| // Copyright 2014 The PDFium Authors | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 
 |  | 
 | #include "xfa/fxfa/parser/cxfa_document.h" | 
 |  | 
 | #include <set> | 
 | #include <utility> | 
 |  | 
 | #include "core/fxcrt/fx_extension.h" | 
 | #include "core/fxcrt/stl_util.h" | 
 | #include "core/fxcrt/xml/cfx_xmldocument.h" | 
 | #include "core/fxcrt/xml/cfx_xmlelement.h" | 
 | #include "fxjs/gc/container_trace.h" | 
 | #include "fxjs/xfa/cfxjse_engine.h" | 
 | #include "fxjs/xfa/cfxjse_resolveprocessor.h" | 
 | #include "fxjs/xfa/cjx_object.h" | 
 | #include "third_party/base/check.h" | 
 | #include "third_party/base/check_op.h" | 
 | #include "third_party/base/notreached.h" | 
 | #include "xfa/fxfa/cxfa_ffdoc.h" | 
 | #include "xfa/fxfa/cxfa_ffnotify.h" | 
 | #include "xfa/fxfa/parser/cscript_datawindow.h" | 
 | #include "xfa/fxfa/parser/cscript_eventpseudomodel.h" | 
 | #include "xfa/fxfa/parser/cscript_hostpseudomodel.h" | 
 | #include "xfa/fxfa/parser/cscript_layoutpseudomodel.h" | 
 | #include "xfa/fxfa/parser/cscript_logpseudomodel.h" | 
 | #include "xfa/fxfa/parser/cscript_signaturepseudomodel.h" | 
 | #include "xfa/fxfa/parser/cxfa_bind.h" | 
 | #include "xfa/fxfa/parser/cxfa_datagroup.h" | 
 | #include "xfa/fxfa/parser/cxfa_exdata.h" | 
 | #include "xfa/fxfa/parser/cxfa_form.h" | 
 | #include "xfa/fxfa/parser/cxfa_image.h" | 
 | #include "xfa/fxfa/parser/cxfa_interactive.h" | 
 | #include "xfa/fxfa/parser/cxfa_items.h" | 
 | #include "xfa/fxfa/parser/cxfa_localemgr.h" | 
 | #include "xfa/fxfa/parser/cxfa_node.h" | 
 | #include "xfa/fxfa/parser/cxfa_occur.h" | 
 | #include "xfa/fxfa/parser/cxfa_pageset.h" | 
 | #include "xfa/fxfa/parser/cxfa_pdf.h" | 
 | #include "xfa/fxfa/parser/cxfa_present.h" | 
 | #include "xfa/fxfa/parser/cxfa_subform.h" | 
 | #include "xfa/fxfa/parser/cxfa_template.h" | 
 | #include "xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h" | 
 | #include "xfa/fxfa/parser/cxfa_traversestrategy_xfanode.h" | 
 | #include "xfa/fxfa/parser/cxfa_value.h" | 
 | #include "xfa/fxfa/parser/xfa_document_datamerger_imp.h" | 
 | #include "xfa/fxfa/parser/xfa_utils.h" | 
 |  | 
 | namespace { | 
 |  | 
 | const wchar_t kTemplateNS[] = L"http://www.xfa.org/schema/xfa-template/"; | 
 |  | 
 | struct RecurseRecord { | 
 |   cppgc::Persistent<CXFA_Node> pTemplateChild; | 
 |   cppgc::Persistent<CXFA_Node> pDataChild; | 
 | }; | 
 |  | 
 | class CXFA_TraverseStrategy_DDGroup { | 
 |  public: | 
 |   static CXFA_Node* GetFirstChild(CXFA_Node* pDDGroupNode) { | 
 |     return pDDGroupNode->GetFirstChildByName(XFA_HASHCODE_Group); | 
 |   } | 
 |   static CXFA_Node* GetNextSibling(CXFA_Node* pDDGroupNode) { | 
 |     return pDDGroupNode->GetNextSameNameSibling(XFA_HASHCODE_Group); | 
 |   } | 
 |   static CXFA_Node* GetParent(CXFA_Node* pDDGroupNode) { | 
 |     return pDDGroupNode->GetParent(); | 
 |   } | 
 | }; | 
 |  | 
 | void FormValueNode_MatchNoneCreateChild(CXFA_Node* pFormNode) { | 
 |   DCHECK(pFormNode->IsWidgetReady()); | 
 |   // GetUIChildNode has the side effect of creating the UI child. | 
 |   pFormNode->GetUIChildNode(); | 
 | } | 
 |  | 
 | CXFA_Node* FormValueNode_CreateChild(CXFA_Node* pValueNode, XFA_Element iType) { | 
 |   CXFA_Node* pChildNode = pValueNode->GetFirstChild(); | 
 |   if (!pChildNode) { | 
 |     if (iType == XFA_Element::Unknown) | 
 |       return nullptr; | 
 |  | 
 |     pChildNode = | 
 |         pValueNode->JSObject()->GetOrCreateProperty<CXFA_Node>(0, iType); | 
 |   } | 
 |   return pChildNode; | 
 | } | 
 |  | 
 | void FormValueNode_SetChildContent(CXFA_Node* pValueNode, | 
 |                                    const WideString& wsContent, | 
 |                                    XFA_Element iType) { | 
 |   if (!pValueNode) | 
 |     return; | 
 |  | 
 |   DCHECK_EQ(pValueNode->GetPacketType(), XFA_PacketType::Form); | 
 |   CXFA_Node* pChildNode = FormValueNode_CreateChild(pValueNode, iType); | 
 |   if (!pChildNode) | 
 |     return; | 
 |  | 
 |   switch (pChildNode->GetObjectType()) { | 
 |     case XFA_ObjectType::ContentNode: { | 
 |       CXFA_Node* pContentRawDataNode = pChildNode->GetFirstChild(); | 
 |       if (!pContentRawDataNode) { | 
 |         XFA_Element element = XFA_Element::Sharptext; | 
 |         if (pChildNode->GetElementType() == XFA_Element::ExData) { | 
 |           absl::optional<WideString> contentType = | 
 |               pChildNode->JSObject()->TryAttribute(XFA_Attribute::ContentType, | 
 |                                                    false); | 
 |           if (contentType.has_value()) { | 
 |             if (contentType.value().EqualsASCII("text/html")) | 
 |               element = XFA_Element::SharpxHTML; | 
 |             else if (contentType.value().EqualsASCII("text/xml")) | 
 |               element = XFA_Element::Sharpxml; | 
 |           } | 
 |         } | 
 |         pContentRawDataNode = pChildNode->CreateSamePacketNode(element); | 
 |         pChildNode->InsertChildAndNotify(pContentRawDataNode, nullptr); | 
 |       } | 
 |       pContentRawDataNode->JSObject()->SetCData(XFA_Attribute::Value, | 
 |                                                 wsContent); | 
 |       break; | 
 |     } | 
 |     case XFA_ObjectType::NodeC: | 
 |     case XFA_ObjectType::TextNode: | 
 |     case XFA_ObjectType::NodeV: { | 
 |       pChildNode->JSObject()->SetCData(XFA_Attribute::Value, wsContent); | 
 |       break; | 
 |     } | 
 |     default: | 
 |       break; | 
 |   } | 
 | } | 
 |  | 
 | void MergeNodeRecurse(CXFA_Node* pDestNodeParent, CXFA_Node* pProtoNode) { | 
 |   CXFA_Node* pExistingNode = nullptr; | 
 |   for (CXFA_Node* pFormChild = pDestNodeParent->GetFirstChild(); pFormChild; | 
 |        pFormChild = pFormChild->GetNextSibling()) { | 
 |     if (pFormChild->GetElementType() == pProtoNode->GetElementType() && | 
 |         pFormChild->GetNameHash() == pProtoNode->GetNameHash() && | 
 |         pFormChild->IsUnusedNode()) { | 
 |       pFormChild->ClearFlag(XFA_NodeFlag::kUnusedNode); | 
 |       pExistingNode = pFormChild; | 
 |       break; | 
 |     } | 
 |   } | 
 |  | 
 |   if (pExistingNode) { | 
 |     pExistingNode->SetTemplateNode(pProtoNode); | 
 |     for (CXFA_Node* pTemplateChild = pProtoNode->GetFirstChild(); | 
 |          pTemplateChild; pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |       MergeNodeRecurse(pExistingNode, pTemplateChild); | 
 |     } | 
 |     return; | 
 |   } | 
 |   CXFA_Node* pNewNode = pProtoNode->Clone(true); | 
 |   pNewNode->SetTemplateNode(pProtoNode); | 
 |   pDestNodeParent->InsertChildAndNotify(pNewNode, nullptr); | 
 | } | 
 |  | 
 | void MergeNode(CXFA_Node* pDestNode, CXFA_Node* pProtoNode) { | 
 |   { | 
 |     CXFA_NodeIterator sIterator(pDestNode); | 
 |     for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode; | 
 |          pNode = sIterator.MoveToNext()) { | 
 |       pNode->SetFlag(XFA_NodeFlag::kUnusedNode); | 
 |     } | 
 |   } | 
 |   pDestNode->SetTemplateNode(pProtoNode); | 
 |   for (CXFA_Node* pTemplateChild = pProtoNode->GetFirstChild(); pTemplateChild; | 
 |        pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |     MergeNodeRecurse(pDestNode, pTemplateChild); | 
 |   } | 
 |   { | 
 |     CXFA_NodeIterator sIterator(pDestNode); | 
 |     for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode; | 
 |          pNode = sIterator.MoveToNext()) { | 
 |       pNode->ClearFlag(XFA_NodeFlag::kUnusedNode); | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | CXFA_Node* CloneOrMergeInstanceManager(CXFA_Document* pDocument, | 
 |                                        CXFA_Node* pFormParent, | 
 |                                        CXFA_Node* pTemplateNode, | 
 |                                        std::vector<CXFA_Node*>* subforms) { | 
 |   WideString wsSubformName = | 
 |       pTemplateNode->JSObject()->GetCData(XFA_Attribute::Name); | 
 |   WideString wsInstMgrNodeName = L"_" + wsSubformName; | 
 |   uint32_t dwInstNameHash = FX_HashCode_GetW(wsInstMgrNodeName.AsStringView()); | 
 |   CXFA_Node* pExistingNode = XFA_DataMerge_FindFormDOMInstance( | 
 |       pDocument, XFA_Element::InstanceManager, dwInstNameHash, pFormParent); | 
 |   if (pExistingNode) { | 
 |     uint32_t dwNameHash = pTemplateNode->GetNameHash(); | 
 |     for (CXFA_Node* pNode = pExistingNode->GetNextSibling(); pNode;) { | 
 |       XFA_Element eCurType = pNode->GetElementType(); | 
 |       if (eCurType == XFA_Element::InstanceManager) | 
 |         break; | 
 |  | 
 |       if ((eCurType != XFA_Element::Subform) && | 
 |           (eCurType != XFA_Element::SubformSet)) { | 
 |         pNode = pNode->GetNextSibling(); | 
 |         continue; | 
 |       } | 
 |       if (dwNameHash != pNode->GetNameHash()) | 
 |         break; | 
 |  | 
 |       CXFA_Node* pNextNode = pNode->GetNextSibling(); | 
 |       pFormParent->RemoveChildAndNotify(pNode, true); | 
 |       subforms->push_back(pNode); | 
 |       pNode = pNextNode; | 
 |     } | 
 |     pFormParent->RemoveChildAndNotify(pExistingNode, true); | 
 |     pFormParent->InsertChildAndNotify(pExistingNode, nullptr); | 
 |     pExistingNode->ClearFlag(XFA_NodeFlag::kUnusedNode); | 
 |     pExistingNode->SetTemplateNode(pTemplateNode); | 
 |     return pExistingNode; | 
 |   } | 
 |  | 
 |   CXFA_Node* pNewNode = | 
 |       pDocument->CreateNode(XFA_PacketType::Form, XFA_Element::InstanceManager); | 
 |   wsInstMgrNodeName = | 
 |       L"_" + pTemplateNode->JSObject()->GetCData(XFA_Attribute::Name); | 
 |   pNewNode->JSObject()->SetCData(XFA_Attribute::Name, wsInstMgrNodeName); | 
 |   pFormParent->InsertChildAndNotify(pNewNode, nullptr); | 
 |   pNewNode->SetTemplateNode(pTemplateNode); | 
 |   return pNewNode; | 
 | } | 
 |  | 
 | void SortRecurseRecord(std::vector<RecurseRecord>* rgRecords, | 
 |                        CXFA_Node* pDataScope, | 
 |                        bool bChoiceMode) { | 
 |   std::vector<RecurseRecord> rgResultRecord; | 
 |   for (CXFA_Node* pNode = pDataScope->GetFirstChild(); pNode; | 
 |        pNode = pNode->GetNextSibling()) { | 
 |     auto it = std::find_if(rgRecords->begin(), rgRecords->end(), | 
 |                            [pNode](const RecurseRecord& record) { | 
 |                              return pNode == record.pDataChild; | 
 |                            }); | 
 |     if (it != rgRecords->end()) { | 
 |       rgResultRecord.push_back(*it); | 
 |       rgRecords->erase(it); | 
 |       if (bChoiceMode) | 
 |         break; | 
 |     } | 
 |   } | 
 |   if (rgResultRecord.empty()) | 
 |     return; | 
 |  | 
 |   if (!bChoiceMode) { | 
 |     rgResultRecord.insert(rgResultRecord.end(), rgRecords->begin(), | 
 |                           rgRecords->end()); | 
 |   } | 
 |   *rgRecords = rgResultRecord; | 
 | } | 
 |  | 
 | CXFA_Node* ScopeMatchGlobalBinding(CXFA_Node* pDataScope, | 
 |                                    uint32_t dwNameHash, | 
 |                                    XFA_Element eMatchDataNodeType, | 
 |                                    bool bUpLevel) { | 
 |   for (CXFA_Node *pCurDataScope = pDataScope, *pLastDataScope = nullptr; | 
 |        pCurDataScope && | 
 |        pCurDataScope->GetPacketType() == XFA_PacketType::Datasets; | 
 |        pLastDataScope = pCurDataScope, | 
 |                  pCurDataScope = pCurDataScope->GetParent()) { | 
 |     for (CXFA_Node* pDataChild = pCurDataScope->GetFirstChildByName(dwNameHash); | 
 |          pDataChild; | 
 |          pDataChild = pDataChild->GetNextSameNameSibling(dwNameHash)) { | 
 |       if (pDataChild == pLastDataScope || | 
 |           (eMatchDataNodeType != XFA_Element::DataModel && | 
 |            pDataChild->GetElementType() != eMatchDataNodeType) || | 
 |           pDataChild->HasBindItem()) { | 
 |         continue; | 
 |       } | 
 |       return pDataChild; | 
 |     } | 
 |  | 
 |     for (CXFA_DataGroup* pDataChild = | 
 |              pCurDataScope->GetFirstChildByClass<CXFA_DataGroup>( | 
 |                  XFA_Element::DataGroup); | 
 |          pDataChild; | 
 |          pDataChild = pDataChild->GetNextSameClassSibling<CXFA_DataGroup>( | 
 |              XFA_Element::DataGroup)) { | 
 |       CXFA_Node* pDataNode = ScopeMatchGlobalBinding(pDataChild, dwNameHash, | 
 |                                                      eMatchDataNodeType, false); | 
 |       if (pDataNode) | 
 |         return pDataNode; | 
 |     } | 
 |     if (!bUpLevel) | 
 |       break; | 
 |   } | 
 |   return nullptr; | 
 | } | 
 |  | 
 | CXFA_Node* FindGlobalDataNode(CXFA_Document* pDocument, | 
 |                               const WideString& wsName, | 
 |                               CXFA_Node* pDataScope, | 
 |                               XFA_Element eMatchNodeType) { | 
 |   if (wsName.IsEmpty()) | 
 |     return nullptr; | 
 |  | 
 |   uint32_t dwNameHash = FX_HashCode_GetW(wsName.AsStringView()); | 
 |   CXFA_Node* pBounded = pDocument->GetGlobalBinding(dwNameHash); | 
 |   if (!pBounded) { | 
 |     pBounded = | 
 |         ScopeMatchGlobalBinding(pDataScope, dwNameHash, eMatchNodeType, true); | 
 |     if (pBounded) | 
 |       pDocument->RegisterGlobalBinding(dwNameHash, pBounded); | 
 |   } | 
 |   return pBounded; | 
 | } | 
 |  | 
 | CXFA_Node* FindOnceDataNode(const WideString& wsName, | 
 |                             CXFA_Node* pDataScope, | 
 |                             XFA_Element eMatchNodeType) { | 
 |   if (wsName.IsEmpty()) | 
 |     return nullptr; | 
 |  | 
 |   uint32_t dwNameHash = FX_HashCode_GetW(wsName.AsStringView()); | 
 |   CXFA_Node* pLastDataScope = nullptr; | 
 |   for (CXFA_Node* pCurDataScope = pDataScope; | 
 |        pCurDataScope && | 
 |        pCurDataScope->GetPacketType() == XFA_PacketType::Datasets; | 
 |        pCurDataScope = pCurDataScope->GetParent()) { | 
 |     for (CXFA_Node* pDataChild = pCurDataScope->GetFirstChildByName(dwNameHash); | 
 |          pDataChild; | 
 |          pDataChild = pDataChild->GetNextSameNameSibling(dwNameHash)) { | 
 |       if (pDataChild == pLastDataScope || pDataChild->HasBindItem() || | 
 |           (eMatchNodeType != XFA_Element::DataModel && | 
 |            pDataChild->GetElementType() != eMatchNodeType)) { | 
 |         continue; | 
 |       } | 
 |       return pDataChild; | 
 |     } | 
 |     pLastDataScope = pCurDataScope; | 
 |   } | 
 |   return nullptr; | 
 | } | 
 |  | 
 | CXFA_Node* FindDataRefDataNode(CXFA_Document* pDocument, | 
 |                                const WideString& wsRef, | 
 |                                CXFA_Node* pDataScope, | 
 |                                XFA_Element eMatchNodeType, | 
 |                                CXFA_Node* pTemplateNode, | 
 |                                bool bForceBind, | 
 |                                bool bUpLevel) { | 
 |   Mask<XFA_ResolveFlag> dwFlags = {XFA_ResolveFlag::kChildren, | 
 |                                    XFA_ResolveFlag::kBindNew}; | 
 |   if (bUpLevel || !wsRef.EqualsASCII("name")) { | 
 |     dwFlags |= XFA_ResolveFlag::kParent; | 
 |     dwFlags |= XFA_ResolveFlag::kSiblings; | 
 |   } | 
 |   absl::optional<CFXJSE_Engine::ResolveResult> maybeResult = | 
 |       pDocument->GetScriptContext()->ResolveObjectsWithBindNode( | 
 |           pDataScope, wsRef.AsStringView(), dwFlags, pTemplateNode); | 
 |   if (!maybeResult.has_value()) | 
 |     return nullptr; | 
 |  | 
 |   if (maybeResult.value().type == | 
 |           CFXJSE_Engine::ResolveResult::Type::kCreateNodeAll || | 
 |       maybeResult.value().type == | 
 |           CFXJSE_Engine::ResolveResult::Type::kCreateNodeMidAll || | 
 |       maybeResult.value().objects.size() > 1) { | 
 |     return pDocument->GetNotBindNode(maybeResult.value().objects); | 
 |   } | 
 |  | 
 |   if (maybeResult.value().type == | 
 |       CFXJSE_Engine::ResolveResult::Type::kCreateNodeOne) { | 
 |     CXFA_Object* pObject = !maybeResult.value().objects.empty() | 
 |                                ? maybeResult.value().objects.front().Get() | 
 |                                : nullptr; | 
 |     CXFA_Node* pNode = ToNode(pObject); | 
 |     return (bForceBind || !pNode || !pNode->HasBindItem()) ? pNode : nullptr; | 
 |   } | 
 |   return nullptr; | 
 | } | 
 |  | 
 | CXFA_Node* FindMatchingDataNode( | 
 |     CXFA_Document* pDocument, | 
 |     CXFA_Node* pTemplateNode, | 
 |     CXFA_Node* pDataScope, | 
 |     bool& bAccessedDataDOM, | 
 |     bool bForceBind, | 
 |     CXFA_NodeIteratorTemplate<CXFA_Node, | 
 |                               CXFA_TraverseStrategy_XFAContainerNode>* | 
 |         pIterator, | 
 |     bool& bSelfMatch, | 
 |     XFA_AttributeValue& eBindMatch, | 
 |     bool bUpLevel) { | 
 |   CXFA_Node* pResult = nullptr; | 
 |   CXFA_Node* pCurTemplateNode = pIterator->GetCurrent(); | 
 |   while (pCurTemplateNode) { | 
 |     XFA_Element eMatchNodeType; | 
 |     switch (pCurTemplateNode->GetElementType()) { | 
 |       case XFA_Element::Subform: | 
 |         eMatchNodeType = XFA_Element::DataGroup; | 
 |         break; | 
 |       case XFA_Element::Field: { | 
 |         eMatchNodeType = XFA_FieldIsMultiListBox(pCurTemplateNode) | 
 |                              ? XFA_Element::DataGroup | 
 |                              : XFA_Element::DataValue; | 
 |       } break; | 
 |       case XFA_Element::ExclGroup: | 
 |         eMatchNodeType = XFA_Element::DataValue; | 
 |         break; | 
 |       default: | 
 |         pCurTemplateNode = pIterator->MoveToNext(); | 
 |         continue; | 
 |     } | 
 |  | 
 |     CXFA_Occur* pTemplateNodeOccur = | 
 |         pCurTemplateNode->GetFirstChildByClass<CXFA_Occur>(XFA_Element::Occur); | 
 |     if (pTemplateNodeOccur) { | 
 |       int32_t iMin; | 
 |       int32_t iMax; | 
 |       int32_t iInit; | 
 |       std::tie(iMin, iMax, iInit) = pTemplateNodeOccur->GetOccurInfo(); | 
 |       if (iMax == 0) { | 
 |         pCurTemplateNode = pIterator->MoveToNext(); | 
 |         continue; | 
 |       } | 
 |     } | 
 |  | 
 |     CXFA_Bind* pTemplateNodeBind = | 
 |         pCurTemplateNode->GetFirstChildByClass<CXFA_Bind>(XFA_Element::Bind); | 
 |     XFA_AttributeValue eMatch = | 
 |         pTemplateNodeBind | 
 |             ? pTemplateNodeBind->JSObject()->GetEnum(XFA_Attribute::Match) | 
 |             : XFA_AttributeValue::Once; | 
 |     eBindMatch = eMatch; | 
 |     switch (eMatch) { | 
 |       case XFA_AttributeValue::None: | 
 |         pCurTemplateNode = pIterator->MoveToNext(); | 
 |         continue; | 
 |       case XFA_AttributeValue::Global: | 
 |         bAccessedDataDOM = true; | 
 |         if (!bForceBind) { | 
 |           pCurTemplateNode = pIterator->MoveToNext(); | 
 |           continue; | 
 |         } | 
 |         if (eMatchNodeType == XFA_Element::DataValue || | 
 |             (eMatchNodeType == XFA_Element::DataGroup && | 
 |              XFA_FieldIsMultiListBox(pTemplateNodeBind))) { | 
 |           CXFA_Node* pGlobalBindNode = FindGlobalDataNode( | 
 |               pDocument, | 
 |               pCurTemplateNode->JSObject()->GetCData(XFA_Attribute::Name), | 
 |               pDataScope, eMatchNodeType); | 
 |           if (!pGlobalBindNode) { | 
 |             pCurTemplateNode = pIterator->MoveToNext(); | 
 |             continue; | 
 |           } | 
 |           pResult = pGlobalBindNode; | 
 |           break; | 
 |         } | 
 |         [[fallthrough]]; | 
 |       case XFA_AttributeValue::Once: { | 
 |         bAccessedDataDOM = true; | 
 |         CXFA_Node* pOnceBindNode = FindOnceDataNode( | 
 |             pCurTemplateNode->JSObject()->GetCData(XFA_Attribute::Name), | 
 |             pDataScope, eMatchNodeType); | 
 |         if (!pOnceBindNode) { | 
 |           pCurTemplateNode = pIterator->MoveToNext(); | 
 |           continue; | 
 |         } | 
 |         pResult = pOnceBindNode; | 
 |         break; | 
 |       } | 
 |       case XFA_AttributeValue::DataRef: { | 
 |         bAccessedDataDOM = true; | 
 |         CXFA_Node* pDataRefBindNode = FindDataRefDataNode( | 
 |             pDocument, | 
 |             pTemplateNodeBind->JSObject()->GetCData(XFA_Attribute::Ref), | 
 |             pDataScope, eMatchNodeType, pTemplateNode, bForceBind, bUpLevel); | 
 |         if (pDataRefBindNode && | 
 |             pDataRefBindNode->GetElementType() == eMatchNodeType) { | 
 |           pResult = pDataRefBindNode; | 
 |         } | 
 |         if (!pResult) { | 
 |           pCurTemplateNode = pIterator->SkipChildrenAndMoveToNext(); | 
 |           continue; | 
 |         } | 
 |         break; | 
 |       } | 
 |       default: | 
 |         break; | 
 |     } | 
 |     if (pCurTemplateNode == pTemplateNode && pResult) | 
 |       bSelfMatch = true; | 
 |     break; | 
 |   } | 
 |   return pResult; | 
 | } | 
 |  | 
 | void CreateDataBinding(CXFA_Node* pFormNode, | 
 |                        CXFA_Node* pDataNode, | 
 |                        bool bDataToForm) { | 
 |   pFormNode->SetBindingNode(pDataNode); | 
 |   pDataNode->AddBindItem(pFormNode); | 
 |   XFA_Element eType = pFormNode->GetElementType(); | 
 |   if (eType != XFA_Element::Field && eType != XFA_Element::ExclGroup) | 
 |     return; | 
 |  | 
 |   DCHECK(pFormNode->IsWidgetReady()); | 
 |   auto* defValue = pFormNode->JSObject()->GetOrCreateProperty<CXFA_Value>( | 
 |       0, XFA_Element::Value); | 
 |   if (!bDataToForm) { | 
 |     WideString wsValue; | 
 |     switch (pFormNode->GetFFWidgetType()) { | 
 |       case XFA_FFWidgetType::kImageEdit: { | 
 |         CXFA_Image* image = defValue ? defValue->GetImageIfExists() : nullptr; | 
 |         WideString wsContentType; | 
 |         WideString wsHref; | 
 |         if (image) { | 
 |           wsValue = image->GetContent(); | 
 |           wsContentType = image->GetContentType(); | 
 |           wsHref = image->GetHref(); | 
 |         } | 
 |         CFX_XMLElement* pXMLDataElement = | 
 |             ToXMLElement(pDataNode->GetXMLMappingNode()); | 
 |         DCHECK(pXMLDataElement); | 
 |         pDataNode->JSObject()->SetAttributeValue( | 
 |             wsValue, pFormNode->GetFormatDataValue(wsValue)); | 
 |         pDataNode->JSObject()->SetCData(XFA_Attribute::ContentType, | 
 |                                         wsContentType); | 
 |         if (!wsHref.IsEmpty()) | 
 |           pXMLDataElement->SetAttribute(L"href", wsHref); | 
 |  | 
 |         break; | 
 |       } | 
 |       case XFA_FFWidgetType::kChoiceList: | 
 |         wsValue = defValue ? defValue->GetChildValueContent() : WideString(); | 
 |         if (pFormNode->IsChoiceListMultiSelect()) { | 
 |           std::vector<WideString> wsSelTextArray = | 
 |               pFormNode->GetSelectedItemsValue(); | 
 |           if (!wsSelTextArray.empty()) { | 
 |             for (const auto& text : wsSelTextArray) { | 
 |               CXFA_Node* pValue = | 
 |                   pDataNode->CreateSamePacketNode(XFA_Element::DataValue); | 
 |               pValue->JSObject()->SetCData(XFA_Attribute::Name, L"value"); | 
 |               pValue->CreateXMLMappingNode(); | 
 |               pDataNode->InsertChildAndNotify(pValue, nullptr); | 
 |               pValue->JSObject()->SetCData(XFA_Attribute::Value, text); | 
 |             } | 
 |           } else { | 
 |             CFX_XMLElement* pElement = | 
 |                 ToXMLElement(pDataNode->GetXMLMappingNode()); | 
 |             pElement->SetAttribute(L"xfa:dataNode", L"dataGroup"); | 
 |           } | 
 |         } else if (!wsValue.IsEmpty()) { | 
 |           pDataNode->JSObject()->SetAttributeValue( | 
 |               wsValue, pFormNode->GetFormatDataValue(wsValue)); | 
 |         } | 
 |         break; | 
 |       case XFA_FFWidgetType::kCheckButton: | 
 |         wsValue = defValue ? defValue->GetChildValueContent() : WideString(); | 
 |         if (wsValue.IsEmpty()) | 
 |           break; | 
 |  | 
 |         pDataNode->JSObject()->SetAttributeValue( | 
 |             wsValue, pFormNode->GetFormatDataValue(wsValue)); | 
 |         break; | 
 |       case XFA_FFWidgetType::kExclGroup: { | 
 |         CXFA_Node* pChecked = nullptr; | 
 |         CXFA_Node* pChild = pFormNode->GetFirstChild(); | 
 |         for (; pChild; pChild = pChild->GetNextSibling()) { | 
 |           if (pChild->GetElementType() != XFA_Element::Field) | 
 |             continue; | 
 |  | 
 |           auto* pValue = | 
 |               pChild->GetChild<CXFA_Value>(0, XFA_Element::Value, false); | 
 |           if (!pValue) | 
 |             continue; | 
 |  | 
 |           wsValue = pValue->GetChildValueContent(); | 
 |           if (wsValue.IsEmpty()) | 
 |             continue; | 
 |  | 
 |           CXFA_Items* pItems = | 
 |               pChild->GetChild<CXFA_Items>(0, XFA_Element::Items, false); | 
 |           if (!pItems) | 
 |             continue; | 
 |  | 
 |           CXFA_Node* pText = pItems->GetFirstChild(); | 
 |           if (!pText) | 
 |             continue; | 
 |  | 
 |           WideString wsContent = pText->JSObject()->GetContent(false); | 
 |           if (wsContent == wsValue) { | 
 |             pChecked = pChild; | 
 |             pDataNode->JSObject()->SetAttributeValue(wsValue, wsValue); | 
 |             pFormNode->JSObject()->SetCData(XFA_Attribute::Value, wsContent); | 
 |             break; | 
 |           } | 
 |         } | 
 |         if (!pChecked) | 
 |           break; | 
 |  | 
 |         pChild = pFormNode->GetFirstChild(); | 
 |         for (; pChild; pChild = pChild->GetNextSibling()) { | 
 |           if (pChild == pChecked) | 
 |             continue; | 
 |           if (pChild->GetElementType() != XFA_Element::Field) | 
 |             continue; | 
 |  | 
 |           CXFA_Value* pValue = | 
 |               pChild->JSObject()->GetOrCreateProperty<CXFA_Value>( | 
 |                   0, XFA_Element::Value); | 
 |           CXFA_Items* pItems = | 
 |               pChild->GetChild<CXFA_Items>(0, XFA_Element::Items, false); | 
 |           CXFA_Node* pText = pItems ? pItems->GetFirstChild() : nullptr; | 
 |           if (pText) | 
 |             pText = pText->GetNextSibling(); | 
 |  | 
 |           WideString wsContent; | 
 |           if (pText) | 
 |             wsContent = pText->JSObject()->GetContent(false); | 
 |  | 
 |           FormValueNode_SetChildContent(pValue, wsContent, XFA_Element::Text); | 
 |         } | 
 |         break; | 
 |       } | 
 |       case XFA_FFWidgetType::kNumericEdit: { | 
 |         wsValue = defValue ? defValue->GetChildValueContent() : WideString(); | 
 |         if (wsValue.IsEmpty()) | 
 |           break; | 
 |  | 
 |         wsValue = pFormNode->NormalizeNumStr(wsValue); | 
 |         pDataNode->JSObject()->SetAttributeValue( | 
 |             wsValue, pFormNode->GetFormatDataValue(wsValue)); | 
 |         CXFA_Value* pValue = | 
 |             pFormNode->JSObject()->GetOrCreateProperty<CXFA_Value>( | 
 |                 0, XFA_Element::Value); | 
 |         FormValueNode_SetChildContent(pValue, wsValue, XFA_Element::Float); | 
 |         break; | 
 |       } | 
 |       default: | 
 |         wsValue = defValue ? defValue->GetChildValueContent() : WideString(); | 
 |         if (wsValue.IsEmpty()) | 
 |           break; | 
 |  | 
 |         pDataNode->JSObject()->SetAttributeValue( | 
 |             wsValue, pFormNode->GetFormatDataValue(wsValue)); | 
 |         break; | 
 |     } | 
 |     return; | 
 |   } | 
 |  | 
 |   WideString wsXMLValue = pDataNode->JSObject()->GetContent(false); | 
 |   WideString wsNormalizeValue = pFormNode->GetNormalizeDataValue(wsXMLValue); | 
 |  | 
 |   pDataNode->JSObject()->SetAttributeValue(wsNormalizeValue, wsXMLValue); | 
 |   switch (pFormNode->GetFFWidgetType()) { | 
 |     case XFA_FFWidgetType::kImageEdit: { | 
 |       FormValueNode_SetChildContent(defValue, wsNormalizeValue, | 
 |                                     XFA_Element::Image); | 
 |       CXFA_Image* image = defValue ? defValue->GetImageIfExists() : nullptr; | 
 |       if (image) { | 
 |         CFX_XMLElement* pXMLDataElement = | 
 |             ToXMLElement(pDataNode->GetXMLMappingNode()); | 
 |         WideString wsContentType = | 
 |             pXMLDataElement->GetAttribute(L"xfa:contentType"); | 
 |         if (!wsContentType.IsEmpty()) { | 
 |           pDataNode->JSObject()->SetCData(XFA_Attribute::ContentType, | 
 |                                           wsContentType); | 
 |           image->SetContentType(wsContentType); | 
 |         } | 
 |  | 
 |         WideString wsHref = pXMLDataElement->GetAttribute(L"href"); | 
 |         if (!wsHref.IsEmpty()) | 
 |           image->SetHref(wsHref); | 
 |       } | 
 |       break; | 
 |     } | 
 |     case XFA_FFWidgetType::kChoiceList: | 
 |       if (pFormNode->IsChoiceListMultiSelect()) { | 
 |         std::vector<CXFA_Node*> items = pDataNode->GetNodeListWithFilter( | 
 |             {XFA_NodeFilter::kChildren, XFA_NodeFilter::kProperties}); | 
 |         if (!items.empty()) { | 
 |           bool single = items.size() == 1; | 
 |           wsNormalizeValue.clear(); | 
 |  | 
 |           for (CXFA_Node* pNode : items) { | 
 |             WideString wsItem = pNode->JSObject()->GetContent(false); | 
 |             if (single) | 
 |               wsItem += L"\n"; | 
 |  | 
 |             wsNormalizeValue += wsItem; | 
 |           } | 
 |           CXFA_ExData* exData = | 
 |               defValue ? defValue->GetExDataIfExists() : nullptr; | 
 |           if (exData) | 
 |             exData->SetContentType(single ? L"text/plain" : L"text/xml"); | 
 |         } | 
 |         FormValueNode_SetChildContent(defValue, wsNormalizeValue, | 
 |                                       XFA_Element::ExData); | 
 |       } else { | 
 |         FormValueNode_SetChildContent(defValue, wsNormalizeValue, | 
 |                                       XFA_Element::Text); | 
 |       } | 
 |       break; | 
 |     case XFA_FFWidgetType::kExclGroup: { | 
 |       pFormNode->SetSelectedMemberByValue(wsNormalizeValue.AsStringView(), | 
 |                                           false, false, false); | 
 |       break; | 
 |     } | 
 |     case XFA_FFWidgetType::kDateTimeEdit: | 
 |       FormValueNode_SetChildContent(defValue, wsNormalizeValue, | 
 |                                     XFA_Element::DateTime); | 
 |       break; | 
 |     case XFA_FFWidgetType::kNumericEdit: { | 
 |       WideString wsPicture = | 
 |           pFormNode->GetPictureContent(XFA_ValuePicture::kDataBind); | 
 |       if (wsPicture.IsEmpty()) | 
 |         wsNormalizeValue = pFormNode->NormalizeNumStr(wsNormalizeValue); | 
 |  | 
 |       FormValueNode_SetChildContent(defValue, wsNormalizeValue, | 
 |                                     XFA_Element::Float); | 
 |       break; | 
 |     } | 
 |     default: | 
 |       FormValueNode_SetChildContent(defValue, wsNormalizeValue, | 
 |                                     XFA_Element::Text); | 
 |       break; | 
 |   } | 
 | } | 
 |  | 
 | CXFA_Node* MaybeCreateDataNode(CXFA_Document* pDocument, | 
 |                                CXFA_Node* pDataParent, | 
 |                                XFA_Element eNodeType, | 
 |                                const WideString& wsName) { | 
 |   if (!pDataParent) | 
 |     return nullptr; | 
 |  | 
 |   CXFA_Node* pParentDDNode = pDataParent->GetDataDescriptionNode(); | 
 |   if (!pParentDDNode) { | 
 |     CXFA_Node* pDataNode = | 
 |         pDocument->CreateNode(XFA_PacketType::Datasets, eNodeType); | 
 |     pDataNode->JSObject()->SetCData(XFA_Attribute::Name, wsName); | 
 |     pDataNode->CreateXMLMappingNode(); | 
 |     pDataParent->InsertChildAndNotify(pDataNode, nullptr); | 
 |     pDataNode->SetFlag(XFA_NodeFlag::kInitialized); | 
 |     return pDataNode; | 
 |   } | 
 |  | 
 |   CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_DDGroup> sIterator( | 
 |       pParentDDNode); | 
 |   for (CXFA_Node* pDDGroupNode = sIterator.GetCurrent(); pDDGroupNode; | 
 |        pDDGroupNode = sIterator.MoveToNext()) { | 
 |     if (pDDGroupNode != pParentDDNode) { | 
 |       if (pDDGroupNode->GetElementType() != XFA_Element::DataGroup) | 
 |         continue; | 
 |  | 
 |       absl::optional<WideString> ns = pDDGroupNode->JSObject()->TryNamespace(); | 
 |       if (!ns.has_value() || | 
 |           !ns.value().EqualsASCII("http://ns.adobe.com/data-description/")) { | 
 |         continue; | 
 |       } | 
 |     } | 
 |  | 
 |     CXFA_Node* pDDNode = | 
 |         pDDGroupNode->GetFirstChildByName(wsName.AsStringView()); | 
 |     if (!pDDNode) | 
 |       continue; | 
 |     if (pDDNode->GetElementType() != eNodeType) | 
 |       break; | 
 |  | 
 |     CXFA_Node* pDataNode = | 
 |         pDocument->CreateNode(XFA_PacketType::Datasets, eNodeType); | 
 |     pDataNode->JSObject()->SetCData(XFA_Attribute::Name, wsName); | 
 |     pDataNode->CreateXMLMappingNode(); | 
 |     if (eNodeType == XFA_Element::DataValue && | 
 |         pDDNode->JSObject()->GetEnum(XFA_Attribute::Contains) == | 
 |             XFA_AttributeValue::MetaData) { | 
 |       pDataNode->JSObject()->SetEnum(XFA_Attribute::Contains, | 
 |                                      XFA_AttributeValue::MetaData, false); | 
 |     } | 
 |     pDataParent->InsertChildAndNotify(pDataNode, nullptr); | 
 |     pDataNode->SetDataDescriptionNode(pDDNode); | 
 |     pDataNode->SetFlag(XFA_NodeFlag::kInitialized); | 
 |     return pDataNode; | 
 |   } | 
 |   return nullptr; | 
 | } | 
 |  | 
 | CXFA_Node* CopyContainer_Field(CXFA_Document* pDocument, | 
 |                                CXFA_Node* pTemplateNode, | 
 |                                CXFA_Node* pFormNode, | 
 |                                CXFA_Node* pDataScope, | 
 |                                bool bDataMerge, | 
 |                                bool bUpLevel) { | 
 |   CXFA_Node* pFieldNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |       pDocument, pFormNode, pTemplateNode, false, nullptr); | 
 |   DCHECK(pFieldNode); | 
 |   for (CXFA_Node* pTemplateChildNode = pTemplateNode->GetFirstChild(); | 
 |        pTemplateChildNode; | 
 |        pTemplateChildNode = pTemplateChildNode->GetNextSibling()) { | 
 |     if (XFA_DataMerge_NeedGenerateForm(pTemplateChildNode, true)) { | 
 |       XFA_NodeMerge_CloneOrMergeContainer(pDocument, pFieldNode, | 
 |                                           pTemplateChildNode, true, nullptr); | 
 |     } else if (pTemplateNode->GetElementType() == XFA_Element::ExclGroup && | 
 |                pTemplateChildNode->IsContainerNode()) { | 
 |       if (pTemplateChildNode->GetElementType() == XFA_Element::Field) { | 
 |         CopyContainer_Field(pDocument, pTemplateChildNode, pFieldNode, nullptr, | 
 |                             false, true); | 
 |       } | 
 |     } | 
 |   } | 
 |   if (bDataMerge) { | 
 |     bool bAccessedDataDOM = false; | 
 |     bool bSelfMatch = false; | 
 |     XFA_AttributeValue eBindMatch; | 
 |     CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFAContainerNode> | 
 |         sNodeIter(pTemplateNode); | 
 |     CXFA_Node* pDataNode = FindMatchingDataNode( | 
 |         pDocument, pTemplateNode, pDataScope, bAccessedDataDOM, true, | 
 |         &sNodeIter, bSelfMatch, eBindMatch, bUpLevel); | 
 |     if (pDataNode) | 
 |       CreateDataBinding(pFieldNode, pDataNode, true); | 
 |   } else { | 
 |     FormValueNode_MatchNoneCreateChild(pFieldNode); | 
 |   } | 
 |   return pFieldNode; | 
 | } | 
 |  | 
 | CXFA_Node* CopyContainer_SubformSet(CXFA_Document* pDocument, | 
 |                                     CXFA_Node* pTemplateNode, | 
 |                                     CXFA_Node* pFormParentNode, | 
 |                                     CXFA_Node* pDataScope, | 
 |                                     bool bOneInstance, | 
 |                                     bool bDataMerge) { | 
 |   XFA_Element eType = pTemplateNode->GetElementType(); | 
 |   CXFA_Node* pOccurNode = nullptr; | 
 |   CXFA_Node* pFirstInstance = nullptr; | 
 |   bool bUseInstanceManager = | 
 |       pFormParentNode->GetElementType() != XFA_Element::Area; | 
 |   CXFA_Node* pInstMgrNode = nullptr; | 
 |   std::vector<CXFA_Node*> subformArray; | 
 |   std::vector<CXFA_Node*>* pSearchArray = nullptr; | 
 |   if (!bOneInstance && | 
 |       (eType == XFA_Element::SubformSet || eType == XFA_Element::Subform)) { | 
 |     pInstMgrNode = bUseInstanceManager ? CloneOrMergeInstanceManager( | 
 |                                              pDocument, pFormParentNode, | 
 |                                              pTemplateNode, &subformArray) | 
 |                                        : nullptr; | 
 |     if (CXFA_Occur* pOccurTemplateNode = | 
 |             pTemplateNode->GetFirstChildByClass<CXFA_Occur>( | 
 |                 XFA_Element::Occur)) { | 
 |       pOccurNode = pInstMgrNode ? XFA_NodeMerge_CloneOrMergeContainer( | 
 |                                       pDocument, pInstMgrNode, | 
 |                                       pOccurTemplateNode, false, nullptr) | 
 |                                 : pOccurTemplateNode; | 
 |     } else if (pInstMgrNode) { | 
 |       pOccurNode = | 
 |           pInstMgrNode->GetFirstChildByClass<CXFA_Occur>(XFA_Element::Occur); | 
 |       if (pOccurNode) | 
 |         pOccurNode->ClearFlag(XFA_NodeFlag::kUnusedNode); | 
 |     } | 
 |     if (pInstMgrNode) { | 
 |       pInstMgrNode->SetInitializedFlagAndNotify(); | 
 |       pSearchArray = &subformArray; | 
 |       if (pFormParentNode->GetElementType() == XFA_Element::PageArea) { | 
 |         bOneInstance = true; | 
 |         if (subformArray.empty()) | 
 |           pSearchArray = nullptr; | 
 |       } else if (pTemplateNode->GetNameHash() == 0 && subformArray.empty()) { | 
 |         pSearchArray = nullptr; | 
 |       } | 
 |     } | 
 |   } | 
 |  | 
 |   int32_t iMax = 1; | 
 |   int32_t iInit = 1; | 
 |   int32_t iMin = 1; | 
 |   if (!bOneInstance && pOccurNode) { | 
 |     std::tie(iMin, iMax, iInit) = | 
 |         static_cast<CXFA_Occur*>(pOccurNode)->GetOccurInfo(); | 
 |   } | 
 |  | 
 |   XFA_AttributeValue eRelation = | 
 |       eType == XFA_Element::SubformSet | 
 |           ? pTemplateNode->JSObject()->GetEnum(XFA_Attribute::Relation) | 
 |           : XFA_AttributeValue::Ordered; | 
 |   int32_t iCurRepeatIndex = 0; | 
 |   XFA_AttributeValue eParentBindMatch = XFA_AttributeValue::None; | 
 |   if (bDataMerge) { | 
 |     CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFAContainerNode> | 
 |         sNodeIterator(pTemplateNode); | 
 |     bool bAccessedDataDOM = false; | 
 |     if (eType == XFA_Element::SubformSet || eType == XFA_Element::Area) { | 
 |       sNodeIterator.MoveToNext(); | 
 |     } else { | 
 |       std::map<CXFA_Node*, CXFA_Node*> subformMapArray; | 
 |       std::vector<CXFA_Node*> nodeArray; | 
 |       for (; iMax < 0 || iCurRepeatIndex < iMax; iCurRepeatIndex++) { | 
 |         bool bSelfMatch = false; | 
 |         XFA_AttributeValue eBindMatch = XFA_AttributeValue::None; | 
 |         CXFA_Node* pDataNode = FindMatchingDataNode( | 
 |             pDocument, pTemplateNode, pDataScope, bAccessedDataDOM, false, | 
 |             &sNodeIterator, bSelfMatch, eBindMatch, true); | 
 |         if (!pDataNode || sNodeIterator.GetCurrent() != pTemplateNode) | 
 |           break; | 
 |  | 
 |         eParentBindMatch = eBindMatch; | 
 |         CXFA_Node* pSubformNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |             pDocument, pFormParentNode, pTemplateNode, false, pSearchArray); | 
 |         if (!pFirstInstance) | 
 |           pFirstInstance = pSubformNode; | 
 |  | 
 |         CreateDataBinding(pSubformNode, pDataNode, true); | 
 |         DCHECK(pSubformNode); | 
 |         subformMapArray[pSubformNode] = pDataNode; | 
 |         nodeArray.push_back(pSubformNode); | 
 |       } | 
 |  | 
 |       for (CXFA_Node* pSubform : nodeArray) { | 
 |         CXFA_Node* pDataNode = nullptr; | 
 |         auto it = subformMapArray.find(pSubform); | 
 |         if (it != subformMapArray.end()) | 
 |           pDataNode = it->second; | 
 |         for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild(); | 
 |              pTemplateChild; | 
 |              pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |           if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, | 
 |                                              bUseInstanceManager)) { | 
 |             XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubform, | 
 |                                                 pTemplateChild, true, nullptr); | 
 |           } else if (pTemplateChild->IsContainerNode()) { | 
 |             pDocument->DataMerge_CopyContainer(pTemplateChild, pSubform, | 
 |                                                pDataNode, false, true, false); | 
 |           } | 
 |         } | 
 |       } | 
 |       subformMapArray.clear(); | 
 |     } | 
 |  | 
 |     for (; iMax < 0 || iCurRepeatIndex < iMax; iCurRepeatIndex++) { | 
 |       bool bSelfMatch = false; | 
 |       XFA_AttributeValue eBindMatch = XFA_AttributeValue::None; | 
 |       if (!FindMatchingDataNode(pDocument, pTemplateNode, pDataScope, | 
 |                                 bAccessedDataDOM, false, &sNodeIterator, | 
 |                                 bSelfMatch, eBindMatch, true)) { | 
 |         break; | 
 |       } | 
 |       if (eBindMatch == XFA_AttributeValue::DataRef && | 
 |           eParentBindMatch == XFA_AttributeValue::DataRef) { | 
 |         break; | 
 |       } | 
 |  | 
 |       if (eRelation == XFA_AttributeValue::Choice || | 
 |           eRelation == XFA_AttributeValue::Unordered) { | 
 |         CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |             pDocument, pFormParentNode, pTemplateNode, false, pSearchArray); | 
 |         DCHECK(pSubformSetNode); | 
 |         if (!pFirstInstance) | 
 |           pFirstInstance = pSubformSetNode; | 
 |  | 
 |         std::vector<RecurseRecord> rgItemMatchList; | 
 |         std::vector<CXFA_Node*> rgItemUnmatchList; | 
 |         for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild(); | 
 |              pTemplateChild; | 
 |              pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |           if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, | 
 |                                              bUseInstanceManager)) { | 
 |             XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformSetNode, | 
 |                                                 pTemplateChild, true, nullptr); | 
 |           } else if (pTemplateChild->IsContainerNode()) { | 
 |             bSelfMatch = false; | 
 |             eBindMatch = XFA_AttributeValue::None; | 
 |             if (eRelation != XFA_AttributeValue::Ordered) { | 
 |               CXFA_NodeIteratorTemplate<CXFA_Node, | 
 |                                         CXFA_TraverseStrategy_XFAContainerNode> | 
 |                   sChildIter(pTemplateChild); | 
 |               CXFA_Node* pDataMatch = FindMatchingDataNode( | 
 |                   pDocument, pTemplateChild, pDataScope, bAccessedDataDOM, | 
 |                   false, &sChildIter, bSelfMatch, eBindMatch, true); | 
 |               if (pDataMatch) { | 
 |                 RecurseRecord sNewRecord = {pTemplateChild, pDataMatch}; | 
 |                 if (bSelfMatch) | 
 |                   rgItemMatchList.insert(rgItemMatchList.begin(), sNewRecord); | 
 |                 else | 
 |                   rgItemMatchList.push_back(sNewRecord); | 
 |               } else { | 
 |                 rgItemUnmatchList.push_back(pTemplateChild); | 
 |               } | 
 |             } else { | 
 |               rgItemUnmatchList.push_back(pTemplateChild); | 
 |             } | 
 |           } | 
 |         } | 
 |  | 
 |         switch (eRelation) { | 
 |           case XFA_AttributeValue::Choice: { | 
 |             DCHECK(!rgItemMatchList.empty()); | 
 |             SortRecurseRecord(&rgItemMatchList, pDataScope, true); | 
 |             pDocument->DataMerge_CopyContainer( | 
 |                 rgItemMatchList.front().pTemplateChild, pSubformSetNode, | 
 |                 pDataScope, false, true, true); | 
 |             break; | 
 |           } | 
 |           case XFA_AttributeValue::Unordered: { | 
 |             if (!rgItemMatchList.empty()) { | 
 |               SortRecurseRecord(&rgItemMatchList, pDataScope, false); | 
 |               for (const auto& matched : rgItemMatchList) { | 
 |                 pDocument->DataMerge_CopyContainer(matched.pTemplateChild, | 
 |                                                    pSubformSetNode, pDataScope, | 
 |                                                    false, true, true); | 
 |               } | 
 |             } | 
 |             for (auto* unmatched : rgItemUnmatchList) { | 
 |               pDocument->DataMerge_CopyContainer(unmatched, pSubformSetNode, | 
 |                                                  pDataScope, false, true, true); | 
 |             } | 
 |             break; | 
 |           } | 
 |           default: | 
 |             break; | 
 |         } | 
 |       } else { | 
 |         CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |             pDocument, pFormParentNode, pTemplateNode, false, pSearchArray); | 
 |         DCHECK(pSubformSetNode); | 
 |         if (!pFirstInstance) | 
 |           pFirstInstance = pSubformSetNode; | 
 |  | 
 |         for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild(); | 
 |              pTemplateChild; | 
 |              pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |           if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, | 
 |                                              bUseInstanceManager)) { | 
 |             XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformSetNode, | 
 |                                                 pTemplateChild, true, nullptr); | 
 |           } else if (pTemplateChild->IsContainerNode()) { | 
 |             pDocument->DataMerge_CopyContainer(pTemplateChild, pSubformSetNode, | 
 |                                                pDataScope, false, true, true); | 
 |           } | 
 |         } | 
 |       } | 
 |     } | 
 |  | 
 |     if (iCurRepeatIndex == 0 && !bAccessedDataDOM) { | 
 |       int32_t iLimit = iMax; | 
 |       if (pInstMgrNode && pTemplateNode->GetNameHash() == 0) { | 
 |         iLimit = fxcrt::CollectionSize<int32_t>(subformArray); | 
 |         if (iLimit < iMin) | 
 |           iLimit = iInit; | 
 |       } | 
 |  | 
 |       for (; (iLimit < 0 || iCurRepeatIndex < iLimit); iCurRepeatIndex++) { | 
 |         if (pInstMgrNode) { | 
 |           if (pSearchArray && pSearchArray->empty()) { | 
 |             if (pTemplateNode->GetNameHash() != 0) | 
 |               break; | 
 |             pSearchArray = nullptr; | 
 |           } | 
 |         } else if (!XFA_DataMerge_FindFormDOMInstance( | 
 |                        pDocument, pTemplateNode->GetElementType(), | 
 |                        pTemplateNode->GetNameHash(), pFormParentNode)) { | 
 |           break; | 
 |         } | 
 |         CXFA_Node* pSubformNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |             pDocument, pFormParentNode, pTemplateNode, false, pSearchArray); | 
 |         DCHECK(pSubformNode); | 
 |         if (!pFirstInstance) | 
 |           pFirstInstance = pSubformNode; | 
 |  | 
 |         for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild(); | 
 |              pTemplateChild; | 
 |              pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |           if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, | 
 |                                              bUseInstanceManager)) { | 
 |             XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformNode, | 
 |                                                 pTemplateChild, true, nullptr); | 
 |           } else if (pTemplateChild->IsContainerNode()) { | 
 |             pDocument->DataMerge_CopyContainer(pTemplateChild, pSubformNode, | 
 |                                                pDataScope, false, true, true); | 
 |           } | 
 |         } | 
 |       } | 
 |     } | 
 |   } | 
 |  | 
 |   int32_t iMinimalLimit = iCurRepeatIndex == 0 ? iInit : iMin; | 
 |   for (; iCurRepeatIndex < iMinimalLimit; iCurRepeatIndex++) { | 
 |     CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |         pDocument, pFormParentNode, pTemplateNode, false, pSearchArray); | 
 |     DCHECK(pSubformSetNode); | 
 |     if (!pFirstInstance) | 
 |       pFirstInstance = pSubformSetNode; | 
 |  | 
 |     bool bFound = false; | 
 |     for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild(); | 
 |          pTemplateChild; pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |       if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, bUseInstanceManager)) { | 
 |         XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformSetNode, | 
 |                                             pTemplateChild, true, nullptr); | 
 |       } else if (pTemplateChild->IsContainerNode()) { | 
 |         if (bFound && eRelation == XFA_AttributeValue::Choice) | 
 |           continue; | 
 |  | 
 |         pDocument->DataMerge_CopyContainer(pTemplateChild, pSubformSetNode, | 
 |                                            pDataScope, false, bDataMerge, true); | 
 |         bFound = true; | 
 |       } | 
 |     } | 
 |   } | 
 |   return pFirstInstance; | 
 | } | 
 |  | 
 | void UpdateBindingRelations(CXFA_Document* pDocument, | 
 |                             CXFA_Node* pFormNode, | 
 |                             CXFA_Node* pDataScope, | 
 |                             bool bDataRef, | 
 |                             bool bParentDataRef) { | 
 |   bool bMatchRef = true; | 
 |   XFA_Element eType = pFormNode->GetElementType(); | 
 |   CXFA_Node* pDataNode = pFormNode->GetBindData(); | 
 |   if (eType == XFA_Element::Subform || eType == XFA_Element::ExclGroup || | 
 |       eType == XFA_Element::Field) { | 
 |     CXFA_Node* pTemplateNode = pFormNode->GetTemplateNodeIfExists(); | 
 |     CXFA_Bind* pTemplateNodeBind = | 
 |         pTemplateNode | 
 |             ? pTemplateNode->GetFirstChildByClass<CXFA_Bind>(XFA_Element::Bind) | 
 |             : nullptr; | 
 |     XFA_AttributeValue eMatch = | 
 |         pTemplateNodeBind | 
 |             ? pTemplateNodeBind->JSObject()->GetEnum(XFA_Attribute::Match) | 
 |             : XFA_AttributeValue::Once; | 
 |     switch (eMatch) { | 
 |       case XFA_AttributeValue::None: | 
 |         if (!bDataRef || bParentDataRef) | 
 |           FormValueNode_MatchNoneCreateChild(pFormNode); | 
 |         break; | 
 |       case XFA_AttributeValue::Once: | 
 |         if (!bDataRef || bParentDataRef) { | 
 |           if (!pDataNode) { | 
 |             if (pFormNode->GetNameHash() != 0 && | 
 |                 pFormNode->JSObject()->GetEnum(XFA_Attribute::Scope) != | 
 |                     XFA_AttributeValue::None) { | 
 |               XFA_Element eDataNodeType = (eType == XFA_Element::Subform || | 
 |                                            XFA_FieldIsMultiListBox(pFormNode)) | 
 |                                               ? XFA_Element::DataGroup | 
 |                                               : XFA_Element::DataValue; | 
 |               pDataNode = MaybeCreateDataNode( | 
 |                   pDocument, pDataScope, eDataNodeType, | 
 |                   WideString( | 
 |                       pFormNode->JSObject()->GetCData(XFA_Attribute::Name))); | 
 |               if (pDataNode) | 
 |                 CreateDataBinding(pFormNode, pDataNode, false); | 
 |             } | 
 |             if (!pDataNode) | 
 |               FormValueNode_MatchNoneCreateChild(pFormNode); | 
 |  | 
 |           } else { | 
 |             CXFA_Node* pDataParent = pDataNode->GetParent(); | 
 |             if (pDataParent != pDataScope) { | 
 |               DCHECK(pDataParent); | 
 |               pDataParent->RemoveChildAndNotify(pDataNode, true); | 
 |               pDataScope->InsertChildAndNotify(pDataNode, nullptr); | 
 |             } | 
 |           } | 
 |         } | 
 |         break; | 
 |       case XFA_AttributeValue::Global: | 
 |         if (!bDataRef || bParentDataRef) { | 
 |           uint32_t dwNameHash = pFormNode->GetNameHash(); | 
 |           if (dwNameHash != 0 && !pDataNode) { | 
 |             pDataNode = pDocument->GetGlobalBinding(dwNameHash); | 
 |             if (!pDataNode) { | 
 |               XFA_Element eDataNodeType = (eType == XFA_Element::Subform || | 
 |                                            XFA_FieldIsMultiListBox(pFormNode)) | 
 |                                               ? XFA_Element::DataGroup | 
 |                                               : XFA_Element::DataValue; | 
 |               CXFA_Node* pRecordNode = | 
 |                   ToNode(pDocument->GetXFAObject(XFA_HASHCODE_Record)); | 
 |               pDataNode = MaybeCreateDataNode( | 
 |                   pDocument, pRecordNode, eDataNodeType, | 
 |                   WideString( | 
 |                       pFormNode->JSObject()->GetCData(XFA_Attribute::Name))); | 
 |               if (pDataNode) { | 
 |                 CreateDataBinding(pFormNode, pDataNode, false); | 
 |                 pDocument->RegisterGlobalBinding(pFormNode->GetNameHash(), | 
 |                                                  pDataNode); | 
 |               } | 
 |             } else { | 
 |               CreateDataBinding(pFormNode, pDataNode, true); | 
 |             } | 
 |           } | 
 |           if (!pDataNode) | 
 |             FormValueNode_MatchNoneCreateChild(pFormNode); | 
 |         } | 
 |         break; | 
 |       case XFA_AttributeValue::DataRef: { | 
 |         bMatchRef = bDataRef; | 
 |         bParentDataRef = true; | 
 |         if (!pDataNode && bDataRef) { | 
 |           WideString wsRef = | 
 |               pTemplateNodeBind | 
 |                   ? pTemplateNodeBind->JSObject()->GetCData(XFA_Attribute::Ref) | 
 |                   : WideString(); | 
 |           const Mask<XFA_ResolveFlag> kFlags = {XFA_ResolveFlag::kChildren, | 
 |                                                 XFA_ResolveFlag::kCreateNode}; | 
 |           absl::optional<CFXJSE_Engine::ResolveResult> maybeResult = | 
 |               pDocument->GetScriptContext()->ResolveObjectsWithBindNode( | 
 |                   pDataScope, wsRef.AsStringView(), kFlags, pTemplateNode); | 
 |           CXFA_Object* pObject = | 
 |               maybeResult.has_value() && !maybeResult.value().objects.empty() | 
 |                   ? maybeResult.value().objects.front().Get() | 
 |                   : nullptr; | 
 |           pDataNode = ToNode(pObject); | 
 |           if (pDataNode) { | 
 |             CreateDataBinding( | 
 |                 pFormNode, pDataNode, | 
 |                 maybeResult.value().type == | 
 |                     CFXJSE_Engine::ResolveResult::Type::kExistNodes); | 
 |           } else { | 
 |             FormValueNode_MatchNoneCreateChild(pFormNode); | 
 |           } | 
 |         } | 
 |         break; | 
 |       } | 
 |       default: | 
 |         break; | 
 |     } | 
 |   } | 
 |  | 
 |   if (bMatchRef && | 
 |       (eType == XFA_Element::Subform || eType == XFA_Element::SubformSet || | 
 |        eType == XFA_Element::Area || eType == XFA_Element::PageArea || | 
 |        eType == XFA_Element::PageSet)) { | 
 |     for (CXFA_Node* pFormChild = pFormNode->GetFirstChild(); pFormChild; | 
 |          pFormChild = pFormChild->GetNextSibling()) { | 
 |       if (!pFormChild->IsContainerNode()) | 
 |         continue; | 
 |       if (pFormChild->IsUnusedNode()) | 
 |         continue; | 
 |  | 
 |       UpdateBindingRelations(pDocument, pFormChild, | 
 |                              pDataNode ? pDataNode : pDataScope, bDataRef, | 
 |                              bParentDataRef); | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | void UpdateDataRelation(CXFA_Node* pDataNode, CXFA_Node* pDataDescriptionNode) { | 
 |   DCHECK(pDataDescriptionNode); | 
 |   for (CXFA_Node* pDataChild = pDataNode->GetFirstChild(); pDataChild; | 
 |        pDataChild = pDataChild->GetNextSibling()) { | 
 |     uint32_t dwNameHash = pDataChild->GetNameHash(); | 
 |     if (!dwNameHash) | 
 |       continue; | 
 |  | 
 |     CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_DDGroup> | 
 |         sIterator(pDataDescriptionNode); | 
 |     for (CXFA_Node* pDDGroupNode = sIterator.GetCurrent(); pDDGroupNode; | 
 |          pDDGroupNode = sIterator.MoveToNext()) { | 
 |       if (pDDGroupNode != pDataDescriptionNode) { | 
 |         if (pDDGroupNode->GetElementType() != XFA_Element::DataGroup) | 
 |           continue; | 
 |  | 
 |         absl::optional<WideString> ns = | 
 |             pDDGroupNode->JSObject()->TryNamespace(); | 
 |         if (!ns.has_value() || | 
 |             !ns.value().EqualsASCII("http://ns.adobe.com/data-description/")) { | 
 |           continue; | 
 |         } | 
 |       } | 
 |  | 
 |       CXFA_Node* pDDNode = pDDGroupNode->GetFirstChildByName(dwNameHash); | 
 |       if (!pDDNode) | 
 |         continue; | 
 |       if (pDDNode->GetElementType() != pDataChild->GetElementType()) | 
 |         break; | 
 |  | 
 |       pDataChild->SetDataDescriptionNode(pDDNode); | 
 |       UpdateDataRelation(pDataChild, pDDNode); | 
 |       break; | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | }  // namespace | 
 |  | 
 | CXFA_Document::CXFA_Document(CXFA_FFNotify* notify, | 
 |                              cppgc::Heap* heap, | 
 |                              LayoutProcessorIface* pLayout) | 
 |     : heap_(heap), | 
 |       notify_(notify), | 
 |       node_owner_(cppgc::MakeGarbageCollected<CXFA_NodeOwner>( | 
 |           heap->GetAllocationHandle())), | 
 |       m_pLayoutProcessor(std::move(pLayout)) { | 
 |   if (m_pLayoutProcessor) | 
 |     m_pLayoutProcessor->SetDocument(this); | 
 | } | 
 |  | 
 | CXFA_Document::~CXFA_Document() = default; | 
 |  | 
 | void CXFA_Document::Trace(cppgc::Visitor* visitor) const { | 
 |   visitor->Trace(notify_); | 
 |   visitor->Trace(node_owner_); | 
 |   visitor->Trace(m_pRootNode); | 
 |   visitor->Trace(m_pLocaleMgr); | 
 |   visitor->Trace(m_pLayoutProcessor); | 
 |   visitor->Trace(m_pScriptDataWindow); | 
 |   visitor->Trace(m_pScriptEvent); | 
 |   visitor->Trace(m_pScriptHost); | 
 |   visitor->Trace(m_pScriptLog); | 
 |   visitor->Trace(m_pScriptLayout); | 
 |   visitor->Trace(m_pScriptSignature); | 
 |   ContainerTrace(visitor, m_rgGlobalBinding); | 
 |   ContainerTrace(visitor, m_pPendingPageSet); | 
 | } | 
 |  | 
 | void CXFA_Document::ClearLayoutData() { | 
 |   m_pLayoutProcessor = nullptr; | 
 |   m_pScriptContext.reset(); | 
 |   m_pLocaleMgr.Clear(); | 
 |   m_pScriptDataWindow = nullptr; | 
 |   m_pScriptEvent = nullptr; | 
 |   m_pScriptHost = nullptr; | 
 |   m_pScriptLog = nullptr; | 
 |   m_pScriptLayout = nullptr; | 
 |   m_pScriptSignature = nullptr; | 
 | } | 
 |  | 
 | CXFA_Object* CXFA_Document::GetXFAObject(XFA_HashCode dwNodeNameHash) { | 
 |   switch (dwNodeNameHash) { | 
 |     case XFA_HASHCODE_Data: { | 
 |       CXFA_Node* pDatasetsNode = ToNode(GetXFAObject(XFA_HASHCODE_Datasets)); | 
 |       if (!pDatasetsNode) | 
 |         return nullptr; | 
 |  | 
 |       for (CXFA_DataGroup* pDatasetsChild = | 
 |                pDatasetsNode->GetFirstChildByClass<CXFA_DataGroup>( | 
 |                    XFA_Element::DataGroup); | 
 |            pDatasetsChild; | 
 |            pDatasetsChild = | 
 |                pDatasetsChild->GetNextSameClassSibling<CXFA_DataGroup>( | 
 |                    XFA_Element::DataGroup)) { | 
 |         if (pDatasetsChild->GetNameHash() != XFA_HASHCODE_Data) | 
 |           continue; | 
 |  | 
 |         absl::optional<WideString> namespaceURI = | 
 |             pDatasetsChild->JSObject()->TryNamespace(); | 
 |         if (!namespaceURI.has_value()) | 
 |           continue; | 
 |  | 
 |         absl::optional<WideString> datasetsURI = | 
 |             pDatasetsNode->JSObject()->TryNamespace(); | 
 |         if (!datasetsURI.has_value()) | 
 |           continue; | 
 |         if (namespaceURI.value() == datasetsURI.value()) | 
 |           return pDatasetsChild; | 
 |       } | 
 |       return nullptr; | 
 |     } | 
 |     case XFA_HASHCODE_Record: { | 
 |       CXFA_Node* pData = ToNode(GetXFAObject(XFA_HASHCODE_Data)); | 
 |       return pData ? pData->GetFirstChildByClass<CXFA_DataGroup>( | 
 |                          XFA_Element::DataGroup) | 
 |                    : nullptr; | 
 |     } | 
 |     case XFA_HASHCODE_DataWindow: { | 
 |       if (!m_pScriptDataWindow) | 
 |         m_pScriptDataWindow = cppgc::MakeGarbageCollected<CScript_DataWindow>( | 
 |             GetHeap()->GetAllocationHandle(), this); | 
 |       return m_pScriptDataWindow; | 
 |     } | 
 |     case XFA_HASHCODE_Event: { | 
 |       if (!m_pScriptEvent) | 
 |         m_pScriptEvent = cppgc::MakeGarbageCollected<CScript_EventPseudoModel>( | 
 |             GetHeap()->GetAllocationHandle(), this); | 
 |       return m_pScriptEvent; | 
 |     } | 
 |     case XFA_HASHCODE_Host: { | 
 |       if (!m_pScriptHost) | 
 |         m_pScriptHost = cppgc::MakeGarbageCollected<CScript_HostPseudoModel>( | 
 |             GetHeap()->GetAllocationHandle(), this); | 
 |       return m_pScriptHost; | 
 |     } | 
 |     case XFA_HASHCODE_Log: { | 
 |       if (!m_pScriptLog) | 
 |         m_pScriptLog = cppgc::MakeGarbageCollected<CScript_LogPseudoModel>( | 
 |             GetHeap()->GetAllocationHandle(), this); | 
 |       return m_pScriptLog; | 
 |     } | 
 |     case XFA_HASHCODE_Signature: { | 
 |       if (!m_pScriptSignature) | 
 |         m_pScriptSignature = | 
 |             cppgc::MakeGarbageCollected<CScript_SignaturePseudoModel>( | 
 |                 GetHeap()->GetAllocationHandle(), this); | 
 |       return m_pScriptSignature; | 
 |     } | 
 |     case XFA_HASHCODE_Layout: { | 
 |       if (!m_pScriptLayout) | 
 |         m_pScriptLayout = | 
 |             cppgc::MakeGarbageCollected<CScript_LayoutPseudoModel>( | 
 |                 GetHeap()->GetAllocationHandle(), this); | 
 |       return m_pScriptLayout; | 
 |     } | 
 |     default: | 
 |       return m_pRootNode->GetFirstChildByName(dwNodeNameHash); | 
 |   } | 
 | } | 
 |  | 
 | CXFA_Node* CXFA_Document::CreateNode(XFA_PacketType packet, | 
 |                                      XFA_Element eElement) { | 
 |   if (eElement == XFA_Element::Unknown) | 
 |     return nullptr; | 
 |  | 
 |   return CXFA_Node::Create(this, eElement, packet); | 
 | } | 
 |  | 
 | bool CXFA_Document::IsInteractive() { | 
 |   if (m_Interactive.has_value()) | 
 |     return m_Interactive.value(); | 
 |  | 
 |   CXFA_Node* pConfig = ToNode(GetXFAObject(XFA_HASHCODE_Config)); | 
 |   if (!pConfig) | 
 |     return false; | 
 |  | 
 |   CXFA_Present* pPresent = | 
 |       pConfig->GetFirstChildByClass<CXFA_Present>(XFA_Element::Present); | 
 |   if (!pPresent) | 
 |     return false; | 
 |  | 
 |   CXFA_Pdf* pPDF = pPresent->GetFirstChildByClass<CXFA_Pdf>(XFA_Element::Pdf); | 
 |   if (!pPDF) | 
 |     return false; | 
 |  | 
 |   CXFA_Interactive* pFormFiller = | 
 |       pPDF->GetChild<CXFA_Interactive>(0, XFA_Element::Interactive, false); | 
 |   if (!pFormFiller) | 
 |     return false; | 
 |  | 
 |   WideString wsInteractive = pFormFiller->JSObject()->GetContent(false); | 
 |   bool bInteractive = wsInteractive.EqualsASCII("1"); | 
 |   m_Interactive = bInteractive; | 
 |   return bInteractive; | 
 | } | 
 |  | 
 | CXFA_LocaleMgr* CXFA_Document::GetLocaleMgr() { | 
 |   if (!m_pLocaleMgr) { | 
 |     m_pLocaleMgr = cppgc::MakeGarbageCollected<CXFA_LocaleMgr>( | 
 |         heap_->GetAllocationHandle(), heap_, | 
 |         ToNode(GetXFAObject(XFA_HASHCODE_LocaleSet)), | 
 |         GetNotify()->GetAppProvider()->GetLanguage()); | 
 |   } | 
 |   return m_pLocaleMgr; | 
 | } | 
 |  | 
 | cppgc::Heap* CXFA_Document::GetHeap() const { | 
 |   return heap_; | 
 | } | 
 |  | 
 | CFXJSE_Engine* CXFA_Document::InitScriptContext(CJS_Runtime* fxjs_runtime) { | 
 |   DCHECK(!m_pScriptContext); | 
 |   m_pScriptContext = std::make_unique<CFXJSE_Engine>(this, fxjs_runtime); | 
 |   return m_pScriptContext.get(); | 
 | } | 
 |  | 
 | CFXJSE_Engine* CXFA_Document::GetScriptContext() const { | 
 |   DCHECK(m_pScriptContext); | 
 |   return m_pScriptContext.get(); | 
 | } | 
 |  | 
 | XFA_VERSION CXFA_Document::RecognizeXFAVersionNumber( | 
 |     const WideString& wsTemplateNS) { | 
 |   XFA_VERSION eVersion = ParseXFAVersion(wsTemplateNS); | 
 |   if (eVersion != XFA_VERSION_UNKNOWN) | 
 |     m_eCurVersionMode = eVersion; | 
 |  | 
 |   return eVersion; | 
 | } | 
 |  | 
 | // static | 
 | XFA_VERSION CXFA_Document::ParseXFAVersion(const WideString& wsTemplateNS) { | 
 |   WideStringView wsTemplateURIPrefix(kTemplateNS); | 
 |   if (wsTemplateNS.GetLength() <= wsTemplateURIPrefix.GetLength()) | 
 |     return XFA_VERSION_UNKNOWN; | 
 |  | 
 |   size_t prefixLength = wsTemplateURIPrefix.GetLength(); | 
 |   if (wsTemplateNS.AsStringView().First(prefixLength) != wsTemplateURIPrefix) | 
 |     return XFA_VERSION_UNKNOWN; | 
 |  | 
 |   auto nDotPos = wsTemplateNS.Find('.', prefixLength); | 
 |   if (!nDotPos.has_value()) | 
 |     return XFA_VERSION_UNKNOWN; | 
 |  | 
 |   int8_t iMajor = FXSYS_wtoi( | 
 |       wsTemplateNS.Substr(prefixLength, nDotPos.value() - prefixLength) | 
 |           .c_str()); | 
 |   int8_t iMinor = FXSYS_wtoi(wsTemplateNS.Substr(nDotPos.value() + 1).c_str()); | 
 |   XFA_VERSION eVersion = | 
 |       static_cast<XFA_VERSION>(static_cast<int32_t>(iMajor) * 100 + iMinor); | 
 |   if (eVersion < XFA_VERSION_MIN || eVersion > XFA_VERSION_MAX) | 
 |     return XFA_VERSION_UNKNOWN; | 
 |  | 
 |   return eVersion; | 
 | } | 
 |  | 
 | FormType CXFA_Document::GetFormType() const { | 
 |   return GetNotify()->GetFFDoc()->GetFormType(); | 
 | } | 
 |  | 
 | CXFA_Node* CXFA_Document::GetNodeByID(CXFA_Node* pRoot, | 
 |                                       WideStringView wsID) const { | 
 |   if (!pRoot || wsID.IsEmpty()) | 
 |     return nullptr; | 
 |  | 
 |   CXFA_NodeIterator sIterator(pRoot); | 
 |   for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode; | 
 |        pNode = sIterator.MoveToNext()) { | 
 |     WideString wsIDVal = pNode->JSObject()->GetCData(XFA_Attribute::Id); | 
 |     if (!wsIDVal.IsEmpty() && wsIDVal == wsID) | 
 |       return pNode; | 
 |   } | 
 |   return nullptr; | 
 | } | 
 |  | 
 | void CXFA_Document::DoProtoMerge() { | 
 |   CXFA_Node* pTemplateRoot = ToNode(GetXFAObject(XFA_HASHCODE_Template)); | 
 |   if (!pTemplateRoot) | 
 |     return; | 
 |  | 
 |   std::map<uint32_t, CXFA_Node*> mIDMap; | 
 |   std::set<CXFA_Node*> sUseNodes; | 
 |   CXFA_NodeIterator sIterator(pTemplateRoot); | 
 |   for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode; | 
 |        pNode = sIterator.MoveToNext()) { | 
 |     WideString wsIDVal = pNode->JSObject()->GetCData(XFA_Attribute::Id); | 
 |     if (!wsIDVal.IsEmpty()) | 
 |       mIDMap[FX_HashCode_GetW(wsIDVal.AsStringView())] = pNode; | 
 |  | 
 |     WideString wsUseVal = pNode->JSObject()->GetCData(XFA_Attribute::Use); | 
 |     if (!wsUseVal.IsEmpty()) { | 
 |       sUseNodes.insert(pNode); | 
 |     } else { | 
 |       wsUseVal = pNode->JSObject()->GetCData(XFA_Attribute::Usehref); | 
 |       if (!wsUseVal.IsEmpty()) | 
 |         sUseNodes.insert(pNode); | 
 |     } | 
 |   } | 
 |  | 
 |   for (CXFA_Node* pUseHrefNode : sUseNodes) { | 
 |     // Must outlive the WideStringViews below. | 
 |     WideString wsUseVal = | 
 |         pUseHrefNode->JSObject()->GetCData(XFA_Attribute::Usehref); | 
 |     WideStringView wsURI; | 
 |     WideStringView wsID; | 
 |     WideStringView wsSOM; | 
 |     if (!wsUseVal.IsEmpty()) { | 
 |       ParseUseHref(wsUseVal, wsURI, wsID, wsSOM); | 
 |       if (!wsURI.IsEmpty() && !wsURI.EqualsASCII(".")) | 
 |         continue; | 
 |     } else { | 
 |       wsUseVal = pUseHrefNode->JSObject()->GetCData(XFA_Attribute::Use); | 
 |       ParseUse(wsUseVal, wsID, wsSOM); | 
 |     } | 
 |  | 
 |     CXFA_Node* pProtoNode = nullptr; | 
 |     if (!wsSOM.IsEmpty()) { | 
 |       absl::optional<CFXJSE_Engine::ResolveResult> maybeResult = | 
 |           m_pScriptContext->ResolveObjects( | 
 |               pUseHrefNode, wsSOM, | 
 |               Mask<XFA_ResolveFlag>{ | 
 |                   XFA_ResolveFlag::kChildren, XFA_ResolveFlag::kAttributes, | 
 |                   XFA_ResolveFlag::kProperties, XFA_ResolveFlag::kParent, | 
 |                   XFA_ResolveFlag::kSiblings}); | 
 |       if (maybeResult.has_value()) { | 
 |         auto* pFirstObject = maybeResult.value().objects.front().Get(); | 
 |         if (pFirstObject && pFirstObject->IsNode()) | 
 |           pProtoNode = pFirstObject->AsNode(); | 
 |       } | 
 |     } else if (!wsID.IsEmpty()) { | 
 |       auto it = mIDMap.find(FX_HashCode_GetW(wsID)); | 
 |       if (it == mIDMap.end()) | 
 |         continue; | 
 |       pProtoNode = it->second; | 
 |     } | 
 |     if (!pProtoNode) | 
 |       continue; | 
 |  | 
 |     MergeNode(pUseHrefNode, pProtoNode); | 
 |   } | 
 | } | 
 |  | 
 | // static | 
 | void CXFA_Document::ParseUseHref(const WideString& wsUseVal, | 
 |                                  WideStringView& wsURI, | 
 |                                  WideStringView& wsID, | 
 |                                  WideStringView& wsSOM) { | 
 |   if (wsUseVal.IsEmpty()) | 
 |     return; | 
 |  | 
 |   auto uSharpPos = wsUseVal.Find('#'); | 
 |   if (!uSharpPos.has_value()) { | 
 |     wsURI = wsUseVal.AsStringView(); | 
 |     return; | 
 |   } | 
 |   wsURI = wsUseVal.AsStringView().First(uSharpPos.value()); | 
 |   if (wsUseVal.AsStringView().Substr(uSharpPos.value(), 5) == L"#som(" && | 
 |       wsUseVal.Back() == ')') { | 
 |     wsSOM = wsUseVal.AsStringView().Substr( | 
 |         uSharpPos.value() + 5, | 
 |         wsUseVal.GetLength() - 1 - uSharpPos.value() - 5); | 
 |     return; | 
 |   } | 
 |   wsID = wsUseVal.AsStringView().Substr(uSharpPos.value() + 1); | 
 | } | 
 |  | 
 | // static | 
 | void CXFA_Document::ParseUse(const WideString& wsUseVal, | 
 |                              WideStringView& wsID, | 
 |                              WideStringView& wsSOM) { | 
 |   if (wsUseVal.IsEmpty()) | 
 |     return; | 
 |  | 
 |   if (wsUseVal[0] == '#') { | 
 |     wsID = wsUseVal.AsStringView().Substr(1); | 
 |     return; | 
 |   } | 
 |   wsSOM = wsUseVal.AsStringView(); | 
 | } | 
 |  | 
 | CXFA_Node* CXFA_Document::DataMerge_CopyContainer(CXFA_Node* pTemplateNode, | 
 |                                                   CXFA_Node* pFormNode, | 
 |                                                   CXFA_Node* pDataScope, | 
 |                                                   bool bOneInstance, | 
 |                                                   bool bDataMerge, | 
 |                                                   bool bUpLevel) { | 
 |   DCHECK(pTemplateNode->IsContainerNode()); | 
 |   switch (pTemplateNode->GetElementType()) { | 
 |     case XFA_Element::Area: | 
 |     case XFA_Element::PageArea: | 
 |     case XFA_Element::Subform: | 
 |     case XFA_Element::SubformSet: | 
 |       return CopyContainer_SubformSet(this, pTemplateNode, pFormNode, | 
 |                                       pDataScope, bOneInstance, bDataMerge); | 
 |     case XFA_Element::ContentArea: | 
 |     case XFA_Element::Draw: | 
 |     case XFA_Element::ExclGroup: | 
 |     case XFA_Element::Field: | 
 |       return CopyContainer_Field(this, pTemplateNode, pFormNode, pDataScope, | 
 |                                  bDataMerge, bUpLevel); | 
 |     case XFA_Element::PageSet: | 
 |     case XFA_Element::Variables: | 
 |       return nullptr; | 
 |     default: | 
 |       NOTREACHED(); | 
 |       return nullptr; | 
 |   } | 
 | } | 
 |  | 
 | void CXFA_Document::DataMerge_UpdateBindingRelations( | 
 |     CXFA_Node* pFormUpdateRoot) { | 
 |   CXFA_Node* pDataScope = | 
 |       XFA_DataMerge_FindDataScope(pFormUpdateRoot->GetParent()); | 
 |   if (!pDataScope) | 
 |     return; | 
 |  | 
 |   UpdateBindingRelations(this, pFormUpdateRoot, pDataScope, false, false); | 
 |   UpdateBindingRelations(this, pFormUpdateRoot, pDataScope, true, false); | 
 | } | 
 |  | 
 | CXFA_Node* CXFA_Document::GetNotBindNode( | 
 |     pdfium::span<cppgc::Member<CXFA_Object>> arrayObjects) const { | 
 |   for (auto& pObject : arrayObjects) { | 
 |     CXFA_Node* pNode = pObject->AsNode(); | 
 |     if (pNode && !pNode->HasBindItem()) | 
 |       return pNode; | 
 |   } | 
 |   return nullptr; | 
 | } | 
 |  | 
 | void CXFA_Document::DoDataMerge() { | 
 |   CXFA_Node* pDatasetsRoot = ToNode(GetXFAObject(XFA_HASHCODE_Datasets)); | 
 |   if (!pDatasetsRoot) { | 
 |     // Ownership will be passed in the AppendChild below to the XML tree. | 
 |     auto* pDatasetsXMLNode = | 
 |         notify_->GetFFDoc()->GetXMLDocument()->CreateNode<CFX_XMLElement>( | 
 |             L"xfa:datasets"); | 
 |     pDatasetsXMLNode->SetAttribute(L"xmlns:xfa", | 
 |                                    L"http://www.xfa.org/schema/xfa-data/1.0/"); | 
 |     pDatasetsRoot = | 
 |         CreateNode(XFA_PacketType::Datasets, XFA_Element::DataModel); | 
 |     pDatasetsRoot->JSObject()->SetCData(XFA_Attribute::Name, L"datasets"); | 
 |  | 
 |     m_pRootNode->GetXMLMappingNode()->AppendLastChild(pDatasetsXMLNode); | 
 |     m_pRootNode->InsertChildAndNotify(pDatasetsRoot, nullptr); | 
 |     pDatasetsRoot->SetXMLMappingNode(pDatasetsXMLNode); | 
 |   } | 
 |  | 
 |   CXFA_Node* pDataRoot = nullptr; | 
 |   CXFA_Node* pDDRoot = nullptr; | 
 |   WideString wsDatasetsURI = | 
 |       pDatasetsRoot->JSObject()->TryNamespace().value_or(WideString()); | 
 |   for (CXFA_Node* pChildNode = pDatasetsRoot->GetFirstChild(); pChildNode; | 
 |        pChildNode = pChildNode->GetNextSibling()) { | 
 |     if (pChildNode->GetElementType() != XFA_Element::DataGroup) | 
 |       continue; | 
 |  | 
 |     if (!pDDRoot && pChildNode->GetNameHash() == XFA_HASHCODE_DataDescription) { | 
 |       absl::optional<WideString> namespaceURI = | 
 |           pChildNode->JSObject()->TryNamespace(); | 
 |       if (!namespaceURI.has_value()) | 
 |         continue; | 
 |       if (namespaceURI.value().EqualsASCII( | 
 |               "http://ns.adobe.com/data-description/")) { | 
 |         pDDRoot = pChildNode; | 
 |       } | 
 |     } else if (!pDataRoot && pChildNode->GetNameHash() == XFA_HASHCODE_Data) { | 
 |       absl::optional<WideString> namespaceURI = | 
 |           pChildNode->JSObject()->TryNamespace(); | 
 |       if (!namespaceURI.has_value()) | 
 |         continue; | 
 |       if (namespaceURI == wsDatasetsURI) | 
 |         pDataRoot = pChildNode; | 
 |     } | 
 |     if (pDataRoot && pDDRoot) | 
 |       break; | 
 |   } | 
 |  | 
 |   if (!pDataRoot) { | 
 |     pDataRoot = CreateNode(XFA_PacketType::Datasets, XFA_Element::DataGroup); | 
 |     pDataRoot->JSObject()->SetCData(XFA_Attribute::Name, L"data"); | 
 |  | 
 |     auto* elem = | 
 |         notify_->GetFFDoc()->GetXMLDocument()->CreateNode<CFX_XMLElement>( | 
 |             L"xfa:data"); | 
 |     pDataRoot->SetXMLMappingNode(elem); | 
 |     pDatasetsRoot->InsertChildAndNotify(pDataRoot, nullptr); | 
 |   } | 
 |  | 
 |   CXFA_DataGroup* pDataTopLevel = | 
 |       pDataRoot->GetFirstChildByClass<CXFA_DataGroup>(XFA_Element::DataGroup); | 
 |   uint32_t dwNameHash = pDataTopLevel ? pDataTopLevel->GetNameHash() : 0; | 
 |   CXFA_Template* pTemplateRoot = | 
 |       m_pRootNode->GetFirstChildByClass<CXFA_Template>(XFA_Element::Template); | 
 |   if (!pTemplateRoot) | 
 |     return; | 
 |  | 
 |   CXFA_Node* pTemplateChosen = | 
 |       dwNameHash != 0 ? pTemplateRoot->GetFirstChildByName(dwNameHash) | 
 |                       : nullptr; | 
 |   if (!pTemplateChosen || | 
 |       pTemplateChosen->GetElementType() != XFA_Element::Subform) { | 
 |     pTemplateChosen = | 
 |         pTemplateRoot->GetFirstChildByClass<CXFA_Subform>(XFA_Element::Subform); | 
 |   } | 
 |   if (!pTemplateChosen) | 
 |     return; | 
 |  | 
 |   CXFA_Form* pFormRoot = | 
 |       m_pRootNode->GetFirstChildByClass<CXFA_Form>(XFA_Element::Form); | 
 |   bool bEmptyForm = false; | 
 |   if (!pFormRoot) { | 
 |     bEmptyForm = true; | 
 |     pFormRoot = static_cast<CXFA_Form*>( | 
 |         CreateNode(XFA_PacketType::Form, XFA_Element::Form)); | 
 |     DCHECK(pFormRoot); | 
 |     pFormRoot->JSObject()->SetCData(XFA_Attribute::Name, L"form"); | 
 |     m_pRootNode->InsertChildAndNotify(pFormRoot, nullptr); | 
 |   } else { | 
 |     CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFANode> | 
 |         sIterator(pFormRoot); | 
 |     for (CXFA_Node* pNode = sIterator.MoveToNext(); pNode; | 
 |          pNode = sIterator.MoveToNext()) { | 
 |       pNode->SetFlag(XFA_NodeFlag::kUnusedNode); | 
 |     } | 
 |   } | 
 |  | 
 |   CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer( | 
 |       this, pFormRoot, pTemplateChosen, false, nullptr); | 
 |   DCHECK(pSubformSetNode); | 
 |   if (!pDataTopLevel) { | 
 |     WideString wsFormName = | 
 |         pSubformSetNode->JSObject()->GetCData(XFA_Attribute::Name); | 
 |     WideString wsDataTopLevelName(wsFormName.IsEmpty() ? L"form" : wsFormName); | 
 |  | 
 |     pDataTopLevel = static_cast<CXFA_DataGroup*>( | 
 |         CreateNode(XFA_PacketType::Datasets, XFA_Element::DataGroup)); | 
 |     pDataTopLevel->JSObject()->SetCData(XFA_Attribute::Name, | 
 |                                         wsDataTopLevelName); | 
 |  | 
 |     auto* elem = | 
 |         notify_->GetFFDoc()->GetXMLDocument()->CreateNode<CFX_XMLElement>( | 
 |             wsDataTopLevelName); | 
 |     pDataTopLevel->SetXMLMappingNode(elem); | 
 |  | 
 |     CXFA_Node* pBeforeNode = pDataRoot->GetFirstChild(); | 
 |     pDataRoot->InsertChildAndNotify(pDataTopLevel, pBeforeNode); | 
 |   } | 
 |  | 
 |   DCHECK(pDataTopLevel); | 
 |   CreateDataBinding(pSubformSetNode, pDataTopLevel, true); | 
 |   for (CXFA_Node* pTemplateChild = pTemplateChosen->GetFirstChild(); | 
 |        pTemplateChild; pTemplateChild = pTemplateChild->GetNextSibling()) { | 
 |     if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, true)) { | 
 |       XFA_NodeMerge_CloneOrMergeContainer(this, pSubformSetNode, pTemplateChild, | 
 |                                           true, nullptr); | 
 |     } else if (pTemplateChild->IsContainerNode()) { | 
 |       DataMerge_CopyContainer(pTemplateChild, pSubformSetNode, pDataTopLevel, | 
 |                               false, true, true); | 
 |     } | 
 |   } | 
 |   if (pDDRoot) | 
 |     UpdateDataRelation(pDataRoot, pDDRoot); | 
 |  | 
 |   DataMerge_UpdateBindingRelations(pSubformSetNode); | 
 |   CXFA_PageSet* pPageSetNode = | 
 |       pSubformSetNode->GetFirstChildByClass<CXFA_PageSet>(XFA_Element::PageSet); | 
 |   while (pPageSetNode) { | 
 |     m_pPendingPageSet.push_back(pPageSetNode); | 
 |     CXFA_PageSet* pNextPageSetNode = | 
 |         pPageSetNode->GetNextSameClassSibling<CXFA_PageSet>( | 
 |             XFA_Element::PageSet); | 
 |     pSubformSetNode->RemoveChildAndNotify(pPageSetNode, true); | 
 |     pPageSetNode = pNextPageSetNode; | 
 |   } | 
 |  | 
 |   if (bEmptyForm) | 
 |     return; | 
 |  | 
 |   CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFANode> sIterator( | 
 |       pFormRoot); | 
 |   CXFA_Node* pNode = sIterator.MoveToNext(); | 
 |   while (pNode) { | 
 |     if (pNode->IsUnusedNode()) { | 
 |       if (pNode->IsContainerNode() || | 
 |           pNode->GetElementType() == XFA_Element::InstanceManager) { | 
 |         CXFA_Node* pNext = sIterator.SkipChildrenAndMoveToNext(); | 
 |         pNode->GetParent()->RemoveChildAndNotify(pNode, true); | 
 |         pNode = pNext; | 
 |       } else { | 
 |         pNode->ClearFlag(XFA_NodeFlag::kUnusedNode); | 
 |         pNode->SetInitializedFlagAndNotify(); | 
 |         pNode = sIterator.MoveToNext(); | 
 |       } | 
 |     } else { | 
 |       pNode->SetInitializedFlagAndNotify(); | 
 |       pNode = sIterator.MoveToNext(); | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | void CXFA_Document::DoDataRemerge() { | 
 |   CXFA_Node* pFormRoot = ToNode(GetXFAObject(XFA_HASHCODE_Form)); | 
 |   if (pFormRoot) { | 
 |     while (CXFA_Node* pNode = pFormRoot->GetFirstChild()) | 
 |       pFormRoot->RemoveChildAndNotify(pNode, true); | 
 |  | 
 |     pFormRoot->SetBindingNode(nullptr); | 
 |   } | 
 |   m_rgGlobalBinding.clear(); | 
 |   DoDataMerge(); | 
 |   GetLayoutProcessor()->SetForceRelayout(); | 
 | } | 
 |  | 
 | CXFA_Node* CXFA_Document::GetGlobalBinding(uint32_t dwNameHash) { | 
 |   auto it = m_rgGlobalBinding.find(dwNameHash); | 
 |   return it != m_rgGlobalBinding.end() ? it->second : nullptr; | 
 | } | 
 |  | 
 | void CXFA_Document::RegisterGlobalBinding(uint32_t dwNameHash, | 
 |                                           CXFA_Node* pDataNode) { | 
 |   m_rgGlobalBinding[dwNameHash] = pDataNode; | 
 | } | 
 |  | 
 | size_t CXFA_Document::GetPendingNodesCount() const { | 
 |   return m_pPendingPageSet.size(); | 
 | } | 
 |  | 
 | CXFA_Node* CXFA_Document::GetPendingNodeAtIndex(size_t index) const { | 
 |   return m_pPendingPageSet[index]; | 
 | } | 
 |  | 
 | void CXFA_Document::AppendPendingNode(CXFA_Node* node) { | 
 |   m_pPendingPageSet.push_back(node); | 
 | } | 
 |  | 
 | void CXFA_Document::ClearPendingNodes() { | 
 |   m_pPendingPageSet.clear(); | 
 | } | 
 |  | 
 | void CXFA_Document::SetPendingNodesUnusedAndUnbound() { | 
 |   for (CXFA_Node* pPageNode : m_pPendingPageSet) { | 
 |     CXFA_NodeIterator sIterator(pPageNode); | 
 |     for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode; | 
 |          pNode = sIterator.MoveToNext()) { | 
 |       if (pNode->IsContainerNode()) { | 
 |         CXFA_Node* pBindNode = pNode->GetBindData(); | 
 |         if (pBindNode) { | 
 |           pBindNode->RemoveBindItem(pNode); | 
 |           pNode->SetBindingNode(nullptr); | 
 |         } | 
 |       } | 
 |       pNode->SetFlag(XFA_NodeFlag::kUnusedNode); | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | CXFA_Document::LayoutProcessorIface::LayoutProcessorIface() = default; | 
 |  | 
 | CXFA_Document::LayoutProcessorIface::~LayoutProcessorIface() = default; | 
 |  | 
 | void CXFA_Document::LayoutProcessorIface::Trace(cppgc::Visitor* visitor) const { | 
 |   visitor->Trace(m_pDocument); | 
 | } |