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using System;
using System.Collections.Generic;
using System.Text;
using Google.ProtocolBuffers.Descriptors;
namespace Google.ProtocolBuffers.ProtoGen {
internal class EnumFieldGenerator : FieldGeneratorBase, IFieldSourceGenerator {
internal EnumFieldGenerator(FieldDescriptor descriptor)
: base(descriptor) {
}
public void GenerateMembers(TextGenerator writer) {
writer.WriteLine("private bool has{0};", CapitalizedName);
writer.WriteLine("private {0} {1}_ = {2};", TypeName, Name, DefaultValue);
writer.WriteLine("public bool Has{0} {{", CapitalizedName);
writer.WriteLine(" get {{ return has{0}; }}", CapitalizedName);
writer.WriteLine("}");
writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
writer.WriteLine(" get {{ return {0}_; }}", Name);
writer.WriteLine("}");
}
public void GenerateBuilderMembers(TextGenerator writer) {
writer.WriteLine("public bool Has{0} {{", CapitalizedName);
writer.WriteLine(" get {{ return result.Has{0}; }}", CapitalizedName);
writer.WriteLine("}");
writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
writer.WriteLine(" get {{ return result.{0}; }}", PropertyName);
writer.WriteLine(" set {{ Set{0}(value); }}", CapitalizedName);
writer.WriteLine("}");
writer.WriteLine("public Builder Set{0}({1} value) {{", CapitalizedName, TypeName);
writer.WriteLine(" result.has{0} = true;", CapitalizedName);
writer.WriteLine(" result.{0}_ = value;", Name);
writer.WriteLine(" return this;");
writer.WriteLine("}");
writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
writer.WriteLine(" result.has{0} = false;", CapitalizedName);
writer.WriteLine(" result.{0}_ = {1};", Name, DefaultValue);
writer.WriteLine(" return this;");
writer.WriteLine("}");
}
public void GenerateMergingCode(TextGenerator writer) {
writer.WriteLine("if (other.Has{0}) {{", CapitalizedName);
writer.WriteLine(" {0} = other.{0};", PropertyName);
writer.WriteLine("}");
}
public void GenerateBuildingCode(TextGenerator writer) {
// Nothing to do here for enum types
}
public void GenerateParsingCode(TextGenerator writer) {
// TODO(jonskeet): Make a more efficient way of doing this
writer.WriteLine("int rawValue = input.ReadEnum();");
writer.WriteLine("if (!global::System.Enum.IsDefined(typeof({0}), rawValue)) {{", TypeName);
writer.WriteLine(" unknownFields.MergeVarintField({0}, (ulong) rawValue);", Number);
writer.WriteLine("} else {");
writer.WriteLine(" {0} = ({1}) rawValue;", PropertyName, TypeName);
writer.WriteLine("}");
}
public void GenerateSerializationCode(TextGenerator writer) {
writer.WriteLine("if (Has{0}) {{", CapitalizedName);
writer.WriteLine(" output.WriteEnum({0}, (int) {1});", Number, PropertyName);
writer.WriteLine("}");
}
public void GenerateSerializedSizeCode(TextGenerator writer) {
writer.WriteLine("if (Has{0}) {{", CapitalizedName);
writer.WriteLine(" size += pb::CodedOutputStream.ComputeEnumSize({0}, (int) {1});", Number, PropertyName);
writer.WriteLine("}");
}
}
}
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