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author | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
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committer | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
commit | 40ee551715c3a784ea6132dbf604b0e665ca2def (patch) | |
tree | 6e3ea9674be5b0f59106f88f3afa1313854beebf /src/google/protobuf/compiler/java/java_enum.h | |
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Initial checkin.
Diffstat (limited to 'src/google/protobuf/compiler/java/java_enum.h')
-rw-r--r-- | src/google/protobuf/compiler/java/java_enum.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/java/java_enum.h b/src/google/protobuf/compiler/java/java_enum.h new file mode 100644 index 00000000..f0a16036 --- /dev/null +++ b/src/google/protobuf/compiler/java/java_enum.h @@ -0,0 +1,70 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_H__ +#define GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_H__ + +#include <string> +#include <vector> +#include <google/protobuf/descriptor.h> + +namespace google { +namespace protobuf { + namespace io { + class Printer; // printer.h + } +} + +namespace protobuf { +namespace compiler { +namespace java { + +class EnumGenerator { + public: + explicit EnumGenerator(const EnumDescriptor* descriptor); + ~EnumGenerator(); + + void Generate(io::Printer* printer); + + private: + const EnumDescriptor* descriptor_; + + // The proto language allows multiple enum constants to have the same numeric + // value. Java, however, does not allow multiple enum constants to be + // considered equivalent. We treat the first defined constant for any + // given numeric value as "canonical" and the rest as aliases of that + // canonical value. + vector<const EnumValueDescriptor*> canonical_values_; + + struct Alias { + const EnumValueDescriptor* value; + const EnumValueDescriptor* canonical_value; + }; + vector<Alias> aliases_; + + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumGenerator); +}; + +} // namespace java +} // namespace compiler +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_H__ |