1 files changed, 126 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/xfa_document_datadescription_imp.cpp b/xfa/fxfa/parser/xfa_document_datadescription_imp.cpp
new file mode 100644
index 0000000000..8cc8d01644
--- /dev/null
+++ b/xfa/fxfa/parser/xfa_document_datadescription_imp.cpp
@@ -0,0 +1,126 @@
+// Copyright 2014 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/fm2js/xfa_fm2jsapi.h"
+#include "xfa/fxfa/parser/xfa_docdata.h"
+#include "xfa/fxfa/parser/xfa_doclayout.h"
+#include "xfa/fxfa/parser/xfa_document.h"
+#include "xfa/fxfa/parser/xfa_localemgr.h"
+#include "xfa/fxfa/parser/xfa_object.h"
+#include "xfa/fxfa/parser/xfa_parser.h"
+#include "xfa/fxfa/parser/xfa_script.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+#define XFA_HASHCODE_Group 0xf7f75fcd
+
+class CXFA_TraverseStrategy_DDGroup {
+ public:
+  static inline CXFA_Node* GetFirstChild(CXFA_Node* pDDGroupNode) {
+    return pDDGroupNode->GetFirstChildByName(XFA_HASHCODE_Group);
+  }
+  static inline CXFA_Node* GetNextSibling(CXFA_Node* pDDGroupNode) {
+    return pDDGroupNode->GetNextSameNameSibling(XFA_HASHCODE_Group);
+  }
+  static inline CXFA_Node* GetParent(CXFA_Node* pDDGroupNode) {
+    return pDDGroupNode->GetNodeItem(XFA_NODEITEM_Parent);
+  }
+};
+void XFA_DataDescription_UpdateDataRelation(CXFA_Node* pDataNode,
+                                            CXFA_Node* pDataDescriptionNode) {
+  FXSYS_assert(pDataDescriptionNode);
+  for (CXFA_Node* pDataChild = pDataNode->GetNodeItem(XFA_NODEITEM_FirstChild);
+       pDataChild;
+       pDataChild = pDataChild->GetNodeItem(XFA_NODEITEM_NextSibling)) {
+    FX_DWORD dwNameHash = pDataChild->GetNameHash();
+    XFA_ELEMENT eType = pDataChild->GetClassID();
+    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->GetClassID() != XFA_ELEMENT_DataGroup) {
+          continue;
+        }
+        CFX_WideString wsNamespace;
+        if (!pDDGroupNode->TryNamespace(wsNamespace) ||
+            wsNamespace != FX_WSTRC(L"http://ns.adobe.com/data-description/")) {
+          continue;
+        }
+      }
+      CXFA_Node* pDDNode = pDDGroupNode->GetFirstChildByName(dwNameHash);
+      if (!pDDNode) {
+        continue;
+      }
+      if (pDDNode->GetClassID() != eType) {
+        break;
+      }
+      pDataChild->SetDataDescriptionNode(pDDNode);
+      XFA_DataDescription_UpdateDataRelation(pDataChild, pDDNode);
+      break;
+    }
+  }
+}
+CXFA_Node* XFA_DataDescription_MaybeCreateDataNode(
+    CXFA_Document* pDocument,
+    CXFA_Node* pDataParent,
+    XFA_ELEMENT eNodeType,
+    const CFX_WideStringC& wsName) {
+  if (!pDataParent) {
+    return NULL;
+  }
+  CXFA_Node* pParentDDNode = pDataParent->GetDataDescriptionNode();
+  if (!pParentDDNode) {
+    CXFA_Node* pDataNode =
+        pDocument->CreateNode(XFA_XDPPACKET_Datasets, eNodeType);
+    FXSYS_assert(pDataNode);
+    pDataNode->SetCData(XFA_ATTRIBUTE_Name, wsName);
+    pDataNode->CreateXMLMappingNode();
+    pDataParent->InsertChild(pDataNode);
+    pDataNode->SetFlag(XFA_NODEFLAG_Initialized, TRUE, FALSE);
+    return pDataNode;
+  } else {
+    CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_DDGroup>
+        sIterator(pParentDDNode);
+    for (CXFA_Node* pDDGroupNode = sIterator.GetCurrent(); pDDGroupNode;
+         pDDGroupNode = sIterator.MoveToNext()) {
+      if (pDDGroupNode != pParentDDNode) {
+        if (pDDGroupNode->GetClassID() != XFA_ELEMENT_DataGroup) {
+          continue;
+        }
+        CFX_WideString wsNamespace;
+        if (!pDDGroupNode->TryNamespace(wsNamespace) ||
+            wsNamespace != FX_WSTRC(L"http://ns.adobe.com/data-description/")) {
+          continue;
+        }
+      }
+      CXFA_Node* pDDNode = pDDGroupNode->GetFirstChildByName(wsName);
+      if (!pDDNode) {
+        continue;
+      }
+      if (pDDNode->GetClassID() != eNodeType) {
+        break;
+      }
+      CXFA_Node* pDataNode =
+          pDocument->CreateNode(XFA_XDPPACKET_Datasets, eNodeType);
+      FXSYS_assert(pDataNode);
+      pDataNode->SetCData(XFA_ATTRIBUTE_Name, wsName);
+      pDataNode->CreateXMLMappingNode();
+      if (eNodeType == XFA_ELEMENT_DataValue &&
+          pDDNode->GetEnum(XFA_ATTRIBUTE_Contains) ==
+              XFA_ATTRIBUTEENUM_MetaData) {
+        pDataNode->SetEnum(XFA_ATTRIBUTE_Contains, XFA_ATTRIBUTEENUM_MetaData);
+      }
+      pDataParent->InsertChild(pDataNode);
+      pDataNode->SetDataDescriptionNode(pDDNode);
+      pDataNode->SetFlag(XFA_NODEFLAG_Initialized, TRUE, FALSE);
+      return pDataNode;
+    }
+    return NULL;
+  }
+}