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|
package json
import (
"fmt"
"go.neonxp.ru/json/internal/lexer"
)
type JSON struct {
Factory NodeFactory
}
func (j *JSON) Unmarshal(input string) (Node, error) {
lex := lexer.NewLexer(input)
go lex.Run(lexer.InitJson)
return j.parse(lex.Output)
}
func (j *JSON) MustUnmarshal(input string) Node {
n, err := j.Unmarshal(input)
if err != nil {
panic(err)
}
return n
}
func (j *JSON) Marshal(n Node) string {
return n.String()
}
func (j *JSON) Node(value any) (Node, error) {
switch value := value.(type) {
case string:
n, err := j.Factory(StringType)
if err != nil {
return nil, err
}
n.(StringNode).SetString(value)
return n, nil
case float64:
n, err := j.Factory(NumberType)
if err != nil {
return nil, err
}
n.(NumberNode).SetNumber(value)
return n, nil
case int:
n, err := j.Factory(NumberType)
if err != nil {
return nil, err
}
n.(NumberNode).SetNumber(float64(value))
return n, nil
case bool:
n, err := j.Factory(BooleanType)
if err != nil {
return nil, err
}
n.(BooleanNode).SetBool(value)
return n, nil
case nil:
return j.Factory(NullType)
case map[string]Node:
n, err := j.Factory(ObjectType)
if err != nil {
return nil, err
}
on := n.(ObjectNode)
for k, v := range value {
on.SetKeyValue(k, v)
}
return on, nil
case []Node:
n, err := j.Factory(ArrayType)
if err != nil {
return nil, err
}
an := n.(ArrayNode)
for _, v := range value {
an.Append(v)
}
return an, nil
default:
return nil, fmt.Errorf("invalid type %t", value)
}
}
func (j *JSON) MustNode(value any) Node {
n, err := j.Node(value)
if err != nil {
panic(err)
}
return n
}
func New(factory NodeFactory) *JSON {
return &JSON{
Factory: factory,
}
}
|
