gopherjs - json/decode.go

     1  package json // import "vimagination.zapto.org/gopherjs/json"
     2  
     3  import (
     4  	"errors"
     5  
     6  	"github.com/gopherjs/gopherjs/js"
     7  )
     8  
     9  func Unmarshal(data []byte, v interface{}) error {
    10  	return UnmarshalString(string(data), v)
    11  }
    12  
    13  func UnmarshalString(data string, v interface{}) (err error) {
    14  	defer func() {
    15  		if e := recover(); e != nil {
    16  			if er, ok := e.(*js.Error); ok && er != nil {
    17  				err = er
    18  			}
    19  		}
    20  	}()
    21  	io := js.InternalObject(v)
    22  	if io.Get("constructor").Get("kind").Int() != ptrKind { // necessary???
    23  		return ErrPointerRequired
    24  	}
    25  
    26  	parsed := js.Global.Get("JSON").Call("parse", data)
    27  	unjsonify(io, parsed)
    28  	return nil
    29  }
    30  
    31  func unjsonify(v, parsed *js.Object) {
    32  	t := v.Get("constructor")
    33  	v, t = unwrap(v, t)
    34  }
    35  
    36  // Errors
    37  var (
    38  	ErrPointerRequired = errors.New("pointer required")
    39  )