YugabyteDB (2.13.1.0-b60, 21121d69985fbf76aa6958d8f04a9bfa936293b5)

// 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.

//

// The following only applies to changes made to this file as part of YugaByte development.

//

// Portions Copyright (c) YugaByte, Inc.

//

// Licensed 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.

//

#include "yb/util/jsonreader.h"

#include "yb/gutil/strings/substitute.h"

#include <rapidjson/error/en.h>

#include "yb/util/status.h"

using rapidjson::Value;

using std::string;

using std::vector;

using strings::Substitute;

namespace yb {

JsonReader::JsonReader(string text) : text_(std::move(text)) {}

JsonReader::~JsonReader() {

}

Status JsonReader::Init() {

  document_.Parse<0>(text_.c_str());

  if (document_.HasParseError()) {

    return STATUS(Corruption, "JSON text is corrupt",

        rapidjson::GetParseError_En(document_.GetParseError()));

  }

  return Status::OK();

}

Status JsonReader::ExtractBool(const Value* object,

                               const char* field,

                               bool* result) const {

  const Value* val;

  RETURN_NOT_OK(ExtractField(object, field, &val));

  if (PREDICT_FALSE(!val->IsBool())) {

    return STATUS(InvalidArgument, Substitute(

        "Wrong type during field extraction: expected bool but got $0",

        val->GetType()));

  }

  *result = val->GetBool();

  return Status::OK();

}

Status JsonReader::ExtractInt32(const Value* object,

                                const char* field,

                                int32_t* result) const {

  const Value* val;

  RETURN_NOT_OK(ExtractField(object, field, &val));

  if (PREDICT_FALSE(!val->IsInt())) {

    return STATUS(InvalidArgument, Substitute(

        "Wrong type during field extraction: expected int32 but got $0",

        val->GetType()));

  }

  *result = val->GetUint();

  return Status::OK();

}

Status JsonReader::ExtractInt64(const Value* object,

                                const char* field,

                                int64_t* result) const {

  const Value* val;

  RETURN_NOT_OK(ExtractField(object, field, &val));

  if (PREDICT_FALSE(!val->IsInt64())) {

    return STATUS(InvalidArgument, Substitute(

        "Wrong type during field extraction: expected int64 but got $0",

        val->GetType()));  }

  *result = val->GetUint64();

  return Status::OK();

}

Status JsonReader::ExtractString(const Value* object,

                                 const char* field,

                                 string* result) const {

  const Value* val;

  RETURN_NOT_OK(ExtractField(object, field, &val));

  if (PREDICT_FALSE(!val->IsString())) {

    if (val->IsNull()) {

      *result = "";

      return Status::OK();

    }

    return STATUS(InvalidArgument, Substitute(

        "Wrong type during field extraction: expected string but got $0",

        val->GetType()));  }

  result->assign(val->GetString());

  return Status::OK();

}

Status JsonReader::ExtractObject(const Value* object,

                                 const char* field,

                                 const Value** result) const {

  const Value* val;

  RETURN_NOT_OK(ExtractField(object, field, &val));

  if (PREDICT_FALSE(!val->IsObject())) {

    return STATUS(InvalidArgument, Substitute(

        "Wrong type during field extraction: expected object but got $0",

        val->GetType()));  }

  *result = val;

  return Status::OK();

}

Status JsonReader::ExtractObjectArray(const Value* object,

                                      const char* field,

                                      vector<const Value*>* result) const {

  const Value* val;

  RETURN_NOT_OK(ExtractField(object, field, &val));

  if (PREDICT_FALSE(!val->IsArray())) {

    return STATUS(InvalidArgument, Substitute(

        "Wrong type during field extraction: expected object array but got $0",

        val->GetType()));  }

  
for (Value::ConstValueIterator iter = val->Begin(); 1.14k
iter != val->End(); 
++iter23.5k
) {

    result->push_back(iter);

  }

  return Status::OK();

}

Status JsonReader::ExtractField(const Value* object,

                                const char* field,

                                const Value** result) const {

  if (field && 
PREDICT_FALSE26.2k
(!object->HasMember(field))) {

    return STATUS(NotFound, "Missing field", field);

  }

  *result = field ? 
&(*object)[field]26.2k
 : 
object583
;

  return Status::OK();

}

} // namespace yb