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// 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/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"
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) {
ASSERT(pDataDescriptionNode);
for (CXFA_Node* pDataChild = pDataNode->GetNodeItem(XFA_NODEITEM_FirstChild);
pDataChild;
pDataChild = pDataChild->GetNodeItem(XFA_NODEITEM_NextSibling)) {
uint32_t dwNameHash = pDataChild->GetNameHash();
XFA_Element eType = pDataChild->GetElementType();
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;
}
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->GetElementType() != 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_WideString& wsName) {
if (!pDataParent) {
return NULL;
}
CXFA_Node* pParentDDNode = pDataParent->GetDataDescriptionNode();
if (!pParentDDNode) {
CXFA_Node* pDataNode =
pDocument->CreateNode(XFA_XDPPACKET_Datasets, eNodeType);
ASSERT(pDataNode);
pDataNode->SetCData(XFA_ATTRIBUTE_Name, wsName);
pDataNode->CreateXMLMappingNode();
pDataParent->InsertChild(pDataNode);
pDataNode->SetFlag(XFA_NodeFlag_Initialized, 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->GetElementType() != 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.AsStringC());
if (!pDDNode) {
continue;
}
if (pDDNode->GetElementType() != eNodeType) {
break;
}
CXFA_Node* pDataNode =
pDocument->CreateNode(XFA_XDPPACKET_Datasets, eNodeType);
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, false);
return pDataNode;
}
return NULL;
}
}
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