Move remaining Script_ methods to CJX_Object

The CJX_Node isn't the root of the CJX hierarchy. This causes issues
now that CJX_Object has child objects which don't inherit from CJX_Node.
This CL moves Script_* from CJX_Node to CJX_Object.

Change-Id: I9f063c9d796896ba34be802a8ef8f108911ed56c
Reviewed-on: https://pdfium-review.googlesource.com/20972
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

4 files changed, 605 insertions, 623 deletions

diff --git a/fxjs/xfa/cjx_node.cpp b/fxjs/xfa/cjx_node.cpp
index 9d416ea4d1..cceaa208fc 100644
--- a/fxjs/xfa/cjx_node.cpp
+++ b/fxjs/xfa/cjx_node.cpp
@@ -6,26 +6,15 @@
 
 #include "fxjs/xfa/cjx_node.h"
 
-#include <map>
-#include <vector>
-
-#include "core/fxcrt/cfx_decimal.h"
 #include "core/fxcrt/cfx_memorystream.h"
 #include "core/fxcrt/fx_codepage.h"
-#include "core/fxcrt/fx_extension.h"
-#include "core/fxcrt/xml/cfx_xmlelement.h"
-#include "core/fxcrt/xml/cfx_xmlnode.h"
-#include "core/fxcrt/xml/cfx_xmltext.h"
 #include "fxjs/cfxjse_engine.h"
 #include "fxjs/js_resources.h"
+#include "third_party/base/ptr_util.h"
+#include "xfa/fxfa/cxfa_eventparam.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
-#include "xfa/fxfa/cxfa_ffwidget.h"
-#include "xfa/fxfa/parser/cxfa_arraynodelist.h"
-#include "xfa/fxfa/parser/cxfa_attachnodelist.h"
-#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
-#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
-#include "xfa/fxfa/parser/cxfa_occurdata.h"
 #include "xfa/fxfa/parser/cxfa_simple_parser.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
@@ -119,90 +108,6 @@ const CXFA_Node* CJX_Node::GetXFANode() const {
   return static_cast<const CXFA_Node*>(GetXFAObject());
 }
 
-int32_t CJX_Node::InstanceManager_SetInstances(int32_t iDesired) {
-  CXFA_OccurData occurData(GetXFANode()->GetOccurNode());
-  if (iDesired < occurData.GetMin()) {
-    ThrowTooManyOccurancesException(L"min");
-    return 1;
-  }
-
-  int32_t iMax = occurData.GetMax();
-  if (iMax >= 0 && iDesired > iMax) {
-    ThrowTooManyOccurancesException(L"max");
-    return 2;
-  }
-
-  int32_t iCount = GetXFANode()->GetCount();
-  if (iDesired == iCount)
-    return 0;
-
-  if (iDesired < iCount) {
-    WideString wsInstManagerName = GetCData(XFA_Attribute::Name);
-    WideString wsInstanceName = WideString(
-        wsInstManagerName.IsEmpty()
-            ? wsInstManagerName
-            : wsInstManagerName.Right(wsInstManagerName.GetLength() - 1));
-    uint32_t dInstanceNameHash =
-        FX_HashCode_GetW(wsInstanceName.AsStringView(), false);
-    CXFA_Node* pPrevSibling =
-        iDesired == 0 ? GetXFANode() : GetXFANode()->GetItem(iDesired - 1);
-    while (iCount > iDesired) {
-      CXFA_Node* pRemoveInstance =
-          pPrevSibling->GetNodeItem(XFA_NODEITEM_NextSibling);
-      if (pRemoveInstance->GetElementType() != XFA_Element::Subform &&
-          pRemoveInstance->GetElementType() != XFA_Element::SubformSet) {
-        continue;
-      }
-      if (pRemoveInstance->GetElementType() == XFA_Element::InstanceManager) {
-        NOTREACHED();
-        break;
-      }
-      if (pRemoveInstance->GetNameHash() == dInstanceNameHash) {
-        GetXFANode()->RemoveItem(pRemoveInstance, true);
-        iCount--;
-      }
-    }
-  } else {
-    while (iCount < iDesired) {
-      CXFA_Node* pNewInstance = GetXFANode()->CreateInstance(true);
-      GetXFANode()->InsertItem(pNewInstance, iCount, iCount, false);
-      iCount++;
-      CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
-      if (!pNotify)
-        return 0;
-
-      pNotify->RunNodeInitialize(pNewInstance);
-    }
-  }
-
-  CXFA_LayoutProcessor* pLayoutPro = GetDocument()->GetLayoutProcessor();
-  if (pLayoutPro) {
-    pLayoutPro->AddChangedContainer(
-        ToNode(GetDocument()->GetXFAObject(XFA_HASHCODE_Form)));
-  }
-  return 0;
-}
-
-int32_t CJX_Node::InstanceManager_MoveInstance(int32_t iTo, int32_t iFrom) {
-  int32_t iCount = GetXFANode()->GetCount();
-  if (iFrom > iCount || iTo > iCount - 1) {
-    ThrowIndexOutOfBoundsException();
-    return 1;
-  }
-  if (iFrom < 0 || iTo < 0 || iFrom == iTo)
-    return 0;
-
-  CXFA_Node* pMoveInstance = GetXFANode()->GetItem(iFrom);
-  GetXFANode()->RemoveItem(pMoveInstance, false);
-  GetXFANode()->InsertItem(pMoveInstance, iTo, iCount - 1, true);
-  CXFA_LayoutProcessor* pLayoutPro = GetDocument()->GetLayoutProcessor();
-  if (pLayoutPro) {
-    pLayoutPro->AddChangedContainer(
-        ToNode(GetDocument()->GetXFAObject(XFA_HASHCODE_Form)));
-  }
-  return 0;
-}
-
 CJS_Return CJX_Node::applyXSL(CJS_V8* runtime,
                               const std::vector<v8::Local<v8::Value>>& params) {
   if (params.size() != 1)
@@ -478,402 +383,6 @@ CJS_Return CJX_Node::setElement(
   return CJS_Return(true);
 }
 
-void CJX_Node::Script_NodeClass_Ns(CFXJSE_Value* pValue,
-                                   bool bSetting,
-                                   XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetString(
-      TryNamespace().value_or(WideString()).UTF8Encode().AsStringView());
-}
-
-void CJX_Node::Script_NodeClass_Model(CFXJSE_Value* pValue,
-                                      bool bSetting,
-                                      XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-
-  pValue->Assign(GetDocument()->GetScriptContext()->GetJSValueFromMap(
-      GetXFANode()->GetModelNode()));
-}
-
-void CJX_Node::Script_NodeClass_IsContainer(CFXJSE_Value* pValue,
-                                            bool bSetting,
-                                            XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-
-  pValue->SetBoolean(GetXFANode()->IsContainerNode());
-}
-
-void CJX_Node::Script_NodeClass_IsNull(CFXJSE_Value* pValue,
-                                       bool bSetting,
-                                       XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-  if (GetXFANode()->GetElementType() == XFA_Element::Subform) {
-    pValue->SetBoolean(false);
-    return;
-  }
-  pValue->SetBoolean(GetContent(false).IsEmpty());
-}
-
-void CJX_Node::Script_NodeClass_OneOfChild(CFXJSE_Value* pValue,
-                                           bool bSetting,
-                                           XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-
-  std::vector<CXFA_Node*> properties = GetXFANode()->GetNodeList(
-      XFA_NODEFILTER_OneOfProperty, XFA_Element::Unknown);
-  if (!properties.empty()) {
-    pValue->Assign(GetDocument()->GetScriptContext()->GetJSValueFromMap(
-        properties.front()));
-  }
-}
-
-void CJX_Node::Script_ModelClass_Context(CFXJSE_Value* pValue,
-                                         bool bSetting,
-                                         XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_ModelClass_AliasNode(CFXJSE_Value* pValue,
-                                           bool bSetting,
-                                           XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Delta_CurrentValue(CFXJSE_Value* pValue,
-                                         bool bSetting,
-                                         XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Delta_SavedValue(CFXJSE_Value* pValue,
-                                       bool bSetting,
-                                       XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Delta_Target(CFXJSE_Value* pValue,
-                                   bool bSetting,
-                                   XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Field_Length(CFXJSE_Value* pValue,
-                                   bool bSetting,
-                                   XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-
-  CXFA_WidgetData* pWidgetData = GetXFANode()->GetWidgetData();
-  if (!pWidgetData) {
-    pValue->SetInteger(0);
-    return;
-  }
-  pValue->SetInteger(pWidgetData->CountChoiceListItems(true));
-}
-
-void CJX_Node::Script_Field_EditValue(CFXJSE_Value* pValue,
-                                      bool bSetting,
-                                      XFA_Attribute eAttribute) {
-  CXFA_WidgetData* pWidgetData = GetXFANode()->GetWidgetData();
-  if (!pWidgetData)
-    return;
-
-  if (bSetting) {
-    pWidgetData->SetValue(XFA_VALUEPICTURE_Edit, pValue->ToWideString());
-    return;
-  }
-  pValue->SetString(
-      pWidgetData->GetValue(XFA_VALUEPICTURE_Edit).UTF8Encode().AsStringView());
-}
-
-void CJX_Node::Script_Field_FormattedValue(CFXJSE_Value* pValue,
-                                           bool bSetting,
-                                           XFA_Attribute eAttribute) {
-  CXFA_WidgetData* pWidgetData = GetXFANode()->GetWidgetData();
-  if (!pWidgetData)
-    return;
-
-  if (bSetting) {
-    pWidgetData->SetValue(XFA_VALUEPICTURE_Display, pValue->ToWideString());
-    return;
-  }
-  pValue->SetString(pWidgetData->GetValue(XFA_VALUEPICTURE_Display)
-                        .UTF8Encode()
-                        .AsStringView());
-}
-
-void CJX_Node::Script_Field_ParentSubform(CFXJSE_Value* pValue,
-                                          bool bSetting,
-                                          XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetNull();
-}
-
-void CJX_Node::Script_Field_SelectedIndex(CFXJSE_Value* pValue,
-                                          bool bSetting,
-                                          XFA_Attribute eAttribute) {
-  CXFA_WidgetData* pWidgetData = GetXFANode()->GetWidgetData();
-  if (!pWidgetData)
-    return;
-
-  if (!bSetting) {
-    pValue->SetInteger(pWidgetData->GetSelectedItem(0));
-    return;
-  }
-
-  int32_t iIndex = pValue->ToInteger();
-  if (iIndex == -1) {
-    pWidgetData->ClearAllSelections();
-    return;
-  }
-
-  pWidgetData->SetItemState(iIndex, true, true, true, true);
-}
-
-void CJX_Node::Script_ExclGroup_ErrorText(CFXJSE_Value* pValue,
-                                          bool bSetting,
-                                          XFA_Attribute eAttribute) {
-  if (bSetting)
-    ThrowInvalidPropertyException();
-}
-
-void CJX_Node::Script_ExclGroup_DefaultAndRawValue(CFXJSE_Value* pValue,
-                                                   bool bSetting,
-                                                   XFA_Attribute eAttribute) {
-  CXFA_WidgetData* pWidgetData = GetXFANode()->GetWidgetData();
-  if (!pWidgetData)
-    return;
-
-  if (bSetting) {
-    pWidgetData->SetSelectedMemberByValue(pValue->ToWideString().AsStringView(),
-                                          true, true, true);
-    return;
-  }
-
-  WideString wsValue = GetContent(true);
-  XFA_VERSION curVersion = GetDocument()->GetCurVersionMode();
-  if (wsValue.IsEmpty() && curVersion >= XFA_VERSION_300) {
-    pValue->SetNull();
-    return;
-  }
-  pValue->SetString(wsValue.UTF8Encode().AsStringView());
-}
-
-void CJX_Node::Script_ExclGroup_Transient(CFXJSE_Value* pValue,
-                                          bool bSetting,
-                                          XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Subform_InstanceManager(CFXJSE_Value* pValue,
-                                              bool bSetting,
-                                              XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-
-  WideString wsName = GetCData(XFA_Attribute::Name);
-  CXFA_Node* pInstanceMgr = nullptr;
-  for (CXFA_Node* pNode = GetXFANode()->GetNodeItem(XFA_NODEITEM_PrevSibling);
-       pNode; pNode = pNode->GetNodeItem(XFA_NODEITEM_PrevSibling)) {
-    if (pNode->GetElementType() == XFA_Element::InstanceManager) {
-      WideString wsInstMgrName = pNode->JSNode()->GetCData(XFA_Attribute::Name);
-      if (wsInstMgrName.GetLength() >= 1 && wsInstMgrName[0] == '_' &&
-          wsInstMgrName.Right(wsInstMgrName.GetLength() - 1) == wsName) {
-        pInstanceMgr = pNode;
-      }
-      break;
-    }
-  }
-  if (!pInstanceMgr) {
-    pValue->SetNull();
-    return;
-  }
-
-  pValue->Assign(
-      GetDocument()->GetScriptContext()->GetJSValueFromMap(pInstanceMgr));
-}
-
-void CJX_Node::Script_Subform_Locale(CFXJSE_Value* pValue,
-                                     bool bSetting,
-                                     XFA_Attribute eAttribute) {
-  if (bSetting) {
-    SetCData(XFA_Attribute::Locale, pValue->ToWideString(), true, true);
-    return;
-  }
-
-  WideString wsLocaleName;
-  GetXFANode()->GetLocaleName(wsLocaleName);
-  pValue->SetString(wsLocaleName.UTF8Encode().AsStringView());
-}
-
-void CJX_Node::Script_InstanceManager_Max(CFXJSE_Value* pValue,
-                                          bool bSetting,
-                                          XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetInteger(CXFA_OccurData(GetXFANode()->GetOccurNode()).GetMax());
-}
-
-void CJX_Node::Script_InstanceManager_Min(CFXJSE_Value* pValue,
-                                          bool bSetting,
-                                          XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetInteger(CXFA_OccurData(GetXFANode()->GetOccurNode()).GetMin());
-}
-
-void CJX_Node::Script_InstanceManager_Count(CFXJSE_Value* pValue,
-                                            bool bSetting,
-                                            XFA_Attribute eAttribute) {
-  if (bSetting) {
-    pValue->SetInteger(GetXFANode()->GetCount());
-    return;
-  }
-  InstanceManager_SetInstances(pValue->ToInteger());
-}
-
-void CJX_Node::Script_Occur_Max(CFXJSE_Value* pValue,
-                                bool bSetting,
-                                XFA_Attribute eAttribute) {
-  CXFA_OccurData occurData(GetXFANode());
-  if (!bSetting) {
-    pValue->SetInteger(occurData.GetMax());
-    return;
-  }
-  occurData.SetMax(pValue->ToInteger());
-}
-
-void CJX_Node::Script_Occur_Min(CFXJSE_Value* pValue,
-                                bool bSetting,
-                                XFA_Attribute eAttribute) {
-  CXFA_OccurData occurData(GetXFANode());
-  if (!bSetting) {
-    pValue->SetInteger(occurData.GetMin());
-    return;
-  }
-  occurData.SetMin(pValue->ToInteger());
-}
-
-void CJX_Node::Script_Form_Checksum(CFXJSE_Value* pValue,
-                                    bool bSetting,
-                                    XFA_Attribute eAttribute) {
-  if (bSetting) {
-    SetAttribute(XFA_Attribute::Checksum, pValue->ToWideString().AsStringView(),
-                 false);
-    return;
-  }
-
-  pdfium::Optional<WideString> checksum =
-      TryAttribute(XFA_Attribute::Checksum, false);
-  pValue->SetString(checksum ? checksum->UTF8Encode().AsStringView() : "");
-}
-
-void CJX_Node::Script_Packet_Content(CFXJSE_Value* pValue,
-                                     bool bSetting,
-                                     XFA_Attribute eAttribute) {
-  CFX_XMLNode* pXMLNode = GetXFANode()->GetXMLMappingNode();
-  if (bSetting) {
-    if (pXMLNode && pXMLNode->GetType() == FX_XMLNODE_Element) {
-      CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
-      pXMLElement->SetTextData(pValue->ToWideString());
-    }
-    return;
-  }
-
-  WideString wsTextData;
-  if (pXMLNode && pXMLNode->GetType() == FX_XMLNODE_Element) {
-    CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
-    wsTextData = pXMLElement->GetTextData();
-  }
-
-  pValue->SetString(wsTextData.UTF8Encode().AsStringView());
-}
-
-void CJX_Node::Script_Source_Db(CFXJSE_Value* pValue,
-                                bool bSetting,
-                                XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Xfa_This(CFXJSE_Value* pValue,
-                               bool bSetting,
-                               XFA_Attribute eAttribute) {
-  if (bSetting)
-    return;
-
-  CXFA_Object* pThis = GetDocument()->GetScriptContext()->GetThisObject();
-  ASSERT(pThis);
-  pValue->Assign(GetDocument()->GetScriptContext()->GetJSValueFromMap(pThis));
-}
-
-void CJX_Node::Script_Handler_Version(CFXJSE_Value* pValue,
-                                      bool bSetting,
-                                      XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_SubmitFormat_Mode(CFXJSE_Value* pValue,
-                                        bool bSetting,
-                                        XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Extras_Type(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute) {}
-
-void CJX_Node::Script_Script_Stateless(CFXJSE_Value* pValue,
-                                       bool bSetting,
-                                       XFA_Attribute eAttribute) {
-  if (bSetting) {
-    ThrowInvalidPropertyException();
-    return;
-  }
-  pValue->SetString(FX_UTF8Encode(WideStringView(L"0", 1)).AsStringView());
-}
-
-void CJX_Node::Script_Encrypt_Format(CFXJSE_Value* pValue,
-                                     bool bSetting,
-                                     XFA_Attribute eAttribute) {}
-
-pdfium::Optional<WideString> CJX_Node::TryNamespace() {
-  if (GetXFANode()->IsModelNode() ||
-      GetXFANode()->GetElementType() == XFA_Element::Packet) {
-    CFX_XMLNode* pXMLNode = GetXFANode()->GetXMLMappingNode();
-    if (!pXMLNode || pXMLNode->GetType() != FX_XMLNODE_Element)
-      return {};
-
-    return {static_cast<CFX_XMLElement*>(pXMLNode)->GetNamespaceURI()};
-  }
-
-  if (GetXFANode()->GetPacketType() != XFA_PacketType::Datasets)
-    return GetXFANode()->GetModelNode()->JSNode()->TryNamespace();
-
-  CFX_XMLNode* pXMLNode = GetXFANode()->GetXMLMappingNode();
-  if (!pXMLNode || pXMLNode->GetType() != FX_XMLNODE_Element)
-    return {};
-
-  if (GetXFANode()->GetElementType() == XFA_Element::DataValue &&
-      GetEnum(XFA_Attribute::Contains) == XFA_AttributeEnum::MetaData) {
-    WideString wsNamespace;
-    bool ret = XFA_FDEExtension_ResolveNamespaceQualifier(
-        static_cast<CFX_XMLElement*>(pXMLNode),
-        GetCData(XFA_Attribute::QualifiedName), &wsNamespace);
-    if (!ret)
-      return {};
-    return {wsNamespace};
-  }
-  return {static_cast<CFX_XMLElement*>(pXMLNode)->GetNamespaceURI()};
-}
-
 int32_t CJX_Node::execSingleEventByName(const WideStringView& wsEventName,
                                         XFA_Element eType) {
   CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
@@ -947,15 +456,3 @@ int32_t CJX_Node::execSingleEventByName(const WideStringView& wsEventName,
   }
   return XFA_EVENTERROR_NotExist;
 }
-
-void CJX_Node::ThrowMissingPropertyException(const WideString& obj,
-                                             const WideString& prop) const {
-  ThrowException(L"'%ls' doesn't have property '%ls'.", obj.c_str(),
-                 prop.c_str());
-}
-
-void CJX_Node::ThrowTooManyOccurancesException(const WideString& obj) const {
-  ThrowException(
-      L"The element [%ls] has violated its allowable number of occurrences.",
-      obj.c_str());
-}
diff --git a/fxjs/xfa/cjx_node.h b/fxjs/xfa/cjx_node.h
index f2ff49217e..9d16d852bf 100644
--- a/fxjs/xfa/cjx_node.h
+++ b/fxjs/xfa/cjx_node.h
@@ -34,15 +34,6 @@ class CJX_Node : public CJX_Tree {
   void SetCalcRecursionCount(size_t count) { calc_recursion_count_ = count; }
   size_t GetCalcRecursionCount() const { return calc_recursion_count_; }
 
-  pdfium::Optional<WideString> TryNamespace();
-
-  void ThrowMissingPropertyException(const WideString& obj,
-                                     const WideString& prop) const;
-  void ThrowTooManyOccurancesException(const WideString& obj) const;
-
-  int32_t InstanceManager_SetInstances(int32_t iDesired);
-  int32_t InstanceManager_MoveInstance(int32_t iTo, int32_t iFrom);
-
   JS_METHOD(applyXSL, CJX_Node);
   JS_METHOD(assignNode, CJX_Node);
   JS_METHOD(clone, CJX_Node);
@@ -55,114 +46,6 @@ class CJX_Node : public CJX_Tree {
   JS_METHOD(setAttribute, CJX_Node);
   JS_METHOD(setElement, CJX_Node);
 
-  void Script_NodeClass_Ns(CFXJSE_Value* pValue,
-                           bool bSetting,
-                           XFA_Attribute eAttribute);
-  void Script_NodeClass_Model(CFXJSE_Value* pValue,
-                              bool bSetting,
-                              XFA_Attribute eAttribute);
-  void Script_NodeClass_IsContainer(CFXJSE_Value* pValue,
-                                    bool bSetting,
-                                    XFA_Attribute eAttribute);
-  void Script_NodeClass_IsNull(CFXJSE_Value* pValue,
-                               bool bSetting,
-                               XFA_Attribute eAttribute);
-  void Script_NodeClass_OneOfChild(CFXJSE_Value* pValue,
-                                   bool bSetting,
-                                   XFA_Attribute eAttribute);
-  void Script_ModelClass_Context(CFXJSE_Value* pValue,
-                                 bool bSetting,
-                                 XFA_Attribute eAttribute);
-  void Script_ModelClass_AliasNode(CFXJSE_Value* pValue,
-                                   bool bSetting,
-                                   XFA_Attribute eAttribute);
-  void Script_Delta_CurrentValue(CFXJSE_Value* pValue,
-                                 bool bSetting,
-                                 XFA_Attribute eAttribute);
-  void Script_Delta_SavedValue(CFXJSE_Value* pValue,
-                               bool bSetting,
-                               XFA_Attribute eAttribute);
-  void Script_Delta_Target(CFXJSE_Value* pValue,
-                           bool bSetting,
-                           XFA_Attribute eAttribute);
-  void Script_Field_Length(CFXJSE_Value* pValue,
-                           bool bSetting,
-                           XFA_Attribute eAttribute);
-  void Script_Field_EditValue(CFXJSE_Value* pValue,
-                              bool bSetting,
-                              XFA_Attribute eAttribute);
-  void Script_Field_FormattedValue(CFXJSE_Value* pValue,
-                                   bool bSetting,
-                                   XFA_Attribute eAttribute);
-  void Script_Field_ParentSubform(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute);
-  void Script_Field_SelectedIndex(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute);
-  void Script_ExclGroup_DefaultAndRawValue(CFXJSE_Value* pValue,
-                                           bool bSetting,
-                                           XFA_Attribute eAttribute);
-  void Script_ExclGroup_ErrorText(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute);
-  void Script_ExclGroup_Transient(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute);
-
-  void Script_Subform_InstanceManager(CFXJSE_Value* pValue,
-                                      bool bSetting,
-                                      XFA_Attribute eAttribute);
-  void Script_Subform_Locale(CFXJSE_Value* pValue,
-                             bool bSetting,
-                             XFA_Attribute eAttribute);
-  void Script_InstanceManager_Count(CFXJSE_Value* pValue,
-                                    bool bSetting,
-                                    XFA_Attribute eAttribute);
-  void Script_InstanceManager_Max(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute);
-  void Script_InstanceManager_Min(CFXJSE_Value* pValue,
-                                  bool bSetting,
-                                  XFA_Attribute eAttribute);
-
-  void Script_Occur_Max(CFXJSE_Value* pValue,
-                        bool bSetting,
-                        XFA_Attribute eAttribute);
-  void Script_Occur_Min(CFXJSE_Value* pValue,
-                        bool bSetting,
-                        XFA_Attribute eAttribute);
-
-  void Script_Form_Checksum(CFXJSE_Value* pValue,
-                            bool bSetting,
-                            XFA_Attribute eAttribute);
-
-  void Script_Packet_Content(CFXJSE_Value* pValue,
-                             bool bSetting,
-                             XFA_Attribute eAttribute);
-
-  void Script_Source_Db(CFXJSE_Value* pValue,
-                        bool bSetting,
-                        XFA_Attribute eAttribute);
-  void Script_Xfa_This(CFXJSE_Value* pValue,
-                       bool bSetting,
-                       XFA_Attribute eAttribute);
-  void Script_Handler_Version(CFXJSE_Value* pValue,
-                              bool bSetting,
-                              XFA_Attribute eAttribute);
-  void Script_SubmitFormat_Mode(CFXJSE_Value* pValue,
-                                bool bSetting,
-                                XFA_Attribute eAttribute);
-  void Script_Extras_Type(CFXJSE_Value* pValue,
-                          bool bSetting,
-                          XFA_Attribute eAttribute);
-  void Script_Encrypt_Format(CFXJSE_Value* pValue,
-                             bool bSetting,
-                             XFA_Attribute eAttribute);
-  void Script_Script_Stateless(CFXJSE_Value* pValue,
-                               bool bSetting,
-                               XFA_Attribute eAttribute);
-
  protected:
   int32_t execSingleEventByName(const WideStringView& wsEventName,
                                 XFA_Element eType);
diff --git a/fxjs/xfa/cjx_object.cpp b/fxjs/xfa/cjx_object.cpp
index 2c6588824f..04d053ce38 100644
--- a/fxjs/xfa/cjx_object.cpp
+++ b/fxjs/xfa/cjx_object.cpp
@@ -18,9 +18,11 @@
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/cxfa_ffwidget.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
+#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_measurement.h"
 #include "xfa/fxfa/parser/cxfa_node.h"
 #include "xfa/fxfa/parser/cxfa_object.h"
+#include "xfa/fxfa/parser/cxfa_occurdata.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 
 namespace {
@@ -148,6 +150,12 @@ CJS_Return CJX_Object::RunMethod(
                     params);
 }
 
+void CJX_Object::ThrowTooManyOccurancesException(const WideString& obj) const {
+  ThrowException(
+      L"The element [%ls] has violated its allowable number of occurrences.",
+      obj.c_str());
+}
+
 void CJX_Object::ThrowInvalidPropertyException() const {
   ThrowException(L"Invalid property set operation.");
 }
@@ -1688,3 +1696,483 @@ int32_t CJX_Object::Subform_and_SubformSet_InstanceIndex() {
   }
   return index;
 }
+
+void CJX_Object::Script_NodeClass_Ns(CFXJSE_Value* pValue,
+                                     bool bSetting,
+                                     XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  pValue->SetString(
+      TryNamespace().value_or(WideString()).UTF8Encode().AsStringView());
+}
+
+void CJX_Object::Script_NodeClass_Model(CFXJSE_Value* pValue,
+                                        bool bSetting,
+                                        XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+
+  pValue->Assign(GetDocument()->GetScriptContext()->GetJSValueFromMap(
+      ToNode(GetXFAObject())->GetModelNode()));
+}
+
+void CJX_Object::Script_NodeClass_IsContainer(CFXJSE_Value* pValue,
+                                              bool bSetting,
+                                              XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+
+  pValue->SetBoolean(GetXFAObject()->IsContainerNode());
+}
+
+void CJX_Object::Script_NodeClass_IsNull(CFXJSE_Value* pValue,
+                                         bool bSetting,
+                                         XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  if (ToNode(GetXFAObject())->GetElementType() == XFA_Element::Subform) {
+    pValue->SetBoolean(false);
+    return;
+  }
+  pValue->SetBoolean(GetContent(false).IsEmpty());
+}
+
+void CJX_Object::Script_NodeClass_OneOfChild(CFXJSE_Value* pValue,
+                                             bool bSetting,
+                                             XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+
+  std::vector<CXFA_Node*> properties =
+      ToNode(GetXFAObject())
+          ->GetNodeList(XFA_NODEFILTER_OneOfProperty, XFA_Element::Unknown);
+  if (!properties.empty()) {
+    pValue->Assign(GetDocument()->GetScriptContext()->GetJSValueFromMap(
+        properties.front()));
+  }
+}
+
+void CJX_Object::Script_ModelClass_Context(CFXJSE_Value* pValue,
+                                           bool bSetting,
+                                           XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_ModelClass_AliasNode(CFXJSE_Value* pValue,
+                                             bool bSetting,
+                                             XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Delta_CurrentValue(CFXJSE_Value* pValue,
+                                           bool bSetting,
+                                           XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Delta_SavedValue(CFXJSE_Value* pValue,
+                                         bool bSetting,
+                                         XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Delta_Target(CFXJSE_Value* pValue,
+                                     bool bSetting,
+                                     XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Field_Length(CFXJSE_Value* pValue,
+                                     bool bSetting,
+                                     XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  if (!widget_data_) {
+    pValue->SetInteger(0);
+    return;
+  }
+  pValue->SetInteger(widget_data_->CountChoiceListItems(true));
+}
+
+void CJX_Object::Script_Field_EditValue(CFXJSE_Value* pValue,
+                                        bool bSetting,
+                                        XFA_Attribute eAttribute) {
+  if (!widget_data_)
+    return;
+
+  if (bSetting) {
+    widget_data_->SetValue(XFA_VALUEPICTURE_Edit, pValue->ToWideString());
+    return;
+  }
+  pValue->SetString(widget_data_->GetValue(XFA_VALUEPICTURE_Edit)
+                        .UTF8Encode()
+                        .AsStringView());
+}
+
+void CJX_Object::Script_Field_FormattedValue(CFXJSE_Value* pValue,
+                                             bool bSetting,
+                                             XFA_Attribute eAttribute) {
+  if (!widget_data_)
+    return;
+
+  if (bSetting) {
+    widget_data_->SetValue(XFA_VALUEPICTURE_Display, pValue->ToWideString());
+    return;
+  }
+  pValue->SetString(widget_data_->GetValue(XFA_VALUEPICTURE_Display)
+                        .UTF8Encode()
+                        .AsStringView());
+}
+
+void CJX_Object::Script_Field_ParentSubform(CFXJSE_Value* pValue,
+                                            bool bSetting,
+                                            XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  pValue->SetNull();
+}
+
+void CJX_Object::Script_Field_SelectedIndex(CFXJSE_Value* pValue,
+                                            bool bSetting,
+                                            XFA_Attribute eAttribute) {
+  if (!widget_data_)
+    return;
+
+  if (!bSetting) {
+    pValue->SetInteger(widget_data_->GetSelectedItem(0));
+    return;
+  }
+
+  int32_t iIndex = pValue->ToInteger();
+  if (iIndex == -1) {
+    widget_data_->ClearAllSelections();
+    return;
+  }
+
+  widget_data_->SetItemState(iIndex, true, true, true, true);
+}
+
+void CJX_Object::Script_ExclGroup_ErrorText(CFXJSE_Value* pValue,
+                                            bool bSetting,
+                                            XFA_Attribute eAttribute) {
+  if (bSetting)
+    ThrowInvalidPropertyException();
+}
+
+void CJX_Object::Script_ExclGroup_DefaultAndRawValue(CFXJSE_Value* pValue,
+                                                     bool bSetting,
+                                                     XFA_Attribute eAttribute) {
+  if (!widget_data_)
+    return;
+
+  if (bSetting) {
+    widget_data_->SetSelectedMemberByValue(
+        pValue->ToWideString().AsStringView(), true, true, true);
+    return;
+  }
+
+  WideString wsValue = GetContent(true);
+  XFA_VERSION curVersion = GetDocument()->GetCurVersionMode();
+  if (wsValue.IsEmpty() && curVersion >= XFA_VERSION_300) {
+    pValue->SetNull();
+    return;
+  }
+  pValue->SetString(wsValue.UTF8Encode().AsStringView());
+}
+
+void CJX_Object::Script_ExclGroup_Transient(CFXJSE_Value* pValue,
+                                            bool bSetting,
+                                            XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Subform_InstanceManager(CFXJSE_Value* pValue,
+                                                bool bSetting,
+                                                XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+
+  WideString wsName = GetCData(XFA_Attribute::Name);
+  CXFA_Node* pInstanceMgr = nullptr;
+  for (CXFA_Node* pNode =
+           ToNode(GetXFAObject())->GetNodeItem(XFA_NODEITEM_PrevSibling);
+       pNode; pNode = pNode->GetNodeItem(XFA_NODEITEM_PrevSibling)) {
+    if (pNode->GetElementType() == XFA_Element::InstanceManager) {
+      WideString wsInstMgrName = pNode->JSNode()->GetCData(XFA_Attribute::Name);
+      if (wsInstMgrName.GetLength() >= 1 && wsInstMgrName[0] == '_' &&
+          wsInstMgrName.Right(wsInstMgrName.GetLength() - 1) == wsName) {
+        pInstanceMgr = pNode;
+      }
+      break;
+    }
+  }
+  if (!pInstanceMgr) {
+    pValue->SetNull();
+    return;
+  }
+
+  pValue->Assign(
+      GetDocument()->GetScriptContext()->GetJSValueFromMap(pInstanceMgr));
+}
+
+void CJX_Object::Script_Subform_Locale(CFXJSE_Value* pValue,
+                                       bool bSetting,
+                                       XFA_Attribute eAttribute) {
+  if (bSetting) {
+    SetCData(XFA_Attribute::Locale, pValue->ToWideString(), true, true);
+    return;
+  }
+
+  WideString wsLocaleName;
+  ToNode(GetXFAObject())->GetLocaleName(wsLocaleName);
+  pValue->SetString(wsLocaleName.UTF8Encode().AsStringView());
+}
+
+void CJX_Object::Script_InstanceManager_Max(CFXJSE_Value* pValue,
+                                            bool bSetting,
+                                            XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  pValue->SetInteger(
+      CXFA_OccurData(ToNode(GetXFAObject())->GetOccurNode()).GetMax());
+}
+
+void CJX_Object::Script_InstanceManager_Min(CFXJSE_Value* pValue,
+                                            bool bSetting,
+                                            XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  pValue->SetInteger(
+      CXFA_OccurData(ToNode(GetXFAObject())->GetOccurNode()).GetMin());
+}
+
+void CJX_Object::Script_InstanceManager_Count(CFXJSE_Value* pValue,
+                                              bool bSetting,
+                                              XFA_Attribute eAttribute) {
+  if (bSetting) {
+    pValue->SetInteger(ToNode(GetXFAObject())->GetCount());
+    return;
+  }
+  InstanceManager_SetInstances(pValue->ToInteger());
+}
+
+void CJX_Object::Script_Occur_Max(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute) {
+  CXFA_OccurData occurData(ToNode(GetXFAObject()));
+  if (!bSetting) {
+    pValue->SetInteger(occurData.GetMax());
+    return;
+  }
+  occurData.SetMax(pValue->ToInteger());
+}
+
+void CJX_Object::Script_Occur_Min(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute) {
+  CXFA_OccurData occurData(ToNode(GetXFAObject()));
+  if (!bSetting) {
+    pValue->SetInteger(occurData.GetMin());
+    return;
+  }
+  occurData.SetMin(pValue->ToInteger());
+}
+
+void CJX_Object::Script_Form_Checksum(CFXJSE_Value* pValue,
+                                      bool bSetting,
+                                      XFA_Attribute eAttribute) {
+  if (bSetting) {
+    SetAttribute(XFA_Attribute::Checksum, pValue->ToWideString().AsStringView(),
+                 false);
+    return;
+  }
+
+  pdfium::Optional<WideString> checksum =
+      TryAttribute(XFA_Attribute::Checksum, false);
+  pValue->SetString(checksum ? checksum->UTF8Encode().AsStringView() : "");
+}
+
+void CJX_Object::Script_Packet_Content(CFXJSE_Value* pValue,
+                                       bool bSetting,
+                                       XFA_Attribute eAttribute) {
+  CFX_XMLNode* pXMLNode = ToNode(GetXFAObject())->GetXMLMappingNode();
+  if (bSetting) {
+    if (pXMLNode && pXMLNode->GetType() == FX_XMLNODE_Element) {
+      CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
+      pXMLElement->SetTextData(pValue->ToWideString());
+    }
+    return;
+  }
+
+  WideString wsTextData;
+  if (pXMLNode && pXMLNode->GetType() == FX_XMLNODE_Element) {
+    CFX_XMLElement* pXMLElement = static_cast<CFX_XMLElement*>(pXMLNode);
+    wsTextData = pXMLElement->GetTextData();
+  }
+
+  pValue->SetString(wsTextData.UTF8Encode().AsStringView());
+}
+
+void CJX_Object::Script_Source_Db(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Xfa_This(CFXJSE_Value* pValue,
+                                 bool bSetting,
+                                 XFA_Attribute eAttribute) {
+  if (bSetting)
+    return;
+
+  CXFA_Object* pThis = GetDocument()->GetScriptContext()->GetThisObject();
+  ASSERT(pThis);
+  pValue->Assign(GetDocument()->GetScriptContext()->GetJSValueFromMap(pThis));
+}
+
+void CJX_Object::Script_Handler_Version(CFXJSE_Value* pValue,
+                                        bool bSetting,
+                                        XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_SubmitFormat_Mode(CFXJSE_Value* pValue,
+                                          bool bSetting,
+                                          XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Extras_Type(CFXJSE_Value* pValue,
+                                    bool bSetting,
+                                    XFA_Attribute eAttribute) {}
+
+void CJX_Object::Script_Script_Stateless(CFXJSE_Value* pValue,
+                                         bool bSetting,
+                                         XFA_Attribute eAttribute) {
+  if (bSetting) {
+    ThrowInvalidPropertyException();
+    return;
+  }
+  pValue->SetString(FX_UTF8Encode(WideStringView(L"0", 1)).AsStringView());
+}
+
+void CJX_Object::Script_Encrypt_Format(CFXJSE_Value* pValue,
+                                       bool bSetting,
+                                       XFA_Attribute eAttribute) {}
+
+pdfium::Optional<WideString> CJX_Object::TryNamespace() {
+  if (ToNode(GetXFAObject())->IsModelNode() ||
+      ToNode(GetXFAObject())->GetElementType() == XFA_Element::Packet) {
+    CFX_XMLNode* pXMLNode = ToNode(GetXFAObject())->GetXMLMappingNode();
+    if (!pXMLNode || pXMLNode->GetType() != FX_XMLNODE_Element)
+      return {};
+
+    return {static_cast<CFX_XMLElement*>(pXMLNode)->GetNamespaceURI()};
+  }
+
+  if (ToNode(GetXFAObject())->GetPacketType() != XFA_PacketType::Datasets)
+    return ToNode(GetXFAObject())->GetModelNode()->JSNode()->TryNamespace();
+
+  CFX_XMLNode* pXMLNode = ToNode(GetXFAObject())->GetXMLMappingNode();
+  if (!pXMLNode || pXMLNode->GetType() != FX_XMLNODE_Element)
+    return {};
+
+  if (ToNode(GetXFAObject())->GetElementType() == XFA_Element::DataValue &&
+      GetEnum(XFA_Attribute::Contains) == XFA_AttributeEnum::MetaData) {
+    WideString wsNamespace;
+    bool ret = XFA_FDEExtension_ResolveNamespaceQualifier(
+        static_cast<CFX_XMLElement*>(pXMLNode),
+        GetCData(XFA_Attribute::QualifiedName), &wsNamespace);
+    if (!ret)
+      return {};
+    return {wsNamespace};
+  }
+  return {static_cast<CFX_XMLElement*>(pXMLNode)->GetNamespaceURI()};
+}
+
+int32_t CJX_Object::InstanceManager_SetInstances(int32_t iDesired) {
+  CXFA_OccurData occurData(ToNode(GetXFAObject())->GetOccurNode());
+  if (iDesired < occurData.GetMin()) {
+    ThrowTooManyOccurancesException(L"min");
+    return 1;
+  }
+
+  int32_t iMax = occurData.GetMax();
+  if (iMax >= 0 && iDesired > iMax) {
+    ThrowTooManyOccurancesException(L"max");
+    return 2;
+  }
+
+  int32_t iCount = ToNode(GetXFAObject())->GetCount();
+  if (iDesired == iCount)
+    return 0;
+
+  if (iDesired < iCount) {
+    WideString wsInstManagerName = GetCData(XFA_Attribute::Name);
+    WideString wsInstanceName = WideString(
+        wsInstManagerName.IsEmpty()
+            ? wsInstManagerName
+            : wsInstManagerName.Right(wsInstManagerName.GetLength() - 1));
+    uint32_t dInstanceNameHash =
+        FX_HashCode_GetW(wsInstanceName.AsStringView(), false);
+    CXFA_Node* pPrevSibling =
+        iDesired == 0 ? ToNode(GetXFAObject())
+                      : ToNode(GetXFAObject())->GetItem(iDesired - 1);
+    while (iCount > iDesired) {
+      CXFA_Node* pRemoveInstance =
+          pPrevSibling->GetNodeItem(XFA_NODEITEM_NextSibling);
+      if (pRemoveInstance->GetElementType() != XFA_Element::Subform &&
+          pRemoveInstance->GetElementType() != XFA_Element::SubformSet) {
+        continue;
+      }
+      if (pRemoveInstance->GetElementType() == XFA_Element::InstanceManager) {
+        NOTREACHED();
+        break;
+      }
+      if (pRemoveInstance->GetNameHash() == dInstanceNameHash) {
+        ToNode(GetXFAObject())->RemoveItem(pRemoveInstance, true);
+        iCount--;
+      }
+    }
+  } else {
+    while (iCount < iDesired) {
+      CXFA_Node* pNewInstance = ToNode(GetXFAObject())->CreateInstance(true);
+      ToNode(GetXFAObject())->InsertItem(pNewInstance, iCount, iCount, false);
+      iCount++;
+      CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
+      if (!pNotify)
+        return 0;
+
+      pNotify->RunNodeInitialize(pNewInstance);
+    }
+  }
+
+  CXFA_LayoutProcessor* pLayoutPro = GetDocument()->GetLayoutProcessor();
+  if (pLayoutPro) {
+    pLayoutPro->AddChangedContainer(
+        ToNode(GetDocument()->GetXFAObject(XFA_HASHCODE_Form)));
+  }
+  return 0;
+}
+
+int32_t CJX_Object::InstanceManager_MoveInstance(int32_t iTo, int32_t iFrom) {
+  int32_t iCount = ToNode(GetXFAObject())->GetCount();
+  if (iFrom > iCount || iTo > iCount - 1) {
+    ThrowIndexOutOfBoundsException();
+    return 1;
+  }
+  if (iFrom < 0 || iTo < 0 || iFrom == iTo)
+    return 0;
+
+  CXFA_Node* pMoveInstance = ToNode(GetXFAObject())->GetItem(iFrom);
+  ToNode(GetXFAObject())->RemoveItem(pMoveInstance, false);
+  ToNode(GetXFAObject())->InsertItem(pMoveInstance, iTo, iCount - 1, true);
+  CXFA_LayoutProcessor* pLayoutPro = GetDocument()->GetLayoutProcessor();
+  if (pLayoutPro) {
+    pLayoutPro->AddChangedContainer(
+        ToNode(GetDocument()->GetXFAObject(XFA_HASHCODE_Form)));
+  }
+  return 0;
+}
diff --git a/fxjs/xfa/cjx_object.h b/fxjs/xfa/cjx_object.h
index 10146f4ef9..cb1fef62da 100644
--- a/fxjs/xfa/cjx_object.h
+++ b/fxjs/xfa/cjx_object.h
@@ -141,6 +141,116 @@ class CJX_Object {
                                 bool bSetting,
                                 XFA_Attribute eAttribute);
 
+  void Script_NodeClass_Ns(CFXJSE_Value* pValue,
+                           bool bSetting,
+                           XFA_Attribute eAttribute);
+  void Script_NodeClass_Model(CFXJSE_Value* pValue,
+                              bool bSetting,
+                              XFA_Attribute eAttribute);
+  void Script_NodeClass_IsContainer(CFXJSE_Value* pValue,
+                                    bool bSetting,
+                                    XFA_Attribute eAttribute);
+  void Script_NodeClass_IsNull(CFXJSE_Value* pValue,
+                               bool bSetting,
+                               XFA_Attribute eAttribute);
+  void Script_NodeClass_OneOfChild(CFXJSE_Value* pValue,
+                                   bool bSetting,
+                                   XFA_Attribute eAttribute);
+  void Script_ModelClass_Context(CFXJSE_Value* pValue,
+                                 bool bSetting,
+                                 XFA_Attribute eAttribute);
+  void Script_ModelClass_AliasNode(CFXJSE_Value* pValue,
+                                   bool bSetting,
+                                   XFA_Attribute eAttribute);
+  void Script_Delta_CurrentValue(CFXJSE_Value* pValue,
+                                 bool bSetting,
+                                 XFA_Attribute eAttribute);
+  void Script_Delta_SavedValue(CFXJSE_Value* pValue,
+                               bool bSetting,
+                               XFA_Attribute eAttribute);
+  void Script_Delta_Target(CFXJSE_Value* pValue,
+                           bool bSetting,
+                           XFA_Attribute eAttribute);
+  void Script_Field_Length(CFXJSE_Value* pValue,
+                           bool bSetting,
+                           XFA_Attribute eAttribute);
+  void Script_Field_EditValue(CFXJSE_Value* pValue,
+                              bool bSetting,
+                              XFA_Attribute eAttribute);
+  void Script_Field_FormattedValue(CFXJSE_Value* pValue,
+                                   bool bSetting,
+                                   XFA_Attribute eAttribute);
+  void Script_Field_ParentSubform(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute);
+  void Script_Field_SelectedIndex(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute);
+  void Script_ExclGroup_DefaultAndRawValue(CFXJSE_Value* pValue,
+                                           bool bSetting,
+                                           XFA_Attribute eAttribute);
+  void Script_ExclGroup_ErrorText(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute);
+  void Script_ExclGroup_Transient(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute);
+
+  void Script_Subform_InstanceManager(CFXJSE_Value* pValue,
+                                      bool bSetting,
+                                      XFA_Attribute eAttribute);
+  void Script_Subform_Locale(CFXJSE_Value* pValue,
+                             bool bSetting,
+                             XFA_Attribute eAttribute);
+  void Script_InstanceManager_Count(CFXJSE_Value* pValue,
+                                    bool bSetting,
+                                    XFA_Attribute eAttribute);
+  void Script_InstanceManager_Max(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute);
+  void Script_InstanceManager_Min(CFXJSE_Value* pValue,
+                                  bool bSetting,
+                                  XFA_Attribute eAttribute);
+
+  void Script_Occur_Max(CFXJSE_Value* pValue,
+                        bool bSetting,
+                        XFA_Attribute eAttribute);
+  void Script_Occur_Min(CFXJSE_Value* pValue,
+                        bool bSetting,
+                        XFA_Attribute eAttribute);
+
+  void Script_Form_Checksum(CFXJSE_Value* pValue,
+                            bool bSetting,
+                            XFA_Attribute eAttribute);
+
+  void Script_Packet_Content(CFXJSE_Value* pValue,
+                             bool bSetting,
+                             XFA_Attribute eAttribute);
+
+  void Script_Source_Db(CFXJSE_Value* pValue,
+                        bool bSetting,
+                        XFA_Attribute eAttribute);
+  void Script_Xfa_This(CFXJSE_Value* pValue,
+                       bool bSetting,
+                       XFA_Attribute eAttribute);
+  void Script_Handler_Version(CFXJSE_Value* pValue,
+                              bool bSetting,
+                              XFA_Attribute eAttribute);
+  void Script_SubmitFormat_Mode(CFXJSE_Value* pValue,
+                                bool bSetting,
+                                XFA_Attribute eAttribute);
+  void Script_Extras_Type(CFXJSE_Value* pValue,
+                          bool bSetting,
+                          XFA_Attribute eAttribute);
+  void Script_Encrypt_Format(CFXJSE_Value* pValue,
+                             bool bSetting,
+                             XFA_Attribute eAttribute);
+  void Script_Script_Stateless(CFXJSE_Value* pValue,
+                               bool bSetting,
+                               XFA_Attribute eAttribute);
+
+  pdfium::Optional<WideString> TryNamespace();
+
   pdfium::Optional<int32_t> TryInteger(XFA_Attribute eAttr, bool bUseDefault);
   bool SetInteger(XFA_Attribute eAttr, int32_t iValue, bool bNotify);
   int32_t GetInteger(XFA_Attribute eAttr);
@@ -176,10 +286,14 @@ class CJX_Object {
   CXFA_CalcData* GetCalcData() const { return calc_data_.get(); }
   std::unique_ptr<CXFA_CalcData> ReleaseCalcData();
 
+  int32_t InstanceManager_SetInstances(int32_t iDesired);
+  int32_t InstanceManager_MoveInstance(int32_t iTo, int32_t iFrom);
+
   void ThrowInvalidPropertyException() const;
   void ThrowArgumentMismatchException() const;
   void ThrowIndexOutOfBoundsException() const;
   void ThrowParamCountMismatchException(const WideString& method) const;
+  void ThrowTooManyOccurancesException(const WideString& obj) const;
 
  protected:
   void DefineMethods(const CJX_MethodSpec method_specs[], size_t count);