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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/cxfa_document.h"
#include <set>
#include <utility>
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/xml/cfx_xmldocument.h"
#include "fxjs/xfa/cfxjse_engine.h"
#include "fxjs/xfa/cjx_object.h"
#include "third_party/base/compiler_specific.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffnotify.h"
#include "xfa/fxfa/parser/cscript_datawindow.h"
#include "xfa/fxfa/parser/cscript_eventpseudomodel.h"
#include "xfa/fxfa/parser/cscript_hostpseudomodel.h"
#include "xfa/fxfa/parser/cscript_layoutpseudomodel.h"
#include "xfa/fxfa/parser/cscript_logpseudomodel.h"
#include "xfa/fxfa/parser/cscript_signaturepseudomodel.h"
#include "xfa/fxfa/parser/cxfa_bind.h"
#include "xfa/fxfa/parser/cxfa_datagroup.h"
#include "xfa/fxfa/parser/cxfa_exdata.h"
#include "xfa/fxfa/parser/cxfa_form.h"
#include "xfa/fxfa/parser/cxfa_image.h"
#include "xfa/fxfa/parser/cxfa_interactive.h"
#include "xfa/fxfa/parser/cxfa_items.h"
#include "xfa/fxfa/parser/cxfa_localemgr.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/cxfa_occur.h"
#include "xfa/fxfa/parser/cxfa_pageset.h"
#include "xfa/fxfa/parser/cxfa_pdf.h"
#include "xfa/fxfa/parser/cxfa_present.h"
#include "xfa/fxfa/parser/cxfa_subform.h"
#include "xfa/fxfa/parser/cxfa_template.h"
#include "xfa/fxfa/parser/cxfa_traversestrategy_xfacontainernode.h"
#include "xfa/fxfa/parser/cxfa_traversestrategy_xfanode.h"
#include "xfa/fxfa/parser/cxfa_value.h"
#include "xfa/fxfa/parser/xfa_document_datamerger_imp.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
#include "xfa/fxfa/parser/xfa_utils.h"
namespace {
const wchar_t kTemplateNS[] = L"http://www.xfa.org/schema/xfa-template/";
struct RecurseRecord {
CXFA_Node* pTemplateChild;
CXFA_Node* pDataChild;
};
class CXFA_TraverseStrategy_DDGroup {
public:
static CXFA_Node* GetFirstChild(CXFA_Node* pDDGroupNode) {
return pDDGroupNode->GetFirstChildByName(XFA_HASHCODE_Group);
}
static CXFA_Node* GetNextSibling(CXFA_Node* pDDGroupNode) {
return pDDGroupNode->GetNextSameNameSibling(XFA_HASHCODE_Group);
}
static CXFA_Node* GetParent(CXFA_Node* pDDGroupNode) {
return pDDGroupNode->GetParent();
}
};
void FormValueNode_MatchNoneCreateChild(CXFA_Node* pFormNode) {
ASSERT(pFormNode->IsWidgetReady());
// GetUIChildNode has the side effect of creating the UI child.
pFormNode->GetUIChildNode();
}
CXFA_Node* FormValueNode_CreateChild(CXFA_Node* pValueNode, XFA_Element iType) {
CXFA_Node* pChildNode = pValueNode->GetFirstChild();
if (!pChildNode) {
if (iType == XFA_Element::Unknown)
return nullptr;
pChildNode =
pValueNode->JSObject()->GetOrCreateProperty<CXFA_Node>(0, iType);
}
return pChildNode;
}
void FormValueNode_SetChildContent(CXFA_Node* pValueNode,
const WideString& wsContent,
XFA_Element iType) {
if (!pValueNode)
return;
ASSERT(pValueNode->GetPacketType() == XFA_PacketType::Form);
CXFA_Node* pChildNode = FormValueNode_CreateChild(pValueNode, iType);
if (!pChildNode)
return;
switch (pChildNode->GetObjectType()) {
case XFA_ObjectType::ContentNode: {
CXFA_Node* pContentRawDataNode = pChildNode->GetFirstChild();
if (!pContentRawDataNode) {
XFA_Element element = XFA_Element::Sharptext;
if (pChildNode->GetElementType() == XFA_Element::ExData) {
Optional<WideString> contentType =
pChildNode->JSObject()->TryAttribute(XFA_Attribute::ContentType,
false);
if (contentType.has_value()) {
if (contentType.value().EqualsASCII("text/html"))
element = XFA_Element::SharpxHTML;
else if (contentType.value().EqualsASCII("text/xml"))
element = XFA_Element::Sharpxml;
}
}
pContentRawDataNode = pChildNode->CreateSamePacketNode(element);
pChildNode->InsertChildAndNotify(pContentRawDataNode, nullptr);
}
pContentRawDataNode->JSObject()->SetCData(XFA_Attribute::Value, wsContent,
false, false);
break;
}
case XFA_ObjectType::NodeC:
case XFA_ObjectType::TextNode:
case XFA_ObjectType::NodeV: {
pChildNode->JSObject()->SetCData(XFA_Attribute::Value, wsContent, false,
false);
break;
}
default:
break;
}
}
void MergeNodeRecurse(CXFA_Node* pDestNodeParent, CXFA_Node* pProtoNode) {
CXFA_Node* pExistingNode = nullptr;
for (CXFA_Node* pFormChild = pDestNodeParent->GetFirstChild(); pFormChild;
pFormChild = pFormChild->GetNextSibling()) {
if (pFormChild->GetElementType() == pProtoNode->GetElementType() &&
pFormChild->GetNameHash() == pProtoNode->GetNameHash() &&
pFormChild->IsUnusedNode()) {
pFormChild->ClearFlag(XFA_NodeFlag_UnusedNode);
pExistingNode = pFormChild;
break;
}
}
if (pExistingNode) {
pExistingNode->SetTemplateNode(pProtoNode);
for (CXFA_Node* pTemplateChild = pProtoNode->GetFirstChild();
pTemplateChild; pTemplateChild = pTemplateChild->GetNextSibling()) {
MergeNodeRecurse(pExistingNode, pTemplateChild);
}
return;
}
CXFA_Node* pNewNode = pProtoNode->Clone(true);
pNewNode->SetTemplateNode(pProtoNode);
pDestNodeParent->InsertChildAndNotify(pNewNode, nullptr);
}
void MergeNode(CXFA_Node* pDestNode, CXFA_Node* pProtoNode) {
{
CXFA_NodeIterator sIterator(pDestNode);
for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
pNode = sIterator.MoveToNext()) {
pNode->SetFlag(XFA_NodeFlag_UnusedNode);
}
}
pDestNode->SetTemplateNode(pProtoNode);
for (CXFA_Node* pTemplateChild = pProtoNode->GetFirstChild(); pTemplateChild;
pTemplateChild = pTemplateChild->GetNextSibling()) {
MergeNodeRecurse(pDestNode, pTemplateChild);
}
{
CXFA_NodeIterator sIterator(pDestNode);
for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
pNode = sIterator.MoveToNext()) {
pNode->ClearFlag(XFA_NodeFlag_UnusedNode);
}
}
}
CXFA_Node* CloneOrMergeInstanceManager(CXFA_Document* pDocument,
CXFA_Node* pFormParent,
CXFA_Node* pTemplateNode,
std::vector<CXFA_Node*>* subforms) {
WideString wsSubformName =
pTemplateNode->JSObject()->GetCData(XFA_Attribute::Name);
WideString wsInstMgrNodeName = L"_" + wsSubformName;
uint32_t dwInstNameHash =
FX_HashCode_GetW(wsInstMgrNodeName.AsStringView(), false);
CXFA_Node* pExistingNode = XFA_DataMerge_FindFormDOMInstance(
pDocument, XFA_Element::InstanceManager, dwInstNameHash, pFormParent);
if (pExistingNode) {
uint32_t dwNameHash = pTemplateNode->GetNameHash();
for (CXFA_Node* pNode = pExistingNode->GetNextSibling(); pNode;) {
XFA_Element eCurType = pNode->GetElementType();
if (eCurType == XFA_Element::InstanceManager)
break;
if ((eCurType != XFA_Element::Subform) &&
(eCurType != XFA_Element::SubformSet)) {
pNode = pNode->GetNextSibling();
continue;
}
if (dwNameHash != pNode->GetNameHash())
break;
CXFA_Node* pNextNode = pNode->GetNextSibling();
pFormParent->RemoveChildAndNotify(pNode, true);
subforms->push_back(pNode);
pNode = pNextNode;
}
pFormParent->RemoveChildAndNotify(pExistingNode, true);
pFormParent->InsertChildAndNotify(pExistingNode, nullptr);
pExistingNode->ClearFlag(XFA_NodeFlag_UnusedNode);
pExistingNode->SetTemplateNode(pTemplateNode);
return pExistingNode;
}
CXFA_Node* pNewNode =
pDocument->CreateNode(XFA_PacketType::Form, XFA_Element::InstanceManager);
wsInstMgrNodeName =
L"_" + pTemplateNode->JSObject()->GetCData(XFA_Attribute::Name);
pNewNode->JSObject()->SetCData(XFA_Attribute::Name, wsInstMgrNodeName, false,
false);
pFormParent->InsertChildAndNotify(pNewNode, nullptr);
pNewNode->SetTemplateNode(pTemplateNode);
return pNewNode;
}
void SortRecurseRecord(std::vector<RecurseRecord>* rgRecords,
CXFA_Node* pDataScope,
bool bChoiceMode) {
std::vector<RecurseRecord> rgResultRecord;
for (CXFA_Node* pNode = pDataScope->GetFirstChild(); pNode;
pNode = pNode->GetNextSibling()) {
auto it = std::find_if(rgRecords->begin(), rgRecords->end(),
[pNode](const RecurseRecord& record) {
return pNode == record.pDataChild;
});
if (it != rgRecords->end()) {
rgResultRecord.push_back(*it);
rgRecords->erase(it);
if (bChoiceMode)
break;
}
}
if (rgResultRecord.empty())
return;
if (!bChoiceMode) {
rgResultRecord.insert(rgResultRecord.end(), rgRecords->begin(),
rgRecords->end());
}
*rgRecords = rgResultRecord;
}
CXFA_Node* ScopeMatchGlobalBinding(CXFA_Node* pDataScope,
uint32_t dwNameHash,
XFA_Element eMatchDataNodeType,
bool bUpLevel) {
for (CXFA_Node *pCurDataScope = pDataScope, *pLastDataScope = nullptr;
pCurDataScope &&
pCurDataScope->GetPacketType() == XFA_PacketType::Datasets;
pLastDataScope = pCurDataScope,
pCurDataScope = pCurDataScope->GetParent()) {
for (CXFA_Node* pDataChild = pCurDataScope->GetFirstChildByName(dwNameHash);
pDataChild;
pDataChild = pDataChild->GetNextSameNameSibling(dwNameHash)) {
if (pDataChild == pLastDataScope ||
(eMatchDataNodeType != XFA_Element::DataModel &&
pDataChild->GetElementType() != eMatchDataNodeType) ||
pDataChild->HasBindItem()) {
continue;
}
return pDataChild;
}
for (CXFA_DataGroup* pDataChild =
pCurDataScope->GetFirstChildByClass<CXFA_DataGroup>(
XFA_Element::DataGroup);
pDataChild;
pDataChild = pDataChild->GetNextSameClassSibling<CXFA_DataGroup>(
XFA_Element::DataGroup)) {
CXFA_Node* pDataNode = ScopeMatchGlobalBinding(pDataChild, dwNameHash,
eMatchDataNodeType, false);
if (pDataNode)
return pDataNode;
}
if (!bUpLevel)
break;
}
return nullptr;
}
CXFA_Node* FindGlobalDataNode(CXFA_Document* pDocument,
const WideString& wsName,
CXFA_Node* pDataScope,
XFA_Element eMatchNodeType) {
if (wsName.IsEmpty())
return nullptr;
uint32_t dwNameHash = FX_HashCode_GetW(wsName.AsStringView(), false);
CXFA_Node* pBounded = pDocument->GetGlobalBinding(dwNameHash);
if (!pBounded) {
pBounded =
ScopeMatchGlobalBinding(pDataScope, dwNameHash, eMatchNodeType, true);
if (pBounded)
pDocument->RegisterGlobalBinding(dwNameHash, pBounded);
}
return pBounded;
}
CXFA_Node* FindOnceDataNode(const WideString& wsName,
CXFA_Node* pDataScope,
XFA_Element eMatchNodeType) {
if (wsName.IsEmpty())
return nullptr;
uint32_t dwNameHash = FX_HashCode_GetW(wsName.AsStringView(), false);
CXFA_Node* pLastDataScope = nullptr;
for (CXFA_Node* pCurDataScope = pDataScope;
pCurDataScope &&
pCurDataScope->GetPacketType() == XFA_PacketType::Datasets;
pCurDataScope = pCurDataScope->GetParent()) {
for (CXFA_Node* pDataChild = pCurDataScope->GetFirstChildByName(dwNameHash);
pDataChild;
pDataChild = pDataChild->GetNextSameNameSibling(dwNameHash)) {
if (pDataChild == pLastDataScope || pDataChild->HasBindItem() ||
(eMatchNodeType != XFA_Element::DataModel &&
pDataChild->GetElementType() != eMatchNodeType)) {
continue;
}
return pDataChild;
}
pLastDataScope = pCurDataScope;
}
return nullptr;
}
CXFA_Node* FindDataRefDataNode(CXFA_Document* pDocument,
const WideString& wsRef,
CXFA_Node* pDataScope,
XFA_Element eMatchNodeType,
CXFA_Node* pTemplateNode,
bool bForceBind,
bool bUpLevel) {
uint32_t dFlags = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_BindNew;
if (bUpLevel || !wsRef.EqualsASCII("name"))
dFlags |= (XFA_RESOLVENODE_Parent | XFA_RESOLVENODE_Siblings);
XFA_RESOLVENODE_RS rs;
pDocument->GetScriptContext()->ResolveObjects(
pDataScope, wsRef.AsStringView(), &rs, dFlags, pTemplateNode);
if (rs.dwFlags == XFA_ResolveNode_RSType_CreateNodeAll ||
rs.dwFlags == XFA_ResolveNode_RSType_CreateNodeMidAll ||
rs.objects.size() > 1) {
return pDocument->GetNotBindNode(rs.objects);
}
if (rs.dwFlags == XFA_ResolveNode_RSType_CreateNodeOne) {
CXFA_Object* pObject =
!rs.objects.empty() ? rs.objects.front().Get() : nullptr;
CXFA_Node* pNode = ToNode(pObject);
return (bForceBind || !pNode || !pNode->HasBindItem()) ? pNode : nullptr;
}
return nullptr;
}
CXFA_Node* FindMatchingDataNode(
CXFA_Document* pDocument,
CXFA_Node* pTemplateNode,
CXFA_Node* pDataScope,
bool& bAccessedDataDOM,
bool bForceBind,
CXFA_NodeIteratorTemplate<CXFA_Node,
CXFA_TraverseStrategy_XFAContainerNode>*
pIterator,
bool& bSelfMatch,
XFA_AttributeValue& eBindMatch,
bool bUpLevel) {
CXFA_Node* pResult = nullptr;
CXFA_Node* pCurTemplateNode = pIterator->GetCurrent();
while (pCurTemplateNode) {
XFA_Element eMatchNodeType;
switch (pCurTemplateNode->GetElementType()) {
case XFA_Element::Subform:
eMatchNodeType = XFA_Element::DataGroup;
break;
case XFA_Element::Field: {
eMatchNodeType = XFA_FieldIsMultiListBox(pCurTemplateNode)
? XFA_Element::DataGroup
: XFA_Element::DataValue;
} break;
case XFA_Element::ExclGroup:
eMatchNodeType = XFA_Element::DataValue;
break;
default:
pCurTemplateNode = pIterator->MoveToNext();
continue;
}
CXFA_Occur* pTemplateNodeOccur =
pCurTemplateNode->GetFirstChildByClass<CXFA_Occur>(XFA_Element::Occur);
if (pTemplateNodeOccur) {
int32_t iMin;
int32_t iMax;
int32_t iInit;
std::tie(iMin, iMax, iInit) = pTemplateNodeOccur->GetOccurInfo();
if (iMax == 0) {
pCurTemplateNode = pIterator->MoveToNext();
continue;
}
}
CXFA_Bind* pTemplateNodeBind =
pCurTemplateNode->GetFirstChildByClass<CXFA_Bind>(XFA_Element::Bind);
XFA_AttributeValue eMatch =
pTemplateNodeBind
? pTemplateNodeBind->JSObject()->GetEnum(XFA_Attribute::Match)
: XFA_AttributeValue::Once;
eBindMatch = eMatch;
switch (eMatch) {
case XFA_AttributeValue::None:
pCurTemplateNode = pIterator->MoveToNext();
continue;
case XFA_AttributeValue::Global:
bAccessedDataDOM = true;
if (!bForceBind) {
pCurTemplateNode = pIterator->MoveToNext();
continue;
}
if (eMatchNodeType == XFA_Element::DataValue ||
(eMatchNodeType == XFA_Element::DataGroup &&
XFA_FieldIsMultiListBox(pTemplateNodeBind))) {
CXFA_Node* pGlobalBindNode = FindGlobalDataNode(
pDocument,
pCurTemplateNode->JSObject()->GetCData(XFA_Attribute::Name),
pDataScope, eMatchNodeType);
if (!pGlobalBindNode) {
pCurTemplateNode = pIterator->MoveToNext();
continue;
}
pResult = pGlobalBindNode;
break;
}
FALLTHROUGH;
case XFA_AttributeValue::Once: {
bAccessedDataDOM = true;
CXFA_Node* pOnceBindNode = FindOnceDataNode(
pCurTemplateNode->JSObject()->GetCData(XFA_Attribute::Name),
pDataScope, eMatchNodeType);
if (!pOnceBindNode) {
pCurTemplateNode = pIterator->MoveToNext();
continue;
}
pResult = pOnceBindNode;
break;
}
case XFA_AttributeValue::DataRef: {
bAccessedDataDOM = true;
CXFA_Node* pDataRefBindNode = FindDataRefDataNode(
pDocument,
pTemplateNodeBind->JSObject()->GetCData(XFA_Attribute::Ref),
pDataScope, eMatchNodeType, pTemplateNode, bForceBind, bUpLevel);
if (pDataRefBindNode &&
pDataRefBindNode->GetElementType() == eMatchNodeType) {
pResult = pDataRefBindNode;
}
if (!pResult) {
pCurTemplateNode = pIterator->SkipChildrenAndMoveToNext();
continue;
}
break;
}
default:
break;
}
if (pCurTemplateNode == pTemplateNode && pResult)
bSelfMatch = true;
break;
}
return pResult;
}
void CreateDataBinding(CXFA_Node* pFormNode,
CXFA_Node* pDataNode,
bool bDataToForm) {
pFormNode->SetBindingNode(pDataNode);
pDataNode->AddBindItem(pFormNode);
XFA_Element eType = pFormNode->GetElementType();
if (eType != XFA_Element::Field && eType != XFA_Element::ExclGroup)
return;
ASSERT(pFormNode->IsWidgetReady());
auto* defValue = pFormNode->JSObject()->GetOrCreateProperty<CXFA_Value>(
0, XFA_Element::Value);
if (!bDataToForm) {
WideString wsValue;
switch (pFormNode->GetFFWidgetType()) {
case XFA_FFWidgetType::kImageEdit: {
CXFA_Image* image = defValue ? defValue->GetImageIfExists() : nullptr;
WideString wsContentType;
WideString wsHref;
if (image) {
wsValue = image->GetContent();
wsContentType = image->GetContentType();
wsHref = image->GetHref();
}
CFX_XMLElement* pXMLDataElement =
ToXMLElement(pDataNode->GetXMLMappingNode());
ASSERT(pXMLDataElement);
pDataNode->JSObject()->SetAttributeValue(
wsValue, pFormNode->GetFormatDataValue(wsValue), false, false);
pDataNode->JSObject()->SetCData(XFA_Attribute::ContentType,
wsContentType, false, false);
if (!wsHref.IsEmpty())
pXMLDataElement->SetAttribute(L"href", wsHref);
break;
}
case XFA_FFWidgetType::kChoiceList:
wsValue = defValue ? defValue->GetChildValueContent() : WideString();
if (pFormNode->IsChoiceListMultiSelect()) {
std::vector<WideString> wsSelTextArray =
pFormNode->GetSelectedItemsValue();
if (!wsSelTextArray.empty()) {
for (const auto& text : wsSelTextArray) {
CXFA_Node* pValue =
pDataNode->CreateSamePacketNode(XFA_Element::DataValue);
pValue->JSObject()->SetCData(XFA_Attribute::Name, L"value", false,
false);
pValue->CreateXMLMappingNode();
pDataNode->InsertChildAndNotify(pValue, nullptr);
pValue->JSObject()->SetCData(XFA_Attribute::Value, text, false,
false);
}
} else {
CFX_XMLElement* pElement =
ToXMLElement(pDataNode->GetXMLMappingNode());
pElement->SetAttribute(L"xfa:dataNode", L"dataGroup");
}
} else if (!wsValue.IsEmpty()) {
pDataNode->JSObject()->SetAttributeValue(
wsValue, pFormNode->GetFormatDataValue(wsValue), false, false);
}
break;
case XFA_FFWidgetType::kCheckButton:
wsValue = defValue ? defValue->GetChildValueContent() : WideString();
if (wsValue.IsEmpty())
break;
pDataNode->JSObject()->SetAttributeValue(
wsValue, pFormNode->GetFormatDataValue(wsValue), false, false);
break;
case XFA_FFWidgetType::kExclGroup: {
CXFA_Node* pChecked = nullptr;
CXFA_Node* pChild = pFormNode->GetFirstChild();
for (; pChild; pChild = pChild->GetNextSibling()) {
if (pChild->GetElementType() != XFA_Element::Field)
continue;
auto* pValue =
pChild->GetChild<CXFA_Value>(0, XFA_Element::Value, false);
if (!pValue)
continue;
wsValue = pValue->GetChildValueContent();
if (wsValue.IsEmpty())
continue;
CXFA_Items* pItems =
pChild->GetChild<CXFA_Items>(0, XFA_Element::Items, false);
if (!pItems)
continue;
CXFA_Node* pText = pItems->GetFirstChild();
if (!pText)
continue;
WideString wsContent = pText->JSObject()->GetContent(false);
if (wsContent == wsValue) {
pChecked = pChild;
pDataNode->JSObject()->SetAttributeValue(wsValue, wsValue, false,
false);
pFormNode->JSObject()->SetCData(XFA_Attribute::Value, wsContent,
false, false);
break;
}
}
if (!pChecked)
break;
pChild = pFormNode->GetFirstChild();
for (; pChild; pChild = pChild->GetNextSibling()) {
if (pChild == pChecked)
continue;
if (pChild->GetElementType() != XFA_Element::Field)
continue;
CXFA_Value* pValue =
pChild->JSObject()->GetOrCreateProperty<CXFA_Value>(
0, XFA_Element::Value);
CXFA_Items* pItems =
pChild->GetChild<CXFA_Items>(0, XFA_Element::Items, false);
CXFA_Node* pText = pItems ? pItems->GetFirstChild() : nullptr;
if (pText)
pText = pText->GetNextSibling();
WideString wsContent;
if (pText)
wsContent = pText->JSObject()->GetContent(false);
FormValueNode_SetChildContent(pValue, wsContent, XFA_Element::Text);
}
break;
}
case XFA_FFWidgetType::kNumericEdit: {
wsValue = defValue ? defValue->GetChildValueContent() : WideString();
if (wsValue.IsEmpty())
break;
wsValue = pFormNode->NormalizeNumStr(wsValue);
pDataNode->JSObject()->SetAttributeValue(
wsValue, pFormNode->GetFormatDataValue(wsValue), false, false);
CXFA_Value* pValue =
pFormNode->JSObject()->GetOrCreateProperty<CXFA_Value>(
0, XFA_Element::Value);
FormValueNode_SetChildContent(pValue, wsValue, XFA_Element::Float);
break;
}
default:
wsValue = defValue ? defValue->GetChildValueContent() : WideString();
if (wsValue.IsEmpty())
break;
pDataNode->JSObject()->SetAttributeValue(
wsValue, pFormNode->GetFormatDataValue(wsValue), false, false);
break;
}
return;
}
WideString wsXMLValue = pDataNode->JSObject()->GetContent(false);
WideString wsNormalizeValue = pFormNode->GetNormalizeDataValue(wsXMLValue);
pDataNode->JSObject()->SetAttributeValue(wsNormalizeValue, wsXMLValue, false,
false);
switch (pFormNode->GetFFWidgetType()) {
case XFA_FFWidgetType::kImageEdit: {
FormValueNode_SetChildContent(defValue, wsNormalizeValue,
XFA_Element::Image);
CXFA_Image* image = defValue ? defValue->GetImageIfExists() : nullptr;
if (image) {
CFX_XMLElement* pXMLDataElement =
ToXMLElement(pDataNode->GetXMLMappingNode());
WideString wsContentType =
pXMLDataElement->GetAttribute(L"xfa:contentType");
if (!wsContentType.IsEmpty()) {
pDataNode->JSObject()->SetCData(XFA_Attribute::ContentType,
wsContentType, false, false);
image->SetContentType(wsContentType);
}
WideString wsHref = pXMLDataElement->GetAttribute(L"href");
if (!wsHref.IsEmpty())
image->SetHref(wsHref);
}
break;
}
case XFA_FFWidgetType::kChoiceList:
if (pFormNode->IsChoiceListMultiSelect()) {
std::vector<CXFA_Node*> items = pDataNode->GetNodeListWithFilter(
XFA_NODEFILTER_Children | XFA_NODEFILTER_Properties);
if (!items.empty()) {
bool single = items.size() == 1;
wsNormalizeValue.clear();
for (CXFA_Node* pNode : items) {
WideString wsItem = pNode->JSObject()->GetContent(false);
if (single)
wsItem += L"\n";
wsNormalizeValue += wsItem;
}
CXFA_ExData* exData =
defValue ? defValue->GetExDataIfExists() : nullptr;
if (exData)
exData->SetContentType(single ? L"text/plain" : L"text/xml");
}
FormValueNode_SetChildContent(defValue, wsNormalizeValue,
XFA_Element::ExData);
} else {
FormValueNode_SetChildContent(defValue, wsNormalizeValue,
XFA_Element::Text);
}
break;
case XFA_FFWidgetType::kExclGroup: {
pFormNode->SetSelectedMemberByValue(wsNormalizeValue.AsStringView(),
false, false, false);
break;
}
case XFA_FFWidgetType::kDateTimeEdit:
FormValueNode_SetChildContent(defValue, wsNormalizeValue,
XFA_Element::DateTime);
break;
case XFA_FFWidgetType::kNumericEdit: {
WideString wsPicture =
pFormNode->GetPictureContent(XFA_VALUEPICTURE_DataBind);
if (wsPicture.IsEmpty())
wsNormalizeValue = pFormNode->NormalizeNumStr(wsNormalizeValue);
FormValueNode_SetChildContent(defValue, wsNormalizeValue,
XFA_Element::Float);
break;
}
default:
FormValueNode_SetChildContent(defValue, wsNormalizeValue,
XFA_Element::Text);
break;
}
}
CXFA_Node* MaybeCreateDataNode(CXFA_Document* pDocument,
CXFA_Node* pDataParent,
XFA_Element eNodeType,
const WideString& wsName) {
if (!pDataParent)
return nullptr;
CXFA_Node* pParentDDNode = pDataParent->GetDataDescriptionNode();
if (!pParentDDNode) {
CXFA_Node* pDataNode =
pDocument->CreateNode(XFA_PacketType::Datasets, eNodeType);
pDataNode->JSObject()->SetCData(XFA_Attribute::Name, wsName, false, false);
pDataNode->CreateXMLMappingNode();
pDataParent->InsertChildAndNotify(pDataNode, nullptr);
pDataNode->SetFlag(XFA_NodeFlag_Initialized);
return pDataNode;
}
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;
Optional<WideString> ns = pDDGroupNode->JSObject()->TryNamespace();
if (!ns.has_value() ||
!ns.value().EqualsASCII("http://ns.adobe.com/data-description/")) {
continue;
}
}
CXFA_Node* pDDNode =
pDDGroupNode->GetFirstChildByName(wsName.AsStringView());
if (!pDDNode)
continue;
if (pDDNode->GetElementType() != eNodeType)
break;
CXFA_Node* pDataNode =
pDocument->CreateNode(XFA_PacketType::Datasets, eNodeType);
pDataNode->JSObject()->SetCData(XFA_Attribute::Name, wsName, false, false);
pDataNode->CreateXMLMappingNode();
if (eNodeType == XFA_Element::DataValue &&
pDDNode->JSObject()->GetEnum(XFA_Attribute::Contains) ==
XFA_AttributeValue::MetaData) {
pDataNode->JSObject()->SetEnum(XFA_Attribute::Contains,
XFA_AttributeValue::MetaData, false);
}
pDataParent->InsertChildAndNotify(pDataNode, nullptr);
pDataNode->SetDataDescriptionNode(pDDNode);
pDataNode->SetFlag(XFA_NodeFlag_Initialized);
return pDataNode;
}
return nullptr;
}
CXFA_Node* CopyContainer_Field(CXFA_Document* pDocument,
CXFA_Node* pTemplateNode,
CXFA_Node* pFormNode,
CXFA_Node* pDataScope,
bool bDataMerge,
bool bUpLevel) {
CXFA_Node* pFieldNode = XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pFormNode, pTemplateNode, false, nullptr);
ASSERT(pFieldNode);
for (CXFA_Node* pTemplateChildNode = pTemplateNode->GetFirstChild();
pTemplateChildNode;
pTemplateChildNode = pTemplateChildNode->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChildNode, true)) {
XFA_NodeMerge_CloneOrMergeContainer(pDocument, pFieldNode,
pTemplateChildNode, true, nullptr);
} else if (pTemplateNode->GetElementType() == XFA_Element::ExclGroup &&
pTemplateChildNode->IsContainerNode()) {
if (pTemplateChildNode->GetElementType() == XFA_Element::Field) {
CopyContainer_Field(pDocument, pTemplateChildNode, pFieldNode, nullptr,
false, true);
}
}
}
if (bDataMerge) {
bool bAccessedDataDOM = false;
bool bSelfMatch = false;
XFA_AttributeValue eBindMatch;
CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFAContainerNode>
sNodeIter(pTemplateNode);
CXFA_Node* pDataNode = FindMatchingDataNode(
pDocument, pTemplateNode, pDataScope, bAccessedDataDOM, true,
&sNodeIter, bSelfMatch, eBindMatch, bUpLevel);
if (pDataNode)
CreateDataBinding(pFieldNode, pDataNode, true);
} else {
FormValueNode_MatchNoneCreateChild(pFieldNode);
}
return pFieldNode;
}
CXFA_Node* CopyContainer_SubformSet(CXFA_Document* pDocument,
CXFA_Node* pTemplateNode,
CXFA_Node* pFormParentNode,
CXFA_Node* pDataScope,
bool bOneInstance,
bool bDataMerge) {
XFA_Element eType = pTemplateNode->GetElementType();
CXFA_Node* pOccurNode = nullptr;
CXFA_Node* pFirstInstance = nullptr;
bool bUseInstanceManager =
pFormParentNode->GetElementType() != XFA_Element::Area;
CXFA_Node* pInstMgrNode = nullptr;
std::vector<CXFA_Node*> subformArray;
std::vector<CXFA_Node*>* pSearchArray = nullptr;
if (!bOneInstance &&
(eType == XFA_Element::SubformSet || eType == XFA_Element::Subform)) {
pInstMgrNode = bUseInstanceManager ? CloneOrMergeInstanceManager(
pDocument, pFormParentNode,
pTemplateNode, &subformArray)
: nullptr;
if (CXFA_Occur* pOccurTemplateNode =
pTemplateNode->GetFirstChildByClass<CXFA_Occur>(
XFA_Element::Occur)) {
pOccurNode = pInstMgrNode ? XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pInstMgrNode,
pOccurTemplateNode, false, nullptr)
: pOccurTemplateNode;
} else if (pInstMgrNode) {
pOccurNode =
pInstMgrNode->GetFirstChildByClass<CXFA_Occur>(XFA_Element::Occur);
if (pOccurNode)
pOccurNode->ClearFlag(XFA_NodeFlag_UnusedNode);
}
if (pInstMgrNode) {
pInstMgrNode->SetFlagAndNotify(XFA_NodeFlag_Initialized);
pSearchArray = &subformArray;
if (pFormParentNode->GetElementType() == XFA_Element::PageArea) {
bOneInstance = true;
if (subformArray.empty())
pSearchArray = nullptr;
} else if (pTemplateNode->GetNameHash() == 0 && subformArray.empty()) {
pSearchArray = nullptr;
}
}
}
int32_t iMax = 1;
int32_t iInit = 1;
int32_t iMin = 1;
if (!bOneInstance && pOccurNode) {
std::tie(iMin, iMax, iInit) =
static_cast<CXFA_Occur*>(pOccurNode)->GetOccurInfo();
}
XFA_AttributeValue eRelation =
eType == XFA_Element::SubformSet
? pTemplateNode->JSObject()->GetEnum(XFA_Attribute::Relation)
: XFA_AttributeValue::Ordered;
int32_t iCurRepeatIndex = 0;
XFA_AttributeValue eParentBindMatch = XFA_AttributeValue::None;
if (bDataMerge) {
CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFAContainerNode>
sNodeIterator(pTemplateNode);
bool bAccessedDataDOM = false;
if (eType == XFA_Element::SubformSet || eType == XFA_Element::Area) {
sNodeIterator.MoveToNext();
} else {
std::map<CXFA_Node*, CXFA_Node*> subformMapArray;
std::vector<CXFA_Node*> nodeArray;
for (; iMax < 0 || iCurRepeatIndex < iMax; iCurRepeatIndex++) {
bool bSelfMatch = false;
XFA_AttributeValue eBindMatch = XFA_AttributeValue::None;
CXFA_Node* pDataNode = FindMatchingDataNode(
pDocument, pTemplateNode, pDataScope, bAccessedDataDOM, false,
&sNodeIterator, bSelfMatch, eBindMatch, true);
if (!pDataNode || sNodeIterator.GetCurrent() != pTemplateNode)
break;
eParentBindMatch = eBindMatch;
CXFA_Node* pSubformNode = XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pFormParentNode, pTemplateNode, false, pSearchArray);
if (!pFirstInstance)
pFirstInstance = pSubformNode;
CreateDataBinding(pSubformNode, pDataNode, true);
ASSERT(pSubformNode);
subformMapArray[pSubformNode] = pDataNode;
nodeArray.push_back(pSubformNode);
}
for (CXFA_Node* pSubform : nodeArray) {
CXFA_Node* pDataNode = nullptr;
auto it = subformMapArray.find(pSubform);
if (it != subformMapArray.end())
pDataNode = it->second;
for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild();
pTemplateChild;
pTemplateChild = pTemplateChild->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChild,
bUseInstanceManager)) {
XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubform,
pTemplateChild, true, nullptr);
} else if (pTemplateChild->IsContainerNode()) {
pDocument->DataMerge_CopyContainer(pTemplateChild, pSubform,
pDataNode, false, true, false);
}
}
}
subformMapArray.clear();
}
for (; iMax < 0 || iCurRepeatIndex < iMax; iCurRepeatIndex++) {
bool bSelfMatch = false;
XFA_AttributeValue eBindMatch = XFA_AttributeValue::None;
if (!FindMatchingDataNode(pDocument, pTemplateNode, pDataScope,
bAccessedDataDOM, false, &sNodeIterator,
bSelfMatch, eBindMatch, true)) {
break;
}
if (eBindMatch == XFA_AttributeValue::DataRef &&
eParentBindMatch == XFA_AttributeValue::DataRef) {
break;
}
if (eRelation == XFA_AttributeValue::Choice ||
eRelation == XFA_AttributeValue::Unordered) {
CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pFormParentNode, pTemplateNode, false, pSearchArray);
ASSERT(pSubformSetNode);
if (!pFirstInstance)
pFirstInstance = pSubformSetNode;
std::vector<RecurseRecord> rgItemMatchList;
std::vector<CXFA_Node*> rgItemUnmatchList;
for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild();
pTemplateChild;
pTemplateChild = pTemplateChild->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChild,
bUseInstanceManager)) {
XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformSetNode,
pTemplateChild, true, nullptr);
} else if (pTemplateChild->IsContainerNode()) {
bSelfMatch = false;
eBindMatch = XFA_AttributeValue::None;
if (eRelation != XFA_AttributeValue::Ordered) {
CXFA_NodeIteratorTemplate<CXFA_Node,
CXFA_TraverseStrategy_XFAContainerNode>
sChildIter(pTemplateChild);
CXFA_Node* pDataMatch = FindMatchingDataNode(
pDocument, pTemplateChild, pDataScope, bAccessedDataDOM,
false, &sChildIter, bSelfMatch, eBindMatch, true);
if (pDataMatch) {
RecurseRecord sNewRecord = {pTemplateChild, pDataMatch};
if (bSelfMatch)
rgItemMatchList.insert(rgItemMatchList.begin(), sNewRecord);
else
rgItemMatchList.push_back(sNewRecord);
} else {
rgItemUnmatchList.push_back(pTemplateChild);
}
} else {
rgItemUnmatchList.push_back(pTemplateChild);
}
}
}
switch (eRelation) {
case XFA_AttributeValue::Choice: {
ASSERT(!rgItemMatchList.empty());
SortRecurseRecord(&rgItemMatchList, pDataScope, true);
pDocument->DataMerge_CopyContainer(
rgItemMatchList.front().pTemplateChild, pSubformSetNode,
pDataScope, false, true, true);
break;
}
case XFA_AttributeValue::Unordered: {
if (!rgItemMatchList.empty()) {
SortRecurseRecord(&rgItemMatchList, pDataScope, false);
for (const auto& matched : rgItemMatchList) {
pDocument->DataMerge_CopyContainer(matched.pTemplateChild,
pSubformSetNode, pDataScope,
false, true, true);
}
}
for (auto* unmatched : rgItemUnmatchList) {
pDocument->DataMerge_CopyContainer(unmatched, pSubformSetNode,
pDataScope, false, true, true);
}
break;
}
default:
break;
}
} else {
CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pFormParentNode, pTemplateNode, false, pSearchArray);
ASSERT(pSubformSetNode);
if (!pFirstInstance)
pFirstInstance = pSubformSetNode;
for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild();
pTemplateChild;
pTemplateChild = pTemplateChild->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChild,
bUseInstanceManager)) {
XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformSetNode,
pTemplateChild, true, nullptr);
} else if (pTemplateChild->IsContainerNode()) {
pDocument->DataMerge_CopyContainer(pTemplateChild, pSubformSetNode,
pDataScope, false, true, true);
}
}
}
}
if (iCurRepeatIndex == 0 && !bAccessedDataDOM) {
int32_t iLimit = iMax;
if (pInstMgrNode && pTemplateNode->GetNameHash() == 0) {
iLimit = pdfium::CollectionSize<int32_t>(subformArray);
if (iLimit < iMin)
iLimit = iInit;
}
for (; (iLimit < 0 || iCurRepeatIndex < iLimit); iCurRepeatIndex++) {
if (pInstMgrNode) {
if (pSearchArray && pSearchArray->empty()) {
if (pTemplateNode->GetNameHash() != 0)
break;
pSearchArray = nullptr;
}
} else if (!XFA_DataMerge_FindFormDOMInstance(
pDocument, pTemplateNode->GetElementType(),
pTemplateNode->GetNameHash(), pFormParentNode)) {
break;
}
CXFA_Node* pSubformNode = XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pFormParentNode, pTemplateNode, false, pSearchArray);
ASSERT(pSubformNode);
if (!pFirstInstance)
pFirstInstance = pSubformNode;
for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild();
pTemplateChild;
pTemplateChild = pTemplateChild->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChild,
bUseInstanceManager)) {
XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformNode,
pTemplateChild, true, nullptr);
} else if (pTemplateChild->IsContainerNode()) {
pDocument->DataMerge_CopyContainer(pTemplateChild, pSubformNode,
pDataScope, false, true, true);
}
}
}
}
}
int32_t iMinimalLimit = iCurRepeatIndex == 0 ? iInit : iMin;
for (; iCurRepeatIndex < iMinimalLimit; iCurRepeatIndex++) {
CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer(
pDocument, pFormParentNode, pTemplateNode, false, pSearchArray);
ASSERT(pSubformSetNode);
if (!pFirstInstance)
pFirstInstance = pSubformSetNode;
bool bFound = false;
for (CXFA_Node* pTemplateChild = pTemplateNode->GetFirstChild();
pTemplateChild; pTemplateChild = pTemplateChild->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, bUseInstanceManager)) {
XFA_NodeMerge_CloneOrMergeContainer(pDocument, pSubformSetNode,
pTemplateChild, true, nullptr);
} else if (pTemplateChild->IsContainerNode()) {
if (bFound && eRelation == XFA_AttributeValue::Choice)
continue;
pDocument->DataMerge_CopyContainer(pTemplateChild, pSubformSetNode,
pDataScope, false, bDataMerge, true);
bFound = true;
}
}
}
return pFirstInstance;
}
void UpdateBindingRelations(CXFA_Document* pDocument,
CXFA_Node* pFormNode,
CXFA_Node* pDataScope,
bool bDataRef,
bool bParentDataRef) {
bool bMatchRef = true;
XFA_Element eType = pFormNode->GetElementType();
CXFA_Node* pDataNode = pFormNode->GetBindData();
if (eType == XFA_Element::Subform || eType == XFA_Element::ExclGroup ||
eType == XFA_Element::Field) {
CXFA_Node* pTemplateNode = pFormNode->GetTemplateNodeIfExists();
CXFA_Bind* pTemplateNodeBind =
pTemplateNode
? pTemplateNode->GetFirstChildByClass<CXFA_Bind>(XFA_Element::Bind)
: nullptr;
XFA_AttributeValue eMatch =
pTemplateNodeBind
? pTemplateNodeBind->JSObject()->GetEnum(XFA_Attribute::Match)
: XFA_AttributeValue::Once;
switch (eMatch) {
case XFA_AttributeValue::None:
if (!bDataRef || bParentDataRef)
FormValueNode_MatchNoneCreateChild(pFormNode);
break;
case XFA_AttributeValue::Once:
if (!bDataRef || bParentDataRef) {
if (!pDataNode) {
if (pFormNode->GetNameHash() != 0 &&
pFormNode->JSObject()->GetEnum(XFA_Attribute::Scope) !=
XFA_AttributeValue::None) {
XFA_Element eDataNodeType = (eType == XFA_Element::Subform ||
XFA_FieldIsMultiListBox(pFormNode))
? XFA_Element::DataGroup
: XFA_Element::DataValue;
pDataNode = MaybeCreateDataNode(
pDocument, pDataScope, eDataNodeType,
WideString(
pFormNode->JSObject()->GetCData(XFA_Attribute::Name)));
if (pDataNode)
CreateDataBinding(pFormNode, pDataNode, false);
}
if (!pDataNode)
FormValueNode_MatchNoneCreateChild(pFormNode);
} else {
CXFA_Node* pDataParent = pDataNode->GetParent();
if (pDataParent != pDataScope) {
ASSERT(pDataParent);
pDataParent->RemoveChildAndNotify(pDataNode, true);
pDataScope->InsertChildAndNotify(pDataNode, nullptr);
}
}
}
break;
case XFA_AttributeValue::Global:
if (!bDataRef || bParentDataRef) {
uint32_t dwNameHash = pFormNode->GetNameHash();
if (dwNameHash != 0 && !pDataNode) {
pDataNode = pDocument->GetGlobalBinding(dwNameHash);
if (!pDataNode) {
XFA_Element eDataNodeType = (eType == XFA_Element::Subform ||
XFA_FieldIsMultiListBox(pFormNode))
? XFA_Element::DataGroup
: XFA_Element::DataValue;
CXFA_Node* pRecordNode =
ToNode(pDocument->GetXFAObject(XFA_HASHCODE_Record));
pDataNode = MaybeCreateDataNode(
pDocument, pRecordNode, eDataNodeType,
WideString(
pFormNode->JSObject()->GetCData(XFA_Attribute::Name)));
if (pDataNode) {
CreateDataBinding(pFormNode, pDataNode, false);
pDocument->RegisterGlobalBinding(pFormNode->GetNameHash(),
pDataNode);
}
} else {
CreateDataBinding(pFormNode, pDataNode, true);
}
}
if (!pDataNode)
FormValueNode_MatchNoneCreateChild(pFormNode);
}
break;
case XFA_AttributeValue::DataRef: {
bMatchRef = bDataRef;
bParentDataRef = true;
if (!pDataNode && bDataRef) {
WideString wsRef =
pTemplateNodeBind
? pTemplateNodeBind->JSObject()->GetCData(XFA_Attribute::Ref)
: WideString();
uint32_t dFlags =
XFA_RESOLVENODE_Children | XFA_RESOLVENODE_CreateNode;
XFA_RESOLVENODE_RS rs;
pDocument->GetScriptContext()->ResolveObjects(
pDataScope, wsRef.AsStringView(), &rs, dFlags, pTemplateNode);
CXFA_Object* pObject =
!rs.objects.empty() ? rs.objects.front().Get() : nullptr;
pDataNode = ToNode(pObject);
if (pDataNode) {
CreateDataBinding(pFormNode, pDataNode,
rs.dwFlags == XFA_ResolveNode_RSType_ExistNodes);
} else {
FormValueNode_MatchNoneCreateChild(pFormNode);
}
}
break;
}
default:
break;
}
}
if (bMatchRef &&
(eType == XFA_Element::Subform || eType == XFA_Element::SubformSet ||
eType == XFA_Element::Area || eType == XFA_Element::PageArea ||
eType == XFA_Element::PageSet)) {
for (CXFA_Node* pFormChild = pFormNode->GetFirstChild(); pFormChild;
pFormChild = pFormChild->GetNextSibling()) {
if (!pFormChild->IsContainerNode())
continue;
if (pFormChild->IsUnusedNode())
continue;
UpdateBindingRelations(pDocument, pFormChild,
pDataNode ? pDataNode : pDataScope, bDataRef,
bParentDataRef);
}
}
}
void UpdateDataRelation(CXFA_Node* pDataNode, CXFA_Node* pDataDescriptionNode) {
ASSERT(pDataDescriptionNode);
for (CXFA_Node* pDataChild = pDataNode->GetFirstChild(); pDataChild;
pDataChild = pDataChild->GetNextSibling()) {
uint32_t dwNameHash = pDataChild->GetNameHash();
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;
Optional<WideString> ns = pDDGroupNode->JSObject()->TryNamespace();
if (!ns.has_value() ||
!ns.value().EqualsASCII("http://ns.adobe.com/data-description/")) {
continue;
}
}
CXFA_Node* pDDNode = pDDGroupNode->GetFirstChildByName(dwNameHash);
if (!pDDNode)
continue;
if (pDDNode->GetElementType() != pDataChild->GetElementType())
break;
pDataChild->SetDataDescriptionNode(pDDNode);
UpdateDataRelation(pDataChild, pDDNode);
break;
}
}
}
} // namespace
CXFA_Document::CXFA_Document(CXFA_FFNotify* notify,
std::unique_ptr<LayoutProcessorIface> pLayout)
: CXFA_NodeOwner(),
notify_(notify),
m_pLayoutProcessor(std::move(pLayout)) {
if (m_pLayoutProcessor)
m_pLayoutProcessor->SetDocument(this);
}
CXFA_Document::~CXFA_Document() = default;
void CXFA_Document::ClearLayoutData() {
m_pLayoutProcessor.reset();
m_pScriptContext.reset();
m_pLocaleMgr.reset();
m_pScriptDataWindow.reset();
m_pScriptEvent.reset();
m_pScriptHost.reset();
m_pScriptLog.reset();
m_pScriptLayout.reset();
m_pScriptSignature.reset();
}
CXFA_Object* CXFA_Document::GetXFAObject(XFA_HashCode dwNodeNameHash) {
switch (dwNodeNameHash) {
case XFA_HASHCODE_Data: {
CXFA_Node* pDatasetsNode = ToNode(GetXFAObject(XFA_HASHCODE_Datasets));
if (!pDatasetsNode)
return nullptr;
for (CXFA_DataGroup* pDatasetsChild =
pDatasetsNode->GetFirstChildByClass<CXFA_DataGroup>(
XFA_Element::DataGroup);
pDatasetsChild;
pDatasetsChild =
pDatasetsChild->GetNextSameClassSibling<CXFA_DataGroup>(
XFA_Element::DataGroup)) {
if (pDatasetsChild->GetNameHash() != XFA_HASHCODE_Data)
continue;
Optional<WideString> namespaceURI =
pDatasetsChild->JSObject()->TryNamespace();
if (!namespaceURI)
continue;
Optional<WideString> datasetsURI =
pDatasetsNode->JSObject()->TryNamespace();
if (!datasetsURI)
continue;
if (*namespaceURI == *datasetsURI)
return pDatasetsChild;
}
return nullptr;
}
case XFA_HASHCODE_Record: {
CXFA_Node* pData = ToNode(GetXFAObject(XFA_HASHCODE_Data));
return pData ? pData->GetFirstChildByClass<CXFA_DataGroup>(
XFA_Element::DataGroup)
: nullptr;
}
case XFA_HASHCODE_DataWindow: {
if (!m_pScriptDataWindow)
m_pScriptDataWindow = pdfium::MakeUnique<CScript_DataWindow>(this);
return m_pScriptDataWindow.get();
}
case XFA_HASHCODE_Event: {
if (!m_pScriptEvent)
m_pScriptEvent = pdfium::MakeUnique<CScript_EventPseudoModel>(this);
return m_pScriptEvent.get();
}
case XFA_HASHCODE_Host: {
if (!m_pScriptHost)
m_pScriptHost = pdfium::MakeUnique<CScript_HostPseudoModel>(this);
return m_pScriptHost.get();
}
case XFA_HASHCODE_Log: {
if (!m_pScriptLog)
m_pScriptLog = pdfium::MakeUnique<CScript_LogPseudoModel>(this);
return m_pScriptLog.get();
}
case XFA_HASHCODE_Signature: {
if (!m_pScriptSignature)
m_pScriptSignature =
pdfium::MakeUnique<CScript_SignaturePseudoModel>(this);
return m_pScriptSignature.get();
}
case XFA_HASHCODE_Layout: {
if (!m_pScriptLayout)
m_pScriptLayout = pdfium::MakeUnique<CScript_LayoutPseudoModel>(this);
return m_pScriptLayout.get();
}
default:
return m_pRootNode->GetFirstChildByName(dwNodeNameHash);
}
}
CXFA_Node* CXFA_Document::CreateNode(XFA_PacketType packet,
XFA_Element eElement) {
if (eElement == XFA_Element::Unknown)
return nullptr;
return AddOwnedNode(CXFA_Node::Create(this, eElement, packet));
}
bool CXFA_Document::IsInteractive() {
if (m_Interactive.has_value())
return m_Interactive.value();
CXFA_Node* pConfig = ToNode(GetXFAObject(XFA_HASHCODE_Config));
if (!pConfig)
return false;
CXFA_Present* pPresent =
pConfig->GetFirstChildByClass<CXFA_Present>(XFA_Element::Present);
if (!pPresent)
return false;
CXFA_Pdf* pPDF = pPresent->GetFirstChildByClass<CXFA_Pdf>(XFA_Element::Pdf);
if (!pPDF)
return false;
CXFA_Interactive* pFormFiller =
pPDF->GetChild<CXFA_Interactive>(0, XFA_Element::Interactive, false);
if (!pFormFiller)
return false;
WideString wsInteractive = pFormFiller->JSObject()->GetContent(false);
bool bInteractive = wsInteractive.EqualsASCII("1");
m_Interactive = bInteractive;
return bInteractive;
}
CXFA_LocaleMgr* CXFA_Document::GetLocaleMgr() {
if (!m_pLocaleMgr) {
m_pLocaleMgr = pdfium::MakeUnique<CXFA_LocaleMgr>(
ToNode(GetXFAObject(XFA_HASHCODE_LocaleSet)),
GetNotify()->GetAppProvider()->GetLanguage());
}
return m_pLocaleMgr.get();
}
CFXJSE_Engine* CXFA_Document::InitScriptContext(CJS_Runtime* fxjs_runtime) {
ASSERT(!m_pScriptContext);
m_pScriptContext = pdfium::MakeUnique<CFXJSE_Engine>(this, fxjs_runtime);
return m_pScriptContext.get();
}
CFXJSE_Engine* CXFA_Document::GetScriptContext() const {
ASSERT(m_pScriptContext);
return m_pScriptContext.get();
}
XFA_VERSION CXFA_Document::RecognizeXFAVersionNumber(
const WideString& wsTemplateNS) {
WideStringView wsTemplateURIPrefix(kTemplateNS);
if (wsTemplateNS.GetLength() <= wsTemplateURIPrefix.GetLength())
return XFA_VERSION_UNKNOWN;
size_t prefixLength = wsTemplateURIPrefix.GetLength();
if (WideStringView(wsTemplateNS.c_str(), prefixLength) != wsTemplateURIPrefix)
return XFA_VERSION_UNKNOWN;
auto nDotPos = wsTemplateNS.Find('.', prefixLength);
if (!nDotPos.has_value())
return XFA_VERSION_UNKNOWN;
int8_t iMajor = FXSYS_wtoi(
wsTemplateNS.Substr(prefixLength, nDotPos.value() - prefixLength)
.c_str());
int8_t iMinor =
FXSYS_wtoi(wsTemplateNS
.Substr(nDotPos.value() + 1,
wsTemplateNS.GetLength() - nDotPos.value() - 2)
.c_str());
XFA_VERSION eVersion = (XFA_VERSION)((int32_t)iMajor * 100 + iMinor);
if (eVersion < XFA_VERSION_MIN || eVersion > XFA_VERSION_MAX)
return XFA_VERSION_UNKNOWN;
m_eCurVersionMode = eVersion;
return eVersion;
}
FormType CXFA_Document::GetFormType() const {
return GetNotify()->GetHDOC()->GetFormType();
}
CXFA_Node* CXFA_Document::GetNodeByID(CXFA_Node* pRoot,
WideStringView wsID) const {
if (!pRoot || wsID.IsEmpty())
return nullptr;
CXFA_NodeIterator sIterator(pRoot);
for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
pNode = sIterator.MoveToNext()) {
WideString wsIDVal = pNode->JSObject()->GetCData(XFA_Attribute::Id);
if (!wsIDVal.IsEmpty() && wsIDVal == wsID)
return pNode;
}
return nullptr;
}
void CXFA_Document::DoProtoMerge() {
CXFA_Node* pTemplateRoot = ToNode(GetXFAObject(XFA_HASHCODE_Template));
if (!pTemplateRoot)
return;
std::map<uint32_t, CXFA_Node*> mIDMap;
std::set<CXFA_Node*> sUseNodes;
CXFA_NodeIterator sIterator(pTemplateRoot);
for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
pNode = sIterator.MoveToNext()) {
WideString wsIDVal = pNode->JSObject()->GetCData(XFA_Attribute::Id);
if (!wsIDVal.IsEmpty())
mIDMap[FX_HashCode_GetW(wsIDVal.AsStringView(), false)] = pNode;
WideString wsUseVal = pNode->JSObject()->GetCData(XFA_Attribute::Use);
if (!wsUseVal.IsEmpty()) {
sUseNodes.insert(pNode);
} else {
wsUseVal = pNode->JSObject()->GetCData(XFA_Attribute::Usehref);
if (!wsUseVal.IsEmpty())
sUseNodes.insert(pNode);
}
}
for (CXFA_Node* pUseHrefNode : sUseNodes) {
// Must outlive the WideStringViews below.
WideString wsUseVal =
pUseHrefNode->JSObject()->GetCData(XFA_Attribute::Usehref);
WideStringView wsURI;
WideStringView wsID;
WideStringView wsSOM;
if (!wsUseVal.IsEmpty()) {
auto uSharpPos = wsUseVal.Find('#');
if (!uSharpPos.has_value()) {
wsURI = wsUseVal.AsStringView();
} else {
wsURI = WideStringView(wsUseVal.c_str(), uSharpPos.value());
size_t uLen = wsUseVal.GetLength();
if (uLen >= uSharpPos.value() + 5 &&
WideStringView(wsUseVal.c_str() + uSharpPos.value(), 5) ==
L"#som(" &&
wsUseVal[uLen - 1] == ')') {
wsSOM = WideStringView(wsUseVal.c_str() + uSharpPos.value() + 5,
uLen - 1 - uSharpPos.value() - 5);
} else {
wsID = WideStringView(wsUseVal.c_str() + uSharpPos.value() + 1,
uLen - uSharpPos.value() - 1);
}
}
} else {
wsUseVal = pUseHrefNode->JSObject()->GetCData(XFA_Attribute::Use);
if (!wsUseVal.IsEmpty()) {
if (wsUseVal[0] == '#')
wsID = WideStringView(wsUseVal.c_str() + 1, wsUseVal.GetLength() - 1);
else
wsSOM = WideStringView(wsUseVal.c_str(), wsUseVal.GetLength());
}
}
if (!wsURI.IsEmpty() && !wsURI.EqualsASCII("."))
continue;
CXFA_Node* pProtoNode = nullptr;
if (!wsSOM.IsEmpty()) {
uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Attributes |
XFA_RESOLVENODE_Properties | XFA_RESOLVENODE_Parent |
XFA_RESOLVENODE_Siblings;
XFA_RESOLVENODE_RS resolveNodeRS;
if (m_pScriptContext->ResolveObjects(pUseHrefNode, wsSOM, &resolveNodeRS,
dwFlag, nullptr)) {
auto* pFirstObject = resolveNodeRS.objects.front().Get();
if (pFirstObject && pFirstObject->IsNode())
pProtoNode = pFirstObject->AsNode();
}
} else if (!wsID.IsEmpty()) {
auto it = mIDMap.find(FX_HashCode_GetW(wsID, false));
if (it == mIDMap.end())
continue;
pProtoNode = it->second;
}
if (!pProtoNode)
continue;
MergeNode(pUseHrefNode, pProtoNode);
}
}
CXFA_Node* CXFA_Document::DataMerge_CopyContainer(CXFA_Node* pTemplateNode,
CXFA_Node* pFormNode,
CXFA_Node* pDataScope,
bool bOneInstance,
bool bDataMerge,
bool bUpLevel) {
ASSERT(pTemplateNode->IsContainerNode());
switch (pTemplateNode->GetElementType()) {
case XFA_Element::Area:
case XFA_Element::PageArea:
case XFA_Element::Subform:
case XFA_Element::SubformSet:
return CopyContainer_SubformSet(this, pTemplateNode, pFormNode,
pDataScope, bOneInstance, bDataMerge);
case XFA_Element::ContentArea:
case XFA_Element::Draw:
case XFA_Element::ExclGroup:
case XFA_Element::Field:
return CopyContainer_Field(this, pTemplateNode, pFormNode, pDataScope,
bDataMerge, bUpLevel);
case XFA_Element::PageSet:
case XFA_Element::Variables:
return nullptr;
default:
NOTREACHED();
return nullptr;
}
}
void CXFA_Document::DataMerge_UpdateBindingRelations(
CXFA_Node* pFormUpdateRoot) {
CXFA_Node* pDataScope =
XFA_DataMerge_FindDataScope(pFormUpdateRoot->GetParent());
if (!pDataScope)
return;
UpdateBindingRelations(this, pFormUpdateRoot, pDataScope, false, false);
UpdateBindingRelations(this, pFormUpdateRoot, pDataScope, true, false);
}
CXFA_Node* CXFA_Document::GetNotBindNode(
const std::vector<UnownedPtr<CXFA_Object>>& arrayObjects) const {
for (auto& pObject : arrayObjects) {
CXFA_Node* pNode = pObject->AsNode();
if (pNode && !pNode->HasBindItem())
return pNode;
}
return nullptr;
}
void CXFA_Document::DoDataMerge() {
CXFA_Node* pDatasetsRoot = ToNode(GetXFAObject(XFA_HASHCODE_Datasets));
if (!pDatasetsRoot) {
// Ownership will be passed in the AppendChild below to the XML tree.
auto* pDatasetsXMLNode =
notify_->GetHDOC()->GetXMLDocument()->CreateNode<CFX_XMLElement>(
L"xfa:datasets");
pDatasetsXMLNode->SetAttribute(L"xmlns:xfa",
L"http://www.xfa.org/schema/xfa-data/1.0/");
pDatasetsRoot =
CreateNode(XFA_PacketType::Datasets, XFA_Element::DataModel);
pDatasetsRoot->JSObject()->SetCData(XFA_Attribute::Name, L"datasets", false,
false);
m_pRootNode->GetXMLMappingNode()->AppendLastChild(pDatasetsXMLNode);
m_pRootNode->InsertChildAndNotify(pDatasetsRoot, nullptr);
pDatasetsRoot->SetXMLMappingNode(pDatasetsXMLNode);
}
CXFA_Node* pDataRoot = nullptr;
CXFA_Node* pDDRoot = nullptr;
WideString wsDatasetsURI =
pDatasetsRoot->JSObject()->TryNamespace().value_or(WideString());
for (CXFA_Node* pChildNode = pDatasetsRoot->GetFirstChild(); pChildNode;
pChildNode = pChildNode->GetNextSibling()) {
if (pChildNode->GetElementType() != XFA_Element::DataGroup)
continue;
if (!pDDRoot && pChildNode->GetNameHash() == XFA_HASHCODE_DataDescription) {
Optional<WideString> namespaceURI =
pChildNode->JSObject()->TryNamespace();
if (!namespaceURI.has_value())
continue;
if (namespaceURI.value().EqualsASCII(
"http://ns.adobe.com/data-description/")) {
pDDRoot = pChildNode;
}
} else if (!pDataRoot && pChildNode->GetNameHash() == XFA_HASHCODE_Data) {
Optional<WideString> namespaceURI =
pChildNode->JSObject()->TryNamespace();
if (!namespaceURI)
continue;
if (*namespaceURI == wsDatasetsURI)
pDataRoot = pChildNode;
}
if (pDataRoot && pDDRoot)
break;
}
if (!pDataRoot) {
pDataRoot = CreateNode(XFA_PacketType::Datasets, XFA_Element::DataGroup);
pDataRoot->JSObject()->SetCData(XFA_Attribute::Name, L"data", false, false);
auto* elem =
notify_->GetHDOC()->GetXMLDocument()->CreateNode<CFX_XMLElement>(
L"xfa:data");
pDataRoot->SetXMLMappingNode(elem);
pDatasetsRoot->InsertChildAndNotify(pDataRoot, nullptr);
}
CXFA_DataGroup* pDataTopLevel =
pDataRoot->GetFirstChildByClass<CXFA_DataGroup>(XFA_Element::DataGroup);
uint32_t dwNameHash = pDataTopLevel ? pDataTopLevel->GetNameHash() : 0;
CXFA_Template* pTemplateRoot =
m_pRootNode->GetFirstChildByClass<CXFA_Template>(XFA_Element::Template);
if (!pTemplateRoot)
return;
CXFA_Node* pTemplateChosen =
dwNameHash != 0 ? pTemplateRoot->GetFirstChildByName(dwNameHash)
: nullptr;
if (!pTemplateChosen ||
pTemplateChosen->GetElementType() != XFA_Element::Subform) {
pTemplateChosen =
pTemplateRoot->GetFirstChildByClass<CXFA_Subform>(XFA_Element::Subform);
}
if (!pTemplateChosen)
return;
CXFA_Form* pFormRoot =
m_pRootNode->GetFirstChildByClass<CXFA_Form>(XFA_Element::Form);
bool bEmptyForm = false;
if (!pFormRoot) {
bEmptyForm = true;
pFormRoot = static_cast<CXFA_Form*>(
CreateNode(XFA_PacketType::Form, XFA_Element::Form));
ASSERT(pFormRoot);
pFormRoot->JSObject()->SetCData(XFA_Attribute::Name, L"form", false, false);
m_pRootNode->InsertChildAndNotify(pFormRoot, nullptr);
} else {
CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFANode>
sIterator(pFormRoot);
for (CXFA_Node* pNode = sIterator.MoveToNext(); pNode;
pNode = sIterator.MoveToNext()) {
pNode->SetFlag(XFA_NodeFlag_UnusedNode);
}
}
CXFA_Node* pSubformSetNode = XFA_NodeMerge_CloneOrMergeContainer(
this, pFormRoot, pTemplateChosen, false, nullptr);
ASSERT(pSubformSetNode);
if (!pDataTopLevel) {
WideString wsFormName =
pSubformSetNode->JSObject()->GetCData(XFA_Attribute::Name);
WideString wsDataTopLevelName(wsFormName.IsEmpty() ? L"form" : wsFormName);
pDataTopLevel = static_cast<CXFA_DataGroup*>(
CreateNode(XFA_PacketType::Datasets, XFA_Element::DataGroup));
pDataTopLevel->JSObject()->SetCData(XFA_Attribute::Name, wsDataTopLevelName,
false, false);
auto* elem =
notify_->GetHDOC()->GetXMLDocument()->CreateNode<CFX_XMLElement>(
wsDataTopLevelName);
pDataTopLevel->SetXMLMappingNode(elem);
CXFA_Node* pBeforeNode = pDataRoot->GetFirstChild();
pDataRoot->InsertChildAndNotify(pDataTopLevel, pBeforeNode);
}
ASSERT(pDataTopLevel);
CreateDataBinding(pSubformSetNode, pDataTopLevel, true);
for (CXFA_Node* pTemplateChild = pTemplateChosen->GetFirstChild();
pTemplateChild; pTemplateChild = pTemplateChild->GetNextSibling()) {
if (XFA_DataMerge_NeedGenerateForm(pTemplateChild, true)) {
XFA_NodeMerge_CloneOrMergeContainer(this, pSubformSetNode, pTemplateChild,
true, nullptr);
} else if (pTemplateChild->IsContainerNode()) {
DataMerge_CopyContainer(pTemplateChild, pSubformSetNode, pDataTopLevel,
false, true, true);
}
}
if (pDDRoot)
UpdateDataRelation(pDataRoot, pDDRoot);
DataMerge_UpdateBindingRelations(pSubformSetNode);
CXFA_PageSet* pPageSetNode =
pSubformSetNode->GetFirstChildByClass<CXFA_PageSet>(XFA_Element::PageSet);
while (pPageSetNode) {
m_pPendingPageSet.push_back(pPageSetNode);
CXFA_PageSet* pNextPageSetNode =
pPageSetNode->GetNextSameClassSibling<CXFA_PageSet>(
XFA_Element::PageSet);
pSubformSetNode->RemoveChildAndNotify(pPageSetNode, true);
pPageSetNode = pNextPageSetNode;
}
if (bEmptyForm)
return;
CXFA_NodeIteratorTemplate<CXFA_Node, CXFA_TraverseStrategy_XFANode> sIterator(
pFormRoot);
CXFA_Node* pNode = sIterator.MoveToNext();
while (pNode) {
if (pNode->IsUnusedNode()) {
if (pNode->IsContainerNode() ||
pNode->GetElementType() == XFA_Element::InstanceManager) {
CXFA_Node* pNext = sIterator.SkipChildrenAndMoveToNext();
pNode->GetParent()->RemoveChildAndNotify(pNode, true);
pNode = pNext;
} else {
pNode->ClearFlag(XFA_NodeFlag_UnusedNode);
pNode->SetFlagAndNotify(XFA_NodeFlag_Initialized);
pNode = sIterator.MoveToNext();
}
} else {
pNode->SetFlagAndNotify(XFA_NodeFlag_Initialized);
pNode = sIterator.MoveToNext();
}
}
}
void CXFA_Document::DoDataRemerge(bool bDoDataMerge) {
CXFA_Node* pFormRoot = ToNode(GetXFAObject(XFA_HASHCODE_Form));
if (pFormRoot) {
while (CXFA_Node* pNode = pFormRoot->GetFirstChild())
pFormRoot->RemoveChildAndNotify(pNode, true);
pFormRoot->SetBindingNode(nullptr);
}
m_rgGlobalBinding.clear();
if (bDoDataMerge)
DoDataMerge();
GetLayoutProcessor()->SetForceRelayout(true);
}
CXFA_Node* CXFA_Document::GetGlobalBinding(uint32_t dwNameHash) {
auto it = m_rgGlobalBinding.find(dwNameHash);
return it != m_rgGlobalBinding.end() ? it->second : nullptr;
}
void CXFA_Document::RegisterGlobalBinding(uint32_t dwNameHash,
CXFA_Node* pDataNode) {
m_rgGlobalBinding[dwNameHash] = pDataNode;
}
void CXFA_Document::SetPendingNodesUnusedAndUnbound() {
for (CXFA_Node* pPageNode : m_pPendingPageSet) {
CXFA_NodeIterator sIterator(pPageNode);
for (CXFA_Node* pNode = sIterator.GetCurrent(); pNode;
pNode = sIterator.MoveToNext()) {
if (pNode->IsContainerNode()) {
CXFA_Node* pBindNode = pNode->GetBindData();
if (pBindNode) {
pBindNode->RemoveBindItem(pNode);
pNode->SetBindingNode(nullptr);
}
}
pNode->SetFlag(XFA_NodeFlag_UnusedNode);
}
}
}
CXFA_Document::LayoutProcessorIface::LayoutProcessorIface() = default;
CXFA_Document::LayoutProcessorIface::~LayoutProcessorIface() = default;