json_filter/implement/gjson_read.go
2025-05-06 14:43:22 +08:00

135 lines
3.3 KiB
Go

// Package implement ...
//
// Description : implement ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2025-05-06 11:00
package implement
import (
"errors"
"git.zhangdeman.cn/zhangdeman/consts"
"git.zhangdeman.cn/zhangdeman/json_filter/abstract"
"git.zhangdeman.cn/zhangdeman/json_filter/gjson_hack"
"git.zhangdeman.cn/zhangdeman/serialize"
"github.com/tidwall/gjson"
)
// NewGjsonRead ...
func NewGjsonRead(sourceData string) abstract.IJsonRead {
return &gjsonRead{
sourceData: sourceData,
gjsonResult: gjson.Parse(sourceData),
}
}
type gjsonRead struct {
sourceData string
gjsonResult gjson.Result
}
func (g *gjsonRead) Exist(dataPath string) bool {
return g.gjsonResult.Get(dataPath).Exists()
}
func (g *gjsonRead) IsNil(dataPath string) bool {
return g.gjsonResult.Get(dataPath).Value() == nil
}
func (g *gjsonRead) Type(dataPath string) string {
pathRes := g.gjsonResult.Get(dataPath)
if pathRes.IsObject() { // map
return consts.DataTypeMapStrAny.String()
}
if pathRes.IsArray() { // slice
return consts.DataTypeSliceAny.String()
}
if pathRes.IsBool() { // bool
return consts.DataTypeBool.String()
}
dataType := pathRes.Type
switch dataType {
case gjson.String:
return consts.DataTypeString.String()
case gjson.Number:
return consts.DataTypeFloat64.String()
case gjson.Null:
return consts.DataTypeAny.String()
case gjson.True, gjson.False:
return consts.DataTypeBool.String()
}
return consts.DataTypeAny.String() // any类型兜底
}
func (g *gjsonRead) Int(dataPath string) (int64, error) {
return gjson_hack.Int(g.gjsonResult.Get(dataPath))
}
func (g *gjsonRead) Uint(dataPath string) (uint64, error) {
return gjson_hack.Uint(g.gjsonResult.Get(dataPath))
}
func (g *gjsonRead) Float(dataPath string) (float64, error) {
return gjson_hack.Float64(g.gjsonResult.Get(dataPath))
}
func (g *gjsonRead) Bool(dataPath string) (bool, error) {
res := g.gjsonResult.Get(dataPath)
if !res.IsBool() {
return false, errors.New(dataPath + ": is not a bool")
}
return res.Bool(), nil
}
func (g *gjsonRead) String(dataPath string) (string, error) {
if !g.Exist(dataPath) {
return "", errors.New(dataPath + ": not found")
}
return g.gjsonResult.Get(dataPath).String(), nil
}
func (g *gjsonRead) Map(dataPath string) (map[string]any, error) {
var (
err error
dataMap map[string]any
)
if err = g.MapWithReceiver(dataPath, &dataMap); nil != err {
return map[string]any{}, err
}
return dataMap, nil
}
func (g *gjsonRead) MapWithReceiver(dataPath string, receiver any) error {
strVal, err := g.String(dataPath)
if nil != err {
return err
}
return serialize.JSON.UnmarshalWithNumber([]byte(strVal), receiver)
}
func (g *gjsonRead) Array(dataPath string) ([]any, error) {
var (
err error
dataArr []any
)
if err = g.ArrayWithReceiver(dataPath, &dataArr); nil != err {
return []any{}, err
}
return dataArr, nil
}
func (g *gjsonRead) ArrayWithReceiver(dataPath string, receiver any) error {
strVal, err := g.String(dataPath)
if nil != err {
return err
}
return serialize.JSON.UnmarshalWithNumber([]byte(strVal), receiver)
}
func (g *gjsonRead) Value(dataPath string, dataType string, defaultValue any) (any, error) {
if len(dataType) == 0 {
dataType = g.Type(dataPath)
}
return gjson_hack.Value(consts.DataType(dataType), g.gjsonResult.Get(dataPath), defaultValue)
}