68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
// 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 DORIS_BE_SRC_UTIL_JSON_UTIL_H
|
|
#define DORIS_BE_SRC_UTIL_JSON_UTIL_H
|
|
|
|
#include <string>
|
|
|
|
#include <rapidjson/rapidjson.h>
|
|
#include <rapidjson/document.h>
|
|
|
|
#include "common/status.h"
|
|
#include "util/pretty_printer.h"
|
|
#include "util/template_util.h"
|
|
|
|
namespace doris {
|
|
|
|
/// ToJsonValue() converts 'value' into a rapidjson::Value in 'out_val'. The type of
|
|
/// 'out_val' depends on the value of 'type'. If type != TUnit::NONE and 'value' is
|
|
/// numeric, 'value' will be set to a string which is the pretty-printed representation of
|
|
/// 'value' (e.g. conversion to MB etc). Otherwise the value is directly copied into
|
|
/// 'out_val'.
|
|
template <typename T>
|
|
ENABLE_IF_NOT_ARITHMETIC(T, void)
|
|
ToJsonValue(const T& value, const TUnit::type unit, rapidjson::Document* document,
|
|
rapidjson::Value* out_val) {
|
|
*out_val = value;
|
|
}
|
|
|
|
/// Specialisation for std::string which requires explicit use of 'document's allocator to
|
|
/// copy into out_val.
|
|
template <>
|
|
void ToJsonValue<std::string>(const std::string& value, const TUnit::type unit,
|
|
rapidjson::Document* document, rapidjson::Value* out_val);
|
|
|
|
/// Does pretty-printing if 'value' is numeric, and type is not NONE, otherwise constructs
|
|
/// a json object containing 'value' as a literal.
|
|
template <typename T>
|
|
ENABLE_IF_ARITHMETIC(T, void)
|
|
ToJsonValue(const T& value, const TUnit::type unit, rapidjson::Document* document,
|
|
rapidjson::Value* out_val) {
|
|
if (unit != TUnit::NONE) {
|
|
const std::string& s = PrettyPrinter::print(value, unit);
|
|
ToJsonValue(s, unit, document, out_val);
|
|
} else {
|
|
*out_val = value;
|
|
}
|
|
}
|
|
|
|
std::string to_json(const Status& status);
|
|
}
|
|
|
|
#endif
|