Function parseQueryString

pkg/workflow/model_identifier.go:305–324

─── Parameter parsing ──────────────────────────────────────────────────────── parseQueryString parses a query string of the form "key=value&key=value…". Returns an error if any key or value violates the grammar (syntax only). Known-parameter value validation is performed separately by ValidateKnown

(raw string)

// Returns an error if any key or value violates the grammar (syntax only).
// Known-parameter value validation is performed separately by ValidateKnownParams.
func parseQueryString(raw string) (map[string]string, error) {
	params := map[string]string{}
	for pair := range strings.SplitSeq(raw, "&") {
		if pair == "" {
			return nil, fmt.Errorf("model identifier: empty parameter pair in query string %q", raw)
		}
		k, v, found := strings.Cut(pair, "=")
		if !found {
			return nil, fmt.Errorf("model identifier: parameter %q is missing '=' separator", pair)
		}
		if err := validateParamKey(k); err != nil {
			return nil, err
		}
		if err := validateParamValue(v); err != nil {
			return nil, err
		}
		params[k] = v
	}
	return params, nil
}

// validateParamKey validates a parameter key per the ABNF grammar.
func validateParamKey(key string) error {