Split the FDE XML file into indiviual class files.

This Cl splits the fde_xml_int file apart into individual class files.
Includes are fixed as needed. fde_xml.h is also removed and the needed
defines moved to more appropiate places.

Change-Id: I29774dabc4d0fb2d5092fcbbe7853f03401b6ec7
Reviewed-on: https://pdfium-review.googlesource.com/3616
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 1832 deletions

diff --git a/xfa/fde/xml/fde_xml_imp.cpp b/xfa/fde/xml/fde_xml_imp.cpp
deleted file mode 100644
index 2de48ef1f4..0000000000
--- a/xfa/fde/xml/fde_xml_imp.cpp
+++ /dev/null
@@ -1,1832 +0,0 @@
-// 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/fde/xml/fde_xml_imp.h"
-
-#include <algorithm>
-#include <utility>
-
-#include "core/fxcrt/fx_ext.h"
-#include "core/fxcrt/fx_safe_types.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
-#include "xfa/fde/xml/cfde_xml_parser.h"
-#include "xfa/fgas/crt/fgas_codepage.h"
-
-namespace {
-
-const uint32_t kMaxCharRange = 0x10ffff;
-
-const uint16_t g_XMLValidCharRange[][2] = {{0x09, 0x09},
-                                           {0x0A, 0x0A},
-                                           {0x0D, 0x0D},
-                                           {0x20, 0xD7FF},
-                                           {0xE000, 0xFFFD}};
-
-bool FDE_IsXMLWhiteSpace(wchar_t ch) {
-  return ch == L' ' || ch == 0x0A || ch == 0x0D || ch == 0x09;
-}
-
-struct FDE_XMLNAMECHAR {
-  uint16_t wStart;
-  uint16_t wEnd;
-  bool bStartChar;
-};
-
-const FDE_XMLNAMECHAR g_XMLNameChars[] = {
-    {L'-', L'.', false},    {L'0', L'9', false},     {L':', L':', false},
-    {L'A', L'Z', true},     {L'_', L'_', true},      {L'a', L'z', true},
-    {0xB7, 0xB7, false},    {0xC0, 0xD6, true},      {0xD8, 0xF6, true},
-    {0xF8, 0x02FF, true},   {0x0300, 0x036F, false}, {0x0370, 0x037D, true},
-    {0x037F, 0x1FFF, true}, {0x200C, 0x200D, true},  {0x203F, 0x2040, false},
-    {0x2070, 0x218F, true}, {0x2C00, 0x2FEF, true},  {0x3001, 0xD7FF, true},
-    {0xF900, 0xFDCF, true}, {0xFDF0, 0xFFFD, true},
-};
-
-bool FDE_IsXMLNameChar(wchar_t ch, bool bFirstChar) {
-  int32_t iStart = 0;
-  int32_t iEnd = FX_ArraySize(g_XMLNameChars) - 1;
-  while (iStart <= iEnd) {
-    int32_t iMid = (iStart + iEnd) / 2;
-    if (ch < g_XMLNameChars[iMid].wStart) {
-      iEnd = iMid - 1;
-    } else if (ch > g_XMLNameChars[iMid].wEnd) {
-      iStart = iMid + 1;
-    } else {
-      return bFirstChar ? g_XMLNameChars[iMid].bStartChar : true;
-    }
-  }
-  return false;
-}
-
-}  // namespace
-
-bool FDE_IsXMLValidChar(wchar_t ch) {
-  int32_t iStart = 0;
-  int32_t iEnd = FX_ArraySize(g_XMLValidCharRange) - 1;
-  while (iStart <= iEnd) {
-    int32_t iMid = (iStart + iEnd) / 2;
-    if (ch < g_XMLValidCharRange[iMid][0]) {
-      iEnd = iMid - 1;
-    } else if (ch > g_XMLValidCharRange[iMid][1]) {
-      iStart = iMid + 1;
-    } else {
-      return true;
-    }
-  }
-  return false;
-}
-
-CFDE_XMLNode::CFDE_XMLNode()
-    : m_pParent(nullptr),
-      m_pChild(nullptr),
-      m_pPrior(nullptr),
-      m_pNext(nullptr) {}
-
-FDE_XMLNODETYPE CFDE_XMLNode::GetType() const {
-  return FDE_XMLNODE_Unknown;
-}
-
-CFDE_XMLNode::~CFDE_XMLNode() {
-  DeleteChildren();
-}
-
-void CFDE_XMLNode::DeleteChildren() {
-  CFDE_XMLNode* pChild = m_pChild;
-  while (pChild) {
-    CFDE_XMLNode* pNext = pChild->m_pNext;
-    delete pChild;
-    pChild = pNext;
-  }
-  m_pChild = nullptr;
-}
-
-int32_t CFDE_XMLNode::CountChildNodes() const {
-  int32_t iCount = 0;
-  CFDE_XMLNode* pChild = m_pChild;
-  while (pChild) {
-    iCount++;
-    pChild = pChild->m_pNext;
-  }
-  return iCount;
-}
-
-CFDE_XMLNode* CFDE_XMLNode::GetChildNode(int32_t index) const {
-  CFDE_XMLNode* pChild = m_pChild;
-  while (pChild) {
-    if (index == 0) {
-      return pChild;
-    }
-    index--;
-    pChild = pChild->m_pNext;
-  }
-  return nullptr;
-}
-
-int32_t CFDE_XMLNode::GetChildNodeIndex(CFDE_XMLNode* pNode) const {
-  int32_t index = 0;
-  CFDE_XMLNode* pChild = m_pChild;
-  while (pChild) {
-    if (pChild == pNode) {
-      return index;
-    }
-    index++;
-    pChild = pChild->m_pNext;
-  }
-  return -1;
-}
-
-CFDE_XMLNode* CFDE_XMLNode::GetPath(const wchar_t* pPath,
-                                    int32_t iLength,
-                                    bool bQualifiedName) const {
-  ASSERT(pPath);
-  if (iLength < 0) {
-    iLength = FXSYS_wcslen(pPath);
-  }
-  if (iLength == 0) {
-    return nullptr;
-  }
-  CFX_WideString csPath;
-  const wchar_t* pStart = pPath;
-  const wchar_t* pEnd = pPath + iLength;
-  wchar_t ch;
-  while (pStart < pEnd) {
-    ch = *pStart++;
-    if (ch == L'/') {
-      break;
-    } else {
-      csPath += ch;
-    }
-  }
-  iLength -= pStart - pPath;
-  CFDE_XMLNode* pFind = nullptr;
-  if (csPath.GetLength() < 1) {
-    pFind = GetNodeItem(CFDE_XMLNode::Root);
-  } else if (csPath.Compare(L"..") == 0) {
-    pFind = m_pParent;
-  } else if (csPath.Compare(L".") == 0) {
-    pFind = (CFDE_XMLNode*)this;
-  } else {
-    CFX_WideString wsTag;
-    CFDE_XMLNode* pNode = m_pChild;
-    while (pNode) {
-      if (pNode->GetType() == FDE_XMLNODE_Element) {
-        if (bQualifiedName) {
-          ((CFDE_XMLElement*)pNode)->GetTagName(wsTag);
-        } else {
-          ((CFDE_XMLElement*)pNode)->GetLocalTagName(wsTag);
-        }
-        if (wsTag.Compare(csPath) == 0) {
-          if (iLength < 1) {
-            pFind = pNode;
-          } else {
-            pFind = pNode->GetPath(pStart, iLength, bQualifiedName);
-          }
-          if (pFind)
-            return pFind;
-        }
-      }
-      pNode = pNode->m_pNext;
-    }
-  }
-  if (!pFind || iLength < 1)
-    return pFind;
-  return pFind->GetPath(pStart, iLength, bQualifiedName);
-}
-
-int32_t CFDE_XMLNode::InsertChildNode(CFDE_XMLNode* pNode, int32_t index) {
-  pNode->m_pParent = this;
-  if (!m_pChild) {
-    m_pChild = pNode;
-    pNode->m_pPrior = nullptr;
-    pNode->m_pNext = nullptr;
-    return 0;
-  }
-  if (index == 0) {
-    pNode->m_pNext = m_pChild;
-    pNode->m_pPrior = nullptr;
-    m_pChild->m_pPrior = pNode;
-    m_pChild = pNode;
-    return 0;
-  }
-  int32_t iCount = 0;
-  CFDE_XMLNode* pFind = m_pChild;
-  while (++iCount != index && pFind->m_pNext) {
-    pFind = pFind->m_pNext;
-  }
-  pNode->m_pPrior = pFind;
-  pNode->m_pNext = pFind->m_pNext;
-  if (pFind->m_pNext)
-    pFind->m_pNext->m_pPrior = pNode;
-  pFind->m_pNext = pNode;
-  return iCount;
-}
-
-void CFDE_XMLNode::RemoveChildNode(CFDE_XMLNode* pNode) {
-  ASSERT(m_pChild && pNode);
-  if (m_pChild == pNode) {
-    m_pChild = pNode->m_pNext;
-  } else {
-    pNode->m_pPrior->m_pNext = pNode->m_pNext;
-  }
-  if (pNode->m_pNext)
-    pNode->m_pNext->m_pPrior = pNode->m_pPrior;
-  pNode->m_pParent = nullptr;
-  pNode->m_pNext = nullptr;
-  pNode->m_pPrior = nullptr;
-}
-
-CFDE_XMLNode* CFDE_XMLNode::GetNodeItem(CFDE_XMLNode::NodeItem eItem) const {
-  switch (eItem) {
-    case CFDE_XMLNode::Root: {
-      CFDE_XMLNode* pParent = (CFDE_XMLNode*)this;
-      while (pParent->m_pParent) {
-        pParent = pParent->m_pParent;
-      }
-      return pParent;
-    }
-    case CFDE_XMLNode::Parent:
-      return m_pParent;
-    case CFDE_XMLNode::FirstSibling: {
-      CFDE_XMLNode* pItem = (CFDE_XMLNode*)this;
-      while (pItem->m_pPrior) {
-        pItem = pItem->m_pPrior;
-      }
-      return pItem == (CFDE_XMLNode*)this ? nullptr : pItem;
-    }
-    case CFDE_XMLNode::PriorSibling:
-      return m_pPrior;
-    case CFDE_XMLNode::NextSibling:
-      return m_pNext;
-    case CFDE_XMLNode::LastSibling: {
-      CFDE_XMLNode* pItem = (CFDE_XMLNode*)this;
-      while (pItem->m_pNext)
-        pItem = pItem->m_pNext;
-      return pItem == (CFDE_XMLNode*)this ? nullptr : pItem;
-    }
-    case CFDE_XMLNode::FirstNeighbor: {
-      CFDE_XMLNode* pParent = (CFDE_XMLNode*)this;
-      while (pParent->m_pParent)
-        pParent = pParent->m_pParent;
-      return pParent == (CFDE_XMLNode*)this ? nullptr : pParent;
-    }
-    case CFDE_XMLNode::PriorNeighbor: {
-      if (!m_pPrior)
-        return m_pParent;
-
-      CFDE_XMLNode* pItem = m_pPrior;
-      while (pItem->m_pChild) {
-        pItem = pItem->m_pChild;
-        while (pItem->m_pNext)
-          pItem = pItem->m_pNext;
-      }
-      return pItem;
-    }
-    case CFDE_XMLNode::NextNeighbor: {
-      if (m_pChild)
-        return m_pChild;
-      if (m_pNext)
-        return m_pNext;
-      CFDE_XMLNode* pItem = m_pParent;
-      while (pItem) {
-        if (pItem->m_pNext)
-          return pItem->m_pNext;
-        pItem = pItem->m_pParent;
-      }
-      return nullptr;
-    }
-    case CFDE_XMLNode::LastNeighbor: {
-      CFDE_XMLNode* pItem = (CFDE_XMLNode*)this;
-      while (pItem->m_pParent) {
-        pItem = pItem->m_pParent;
-      }
-      while (true) {
-        while (pItem->m_pNext)
-          pItem = pItem->m_pNext;
-        if (!pItem->m_pChild)
-          break;
-        pItem = pItem->m_pChild;
-      }
-      return pItem == (CFDE_XMLNode*)this ? nullptr : pItem;
-    }
-    case CFDE_XMLNode::FirstChild:
-      return m_pChild;
-    case CFDE_XMLNode::LastChild: {
-      if (!m_pChild)
-        return nullptr;
-
-      CFDE_XMLNode* pChild = m_pChild;
-      while (pChild->m_pNext)
-        pChild = pChild->m_pNext;
-      return pChild;
-    }
-    default:
-      break;
-  }
-  return nullptr;
-}
-
-int32_t CFDE_XMLNode::GetNodeLevel() const {
-  int32_t iLevel = 0;
-  const CFDE_XMLNode* pItem = m_pParent;
-  while (pItem) {
-    iLevel++;
-    pItem = pItem->m_pParent;
-  }
-  return iLevel;
-}
-
-bool CFDE_XMLNode::InsertNodeItem(CFDE_XMLNode::NodeItem eItem,
-                                  CFDE_XMLNode* pNode) {
-  switch (eItem) {
-    case CFDE_XMLNode::NextSibling: {
-      pNode->m_pParent = m_pParent;
-      pNode->m_pNext = m_pNext;
-      pNode->m_pPrior = this;
-      if (m_pNext) {
-        m_pNext->m_pPrior = pNode;
-      }
-      m_pNext = pNode;
-      return true;
-    }
-    case CFDE_XMLNode::PriorSibling: {
-      pNode->m_pParent = m_pParent;
-      pNode->m_pNext = this;
-      pNode->m_pPrior = m_pPrior;
-      if (m_pPrior) {
-        m_pPrior->m_pNext = pNode;
-      } else if (m_pParent) {
-        m_pParent->m_pChild = pNode;
-      }
-      m_pPrior = pNode;
-      return true;
-    }
-    default:
-      return false;
-  }
-}
-
-CFDE_XMLNode* CFDE_XMLNode::RemoveNodeItem(CFDE_XMLNode::NodeItem eItem) {
-  CFDE_XMLNode* pNode = nullptr;
-  switch (eItem) {
-    case CFDE_XMLNode::NextSibling:
-      if (m_pNext) {
-        pNode = m_pNext;
-        m_pNext = pNode->m_pNext;
-        if (m_pNext) {
-          m_pNext->m_pPrior = this;
-        }
-        pNode->m_pParent = nullptr;
-        pNode->m_pNext = nullptr;
-        pNode->m_pPrior = nullptr;
-      }
-      break;
-    default:
-      break;
-  }
-  return pNode;
-}
-
-CFDE_XMLNode* CFDE_XMLNode::Clone(bool bRecursive) {
-  return nullptr;
-}
-
-void CFDE_XMLNode::SaveXMLNode(const CFX_RetainPtr<IFGAS_Stream>& pXMLStream) {
-  CFDE_XMLNode* pNode = (CFDE_XMLNode*)this;
-  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"&amp;");
-          wsValue.Replace(L"<", L"&lt;");
-          wsValue.Replace(L">", L"&gt;");
-          wsValue.Replace(L"\'", L"&apos;");
-          wsValue.Replace(L"\"", L"&quot;");
-          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"&amp;");
-        wsValue.Replace(L"<", L"&lt;");
-        wsValue.Replace(L">", L"&gt;");
-        wsValue.Replace(L"\'", L"&apos;");
-        wsValue.Replace(L"\"", L"&quot;");
-        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) {
-          pChild->SaveXMLNode(pXMLStream);
-          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 = ((CFDE_XMLText*)pNode)->m_wsText;
-      ws.Replace(L"&", L"&amp;");
-      ws.Replace(L"<", L"&lt;");
-      ws.Replace(L">", L"&gt;");
-      ws.Replace(L"\'", L"&apos;");
-      ws.Replace(L"\"", L"&quot;");
-      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
-    } break;
-    case FDE_XMLNODE_CharData: {
-      CFX_WideString ws = L"<![CDATA[";
-      ws += ((CFDE_XMLCharData*)pNode)->m_wsCharData;
-      ws += L"]]>";
-      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
-    } break;
-    case FDE_XMLNODE_Unknown:
-      break;
-    default:
-      break;
-  }
-}
-
-void CFDE_XMLNode::CloneChildren(CFDE_XMLNode* pClone) {
-  if (!m_pChild) {
-    return;
-  }
-  CFDE_XMLNode* pNext = m_pChild;
-  CFDE_XMLNode* pCloneNext = pNext->Clone(true);
-  pClone->InsertChildNode(pCloneNext);
-  pNext = pNext->m_pNext;
-  while (pNext) {
-    CFDE_XMLNode* pChild = pNext->Clone(true);
-    pCloneNext->InsertNodeItem(CFDE_XMLNode::NextSibling, pChild);
-    pCloneNext = pChild;
-    pNext = pNext->m_pNext;
-  }
-}
-
-CFDE_XMLInstruction::CFDE_XMLInstruction(const CFX_WideString& wsTarget)
-    : m_wsTarget(wsTarget) {
-  ASSERT(m_wsTarget.GetLength() > 0);
-}
-
-FDE_XMLNODETYPE CFDE_XMLInstruction::GetType() const {
-  return FDE_XMLNODE_Instruction;
-}
-
-CFDE_XMLNode* CFDE_XMLInstruction::Clone(bool bRecursive) {
-  CFDE_XMLInstruction* pClone = new CFDE_XMLInstruction(m_wsTarget);
-  if (!pClone)
-    return nullptr;
-
-  pClone->m_Attributes = m_Attributes;
-  pClone->m_TargetData = m_TargetData;
-  if (bRecursive)
-    CloneChildren(pClone);
-
-  return pClone;
-}
-
-int32_t CFDE_XMLInstruction::CountAttributes() const {
-  return pdfium::CollectionSize<int32_t>(m_Attributes) / 2;
-}
-
-bool CFDE_XMLInstruction::GetAttribute(int32_t index,
-                                       CFX_WideString& wsAttriName,
-                                       CFX_WideString& wsAttriValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  ASSERT(index > -1 && index < iCount / 2);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (index == 0) {
-      wsAttriName = m_Attributes[i];
-      wsAttriValue = m_Attributes[i + 1];
-      return true;
-    }
-    index--;
-  }
-  return false;
-}
-
-bool CFDE_XMLInstruction::HasAttribute(const wchar_t* pwsAttriName) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      return true;
-    }
-  }
-  return false;
-}
-
-void CFDE_XMLInstruction::GetString(const wchar_t* pwsAttriName,
-                                    CFX_WideString& wsAttriValue,
-                                    const wchar_t* pwsDefValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      wsAttriValue = m_Attributes[i + 1];
-      return;
-    }
-  }
-  wsAttriValue = pwsDefValue;
-}
-
-void CFDE_XMLInstruction::SetString(const CFX_WideString& wsAttriName,
-                                    const CFX_WideString& wsAttriValue) {
-  ASSERT(wsAttriName.GetLength() > 0);
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(wsAttriName) == 0) {
-      m_Attributes[i] = wsAttriName;
-      m_Attributes[i + 1] = wsAttriValue;
-      return;
-    }
-  }
-  m_Attributes.push_back(wsAttriName);
-  m_Attributes.push_back(wsAttriValue);
-}
-
-int32_t CFDE_XMLInstruction::GetInteger(const wchar_t* pwsAttriName,
-                                        int32_t iDefValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      return FXSYS_wtoi(m_Attributes[i + 1].c_str());
-    }
-  }
-  return iDefValue;
-}
-
-void CFDE_XMLInstruction::SetInteger(const wchar_t* pwsAttriName,
-                                     int32_t iAttriValue) {
-  CFX_WideString wsValue;
-  wsValue.Format(L"%d", iAttriValue);
-  SetString(pwsAttriName, wsValue);
-}
-
-float CFDE_XMLInstruction::GetFloat(const wchar_t* pwsAttriName,
-                                    float fDefValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      return FXSYS_wcstof(m_Attributes[i + 1].c_str(), -1, nullptr);
-    }
-  }
-  return fDefValue;
-}
-
-void CFDE_XMLInstruction::SetFloat(const wchar_t* pwsAttriName,
-                                   float fAttriValue) {
-  CFX_WideString wsValue;
-  wsValue.Format(L"%f", fAttriValue);
-  SetString(pwsAttriName, wsValue);
-}
-
-void CFDE_XMLInstruction::RemoveAttribute(const wchar_t* pwsAttriName) {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      m_Attributes.erase(m_Attributes.begin() + i,
-                         m_Attributes.begin() + i + 2);
-      return;
-    }
-  }
-}
-
-int32_t CFDE_XMLInstruction::CountData() const {
-  return pdfium::CollectionSize<int32_t>(m_TargetData);
-}
-
-bool CFDE_XMLInstruction::GetData(int32_t index, CFX_WideString& wsData) const {
-  if (!pdfium::IndexInBounds(m_TargetData, index))
-    return false;
-
-  wsData = m_TargetData[index];
-  return true;
-}
-
-void CFDE_XMLInstruction::AppendData(const CFX_WideString& wsData) {
-  m_TargetData.push_back(wsData);
-}
-
-void CFDE_XMLInstruction::RemoveData(int32_t index) {
-  if (pdfium::IndexInBounds(m_TargetData, index))
-    m_TargetData.erase(m_TargetData.begin() + index);
-}
-
-CFDE_XMLInstruction::~CFDE_XMLInstruction() {}
-
-CFDE_XMLElement::CFDE_XMLElement(const CFX_WideString& wsTag)
-    : CFDE_XMLNode(), m_wsTag(wsTag), m_Attributes() {
-  ASSERT(m_wsTag.GetLength() > 0);
-}
-
-CFDE_XMLElement::~CFDE_XMLElement() {}
-
-FDE_XMLNODETYPE CFDE_XMLElement::GetType() const {
-  return FDE_XMLNODE_Element;
-}
-
-CFDE_XMLNode* CFDE_XMLElement::Clone(bool bRecursive) {
-  CFDE_XMLElement* pClone = new CFDE_XMLElement(m_wsTag);
-  if (!pClone)
-    return nullptr;
-
-  pClone->m_Attributes = m_Attributes;
-  if (bRecursive) {
-    CloneChildren(pClone);
-  } else {
-    CFX_WideString wsText;
-    CFDE_XMLNode* pChild = m_pChild;
-    while (pChild) {
-      switch (pChild->GetType()) {
-        case FDE_XMLNODE_Text:
-          wsText += ((CFDE_XMLText*)pChild)->m_wsText;
-          break;
-        default:
-          break;
-      }
-      pChild = pChild->m_pNext;
-    }
-    pClone->SetTextData(wsText);
-  }
-  return pClone;
-}
-
-void CFDE_XMLElement::GetTagName(CFX_WideString& wsTag) const {
-  wsTag = m_wsTag;
-}
-
-void CFDE_XMLElement::GetLocalTagName(CFX_WideString& wsTag) const {
-  FX_STRSIZE iFind = m_wsTag.Find(L':', 0);
-  if (iFind < 0) {
-    wsTag = m_wsTag;
-  } else {
-    wsTag = m_wsTag.Right(m_wsTag.GetLength() - iFind - 1);
-  }
-}
-
-void CFDE_XMLElement::GetNamespacePrefix(CFX_WideString& wsPrefix) const {
-  FX_STRSIZE iFind = m_wsTag.Find(L':', 0);
-  if (iFind < 0) {
-    wsPrefix.clear();
-  } else {
-    wsPrefix = m_wsTag.Left(iFind);
-  }
-}
-
-void CFDE_XMLElement::GetNamespaceURI(CFX_WideString& wsNamespace) const {
-  CFX_WideString wsAttri(L"xmlns"), wsPrefix;
-  GetNamespacePrefix(wsPrefix);
-  if (wsPrefix.GetLength() > 0) {
-    wsAttri += L":";
-    wsAttri += wsPrefix;
-  }
-  wsNamespace.clear();
-  CFDE_XMLNode* pNode = (CFDE_XMLNode*)this;
-  while (pNode) {
-    if (pNode->GetType() != FDE_XMLNODE_Element) {
-      break;
-    }
-    CFDE_XMLElement* pElement = (CFDE_XMLElement*)pNode;
-    if (!pElement->HasAttribute(wsAttri.c_str())) {
-      pNode = pNode->GetNodeItem(CFDE_XMLNode::Parent);
-      continue;
-    }
-    pElement->GetString(wsAttri.c_str(), wsNamespace);
-    break;
-  }
-}
-
-int32_t CFDE_XMLElement::CountAttributes() const {
-  return pdfium::CollectionSize<int32_t>(m_Attributes) / 2;
-}
-
-bool CFDE_XMLElement::GetAttribute(int32_t index,
-                                   CFX_WideString& wsAttriName,
-                                   CFX_WideString& wsAttriValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  ASSERT(index > -1 && index < iCount / 2);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (index == 0) {
-      wsAttriName = m_Attributes[i];
-      wsAttriValue = m_Attributes[i + 1];
-      return true;
-    }
-    index--;
-  }
-  return false;
-}
-
-bool CFDE_XMLElement::HasAttribute(const wchar_t* pwsAttriName) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0)
-      return true;
-  }
-  return false;
-}
-
-void CFDE_XMLElement::GetString(const wchar_t* pwsAttriName,
-                                CFX_WideString& wsAttriValue,
-                                const wchar_t* pwsDefValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      wsAttriValue = m_Attributes[i + 1];
-      return;
-    }
-  }
-  wsAttriValue = pwsDefValue;
-}
-
-void CFDE_XMLElement::SetString(const CFX_WideString& wsAttriName,
-                                const CFX_WideString& wsAttriValue) {
-  ASSERT(wsAttriName.GetLength() > 0);
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(wsAttriName) == 0) {
-      m_Attributes[i] = wsAttriName;
-      m_Attributes[i + 1] = wsAttriValue;
-      return;
-    }
-  }
-  m_Attributes.push_back(wsAttriName);
-  m_Attributes.push_back(wsAttriValue);
-}
-
-int32_t CFDE_XMLElement::GetInteger(const wchar_t* pwsAttriName,
-                                    int32_t iDefValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      return FXSYS_wtoi(m_Attributes[i + 1].c_str());
-    }
-  }
-  return iDefValue;
-}
-
-void CFDE_XMLElement::SetInteger(const wchar_t* pwsAttriName,
-                                 int32_t iAttriValue) {
-  CFX_WideString wsValue;
-  wsValue.Format(L"%d", iAttriValue);
-  SetString(pwsAttriName, wsValue);
-}
-
-float CFDE_XMLElement::GetFloat(const wchar_t* pwsAttriName,
-                                float fDefValue) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      return FXSYS_wcstof(m_Attributes[i + 1].c_str(), -1, nullptr);
-    }
-  }
-  return fDefValue;
-}
-
-void CFDE_XMLElement::SetFloat(const wchar_t* pwsAttriName, float fAttriValue) {
-  CFX_WideString wsValue;
-  wsValue.Format(L"%f", fAttriValue);
-  SetString(pwsAttriName, wsValue);
-}
-
-void CFDE_XMLElement::RemoveAttribute(const wchar_t* pwsAttriName) {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
-  for (int32_t i = 0; i < iCount; i += 2) {
-    if (m_Attributes[i].Compare(pwsAttriName) == 0) {
-      m_Attributes.erase(m_Attributes.begin() + i,
-                         m_Attributes.begin() + i + 2);
-      return;
-    }
-  }
-}
-
-void CFDE_XMLElement::GetTextData(CFX_WideString& wsText) const {
-  CFX_WideTextBuf buffer;
-  CFDE_XMLNode* pChild = m_pChild;
-  while (pChild) {
-    switch (pChild->GetType()) {
-      case FDE_XMLNODE_Text:
-        buffer << ((CFDE_XMLText*)pChild)->m_wsText;
-        break;
-      case FDE_XMLNODE_CharData:
-        buffer << ((CFDE_XMLCharData*)pChild)->m_wsCharData;
-        break;
-      default:
-        break;
-    }
-    pChild = pChild->m_pNext;
-  }
-  wsText = buffer.AsStringC();
-}
-
-void CFDE_XMLElement::SetTextData(const CFX_WideString& wsText) {
-  if (wsText.GetLength() < 1) {
-    return;
-  }
-  InsertChildNode(new CFDE_XMLText(wsText));
-}
-
-CFDE_XMLText::CFDE_XMLText(const CFX_WideString& wsText)
-    : CFDE_XMLNode(), m_wsText(wsText) {}
-
-FDE_XMLNODETYPE CFDE_XMLText::GetType() const {
-  return FDE_XMLNODE_Text;
-}
-
-CFDE_XMLNode* CFDE_XMLText::Clone(bool bRecursive) {
-  CFDE_XMLText* pClone = new CFDE_XMLText(m_wsText);
-  return pClone;
-}
-
-CFDE_XMLText::~CFDE_XMLText() {}
-
-CFDE_XMLCharData::CFDE_XMLCharData(const CFX_WideString& wsCData)
-    : CFDE_XMLDeclaration(), m_wsCharData(wsCData) {}
-
-FDE_XMLNODETYPE CFDE_XMLCharData::GetType() const {
-  return FDE_XMLNODE_CharData;
-}
-
-CFDE_XMLNode* CFDE_XMLCharData::Clone(bool bRecursive) {
-  CFDE_XMLCharData* pClone = new CFDE_XMLCharData(m_wsCharData);
-  return pClone;
-}
-
-CFDE_XMLCharData::~CFDE_XMLCharData() {}
-
-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"&amp;");
-          wsValue.Replace(L"<", L"&lt;");
-          wsValue.Replace(L">", L"&gt;");
-          wsValue.Replace(L"\'", L"&apos;");
-          wsValue.Replace(L"\"", L"&quot;");
-          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"&amp;");
-        wsValue.Replace(L"<", L"&lt;");
-        wsValue.Replace(L">", L"&gt;");
-        wsValue.Replace(L"\'", L"&apos;");
-        wsValue.Replace(L"\"", L"&quot;");
-        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 = ((CFDE_XMLText*)pNode)->m_wsText;
-      ws.Replace(L"&", L"&amp;");
-      ws.Replace(L"<", L"&lt;");
-      ws.Replace(L">", L"&gt;");
-      ws.Replace(L"\'", L"&apos;");
-      ws.Replace(L"\"", L"&quot;");
-      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
-    } break;
-    case FDE_XMLNODE_CharData: {
-      CFX_WideString ws = L"<![CDATA[";
-      ws += ((CFDE_XMLCharData*)pNode)->m_wsCharData;
-      ws += L"]]>";
-      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
-    } break;
-    case FDE_XMLNODE_Unknown:
-      break;
-    default:
-      break;
-  }
-}
-
-CFDE_BlockBuffer::CFDE_BlockBuffer(int32_t iAllocStep)
-    : m_iDataLength(0),
-      m_iBufferSize(0),
-      m_iAllocStep(iAllocStep),
-      m_iStartPosition(0) {}
-
-CFDE_BlockBuffer::~CFDE_BlockBuffer() {
-  ClearBuffer();
-}
-
-wchar_t* CFDE_BlockBuffer::GetAvailableBlock(int32_t& iIndexInBlock) {
-  iIndexInBlock = 0;
-  if (m_BlockArray.empty())
-    return nullptr;
-
-  int32_t iRealIndex = m_iStartPosition + m_iDataLength;
-  if (iRealIndex == m_iBufferSize) {
-    m_BlockArray.emplace_back(FX_Alloc(wchar_t, m_iAllocStep));
-    m_iBufferSize += m_iAllocStep;
-    return m_BlockArray.back().get();
-  }
-  iIndexInBlock = iRealIndex % m_iAllocStep;
-  return m_BlockArray[iRealIndex / m_iAllocStep].get();
-}
-
-bool CFDE_BlockBuffer::InitBuffer(int32_t iBufferSize) {
-  ClearBuffer();
-  int32_t iNumOfBlock = (iBufferSize - 1) / m_iAllocStep + 1;
-  for (int32_t i = 0; i < iNumOfBlock; i++)
-    m_BlockArray.emplace_back(FX_Alloc(wchar_t, m_iAllocStep));
-
-  m_iBufferSize = iNumOfBlock * m_iAllocStep;
-  return true;
-}
-
-void CFDE_BlockBuffer::SetTextChar(int32_t iIndex, wchar_t ch) {
-  if (iIndex < 0) {
-    return;
-  }
-  int32_t iRealIndex = m_iStartPosition + iIndex;
-  int32_t iBlockIndex = iRealIndex / m_iAllocStep;
-  int32_t iInnerIndex = iRealIndex % m_iAllocStep;
-  int32_t iBlockSize = pdfium::CollectionSize<int32_t>(m_BlockArray);
-  if (iBlockIndex >= iBlockSize) {
-    int32_t iNewBlocks = iBlockIndex - iBlockSize + 1;
-    do {
-      m_BlockArray.emplace_back(FX_Alloc(wchar_t, m_iAllocStep));
-      m_iBufferSize += m_iAllocStep;
-    } while (--iNewBlocks);
-  }
-  wchar_t* pTextData = m_BlockArray[iBlockIndex].get();
-  pTextData[iInnerIndex] = ch;
-  m_iDataLength = std::max(m_iDataLength, iIndex + 1);
-}
-
-int32_t CFDE_BlockBuffer::DeleteTextChars(int32_t iCount, bool bDirection) {
-  if (iCount <= 0)
-    return m_iDataLength;
-
-  if (iCount >= m_iDataLength) {
-    Reset(false);
-    return 0;
-  }
-  if (bDirection) {
-    m_iStartPosition += iCount;
-    m_iDataLength -= iCount;
-  } else {
-    m_iDataLength -= iCount;
-  }
-  return m_iDataLength;
-}
-
-void CFDE_BlockBuffer::GetTextData(CFX_WideString& wsTextData,
-                                   int32_t iStart,
-                                   int32_t iLength) const {
-  wsTextData.clear();
-  int32_t iMaybeDataLength = m_iBufferSize - 1 - m_iStartPosition;
-  if (iStart < 0 || iStart > iMaybeDataLength) {
-    return;
-  }
-  if (iLength == -1 || iLength > iMaybeDataLength) {
-    iLength = iMaybeDataLength;
-  }
-  if (iLength <= 0) {
-    return;
-  }
-  wchar_t* pBuf = wsTextData.GetBuffer(iLength);
-  if (!pBuf) {
-    return;
-  }
-  int32_t iStartBlockIndex = 0;
-  int32_t iStartInnerIndex = 0;
-  TextDataIndex2BufIndex(iStart, iStartBlockIndex, iStartInnerIndex);
-  int32_t iEndBlockIndex = 0;
-  int32_t iEndInnerIndex = 0;
-  TextDataIndex2BufIndex(iStart + iLength, iEndBlockIndex, iEndInnerIndex);
-  int32_t iPointer = 0;
-  for (int32_t i = iStartBlockIndex; i <= iEndBlockIndex; i++) {
-    int32_t iBufferPointer = 0;
-    int32_t iCopyLength = m_iAllocStep;
-    if (i == iStartBlockIndex) {
-      iCopyLength -= iStartInnerIndex;
-      iBufferPointer = iStartInnerIndex;
-    }
-    if (i == iEndBlockIndex) {
-      iCopyLength -= ((m_iAllocStep - 1) - iEndInnerIndex);
-    }
-    wchar_t* pBlockBuf = m_BlockArray[i].get();
-    memcpy(pBuf + iPointer, pBlockBuf + iBufferPointer,
-           iCopyLength * sizeof(wchar_t));
-    iPointer += iCopyLength;
-  }
-  wsTextData.ReleaseBuffer(iLength);
-}
-
-void CFDE_BlockBuffer::TextDataIndex2BufIndex(const int32_t iIndex,
-                                              int32_t& iBlockIndex,
-                                              int32_t& iInnerIndex) const {
-  ASSERT(iIndex >= 0);
-  int32_t iRealIndex = m_iStartPosition + iIndex;
-  iBlockIndex = iRealIndex / m_iAllocStep;
-  iInnerIndex = iRealIndex % m_iAllocStep;
-}
-
-void CFDE_BlockBuffer::ClearBuffer() {
-  m_iBufferSize = 0;
-  m_BlockArray.clear();
-}
-
-CFDE_XMLSyntaxParser::CFDE_XMLSyntaxParser()
-    : m_pStream(nullptr),
-      m_iXMLPlaneSize(-1),
-      m_iCurrentPos(0),
-      m_iCurrentNodeNum(-1),
-      m_iLastNodeNum(-1),
-      m_iParsedChars(0),
-      m_iParsedBytes(0),
-      m_pBuffer(nullptr),
-      m_iBufferChars(0),
-      m_bEOS(false),
-      m_pStart(nullptr),
-      m_pEnd(nullptr),
-      m_iAllocStep(m_BlockBuffer.GetAllocStep()),
-      m_iDataLength(m_BlockBuffer.GetDataLengthRef()),
-      m_pCurrentBlock(nullptr),
-      m_iIndexInBlock(0),
-      m_iTextDataLength(0),
-      m_syntaxParserResult(FDE_XmlSyntaxResult::None),
-      m_syntaxParserState(FDE_XmlSyntaxState::Text),
-      m_wQuotationMark(0),
-      m_iEntityStart(-1) {
-  m_CurNode.iNodeNum = -1;
-  m_CurNode.eNodeType = FDE_XMLNODE_Unknown;
-}
-
-void CFDE_XMLSyntaxParser::Init(const CFX_RetainPtr<IFGAS_Stream>& pStream,
-                                int32_t iXMLPlaneSize,
-                                int32_t iTextDataSize) {
-  ASSERT(!m_pStream && !m_pBuffer);
-  ASSERT(pStream && iXMLPlaneSize > 0);
-  int32_t iStreamLength = pStream->GetLength();
-  ASSERT(iStreamLength > 0);
-  m_pStream = pStream;
-  m_iXMLPlaneSize = std::min(iXMLPlaneSize, iStreamLength);
-  uint8_t bom[4];
-  m_iCurrentPos = m_pStream->GetBOM(bom);
-  ASSERT(!m_pBuffer);
-
-  FX_SAFE_INT32 alloc_size_safe = m_iXMLPlaneSize;
-  alloc_size_safe += 1;  // For NUL.
-  if (!alloc_size_safe.IsValid() || alloc_size_safe.ValueOrDie() <= 0) {
-    m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-    return;
-  }
-
-  m_pBuffer = FX_Alloc(
-      wchar_t, pdfium::base::ValueOrDieForType<size_t>(alloc_size_safe));
-  m_pStart = m_pEnd = m_pBuffer;
-  ASSERT(!m_BlockBuffer.IsInitialized());
-  m_BlockBuffer.InitBuffer();
-  m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-  m_iParsedBytes = m_iParsedChars = 0;
-  m_iBufferChars = 0;
-}
-
-FDE_XmlSyntaxResult CFDE_XMLSyntaxParser::DoSyntaxParse() {
-  if (m_syntaxParserResult == FDE_XmlSyntaxResult::Error ||
-      m_syntaxParserResult == FDE_XmlSyntaxResult::EndOfString) {
-    return m_syntaxParserResult;
-  }
-  ASSERT(m_pStream && m_pBuffer && m_BlockBuffer.IsInitialized());
-  int32_t iStreamLength = m_pStream->GetLength();
-  int32_t iPos;
-
-  FDE_XmlSyntaxResult syntaxParserResult = FDE_XmlSyntaxResult::None;
-  while (true) {
-    if (m_pStart >= m_pEnd) {
-      if (m_bEOS || m_iCurrentPos >= iStreamLength) {
-        m_syntaxParserResult = FDE_XmlSyntaxResult::EndOfString;
-        return m_syntaxParserResult;
-      }
-      m_iParsedChars += (m_pEnd - m_pBuffer);
-      m_iParsedBytes = m_iCurrentPos;
-      if (m_pStream->GetPosition() != m_iCurrentPos) {
-        m_pStream->Seek(FX_STREAMSEEK_Begin, m_iCurrentPos);
-      }
-      m_iBufferChars =
-          m_pStream->ReadString(m_pBuffer, m_iXMLPlaneSize, m_bEOS);
-      iPos = m_pStream->GetPosition();
-      if (m_iBufferChars < 1) {
-        m_iCurrentPos = iStreamLength;
-        m_syntaxParserResult = FDE_XmlSyntaxResult::EndOfString;
-        return m_syntaxParserResult;
-      }
-      m_iCurrentPos = iPos;
-      m_pStart = m_pBuffer;
-      m_pEnd = m_pBuffer + m_iBufferChars;
-    }
-
-    while (m_pStart < m_pEnd) {
-      wchar_t ch = *m_pStart;
-      switch (m_syntaxParserState) {
-        case FDE_XmlSyntaxState::Text:
-          if (ch == L'<') {
-            if (m_iDataLength > 0) {
-              m_iTextDataLength = m_iDataLength;
-              m_BlockBuffer.Reset();
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              m_iEntityStart = -1;
-              syntaxParserResult = FDE_XmlSyntaxResult::Text;
-            } else {
-              m_pStart++;
-              m_syntaxParserState = FDE_XmlSyntaxState::Node;
-            }
-          } else {
-            ParseTextChar(ch);
-          }
-          break;
-        case FDE_XmlSyntaxState::Node:
-          if (ch == L'!') {
-            m_pStart++;
-            m_syntaxParserState = FDE_XmlSyntaxState::SkipCommentOrDecl;
-          } else if (ch == L'/') {
-            m_pStart++;
-            m_syntaxParserState = FDE_XmlSyntaxState::CloseElement;
-          } else if (ch == L'?') {
-            m_iLastNodeNum++;
-            m_iCurrentNodeNum = m_iLastNodeNum;
-            m_CurNode.iNodeNum = m_iLastNodeNum;
-            m_CurNode.eNodeType = FDE_XMLNODE_Instruction;
-            m_XMLNodeStack.push(m_CurNode);
-            m_pStart++;
-            m_syntaxParserState = FDE_XmlSyntaxState::Target;
-            syntaxParserResult = FDE_XmlSyntaxResult::InstructionOpen;
-          } else {
-            m_iLastNodeNum++;
-            m_iCurrentNodeNum = m_iLastNodeNum;
-            m_CurNode.iNodeNum = m_iLastNodeNum;
-            m_CurNode.eNodeType = FDE_XMLNODE_Element;
-            m_XMLNodeStack.push(m_CurNode);
-            m_syntaxParserState = FDE_XmlSyntaxState::Tag;
-            syntaxParserResult = FDE_XmlSyntaxResult::ElementOpen;
-          }
-          break;
-        case FDE_XmlSyntaxState::Target:
-        case FDE_XmlSyntaxState::Tag:
-          if (!FDE_IsXMLNameChar(ch, m_iDataLength < 1)) {
-            if (m_iDataLength < 1) {
-              m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-              return m_syntaxParserResult;
-            } else {
-              m_iTextDataLength = m_iDataLength;
-              m_BlockBuffer.Reset();
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (m_syntaxParserState != FDE_XmlSyntaxState::Target) {
-                syntaxParserResult = FDE_XmlSyntaxResult::TagName;
-              } else {
-                syntaxParserResult = FDE_XmlSyntaxResult::TargetName;
-              }
-              m_syntaxParserState = FDE_XmlSyntaxState::AttriName;
-            }
-          } else {
-            if (m_iIndexInBlock == m_iAllocStep) {
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (!m_pCurrentBlock) {
-                return FDE_XmlSyntaxResult::Error;
-              }
-            }
-            m_pCurrentBlock[m_iIndexInBlock++] = ch;
-            m_iDataLength++;
-            m_pStart++;
-          }
-          break;
-        case FDE_XmlSyntaxState::AttriName:
-          if (m_iDataLength < 1 && FDE_IsXMLWhiteSpace(ch)) {
-            m_pStart++;
-            break;
-          }
-          if (!FDE_IsXMLNameChar(ch, m_iDataLength < 1)) {
-            if (m_iDataLength < 1) {
-              if (m_CurNode.eNodeType == FDE_XMLNODE_Element) {
-                if (ch == L'>' || ch == L'/') {
-                  m_syntaxParserState = FDE_XmlSyntaxState::BreakElement;
-                  break;
-                }
-              } else if (m_CurNode.eNodeType == FDE_XMLNODE_Instruction) {
-                if (ch == L'?') {
-                  m_syntaxParserState = FDE_XmlSyntaxState::CloseInstruction;
-                  m_pStart++;
-                } else {
-                  m_syntaxParserState = FDE_XmlSyntaxState::TargetData;
-                }
-                break;
-              }
-              m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-              return m_syntaxParserResult;
-            } else {
-              if (m_CurNode.eNodeType == FDE_XMLNODE_Instruction) {
-                if (ch != '=' && !FDE_IsXMLWhiteSpace(ch)) {
-                  m_syntaxParserState = FDE_XmlSyntaxState::TargetData;
-                  break;
-                }
-              }
-              m_iTextDataLength = m_iDataLength;
-              m_BlockBuffer.Reset();
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              m_syntaxParserState = FDE_XmlSyntaxState::AttriEqualSign;
-              syntaxParserResult = FDE_XmlSyntaxResult::AttriName;
-            }
-          } else {
-            if (m_iIndexInBlock == m_iAllocStep) {
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (!m_pCurrentBlock) {
-                return FDE_XmlSyntaxResult::Error;
-              }
-            }
-            m_pCurrentBlock[m_iIndexInBlock++] = ch;
-            m_iDataLength++;
-            m_pStart++;
-          }
-          break;
-        case FDE_XmlSyntaxState::AttriEqualSign:
-          if (FDE_IsXMLWhiteSpace(ch)) {
-            m_pStart++;
-            break;
-          }
-          if (ch != L'=') {
-            if (m_CurNode.eNodeType == FDE_XMLNODE_Instruction) {
-              m_syntaxParserState = FDE_XmlSyntaxState::TargetData;
-              break;
-            }
-            m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-            return m_syntaxParserResult;
-          } else {
-            m_syntaxParserState = FDE_XmlSyntaxState::AttriQuotation;
-            m_pStart++;
-          }
-          break;
-        case FDE_XmlSyntaxState::AttriQuotation:
-          if (FDE_IsXMLWhiteSpace(ch)) {
-            m_pStart++;
-            break;
-          }
-          if (ch != L'\"' && ch != L'\'') {
-            m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-            return m_syntaxParserResult;
-          } else {
-            m_wQuotationMark = ch;
-            m_syntaxParserState = FDE_XmlSyntaxState::AttriValue;
-            m_pStart++;
-          }
-          break;
-        case FDE_XmlSyntaxState::AttriValue:
-          if (ch == m_wQuotationMark) {
-            if (m_iEntityStart > -1) {
-              m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-              return m_syntaxParserResult;
-            }
-            m_iTextDataLength = m_iDataLength;
-            m_wQuotationMark = 0;
-            m_BlockBuffer.Reset();
-            m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-            m_pStart++;
-            m_syntaxParserState = FDE_XmlSyntaxState::AttriName;
-            syntaxParserResult = FDE_XmlSyntaxResult::AttriValue;
-          } else {
-            ParseTextChar(ch);
-          }
-          break;
-        case FDE_XmlSyntaxState::CloseInstruction:
-          if (ch != L'>') {
-            if (m_iIndexInBlock == m_iAllocStep) {
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (!m_pCurrentBlock) {
-                return FDE_XmlSyntaxResult::Error;
-              }
-            }
-            m_pCurrentBlock[m_iIndexInBlock++] = ch;
-            m_iDataLength++;
-            m_syntaxParserState = FDE_XmlSyntaxState::TargetData;
-          } else if (m_iDataLength > 0) {
-            m_iTextDataLength = m_iDataLength;
-            m_BlockBuffer.Reset();
-            m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-            syntaxParserResult = FDE_XmlSyntaxResult::TargetData;
-          } else {
-            m_pStart++;
-            if (m_XMLNodeStack.empty()) {
-              m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-              return m_syntaxParserResult;
-            }
-            m_XMLNodeStack.pop();
-            if (!m_XMLNodeStack.empty()) {
-              m_CurNode = m_XMLNodeStack.top();
-            } else {
-              m_CurNode.iNodeNum = -1;
-              m_CurNode.eNodeType = FDE_XMLNODE_Unknown;
-            }
-            m_iCurrentNodeNum = m_CurNode.iNodeNum;
-            m_BlockBuffer.Reset();
-            m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-            m_syntaxParserState = FDE_XmlSyntaxState::Text;
-            syntaxParserResult = FDE_XmlSyntaxResult::InstructionClose;
-          }
-          break;
-        case FDE_XmlSyntaxState::BreakElement:
-          if (ch == L'>') {
-            m_syntaxParserState = FDE_XmlSyntaxState::Text;
-            syntaxParserResult = FDE_XmlSyntaxResult::ElementBreak;
-          } else if (ch == L'/') {
-            m_syntaxParserState = FDE_XmlSyntaxState::CloseElement;
-          } else {
-            m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-            return m_syntaxParserResult;
-          }
-          m_pStart++;
-          break;
-        case FDE_XmlSyntaxState::CloseElement:
-          if (!FDE_IsXMLNameChar(ch, m_iDataLength < 1)) {
-            if (ch == L'>') {
-              if (m_XMLNodeStack.empty()) {
-                m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-                return m_syntaxParserResult;
-              }
-              m_XMLNodeStack.pop();
-              if (!m_XMLNodeStack.empty()) {
-                m_CurNode = m_XMLNodeStack.top();
-              } else {
-                m_CurNode.iNodeNum = -1;
-                m_CurNode.eNodeType = FDE_XMLNODE_Unknown;
-              }
-              m_iCurrentNodeNum = m_CurNode.iNodeNum;
-              m_iTextDataLength = m_iDataLength;
-              m_BlockBuffer.Reset();
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              m_syntaxParserState = FDE_XmlSyntaxState::Text;
-              syntaxParserResult = FDE_XmlSyntaxResult::ElementClose;
-            } else if (!FDE_IsXMLWhiteSpace(ch)) {
-              m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-              return m_syntaxParserResult;
-            }
-          } else {
-            if (m_iIndexInBlock == m_iAllocStep) {
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (!m_pCurrentBlock) {
-                return FDE_XmlSyntaxResult::Error;
-              }
-            }
-            m_pCurrentBlock[m_iIndexInBlock++] = ch;
-            m_iDataLength++;
-          }
-          m_pStart++;
-          break;
-        case FDE_XmlSyntaxState::SkipCommentOrDecl:
-          if (FXSYS_wcsnicmp(m_pStart, L"--", 2) == 0) {
-            m_pStart += 2;
-            m_syntaxParserState = FDE_XmlSyntaxState::SkipComment;
-          } else if (FXSYS_wcsnicmp(m_pStart, L"[CDATA[", 7) == 0) {
-            m_pStart += 7;
-            m_syntaxParserState = FDE_XmlSyntaxState::SkipCData;
-          } else {
-            m_syntaxParserState = FDE_XmlSyntaxState::SkipDeclNode;
-            m_SkipChar = L'>';
-            m_SkipStack.push(L'>');
-          }
-          break;
-        case FDE_XmlSyntaxState::SkipCData: {
-          if (FXSYS_wcsnicmp(m_pStart, L"]]>", 3) == 0) {
-            m_pStart += 3;
-            syntaxParserResult = FDE_XmlSyntaxResult::CData;
-            m_iTextDataLength = m_iDataLength;
-            m_BlockBuffer.Reset();
-            m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-            m_syntaxParserState = FDE_XmlSyntaxState::Text;
-          } else {
-            if (m_iIndexInBlock == m_iAllocStep) {
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (!m_pCurrentBlock)
-                return FDE_XmlSyntaxResult::Error;
-            }
-            m_pCurrentBlock[m_iIndexInBlock++] = ch;
-            m_iDataLength++;
-            m_pStart++;
-          }
-          break;
-        }
-        case FDE_XmlSyntaxState::SkipDeclNode:
-          if (m_SkipChar == L'\'' || m_SkipChar == L'\"') {
-            m_pStart++;
-            if (ch != m_SkipChar)
-              break;
-
-            m_SkipStack.pop();
-            if (m_SkipStack.empty())
-              m_syntaxParserState = FDE_XmlSyntaxState::Text;
-            else
-              m_SkipChar = m_SkipStack.top();
-          } else {
-            switch (ch) {
-              case L'<':
-                m_SkipChar = L'>';
-                m_SkipStack.push(L'>');
-                break;
-              case L'[':
-                m_SkipChar = L']';
-                m_SkipStack.push(L']');
-                break;
-              case L'(':
-                m_SkipChar = L')';
-                m_SkipStack.push(L')');
-                break;
-              case L'\'':
-                m_SkipChar = L'\'';
-                m_SkipStack.push(L'\'');
-                break;
-              case L'\"':
-                m_SkipChar = L'\"';
-                m_SkipStack.push(L'\"');
-                break;
-              default:
-                if (ch == m_SkipChar) {
-                  m_SkipStack.pop();
-                  if (m_SkipStack.empty()) {
-                    if (m_iDataLength >= 9) {
-                      CFX_WideString wsHeader;
-                      m_BlockBuffer.GetTextData(wsHeader, 0, 7);
-                    }
-                    m_iTextDataLength = m_iDataLength;
-                    m_BlockBuffer.Reset();
-                    m_pCurrentBlock =
-                        m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-                    m_syntaxParserState = FDE_XmlSyntaxState::Text;
-                  } else {
-                    m_SkipChar = m_SkipStack.top();
-                  }
-                }
-                break;
-            }
-            if (!m_SkipStack.empty()) {
-              if (m_iIndexInBlock == m_iAllocStep) {
-                m_pCurrentBlock =
-                    m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-                if (!m_pCurrentBlock) {
-                  return FDE_XmlSyntaxResult::Error;
-                }
-              }
-              m_pCurrentBlock[m_iIndexInBlock++] = ch;
-              m_iDataLength++;
-            }
-            m_pStart++;
-          }
-          break;
-        case FDE_XmlSyntaxState::SkipComment:
-          if (FXSYS_wcsnicmp(m_pStart, L"-->", 3) == 0) {
-            m_pStart += 2;
-            m_syntaxParserState = FDE_XmlSyntaxState::Text;
-          }
-
-          m_pStart++;
-          break;
-        case FDE_XmlSyntaxState::TargetData:
-          if (FDE_IsXMLWhiteSpace(ch)) {
-            if (m_iDataLength < 1) {
-              m_pStart++;
-              break;
-            } else if (m_wQuotationMark == 0) {
-              m_iTextDataLength = m_iDataLength;
-              m_wQuotationMark = 0;
-              m_BlockBuffer.Reset();
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              m_pStart++;
-              syntaxParserResult = FDE_XmlSyntaxResult::TargetData;
-              break;
-            }
-          }
-          if (ch == '?') {
-            m_syntaxParserState = FDE_XmlSyntaxState::CloseInstruction;
-            m_pStart++;
-          } else if (ch == '\"') {
-            if (m_wQuotationMark == 0) {
-              m_wQuotationMark = ch;
-              m_pStart++;
-            } else if (ch == m_wQuotationMark) {
-              m_iTextDataLength = m_iDataLength;
-              m_wQuotationMark = 0;
-              m_BlockBuffer.Reset();
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              m_pStart++;
-              syntaxParserResult = FDE_XmlSyntaxResult::TargetData;
-            } else {
-              m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
-              return m_syntaxParserResult;
-            }
-          } else {
-            if (m_iIndexInBlock == m_iAllocStep) {
-              m_pCurrentBlock =
-                  m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-              if (!m_pCurrentBlock) {
-                return FDE_XmlSyntaxResult::Error;
-              }
-            }
-            m_pCurrentBlock[m_iIndexInBlock++] = ch;
-            m_iDataLength++;
-            m_pStart++;
-          }
-          break;
-        default:
-          break;
-      }
-      if (syntaxParserResult != FDE_XmlSyntaxResult::None)
-        return syntaxParserResult;
-    }
-  }
-  return FDE_XmlSyntaxResult::Text;
-}
-
-CFDE_XMLSyntaxParser::~CFDE_XMLSyntaxParser() {
-  m_pCurrentBlock = nullptr;
-  FX_Free(m_pBuffer);
-}
-
-int32_t CFDE_XMLSyntaxParser::GetStatus() const {
-  if (!m_pStream)
-    return -1;
-
-  int32_t iStreamLength = m_pStream->GetLength();
-  if (iStreamLength < 1)
-    return 100;
-
-  if (m_syntaxParserResult == FDE_XmlSyntaxResult::Error)
-    return -1;
-
-  if (m_syntaxParserResult == FDE_XmlSyntaxResult::EndOfString)
-    return 100;
-  return m_iParsedBytes * 100 / iStreamLength;
-}
-
-static int32_t FX_GetUTF8EncodeLength(const wchar_t* pSrc, int32_t iSrcLen) {
-  uint32_t unicode = 0;
-  int32_t iDstNum = 0;
-  while (iSrcLen-- > 0) {
-    unicode = *pSrc++;
-    int nbytes = 0;
-    if ((uint32_t)unicode < 0x80) {
-      nbytes = 1;
-    } else if ((uint32_t)unicode < 0x800) {
-      nbytes = 2;
-    } else if ((uint32_t)unicode < 0x10000) {
-      nbytes = 3;
-    } else if ((uint32_t)unicode < 0x200000) {
-      nbytes = 4;
-    } else if ((uint32_t)unicode < 0x4000000) {
-      nbytes = 5;
-    } else {
-      nbytes = 6;
-    }
-    iDstNum += nbytes;
-  }
-  return iDstNum;
-}
-
-FX_FILESIZE CFDE_XMLSyntaxParser::GetCurrentBinaryPos() const {
-  if (!m_pStream)
-    return 0;
-
-  int32_t nSrcLen = m_pStart - m_pBuffer;
-  int32_t nDstLen = FX_GetUTF8EncodeLength(m_pBuffer, nSrcLen);
-  return m_iParsedBytes + nDstLen;
-}
-
-void CFDE_XMLSyntaxParser::ParseTextChar(wchar_t character) {
-  if (m_iIndexInBlock == m_iAllocStep) {
-    m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-    if (!m_pCurrentBlock) {
-      return;
-    }
-  }
-  m_pCurrentBlock[m_iIndexInBlock++] = character;
-  m_iDataLength++;
-  if (m_iEntityStart > -1 && character == L';') {
-    CFX_WideString csEntity;
-    m_BlockBuffer.GetTextData(csEntity, m_iEntityStart + 1,
-                              (m_iDataLength - 1) - m_iEntityStart - 1);
-    int32_t iLen = csEntity.GetLength();
-    if (iLen > 0) {
-      if (csEntity[0] == L'#') {
-        uint32_t ch = 0;
-        wchar_t w;
-        if (iLen > 1 && csEntity[1] == L'x') {
-          for (int32_t i = 2; i < iLen; i++) {
-            w = csEntity[i];
-            if (w >= L'0' && w <= L'9') {
-              ch = (ch << 4) + w - L'0';
-            } else if (w >= L'A' && w <= L'F') {
-              ch = (ch << 4) + w - 55;
-            } else if (w >= L'a' && w <= L'f') {
-              ch = (ch << 4) + w - 87;
-            } else {
-              break;
-            }
-          }
-        } else {
-          for (int32_t i = 1; i < iLen; i++) {
-            w = csEntity[i];
-            if (w < L'0' || w > L'9')
-              break;
-            ch = ch * 10 + w - L'0';
-          }
-        }
-        if (ch > kMaxCharRange)
-          ch = ' ';
-
-        character = static_cast<wchar_t>(ch);
-        if (character != 0) {
-          m_BlockBuffer.SetTextChar(m_iEntityStart, character);
-          m_iEntityStart++;
-        }
-      } else {
-        if (csEntity.Compare(L"amp") == 0) {
-          m_BlockBuffer.SetTextChar(m_iEntityStart, L'&');
-          m_iEntityStart++;
-        } else if (csEntity.Compare(L"lt") == 0) {
-          m_BlockBuffer.SetTextChar(m_iEntityStart, L'<');
-          m_iEntityStart++;
-        } else if (csEntity.Compare(L"gt") == 0) {
-          m_BlockBuffer.SetTextChar(m_iEntityStart, L'>');
-          m_iEntityStart++;
-        } else if (csEntity.Compare(L"apos") == 0) {
-          m_BlockBuffer.SetTextChar(m_iEntityStart, L'\'');
-          m_iEntityStart++;
-        } else if (csEntity.Compare(L"quot") == 0) {
-          m_BlockBuffer.SetTextChar(m_iEntityStart, L'\"');
-          m_iEntityStart++;
-        }
-      }
-    }
-    m_BlockBuffer.DeleteTextChars(m_iDataLength - m_iEntityStart, false);
-    m_pCurrentBlock = m_BlockBuffer.GetAvailableBlock(m_iIndexInBlock);
-    m_iEntityStart = -1;
-  } else {
-    if (m_iEntityStart < 0 && character == L'&') {
-      m_iEntityStart = m_iDataLength - 1;
-    }
-  }
-  m_pStart++;
-}