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205 lines
8.3 KiB
C++
205 lines
8.3 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_UTILITY_H__
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#define GOOGLE_PROTOBUF_UTIL_CONVERTER_UTILITY_H__
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <utility>
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#include <thirdparty/protobuf/stubs/common.h>
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#include <thirdparty/protobuf/stubs/logging.h>
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#include <thirdparty/protobuf/any.pb.h>
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#include <thirdparty/protobuf/type.pb.h>
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#include <thirdparty/protobuf/repeated_field.h>
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#include <thirdparty/protobuf/stubs/strutil.h>
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#include <thirdparty/protobuf/stubs/statusor.h>
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#include <thirdparty/protobuf/stubs/status.h>
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// Must be included last.
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#include <thirdparty/protobuf/port_def.inc>
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namespace google {
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namespace protobuf {
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namespace util {
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namespace converter {
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// Size of "type.googleapis.com"
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static const int64_t kTypeUrlSize = 19;
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// Finds the tech option identified by option_name. Parses the boolean value and
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// returns it.
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// When the option with the given name is not found, default_value is returned.
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PROTOBUF_EXPORT bool GetBoolOptionOrDefault(
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const RepeatedPtrField<google::protobuf::Option>& options,
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StringPiece option_name, bool default_value);
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// Returns int64 option value. If the option isn't found, returns the
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// default_value.
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PROTOBUF_EXPORT int64_t GetInt64OptionOrDefault(
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const RepeatedPtrField<google::protobuf::Option>& options,
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StringPiece option_name, int64_t default_value);
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// Returns double option value. If the option isn't found, returns the
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// default_value.
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PROTOBUF_EXPORT double GetDoubleOptionOrDefault(
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const RepeatedPtrField<google::protobuf::Option>& options,
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StringPiece option_name, double default_value);
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// Returns string option value. If the option isn't found, returns the
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// default_value.
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PROTOBUF_EXPORT std::string GetStringOptionOrDefault(
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const RepeatedPtrField<google::protobuf::Option>& options,
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StringPiece option_name, StringPiece default_value);
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// Returns a boolean value contained in Any type.
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// TODO(skarvaje): Make these utilities dealing with Any types more generic,
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// add more error checking and move to a more public/shareable location so
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// others can use.
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PROTOBUF_EXPORT bool GetBoolFromAny(const google::protobuf::Any& any);
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// Returns int64 value contained in Any type.
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PROTOBUF_EXPORT int64_t GetInt64FromAny(const google::protobuf::Any& any);
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// Returns double value contained in Any type.
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PROTOBUF_EXPORT double GetDoubleFromAny(const google::protobuf::Any& any);
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// Returns string value contained in Any type.
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PROTOBUF_EXPORT std::string GetStringFromAny(const google::protobuf::Any& any);
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// Returns the type string without the url prefix. e.g.: If the passed type is
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// 'type.googleapis.com/tech.type.Bool', the returned value is 'tech.type.Bool'.
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PROTOBUF_EXPORT const StringPiece GetTypeWithoutUrl(
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StringPiece type_url);
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// Returns the simple_type with the base type url (kTypeServiceBaseUrl)
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// prefixed.
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//
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// E.g:
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// GetFullTypeWithUrl("google.protobuf.Timestamp") returns the string
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// "type.googleapis.com/google.protobuf.Timestamp".
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PROTOBUF_EXPORT const std::string GetFullTypeWithUrl(
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StringPiece simple_type);
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// Finds and returns option identified by name and option_name within the
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// provided map. Returns nullptr if none found.
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const google::protobuf::Option* FindOptionOrNull(
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const RepeatedPtrField<google::protobuf::Option>& options,
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StringPiece option_name);
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// Finds and returns the field identified by field_name in the passed tech Type
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// object. Returns nullptr if none found.
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const google::protobuf::Field* FindFieldInTypeOrNull(
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const google::protobuf::Type* type, StringPiece field_name);
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// Similar to FindFieldInTypeOrNull, but this looks up fields with given
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// json_name.
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const google::protobuf::Field* FindJsonFieldInTypeOrNull(
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const google::protobuf::Type* type, StringPiece json_name);
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// Similar to FindFieldInTypeOrNull, but this looks up fields by number.
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const google::protobuf::Field* FindFieldInTypeByNumberOrNull(
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const google::protobuf::Type* type, int32_t number);
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// Finds and returns the EnumValue identified by enum_name in the passed tech
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// Enum object. Returns nullptr if none found.
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const google::protobuf::EnumValue* FindEnumValueByNameOrNull(
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const google::protobuf::Enum* enum_type, StringPiece enum_name);
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// Finds and returns the EnumValue identified by value in the passed tech
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// Enum object. Returns nullptr if none found.
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const google::protobuf::EnumValue* FindEnumValueByNumberOrNull(
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const google::protobuf::Enum* enum_type, int32_t value);
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// Finds and returns the EnumValue identified by enum_name without underscore in
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// the passed tech Enum object. Returns nullptr if none found.
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// For Ex. if enum_name is ACTIONANDADVENTURE it can get accepted if
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// EnumValue's name is action_and_adventure or ACTION_AND_ADVENTURE.
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const google::protobuf::EnumValue* FindEnumValueByNameWithoutUnderscoreOrNull(
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const google::protobuf::Enum* enum_type, StringPiece enum_name);
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// Converts input to camel-case and returns it.
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PROTOBUF_EXPORT std::string ToCamelCase(const StringPiece input);
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// Converts enum name string to camel-case and returns it.
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std::string EnumValueNameToLowerCamelCase(const StringPiece input);
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// Converts input to snake_case and returns it.
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PROTOBUF_EXPORT std::string ToSnakeCase(StringPiece input);
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// Returns true if type_name represents a well-known type.
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PROTOBUF_EXPORT bool IsWellKnownType(const std::string& type_name);
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// Returns true if 'bool_string' represents a valid boolean value. Only "true",
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// "false", "0" and "1" are allowed.
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PROTOBUF_EXPORT bool IsValidBoolString(StringPiece bool_string);
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// Returns true if "field" is a protobuf map field based on its type.
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PROTOBUF_EXPORT bool IsMap(const google::protobuf::Field& field,
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const google::protobuf::Type& type);
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// Returns true if the given type has special MessageSet wire format.
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bool IsMessageSetWireFormat(const google::protobuf::Type& type);
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// Infinity/NaN-aware conversion to string.
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PROTOBUF_EXPORT std::string DoubleAsString(double value);
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PROTOBUF_EXPORT std::string FloatAsString(float value);
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// Convert from int32, int64, uint32, uint64, double or float to string.
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template <typename T>
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std::string ValueAsString(T value) {
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return StrCat(value);
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}
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template <>
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inline std::string ValueAsString(float value) {
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return FloatAsString(value);
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}
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template <>
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inline std::string ValueAsString(double value) {
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return DoubleAsString(value);
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}
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// Converts a string to float. Unlike safe_strtof, conversion will fail if the
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// value fits into double but not float (e.g., DBL_MAX).
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PROTOBUF_EXPORT bool SafeStrToFloat(StringPiece str, float* value);
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} // namespace converter
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} // namespace util
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} // namespace protobuf
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} // namespace google
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#include <thirdparty/protobuf/port_undef.inc>
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#endif // GOOGLE_PROTOBUF_UTIL_CONVERTER_UTILITY_H__
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