fexpr

Mar 27, 2025

Changes in this version

+ var ErrInvalidComment = errors.New("invalid comment")

type Token

+ Meta interface{}

type TokenType

+ const TokenFunction

Dec 2, 2023

Changes in this version

+ var ErrEmpty = errors.New("empty filter expression")

+ var ErrIncomplete = errors.New("invalid or incomplete filter expression")

type Expr

+ func (e Expr) IsZero() bool

type TokenType

+ const TokenComment

Dec 25, 2022

Changes in this version

type SignOp

+ const SignAnyEq

+ const SignAnyGt

+ const SignAnyGte

+ const SignAnyLike

+ const SignAnyLt

+ const SignAnyLte

+ const SignAnyNeq

+ const SignAnyNlike

Jan 22, 2022

Changes in this version

+ const StepJoin

+ type Expr struct

+ Left Token

+ Op SignOp

+ Right Token

+ type ExprGroup struct

+ Item interface{}

+ Join JoinOp

+ func Parse(text string) ([]ExprGroup, error)

+ type JoinOp string

+ const JoinAnd

+ const JoinOr

+ type Scanner struct

+ func NewScanner(r io.Reader) *Scanner

+ func (s *Scanner) Scan() (Token, error)

+ type SignOp string

+ const SignEq

+ const SignGt

+ const SignGte

+ const SignLike

+ const SignLt

+ const SignLte

+ const SignNeq

+ const SignNlike

+ type Token struct

+ Literal string

+ Type TokenType

+ type TokenType string

+ const TokenEOF

+ const TokenGroup

+ const TokenIdentifier

+ const TokenJoin

+ const TokenNumber

+ const TokenSign

+ const TokenText

+ const TokenUnexpected

+ const TokenWS