77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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// Author: jasonh@google.com (Jason Hsueh)
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//
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// This header is logically internal, but is made public because it is used
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// from protocol-compiler-generated code, which may reside in other components.
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// It provides reflection support for generated enums, and is included in
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// generated .pb.h files and should have minimal dependencies. The methods are
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// implemented in generated_message_reflection.cc.
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#ifndef GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
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#define GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
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#include <string>
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#include "absl/strings/string_view.h"
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#include "google/protobuf/generated_enum_util.h"
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#include "google/protobuf/port.h"
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#ifdef SWIG
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#error "You cannot SWIG proto headers"
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#endif
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// Must be included last.
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#include "google/protobuf/port_def.inc"
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namespace google {
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namespace protobuf {
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class EnumDescriptor;
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} // namespace protobuf
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} // namespace google
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namespace google {
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namespace protobuf {
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// Returns the EnumDescriptor for enum type E, which must be a
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// proto-declared enum type. Code generated by the protocol compiler
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// will include specializations of this template for each enum type declared.
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template <typename E>
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const EnumDescriptor* GetEnumDescriptor();
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namespace internal {
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// Helper for EnumType_Parse functions: try to parse the string 'name' as
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// an enum name of the given type, returning true and filling in value on
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// success, or returning false and leaving value unchanged on failure.
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PROTOBUF_EXPORT bool ParseNamedEnum(const EnumDescriptor* descriptor,
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absl::string_view name, int* value);
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template <typename EnumType>
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bool ParseNamedEnum(const EnumDescriptor* descriptor, absl::string_view name,
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EnumType* value) {
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int tmp;
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if (!ParseNamedEnum(descriptor, name, &tmp)) return false;
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*value = static_cast<EnumType>(tmp);
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return true;
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}
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// Just a wrapper around printing the name of a value. The main point of this
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// function is not to be inlined, so that you can do this without including
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// descriptor.h.
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PROTOBUF_EXPORT const std::string& NameOfEnum(const EnumDescriptor* descriptor,
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int value);
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} // namespace internal
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} // namespace protobuf
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} // namespace google
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#include "google/protobuf/port_undef.inc"
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#endif // GOOGLE_PROTOBUF_GENERATED_ENUM_REFLECTION_H__
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