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// Copyright 2017 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/fde/xml/cfde_xmldoc.h"
#include <utility>
#include <vector>
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
#include "xfa/fde/xml/cfde_xmlchardata.h"
#include "xfa/fde/xml/cfde_xmlelement.h"
#include "xfa/fde/xml/cfde_xmlinstruction.h"
#include "xfa/fde/xml/cfde_xmlnode.h"
#include "xfa/fde/xml/cfde_xmltext.h"
#include "xfa/fgas/crt/fgas_codepage.h"
CFDE_XMLDoc::CFDE_XMLDoc()
: m_iStatus(0), m_pRoot(pdfium::MakeUnique<CFDE_XMLNode>()) {
m_pRoot->InsertChildNode(new CFDE_XMLInstruction(L"xml"));
}
CFDE_XMLDoc::~CFDE_XMLDoc() {}
bool CFDE_XMLDoc::LoadXML(std::unique_ptr<CFDE_XMLParser> pXMLParser) {
if (!pXMLParser)
return false;
m_iStatus = 0;
m_pStream.Reset();
m_pRoot->DeleteChildren();
m_pXMLParser = std::move(pXMLParser);
return true;
}
int32_t CFDE_XMLDoc::DoLoad(IFX_Pause* pPause) {
if (m_iStatus < 100)
m_iStatus = m_pXMLParser->DoParser(pPause);
return m_iStatus;
}
void CFDE_XMLDoc::CloseXML() {
m_pXMLParser.reset();
}
void CFDE_XMLDoc::SaveXMLNode(const CFX_RetainPtr<IFGAS_Stream>& pXMLStream,
CFDE_XMLNode* pINode) {
CFDE_XMLNode* pNode = (CFDE_XMLNode*)pINode;
switch (pNode->GetType()) {
case FDE_XMLNODE_Instruction: {
CFX_WideString ws;
CFDE_XMLInstruction* pInstruction = (CFDE_XMLInstruction*)pNode;
if (pInstruction->m_wsTarget.CompareNoCase(L"xml") == 0) {
ws = L"<?xml version=\"1.0\" encoding=\"";
uint16_t wCodePage = pXMLStream->GetCodePage();
if (wCodePage == FX_CODEPAGE_UTF16LE) {
ws += L"UTF-16";
} else if (wCodePage == FX_CODEPAGE_UTF16BE) {
ws += L"UTF-16be";
} else {
ws += L"UTF-8";
}
ws += L"\"?>";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
} else {
ws.Format(L"<?%s", pInstruction->m_wsTarget.c_str());
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
std::vector<CFX_WideString>& attributes = pInstruction->m_Attributes;
int32_t i;
int32_t iCount = pdfium::CollectionSize<int32_t>(attributes);
CFX_WideString wsValue;
for (i = 0; i < iCount; i += 2) {
ws = L" ";
ws += attributes[i];
ws += L"=\"";
wsValue = attributes[i + 1];
wsValue.Replace(L"&", L"&");
wsValue.Replace(L"<", L"<");
wsValue.Replace(L">", L">");
wsValue.Replace(L"\'", L"'");
wsValue.Replace(L"\"", L""");
ws += wsValue;
ws += L"\"";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
}
std::vector<CFX_WideString>& targetdata = pInstruction->m_TargetData;
iCount = pdfium::CollectionSize<int32_t>(targetdata);
for (i = 0; i < iCount; i++) {
ws = L" \"";
ws += targetdata[i];
ws += L"\"";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
}
ws = L"?>";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
}
break;
}
case FDE_XMLNODE_Element: {
CFX_WideString ws;
ws = L"<";
ws += ((CFDE_XMLElement*)pNode)->m_wsTag;
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
std::vector<CFX_WideString>& attributes =
static_cast<CFDE_XMLElement*>(pNode)->m_Attributes;
int32_t iCount = pdfium::CollectionSize<int32_t>(attributes);
CFX_WideString wsValue;
for (int32_t i = 0; i < iCount; i += 2) {
ws = L" ";
ws += attributes[i];
ws += L"=\"";
wsValue = attributes[i + 1];
wsValue.Replace(L"&", L"&");
wsValue.Replace(L"<", L"<");
wsValue.Replace(L">", L">");
wsValue.Replace(L"\'", L"'");
wsValue.Replace(L"\"", L""");
ws += wsValue;
ws += L"\"";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
}
if (pNode->m_pChild) {
ws = L"\n>";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
CFDE_XMLNode* pChild = pNode->m_pChild;
while (pChild) {
SaveXMLNode(pXMLStream, static_cast<CFDE_XMLNode*>(pChild));
pChild = pChild->m_pNext;
}
ws = L"</";
ws += ((CFDE_XMLElement*)pNode)->m_wsTag;
ws += L"\n>";
} else {
ws = L"\n/>";
}
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
break;
}
case FDE_XMLNODE_Text: {
CFX_WideString ws = static_cast<CFDE_XMLText*>(pNode)->GetText();
ws.Replace(L"&", L"&");
ws.Replace(L"<", L"<");
ws.Replace(L">", L">");
ws.Replace(L"\'", L"'");
ws.Replace(L"\"", L""");
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
break;
}
case FDE_XMLNODE_CharData: {
CFX_WideString ws = L"<![CDATA[";
ws += static_cast<CFDE_XMLCharData*>(pNode)->GetText();
ws += L"]]>";
pXMLStream->WriteString(ws.c_str(), ws.GetLength());
break;
}
case FDE_XMLNODE_Unknown:
default:
break;
}
}
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