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sonic/sonic.go
2021-05-28 23:58:58 +08:00

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2.1 KiB
Go

/*
* Copyright 2021 ByteDance 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.
*/
//go:generate make
package sonic
import (
`reflect`
`github.com/bytedance/sonic/ast`
`github.com/bytedance/sonic/decoder`
`github.com/bytedance/sonic/encoder`
)
// Marshal returns the JSON encoding of v.
func Marshal(val interface{}) ([]byte, error) {
return encoder.Encode(val)
}
// Unmarshal parses the JSON-encoded data and stores the result in the value
// pointed to by v.
func Unmarshal(buf []byte, val interface{}) error {
return UnmarshalString(string(buf), val)
}
// UnmarshalString is like Unmarshal, except buf is a string.
func UnmarshalString(buf string, val interface{}) error {
return decoder.NewDecoder(buf).Decode(val)
}
// Pretouch compiles vt ahead-of-time to avoid JIT compilation on-the-fly, in
// order to reduce the first-hit latency.
func Pretouch(vt reflect.Type) error {
if err := encoder.Pretouch(vt); err != nil {
return err
} else if err = decoder.Pretouch(vt); err != nil {
return err
} else {
return nil
}
}
// Get searches the given path json,
// and returns its representing ast.Node
//
// Each path arg must be integer or string:
// - Integer means searching current node as array,
// - String means searching current node as object
func Get(src []byte, path ...interface{}) (ast.Node, error) {
return GetFromString(string(src), path...)
}
// GetFromString is same with Get except src is string,
// which can reduce unnecessary memory copy
func GetFromString(src string, path ...interface{}) (ast.Node, error) {
return ast.NewSearcher(src).GetByPath(path...)
}