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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_dataexporter.h"
#include "core/fxcrt/fx_codepage.h"
#include "core/fxcrt/xml/cfx_xmldoc.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "core/fxcrt/xml/cfx_xmlnode.h"
#include "third_party/base/stl_util.h"
#include "xfa/fxfa/parser/cxfa_document.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/xfa_utils.h"
CXFA_DataExporter::CXFA_DataExporter(CXFA_Document* pDocument)
: m_pDocument(pDocument) {
ASSERT(m_pDocument);
}
CXFA_DataExporter::~CXFA_DataExporter() {}
bool CXFA_DataExporter::Export(const RetainPtr<IFX_SeekableStream>& pWrite) {
return Export(pWrite, m_pDocument->GetRoot(), 0, nullptr);
}
bool CXFA_DataExporter::Export(const RetainPtr<IFX_SeekableStream>& pWrite,
CXFA_Node* pNode,
uint32_t dwFlag,
const char* pChecksum) {
ASSERT(pWrite);
if (!pWrite)
return false;
auto pStream = pdfium::MakeRetain<CFX_SeekableStreamProxy>(pWrite, true);
pStream->SetCodePage(FX_CODEPAGE_UTF8);
return Export(pStream, pNode, dwFlag, pChecksum);
}
bool CXFA_DataExporter::Export(
const RetainPtr<CFX_SeekableStreamProxy>& pStream,
CXFA_Node* pNode,
uint32_t dwFlag,
const char* pChecksum) {
if (pNode->IsModelNode()) {
switch (pNode->GetPacketType()) {
case XFA_PacketType::Xdp: {
pStream->WriteString(
L"<xdp:xdp xmlns:xdp=\"http://ns.adobe.com/xdp/\">");
for (CXFA_Node* pChild = pNode->GetFirstChild(); pChild;
pChild = pChild->GetNextSibling()) {
Export(pStream, pChild, dwFlag, pChecksum);
}
pStream->WriteString(L"</xdp:xdp\n>");
break;
}
case XFA_PacketType::Datasets: {
CFX_XMLElement* pElement =
static_cast<CFX_XMLElement*>(pNode->GetXMLMappingNode());
if (!pElement || pElement->GetType() != FX_XMLNODE_Element)
return false;
CXFA_Node* pDataNode = pNode->GetFirstChild();
ASSERT(pDataNode);
XFA_DataExporter_DealWithDataGroupNode(pDataNode);
pElement->Save(pStream);
break;
}
case XFA_PacketType::Form: {
XFA_DataExporter_RegenerateFormFile(pNode, pStream, pChecksum, false);
break;
}
case XFA_PacketType::Template:
default: {
CFX_XMLElement* pElement =
static_cast<CFX_XMLElement*>(pNode->GetXMLMappingNode());
if (!pElement || pElement->GetType() != FX_XMLNODE_Element)
return false;
pElement->Save(pStream);
break;
}
}
return true;
}
CXFA_Node* pDataNode = pNode->GetParent();
CXFA_Node* pExportNode = pNode;
for (CXFA_Node* pChildNode = pDataNode->GetFirstChild(); pChildNode;
pChildNode = pChildNode->GetNextSibling()) {
if (pChildNode != pNode) {
pExportNode = pDataNode;
break;
}
}
CFX_XMLElement* pElement =
static_cast<CFX_XMLElement*>(pExportNode->GetXMLMappingNode());
if (!pElement || pElement->GetType() != FX_XMLNODE_Element)
return false;
XFA_DataExporter_DealWithDataGroupNode(pExportNode);
pElement->SetString(L"xmlns:xfa", L"http://www.xfa.org/schema/xfa-data/1.0/");
pElement->Save(pStream);
pElement->RemoveAttribute(L"xmlns:xfa");
return true;
}
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