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handles json.number #115

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handles json.number #115

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87 changes: 87 additions & 0 deletions caste.go
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,12 @@ func ToFloat64E(i interface{}) (float64, error) {
return float64(s), nil
case uint8:
return float64(s), nil
case json.Number:
v, err := s.Float64()
if err == nil {
return v, nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to float64", i, i)
case string:
v, err := strconv.ParseFloat(s, 64)
if err == nil {
Expand Down Expand Up @@ -165,6 +171,12 @@ func ToFloat32E(i interface{}) (float32, error) {
return float32(s), nil
case uint8:
return float32(s), nil
case json.Number:
v, err := s.Float64()
if err == nil {
return float32(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to float32", i, i)
case string:
v, err := strconv.ParseFloat(s, 32)
if err == nil {
Expand Down Expand Up @@ -210,6 +222,12 @@ func ToInt64E(i interface{}) (int64, error) {
return int64(s), nil
case float32:
return int64(s), nil
case json.Number:
v, err := s.Int64()
if err == nil {
return v, nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i)
case string:
v, err := strconv.ParseInt(s, 0, 0)
if err == nil {
Expand Down Expand Up @@ -257,6 +275,12 @@ func ToInt32E(i interface{}) (int32, error) {
return int32(s), nil
case float32:
return int32(s), nil
case json.Number:
v, err := s.Int64()
if err == nil {
return int32(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to int32", i, i)
case string:
v, err := strconv.ParseInt(s, 0, 0)
if err == nil {
Expand Down Expand Up @@ -304,6 +328,12 @@ func ToInt16E(i interface{}) (int16, error) {
return int16(s), nil
case float32:
return int16(s), nil
case json.Number:
v, err := s.Int64()
if err == nil {
return int16(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to int16", i, i)
case string:
v, err := strconv.ParseInt(s, 0, 0)
if err == nil {
Expand Down Expand Up @@ -351,6 +381,12 @@ func ToInt8E(i interface{}) (int8, error) {
return int8(s), nil
case float32:
return int8(s), nil
case json.Number:
v, err := s.Int64()
if err == nil {
return int8(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to int8", i, i)
case string:
v, err := strconv.ParseInt(s, 0, 0)
if err == nil {
Expand Down Expand Up @@ -398,6 +434,12 @@ func ToIntE(i interface{}) (int, error) {
return int(s), nil
case float32:
return int(s), nil
case json.Number:
v, err := s.Int64()
if err == nil {
return int(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to int", i, i)
case string:
v, err := strconv.ParseInt(s, 0, 0)
if err == nil {
Expand Down Expand Up @@ -427,6 +469,15 @@ func ToUintE(i interface{}) (uint, error) {
return uint(v), nil
}
return 0, fmt.Errorf("unable to cast %#v to uint: %s", i, err)
case json.Number:
v, err := s.Int64()
if err == nil {
if v < 0 {
return 0, errNegativeNotAllowed
}
return uint(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to uint", i, i)
case int:
if s < 0 {
return 0, errNegativeNotAllowed
Expand Down Expand Up @@ -495,6 +546,15 @@ func ToUint64E(i interface{}) (uint64, error) {
return v, nil
}
return 0, fmt.Errorf("unable to cast %#v to uint64: %s", i, err)
case json.Number:
v, err := s.Int64()
if err == nil {
if v < 0 {
return 0, errNegativeNotAllowed
}
return uint64(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to uint64", i, i)
case int:
if s < 0 {
return 0, errNegativeNotAllowed
Expand Down Expand Up @@ -563,6 +623,15 @@ func ToUint32E(i interface{}) (uint32, error) {
return uint32(v), nil
}
return 0, fmt.Errorf("unable to cast %#v to uint32: %s", i, err)
case json.Number:
v, err := s.Int64()
if err == nil {
if v < 0 {
return 0, errNegativeNotAllowed
}
return uint32(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to uint32", i, i)
case int:
if s < 0 {
return 0, errNegativeNotAllowed
Expand Down Expand Up @@ -631,6 +700,15 @@ func ToUint16E(i interface{}) (uint16, error) {
return uint16(v), nil
}
return 0, fmt.Errorf("unable to cast %#v to uint16: %s", i, err)
case json.Number:
v, err := s.Int64()
if err == nil {
if v < 0 {
return 0, errNegativeNotAllowed
}
return uint16(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to uint16", i, i)
case int:
if s < 0 {
return 0, errNegativeNotAllowed
Expand Down Expand Up @@ -699,6 +777,15 @@ func ToUint8E(i interface{}) (uint8, error) {
return uint8(v), nil
}
return 0, fmt.Errorf("unable to cast %#v to uint8: %s", i, err)
case json.Number:
v, err := s.Int64()
if err == nil {
if v < 0 {
return 0, errNegativeNotAllowed
}
return uint8(v), nil
}
return 0, fmt.Errorf("unable to cast %#v of type %T to uint8", i, i)
case int:
if s < 0 {
return 0, errNegativeNotAllowed
Expand Down