Improve handling of single structs associated with many clusters. (#2…

…6495) Instead of having a single set of types under "namespace detail" plus namespace aliases, have actual distinct types in the distinct cluster namespaces, with a common super-class in the detail namespace to improve code sharing. This still leaves the fields enums as an alias of the detail bits, but people are unlikely to be dispatching to overloads on the type of that fields enum.
project-chip · Dec 20, 2023 · 2240226 · 2240226
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commit 2240226
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Showing 10 changed files with 321 additions and 162 deletions.
diff --git a/examples/chip-tool/templates/ComplexArgumentParser-src.zapt b/examples/chip-tool/templates/ComplexArgumentParser-src.zapt
@@ -2,16 +2,8 @@
 
 #include <commands/clusters/ComplexArgument.h>
 
-{{#zcl_structs}}
-{{#if has_more_than_one_cluster}}
-{{> struct_parser_impl namespace="detail"}}
-{{/if}}
-{{/zcl_structs}}
-
 {{#zcl_clusters}}
 {{#zcl_structs}}
-{{#unless has_more_than_one_cluster}}
 {{> struct_parser_impl namespace=(as_camel_cased ../name false)}}
-{{/unless}}
 {{/zcl_structs}}
 {{/zcl_clusters}}
diff --git a/examples/chip-tool/templates/ComplexArgumentParser.zapt b/examples/chip-tool/templates/ComplexArgumentParser.zapt
@@ -5,16 +5,8 @@
 #include <lib/core/CHIPError.h>
 #include <app-common/zap-generated/cluster-objects.h>
 
-{{#zcl_structs}}
-{{#if has_more_than_one_cluster}}
-{{> struct_parser_decl namespace="detail"}}
-{{/if}}
-{{/zcl_structs}}
-
 {{#zcl_clusters}}
 {{#zcl_structs}}
-{{#unless has_more_than_one_cluster}}
 {{> struct_parser_decl namespace=(as_camel_cased ../name false)}}
-{{/unless}}
 {{/zcl_structs}}
 {{/zcl_clusters}}
diff --git a/examples/chip-tool/templates/logging/DataModelLogger-src.zapt b/examples/chip-tool/templates/logging/DataModelLogger-src.zapt
@@ -4,17 +4,9 @@
 
 using namespace chip::app::Clusters;
 
-{{#zcl_structs}}
-{{#if has_more_than_one_cluster}}
-{{> struct_logger_impl namespace="detail"}}
-{{/if}}
-{{/zcl_structs}}
-
 {{#zcl_clusters}}
 {{#zcl_structs}}
-{{#unless has_more_than_one_cluster}}
 {{> struct_logger_impl namespace=(as_camel_cased ../name false)}}
-{{/unless}}
 {{/zcl_structs}}
 {{/zcl_clusters}}
 

diff --git a/examples/chip-tool/templates/logging/DataModelLogger.zapt b/examples/chip-tool/templates/logging/DataModelLogger.zapt
@@ -3,17 +3,9 @@
 #include <lib/core/CHIPError.h>
 #include <app-common/zap-generated/cluster-objects.h>
 
-{{#zcl_structs}}
-{{#if has_more_than_one_cluster}}
-{{> struct_logger_decl namespace="detail"}}
-{{/if}}
-{{/zcl_structs}}
-
 {{#zcl_clusters}}
 {{#zcl_structs}}
-{{#unless has_more_than_one_cluster}}
 {{> struct_logger_decl namespace=(as_camel_cased ../name false)}}
-{{/unless}}
 {{/zcl_structs}}
 {{/zcl_clusters}}
 

diff --git a/src/app/zap-templates/templates/app/cluster-objects.zapt b/src/app/zap-templates/templates/app/cluster-objects.zapt
@@ -54,7 +54,24 @@ namespace {{asUpperCamelCase name}} {
 namespace Structs {
 {{/first}}
 {{#if has_more_than_one_cluster}}
-namespace {{asUpperCamelCase name}} = Clusters::detail::Structs::{{asUpperCamelCase name}};
+namespace {{asUpperCamelCase name}} {
+
+using Fields = Clusters::detail::Structs::{{asUpperCamelCase name}}::Fields;
+
+struct Type : public Clusters::detail::Structs::{{asUpperCamelCase name}}::Type
+{
+};
+
+{{#if struct_contains_array}}
+struct DecodableType : public Clusters::detail::Structs::{{asUpperCamelCase name}}::DecodableType
+{
+};
+{{else}}
+using DecodableType = Type;
+{{/if}}
+
+} // namespace {{asUpperCamelCase name}}
+
 {{else}}
 {{> cluster_objects_struct header=true}}
 {{/if}}

diff --git a/zzz_generated/app-common/app-common/zap-generated/cluster-objects.h b/zzz_generated/app-common/app-common/zap-generated/cluster-objects.h
diff --git a/zzz_generated/chip-tool/zap-generated/cluster/ComplexArgumentParser.cpp b/zzz_generated/chip-tool/zap-generated/cluster/ComplexArgumentParser.cpp