spdx

Nov 2, 2026

Changes in this version

type Category

+ const CategoryNonCommercial

type LicenseRef

+ Exception string

Aug 3, 2026

Changes in this version

type Expression

+ func ParseSyntax(expression string) (Expression, error)

Jul 30, 2026

Changes in this version

+ func RewriteIdentifiers(expression Expression, rewrite func(string) string) string

May 2, 2026

Changes in this version

+ var ErrExpressionTooLarge = errors.New("expression too large")

Jan 18, 2026

Changes in this version

+ var ErrEmptyExpression = errors.New("empty expression")

+ var ErrInvalidException = errors.New("invalid exception identifier")

+ var ErrInvalidLicense = errors.New("invalid license")

+ var ErrInvalidLicenseID = errors.New("invalid license identifier")

+ var ErrInvalidSpecialValue = errors.New("NONE and NOASSERTION must be standalone")

+ var ErrMissingOperand = errors.New("missing operand")

+ var ErrUnbalancedParens = errors.New("unbalanced parentheses")

+ var ErrUnexpectedToken = errors.New("unexpected token")

+ func ExtractLicenses(expression string) ([]string, error)

+ func HasCopyleft(expression string) bool

+ func IsCommercial(license string) bool

+ func IsCopyleft(license string) bool

+ func IsFullyPermissive(expression string) bool

+ func IsPermissive(license string) bool

+ func Normalize(license string) (string, error)

+ func NormalizeExpression(expression string) (string, error)

+ func NormalizeExpressionLax(expression string) (string, error)

+ func Satisfies(expression string, allowed []string) (bool, error)

+ func Valid(expression string) bool

+ func ValidLicense(license string) bool

+ func ValidateLicenses(licenses []string) (bool, []string)

+ type AndExpression struct

+ Left Expression

+ Right Expression

+ func (e *AndExpression) Licenses() []string

+ func (e *AndExpression) String() string

+ type Category string

+ const CategoryCLA

+ const CategoryCommercial

+ const CategoryCopyleft

+ const CategoryCopyleftLimited

+ const CategoryFreeRestricted

+ const CategoryPatentLicense

+ const CategoryPermissive

+ const CategoryProprietaryFree

+ const CategoryPublicDomain

+ const CategorySourceAvailable

+ const CategoryUnknown

+ const CategoryUnstated

+ func ExpressionCategories(expression string) ([]Category, error)

+ func LicenseCategory(license string) Category

+ type Expression interface

+ Licenses func() []string

+ String func() string

+ func Parse(expression string) (Expression, error)

+ func ParseLax(expression string) (Expression, error)

+ func ParseStrict(expression string) (Expression, error)

+ type License struct

+ Exception string

+ ID string

+ Plus bool

+ func (l *License) Licenses() []string

+ func (l *License) String() string

+ type LicenseError struct

+ Err error

+ License string

+ func (e *LicenseError) Error() string

+ func (e *LicenseError) Unwrap() error

+ type LicenseInfo struct

+ Category Category

+ IsDeprecated bool

+ IsException bool

+ Key string

+ SPDXKey string

+ func GetLicenseInfo(license string) *LicenseInfo

+ type LicenseRef struct

+ DocumentRef string

+ LicenseRef string

+ func (l *LicenseRef) Licenses() []string

+ func (l *LicenseRef) String() string

+ type OrExpression struct

+ Left Expression

+ Right Expression

+ func (e *OrExpression) Licenses() []string

+ func (e *OrExpression) String() string

+ type SpecialValue struct

+ Value string

+ func (s *SpecialValue) Licenses() []string

+ func (s *SpecialValue) String() string