Function valuesFromParam

middleware/extractor.go:180–202

valuesFromParam returns a function that extracts values from the url param string.

(param string, limit uint)

// valuesFromParam returns a function that extracts values from the url param string.
func valuesFromParam(param string, limit uint) ValuesExtractor {
	if limit == 0 {
		limit = 1
	}
	return func(c *echo.Context) ([]string, ExtractorSource, error) {
		result := make([]string, 0)
		i := uint(0)
		for _, p := range c.PathValues() {
			if param != p.Name {
				continue
			}
			result = append(result, p.Value)
			i++
			if i >= limit {
				break
			}
		}
		if len(result) == 0 {
			return nil, ExtractorSourcePathParam, errParamExtractorValueMissing
		}
		return result, ExtractorSourcePathParam, nil
	}
}

// valuesFromCookie returns a function that extracts values from the named cookie.
func valuesFromCookie(name string, limit uint) ValuesExtractor {