package match import ( "fmt" ) type Row struct { Matchers Matchers RunesLength int Segments []int } func NewRow(len int, m ...Matcher) Row { return Row{ Matchers: Matchers(m), RunesLength: len, Segments: []int{len}, } } func (self Row) matchAll(s string) bool { var idx int for _, m := range self.Matchers { length := m.Len() var next, i int for next = range s[idx:] { i++ if i == length { break } } if i < length || !m.Match(s[idx:idx+next+1]) { return false } idx += next + 1 } return true } func (self Row) lenOk(s string) bool { var i int for range s { i++ if i > self.RunesLength { return false } } return self.RunesLength == i } func (self Row) Match(s string) bool { return self.lenOk(s) && self.matchAll(s) } func (self Row) Len() (l int) { return self.RunesLength } func (self Row) Index(s string) (int, []int) { for i := range s { if len(s[i:]) < self.RunesLength { break } if self.matchAll(s[i:]) { return i, self.Segments } } return -1, nil } func (self Row) String() string { return fmt.Sprintf("<row_%d:[%s]>", self.RunesLength, self.Matchers) }