refactor(new_editor/app): reorganize host structure and add smoke test

new_editor/src/Panels/UIEditorPanelRegistry.cpp

@@ -0,0 +1,74 @@
+#include <XCEditor/Panels/UIEditorPanelRegistry.h>
+
+#include <unordered_set>
+#include <utility>
+
+namespace XCEngine::UI::Editor {
+
+namespace {
+
+UIEditorPanelRegistryValidationResult MakeValidationError(
+    UIEditorPanelRegistryValidationCode code,
+    std::string message) {
+    UIEditorPanelRegistryValidationResult result = {};
+    result.code = code;
+    result.message = std::move(message);
+    return result;
+}
+
+} // namespace
+
+UIEditorPanelRegistry BuildDefaultEditorShellPanelRegistry() {
+    UIEditorPanelRegistry registry = {};
+    registry.panels = {
+        {
+            "editor-foundation-root",
+            "Root Surface",
+            UIEditorPanelPresentationKind::Placeholder,
+            true,
+            false,
+            false
+        }
+    };
+    return registry;
+}
+
+const UIEditorPanelDescriptor* FindUIEditorPanelDescriptor(
+    const UIEditorPanelRegistry& registry,
+    std::string_view panelId) {
+    for (const UIEditorPanelDescriptor& descriptor : registry.panels) {
+        if (descriptor.panelId == panelId) {
+            return &descriptor;
+        }
+    }
+
+    return nullptr;
+}
+
+UIEditorPanelRegistryValidationResult ValidateUIEditorPanelRegistry(
+    const UIEditorPanelRegistry& registry) {
+    std::unordered_set<std::string> panelIds = {};
+    for (const UIEditorPanelDescriptor& descriptor : registry.panels) {
+        if (descriptor.panelId.empty()) {
+            return MakeValidationError(
+                UIEditorPanelRegistryValidationCode::EmptyPanelId,
+                "Panel registry entry must define a panelId.");
+        }
+
+        if (descriptor.defaultTitle.empty()) {
+            return MakeValidationError(
+                UIEditorPanelRegistryValidationCode::EmptyDefaultTitle,
+                "Panel descriptor '" + descriptor.panelId + "' must define a defaultTitle.");
+        }
+
+        if (!panelIds.insert(descriptor.panelId).second) {
+            return MakeValidationError(
+                UIEditorPanelRegistryValidationCode::DuplicatePanelId,
+                "Panel descriptor '" + descriptor.panelId + "' is duplicated in the registry.");
+        }
+    }
+
+    return {};
+}
+
+} // namespace XCEngine::UI::Editor