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