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>

1 files changed, 488 insertions, 0 deletions

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;
+}