package middleware import ( "regexp" "strconv" "strings" "github.com/labstack/echo" ) type ( // Skipper defines a function to skip middleware. Returning true skips processing // the middleware. Skipper func(c echo.Context) bool ) func captureTokens(pattern *regexp.Regexp, input string) *strings.Replacer { groups := pattern.FindAllStringSubmatch(input, -1) if groups == nil { return nil } values := groups[0][1:] replace := make([]string, 2*len(values)) for i, v := range values { j := 2 * i replace[j] = "$" + strconv.Itoa(i+1) replace[j+1] = v } return strings.NewReplacer(replace...) } // DefaultSkipper returns false which processes the middleware. func DefaultSkipper(echo.Context) bool { return false }