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detect remaining bytes

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This commit is contained in:
Tao Wen 2018-02-22 10:37:32 +08:00
parent a3fdd37b9a
commit be70f29b04
3 changed files with 19 additions and 27 deletions
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9
adapter.go
View File

@ -16,15 +16,6 @@ func Unmarshal(data []byte, v interface{}) error {
return ConfigDefault.Unmarshal(data, v)
}
func lastNotSpacePos(data []byte) int {
for i := len(data) - 1; i >= 0; i-- {
if data[i] != ' ' && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
return i + 1
}
}
return 0
}
// UnmarshalFromString convenient method to read from string instead of []byte
func UnmarshalFromString(str string, v interface{}) error {
return ConfigDefault.UnmarshalFromString(str, v)

20
config.go
View File

@ -249,19 +249,17 @@ func (cfg *frozenConfig) MarshalIndent(v interface{}, prefix, indent string) ([]
func (cfg *frozenConfig) UnmarshalFromString(str string, v interface{}) error {
data := []byte(str)
data = data[:lastNotSpacePos(data)]
iter := cfg.BorrowIterator(data)
defer cfg.ReturnIterator(iter)
iter.ReadVal(v)
if iter.head == iter.tail {
iter.loadMore()
}
c := iter.nextToken()
if c == 0 {
if iter.Error == io.EOF {
return nil
}
if iter.Error == nil {
iter.ReportError("UnmarshalFromString", "there are bytes left after unmarshal")
return iter.Error
}
iter.ReportError("Unmarshal", "there are bytes left after unmarshal")
return iter.Error
}
@ -272,19 +270,17 @@ func (cfg *frozenConfig) Get(data []byte, path ...interface{}) Any {
}
func (cfg *frozenConfig) Unmarshal(data []byte, v interface{}) error {
data = data[:lastNotSpacePos(data)]
iter := cfg.BorrowIterator(data)
defer cfg.ReturnIterator(iter)
iter.ReadVal(v)
if iter.head == iter.tail {
iter.loadMore()
}
c := iter.nextToken()
if c == 0 {
if iter.Error == io.EOF {
return nil
}
if iter.Error == nil {
iter.ReportError("Unmarshal", "there are bytes left after unmarshal")
return iter.Error
}
iter.ReportError("Unmarshal", "there are bytes left after unmarshal")
return iter.Error
}

5
value_tests/struct_test.go
View File

@ -16,6 +16,11 @@ func init() {
Field interface{}
})(nil),
input: `{"Field": "hello"}`,
}, unmarshalCase{
ptr: (*struct {
Field interface{}
})(nil),
input: `{"Field": "hello"} `,
}, unmarshalCase{
ptr: (*struct {
Field int `json:"field"`