feat: advance FreeCAD parity and native OCCT history

src/facade/fcstd.ts

@@ -22,11 +22,19 @@ export type FcstdEntryMetadata = {
 
 export type FcstdObjectSupport = 'recognized' | 'proxy' | 'blocked'
 
+export type FcstdPropertySummary = {
+  name: string
+  typeId: string
+  element: string
+  value: string
+}
+
 export type FcstdObjectSummary = {
   name: string
   label: string
   typeId: string
   propertyCount: number
+  properties: FcstdPropertySummary[]
   support: FcstdObjectSupport
 }
 
@@ -179,6 +187,18 @@ const propertyValue = (property: Record<string, unknown>): string => {
   return ''
 }
 
+const propertyElement = (property: Record<string, unknown>): string => {
+  const entry = Object.entries(property).find(([name, value]) => !name.startsWith('@_') && Boolean(value && typeof value === 'object'))
+  return entry?.[0] || ''
+}
+
+const propertySummaries = (properties: Record<string, unknown>[]): FcstdPropertySummary[] => properties.map((property) => ({
+  name: attribute(property, 'name') || '<unnamed>',
+  typeId: attribute(property, 'type') || propertyElement(property) || 'unknown',
+  element: propertyElement(property),
+  value: propertyValue(property),
+}))
+
 const parseDocumentXml = (bytes: Uint8Array) => {
   const xml = new TextDecoder('utf-8', { fatal: true }).decode(bytes)
   if (/<!DOCTYPE|<!ENTITY/i.test(xml)) throw new Error('FCStd Document.xml declarations and entities are not allowed.')
@@ -202,7 +222,7 @@ const parseDocumentXml = (bytes: Uint8Array) => {
     const properties = asArray((((data?.Properties as Record<string, unknown> | undefined)?.Property) as Record<string, unknown> | Record<string, unknown>[] | undefined))
     const objectLabelProperty = properties.find((property) => attribute(property, 'name') === 'Label')
     const support: FcstdObjectSupport = blockedTypeId(typeId) ? 'blocked' : recognizedTypeIds.has(typeId) ? 'recognized' : 'proxy'
-    return { name, label: objectLabelProperty ? propertyValue(objectLabelProperty) || name : name, typeId, propertyCount: properties.length, support }
+    return { name, label: objectLabelProperty ? propertyValue(objectLabelProperty) || name : name, typeId, propertyCount: properties.length, properties: propertySummaries(properties), support }
   })
   return {
     schemaVersion: attribute(root, 'SchemaVersion') || attribute(root, 'schemaVersion') || 'unknown',