_$name$_codec);\n");
}

void RepeatedEnumFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) {
  printer->Print(
    variables_,
    "size += $name$_.CalculateSize(_repeated_$name$_codec);\n");
}

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

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

void RepeatedEnumFieldGenerator::GenerateExtensionCode(io::Printer* printer) {
  WritePropertyDocComment(printer, descriptor_);
  AddDeprecatedFlag(printer);
  printer->Print(
    variables_,
    "$access_level$ static readonly pb::RepeatedExtension<$extended_type$, $type_name$> $property_name$ =\n"
    "  new pb::RepeatedExtension<$extended_type$, $type_name$>($number$, "
    "pb::FieldCodec.ForEnum($tag$, x => (int) x, x => ($type_name$) x));\n");
}

void RepeatedEnumFieldGenerator::GenerateFreezingCode(io::Printer* printer) {
}

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