text: // Protocol Buffers - Google's data interchange format
  // Copyright 2008 Google Inc.  All rights reserved.
  // https://developers.google.com/protocol-buffers/
  //
  // 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.
  
  #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/compiler/csharp/csharp_helpers.h>
  #include <google/protobuf/compiler/csharp/csharp_repeated_message_field.h>
  #include <google/protobuf/compiler/csharp/csharp_writer.h>
  
  namespace google {
  namespace protobuf {
  namespace compiler {
  namespace csharp {
  
  RepeatedMessageFieldGenerator::RepeatedMessageFieldGenerator(
      const FieldDescriptor* descriptor, int fieldOrdinal)
      : FieldGeneratorBase(descriptor, fieldOrdinal) {
  }
  
  RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {
  
  }
  
  void RepeatedMessageFieldGenerator::GenerateMembers(Writer* writer) {
    writer->WriteLine(
        "private pbc::PopsicleList<$0$> $1$_ = new pbc::PopsicleList<$0$>();",
        type_name(), name());
    AddDeprecatedFlag(writer);
    writer->WriteLine("public scg::IList<$0$> $1$List {", type_name(),
                      property_name());
    writer->WriteLine("  get { return $0$_; }", name());
    writer->WriteLine("}");
  
    // TODO(jonskeet): Redundant API calls? Possibly - include for portability though. Maybe create an option.
    AddDeprecatedFlag(writer);
    writer->WriteLine("public int $0$Count {", property_name());
    writer->WriteLine("  get { return $0$_.Count; }", name());
    writer->WriteLine("}");
  
    AddDeprecatedFlag(writer);
    writer->WriteLine("public $0$ Get$1$(int index) {", type_name(),
                      property_name());
    writer->WriteLine("  return $0$_[index];", name());
    writer->WriteLine("}");
  }
  
  void RepeatedMessageFieldGenerator::GenerateBuilderMembers(Writer* writer) {
    // Note:  We can return the original list here, because we make it unmodifiable when we build
    // We return it via IPopsicleList so that collection initializers work more pleasantly.
    AddDeprecatedFlag(writer);
    writer->WriteLine("public pbc::IPopsicleList<$0$> $1$List {", type_name(),
                      property_name());
    writer->WriteLine("  get { return PrepareBuilder().$0$_; }", name());
    writer->WriteLine("}");
    AddDeprecatedFlag(writer);
    writer->WriteLine("public int $0$Count {", property_name());
    writer->WriteLine("  get { return result.$0$Count; }", property_name());
    writer->WriteLine("}");
    AddDeprecatedFlag(writer);
    writer->WriteLine("public $0$ Get$1$(int index) {", type_name(),
                      property_name());
    writer->WriteLine("  return result.Get$0$(index);", property_name());
    writer->WriteLine("}");
    AddDeprecatedFlag(writer);
    writer->WriteLine("public Builder Set$0$(int index, $1$ value) {",
                      property_name(), type_name());
    AddNullCheck(writer);
    writer->WriteLine("  PrepareBuilder();");
    writer->WriteLine("  result.$0$_[index] = value;", name());
    writer->WriteLine("  return this;");
    writer->WriteLine("}");
    // Extra overload for builder (just on messages)
    AddDeprecatedFlag(writer);
    writer->WriteLine(
        "public Builder Set$0$(int index, $1$.Builder builderForValue) {",
        property_name(), type_name());
    AddNullCheck(writer, "builderForValue");
    writer->WriteLine("  PrepareBuilder();");
    writer->WriteLine("  result.$0$_[index] = builderForValue.Build();", name());
    writer->WriteLine("  return this;");
    writer->WriteLine("}");
    AddDeprecatedFlag(writer);
    writer->WriteLine("public Builder Add$0$($1$ value) {", property_name(),
                      type_name());
    AddNullCheck(writer);
    writer->WriteLine("  PrepareBuilder();");
    writer->WriteLine("  result.$0$_.Add(value);", name(), type_name());
    writer->WriteLine("  return this;");
    writer->WriteLine("}");
    // Extra overload for builder (just on messages)
    AddDeprecatedFlag(writer);
    writer->WriteLine("public Builder Add$0$($1$.Builder builderForValue) {",
                      property_name(), type_name());
    AddNullCheck(writer, "builderForValue");
    writer->WriteLine("  PrepareBuilder();");
    writer->WriteLine("  result.$0$_.Add(builderForValue.Build());", name());
    writer->WriteLine("  return this;");
    writer->WriteLine("}");
    AddDeprecatedFlag(writer);
    writer->WriteLine(
        "public Builder AddRange$0$(scg::IEnumerable<$1$> values) {",
        property_name(), type_name());
    writer->WriteLine("  PrepareBuilder();");
    writer->WriteLine("  result.$0$_.Add(values);", name());
    writer->WriteLine("  return this;");
    writer->WriteLine("}");
    AddDeprecatedFlag(writer);
    writer->WriteLine("public Builder Clear$0$() {", property_name());
    writer->WriteLine("  PrepareBuilder();");
    writer->WriteLine("  result.$0$_.Clear();", name());
    writer->WriteLine("  return this;");
    writer->WriteLine("}");
  }
  
  void RepeatedMessageFieldGenerator::GenerateMergingCode(Writer* writer) {
    writer->WriteLine("if (other.$0$_.Count != 0) {", name());
    writer->WriteLine("  result.$0$_.Add(other.$0$_);", name());
    writer->WriteLine("}");
  }
  
  void RepeatedMessageFieldGenerator::GenerateBuildingCode(Writer* writer) {
    writer->WriteLine("$0$_.MakeReadOnly();", name());
  }
  
  void RepeatedMessageFieldGenerator::GenerateParsingCode(Writer* writer) {
    writer->WriteLine(
        "input.Read$0$Array(tag, field_name, result.$1$_, $2$.DefaultInstance, extensionRegistry);",
        message_or_group(), name(), type_name());
  }
  
  void RepeatedMessageFieldGenerator::GenerateSerializationCode(Writer* writer) {
    writer->WriteLine("if ($0$_.Count > 0) {", name());
    writer->Indent();
    writer->WriteLine("output.Write$0$Array($1$, field_names[$3$], $2$_);",
                      message_or_group(), number(), name(), field_ordinal());
    writer->Outdent();
    writer->WriteLine("}");
  }
  
  void RepeatedMessageFieldGenerator::GenerateSerializedSizeCode(Writer* writer) {
    writer->WriteLine("foreach ($0$ element in $1$List) {", type_name(),
                      property_name());
    writer->WriteLine(
        "  size += pb::CodedOutputStream.Compute$0$Size($1$, element);",
        message_or_group(), number());
    writer->WriteLine("}");
  }
  
  void RepeatedMessageFieldGenerator::WriteHash(Writer* writer) {
    writer->WriteLine("foreach($0$ i in $1$_)", type_name(), name());
    writer->WriteLine("  hash ^= i.GetHashCode();");
  }
  void RepeatedMessageFieldGenerator::WriteEquals(Writer* writer) {
    writer->WriteLine("if($0$_.Count != other.$0$_.Count) return false;", name());
    writer->WriteLine("for(int ix=0; ix < $0$_.Count; ix++)", name());
    writer->WriteLine("  if(!$0$_[ix].Equals(other.$0$_[ix])) return false;",
                      name());
  }
  void RepeatedMessageFieldGenerator::WriteToString(Writer* writer) {
    writer->WriteLine("PrintField(\"$0$\", $1$_, writer);",
                      GetFieldName(descriptor_), name());
  }
  
  }  // namespace csharp
  }  // namespace compiler
  }  // namespace protobuf
  }  // namespace google
  