Suppress warnings about empty sections on base clusters or derived clusters

Author: hasty

matter/spec/attributes.go

@@ -4,6 +4,7 @@ import (
 	"log/slog"
 
 	"github.com/project-chip/alchemy/asciidoc"
+	"github.com/project-chip/alchemy/internal/log"
 	"github.com/project-chip/alchemy/matter"
 	"github.com/project-chip/alchemy/matter/types"
 )
@@ -13,6 +14,9 @@ func toAttributes(spec *Specification, d *Doc, section *asciidoc.Section, cluste
 	ti, err = parseFirstTable(d, section)
 	if err != nil {
 		if err == ErrNoTableFound {
+			if !isBaseOrDerivedCluster(cluster) {
+				slog.Warn("no table found for attributes", slog.String("name", cluster.Name), log.Element("source", d.Path, section))
+			}
 			err = nil
 		}
 		return

matter/spec/bitmap.go

@@ -31,7 +31,9 @@ func toBitmap(d *Doc, section *asciidoc.Section, pc *parseContext, parent types.
 
 	if err != nil {
 		if err == ErrNoTableFound {
-			slog.Warn("no table found for bitmap", log.Element("source", d.Path, section), slog.String("name", bm.Name))
+			if !isBaseOrDerivedCluster(parent) {
+				slog.Warn("no table found for bitmap", log.Element("source", d.Path, section), slog.String("name", bm.Name))
+			}
 			err = nil
 		} else {
 			return nil, newGenericParseError(section, "failed reading bitmap %s: %w", name, err)

matter/spec/cluster.go

@@ -232,6 +232,19 @@ func clusterNamesEquivalent(name1 string, name2 string) bool {
 	return strings.EqualFold(name1, name2)
 }
 
+func isBaseOrDerivedCluster(e types.Entity) bool {
+	switch e := e.(type) {
+	case *matter.Cluster:
+		if text.HasCaseInsensitiveSuffix(e.Name, " Base") {
+			return true
+		}
+		if e.Hierarchy != "Base" {
+			return true
+		}
+	}
+	return false
+}
+
 func readClusterClassification(doc *Doc, name string, classification *matter.ClusterClassification, s *asciidoc.Section) error {
 	ti, err := parseFirstTable(doc, s)
 	if err != nil {