Remove 2 param CXFA_Node::GetNodeItem

This CL removes the CXFA_Node::GetNodeItem(kind, object_type) method in
favour of explicit methods. All of the callers passed in a
XFA_ObjectType::ContainerNode.
Change-Id: I713184d3fa188a122284f50ac2a6b0fd3d7aed26
Reviewed-on: https://pdfium-review.googlesource.com/22651
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

6 files changed, 57 insertions, 92 deletions

diff --git a/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp b/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
index 0b8daa8970..6275650370 100644
--- a/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
+++ b/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
@@ -521,12 +521,8 @@ bool ExistContainerKeep(CXFA_Node* pCurNode, bool bPreFind) {
   if (!pCurNode || !XFA_ItemLayoutProcessor_IsTakingSpace(pCurNode))
     return false;
 
-  XFA_NODEITEM eItemType = XFA_NODEITEM_PrevSibling;
-  if (!bPreFind)
-    eItemType = XFA_NODEITEM_NextSibling;
-
-  CXFA_Node* pPreContainer =
-      pCurNode->GetNodeItem(eItemType, XFA_ObjectType::ContainerNode);
+  CXFA_Node* pPreContainer = bPreFind ? pCurNode->GetPrevContainerSibling()
+                                      : pCurNode->GetNextContainerSibling();
   if (!pPreContainer)
     return false;
 
@@ -1470,15 +1466,12 @@ void CXFA_ItemLayoutProcessor::GotoNextContainerNode(
     CheckNextChildContainer : {
       CXFA_Node* pNextChildContainer =
           pChildContainer == XFA_LAYOUT_INVALIDNODE
-              ? pEntireContainer->GetNodeItem(XFA_NODEITEM_FirstChild,
-                                              XFA_ObjectType::ContainerNode)
-              : pChildContainer->GetNodeItem(XFA_NODEITEM_NextSibling,
-                                             XFA_ObjectType::ContainerNode);
+              ? pEntireContainer->GetFirstContainerChild()
+              : pChildContainer->GetNextContainerSibling();
       while (pNextChildContainer &&
              pNextChildContainer->IsLayoutGeneratedNode()) {
         CXFA_Node* pSaveNode = pNextChildContainer;
-        pNextChildContainer = pNextChildContainer->GetNodeItem(
-            XFA_NODEITEM_NextSibling, XFA_ObjectType::ContainerNode);
+        pNextChildContainer = pNextChildContainer->GetNextContainerSibling();
         if (pSaveNode->IsUnusedNode())
           DeleteLayoutGeneratedNode(pSaveNode);
       }
@@ -2171,11 +2164,8 @@ XFA_ItemLayoutProcessorResult CXFA_ItemLayoutProcessor::DoLayoutFlowedContainer(
     bool bFocrTb = false;
     if (pParentNode &&
         GetLayout(pParentNode, &bFocrTb) == XFA_AttributeEnum::Row) {
-      CXFA_Node* pChildContainer = m_pFormNode->GetNodeItem(
-          XFA_NODEITEM_FirstChild, XFA_ObjectType::ContainerNode);
-      if (pChildContainer &&
-          pChildContainer->GetNodeItem(XFA_NODEITEM_NextSibling,
-                                       XFA_ObjectType::ContainerNode)) {
+      CXFA_Node* pChildContainer = m_pFormNode->GetFirstContainerChild();
+      if (pChildContainer && pChildContainer->GetNextContainerSibling()) {
         containerSize.height = 0;
         bContainerHeightAutoSize = true;
       }
diff --git a/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp b/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
index c1947cf9cc..35a1bc8283 100644
--- a/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
+++ b/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
@@ -239,8 +239,7 @@ bool RunBreakTestScript(CXFA_Script* pTestScript) {
   if (wsExpression.IsEmpty())
     return true;
   return pTestScript->GetDocument()->GetNotify()->RunScript(
-      pTestScript, pTestScript->GetNodeItem(XFA_NODEITEM_Parent,
-                                            XFA_ObjectType::ContainerNode));
+      pTestScript, pTestScript->GetContainerParent());
 }
 
 }  // namespace
@@ -810,8 +809,7 @@ bool CXFA_LayoutPageMgr::ExecuteBreakBeforeOrAfter(
     case XFA_Element::BreakAfter: {
       WideString wsBreakLeader;
       WideString wsBreakTrailer;
-      CXFA_Node* pFormNode = pCurNode->GetNodeItem(
-          XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode);
+      CXFA_Node* pFormNode = pCurNode->GetContainerParent();
       CXFA_Node* pContainer = pFormNode->GetTemplateNode();
       bool bStartNew =
           pCurNode->JSObject()->GetInteger(XFA_Attribute::StartNew) != 0;
@@ -838,12 +836,9 @@ bool CXFA_LayoutPageMgr::ExecuteBreakBeforeOrAfter(
       if (!m_ProposedContainerRecords.empty() &&
           m_CurrentContainerRecordIter == m_ProposedContainerRecords.begin() &&
           eType == XFA_Element::BreakBefore) {
-        CXFA_Node* pParentNode = pFormNode->GetNodeItem(
-            XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode);
+        CXFA_Node* pParentNode = pFormNode->GetContainerParent();
         if (!pParentNode ||
-            pFormNode !=
-                pParentNode->GetNodeItem(XFA_NODEITEM_FirstChild,
-                                         XFA_ObjectType::ContainerNode)) {
+            pFormNode != pParentNode->GetFirstContainerChild()) {
           break;
         }
         pParentNode = pParentNode->GetParent();
@@ -884,15 +879,13 @@ bool CXFA_LayoutPageMgr::ProcessBreakBeforeOrAfter(
     bool& bCreatePage) {
   CXFA_Node* pLeaderTemplate = nullptr;
   CXFA_Node* pTrailerTemplate = nullptr;
-  CXFA_Node* pFormNode = pBreakNode->GetNodeItem(XFA_NODEITEM_Parent,
-                                                 XFA_ObjectType::ContainerNode);
+  CXFA_Node* pFormNode = pBreakNode->GetContainerParent();
   if (XFA_ItemLayoutProcessor_IsTakingSpace(pFormNode)) {
     bCreatePage = ExecuteBreakBeforeOrAfter(pBreakNode, bBefore,
                                             pLeaderTemplate, pTrailerTemplate);
     CXFA_Document* pDocument = pBreakNode->GetDocument();
     CXFA_Node* pDataScope = nullptr;
-    pFormNode = pFormNode->GetNodeItem(XFA_NODEITEM_Parent,
-                                       XFA_ObjectType::ContainerNode);
+    pFormNode = pFormNode->GetContainerParent();
     if (pLeaderTemplate) {
       if (!pDataScope)
         pDataScope = XFA_DataMerge_FindDataScope(pFormNode);
@@ -921,8 +914,7 @@ bool CXFA_LayoutPageMgr::ProcessBookendLeaderOrTrailer(
     bool bLeader,
     CXFA_Node*& pBookendAppendNode) {
   CXFA_Node* pLeaderTemplate = nullptr;
-  CXFA_Node* pFormNode = pBookendNode->GetNodeItem(
-      XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode);
+  CXFA_Node* pFormNode = pBookendNode->GetContainerParent();
   if (ResolveBookendLeaderOrTrailer(pBookendNode, bLeader, pLeaderTemplate)) {
     CXFA_Document* pDocument = pBookendNode->GetDocument();
     CXFA_Node* pDataScope = nullptr;
@@ -945,9 +937,7 @@ CXFA_Node* CXFA_LayoutPageMgr::BreakOverflow(CXFA_Node* pOverflowNode,
                                              CXFA_Node*& pTrailerTemplate,
                                              bool bCreatePage) {
   CXFA_Node* pContainer =
-      pOverflowNode
-          ->GetNodeItem(XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode)
-          ->GetTemplateNode();
+      pOverflowNode->GetContainerParent()->GetTemplateNode();
   if (pOverflowNode->GetElementType() == XFA_Element::Break) {
     WideString wsOverflowLeader =
         pOverflowNode->JSObject()->GetCData(XFA_Attribute::OverflowLeader);
@@ -1078,10 +1068,7 @@ bool CXFA_LayoutPageMgr::ResolveBookendLeaderOrTrailer(
     CXFA_Node* pBookendNode,
     bool bLeader,
     CXFA_Node*& pBookendAppendTemplate) {
-  CXFA_Node* pContainer =
-      pBookendNode
-          ->GetNodeItem(XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode)
-          ->GetTemplateNode();
+  CXFA_Node* pContainer = pBookendNode->GetContainerParent()->GetTemplateNode();
   if (pBookendNode->GetElementType() == XFA_Element::Break) {
     WideString leader = pBookendNode->JSObject()->GetCData(
         bLeader ? XFA_Attribute::BookendLeader : XFA_Attribute::BookendTrailer);
diff --git a/xfa/fxfa/parser/cxfa_layoutprocessor.cpp b/xfa/fxfa/parser/cxfa_layoutprocessor.cpp
index 36caa0c0a6..b074de13eb 100644
--- a/xfa/fxfa/parser/cxfa_layoutprocessor.cpp
+++ b/xfa/fxfa/parser/cxfa_layoutprocessor.cpp
@@ -101,8 +101,7 @@ bool CXFA_LayoutProcessor::IncrementLayout() {
     return DoLayout() == 100;
   }
   for (CXFA_Node* pNode : m_rgChangedContainers) {
-    CXFA_Node* pParentNode =
-        pNode->GetNodeItem(XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode);
+    CXFA_Node* pParentNode = pNode->GetContainerParent();
     if (!pParentNode)
       return false;
     if (!CXFA_ItemLayoutProcessor::IncrementRelayoutNode(this, pNode,
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index ad70e94256..6d77f74c4e 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -277,39 +277,38 @@ CXFA_Node* CXFA_Node::GetPrevSibling() const {
   return nullptr;
 }
 
-CXFA_Node* CXFA_Node::GetNodeItem(XFA_NODEITEM eItem,
-                                  XFA_ObjectType eType) const {
-  CXFA_Node* pNode = nullptr;
-  switch (eItem) {
-    case XFA_NODEITEM_NextSibling:
-      pNode = m_pNext;
-      while (pNode && pNode->GetObjectType() != eType)
-        pNode = pNode->m_pNext;
-      break;
-    case XFA_NODEITEM_FirstChild:
-      pNode = m_pChild;
-      while (pNode && pNode->GetObjectType() != eType)
-        pNode = pNode->m_pNext;
-      break;
-    case XFA_NODEITEM_Parent:
-      pNode = m_pParent;
-      while (pNode && pNode->GetObjectType() != eType)
-        pNode = pNode->m_pParent;
-      break;
-    case XFA_NODEITEM_PrevSibling:
-      if (m_pParent) {
-        CXFA_Node* pSibling = m_pParent->m_pChild;
-        while (pSibling && pSibling != this) {
-          if (eType == pSibling->GetObjectType())
-            pNode = pSibling;
-
-          pSibling = pSibling->m_pNext;
-        }
-      }
-      break;
-    default:
-      break;
+CXFA_Node* CXFA_Node::GetNextContainerSibling() const {
+  CXFA_Node* pNode = m_pNext;
+  while (pNode && pNode->GetObjectType() != XFA_ObjectType::ContainerNode)
+    pNode = pNode->m_pNext;
+  return pNode;
+}
+
+CXFA_Node* CXFA_Node::GetPrevContainerSibling() const {
+  if (!m_pParent || m_pParent->m_pChild == this)
+    return nullptr;
+
+  CXFA_Node* container = nullptr;
+  for (CXFA_Node* pNode = m_pParent->m_pChild; pNode; pNode = pNode->m_pNext) {
+    if (pNode->GetObjectType() == XFA_ObjectType::ContainerNode)
+      container = pNode;
+    if (pNode->m_pNext == this)
+      return container;
   }
+  return nullptr;
+}
+
+CXFA_Node* CXFA_Node::GetFirstContainerChild() const {
+  CXFA_Node* pNode = m_pChild;
+  while (pNode && pNode->GetObjectType() != XFA_ObjectType::ContainerNode)
+    pNode = pNode->m_pNext;
+  return pNode;
+}
+
+CXFA_Node* CXFA_Node::GetContainerParent() const {
+  CXFA_Node* pNode = m_pParent;
+  while (pNode && pNode->GetObjectType() != XFA_ObjectType::ContainerNode)
+    pNode = pNode->m_pParent;
   return pNode;
 }
 
@@ -672,8 +671,7 @@ XFA_AttributeEnum CXFA_Node::GetIntact() {
       if (*intact == XFA_AttributeEnum::None &&
           eLayoutType == XFA_AttributeEnum::Row &&
           m_pDocument->GetCurVersionMode() < XFA_VERSION_208) {
-        CXFA_Node* pPreviewRow = GetNodeItem(XFA_NODEITEM_PrevSibling,
-                                             XFA_ObjectType::ContainerNode);
+        CXFA_Node* pPreviewRow = GetPrevContainerSibling();
         if (pPreviewRow &&
             pPreviewRow->JSObject()->GetEnum(XFA_Attribute::Layout) ==
                 XFA_AttributeEnum::Row) {
@@ -1583,9 +1581,7 @@ CXFA_Para* CXFA_Node::GetPara() const {
 }
 
 bool CXFA_Node::IsOpenAccess() {
-  for (auto* pNode = this; pNode;
-       pNode = pNode->GetNodeItem(XFA_NODEITEM_Parent,
-                                  XFA_ObjectType::ContainerNode)) {
+  for (auto* pNode = this; pNode; pNode = pNode->GetContainerParent()) {
     XFA_AttributeEnum iAcc = pNode->JSObject()->GetEnum(XFA_Attribute::Access);
     if (iAcc != XFA_AttributeEnum::Open)
       return false;
diff --git a/xfa/fxfa/parser/cxfa_node.h b/xfa/fxfa/parser/cxfa_node.h
index fe1c3e007f..c1074ffaad 100644
--- a/xfa/fxfa/parser/cxfa_node.h
+++ b/xfa/fxfa/parser/cxfa_node.h
@@ -55,13 +55,6 @@ enum XFA_NodeFlag {
   XFA_NodeFlag_LayoutGeneratedNode = 1 << 8
 };
 
-enum XFA_NODEITEM {
-  XFA_NODEITEM_Parent,
-  XFA_NODEITEM_FirstChild,
-  XFA_NODEITEM_NextSibling,
-  XFA_NODEITEM_PrevSibling,
-};
-
 class CXFA_Node : public CXFA_Object {
  public:
   struct PropertyData {
@@ -188,7 +181,10 @@ class CXFA_Node : public CXFA_Object {
   CXFA_Node* GetFirstChild() const { return m_pChild; }
   CXFA_Node* GetParent() const { return m_pParent; }
 
-  CXFA_Node* GetNodeItem(XFA_NODEITEM eItem, XFA_ObjectType eType) const;
+  CXFA_Node* GetNextContainerSibling() const;
+  CXFA_Node* GetPrevContainerSibling() const;
+  CXFA_Node* GetFirstContainerChild() const;
+  CXFA_Node* GetContainerParent() const;
 
   std::vector<CXFA_Node*> GetNodeList(uint32_t dwTypeFilter,
                                       XFA_Element eTypeFilter);
diff --git a/xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h b/xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h
index ce6463c700..3ca632a1d1 100644
--- a/xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h
+++ b/xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h
@@ -13,16 +13,13 @@
 class CXFA_TraverseStrategy_XFAContainerNode {
  public:
   static CXFA_Node* GetFirstChild(CXFA_Node* pTemplateNode) {
-    return pTemplateNode->GetNodeItem(XFA_NODEITEM_FirstChild,
-                                      XFA_ObjectType::ContainerNode);
+    return pTemplateNode->GetFirstContainerChild();
   }
   static CXFA_Node* GetNextSibling(CXFA_Node* pTemplateNode) {
-    return pTemplateNode->GetNodeItem(XFA_NODEITEM_NextSibling,
-                                      XFA_ObjectType::ContainerNode);
+    return pTemplateNode->GetNextContainerSibling();
   }
   static CXFA_Node* GetParent(CXFA_Node* pTemplateNode) {
-    return pTemplateNode->GetNodeItem(XFA_NODEITEM_Parent,
-                                      XFA_ObjectType::ContainerNode);
+    return pTemplateNode->GetContainerParent();
   }
 };