Function valuesFromQuery

middleware/extractor.go:164–177

valuesFromQuery returns a function that extracts values from the query string.

(param string, limit uint)

// valuesFromQuery returns a function that extracts values from the query string.
func valuesFromQuery(param string, limit uint) ValuesExtractor {
	if limit == 0 {
		limit = 1
	}
	return func(c *echo.Context) ([]string, ExtractorSource, error) {
		result := c.QueryParams()[param]
		if len(result) == 0 {
			return nil, ExtractorSourceQuery, errQueryExtractorValueMissing
		} else if len(result) > int(limit)-1 {
			result = result[:limit]
		}
		return result, ExtractorSourceQuery, nil
	}
}

// valuesFromParam returns a function that extracts values from the url param string.
func valuesFromParam(param string, limit uint) ValuesExtractor {