# matches every HTTP request and ensures that route rules always have at
# least one valid match.
apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: default-match-route
  labels:
    app: default-match
spec:
  parentRefs:
  - name: default-match-gw
  hostnames:
  - default-match.com
  rules:
  - matches:
    - headers:
      - type: Exact

//		c           matches character c (c != '*', '?', '\\', '[')
//		'\\' c      matches character c
//
//	character-range:
//		c           matches character c (c != '\\', '-', ']')
//		'\\' c      matches character c
//		lo '-' hi   matches character c for lo <= c <= hi
//
// Match requires pattern to match all of name, not just a substring.
// The only possible returned error is [ErrBadPattern], when pattern
// is malformed.
//

		}
	}
	return false
}

func MatchesGlob(matchString, pattern string) bool {
	match, err := filepath.Match(pattern, matchString)
	if err != nil {
		// Shouldn't be here as prior validation is assumed.
		log.Errorf("Unexpected filepath error for %s match %s: %s", pattern, matchString, err)
		return false
	}
	return match

func And(m1 Match, m2 Match) Match {
	return func(o Instance) bool {
		return m1(o) && m2(o)
	}
}

func Not(match Match) Match {
	return func(o Instance) bool {
		return !match(o)
	}

	Filters []string

	// TotalMatch will require that the all elements exactly match (eg, if I have 3 elements in the
	// check, the listener must as well). Otherwise, we only validate the assertions we provided are
	// present.
	TotalMatch bool
}

type FilterChainTest struct {
	// Match a filter chain by name
	Name string
	// Match filter chain by 'type'. This can be important since Name is currently not unique

//
//	character-range:
//		c           matches character c (c != '\\', '-', ']')
//		'\\' c      matches character c
//		lo '-' hi   matches character c for lo <= c <= hi
//
// Match requires pattern to match all of name, not just a substring.
// The only possible returned error is [ErrBadPattern], when pattern
// is malformed.
func Match(pattern, name string) (matched bool, err error) {
Pattern:
	for len(pattern) > 0 {

	for _, overlay := range overlays {
		// Each overlay should have exactly one match in the output manifest.
		switch {
		case len(matches[overlay]) == 0:
			errs = util.AppendErr(errs, fmt.Errorf("overlay for %s:%s does not match any object in output manifest. Available objects are:\n%s",
				overlay.Kind, overlay.Name, strings.Join(objs.Keys(), "\n")))
		case len(matches[overlay]) > 1:

  private static final class IsEither extends FastMatcher {

    private final char match1;
    private final char match2;

    IsEither(char match1, char match2) {
      this.match1 = match1;
      this.match2 = match2;
    }

    @Override
    public boolean matches(char c) {
      return c == match1 || c == match2;
    }

    @GwtIncompatible // used only from other GwtIncompatible code

     * being already present in that collection.
     * <p>
     * A match means that the first n lines starting at {@code startIdx} match the lines of the
     * expected deprecation warning.  If there are not n lines starting at {@code startIdx} left in
     * the list of lines, then no match is made.
     * <p>
     * As a second side-effect, the last matched deprecation warning is stored in the

			continue
		}
		match, ok := evalResult.Value().(bool)
		if !ok {
			evalErrors = append(evalErrors, fmt.Errorf("cel evaluation error: expression '%v' eval result value should be bool but got %W", compilationResult.ExpressionAccessor.GetExpression(), evalResult.Value()))
			continue
		}
		// If at least one matchCondition successfully evaluates to FALSE,
		// return early
		if !match {