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using System;
using System.Collections.Generic;
using System.Text;
using Google.ProtocolBuffers.Descriptors;
namespace Google.ProtocolBuffers.ProtoGen {
internal class RepeatedMessageFieldGenerator : FieldGeneratorBase, IFieldSourceGenerator {
internal RepeatedMessageFieldGenerator(FieldDescriptor descriptor)
: base(descriptor) {
}
public void GenerateMembers(TextGenerator writer) {
writer.WriteLine("private pbc::PopsicleList<{0}> {1}_ = new pbc::PopsicleList<{0}>();", TypeName, Name);
writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
writer.WriteLine(" get {{ return {0}_; }}", Name);
writer.WriteLine("}");
// TODO(jonskeet): Redundant API calls? Possibly - include for portability though. Maybe create an option.
writer.WriteLine("public int {0}Count {{", CapitalizedName);
writer.WriteLine(" get {{ return {0}_.Count; }}", Name);
writer.WriteLine("}");
writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
writer.WriteLine(" return {0}_[index];", Name);
writer.WriteLine("}");
}
public void GenerateBuilderMembers(TextGenerator writer) {
// Note: We can return the original list here, because we make it unmodifiable when we build
writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
writer.WriteLine(" get {{ return result.{0}_; }}", Name);
writer.WriteLine("}");
writer.WriteLine("public int {0}Count {{", CapitalizedName);
writer.WriteLine(" get {{ return result.{0}Count; }}", CapitalizedName);
writer.WriteLine("}");
writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
writer.WriteLine(" return result.Get{0}(index);", CapitalizedName);
writer.WriteLine("}");
writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", CapitalizedName, TypeName);
writer.WriteLine(" result.{0}_[index] = value;", Name);
writer.WriteLine(" return this;");
writer.WriteLine("}");
// Extra overload for builder (just on messages)
writer.WriteLine("public Builder Set{0}(int index, {1}.Builder builderForValue) {{", CapitalizedName, TypeName);
writer.WriteLine(" result.{0}_[index] = builderForValue.Build();", Name);
writer.WriteLine(" return this;");
writer.WriteLine("}");
writer.WriteLine("public Builder Add{0}({1} value) {{", CapitalizedName, TypeName);
writer.WriteLine(" result.{0}_.Add(value);", Name, TypeName);
writer.WriteLine(" return this;");
writer.WriteLine("}");
// Extra overload for builder (just on messages)
writer.WriteLine("public Builder Add{0}({1}.Builder builderForValue) {{", CapitalizedName, TypeName);
writer.WriteLine(" result.{0}_.Add(builderForValue.Build());", Name);
writer.WriteLine(" return this;");
writer.WriteLine("}");
writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", CapitalizedName, TypeName);
writer.WriteLine(" base.AddRange(values, result.{0}_);", Name);
writer.WriteLine(" return this;");
writer.WriteLine("}");
writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
writer.WriteLine(" result.{0}_.Clear();", Name);
writer.WriteLine(" return this;");
writer.WriteLine("}");
}
public void GenerateMergingCode(TextGenerator writer) {
writer.WriteLine("if (other.{0}_.Count != 0) {{", Name);
writer.WriteLine(" base.AddRange(other.{0}_, result.{0}_);", Name);
writer.WriteLine("}");
}
public void GenerateBuildingCode(TextGenerator writer) {
writer.WriteLine("result.{0}_.MakeReadOnly();", Name);
}
public void GenerateParsingCode(TextGenerator writer) {
writer.WriteLine("{0}.Builder subBuilder = {0}.CreateBuilder();", TypeName);
if (Descriptor.FieldType == FieldType.Group) {
writer.WriteLine("input.ReadGroup({0}, subBuilder, extensionRegistry);", Number);
} else {
writer.WriteLine("input.ReadMessage(subBuilder, extensionRegistry);");
}
writer.WriteLine("Add{0}(subBuilder.BuildPartial());", CapitalizedName);
}
public void GenerateSerializationCode(TextGenerator writer) {
writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
writer.WriteLine(" output.Write{0}({1}, element);", MessageOrGroup, Number);
writer.WriteLine("}");
}
public void GenerateSerializedSizeCode(TextGenerator writer) {
writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
writer.WriteLine(" size += pb::CodedOutputStream.Compute{0}Size({1}, element);", MessageOrGroup, Number);
writer.WriteLine("}");
}
}
}
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