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rocksdb/thrift/lib/cpp/util/EnumUtils.h

55 lines
1.6 KiB

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
#ifndef THRIFT_UTIL_ENUMUTILS_H_
#define THRIFT_UTIL_ENUMUTILS_H_ 1
namespace apache { namespace thrift {
namespace util {
/**
* Parses an enum name to the enum type
*/
template<typename String, typename EnumType>
bool tryParseEnum(const String& name, EnumType* out) {
return TEnumTraits<EnumType>::findValue(name.c_str(), out);
};
template<typename EnumType>
bool tryParseEnum(const char* name, EnumType* out) {
return TEnumTraits<EnumType>::findValue(name, out);
};
/**
* Returns the human-readable name for an Enum type.
*/
template<typename EnumType>
const char* enumName(EnumType value,
const char* defaultName = nullptr) {
const char* name = TEnumTraits<EnumType>::findName(value);
if (name) {
return name;
} else {
return defaultName;
}
};
}}} // apache::thrift::util
#endif // THRIFT_UTIL_ENUMUTILS_H_ 1