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- // 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.
- // Author: jasonh@google.com (Jason Hsueh)
- //
- // This header is logically internal, but is made public because it is used
- // from protocol-compiler-generated code, which may reside in other components.
- // It provides reflection support for generated enums, and is included in
- // generated .pb.h files and should have minimal dependencies. The methods are
- // implemented in generated_message_reflection.cc.
- #ifndef GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
- #define GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
- #include <string>
- #include <google/protobuf/stubs/template_util.h>
- namespace google {
- namespace protobuf {
- class EnumDescriptor;
- } // namespace protobuf
- namespace protobuf {
- // This type trait can be used to cause templates to only match proto2 enum
- // types.
- template <typename T> struct is_proto_enum : ::google::protobuf::internal::false_type {};
- // Returns the EnumDescriptor for enum type E, which must be a
- // proto-declared enum type. Code generated by the protocol compiler
- // will include specializations of this template for each enum type declared.
- template <typename E>
- const EnumDescriptor* GetEnumDescriptor();
- namespace internal {
- // Helper for EnumType_Parse functions: try to parse the string 'name' as an
- // enum name of the given type, returning true and filling in value on success,
- // or returning false and leaving value unchanged on failure.
- LIBPROTOBUF_EXPORT bool ParseNamedEnum(const EnumDescriptor* descriptor,
- const string& name,
- int* value);
- template<typename EnumType>
- bool ParseNamedEnum(const EnumDescriptor* descriptor,
- const string& name,
- EnumType* value) {
- int tmp;
- if (!ParseNamedEnum(descriptor, name, &tmp)) return false;
- *value = static_cast<EnumType>(tmp);
- return true;
- }
- // Just a wrapper around printing the name of a value. The main point of this
- // function is not to be inlined, so that you can do this without including
- // descriptor.h.
- LIBPROTOBUF_EXPORT const string& NameOfEnum(const EnumDescriptor* descriptor, int value);
- } // namespace internal
- } // namespace protobuf
- } // namespace google
- #endif // GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
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