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|
package json
import (
"errors"
. "github.com/vektah/goparsify"
)
var (
value Parser
_array = Map(And("[", Kleene(&value, ","), "]"), func(n Node) Node {
ret := []interface{}{}
for _, child := range n.Children[1].Children {
ret = append(ret, child.Result)
}
return Node{Result: ret}
})
properties = Kleene(And(String(`"`), ":", &value), ",")
_object = Map(And("{", properties, "}"), func(n Node) Node {
ret := map[string]interface{}{}
for _, prop := range n.Children[1].Children {
ret[prop.Children[0].Token] = prop.Children[2].Result
}
return Node{Result: ret}
})
_null = Bind("null", nil)
_true = Bind("true", true)
_false = Bind("false", false)
_string = Map(String(`"`), func(n Node) Node {
return Node{Result: n.Token}
})
)
func init() {
value = Any(_null, _true, _false, _string, _array, _object)
}
func Unmarshal(input string) (interface{}, error) {
result, remaining, err := ParseString(value, input)
if err != nil {
return result, err
}
if remaining != "" {
return result, errors.New("left unparsed: " + remaining)
}
return result, err
}
|
