Fold CXFA_OccurData into CXFA_Occur

This CL folds the CXFA_OccurData wrapper into CXFA_Occur.

Change-Id: I52e237e4f6b76f6915c397e924037562fd9eda6a
Reviewed-on: https://pdfium-review.googlesource.com/22130
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

8 files changed, 60 insertions, 103 deletions

diff --git a/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp b/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
index 0bf547a000..61863d13b4 100644
--- a/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
+++ b/xfa/fxfa/parser/cxfa_itemlayoutprocessor.cpp
@@ -27,7 +27,6 @@
 #include "xfa/fxfa/parser/cxfa_node.h"
 #include "xfa/fxfa/parser/cxfa_nodeiteratortemplate.h"
 #include "xfa/fxfa/parser/cxfa_occur.h"
-#include "xfa/fxfa/parser/cxfa_occurdata.h"
 #include "xfa/fxfa/parser/cxfa_para.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfanode.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
@@ -2851,9 +2850,8 @@ bool CXFA_ItemLayoutProcessor::JudgeLeaderOrTrailerForOccur(
   if (!pTemplate)
     pTemplate = pFormNode;
 
-  int32_t iMax = CXFA_OccurData(pTemplate->GetFirstChildByClass<CXFA_Occur>(
-                                    XFA_Element::Occur))
-                     .GetMax();
+  int32_t iMax =
+      pTemplate->GetFirstChildByClass<CXFA_Occur>(XFA_Element::Occur)->GetMax();
   if (iMax < 0)
     return true;
 
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index 3d05b53bfd..ac1398822d 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -35,7 +35,6 @@
 #include "xfa/fxfa/parser/cxfa_measurement.h"
 #include "xfa/fxfa/parser/cxfa_nodeiteratortemplate.h"
 #include "xfa/fxfa/parser/cxfa_occur.h"
-#include "xfa/fxfa/parser/cxfa_occurdata.h"
 #include "xfa/fxfa/parser/cxfa_simple_parser.h"
 #include "xfa/fxfa/parser/cxfa_subform.h"
 #include "xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h"
@@ -1067,7 +1066,7 @@ CXFA_Node* CXFA_Node::GetInstanceMgrOfSubform() {
   return pInstanceMgr;
 }
 
-CXFA_Node* CXFA_Node::GetOccurNode() {
+CXFA_Occur* CXFA_Node::GetOccur() {
   return GetFirstChildByClass<CXFA_Occur>(XFA_Element::Occur);
 }
 
diff --git a/xfa/fxfa/parser/cxfa_node.h b/xfa/fxfa/parser/cxfa_node.h
index c9f1505f2e..81d0bfc359 100644
--- a/xfa/fxfa/parser/cxfa_node.h
+++ b/xfa/fxfa/parser/cxfa_node.h
@@ -18,6 +18,7 @@
 #include "xfa/fxfa/parser/cxfa_object.h"
 
 class CFX_XMLNode;
+class CXFA_Occur;
 class CXFA_WidgetData;
 
 #define XFA_NODEFILTER_Children 0x01
@@ -204,7 +205,7 @@ class CXFA_Node : public CXFA_Object {
   int32_t GetNodeSameClassIndex() const;
   CXFA_Node* GetInstanceMgrOfSubform();
 
-  CXFA_Node* GetOccurNode();
+  CXFA_Occur* GetOccur();
 
   pdfium::Optional<bool> GetDefaultBoolean(XFA_Attribute attr) const;
   pdfium::Optional<int32_t> GetDefaultInteger(XFA_Attribute attr) const;
diff --git a/xfa/fxfa/parser/cxfa_occur.cpp b/xfa/fxfa/parser/cxfa_occur.cpp
index 82424d6d6d..441394c567 100644
--- a/xfa/fxfa/parser/cxfa_occur.cpp
+++ b/xfa/fxfa/parser/cxfa_occur.cpp
@@ -38,3 +38,46 @@ CXFA_Occur::CXFA_Occur(CXFA_Document* doc, XFA_PacketType packet)
                 pdfium::MakeUnique<CJX_Occur>(this)) {}
 
 CXFA_Occur::~CXFA_Occur() {}
+
+int32_t CXFA_Occur::GetMax() {
+  pdfium::Optional<int32_t> max =
+      JSObject()->TryInteger(XFA_Attribute::Max, true);
+  return max ? *max : GetMin();
+}
+
+int32_t CXFA_Occur::GetMin() {
+  pdfium::Optional<int32_t> min =
+      JSObject()->TryInteger(XFA_Attribute::Min, true);
+  return min && *min >= 0 ? *min : 1;
+}
+
+std::tuple<int32_t, int32_t, int32_t> CXFA_Occur::GetOccurInfo() {
+  int32_t iMin = GetMin();
+  int32_t iMax = GetMax();
+
+  pdfium::Optional<int32_t> init =
+      JSObject()->TryInteger(XFA_Attribute::Initial, false);
+  return {iMin, iMax, init && *init >= iMin ? *init : iMin};
+}
+
+void CXFA_Occur::SetMax(int32_t iMax) {
+  iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
+  JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
+
+  int32_t iMin = GetMin();
+  if (iMax != -1 && iMax < iMin) {
+    iMin = iMax;
+    JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
+  }
+}
+
+void CXFA_Occur::SetMin(int32_t iMin) {
+  iMin = (iMin < 0) ? 1 : iMin;
+  JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
+
+  int32_t iMax = GetMax();
+  if (iMax > 0 && iMax < iMin) {
+    iMax = iMin;
+    JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
+  }
+}
diff --git a/xfa/fxfa/parser/cxfa_occur.h b/xfa/fxfa/parser/cxfa_occur.h
index d7ed597095..3367b07ae5 100644
--- a/xfa/fxfa/parser/cxfa_occur.h
+++ b/xfa/fxfa/parser/cxfa_occur.h
@@ -7,12 +7,22 @@
 #ifndef XFA_FXFA_PARSER_CXFA_OCCUR_H_
 #define XFA_FXFA_PARSER_CXFA_OCCUR_H_
 
+#include <tuple>
+
 #include "xfa/fxfa/parser/cxfa_node.h"
 
 class CXFA_Occur : public CXFA_Node {
  public:
   CXFA_Occur(CXFA_Document* doc, XFA_PacketType packet);
   ~CXFA_Occur() override;
+
+  int32_t GetMax();
+  void SetMax(int32_t iMax);
+
+  int32_t GetMin();
+  void SetMin(int32_t iMin);
+
+  std::tuple<int32_t, int32_t, int32_t> GetOccurInfo();
 };
 
 #endif  // XFA_FXFA_PARSER_CXFA_OCCUR_H_
diff --git a/xfa/fxfa/parser/cxfa_occurdata.cpp b/xfa/fxfa/parser/cxfa_occurdata.cpp
deleted file mode 100644
index 195dce719a..0000000000
--- a/xfa/fxfa/parser/cxfa_occurdata.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-// Copyright 2016 PDFium Authors. All rights reserved.
-// 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_occurdata.h"
-
-#include "xfa/fxfa/parser/cxfa_node.h"
-
-CXFA_OccurData::CXFA_OccurData(CXFA_Node* pNode) : CXFA_DataData(pNode) {}
-
-int32_t CXFA_OccurData::GetMax() const {
-  if (!m_pNode)
-    return 1;
-
-  pdfium::Optional<int32_t> max =
-      m_pNode->JSObject()->TryInteger(XFA_Attribute::Max, true);
-  return max ? *max : GetMin();
-}
-
-int32_t CXFA_OccurData::GetMin() const {
-  if (!m_pNode)
-    return 1;
-
-  pdfium::Optional<int32_t> min =
-      m_pNode->JSObject()->TryInteger(XFA_Attribute::Min, true);
-  return min && *min >= 0 ? *min : 1;
-}
-
-std::tuple<int32_t, int32_t, int32_t> CXFA_OccurData::GetOccurInfo() const {
-  ASSERT(m_pNode);
-
-  int32_t iMin = GetMin();
-  int32_t iMax = GetMax();
-
-  pdfium::Optional<int32_t> init =
-      m_pNode->JSObject()->TryInteger(XFA_Attribute::Initial, false);
-  return {iMin, iMax, init && *init >= iMin ? *init : iMin};
-}
-
-void CXFA_OccurData::SetMax(int32_t iMax) {
-  iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
-  m_pNode->JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
-
-  int32_t iMin = GetMin();
-  if (iMax != -1 && iMax < iMin) {
-    iMin = iMax;
-    m_pNode->JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
-  }
-}
-
-void CXFA_OccurData::SetMin(int32_t iMin) {
-  iMin = (iMin < 0) ? 1 : iMin;
-  m_pNode->JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
-
-  int32_t iMax = GetMax();
-  if (iMax > 0 && iMax < iMin) {
-    iMax = iMin;
-    m_pNode->JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
-  }
-}
diff --git a/xfa/fxfa/parser/cxfa_occurdata.h b/xfa/fxfa/parser/cxfa_occurdata.h
deleted file mode 100644
index 1b4d600875..0000000000
--- a/xfa/fxfa/parser/cxfa_occurdata.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2016 PDFium Authors. All rights reserved.
-// 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
-
-#ifndef XFA_FXFA_PARSER_CXFA_OCCURDATA_H_
-#define XFA_FXFA_PARSER_CXFA_OCCURDATA_H_
-
-#include <tuple>
-
-#include "core/fxcrt/fx_system.h"
-#include "xfa/fxfa/parser/cxfa_datadata.h"
-
-class CXFA_Occur;
-
-class CXFA_OccurData : public CXFA_DataData {
- public:
-  explicit CXFA_OccurData(CXFA_Node* pNode);
-
-  int32_t GetMax() const;
-  void SetMax(int32_t iMax);
-
-  int32_t GetMin() const;
-  void SetMin(int32_t iMin);
-
-  std::tuple<int32_t, int32_t, int32_t> GetOccurInfo() const;
-};
-
-#endif  // XFA_FXFA_PARSER_CXFA_OCCURDATA_H_
diff --git a/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp b/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp
index 551f9df3fa..5a36083e88 100644
--- a/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp
+++ b/xfa/fxfa/parser/xfa_document_datamerger_imp.cpp
@@ -25,7 +25,6 @@
 #include "xfa/fxfa/parser/cxfa_node.h"
 #include "xfa/fxfa/parser/cxfa_nodeiteratortemplate.h"
 #include "xfa/fxfa/parser/cxfa_occur.h"
-#include "xfa/fxfa/parser/cxfa_occurdata.h"
 #include "xfa/fxfa/parser/cxfa_pageset.h"
 #include "xfa/fxfa/parser/cxfa_subform.h"
 #include "xfa/fxfa/parser/cxfa_template.h"
@@ -603,8 +602,7 @@ CXFA_Node* FindMatchingDataNode(
       int32_t iMin;
       int32_t iMax;
       int32_t iInit;
-      std::tie(iMin, iMax, iInit) =
-          CXFA_OccurData(pTemplateNodeOccur).GetOccurInfo();
+      std::tie(iMin, iMax, iInit) = pTemplateNodeOccur->GetOccurInfo();
       if (iMax == 0) {
         pCurTemplateNode = pIterator->MoveToNext();
         continue;
@@ -759,7 +757,7 @@ CXFA_Node* CopyContainer_SubformSet(CXFA_Document* pDocument,
   int32_t iMin = 1;
   if (!bOneInstance && pOccurNode) {
     std::tie(iMin, iMax, iInit) =
-        CXFA_OccurData(static_cast<CXFA_Occur*>(pOccurNode)).GetOccurInfo();
+        static_cast<CXFA_Occur*>(pOccurNode)->GetOccurInfo();
   }
 
   XFA_AttributeEnum eRelation =