diff options
Diffstat (limited to 'vendor/golang.org/x/text/internal/language/language.go')
| -rw-r--r-- | vendor/golang.org/x/text/internal/language/language.go | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/vendor/golang.org/x/text/internal/language/language.go b/vendor/golang.org/x/text/internal/language/language.go index f41aedcfc..6105bc7fa 100644 --- a/vendor/golang.org/x/text/internal/language/language.go +++ b/vendor/golang.org/x/text/internal/language/language.go @@ -251,6 +251,13 @@ func (t Tag) Parent() Tag { // ParseExtension parses s as an extension and returns it on success. func ParseExtension(s string) (ext string, err error) { + defer func() { + if recover() != nil { + ext = "" + err = ErrSyntax + } + }() + scan := makeScannerString(s) var end int if n := len(scan.token); n != 1 { @@ -461,7 +468,14 @@ func (t Tag) findTypeForKey(key string) (start, sep, end int, hasExt bool) { // ParseBase parses a 2- or 3-letter ISO 639 code. // It returns a ValueError if s is a well-formed but unknown language identifier // or another error if another error occurred. -func ParseBase(s string) (Language, error) { +func ParseBase(s string) (l Language, err error) { + defer func() { + if recover() != nil { + l = 0 + err = ErrSyntax + } + }() + if n := len(s); n < 2 || 3 < n { return 0, ErrSyntax } @@ -472,7 +486,14 @@ func ParseBase(s string) (Language, error) { // ParseScript parses a 4-letter ISO 15924 code. // It returns a ValueError if s is a well-formed but unknown script identifier // or another error if another error occurred. -func ParseScript(s string) (Script, error) { +func ParseScript(s string) (scr Script, err error) { + defer func() { + if recover() != nil { + scr = 0 + err = ErrSyntax + } + }() + if len(s) != 4 { return 0, ErrSyntax } @@ -489,7 +510,14 @@ func EncodeM49(r int) (Region, error) { // ParseRegion parses a 2- or 3-letter ISO 3166-1 or a UN M.49 code. // It returns a ValueError if s is a well-formed but unknown region identifier // or another error if another error occurred. -func ParseRegion(s string) (Region, error) { +func ParseRegion(s string) (r Region, err error) { + defer func() { + if recover() != nil { + r = 0 + err = ErrSyntax + } + }() + if n := len(s); n < 2 || 3 < n { return 0, ErrSyntax } @@ -578,7 +606,14 @@ type Variant struct { // ParseVariant parses and returns a Variant. An error is returned if s is not // a valid variant. -func ParseVariant(s string) (Variant, error) { +func ParseVariant(s string) (v Variant, err error) { + defer func() { + if recover() != nil { + v = Variant{} + err = ErrSyntax + } + }() + s = strings.ToLower(s) if id, ok := variantIndex[s]; ok { return Variant{id, s}, nil |