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feature: add StringToBasicTypeHookFunc and support complex #13

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merged 2 commits into from
Feb 26, 2024
Merged

feature: add StringToBasicTypeHookFunc and support complex #13

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bec4b05
feat: add StringToBasicTypesHookFunc
tlipoca9 Feb 24, 2024
231f31b
feat: add decodeComplex
tlipoca9 Feb 24, 2024
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243 changes: 243 additions & 0 deletions decode_hooks.go
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Original file line number Diff line number Diff line change
Expand Up @@ -332,3 +332,246 @@ func StringToNetIPAddrPortHookFunc() DecodeHookFunc {
return netip.ParseAddrPort(data.(string))
}
}

// StringToBasicTypeHookFunc returns a DecodeHookFunc that converts
// strings to basic types.
// int8, uint8, int16, uint16, int32, uint32, int64, uint64, int, uint, float32, float64, bool, byte, rune, complex64, complex128
func StringToBasicTypeHookFunc() DecodeHookFunc {
return ComposeDecodeHookFunc(
StringToInt8HookFunc(),
StringToUint8HookFunc(),
StringToInt16HookFunc(),
StringToUint16HookFunc(),
StringToInt32HookFunc(),
StringToUint32HookFunc(),
StringToInt64HookFunc(),
StringToUint64HookFunc(),
StringToIntHookFunc(),
StringToUintHookFunc(),
StringToFloat32HookFunc(),
StringToFloat64HookFunc(),
StringToBoolHookFunc(),
// byte and rune are aliases for uint8 and int32 respectively
// StringToByteHookFunc(),
// StringToRuneHookFunc(),
StringToComplex64HookFunc(),
StringToComplex128HookFunc(),
)
}

// StringToInt8HookFunc returns a DecodeHookFunc that converts
// strings to int8.
func StringToInt8HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Int8 {
return data, nil
}

// Convert it by parsing
i64, err := strconv.ParseInt(data.(string), 0, 8)
return int8(i64), err
}
}

// StringToUint8HookFunc returns a DecodeHookFunc that converts
// strings to uint8.
func StringToUint8HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Uint8 {
return data, nil
}

// Convert it by parsing
u64, err := strconv.ParseUint(data.(string), 0, 8)
return uint8(u64), err
}
}

// StringToInt16HookFunc returns a DecodeHookFunc that converts
// strings to int16.
func StringToInt16HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Int16 {
return data, nil
}

// Convert it by parsing
i64, err := strconv.ParseInt(data.(string), 0, 16)
return int16(i64), err
}
}

// StringToUint16HookFunc returns a DecodeHookFunc that converts
// strings to uint16.
func StringToUint16HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Uint16 {
return data, nil
}

// Convert it by parsing
u64, err := strconv.ParseUint(data.(string), 0, 16)
return uint16(u64), err
}
}

// StringToInt32HookFunc returns a DecodeHookFunc that converts
// strings to int32.
func StringToInt32HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Int32 {
return data, nil
}

// Convert it by parsing
i64, err := strconv.ParseInt(data.(string), 0, 32)
return int32(i64), err
}
}

// StringToUint32HookFunc returns a DecodeHookFunc that converts
// strings to uint32.
func StringToUint32HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Uint32 {
return data, nil
}

// Convert it by parsing
u64, err := strconv.ParseUint(data.(string), 0, 32)
return uint32(u64), err
}
}

// StringToInt64HookFunc returns a DecodeHookFunc that converts
// strings to int64.
func StringToInt64HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Int64 {
return data, nil
}

// Convert it by parsing
return strconv.ParseInt(data.(string), 0, 64)
}
}

// StringToUint64HookFunc returns a DecodeHookFunc that converts
// strings to uint64.
func StringToUint64HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Uint64 {
return data, nil
}

// Convert it by parsing
return strconv.ParseUint(data.(string), 0, 64)
}
}

// StringToIntHookFunc returns a DecodeHookFunc that converts
// strings to int.
func StringToIntHookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Int {
return data, nil
}

// Convert it by parsing
i64, err := strconv.ParseInt(data.(string), 0, 0)
return int(i64), err
}
}

// StringToUintHookFunc returns a DecodeHookFunc that converts
// strings to uint.
func StringToUintHookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Uint {
return data, nil
}

// Convert it by parsing
u64, err := strconv.ParseUint(data.(string), 0, 0)
return uint(u64), err
}
}

// StringToFloat32HookFunc returns a DecodeHookFunc that converts
// strings to float32.
func StringToFloat32HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Float32 {
return data, nil
}

// Convert it by parsing
f64, err := strconv.ParseFloat(data.(string), 32)
return float32(f64), err
}
}

// StringToFloat64HookFunc returns a DecodeHookFunc that converts
// strings to float64.
func StringToFloat64HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Float64 {
return data, nil
}

// Convert it by parsing
return strconv.ParseFloat(data.(string), 64)
}
}

// StringToBoolHookFunc returns a DecodeHookFunc that converts
// strings to bool.
func StringToBoolHookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Bool {
return data, nil
}

// Convert it by parsing
return strconv.ParseBool(data.(string))
}
}

// StringToByteHookFunc returns a DecodeHookFunc that converts
// strings to byte.
func StringToByteHookFunc() DecodeHookFunc {
return StringToUint8HookFunc()
}

// StringToRuneHookFunc returns a DecodeHookFunc that converts
// strings to rune.
func StringToRuneHookFunc() DecodeHookFunc {
return StringToInt32HookFunc()
}

// StringToComplex64HookFunc returns a DecodeHookFunc that converts
// strings to complex64.
func StringToComplex64HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Complex64 {
return data, nil
}

// Convert it by parsing
c128, err := strconv.ParseComplex(data.(string), 64)
return complex64(c128), err
}
}

// StringToComplex128HookFunc returns a DecodeHookFunc that converts
// strings to complex128.
func StringToComplex128HookFunc() DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String || t.Kind() != reflect.Complex128 {
return data, nil
}

// Convert it by parsing
return strconv.ParseComplex(data.(string), 128)
}
}
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