Split xfa_textlayout apart.

This CL splits the xfa_texlayout.{cpp|h} files into individual class files.
Minor reformatting was done in the new clasess.

Change-Id: Id79ffcb8dca3fcf287a2e6dec78fd2b1f990a542
Reviewed-on: https://pdfium-review.googlesource.com/2162
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

35 files changed, 1656 insertions, 1325 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 221ff36243..627cc07d55 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1444,7 +1444,25 @@ if (pdf_enable_xfa) {
       "xfa/fxbarcode/qrcode/BC_QRCoderVersion.cpp",
       "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h",
       "xfa/fxbarcode/utils.h",
+      "xfa/fxfa/app/cxfa_csstagprovider.cpp",
+      "xfa/fxfa/app/cxfa_csstagprovider.h",
       "xfa/fxfa/app/cxfa_eventparam.cpp",
+      "xfa/fxfa/app/cxfa_linkuserdata.cpp",
+      "xfa/fxfa/app/cxfa_linkuserdata.h",
+      "xfa/fxfa/app/cxfa_loadercontext.cpp",
+      "xfa/fxfa/app/cxfa_loadercontext.h",
+      "xfa/fxfa/app/cxfa_pieceline.cpp",
+      "xfa/fxfa/app/cxfa_pieceline.h",
+      "xfa/fxfa/app/cxfa_textlayout.cpp",
+      "xfa/fxfa/app/cxfa_textlayout.h",
+      "xfa/fxfa/app/cxfa_textparsecontext.cpp",
+      "xfa/fxfa/app/cxfa_textparsecontext.h",
+      "xfa/fxfa/app/cxfa_textparser.cpp",
+      "xfa/fxfa/app/cxfa_textparser.h",
+      "xfa/fxfa/app/cxfa_texttabstopscontext.cpp",
+      "xfa/fxfa/app/cxfa_texttabstopscontext.h",
+      "xfa/fxfa/app/cxfa_textuserdata.cpp",
+      "xfa/fxfa/app/cxfa_textuserdata.h",
       "xfa/fxfa/app/xfa_checksum.cpp",
       "xfa/fxfa/app/xfa_ffapp.cpp",
       "xfa/fxfa/app/xfa_ffbarcode.cpp",
@@ -1491,8 +1509,8 @@ if (pdf_enable_xfa) {
       "xfa/fxfa/app/xfa_fwltheme.cpp",
       "xfa/fxfa/app/xfa_fwltheme.h",
       "xfa/fxfa/app/xfa_rendercontext.cpp",
-      "xfa/fxfa/app/xfa_textlayout.cpp",
-      "xfa/fxfa/app/xfa_textlayout.h",
+      "xfa/fxfa/app/xfa_textpiece.cpp",
+      "xfa/fxfa/app/xfa_textpiece.h",
       "xfa/fxfa/cxfa_eventparam.h",
       "xfa/fxfa/fm2js/xfa_error.cpp",
       "xfa/fxfa/fm2js/xfa_error.h",
@@ -1730,8 +1748,8 @@ test("pdfium_unittests") {
       "xfa/fde/css/fde_cssdatatable_unittest.cpp",
       "xfa/fde/xml/fde_xml_imp_unittest.cpp",
       "xfa/fxbarcode/pdf417/BC_PDF417HighLevelEncoder_unittest.cpp",
+      "xfa/fxfa/app/cxfa_textparser_unittest.cpp",
       "xfa/fxfa/app/xfa_ffapp_unittest.cpp",
-      "xfa/fxfa/app/xfa_textlayout_unittest.cpp",
       "xfa/fxfa/fm2js/xfa_simpleexpression_unittest.cpp",
       "xfa/fxfa/parser/xfa_utils_unittest.cpp",
     ]
diff --git a/xfa/fde/css/cfde_cssrulecollection.cpp b/xfa/fde/css/cfde_cssrulecollection.cpp
index 5a439724a0..8c22c9a99e 100644
--- a/xfa/fde/css/cfde_cssrulecollection.cpp
+++ b/xfa/fde/css/cfde_cssrulecollection.cpp
@@ -14,7 +14,6 @@
 #include "xfa/fde/css/fde_cssdeclaration.h"
 #include "xfa/fde/css/fde_cssstylesheet.h"
 #include "xfa/fde/css/fde_csssyntax.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 
 #define FDE_CSSUNIVERSALHASH ('*')
 
diff --git a/xfa/fde/css/fde_csscache.cpp b/xfa/fde/css/fde_csscache.cpp
index be5fc7105c..bf00fbbd46 100644
--- a/xfa/fde/css/fde_csscache.cpp
+++ b/xfa/fde/css/fde_csscache.cpp
@@ -9,7 +9,7 @@
 #include <algorithm>
 
 #include "core/fxcrt/fx_ext.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
+#include "xfa/fxfa/app/cxfa_csstagprovider.h"
 
 FDE_CSSCacheItem::FDE_CSSCacheItem(IFDE_CSSStyleSheet* p)
     : pStylesheet(p), dwActivity(0) {
diff --git a/xfa/fde/css/fde_cssstyleselector.cpp b/xfa/fde/css/fde_cssstyleselector.cpp
index 681d189fcc..ae928dbd12 100644
--- a/xfa/fde/css/fde_cssstyleselector.cpp
+++ b/xfa/fde/css/fde_cssstyleselector.cpp
@@ -15,7 +15,7 @@
 #include "xfa/fde/css/fde_cssdeclaration.h"
 #include "xfa/fde/css/fde_cssstylesheet.h"
 #include "xfa/fde/css/fde_csssyntax.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
+#include "xfa/fxfa/app/cxfa_csstagprovider.h"
 
 #define FDE_CSSUNIVERSALHASH ('*')
 
diff --git a/xfa/fxfa/app/cxfa_csstagprovider.cpp b/xfa/fxfa/app/cxfa_csstagprovider.cpp
new file mode 100644
index 0000000000..ef5133e104
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_csstagprovider.cpp
@@ -0,0 +1,12 @@
+// 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/fxfa/app/cxfa_csstagprovider.h"
+
+CXFA_CSSTagProvider::CXFA_CSSTagProvider()
+    : m_bTagAvailable(false), m_bContent(false) {}
+
+CXFA_CSSTagProvider::~CXFA_CSSTagProvider() {}
diff --git a/xfa/fxfa/app/cxfa_csstagprovider.h b/xfa/fxfa/app/cxfa_csstagprovider.h
new file mode 100644
index 0000000000..3c23784403
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_csstagprovider.h
@@ -0,0 +1,42 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_CSSTAGPROVIDER_H_
+#define XFA_FXFA_APP_CXFA_CSSTAGPROVIDER_H_
+
+#include <map>
+
+#include "core/fxcrt/fx_string.h"
+
+class CXFA_CSSTagProvider {
+ public:
+  using AttributeMap = std::map<CFX_WideString, CFX_WideString>;
+
+  CXFA_CSSTagProvider();
+  ~CXFA_CSSTagProvider();
+
+  CFX_WideString GetTagName() { return m_wsTagName; }
+
+  AttributeMap::iterator begin() { return m_Attributes.begin(); }
+  AttributeMap::iterator end() { return m_Attributes.end(); }
+
+  bool empty() const { return m_Attributes.empty(); }
+
+  void SetTagNameObj(const CFX_WideString& wsName) { m_wsTagName = wsName; }
+  void SetAttribute(const CFX_WideString& wsAttr,
+                    const CFX_WideString& wsValue) {
+    m_Attributes.insert({wsAttr, wsValue});
+  }
+
+  bool m_bTagAvailable;
+  bool m_bContent;
+
+ protected:
+  CFX_WideString m_wsTagName;
+  AttributeMap m_Attributes;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_CSSTAGPROVIDER_H_
diff --git a/xfa/fxfa/app/cxfa_linkuserdata.cpp b/xfa/fxfa/app/cxfa_linkuserdata.cpp
new file mode 100644
index 0000000000..62a2938d95
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_linkuserdata.cpp
@@ -0,0 +1,28 @@
+// 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/fxfa/app/cxfa_linkuserdata.h"
+
+CXFA_LinkUserData::CXFA_LinkUserData(IFX_MemoryAllocator* pAllocator,
+                                     FX_WCHAR* pszText)
+    : m_pAllocator(pAllocator), m_dwRefCount(1), m_wsURLContent(pszText) {}
+
+CXFA_LinkUserData::~CXFA_LinkUserData() {}
+
+uint32_t CXFA_LinkUserData::Retain() {
+  return ++m_dwRefCount;
+}
+
+uint32_t CXFA_LinkUserData::Release() {
+  uint32_t dwRefCount = --m_dwRefCount;
+  if (dwRefCount <= 0)
+    FXTARGET_DeleteWith(CXFA_LinkUserData, m_pAllocator, this);
+  return dwRefCount;
+}
+
+const FX_WCHAR* CXFA_LinkUserData::GetLinkURL() {
+  return m_wsURLContent.c_str();
+}
diff --git a/xfa/fxfa/app/cxfa_linkuserdata.h b/xfa/fxfa/app/cxfa_linkuserdata.h
new file mode 100644
index 0000000000..d5ec14e17e
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_linkuserdata.h
@@ -0,0 +1,34 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_LINKUSERDATA_H_
+#define XFA_FXFA_APP_CXFA_LINKUSERDATA_H_
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+#include "xfa/fgas/crt/fgas_memory.h"
+
+class IFX_MemoryAllocator;
+
+class CXFA_LinkUserData : public IFX_Retainable, public CFX_Target {
+ public:
+  CXFA_LinkUserData(IFX_MemoryAllocator* pAllocator, FX_WCHAR* pszText);
+  ~CXFA_LinkUserData() override;
+
+  // IFX_Retainable:
+  uint32_t Retain() override;
+  uint32_t Release() override;
+
+  const FX_WCHAR* GetLinkURL();
+
+ protected:
+  IFX_MemoryAllocator* m_pAllocator;
+  uint32_t m_dwRefCount;
+  CFX_WideString m_wsURLContent;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_LINKUSERDATA_H_
diff --git a/xfa/fxfa/app/cxfa_loadercontext.cpp b/xfa/fxfa/app/cxfa_loadercontext.cpp
new file mode 100644
index 0000000000..56ac71bfb4
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_loadercontext.cpp
@@ -0,0 +1,22 @@
+// 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/fxfa/app/cxfa_loadercontext.h"
+
+CXFA_LoaderContext::CXFA_LoaderContext()
+    : m_bSaveLineHeight(false),
+      m_fWidth(0),
+      m_fHeight(0),
+      m_fLastPos(0),
+      m_fStartLineOffset(0),
+      m_iChar(0),
+      m_iTotalLines(-1),
+      m_pXMLNode(nullptr),
+      m_pNode(nullptr),
+      m_pParentStyle(nullptr),
+      m_dwFlags(0) {}
+
+CXFA_LoaderContext::~CXFA_LoaderContext() {}
diff --git a/xfa/fxfa/app/cxfa_loadercontext.h b/xfa/fxfa/app/cxfa_loadercontext.h
new file mode 100644
index 0000000000..39d2adc74d
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_loadercontext.h
@@ -0,0 +1,40 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_LOADERCONTEXT_H_
+#define XFA_FXFA_APP_CXFA_LOADERCONTEXT_H_
+
+#include <vector>
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_system.h"
+
+class CFDE_XMLNode;
+class CXFA_Node;
+class IFDE_CSSComputedStyle;
+
+class CXFA_LoaderContext {
+ public:
+  CXFA_LoaderContext();
+  ~CXFA_LoaderContext();
+
+  bool m_bSaveLineHeight;
+  FX_FLOAT m_fWidth;
+  FX_FLOAT m_fHeight;
+  FX_FLOAT m_fLastPos;
+  FX_FLOAT m_fStartLineOffset;
+  int32_t m_iChar;
+  int32_t m_iLines;
+  int32_t m_iTotalLines;
+  CFDE_XMLNode* m_pXMLNode;
+  CXFA_Node* m_pNode;
+  IFDE_CSSComputedStyle* m_pParentStyle;
+  CFX_ArrayTemplate<FX_FLOAT> m_lineHeights;
+  uint32_t m_dwFlags;
+  std::vector<FX_FLOAT> m_BlocksHeight;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_LOADERCONTEXT_H_
diff --git a/xfa/fxfa/app/cxfa_pieceline.cpp b/xfa/fxfa/app/cxfa_pieceline.cpp
new file mode 100644
index 0000000000..465896fd18
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_pieceline.cpp
@@ -0,0 +1,11 @@
+// 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/fxfa/app/cxfa_pieceline.h"
+
+CXFA_PieceLine::CXFA_PieceLine() {}
+
+CXFA_PieceLine::~CXFA_PieceLine() {}
diff --git a/xfa/fxfa/app/cxfa_pieceline.h b/xfa/fxfa/app/cxfa_pieceline.h
new file mode 100644
index 0000000000..88642d38bc
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_pieceline.h
@@ -0,0 +1,24 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_PIECELINE_H_
+#define XFA_FXFA_APP_CXFA_PIECELINE_H_
+
+#include "core/fxcrt/fx_basic.h"
+#include "xfa/fgas/crt/fgas_memory.h"
+
+class XFA_TextPiece;
+
+class CXFA_PieceLine : public CFX_Target {
+ public:
+  CXFA_PieceLine();
+  ~CXFA_PieceLine() override;
+
+  CFX_ArrayTemplate<XFA_TextPiece*> m_textPieces;
+  CFX_ArrayTemplate<int32_t> m_charCounts;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_PIECELINE_H_
diff --git a/xfa/fxfa/app/xfa_textlayout.cpp b/xfa/fxfa/app/cxfa_textlayout.cpp
index 826fefcfbc..c4c2712386 100644
--- a/xfa/fxfa/app/xfa_textlayout.cpp
+++ b/xfa/fxfa/app/cxfa_textlayout.cpp
@@ -1,700 +1,32 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
+// 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/fxfa/app/xfa_textlayout.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
 
 #include <algorithm>
 
-#include "core/fxcrt/fx_ext.h"
 #include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
 #include "xfa/fde/cfde_path.h"
-#include "xfa/fde/css/fde_csscache.h"
-#include "xfa/fde/css/fde_cssstyleselector.h"
 #include "xfa/fde/fde_gedevice.h"
 #include "xfa/fde/fde_object.h"
 #include "xfa/fde/xml/fde_xml_imp.h"
-#include "xfa/fgas/crt/fgas_codepage.h"
+#include "xfa/fxfa/app/cxfa_linkuserdata.h"
+#include "xfa/fxfa/app/cxfa_loadercontext.h"
+#include "xfa/fxfa/app/cxfa_pieceline.h"
+#include "xfa/fxfa/app/cxfa_textparsecontext.h"
+#include "xfa/fxfa/app/cxfa_texttabstopscontext.h"
+#include "xfa/fxfa/app/cxfa_textuserdata.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
-#include "xfa/fxfa/parser/cxfa_measurement.h"
-#include "xfa/fxfa/xfa_ffapp.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_fontmgr.h"
+#include "xfa/fxfa/app/xfa_textpiece.h"
+#include "xfa/fxfa/parser/cxfa_font.h"
+#include "xfa/fxfa/parser/cxfa_para.h"
+#include "xfa/fxfa/parser/xfa_object.h"
 
-CXFA_CSSTagProvider::CXFA_CSSTagProvider()
-    : m_bTagAvailable(false), m_bContent(false) {}
-
-CXFA_CSSTagProvider::~CXFA_CSSTagProvider() {}
-
-XFA_TextPiece::XFA_TextPiece()
-    : pszText(nullptr), pFont(nullptr), pLinkData(nullptr) {}
-
-XFA_TextPiece::~XFA_TextPiece() {
-  if (pLinkData)
-    pLinkData->Release();
-}
-
-CXFA_TextParseContext::CXFA_TextParseContext()
-    : m_pParentStyle(nullptr),
-      m_ppMatchedDecls(nullptr),
-      m_dwMatchedDecls(0),
-      m_eDisplay(FDE_CSSDISPLAY_None) {}
-
-CXFA_TextParseContext::~CXFA_TextParseContext() {
-  if (m_pParentStyle)
-    m_pParentStyle->Release();
-  FX_Free(m_ppMatchedDecls);
-}
-
-void CXFA_TextParseContext::SetDecls(const CFDE_CSSDeclaration** ppDeclArray,
-                                     int32_t iDeclCount) {
-  if (iDeclCount <= 0 || !ppDeclArray)
-    return;
-
-  m_dwMatchedDecls = iDeclCount;
-  m_ppMatchedDecls = FX_Alloc(CFDE_CSSDeclaration*, iDeclCount);
-  FXSYS_memcpy(m_ppMatchedDecls, ppDeclArray,
-               iDeclCount * sizeof(CFDE_CSSDeclaration*));
-}
-
-CXFA_TextParser::CXFA_TextParser() : m_pUASheet(nullptr) {}
-
-CXFA_TextParser::~CXFA_TextParser() {
-  if (m_pUASheet)
-    m_pUASheet->Release();
-
-  for (auto& pair : m_mapXMLNodeToParseContext) {
-    if (pair.second) {
-      FXTARGET_DeleteWith(CXFA_TextParseContext, m_pAllocator.get(),
-                          pair.second);
-    }
-  }
-}
-
-void CXFA_TextParser::Reset() {
-  for (auto& pair : m_mapXMLNodeToParseContext) {
-    if (pair.second) {
-      FXTARGET_DeleteWith(CXFA_TextParseContext, m_pAllocator.get(),
-                          pair.second);
-    }
-  }
-  m_mapXMLNodeToParseContext.clear();
-  m_pAllocator.reset();
-}
-void CXFA_TextParser::InitCSSData(CXFA_TextProvider* pTextProvider) {
-  if (!pTextProvider)
-    return;
-
-  if (!m_pSelector) {
-    CXFA_FFDoc* pDoc = pTextProvider->GetDocNode();
-    CFGAS_FontMgr* pFontMgr = pDoc->GetApp()->GetFDEFontMgr();
-    ASSERT(pFontMgr);
-    m_pSelector = pdfium::MakeUnique<CFDE_CSSStyleSelector>(pFontMgr);
-    FX_FLOAT fFontSize = 10;
-    CXFA_Font font = pTextProvider->GetFontNode();
-    if (font) {
-      fFontSize = font.GetFontSize();
-    }
-    m_pSelector->SetDefFontSize(fFontSize);
-  }
-  if (!m_pUASheet) {
-    m_pUASheet = LoadDefaultSheetStyle();
-    m_pSelector->SetStyleSheet(FDE_CSSSTYLESHEETGROUP_UserAgent, m_pUASheet);
-    m_pSelector->UpdateStyleIndex(FDE_CSSMEDIATYPE_ALL);
-  }
-}
-
-CXFA_LoaderContext::CXFA_LoaderContext()
-    : m_bSaveLineHeight(false),
-      m_fWidth(0),
-      m_fHeight(0),
-      m_fLastPos(0),
-      m_fStartLineOffset(0),
-      m_iChar(0),
-      m_iTotalLines(-1),
-      m_pXMLNode(nullptr),
-      m_pNode(nullptr),
-      m_pParentStyle(nullptr),
-      m_dwFlags(0) {}
-
-CXFA_LoaderContext::~CXFA_LoaderContext() {}
-
-IFDE_CSSStyleSheet* CXFA_TextParser::LoadDefaultSheetStyle() {
-  static const FX_WCHAR s_pStyle[] =
-      L"html,body,ol,p,ul{display:block}"
-      L"li{display:list-item}"
-      L"ol,ul{padding-left:33px}ol{list-style-type:decimal}ol,ul{margin-top:0;"
-      L"margin-bottom:0}ul,ol{margin:1.12em 0}"
-      L"a{color:#0000ff;text-decoration:underline}b{font-weight:bolder}i{font-"
-      L"style:italic}"
-      L"sup{vertical-align:+15em;font-size:.66em}sub{vertical-align:-15em;font-"
-      L"size:.66em}";
-  return IFDE_CSSStyleSheet::LoadFromBuffer(
-      CFX_WideString(), s_pStyle, FXSYS_wcslen(s_pStyle), FX_CODEPAGE_UTF8);
-}
-IFDE_CSSComputedStyle* CXFA_TextParser::CreateRootStyle(
-    CXFA_TextProvider* pTextProvider) {
-  CXFA_Font font = pTextProvider->GetFontNode();
-  CXFA_Para para = pTextProvider->GetParaNode();
-  IFDE_CSSComputedStyle* pStyle = m_pSelector->CreateComputedStyle(nullptr);
-  IFDE_CSSFontStyle* pFontStyle = pStyle->GetFontStyles();
-  IFDE_CSSParagraphStyle* pParaStyle = pStyle->GetParagraphStyles();
-  FX_FLOAT fLineHeight = 0, fFontSize = 10;
-  if (para) {
-    fLineHeight = para.GetLineHeight();
-    FDE_CSSLENGTH indent;
-    indent.Set(FDE_CSSLENGTHUNIT_Point, para.GetTextIndent());
-    pParaStyle->SetTextIndent(indent);
-    FDE_CSSTEXTALIGN hAlign = FDE_CSSTEXTALIGN_Left;
-    switch (para.GetHorizontalAlign()) {
-      case XFA_ATTRIBUTEENUM_Center:
-        hAlign = FDE_CSSTEXTALIGN_Center;
-        break;
-      case XFA_ATTRIBUTEENUM_Right:
-        hAlign = FDE_CSSTEXTALIGN_Right;
-        break;
-      case XFA_ATTRIBUTEENUM_Justify:
-        hAlign = FDE_CSSTEXTALIGN_Justify;
-        break;
-      case XFA_ATTRIBUTEENUM_JustifyAll:
-        hAlign = FDE_CSSTEXTALIGN_JustifyAll;
-        break;
-    }
-    pParaStyle->SetTextAlign(hAlign);
-    FDE_CSSRECT rtMarginWidth;
-    rtMarginWidth.left.Set(FDE_CSSLENGTHUNIT_Point, para.GetMarginLeft());
-    rtMarginWidth.top.Set(FDE_CSSLENGTHUNIT_Point, para.GetSpaceAbove());
-    rtMarginWidth.right.Set(FDE_CSSLENGTHUNIT_Point, para.GetMarginRight());
-    rtMarginWidth.bottom.Set(FDE_CSSLENGTHUNIT_Point, para.GetSpaceBelow());
-    pStyle->GetBoundaryStyles()->SetMarginWidth(rtMarginWidth);
-  }
-  if (font) {
-    pFontStyle->SetColor(font.GetColor());
-    pFontStyle->SetFontStyle(font.IsItalic() ? FDE_CSSFONTSTYLE_Italic
-                                             : FDE_CSSFONTSTYLE_Normal);
-    pFontStyle->SetFontWeight(font.IsBold() ? FXFONT_FW_BOLD
-                                            : FXFONT_FW_NORMAL);
-    pParaStyle->SetNumberVerticalAlign(-font.GetBaselineShift());
-    fFontSize = font.GetFontSize();
-    FDE_CSSLENGTH letterSpacing;
-    letterSpacing.Set(FDE_CSSLENGTHUNIT_Point, font.GetLetterSpacing());
-    pParaStyle->SetLetterSpacing(letterSpacing);
-    uint32_t dwDecoration = 0;
-    if (font.GetLineThrough() > 0) {
-      dwDecoration |= FDE_CSSTEXTDECORATION_LineThrough;
-    }
-    if (font.GetUnderline() > 1) {
-      dwDecoration |= FDE_CSSTEXTDECORATION_Double;
-    } else if (font.GetUnderline() > 0) {
-      dwDecoration |= FDE_CSSTEXTDECORATION_Underline;
-    }
-    pParaStyle->SetTextDecoration(dwDecoration);
-  }
-  pParaStyle->SetLineHeight(fLineHeight);
-  pFontStyle->SetFontSize(fFontSize);
-  return pStyle;
-}
-IFDE_CSSComputedStyle* CXFA_TextParser::CreateStyle(
-    IFDE_CSSComputedStyle* pParentStyle) {
-  IFDE_CSSComputedStyle* pNewStyle =
-      m_pSelector->CreateComputedStyle(pParentStyle);
-  ASSERT(pNewStyle);
-  if (pParentStyle) {
-    IFDE_CSSParagraphStyle* pParaStyle = pParentStyle->GetParagraphStyles();
-    uint32_t dwDecoration = pParaStyle->GetTextDecoration();
-    FX_FLOAT fBaseLine = 0;
-    if (pParaStyle->GetVerticalAlign() == FDE_CSSVERTICALALIGN_Number) {
-      fBaseLine = pParaStyle->GetNumberVerticalAlign();
-    }
-    pParaStyle = pNewStyle->GetParagraphStyles();
-    pParaStyle->SetTextDecoration(dwDecoration);
-    pParaStyle->SetNumberVerticalAlign(fBaseLine);
-    IFDE_CSSBoundaryStyle* pBoundarytyle = pParentStyle->GetBoundaryStyles();
-    const FDE_CSSRECT* pRect = pBoundarytyle->GetMarginWidth();
-    if (pRect) {
-      pBoundarytyle = pNewStyle->GetBoundaryStyles();
-      pBoundarytyle->SetMarginWidth(*pRect);
-    }
-  }
-  return pNewStyle;
-}
-
-IFDE_CSSComputedStyle* CXFA_TextParser::ComputeStyle(
-    CFDE_XMLNode* pXMLNode,
-    IFDE_CSSComputedStyle* pParentStyle) {
-  auto it = m_mapXMLNodeToParseContext.find(pXMLNode);
-  if (it == m_mapXMLNodeToParseContext.end())
-    return nullptr;
-
-  CXFA_TextParseContext* pContext = it->second;
-  if (!pContext)
-    return nullptr;
-
-  pContext->m_pParentStyle = pParentStyle;
-  pParentStyle->Retain();
-
-  CXFA_CSSTagProvider tagProvider;
-  ParseTagInfo(pXMLNode, tagProvider);
-  if (tagProvider.m_bContent)
-    return nullptr;
-
-  IFDE_CSSComputedStyle* pStyle = CreateStyle(pParentStyle);
-  CFDE_CSSAccelerator* pCSSAccel = m_pSelector->InitAccelerator();
-  pCSSAccel->OnEnterTag(&tagProvider);
-  m_pSelector->ComputeStyle(&tagProvider, pContext->GetDecls(),
-                            pContext->CountDecls(), pStyle);
-  pCSSAccel->OnLeaveTag(&tagProvider);
-  return pStyle;
-}
-void CXFA_TextParser::DoParse(CFDE_XMLNode* pXMLContainer,
-                              CXFA_TextProvider* pTextProvider) {
-  if (!pXMLContainer || !pTextProvider || m_pAllocator) {
-    return;
-  }
-  m_pAllocator = IFX_MemoryAllocator::Create(FX_ALLOCTYPE_Fixed, 32,
-                                             sizeof(CXFA_CSSTagProvider));
-  InitCSSData(pTextProvider);
-  IFDE_CSSComputedStyle* pRootStyle = CreateRootStyle(pTextProvider);
-  ParseRichText(pXMLContainer, pRootStyle);
-  pRootStyle->Release();
-}
-void CXFA_TextParser::ParseRichText(CFDE_XMLNode* pXMLNode,
-                                    IFDE_CSSComputedStyle* pParentStyle) {
-  if (!pXMLNode)
-    return;
-
-  CXFA_CSSTagProvider tagProvider;
-  ParseTagInfo(pXMLNode, tagProvider);
-  if (!tagProvider.m_bTagAvailable)
-    return;
-
-  IFDE_CSSComputedStyle* pNewStyle = nullptr;
-  if ((tagProvider.GetTagName() != FX_WSTRC(L"body")) ||
-      (tagProvider.GetTagName() != FX_WSTRC(L"html"))) {
-    CXFA_TextParseContext* pTextContext =
-        FXTARGET_NewWith(m_pAllocator.get()) CXFA_TextParseContext;
-    FDE_CSSDISPLAY eDisplay = FDE_CSSDISPLAY_Inline;
-    if (!tagProvider.m_bContent) {
-      pNewStyle = CreateStyle(pParentStyle);
-      CFDE_CSSAccelerator* pCSSAccel = m_pSelector->InitAccelerator();
-      pCSSAccel->OnEnterTag(&tagProvider);
-      CFDE_CSSDeclarationArray DeclArray;
-      int32_t iMatchedDecls =
-          m_pSelector->MatchDeclarations(&tagProvider, DeclArray);
-      const CFDE_CSSDeclaration** ppMatchDecls =
-          const_cast<const CFDE_CSSDeclaration**>(DeclArray.GetData());
-      m_pSelector->ComputeStyle(&tagProvider, ppMatchDecls, iMatchedDecls,
-                                pNewStyle);
-      pCSSAccel->OnLeaveTag(&tagProvider);
-      if (iMatchedDecls > 0) {
-        pTextContext->SetDecls(ppMatchDecls, iMatchedDecls);
-      }
-      eDisplay = pNewStyle->GetPositionStyles()->GetDisplay();
-    }
-    pTextContext->SetDisplay(eDisplay);
-    m_mapXMLNodeToParseContext[pXMLNode] = pTextContext;
-  }
-  for (CFDE_XMLNode* pXMLChild =
-           pXMLNode->GetNodeItem(CFDE_XMLNode::FirstChild);
-       pXMLChild;
-       pXMLChild = pXMLChild->GetNodeItem(CFDE_XMLNode::NextSibling)) {
-    ParseRichText(pXMLChild, pNewStyle);
-  }
-  if (pNewStyle)
-    pNewStyle->Release();
-}
-
-bool CXFA_TextParser::TagValidate(const CFX_WideString& wsName) const {
-  static const uint32_t s_XFATagName[] = {
-      0x61,        // a
-      0x62,        // b
-      0x69,        // i
-      0x70,        // p
-      0x0001f714,  // br
-      0x00022a55,  // li
-      0x000239bb,  // ol
-      0x00025881,  // ul
-      0x0bd37faa,  // sub
-      0x0bd37fb8,  // sup
-      0xa73e3af2,  // span
-      0xb182eaae,  // body
-      0xdb8ac455,  // html
-  };
-  static const int32_t s_iCount = FX_ArraySize(s_XFATagName);
-
-  return std::binary_search(s_XFATagName, s_XFATagName + s_iCount,
-                            FX_HashCode_GetW(wsName.AsStringC(), true));
-}
-
-void CXFA_TextParser::ParseTagInfo(CFDE_XMLNode* pXMLNode,
-                                   CXFA_CSSTagProvider& tagProvider) {
-  CFX_WideString wsName;
-  if (pXMLNode->GetType() == FDE_XMLNODE_Element) {
-    CFDE_XMLElement* pXMLElement = static_cast<CFDE_XMLElement*>(pXMLNode);
-    pXMLElement->GetLocalTagName(wsName);
-    tagProvider.SetTagNameObj(wsName);
-    tagProvider.m_bTagAvailable = TagValidate(wsName);
-
-    CFX_WideString wsValue;
-    pXMLElement->GetString(L"style", wsValue);
-    if (!wsValue.IsEmpty()) {
-      tagProvider.SetAttribute(L"style", wsValue);
-    }
-  } else if (pXMLNode->GetType() == FDE_XMLNODE_Text) {
-    tagProvider.m_bTagAvailable = true;
-    tagProvider.m_bContent = true;
-  }
-}
-
-int32_t CXFA_TextParser::GetVAlign(CXFA_TextProvider* pTextProvider) const {
-  CXFA_Para para = pTextProvider->GetParaNode();
-  return para ? para.GetVerticalAlign() : XFA_ATTRIBUTEENUM_Top;
-}
-
-FX_FLOAT CXFA_TextParser::GetTabInterval(IFDE_CSSComputedStyle* pStyle) const {
-  CFX_WideString wsValue;
-  if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"tab-interval"), wsValue))
-    return CXFA_Measurement(wsValue.AsStringC()).ToUnit(XFA_UNIT_Pt);
-  return 36;
-}
-
-int32_t CXFA_TextParser::CountTabs(IFDE_CSSComputedStyle* pStyle) const {
-  CFX_WideString wsValue;
-  if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"xfa-tab-count"), wsValue))
-    return wsValue.GetInteger();
-  return 0;
-}
-
-bool CXFA_TextParser::IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const {
-  CFX_WideString wsValue;
-  if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"xfa-spacerun"), wsValue)) {
-    wsValue.MakeLower();
-    return wsValue == FX_WSTRC(L"yes");
-  }
-  return false;
-}
-
-CFX_RetainPtr<CFGAS_GEFont> CXFA_TextParser::GetFont(
-    CXFA_TextProvider* pTextProvider,
-    IFDE_CSSComputedStyle* pStyle) const {
-  CFX_WideStringC wsFamily = FX_WSTRC(L"Courier");
-  uint32_t dwStyle = 0;
-  CXFA_Font font = pTextProvider->GetFontNode();
-  if (font) {
-    font.GetTypeface(wsFamily);
-    if (font.IsBold()) {
-      dwStyle |= FX_FONTSTYLE_Bold;
-    }
-    if (font.IsItalic()) {
-      dwStyle |= FX_FONTSTYLE_Italic;
-    }
-  }
-  if (pStyle) {
-    IFDE_CSSFontStyle* pFontStyle = pStyle->GetFontStyles();
-    int32_t iCount = pFontStyle->CountFontFamilies();
-    if (iCount > 0) {
-      wsFamily = pFontStyle->GetFontFamily(iCount - 1);
-    }
-    dwStyle = 0;
-    if (pFontStyle->GetFontWeight() > FXFONT_FW_NORMAL) {
-      dwStyle |= FX_FONTSTYLE_Bold;
-    }
-    if (pFontStyle->GetFontStyle() == FDE_CSSFONTSTYLE_Italic) {
-      dwStyle |= FX_FONTSTYLE_Italic;
-    }
-  }
-  CXFA_FFDoc* pDoc = pTextProvider->GetDocNode();
-  CXFA_FontMgr* pFontMgr = pDoc->GetApp()->GetXFAFontMgr();
-  return pFontMgr->GetFont(pDoc, wsFamily, dwStyle);
-}
-FX_FLOAT CXFA_TextParser::GetFontSize(CXFA_TextProvider* pTextProvider,
-                                      IFDE_CSSComputedStyle* pStyle) const {
-  if (pStyle)
-    return pStyle->GetFontStyles()->GetFontSize();
-
-  CXFA_Font font = pTextProvider->GetFontNode();
-  if (font) {
-    return font.GetFontSize();
-  }
-  return 10;
-}
-int32_t CXFA_TextParser::GetHorScale(CXFA_TextProvider* pTextProvider,
-                                     IFDE_CSSComputedStyle* pStyle,
-                                     CFDE_XMLNode* pXMLNode) const {
-  if (pStyle) {
-    CFX_WideString wsValue;
-    if (pStyle->GetCustomStyle(L"xfa-font-horizontal-scale", wsValue)) {
-      return wsValue.GetInteger();
-    }
-    while (pXMLNode) {
-      auto it = m_mapXMLNodeToParseContext.find(pXMLNode);
-      if (it != m_mapXMLNodeToParseContext.end()) {
-        CXFA_TextParseContext* pContext = it->second;
-        if (pContext && pContext->m_pParentStyle &&
-            pContext->m_pParentStyle->GetCustomStyle(
-                L"xfa-font-horizontal-scale", wsValue)) {
-          return wsValue.GetInteger();
-        }
-      }
-      pXMLNode = pXMLNode->GetNodeItem(CFDE_XMLNode::Parent);
-    }
-  }
-  if (CXFA_Font font = pTextProvider->GetFontNode()) {
-    return static_cast<int32_t>(font.GetHorizontalScale());
-  }
-  return 100;
-}
-int32_t CXFA_TextParser::GetVerScale(CXFA_TextProvider* pTextProvider,
-                                     IFDE_CSSComputedStyle* pStyle) const {
-  if (pStyle) {
-    CFX_WideString wsValue;
-    if (pStyle->GetCustomStyle(FX_WSTRC(L"xfa-font-vertical-scale"), wsValue)) {
-      return wsValue.GetInteger();
-    }
-  }
-  if (CXFA_Font font = pTextProvider->GetFontNode()) {
-    return (int32_t)font.GetVerticalScale();
-  }
-  return 100;
-}
-void CXFA_TextParser::GetUnderline(CXFA_TextProvider* pTextProvider,
-                                   IFDE_CSSComputedStyle* pStyle,
-                                   int32_t& iUnderline,
-                                   int32_t& iPeriod) const {
-  iUnderline = 0;
-  iPeriod = XFA_ATTRIBUTEENUM_All;
-  if (pStyle) {
-    uint32_t dwDecoration = pStyle->GetParagraphStyles()->GetTextDecoration();
-    if (dwDecoration & FDE_CSSTEXTDECORATION_Double) {
-      iUnderline = 2;
-    } else if (dwDecoration & FDE_CSSTEXTDECORATION_Underline) {
-      iUnderline = 1;
-    }
-    CFX_WideString wsValue;
-    if (pStyle->GetCustomStyle(FX_WSTRC(L"underlinePeriod"), wsValue)) {
-      if (wsValue == FX_WSTRC(L"word")) {
-        iPeriod = XFA_ATTRIBUTEENUM_Word;
-      }
-    } else if (CXFA_Font font = pTextProvider->GetFontNode()) {
-      iPeriod = font.GetUnderlinePeriod();
-    }
-  } else {
-    CXFA_Font font = pTextProvider->GetFontNode();
-    if (font) {
-      iUnderline = font.GetUnderline();
-      iPeriod = font.GetUnderlinePeriod();
-    }
-  }
-}
-void CXFA_TextParser::GetLinethrough(CXFA_TextProvider* pTextProvider,
-                                     IFDE_CSSComputedStyle* pStyle,
-                                     int32_t& iLinethrough) const {
-  if (pStyle) {
-    uint32_t dwDecoration = pStyle->GetParagraphStyles()->GetTextDecoration();
-    iLinethrough = (dwDecoration & FDE_CSSTEXTDECORATION_LineThrough) ? 1 : 0;
-  } else {
-    CXFA_Font font = pTextProvider->GetFontNode();
-    if (font) {
-      iLinethrough = font.GetLineThrough();
-    }
-  }
-}
-FX_ARGB CXFA_TextParser::GetColor(CXFA_TextProvider* pTextProvider,
-                                  IFDE_CSSComputedStyle* pStyle) const {
-  if (pStyle)
-    return pStyle->GetFontStyles()->GetColor();
-
-  if (CXFA_Font font = pTextProvider->GetFontNode())
-    return font.GetColor();
-
-  return 0xFF000000;
-}
-FX_FLOAT CXFA_TextParser::GetBaseline(CXFA_TextProvider* pTextProvider,
-                                      IFDE_CSSComputedStyle* pStyle) const {
-  if (pStyle) {
-    IFDE_CSSParagraphStyle* pParaStyle = pStyle->GetParagraphStyles();
-    if (pParaStyle->GetVerticalAlign() == FDE_CSSVERTICALALIGN_Number) {
-      return pParaStyle->GetNumberVerticalAlign();
-    }
-  } else if (CXFA_Font font = pTextProvider->GetFontNode()) {
-    return font.GetBaselineShift();
-  }
-  return 0;
-}
-FX_FLOAT CXFA_TextParser::GetLineHeight(CXFA_TextProvider* pTextProvider,
-                                        IFDE_CSSComputedStyle* pStyle,
-                                        bool bFirst,
-                                        FX_FLOAT fVerScale) const {
-  FX_FLOAT fLineHeight = 0;
-  if (pStyle) {
-    fLineHeight = pStyle->GetParagraphStyles()->GetLineHeight();
-  } else if (CXFA_Para para = pTextProvider->GetParaNode()) {
-    fLineHeight = para.GetLineHeight();
-  }
-  if (bFirst) {
-    FX_FLOAT fFontSize = GetFontSize(pTextProvider, pStyle);
-    if (fLineHeight < 0.1f) {
-      fLineHeight = fFontSize;
-    } else {
-      fLineHeight = std::min(fLineHeight, fFontSize);
-    }
-  } else if (fLineHeight < 0.1f) {
-    fLineHeight = GetFontSize(pTextProvider, pStyle) * 1.2f;
-  }
-  fLineHeight *= fVerScale;
-  return fLineHeight;
-}
-bool CXFA_TextParser::GetEmbbedObj(CXFA_TextProvider* pTextProvider,
-                                   CFDE_XMLNode* pXMLNode,
-                                   CFX_WideString& wsValue) {
-  wsValue.clear();
-  if (!pXMLNode) {
-    return false;
-  }
-  bool bRet = false;
-  if (pXMLNode->GetType() == FDE_XMLNODE_Element) {
-    CFDE_XMLElement* pElement = static_cast<CFDE_XMLElement*>(pXMLNode);
-    CFX_WideString wsAttr;
-    pElement->GetString(L"xfa:embed", wsAttr);
-    if (wsAttr.IsEmpty()) {
-      return false;
-    }
-    if (wsAttr.GetAt(0) == L'#') {
-      wsAttr.Delete(0);
-    }
-    CFX_WideString ws;
-    pElement->GetString(L"xfa:embedType", ws);
-    if (ws.IsEmpty()) {
-      ws = L"som";
-    } else {
-      ws.MakeLower();
-    }
-    bool bURI = (ws == FX_WSTRC(L"uri"));
-    if (!bURI && ws != FX_WSTRC(L"som")) {
-      return false;
-    }
-    ws.clear();
-    pElement->GetString(L"xfa:embedMode", ws);
-    if (ws.IsEmpty()) {
-      ws = L"formatted";
-    } else {
-      ws.MakeLower();
-    }
-    bool bRaw = (ws == FX_WSTRC(L"raw"));
-    if (!bRaw && ws != FX_WSTRC(L"formatted")) {
-      return false;
-    }
-    bRet = pTextProvider->GetEmbbedObj(bURI, bRaw, wsAttr, wsValue);
-  }
-  return bRet;
-}
-
-CXFA_TextParseContext* CXFA_TextParser::GetParseContextFromMap(
-    CFDE_XMLNode* pXMLNode) {
-  auto it = m_mapXMLNodeToParseContext.find(pXMLNode);
-  return it != m_mapXMLNodeToParseContext.end() ? it->second : nullptr;
-}
-
-enum XFA_TABSTOPSSTATUS {
-  XFA_TABSTOPSSTATUS_Error,
-  XFA_TABSTOPSSTATUS_EOS,
-  XFA_TABSTOPSSTATUS_None,
-  XFA_TABSTOPSSTATUS_Alignment,
-  XFA_TABSTOPSSTATUS_StartLeader,
-  XFA_TABSTOPSSTATUS_Leader,
-  XFA_TABSTOPSSTATUS_Location,
-};
-bool CXFA_TextParser::GetTabstops(IFDE_CSSComputedStyle* pStyle,
-                                  CXFA_TextTabstopsContext* pTabstopContext) {
-  if (!pStyle || !pTabstopContext) {
-    return false;
-  }
-  CFX_WideString wsValue;
-  if (!pStyle->GetCustomStyle(FX_WSTRC(L"xfa-tab-stops"), wsValue) &&
-      !pStyle->GetCustomStyle(FX_WSTRC(L"tab-stops"), wsValue)) {
-    return false;
-  }
-  int32_t iLength = wsValue.GetLength();
-  const FX_WCHAR* pTabStops = wsValue.c_str();
-  int32_t iCur = 0;
-  int32_t iLast = 0;
-  CFX_WideString wsAlign;
-  XFA_TABSTOPSSTATUS eStatus = XFA_TABSTOPSSTATUS_None;
-  FX_WCHAR ch;
-  while (iCur < iLength) {
-    ch = pTabStops[iCur];
-    switch (eStatus) {
-      case XFA_TABSTOPSSTATUS_None:
-        if (ch <= ' ') {
-          iCur++;
-        } else {
-          eStatus = XFA_TABSTOPSSTATUS_Alignment;
-          iLast = iCur;
-        }
-        break;
-      case XFA_TABSTOPSSTATUS_Alignment:
-        if (ch == ' ') {
-          wsAlign = CFX_WideStringC(pTabStops + iLast, iCur - iLast);
-          eStatus = XFA_TABSTOPSSTATUS_StartLeader;
-          iCur++;
-          while (iCur < iLength && pTabStops[iCur] <= ' ') {
-            iCur++;
-          }
-          iLast = iCur;
-        } else {
-          iCur++;
-        }
-        break;
-      case XFA_TABSTOPSSTATUS_StartLeader:
-        if (ch != 'l') {
-          eStatus = XFA_TABSTOPSSTATUS_Location;
-        } else {
-          int32_t iCount = 0;
-          while (iCur < iLength) {
-            ch = pTabStops[iCur];
-            iCur++;
-            if (ch == '(') {
-              iCount++;
-            } else if (ch == ')') {
-              iCount--;
-              if (iCount == 0) {
-                break;
-              }
-            }
-          }
-          while (iCur < iLength && pTabStops[iCur] <= ' ') {
-            iCur++;
-          }
-          iLast = iCur;
-          eStatus = XFA_TABSTOPSSTATUS_Location;
-        }
-        break;
-      case XFA_TABSTOPSSTATUS_Location:
-        if (ch == ' ') {
-          uint32_t dwHashCode = FX_HashCode_GetW(wsAlign.AsStringC(), true);
-          CXFA_Measurement ms(CFX_WideStringC(pTabStops + iLast, iCur - iLast));
-          FX_FLOAT fPos = ms.ToUnit(XFA_UNIT_Pt);
-          pTabstopContext->Append(dwHashCode, fPos);
-          wsAlign.clear();
-          eStatus = XFA_TABSTOPSSTATUS_None;
-        }
-        iCur++;
-        break;
-      default:
-        break;
-    }
-  }
-  if (!wsAlign.IsEmpty()) {
-    uint32_t dwHashCode = FX_HashCode_GetW(wsAlign.AsStringC(), true);
-    CXFA_Measurement ms(CFX_WideStringC(pTabStops + iLast, iCur - iLast));
-    FX_FLOAT fPos = ms.ToUnit(XFA_UNIT_Pt);
-    pTabstopContext->Append(dwHashCode, fPos);
-  }
-  return true;
-}
+#define XFA_LOADERCNTXTFLG_FILTERSPACE 0x001
 
 CXFA_TextLayout::CXFA_TextLayout(CXFA_TextProvider* pTextProvider)
     : m_bHasBlock(false),
@@ -732,49 +64,52 @@ void CXFA_TextLayout::Unload() {
   m_pAllocator.reset();
 }
 
-const CXFA_PieceLineArray* CXFA_TextLayout::GetPieceLines() {
+const CFX_ArrayTemplate<CXFA_PieceLine*>* CXFA_TextLayout::GetPieceLines() {
   return &m_pieceLines;
 }
 
 void CXFA_TextLayout::GetTextDataNode() {
-  if (!m_pTextProvider) {
+  if (!m_pTextProvider)
     return;
-  }
+
   CXFA_Node* pNode = m_pTextProvider->GetTextNode(m_bRichText);
-  if (pNode && m_bRichText) {
+  if (pNode && m_bRichText)
     m_textParser.Reset();
-  }
+
   m_pTextDataNode = pNode;
 }
+
 CFDE_XMLNode* CXFA_TextLayout::GetXMLContainerNode() {
+  if (!m_bRichText)
+    return nullptr;
+
+  CFDE_XMLNode* pXMLRoot = m_pTextDataNode->GetXMLMappingNode();
+  if (!pXMLRoot)
+    return nullptr;
+
   CFDE_XMLNode* pXMLContainer = nullptr;
-  if (m_bRichText) {
-    CFDE_XMLNode* pXMLRoot = m_pTextDataNode->GetXMLMappingNode();
-    if (!pXMLRoot) {
-      return pXMLContainer;
-    }
-    for (CFDE_XMLNode* pXMLChild =
-             pXMLRoot->GetNodeItem(CFDE_XMLNode::FirstChild);
-         pXMLChild;
-         pXMLChild = pXMLChild->GetNodeItem(CFDE_XMLNode::NextSibling)) {
-      if (pXMLChild->GetType() == FDE_XMLNODE_Element) {
-        CFDE_XMLElement* pXMLElement = static_cast<CFDE_XMLElement*>(pXMLChild);
-        CFX_WideString wsTag;
-        pXMLElement->GetLocalTagName(wsTag);
-        if (wsTag == FX_WSTRC(L"body") || wsTag == FX_WSTRC(L"html")) {
-          pXMLContainer = pXMLChild;
-          break;
-        }
+  for (CFDE_XMLNode* pXMLChild =
+           pXMLRoot->GetNodeItem(CFDE_XMLNode::FirstChild);
+       pXMLChild;
+       pXMLChild = pXMLChild->GetNodeItem(CFDE_XMLNode::NextSibling)) {
+    if (pXMLChild->GetType() == FDE_XMLNODE_Element) {
+      CFDE_XMLElement* pXMLElement = static_cast<CFDE_XMLElement*>(pXMLChild);
+      CFX_WideString wsTag;
+      pXMLElement->GetLocalTagName(wsTag);
+      if (wsTag == FX_WSTRC(L"body") || wsTag == FX_WSTRC(L"html")) {
+        pXMLContainer = pXMLChild;
+        break;
       }
     }
   }
   return pXMLContainer;
 }
+
 CFX_RTFBreak* CXFA_TextLayout::CreateBreak(bool bDefault) {
   uint32_t dwStyle = FX_RTFLAYOUTSTYLE_ExpandTab;
-  if (!bDefault) {
+  if (!bDefault)
     dwStyle |= FX_RTFLAYOUTSTYLE_Pagination;
-  }
+
   CFX_RTFBreak* pBreak = new CFX_RTFBreak(0);
   pBreak->SetLayoutStyles(dwStyle);
   pBreak->SetLineBreakChar(L'\n');
@@ -783,6 +118,7 @@ CFX_RTFBreak* CXFA_TextLayout::CreateBreak(bool bDefault) {
   pBreak->SetFontSize(m_textParser.GetFontSize(m_pTextProvider, nullptr));
   return pBreak;
 }
+
 void CXFA_TextLayout::InitBreak(FX_FLOAT fLineWidth) {
   CXFA_Font font = m_pTextProvider->GetFontNode();
   CXFA_Para para = m_pTextProvider->GetParaNode();
@@ -805,23 +141,23 @@ void CXFA_TextLayout::InitBreak(FX_FLOAT fLineWidth) {
         break;
     }
     m_pBreak->SetAlignment(iAlign);
+
     fStart = para.GetMarginLeft();
     if (m_pTextProvider->IsCheckButtonAndAutoWidth()) {
-      if (iAlign != FX_RTFLINEALIGNMENT_Left) {
+      if (iAlign != FX_RTFLINEALIGNMENT_Left)
         fLineWidth -= para.GetMarginRight();
-      }
     } else {
       fLineWidth -= para.GetMarginRight();
     }
-    if (fLineWidth < 0) {
+    if (fLineWidth < 0)
       fLineWidth = fStart;
-    }
+
     fStartPos = fStart;
     FX_FLOAT fIndent = para.GetTextIndent();
-    if (fIndent > 0) {
+    if (fIndent > 0)
       fStartPos += fIndent;
-    }
   }
+
   m_pBreak->SetLineBoundary(fStart, fLineWidth);
   m_pBreak->SetLineStartPos(fStartPos);
   if (font) {
@@ -829,11 +165,13 @@ void CXFA_TextLayout::InitBreak(FX_FLOAT fLineWidth) {
     m_pBreak->SetVerticalScale((int32_t)font.GetVerticalScale());
     m_pBreak->SetCharSpace(font.GetLetterSpacing());
   }
+
   FX_FLOAT fFontSize = m_textParser.GetFontSize(m_pTextProvider, nullptr);
   m_pBreak->SetFontSize(fFontSize);
   m_pBreak->SetFont(m_textParser.GetFont(m_pTextProvider, nullptr));
   m_pBreak->SetLineBreakTolerance(fFontSize * 0.2f);
 }
+
 void CXFA_TextLayout::InitBreak(IFDE_CSSComputedStyle* pStyle,
                                 FDE_CSSDISPLAY eDisplay,
                                 FX_FLOAT fLineWidth,
@@ -843,6 +181,7 @@ void CXFA_TextLayout::InitBreak(IFDE_CSSComputedStyle* pStyle,
     InitBreak(fLineWidth);
     return;
   }
+
   IFDE_CSSParagraphStyle* pParaStyle = pStyle->GetParagraphStyles();
   if (eDisplay == FDE_CSSDISPLAY_Block || eDisplay == FDE_CSSDISPLAY_ListItem) {
     int32_t iAlign = FX_RTFLINEALIGNMENT_Left;
@@ -897,9 +236,9 @@ void CXFA_TextLayout::InitBreak(IFDE_CSSComputedStyle* pStyle,
     }
     m_pBreak->SetLineBoundary(fStart, fLineWidth);
     FX_FLOAT fIndent = pParaStyle->GetTextIndent().GetValue();
-    if (fIndent > 0) {
+    if (fIndent > 0)
       fStart += fIndent;
-    }
+
     m_pBreak->SetLineStartPos(fStart);
     m_pBreak->SetTabWidth(m_textParser.GetTabInterval(pStyle));
     if (!m_pTabstopContext)
@@ -910,6 +249,7 @@ void CXFA_TextLayout::InitBreak(IFDE_CSSComputedStyle* pStyle,
       m_pBreak->AddPositionedTab(pTab->fTabstops);
     }
   }
+
   FX_FLOAT fFontSize = m_textParser.GetFontSize(m_pTextProvider, pStyle);
   m_pBreak->SetFontSize(fFontSize);
   m_pBreak->SetLineBreakTolerance(fFontSize * 0.2f);
@@ -919,19 +259,19 @@ void CXFA_TextLayout::InitBreak(IFDE_CSSComputedStyle* pStyle,
   m_pBreak->SetVerticalScale(m_textParser.GetVerScale(m_pTextProvider, pStyle));
   m_pBreak->SetCharSpace(pParaStyle->GetLetterSpacing().GetValue());
 }
+
 int32_t CXFA_TextLayout::GetText(CFX_WideString& wsText) {
   GetTextDataNode();
   wsText.clear();
-  if (m_bRichText) {
-  } else {
+  if (!m_bRichText)
     wsText = m_pTextDataNode->GetContent();
-  }
   return wsText.GetLength();
 }
+
 FX_FLOAT CXFA_TextLayout::GetLayoutHeight() {
-  if (!m_pLoader) {
+  if (!m_pLoader)
     return 0;
-  }
+
   int32_t iCount = m_pLoader->m_lineHeights.GetSize();
   if (iCount == 0 && m_pLoader->m_fWidth > 0) {
     CFX_SizeF szMax(m_pLoader->m_fWidth, m_pLoader->m_fHeight);
@@ -942,15 +282,16 @@ FX_FLOAT CXFA_TextLayout::GetLayoutHeight() {
     m_pLoader->m_bSaveLineHeight = false;
     return szDef.y;
   }
+
   FX_FLOAT fHeight = m_pLoader->m_fHeight;
   if (fHeight < 0.1f) {
     fHeight = 0;
-    for (int32_t i = 0; i < iCount; i++) {
+    for (int32_t i = 0; i < iCount; i++)
       fHeight += m_pLoader->m_lineHeights.ElementAt(i);
-    }
   }
   return fHeight;
 }
+
 FX_FLOAT CXFA_TextLayout::StartLayout(FX_FLOAT fWidth) {
   if (!m_pLoader)
     m_pLoader = pdfium::MakeUnique<CXFA_LoaderContext>();
@@ -963,6 +304,7 @@ FX_FLOAT CXFA_TextLayout::StartLayout(FX_FLOAT fWidth) {
     m_pLoader->m_fStartLineOffset = 0;
   }
   m_pLoader->m_fWidth = fWidth;
+
   if (fWidth < 0) {
     CFX_SizeF szMax;
     CFX_SizeF szDef;
@@ -974,35 +316,36 @@ FX_FLOAT CXFA_TextLayout::StartLayout(FX_FLOAT fWidth) {
   }
   return fWidth;
 }
+
 bool CXFA_TextLayout::DoLayout(int32_t iBlockIndex,
                                FX_FLOAT& fCalcHeight,
                                FX_FLOAT fContentAreaHeight,
                                FX_FLOAT fTextHeight) {
-  if (!m_pLoader) {
+  if (!m_pLoader)
     return false;
-  }
+
   int32_t iBlockCount = m_Blocks.GetSize();
   FX_FLOAT fHeight = fTextHeight;
-  if (fHeight < 0) {
+  if (fHeight < 0)
     fHeight = GetLayoutHeight();
-  }
+
   m_pLoader->m_fHeight = fHeight;
-  if (fContentAreaHeight < 0) {
+  if (fContentAreaHeight < 0)
     return false;
-  }
+
   m_bHasBlock = true;
   if (iBlockCount == 0 && fHeight > 0) {
     fHeight = fTextHeight - GetLayoutHeight();
     if (fHeight > 0) {
       int32_t iAlign = m_textParser.GetVAlign(m_pTextProvider);
-      if (iAlign == XFA_ATTRIBUTEENUM_Middle) {
+      if (iAlign == XFA_ATTRIBUTEENUM_Middle)
         fHeight /= 2.0f;
-      } else if (iAlign != XFA_ATTRIBUTEENUM_Bottom) {
+      else if (iAlign != XFA_ATTRIBUTEENUM_Bottom)
         fHeight = 0;
-      }
       m_pLoader->m_fStartLineOffset = fHeight;
     }
   }
+
   FX_FLOAT fLinePos = m_pLoader->m_fStartLineOffset;
   int32_t iLineIndex = 0;
   if (iBlockCount > 1) {
@@ -1017,6 +360,7 @@ bool CXFA_TextLayout::DoLayout(int32_t iBlockIndex,
         fLinePos -= m_pLoader->m_BlocksHeight[i * 2 + 1];
     }
   }
+
   int32_t iCount = m_pLoader->m_lineHeights.GetSize();
   int32_t i = 0;
   for (i = iLineIndex; i < iCount; i++) {
@@ -1046,6 +390,7 @@ bool CXFA_TextLayout::DoLayout(int32_t iBlockIndex,
         }
         return true;
       }
+
       fCalcHeight = fLinePos;
       return true;
     }
@@ -1053,6 +398,7 @@ bool CXFA_TextLayout::DoLayout(int32_t iBlockIndex,
   }
   return false;
 }
+
 int32_t CXFA_TextLayout::CountBlocks() const {
   int32_t iCount = m_Blocks.GetSize() / 2;
   return iCount > 0 ? iCount : 1;
@@ -1088,6 +434,7 @@ bool CXFA_TextLayout::Layout(const CFX_SizeF& size, FX_FLOAT* fHeight) {
     m_pLoader->m_iTotalLines = -1;
     m_pLoader->m_iChar = 0;
   }
+
   m_iLines = 0;
   FX_FLOAT fLinePos = 0;
   Loader(size, fLinePos, true);
@@ -1119,12 +466,13 @@ bool CXFA_TextLayout::Layout(int32_t iBlock) {
     Unload();
     m_pBreak.reset(CreateBreak(true));
     fLinePos = m_pLoader->m_fStartLineOffset;
-    for (int32_t i = 0; i < iBlocksHeightCount; i++) {
+    for (int32_t i = 0; i < iBlocksHeightCount; i++)
       fLinePos -= m_pLoader->m_BlocksHeight[i * 2 + 1];
-    }
+
     m_pLoader->m_iChar = 0;
     if (iCount > 1)
       m_pLoader->m_iTotalLines = m_Blocks.ElementAt(iBlock * 2 + 1);
+
     Loader(szText, fLinePos, true);
     if (iCount == 0 && m_pLoader->m_fStartLineOffset < 0.1f)
       UpdateAlign(szText.y, fLinePos);
@@ -1132,15 +480,17 @@ bool CXFA_TextLayout::Layout(int32_t iBlock) {
     iBlock *= 2;
     if (iBlock < iCount - 2)
       m_pLoader->m_iTotalLines = m_Blocks.ElementAt(iBlock + 1);
+
     m_pBreak->Reset();
     if (m_bRichText) {
       CFDE_XMLNode* pContainerNode = GetXMLContainerNode();
-      if (!pContainerNode) {
+      if (!pContainerNode)
         return true;
-      }
+
       CFDE_XMLNode* pXMLNode = m_pLoader->m_pXMLNode;
       if (!pXMLNode)
         return true;
+
       CFDE_XMLNode* pSaveXMLNode = m_pLoader->m_pXMLNode;
       for (; pXMLNode;
            pXMLNode = pXMLNode->GetNodeItem(CFDE_XMLNode::NextSibling)) {
@@ -1182,14 +532,15 @@ bool CXFA_TextLayout::Layout(int32_t iBlock) {
   }
   return true;
 }
+
 void CXFA_TextLayout::ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex) {
-  if (!m_pLoader) {
+  if (!m_pLoader)
     return;
-  }
+
   int32_t iCountHeight = m_pLoader->m_lineHeights.GetSize();
-  if (iCountHeight == 0) {
+  if (iCountHeight == 0)
     return;
-  }
+
   bool bEndItem = true;
   int32_t iBlockCount = m_Blocks.GetSize();
   FX_FLOAT fLinePos = m_pLoader->m_fStartLineOffset;
@@ -1199,14 +550,14 @@ void CXFA_TextLayout::ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex) {
         pdfium::CollectionSize<int32_t>(m_pLoader->m_BlocksHeight);
     iBlockHeightCount /= 2;
     if (iBlockHeightCount >= iBlockIndex) {
-      for (int32_t i = 0; i < iBlockIndex; i++) {
+      for (int32_t i = 0; i < iBlockIndex; i++)
         fLinePos -= m_pLoader->m_BlocksHeight[i * 2 + 1];
-      }
     } else {
       fLinePos = 0;
     }
     iLineIndex = m_Blocks[iBlockCount - 1] + m_Blocks[iBlockCount - 2];
   }
+
   int32_t i = 0;
   for (i = iLineIndex; i < iCountHeight; i++) {
     FX_FLOAT fLineHeight = m_pLoader->m_lineHeights.ElementAt(i);
@@ -1223,6 +574,7 @@ void CXFA_TextLayout::ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex) {
     m_Blocks.Add(i - iLineIndex);
   }
 }
+
 bool CXFA_TextLayout::DrawString(CFX_RenderDevice* pFxDevice,
                                  const CFX_Matrix& tmDoc2Device,
                                  const CFX_RectF& rtClip,
@@ -1235,14 +587,14 @@ bool CXFA_TextLayout::DrawString(CFX_RenderDevice* pFxDevice,
   pDevice->SaveState();
   pDevice->SetClipRect(rtClip);
 
-  std::unique_ptr<CFDE_Brush> pSolidBrush(new CFDE_Brush);
-  std::unique_ptr<CFDE_Pen> pPen(new CFDE_Pen);
+  auto pSolidBrush = pdfium::MakeUnique<CFDE_Brush>();
+  auto pPen = pdfium::MakeUnique<CFDE_Pen>();
   if (m_pieceLines.GetSize() == 0) {
     int32_t iBlockCount = CountBlocks();
-    for (int32_t i = 0; i < iBlockCount; i++) {
+    for (int32_t i = 0; i < iBlockCount; i++)
       Layout(i);
-    }
   }
+
   FXTEXT_CHARPOS* pCharPos = nullptr;
   int32_t iCharCount = 0;
   int32_t iLineStart = 0;
@@ -1257,10 +609,11 @@ bool CXFA_TextLayout::DrawString(CFX_RenderDevice* pFxDevice,
       iPieceLines = 0;
     }
   }
+
   for (int32_t i = 0; i < iPieceLines; i++) {
-    if (i + iLineStart >= m_pieceLines.GetSize()) {
+    if (i + iLineStart >= m_pieceLines.GetSize())
       break;
-    }
+
     CXFA_PieceLine* pPieceLine = m_pieceLines.GetAt(i + iLineStart);
     int32_t iPieces = pPieceLine->m_textPieces.GetSize();
     int32_t j = 0;
@@ -1285,11 +638,12 @@ bool CXFA_TextLayout::DrawString(CFX_RenderDevice* pFxDevice,
   FX_Free(pCharPos);
   return iPieceLines > 0;
 }
+
 void CXFA_TextLayout::UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom) {
   fHeight -= fBottom;
-  if (fHeight < 0.1f) {
+  if (fHeight < 0.1f)
     return;
-  }
+
   switch (m_textParser.GetVAlign(m_pTextProvider)) {
     case XFA_ATTRIBUTEENUM_Middle:
       fHeight /= 2.0f;
@@ -1299,6 +653,7 @@ void CXFA_TextLayout::UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom) {
     default:
       return;
   }
+
   int32_t iCount = m_pieceLines.GetSize();
   for (int32_t i = 0; i < iCount; i++) {
     CXFA_PieceLine* pPieceLine = m_pieceLines.GetAt(i);
@@ -1310,12 +665,13 @@ void CXFA_TextLayout::UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom) {
     }
   }
 }
+
 bool CXFA_TextLayout::Loader(const CFX_SizeF& szText,
                              FX_FLOAT& fLinePos,
                              bool bSavePieces) {
-  if (!m_pAllocator) {
+  if (!m_pAllocator)
     m_pAllocator = IFX_MemoryAllocator::Create(FX_ALLOCTYPE_Static, 256, 0);
-  }
+
   GetTextDataNode();
   if (!m_pTextDataNode)
     return true;
@@ -1323,9 +679,9 @@ bool CXFA_TextLayout::Loader(const CFX_SizeF& szText,
   if (m_bRichText) {
     CFDE_XMLNode* pXMLContainer = GetXMLContainerNode();
     if (pXMLContainer) {
-      if (!m_textParser.IsParsed()) {
+      if (!m_textParser.IsParsed())
         m_textParser.DoParse(pXMLContainer, m_pTextProvider);
-      }
+
       IFDE_CSSComputedStyle* pRootStyle =
           m_textParser.CreateRootStyle(m_pTextProvider);
       LoadRichText(pXMLContainer, szText, fLinePos, pRootStyle, bSavePieces);
@@ -1336,11 +692,13 @@ bool CXFA_TextLayout::Loader(const CFX_SizeF& szText,
   }
   return true;
 }
+
 void CXFA_TextLayout::LoadText(CXFA_Node* pNode,
                                const CFX_SizeF& szText,
                                FX_FLOAT& fLinePos,
                                bool bSavePieces) {
   InitBreak(szText.x);
+
   CXFA_Para para = m_pTextProvider->GetParaNode();
   FX_FLOAT fSpaceAbove = 0;
   if (para) {
@@ -1358,15 +716,16 @@ void CXFA_TextLayout::LoadText(CXFA_Node* pNode,
       }
     }
   }
+
   CFX_WideString wsText = pNode->GetContent();
   wsText.TrimRight(L" ");
   bool bRet = AppendChar(wsText, fLinePos, fSpaceAbove, bSavePieces);
-  if (bRet && m_pLoader) {
+  if (bRet && m_pLoader)
     m_pLoader->m_pNode = pNode;
-  } else {
+  else
     EndBreak(FX_RTFBREAK_ParagraphBreak, fLinePos, bSavePieces);
-  }
 }
+
 bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
                                    const CFX_SizeF& szText,
                                    FX_FLOAT& fLinePos,
@@ -1376,9 +735,9 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
                                    bool bEndBreak,
                                    bool bIsOl,
                                    int32_t iLiCount) {
-  if (!pXMLNode) {
+  if (!pXMLNode)
     return false;
-  }
+
   CXFA_TextParseContext* pContext =
       m_textParser.GetParseContextFromMap(pXMLNode);
   FDE_CSSDISPLAY eDisplay = FDE_CSSDISPLAY_None;
@@ -1412,6 +771,7 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
             eDisplay != FDE_CSSDISPLAY_ListItem) {
           return true;
         }
+
         pStyle = m_textParser.ComputeStyle(pXMLNode, pParentStyle);
         InitBreak(bContentNode ? pParentStyle : pStyle, eDisplay, szText.x,
                   pXMLNode, pParentStyle);
@@ -1428,6 +788,7 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
             fSpaceBelow = pRect->bottom.GetValue();
           }
         }
+
         if (wsName == FX_WSTRC(L"a")) {
           CFX_WideString wsLinkContent;
           ASSERT(pElement);
@@ -1439,6 +800,7 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
             wsLinkContent.ReleaseBuffer(wsLinkContent.GetLength());
           }
         }
+
         int32_t iTabCount =
             m_textParser.CountTabs(bContentNode ? pParentStyle : pStyle);
         bool bSpaceRun =
@@ -1450,11 +812,10 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
           wsText = L'\n';
         } else if (wsName == FX_WSTRC(L"li")) {
           bCurLi = true;
-          if (bIsOl) {
+          if (bIsOl)
             wsText.Format(L"%d.  ", iLiCount);
-          } else {
+          else
             wsText = 0x00B7 + FX_WSTRC(L"  ");
-          }
         } else if (!bContentNode) {
           if (iTabCount > 0) {
             while (iTabCount-- > 0)
@@ -1463,10 +824,11 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
             m_textParser.GetEmbbedObj(m_pTextProvider, pXMLNode, wsText);
           }
         }
+
         int32_t iLength = wsText.GetLength();
-        if (iLength > 0 && bContentNode && !bSpaceRun) {
+        if (iLength > 0 && bContentNode && !bSpaceRun)
           ProcessText(wsText);
-        }
+
         if (m_pLoader) {
           if (wsText.GetLength() > 0 &&
               (m_pLoader->m_dwFlags & XFA_LOADERCNTXTFLG_FILTERSPACE)) {
@@ -1484,21 +846,22 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
             m_pLoader->m_dwFlags &= ~XFA_LOADERCNTXTFLG_FILTERSPACE;
           }
         }
+
         if (wsText.GetLength() > 0) {
           if (!m_pLoader || m_pLoader->m_iChar == 0) {
-            if (pLinkData) {
+            if (pLinkData)
               pLinkData->Retain();
-            }
+
             CXFA_TextUserData* pUserData = FXTARGET_NewWith(m_pAllocator.get())
                 CXFA_TextUserData(m_pAllocator.get(),
                                   bContentNode ? pParentStyle : pStyle,
                                   pLinkData);
             m_pBreak->SetUserData(pUserData);
           }
+
           if (AppendChar(wsText, fLinePos, 0, bSavePieces)) {
-            if (m_pLoader) {
+            if (m_pLoader)
               m_pLoader->m_dwFlags &= ~XFA_LOADERCNTXTFLG_FILTERSPACE;
-            }
             if (IsEnd(bSavePieces)) {
               if (m_pLoader && m_pLoader->m_iTotalLines > -1) {
                 m_pLoader->m_pXMLNode = pXMLNode;
@@ -1513,34 +876,31 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
         }
       }
     }
-    bool ret = true;
+
     for (CFDE_XMLNode* pChildNode =
              pXMLNode->GetNodeItem(CFDE_XMLNode::FirstChild);
          pChildNode;
          pChildNode = pChildNode->GetNodeItem(CFDE_XMLNode::NextSibling)) {
-      if (bCurOl) {
+      if (bCurOl)
         iLiCount++;
-      }
-      ret = LoadRichText(pChildNode, szText, fLinePos,
-                         pContext ? pStyle : pParentStyle, bSavePieces,
-                         pLinkData, true, bIsOl, iLiCount);
-      if (ret == false) {
+
+      if (!LoadRichText(pChildNode, szText, fLinePos,
+                        pContext ? pStyle : pParentStyle, bSavePieces,
+                        pLinkData, true, bIsOl, iLiCount))
         return false;
-      }
     }
+
     if (m_pLoader) {
-      if (FDE_CSSDISPLAY_Block == eDisplay) {
+      if (FDE_CSSDISPLAY_Block == eDisplay)
         m_pLoader->m_dwFlags |= XFA_LOADERCNTXTFLG_FILTERSPACE;
-      }
     }
-    if (bCurLi) {
+    if (bCurLi)
       EndBreak(FX_RTFBREAK_LineBreak, fLinePos, bSavePieces);
-    }
   } else {
-    if (pContext) {
+    if (pContext)
       eDisplay = pContext->GetDisplay();
-    }
   }
+
   if (m_bBlockContinue) {
     if (pContext && !bContentNode) {
       uint32_t dwStatus = (eDisplay == FDE_CSSDISPLAY_Block)
@@ -1549,9 +909,8 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
       EndBreak(dwStatus, fLinePos, bSavePieces);
       if (eDisplay == FDE_CSSDISPLAY_Block) {
         fLinePos += fSpaceBelow;
-        if (m_pTabstopContext) {
+        if (m_pTabstopContext)
           m_pTabstopContext->RemoveAll();
-        }
       }
       if (wsName == FX_WSTRC(L"a")) {
         if (pLinkData) {
@@ -1560,9 +919,9 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
         }
       }
       if (IsEnd(bSavePieces)) {
-        if (pStyle) {
+        if (pStyle)
           pStyle->Release();
-        }
+
         if (m_pLoader && m_pLoader->m_iTotalLines > -1) {
           m_pLoader->m_pXMLNode =
               pXMLNode->GetNodeItem(CFDE_XMLNode::NextSibling);
@@ -1574,23 +933,25 @@ bool CXFA_TextLayout::LoadRichText(CFDE_XMLNode* pXMLNode,
   }
   if (pStyle)
     pStyle->Release();
+
   return true;
 }
+
 bool CXFA_TextLayout::AppendChar(const CFX_WideString& wsText,
                                  FX_FLOAT& fLinePos,
                                  FX_FLOAT fSpaceAbove,
                                  bool bSavePieces) {
   uint32_t dwStatus = 0;
   int32_t iChar = 0;
-  if (m_pLoader) {
+  if (m_pLoader)
     iChar = m_pLoader->m_iChar;
-  }
+
   int32_t iLength = wsText.GetLength();
   for (int32_t i = iChar; i < iLength; i++) {
     FX_WCHAR wch = wsText.GetAt(i);
-    if (wch == 0xA0) {
+    if (wch == 0xA0)
       wch = 0x20;
-    }
+
     if ((dwStatus = m_pBreak->AppendChar(wch)) > FX_RTFBREAK_PieceBreak) {
       AppendTextLine(dwStatus, fLinePos, bSavePieces);
       if (IsEnd(bSavePieces)) {
@@ -1598,73 +959,71 @@ bool CXFA_TextLayout::AppendChar(const CFX_WideString& wsText,
           m_pLoader->m_iChar = i;
         return true;
       }
-      if (dwStatus == FX_RTFBREAK_ParagraphBreak && m_bRichText) {
+      if (dwStatus == FX_RTFBREAK_ParagraphBreak && m_bRichText)
         fLinePos += fSpaceAbove;
-      }
     }
   }
-  if (m_pLoader) {
+  if (m_pLoader)
     m_pLoader->m_iChar = 0;
-  }
+
   return false;
 }
+
 bool CXFA_TextLayout::IsEnd(bool bSavePieces) {
-  if (!bSavePieces) {
+  if (!bSavePieces)
     return false;
-  }
-  if (m_pLoader && m_pLoader->m_iTotalLines > 0) {
+  if (m_pLoader && m_pLoader->m_iTotalLines > 0)
     return m_iLines >= m_pLoader->m_iTotalLines;
-  }
   return false;
 }
+
 void CXFA_TextLayout::ProcessText(CFX_WideString& wsText) {
   int32_t iLen = wsText.GetLength();
-  if (iLen == 0) {
+  if (iLen == 0)
     return;
-  }
+
   FX_WCHAR* psz = wsText.GetBuffer(iLen);
   int32_t iTrimLeft = 0;
   FX_WCHAR wch = 0, wPrev = 0;
   for (int32_t i = 0; i < iLen; i++) {
     wch = psz[i];
-    if (wch < 0x20) {
+    if (wch < 0x20)
       wch = 0x20;
-    }
-    if (wch == 0x20 && wPrev == 0x20) {
+    if (wch == 0x20 && wPrev == 0x20)
       continue;
-    }
+
     wPrev = wch;
     psz[iTrimLeft++] = wch;
   }
   wsText.ReleaseBuffer(iLen);
   wsText = wsText.Left(iTrimLeft);
 }
+
 void CXFA_TextLayout::EndBreak(uint32_t dwStatus,
                                FX_FLOAT& fLinePos,
                                bool bSavePieces) {
   dwStatus = m_pBreak->EndBreak(dwStatus);
-  if (dwStatus > FX_RTFBREAK_PieceBreak) {
+  if (dwStatus > FX_RTFBREAK_PieceBreak)
     AppendTextLine(dwStatus, fLinePos, bSavePieces, true);
-  }
 }
+
 void CXFA_TextLayout::DoTabstops(IFDE_CSSComputedStyle* pStyle,
                                  CXFA_PieceLine* pPieceLine) {
-  if (!m_pTabstopContext || m_pTabstopContext->m_iTabCount == 0) {
+  if (!m_pTabstopContext || m_pTabstopContext->m_iTabCount == 0)
     return;
-  }
-  if (!pStyle || !pPieceLine) {
+  if (!pStyle || !pPieceLine)
     return;
-  }
+
   int32_t iPieces = pPieceLine->m_textPieces.GetSize();
-  if (iPieces == 0) {
+  if (iPieces == 0)
     return;
-  }
+
   XFA_TextPiece* pPiece = pPieceLine->m_textPieces.GetAt(iPieces - 1);
   int32_t& iTabstopsIndex = m_pTabstopContext->m_iTabIndex;
   int32_t iCount = m_textParser.CountTabs(pStyle);
-  if (iTabstopsIndex > m_pTabstopContext->m_iTabCount - 1) {
+  if (iTabstopsIndex > m_pTabstopContext->m_iTabCount - 1)
     return;
-  }
+
   if (iCount > 0) {
     iTabstopsIndex++;
     m_pTabstopContext->m_bTabstops = true;
@@ -1689,9 +1048,9 @@ void CXFA_TextLayout::DoTabstops(IFDE_CSSComputedStyle* pStyle,
       } else if (dwAlign == FX_HashCode_GetW(L"decimal", false)) {
         int32_t iChars = pPiece->iChars;
         for (int32_t i = 0; i < iChars; i++) {
-          if (pPiece->pszText[i] == L'.') {
+          if (pPiece->pszText[i] == L'.')
             break;
-          }
+
           fLeft += pPiece->pWidths[i] / 20000.0f;
         }
       }
@@ -1703,22 +1062,23 @@ void CXFA_TextLayout::DoTabstops(IFDE_CSSComputedStyle* pStyle,
     pPiece->rtPiece.left -= m_pTabstopContext->m_fLeft;
   }
 }
+
 void CXFA_TextLayout::AppendTextLine(uint32_t dwStatus,
                                      FX_FLOAT& fLinePos,
                                      bool bSavePieces,
                                      bool bEndBreak) {
   int32_t iPieces = m_pBreak->CountBreakPieces();
-  if (iPieces < 1) {
+  if (iPieces < 1)
     return;
-  }
+
   IFDE_CSSComputedStyle* pStyle = nullptr;
   if (bSavePieces) {
     CXFA_PieceLine* pPieceLine =
         FXTARGET_NewWith(m_pAllocator.get()) CXFA_PieceLine;
     m_pieceLines.Add(pPieceLine);
-    if (m_pTabstopContext) {
+    if (m_pTabstopContext)
       m_pTabstopContext->Reset();
-    }
+
     FX_FLOAT fLineStep = 0, fBaseLine = 0;
     int32_t i = 0;
     for (i = 0; i < iPieces; i++) {
@@ -1727,6 +1087,7 @@ void CXFA_TextLayout::AppendTextLine(uint32_t dwStatus,
       if (pUserData)
         pStyle = pUserData->m_pStyle;
       FX_FLOAT fVerScale = pPiece->m_iVerticalScale / 100.0f;
+
       XFA_TextPiece* pTP = FXTARGET_NewWith(m_pAllocator.get()) XFA_TextPiece();
       pTP->pszText =
           (FX_WCHAR*)m_pAllocator->Alloc(pPiece->m_iChars * sizeof(FX_WCHAR));
@@ -1751,15 +1112,15 @@ void CXFA_TextLayout::AppendTextLine(uint32_t dwStatus,
           m_textParser.GetBaseline(m_pTextProvider, pStyle);
       pTP->rtPiece.top = fBaseLineTemp;
       pPieceLine->m_textPieces.Add(pTP);
+
       FX_FLOAT fLineHeight = m_textParser.GetLineHeight(
           m_pTextProvider, pStyle, m_iLines == 0, fVerScale);
       if (fBaseLineTemp > 0) {
         FX_FLOAT fLineHeightTmp = fBaseLineTemp + pTP->rtPiece.height;
-        if (fLineHeight < fLineHeightTmp) {
+        if (fLineHeight < fLineHeightTmp)
           fLineHeight = fLineHeightTmp;
-        } else {
+        else
           fBaseLineTemp = 0;
-        }
       } else if (fBaseLine < -fBaseLineTemp) {
         fBaseLine = -fBaseLineTemp;
       }
@@ -1810,9 +1171,9 @@ void CXFA_TextLayout::AppendTextLine(uint32_t dwStatus,
       m_pLoader->m_lineHeights.Add(fHeight);
     }
   }
-  if (pStyle) {
+  if (pStyle)
     pStyle->Retain();
-  }
+
   m_pBreak->ClearBreakPieces();
   if (dwStatus == FX_RTFBREAK_ParagraphBreak) {
     m_pBreak->Reset();
@@ -1821,34 +1182,36 @@ void CXFA_TextLayout::AppendTextLine(uint32_t dwStatus,
       if (para) {
         FX_FLOAT fStartPos = para.GetMarginLeft();
         FX_FLOAT fIndent = para.GetTextIndent();
-        if (fIndent > 0) {
+        if (fIndent > 0)
           fStartPos += fIndent;
-        }
+
         FX_FLOAT fSpaceBelow = para.GetSpaceBelow();
-        if (fSpaceBelow < 0.1f) {
+        if (fSpaceBelow < 0.1f)
           fSpaceBelow = 0;
-        }
+
         m_pBreak->SetLineStartPos(fStartPos);
         fLinePos += fSpaceBelow;
       }
     }
   }
+
   if (pStyle) {
     FX_FLOAT fStart = 0;
     const FDE_CSSRECT* pRect = pStyle->GetBoundaryStyles()->GetMarginWidth();
-    if (pRect) {
+    if (pRect)
       fStart = pRect->left.GetValue();
-    }
+
     FX_FLOAT fTextIndent =
         pStyle->GetParagraphStyles()->GetTextIndent().GetValue();
-    if (fTextIndent < 0) {
+    if (fTextIndent < 0)
       fStart -= fTextIndent;
-    }
+
     m_pBreak->SetLineStartPos(fStart);
     pStyle->Release();
   }
   m_iLines++;
 }
+
 void CXFA_TextLayout::RenderString(CFDE_RenderDevice* pDevice,
                                    CFDE_Brush* pBrush,
                                    CXFA_PieceLine* pPieceLine,
@@ -1874,9 +1237,9 @@ void CXFA_TextLayout::RenderPath(CFDE_RenderDevice* pDevice,
   XFA_TextPiece* pPiece = pPieceLine->m_textPieces.GetAt(iPiece);
   bool bNoUnderline = pPiece->iUnderline < 1 || pPiece->iUnderline > 2;
   bool bNoLineThrough = pPiece->iLineThrough < 1 || pPiece->iLineThrough > 2;
-  if (bNoUnderline && bNoLineThrough) {
+  if (bNoUnderline && bNoLineThrough)
     return;
-  }
+
   pPen->SetColor(pPiece->dwColor);
   std::unique_ptr<CFDE_Path> pPath(new CFDE_Path);
   int32_t iChars = GetDisplayPos(pPiece, pCharPos);
@@ -1924,38 +1287,37 @@ void CXFA_TextLayout::RenderPath(CFDE_RenderDevice* pDevice,
     while (iPiecePrev > 0) {
       iPiecePrev--;
       iCharsTmp = pPieceLine->m_charCounts.GetAt(iPiecePrev);
-      if (iCharsTmp > 0) {
+      if (iCharsTmp > 0)
         break;
-      }
     }
-    if (iCharsTmp == 0) {
+    if (iCharsTmp == 0)
       return;
-    }
+
     iCharsTmp = 0;
     int32_t iPieces = pPieceLine->m_textPieces.GetSize();
     while (iPieceNext < iPieces - 1) {
       iPieceNext++;
       iCharsTmp = pPieceLine->m_charCounts.GetAt(iPieceNext);
-      if (iCharsTmp > 0) {
+      if (iCharsTmp > 0)
         break;
-      }
     }
-    if (iCharsTmp == 0) {
+    if (iCharsTmp == 0)
       return;
-    }
-    FX_FLOAT fOrgX = 0.0f, fEndX = 0.0f;
+
+    FX_FLOAT fOrgX = 0.0f;
+    FX_FLOAT fEndX = 0.0f;
     pPiece = pPieceLine->m_textPieces.GetAt(iPiecePrev);
     iChars = GetDisplayPos(pPiece, pCharPos);
-    if (iChars < 1) {
+    if (iChars < 1)
       return;
-    }
+
     fOrgX = pCharPos[iChars - 1].m_OriginX +
             pCharPos[iChars - 1].m_FontCharWidth * pPiece->fFontSize / 1000.0f;
     pPiece = pPieceLine->m_textPieces.GetAt(iPieceNext);
     iChars = GetDisplayPos(pPiece, pCharPos);
-    if (iChars < 1) {
+    if (iChars < 1)
       return;
-    }
+
     fEndX = pCharPos[0].m_OriginX;
     CFX_PointF pt1, pt2;
     pt1.x = fOrgX, pt2.x = fEndX;
@@ -1978,20 +1340,20 @@ void CXFA_TextLayout::RenderPath(CFDE_RenderDevice* pDevice,
 int32_t CXFA_TextLayout::GetDisplayPos(const XFA_TextPiece* pPiece,
                                        FXTEXT_CHARPOS* pCharPos,
                                        bool bCharCode) {
-  if (!pPiece) {
+  if (!pPiece)
     return 0;
-  }
+
   FX_RTFTEXTOBJ tr;
-  if (!ToRun(pPiece, tr)) {
+  if (!ToRun(pPiece, tr))
     return 0;
-  }
   return m_pBreak->GetDisplayPos(&tr, pCharPos, bCharCode);
 }
+
 bool CXFA_TextLayout::ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ& tr) {
   int32_t iLength = pPiece->iChars;
-  if (iLength < 1) {
+  if (iLength < 1)
     return false;
-  }
+
   tr.pStr = pPiece->pszText;
   tr.pFont = pPiece->pFont;
   tr.pRect = &pPiece->rtPiece;
@@ -2006,106 +1368,3 @@ bool CXFA_TextLayout::ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ& tr) {
   tr.iHorizontalScale = pPiece->iHorScale;
   return true;
 }
-
-CXFA_LinkUserData::CXFA_LinkUserData(IFX_MemoryAllocator* pAllocator,
-                                     FX_WCHAR* pszText)
-    : m_pAllocator(pAllocator), m_dwRefCount(1), m_wsURLContent(pszText) {}
-
-CXFA_LinkUserData::~CXFA_LinkUserData() {}
-
-uint32_t CXFA_LinkUserData::Retain() {
-  return ++m_dwRefCount;
-}
-
-uint32_t CXFA_LinkUserData::Release() {
-  uint32_t dwRefCount = --m_dwRefCount;
-  if (dwRefCount <= 0)
-    FXTARGET_DeleteWith(CXFA_LinkUserData, m_pAllocator, this);
-  return dwRefCount;
-}
-
-const FX_WCHAR* CXFA_LinkUserData::GetLinkURL() {
-  return m_wsURLContent.c_str();
-}
-
-CXFA_TextUserData::CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
-                                     IFDE_CSSComputedStyle* pStyle)
-    : m_pStyle(pStyle),
-      m_pLinkData(nullptr),
-      m_pAllocator(pAllocator),
-      m_dwRefCount(0) {
-  ASSERT(m_pAllocator);
-  if (m_pStyle)
-    m_pStyle->Retain();
-}
-
-CXFA_TextUserData::CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
-                                     IFDE_CSSComputedStyle* pStyle,
-                                     CXFA_LinkUserData* pLinkData)
-    : m_pStyle(pStyle),
-      m_pLinkData(pLinkData),
-      m_pAllocator(pAllocator),
-      m_dwRefCount(0) {
-  ASSERT(m_pAllocator);
-  if (m_pStyle)
-    m_pStyle->Retain();
-}
-
-CXFA_TextUserData::~CXFA_TextUserData() {
-  if (m_pStyle)
-    m_pStyle->Release();
-  if (m_pLinkData)
-    m_pLinkData->Release();
-}
-
-uint32_t CXFA_TextUserData::Retain() {
-  return ++m_dwRefCount;
-}
-
-uint32_t CXFA_TextUserData::Release() {
-  uint32_t dwRefCount = --m_dwRefCount;
-  if (dwRefCount == 0)
-    FXTARGET_DeleteWith(CXFA_TextUserData, m_pAllocator, this);
-  return dwRefCount;
-}
-
-CXFA_PieceLine::CXFA_PieceLine() {}
-
-CXFA_PieceLine::~CXFA_PieceLine() {}
-
-CXFA_TextTabstopsContext::CXFA_TextTabstopsContext()
-    : m_iTabCount(0),
-      m_iTabIndex(-1),
-      m_bTabstops(false),
-      m_fTabWidth(0),
-      m_fLeft(0) {}
-
-CXFA_TextTabstopsContext::~CXFA_TextTabstopsContext() {}
-
-void CXFA_TextTabstopsContext::Append(uint32_t dwAlign, FX_FLOAT fTabstops) {
-  int32_t i = 0;
-  for (i = 0; i < m_iTabCount; i++) {
-    XFA_TABSTOPS* pTabstop = m_tabstops.GetDataPtr(i);
-    if (fTabstops < pTabstop->fTabstops) {
-      break;
-    }
-  }
-  m_tabstops.InsertSpaceAt(i, 1);
-  XFA_TABSTOPS tabstop;
-  tabstop.dwAlign = dwAlign;
-  tabstop.fTabstops = fTabstops;
-  m_tabstops.SetAt(i, tabstop);
-  m_iTabCount++;
-}
-
-void CXFA_TextTabstopsContext::RemoveAll() {
-  m_tabstops.RemoveAll();
-  m_iTabCount = 0;
-}
-
-void CXFA_TextTabstopsContext::Reset() {
-  m_iTabIndex = -1;
-  m_bTabstops = false;
-  m_fTabWidth = 0;
-  m_fLeft = 0;
-}
diff --git a/xfa/fxfa/app/cxfa_textlayout.h b/xfa/fxfa/app/cxfa_textlayout.h
new file mode 100644
index 0000000000..e21a5de424
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textlayout.h
@@ -0,0 +1,135 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_TEXTLAYOUT_H_
+#define XFA_FXFA_APP_CXFA_TEXTLAYOUT_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_string.h"
+#include "xfa/fde/css/fde_css.h"
+#include "xfa/fgas/layout/fgas_rtfbreak.h"
+#include "xfa/fxfa/app/cxfa_textparser.h"
+
+class CFDE_Brush;
+class CFDE_Pen;
+class CFDE_RenderDevice;
+class CFDE_XMLNode;
+class CFX_RTFBreak;
+class CXFA_LoaderContext;
+class CXFA_LinkUserData;
+class CXFA_Node;
+class CXFA_PieceLine;
+class CXFA_TextProvider;
+class CXFA_TextTabstopsContext;
+class IFDE_CSSComputedStyle;
+class IFX_MemoryAllocator;
+class XFA_TextPiece;
+
+class CXFA_TextLayout {
+ public:
+  explicit CXFA_TextLayout(CXFA_TextProvider* pTextProvider);
+  ~CXFA_TextLayout();
+
+  int32_t GetText(CFX_WideString& wsText);
+  FX_FLOAT GetLayoutHeight();
+  FX_FLOAT StartLayout(FX_FLOAT fWidth = -1);
+  bool DoLayout(int32_t iBlockIndex,
+                FX_FLOAT& fCalcHeight,
+                FX_FLOAT fContentAreaHeight = -1,
+                FX_FLOAT fTextHeight = -1);
+
+  bool CalcSize(const CFX_SizeF& minSize,
+                const CFX_SizeF& maxSize,
+                CFX_SizeF& defaultSize);
+  bool Layout(const CFX_SizeF& size, FX_FLOAT* fHeight = nullptr);
+  void ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex);
+  bool DrawString(CFX_RenderDevice* pFxDevice,
+                  const CFX_Matrix& tmDoc2Device,
+                  const CFX_RectF& rtClip,
+                  int32_t iBlock = 0);
+  bool IsLoaded() const { return m_pieceLines.GetSize() > 0; }
+  void Unload();
+  const CFX_ArrayTemplate<CXFA_PieceLine*>* GetPieceLines();
+
+  bool m_bHasBlock;
+  CFX_Int32Array m_Blocks;
+
+ private:
+  void GetTextDataNode();
+  CFDE_XMLNode* GetXMLContainerNode();
+  CFX_RTFBreak* CreateBreak(bool bDefault);
+  void InitBreak(FX_FLOAT fLineWidth);
+  void InitBreak(IFDE_CSSComputedStyle* pStyle,
+                 FDE_CSSDISPLAY eDisplay,
+                 FX_FLOAT fLineWidth,
+                 CFDE_XMLNode* pXMLNode,
+                 IFDE_CSSComputedStyle* pParentStyle = nullptr);
+  bool Loader(const CFX_SizeF& szText,
+              FX_FLOAT& fLinePos,
+              bool bSavePieces = true);
+  void LoadText(CXFA_Node* pNode,
+                const CFX_SizeF& szText,
+                FX_FLOAT& fLinePos,
+                bool bSavePieces);
+  bool LoadRichText(CFDE_XMLNode* pXMLNode,
+                    const CFX_SizeF& szText,
+                    FX_FLOAT& fLinePos,
+                    IFDE_CSSComputedStyle* pParentStyle,
+                    bool bSavePieces,
+                    CXFA_LinkUserData* pLinkData = nullptr,
+                    bool bEndBreak = true,
+                    bool bIsOl = false,
+                    int32_t iLiCount = 0);
+  bool AppendChar(const CFX_WideString& wsText,
+                  FX_FLOAT& fLinePos,
+                  FX_FLOAT fSpaceAbove,
+                  bool bSavePieces);
+  void AppendTextLine(uint32_t dwStatus,
+                      FX_FLOAT& fLinePos,
+                      bool bSavePieces,
+                      bool bEndBreak = false);
+  void EndBreak(uint32_t dwStatus, FX_FLOAT& fLinePos, bool bDefault);
+  bool IsEnd(bool bSavePieces);
+  void ProcessText(CFX_WideString& wsText);
+  void UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom);
+  void RenderString(CFDE_RenderDevice* pDevice,
+                    CFDE_Brush* pBrush,
+                    CXFA_PieceLine* pPieceLine,
+                    int32_t iPiece,
+                    FXTEXT_CHARPOS* pCharPos,
+                    const CFX_Matrix& tmDoc2Device);
+  void RenderPath(CFDE_RenderDevice* pDevice,
+                  CFDE_Pen* pPen,
+                  CXFA_PieceLine* pPieceLine,
+                  int32_t iPiece,
+                  FXTEXT_CHARPOS* pCharPos,
+                  const CFX_Matrix& tmDoc2Device);
+  int32_t GetDisplayPos(const XFA_TextPiece* pPiece,
+                        FXTEXT_CHARPOS* pCharPos,
+                        bool bCharCode = false);
+  bool ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ& tr);
+  void DoTabstops(IFDE_CSSComputedStyle* pStyle, CXFA_PieceLine* pPieceLine);
+  bool Layout(int32_t iBlock);
+  int32_t CountBlocks() const;
+
+  CXFA_TextProvider* m_pTextProvider;
+  CXFA_Node* m_pTextDataNode;
+  bool m_bRichText;
+  std::unique_ptr<IFX_MemoryAllocator> m_pAllocator;
+  std::unique_ptr<CFX_RTFBreak> m_pBreak;
+  std::unique_ptr<CXFA_LoaderContext> m_pLoader;
+  int32_t m_iLines;
+  FX_FLOAT m_fMaxWidth;
+  CXFA_TextParser m_textParser;
+  CFX_ArrayTemplate<CXFA_PieceLine*> m_pieceLines;
+  std::unique_ptr<CXFA_TextTabstopsContext> m_pTabstopContext;
+  bool m_bBlockContinue;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_TEXTLAYOUT_H_
diff --git a/xfa/fxfa/app/cxfa_textparsecontext.cpp b/xfa/fxfa/app/cxfa_textparsecontext.cpp
new file mode 100644
index 0000000000..b0dc655f00
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textparsecontext.cpp
@@ -0,0 +1,32 @@
+// 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/fxfa/app/cxfa_textparsecontext.h"
+
+#include "xfa/fde/css/fde_cssdeclaration.h"
+
+CXFA_TextParseContext::CXFA_TextParseContext()
+    : m_pParentStyle(nullptr),
+      m_ppMatchedDecls(nullptr),
+      m_dwMatchedDecls(0),
+      m_eDisplay(FDE_CSSDISPLAY_None) {}
+
+CXFA_TextParseContext::~CXFA_TextParseContext() {
+  if (m_pParentStyle)
+    m_pParentStyle->Release();
+  FX_Free(m_ppMatchedDecls);
+}
+
+void CXFA_TextParseContext::SetDecls(const CFDE_CSSDeclaration** ppDeclArray,
+                                     int32_t iDeclCount) {
+  if (iDeclCount <= 0 || !ppDeclArray)
+    return;
+
+  m_dwMatchedDecls = iDeclCount;
+  m_ppMatchedDecls = FX_Alloc(CFDE_CSSDeclaration*, iDeclCount);
+  FXSYS_memcpy(m_ppMatchedDecls, ppDeclArray,
+               iDeclCount * sizeof(CFDE_CSSDeclaration*));
+}
diff --git a/xfa/fxfa/app/cxfa_textparsecontext.h b/xfa/fxfa/app/cxfa_textparsecontext.h
new file mode 100644
index 0000000000..2eafacc8fe
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textparsecontext.h
@@ -0,0 +1,38 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_TEXTPARSECONTEXT_H_
+#define XFA_FXFA_APP_CXFA_TEXTPARSECONTEXT_H_
+
+#include "xfa/fde/css/fde_css.h"
+#include "xfa/fgas/crt/fgas_memory.h"
+
+class CFDE_CSSDeclaration;
+class IFDE_CSSComputedStyle;
+
+class CXFA_TextParseContext : public CFX_Target {
+ public:
+  CXFA_TextParseContext();
+  ~CXFA_TextParseContext() override;
+
+  void SetDisplay(FDE_CSSDISPLAY eDisplay) { m_eDisplay = eDisplay; }
+  FDE_CSSDISPLAY GetDisplay() const { return m_eDisplay; }
+
+  void SetDecls(const CFDE_CSSDeclaration** ppDeclArray, int32_t iDeclCount);
+  const CFDE_CSSDeclaration** GetDecls() {
+    return const_cast<const CFDE_CSSDeclaration**>(m_ppMatchedDecls);
+  }
+  uint32_t CountDecls() const { return m_dwMatchedDecls; }
+
+  IFDE_CSSComputedStyle* m_pParentStyle;
+
+ protected:
+  CFDE_CSSDeclaration** m_ppMatchedDecls;
+  uint32_t m_dwMatchedDecls;
+  FDE_CSSDISPLAY m_eDisplay;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_TEXTPARSECONTEXT_H_
diff --git a/xfa/fxfa/app/cxfa_textparser.cpp b/xfa/fxfa/app/cxfa_textparser.cpp
new file mode 100644
index 0000000000..b865e5e576
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textparser.cpp
@@ -0,0 +1,659 @@
+// 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/fxfa/app/cxfa_textparser.h"
+
+#include <algorithm>
+
+#include "third_party/base/ptr_util.h"
+#include "xfa/fde/css/fde_css.h"
+#include "xfa/fde/css/fde_cssstyleselector.h"
+#include "xfa/fgas/crt/fgas_codepage.h"
+#include "xfa/fgas/font/cfgas_fontmgr.h"
+#include "xfa/fxfa/app/cxfa_csstagprovider.h"
+#include "xfa/fxfa/app/cxfa_textparsecontext.h"
+#include "xfa/fxfa/app/cxfa_texttabstopscontext.h"
+#include "xfa/fxfa/app/xfa_ffwidgetacc.h"
+#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/xfa_ffapp.h"
+#include "xfa/fxfa/xfa_ffdoc.h"
+#include "xfa/fxfa/xfa_fontmgr.h"
+
+namespace {
+
+enum class TabStopStatus {
+  Error,
+  EOS,
+  None,
+  Alignment,
+  StartLeader,
+  Leader,
+  Location,
+};
+
+}  // namespace
+
+CXFA_TextParser::CXFA_TextParser() : m_pUASheet(nullptr) {}
+
+CXFA_TextParser::~CXFA_TextParser() {
+  if (m_pUASheet)
+    m_pUASheet->Release();
+
+  for (auto& pair : m_mapXMLNodeToParseContext) {
+    if (pair.second) {
+      FXTARGET_DeleteWith(CXFA_TextParseContext, m_pAllocator.get(),
+                          pair.second);
+    }
+  }
+}
+
+void CXFA_TextParser::Reset() {
+  for (auto& pair : m_mapXMLNodeToParseContext) {
+    if (pair.second) {
+      FXTARGET_DeleteWith(CXFA_TextParseContext, m_pAllocator.get(),
+                          pair.second);
+    }
+  }
+  m_mapXMLNodeToParseContext.clear();
+  m_pAllocator.reset();
+}
+void CXFA_TextParser::InitCSSData(CXFA_TextProvider* pTextProvider) {
+  if (!pTextProvider)
+    return;
+
+  if (!m_pSelector) {
+    CXFA_FFDoc* pDoc = pTextProvider->GetDocNode();
+    CFGAS_FontMgr* pFontMgr = pDoc->GetApp()->GetFDEFontMgr();
+    ASSERT(pFontMgr);
+    m_pSelector = pdfium::MakeUnique<CFDE_CSSStyleSelector>(pFontMgr);
+    FX_FLOAT fFontSize = 10;
+    CXFA_Font font = pTextProvider->GetFontNode();
+    if (font) {
+      fFontSize = font.GetFontSize();
+    }
+    m_pSelector->SetDefFontSize(fFontSize);
+  }
+
+  if (!m_pUASheet) {
+    m_pUASheet = LoadDefaultSheetStyle();
+    m_pSelector->SetStyleSheet(FDE_CSSSTYLESHEETGROUP_UserAgent, m_pUASheet);
+    m_pSelector->UpdateStyleIndex(FDE_CSSMEDIATYPE_ALL);
+  }
+}
+
+IFDE_CSSStyleSheet* CXFA_TextParser::LoadDefaultSheetStyle() {
+  static const FX_WCHAR s_pStyle[] =
+      L"html,body,ol,p,ul{display:block}"
+      L"li{display:list-item}"
+      L"ol,ul{padding-left:33px}ol{list-style-type:decimal}ol,ul{margin-top:0;"
+      L"margin-bottom:0}ul,ol{margin:1.12em 0}"
+      L"a{color:#0000ff;text-decoration:underline}b{font-weight:bolder}i{font-"
+      L"style:italic}"
+      L"sup{vertical-align:+15em;font-size:.66em}sub{vertical-align:-15em;font-"
+      L"size:.66em}";
+  return IFDE_CSSStyleSheet::LoadFromBuffer(
+      CFX_WideString(), s_pStyle, FXSYS_wcslen(s_pStyle), FX_CODEPAGE_UTF8);
+}
+
+IFDE_CSSComputedStyle* CXFA_TextParser::CreateRootStyle(
+    CXFA_TextProvider* pTextProvider) {
+  CXFA_Font font = pTextProvider->GetFontNode();
+  CXFA_Para para = pTextProvider->GetParaNode();
+  IFDE_CSSComputedStyle* pStyle = m_pSelector->CreateComputedStyle(nullptr);
+  IFDE_CSSFontStyle* pFontStyle = pStyle->GetFontStyles();
+  IFDE_CSSParagraphStyle* pParaStyle = pStyle->GetParagraphStyles();
+  FX_FLOAT fLineHeight = 0;
+  FX_FLOAT fFontSize = 10;
+
+  if (para) {
+    fLineHeight = para.GetLineHeight();
+    FDE_CSSLENGTH indent;
+    indent.Set(FDE_CSSLENGTHUNIT_Point, para.GetTextIndent());
+    pParaStyle->SetTextIndent(indent);
+    FDE_CSSTEXTALIGN hAlign = FDE_CSSTEXTALIGN_Left;
+    switch (para.GetHorizontalAlign()) {
+      case XFA_ATTRIBUTEENUM_Center:
+        hAlign = FDE_CSSTEXTALIGN_Center;
+        break;
+      case XFA_ATTRIBUTEENUM_Right:
+        hAlign = FDE_CSSTEXTALIGN_Right;
+        break;
+      case XFA_ATTRIBUTEENUM_Justify:
+        hAlign = FDE_CSSTEXTALIGN_Justify;
+        break;
+      case XFA_ATTRIBUTEENUM_JustifyAll:
+        hAlign = FDE_CSSTEXTALIGN_JustifyAll;
+        break;
+    }
+    pParaStyle->SetTextAlign(hAlign);
+    FDE_CSSRECT rtMarginWidth;
+    rtMarginWidth.left.Set(FDE_CSSLENGTHUNIT_Point, para.GetMarginLeft());
+    rtMarginWidth.top.Set(FDE_CSSLENGTHUNIT_Point, para.GetSpaceAbove());
+    rtMarginWidth.right.Set(FDE_CSSLENGTHUNIT_Point, para.GetMarginRight());
+    rtMarginWidth.bottom.Set(FDE_CSSLENGTHUNIT_Point, para.GetSpaceBelow());
+    pStyle->GetBoundaryStyles()->SetMarginWidth(rtMarginWidth);
+  }
+
+  if (font) {
+    pFontStyle->SetColor(font.GetColor());
+    pFontStyle->SetFontStyle(font.IsItalic() ? FDE_CSSFONTSTYLE_Italic
+                                             : FDE_CSSFONTSTYLE_Normal);
+    pFontStyle->SetFontWeight(font.IsBold() ? FXFONT_FW_BOLD
+                                            : FXFONT_FW_NORMAL);
+    pParaStyle->SetNumberVerticalAlign(-font.GetBaselineShift());
+    fFontSize = font.GetFontSize();
+    FDE_CSSLENGTH letterSpacing;
+    letterSpacing.Set(FDE_CSSLENGTHUNIT_Point, font.GetLetterSpacing());
+    pParaStyle->SetLetterSpacing(letterSpacing);
+    uint32_t dwDecoration = 0;
+    if (font.GetLineThrough() > 0)
+      dwDecoration |= FDE_CSSTEXTDECORATION_LineThrough;
+    if (font.GetUnderline() > 1)
+      dwDecoration |= FDE_CSSTEXTDECORATION_Double;
+    else if (font.GetUnderline() > 0)
+      dwDecoration |= FDE_CSSTEXTDECORATION_Underline;
+
+    pParaStyle->SetTextDecoration(dwDecoration);
+  }
+  pParaStyle->SetLineHeight(fLineHeight);
+  pFontStyle->SetFontSize(fFontSize);
+  return pStyle;
+}
+
+IFDE_CSSComputedStyle* CXFA_TextParser::CreateStyle(
+    IFDE_CSSComputedStyle* pParentStyle) {
+  IFDE_CSSComputedStyle* pNewStyle =
+      m_pSelector->CreateComputedStyle(pParentStyle);
+  ASSERT(pNewStyle);
+  if (!pParentStyle)
+    return pNewStyle;
+
+  IFDE_CSSParagraphStyle* pParaStyle = pParentStyle->GetParagraphStyles();
+  uint32_t dwDecoration = pParaStyle->GetTextDecoration();
+  FX_FLOAT fBaseLine = 0;
+  if (pParaStyle->GetVerticalAlign() == FDE_CSSVERTICALALIGN_Number)
+    fBaseLine = pParaStyle->GetNumberVerticalAlign();
+
+  pParaStyle = pNewStyle->GetParagraphStyles();
+  pParaStyle->SetTextDecoration(dwDecoration);
+  pParaStyle->SetNumberVerticalAlign(fBaseLine);
+
+  IFDE_CSSBoundaryStyle* pBoundarytyle = pParentStyle->GetBoundaryStyles();
+  const FDE_CSSRECT* pRect = pBoundarytyle->GetMarginWidth();
+  if (pRect) {
+    pBoundarytyle = pNewStyle->GetBoundaryStyles();
+    pBoundarytyle->SetMarginWidth(*pRect);
+  }
+  return pNewStyle;
+}
+
+IFDE_CSSComputedStyle* CXFA_TextParser::ComputeStyle(
+    CFDE_XMLNode* pXMLNode,
+    IFDE_CSSComputedStyle* pParentStyle) {
+  auto it = m_mapXMLNodeToParseContext.find(pXMLNode);
+  if (it == m_mapXMLNodeToParseContext.end())
+    return nullptr;
+
+  CXFA_TextParseContext* pContext = it->second;
+  if (!pContext)
+    return nullptr;
+
+  pContext->m_pParentStyle = pParentStyle;
+  pParentStyle->Retain();
+
+  CXFA_CSSTagProvider tagProvider;
+  ParseTagInfo(pXMLNode, tagProvider);
+  if (tagProvider.m_bContent)
+    return nullptr;
+
+  IFDE_CSSComputedStyle* pStyle = CreateStyle(pParentStyle);
+  CFDE_CSSAccelerator* pCSSAccel = m_pSelector->InitAccelerator();
+  pCSSAccel->OnEnterTag(&tagProvider);
+  m_pSelector->ComputeStyle(&tagProvider, pContext->GetDecls(),
+                            pContext->CountDecls(), pStyle);
+  pCSSAccel->OnLeaveTag(&tagProvider);
+  return pStyle;
+}
+
+void CXFA_TextParser::DoParse(CFDE_XMLNode* pXMLContainer,
+                              CXFA_TextProvider* pTextProvider) {
+  if (!pXMLContainer || !pTextProvider || m_pAllocator)
+    return;
+
+  m_pAllocator = IFX_MemoryAllocator::Create(FX_ALLOCTYPE_Fixed, 32,
+                                             sizeof(CXFA_CSSTagProvider));
+  InitCSSData(pTextProvider);
+  IFDE_CSSComputedStyle* pRootStyle = CreateRootStyle(pTextProvider);
+  ParseRichText(pXMLContainer, pRootStyle);
+  pRootStyle->Release();
+}
+
+void CXFA_TextParser::ParseRichText(CFDE_XMLNode* pXMLNode,
+                                    IFDE_CSSComputedStyle* pParentStyle) {
+  if (!pXMLNode)
+    return;
+
+  CXFA_CSSTagProvider tagProvider;
+  ParseTagInfo(pXMLNode, tagProvider);
+  if (!tagProvider.m_bTagAvailable)
+    return;
+
+  IFDE_CSSComputedStyle* pNewStyle = nullptr;
+  if ((tagProvider.GetTagName() != FX_WSTRC(L"body")) ||
+      (tagProvider.GetTagName() != FX_WSTRC(L"html"))) {
+    CXFA_TextParseContext* pTextContext =
+        FXTARGET_NewWith(m_pAllocator.get()) CXFA_TextParseContext;
+    FDE_CSSDISPLAY eDisplay = FDE_CSSDISPLAY_Inline;
+    if (!tagProvider.m_bContent) {
+      pNewStyle = CreateStyle(pParentStyle);
+      CFDE_CSSAccelerator* pCSSAccel = m_pSelector->InitAccelerator();
+      pCSSAccel->OnEnterTag(&tagProvider);
+      CFDE_CSSDeclarationArray DeclArray;
+      int32_t iMatchedDecls =
+          m_pSelector->MatchDeclarations(&tagProvider, DeclArray);
+      const CFDE_CSSDeclaration** ppMatchDecls =
+          const_cast<const CFDE_CSSDeclaration**>(DeclArray.GetData());
+      m_pSelector->ComputeStyle(&tagProvider, ppMatchDecls, iMatchedDecls,
+                                pNewStyle);
+      pCSSAccel->OnLeaveTag(&tagProvider);
+      if (iMatchedDecls > 0)
+        pTextContext->SetDecls(ppMatchDecls, iMatchedDecls);
+
+      eDisplay = pNewStyle->GetPositionStyles()->GetDisplay();
+    }
+    pTextContext->SetDisplay(eDisplay);
+    m_mapXMLNodeToParseContext[pXMLNode] = pTextContext;
+  }
+
+  for (CFDE_XMLNode* pXMLChild =
+           pXMLNode->GetNodeItem(CFDE_XMLNode::FirstChild);
+       pXMLChild;
+       pXMLChild = pXMLChild->GetNodeItem(CFDE_XMLNode::NextSibling)) {
+    ParseRichText(pXMLChild, pNewStyle);
+  }
+  if (pNewStyle)
+    pNewStyle->Release();
+}
+
+bool CXFA_TextParser::TagValidate(const CFX_WideString& wsName) const {
+  static const uint32_t s_XFATagName[] = {
+      0x61,        // a
+      0x62,        // b
+      0x69,        // i
+      0x70,        // p
+      0x0001f714,  // br
+      0x00022a55,  // li
+      0x000239bb,  // ol
+      0x00025881,  // ul
+      0x0bd37faa,  // sub
+      0x0bd37fb8,  // sup
+      0xa73e3af2,  // span
+      0xb182eaae,  // body
+      0xdb8ac455,  // html
+  };
+  static const int32_t s_iCount = FX_ArraySize(s_XFATagName);
+
+  return std::binary_search(s_XFATagName, s_XFATagName + s_iCount,
+                            FX_HashCode_GetW(wsName.AsStringC(), true));
+}
+
+void CXFA_TextParser::ParseTagInfo(CFDE_XMLNode* pXMLNode,
+                                   CXFA_CSSTagProvider& tagProvider) {
+  CFX_WideString wsName;
+  if (pXMLNode->GetType() == FDE_XMLNODE_Element) {
+    CFDE_XMLElement* pXMLElement = static_cast<CFDE_XMLElement*>(pXMLNode);
+    pXMLElement->GetLocalTagName(wsName);
+    tagProvider.SetTagNameObj(wsName);
+    tagProvider.m_bTagAvailable = TagValidate(wsName);
+
+    CFX_WideString wsValue;
+    pXMLElement->GetString(L"style", wsValue);
+    if (!wsValue.IsEmpty())
+      tagProvider.SetAttribute(L"style", wsValue);
+  } else if (pXMLNode->GetType() == FDE_XMLNODE_Text) {
+    tagProvider.m_bTagAvailable = true;
+    tagProvider.m_bContent = true;
+  }
+}
+
+int32_t CXFA_TextParser::GetVAlign(CXFA_TextProvider* pTextProvider) const {
+  CXFA_Para para = pTextProvider->GetParaNode();
+  return para ? para.GetVerticalAlign() : XFA_ATTRIBUTEENUM_Top;
+}
+
+FX_FLOAT CXFA_TextParser::GetTabInterval(IFDE_CSSComputedStyle* pStyle) const {
+  CFX_WideString wsValue;
+  if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"tab-interval"), wsValue))
+    return CXFA_Measurement(wsValue.AsStringC()).ToUnit(XFA_UNIT_Pt);
+  return 36;
+}
+
+int32_t CXFA_TextParser::CountTabs(IFDE_CSSComputedStyle* pStyle) const {
+  CFX_WideString wsValue;
+  if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"xfa-tab-count"), wsValue))
+    return wsValue.GetInteger();
+  return 0;
+}
+
+bool CXFA_TextParser::IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const {
+  CFX_WideString wsValue;
+  if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"xfa-spacerun"), wsValue)) {
+    wsValue.MakeLower();
+    return wsValue == FX_WSTRC(L"yes");
+  }
+  return false;
+}
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_TextParser::GetFont(
+    CXFA_TextProvider* pTextProvider,
+    IFDE_CSSComputedStyle* pStyle) const {
+  CFX_WideStringC wsFamily = FX_WSTRC(L"Courier");
+  uint32_t dwStyle = 0;
+  CXFA_Font font = pTextProvider->GetFontNode();
+  if (font) {
+    font.GetTypeface(wsFamily);
+    if (font.IsBold())
+      dwStyle |= FX_FONTSTYLE_Bold;
+    if (font.IsItalic())
+      dwStyle |= FX_FONTSTYLE_Italic;
+  }
+
+  if (pStyle) {
+    IFDE_CSSFontStyle* pFontStyle = pStyle->GetFontStyles();
+    int32_t iCount = pFontStyle->CountFontFamilies();
+    if (iCount > 0)
+      wsFamily = pFontStyle->GetFontFamily(iCount - 1);
+
+    dwStyle = 0;
+    if (pFontStyle->GetFontWeight() > FXFONT_FW_NORMAL)
+      dwStyle |= FX_FONTSTYLE_Bold;
+    if (pFontStyle->GetFontStyle() == FDE_CSSFONTSTYLE_Italic)
+      dwStyle |= FX_FONTSTYLE_Italic;
+  }
+
+  CXFA_FFDoc* pDoc = pTextProvider->GetDocNode();
+  CXFA_FontMgr* pFontMgr = pDoc->GetApp()->GetXFAFontMgr();
+  return pFontMgr->GetFont(pDoc, wsFamily, dwStyle);
+}
+
+FX_FLOAT CXFA_TextParser::GetFontSize(CXFA_TextProvider* pTextProvider,
+                                      IFDE_CSSComputedStyle* pStyle) const {
+  if (pStyle)
+    return pStyle->GetFontStyles()->GetFontSize();
+
+  CXFA_Font font = pTextProvider->GetFontNode();
+  if (font)
+    return font.GetFontSize();
+  return 10;
+}
+
+int32_t CXFA_TextParser::GetHorScale(CXFA_TextProvider* pTextProvider,
+                                     IFDE_CSSComputedStyle* pStyle,
+                                     CFDE_XMLNode* pXMLNode) const {
+  if (pStyle) {
+    CFX_WideString wsValue;
+    if (pStyle->GetCustomStyle(L"xfa-font-horizontal-scale", wsValue))
+      return wsValue.GetInteger();
+
+    while (pXMLNode) {
+      auto it = m_mapXMLNodeToParseContext.find(pXMLNode);
+      if (it != m_mapXMLNodeToParseContext.end()) {
+        CXFA_TextParseContext* pContext = it->second;
+        if (pContext && pContext->m_pParentStyle &&
+            pContext->m_pParentStyle->GetCustomStyle(
+                L"xfa-font-horizontal-scale", wsValue)) {
+          return wsValue.GetInteger();
+        }
+      }
+      pXMLNode = pXMLNode->GetNodeItem(CFDE_XMLNode::Parent);
+    }
+  }
+
+  if (CXFA_Font font = pTextProvider->GetFontNode())
+    return static_cast<int32_t>(font.GetHorizontalScale());
+  return 100;
+}
+
+int32_t CXFA_TextParser::GetVerScale(CXFA_TextProvider* pTextProvider,
+                                     IFDE_CSSComputedStyle* pStyle) const {
+  if (pStyle) {
+    CFX_WideString wsValue;
+    if (pStyle->GetCustomStyle(FX_WSTRC(L"xfa-font-vertical-scale"), wsValue))
+      return wsValue.GetInteger();
+  }
+
+  if (CXFA_Font font = pTextProvider->GetFontNode())
+    return (int32_t)font.GetVerticalScale();
+  return 100;
+}
+
+void CXFA_TextParser::GetUnderline(CXFA_TextProvider* pTextProvider,
+                                   IFDE_CSSComputedStyle* pStyle,
+                                   int32_t& iUnderline,
+                                   int32_t& iPeriod) const {
+  iUnderline = 0;
+  iPeriod = XFA_ATTRIBUTEENUM_All;
+  if (!pStyle) {
+    CXFA_Font font = pTextProvider->GetFontNode();
+    if (font) {
+      iUnderline = font.GetUnderline();
+      iPeriod = font.GetUnderlinePeriod();
+    }
+    return;
+  }
+
+  uint32_t dwDecoration = pStyle->GetParagraphStyles()->GetTextDecoration();
+  if (dwDecoration & FDE_CSSTEXTDECORATION_Double)
+    iUnderline = 2;
+  else if (dwDecoration & FDE_CSSTEXTDECORATION_Underline)
+    iUnderline = 1;
+
+  CFX_WideString wsValue;
+  if (pStyle->GetCustomStyle(FX_WSTRC(L"underlinePeriod"), wsValue)) {
+    if (wsValue == FX_WSTRC(L"word"))
+      iPeriod = XFA_ATTRIBUTEENUM_Word;
+  } else if (CXFA_Font font = pTextProvider->GetFontNode()) {
+    iPeriod = font.GetUnderlinePeriod();
+  }
+}
+
+void CXFA_TextParser::GetLinethrough(CXFA_TextProvider* pTextProvider,
+                                     IFDE_CSSComputedStyle* pStyle,
+                                     int32_t& iLinethrough) const {
+  if (pStyle) {
+    uint32_t dwDecoration = pStyle->GetParagraphStyles()->GetTextDecoration();
+    iLinethrough = (dwDecoration & FDE_CSSTEXTDECORATION_LineThrough) ? 1 : 0;
+    return;
+  }
+
+  CXFA_Font font = pTextProvider->GetFontNode();
+  if (font)
+    iLinethrough = font.GetLineThrough();
+}
+
+FX_ARGB CXFA_TextParser::GetColor(CXFA_TextProvider* pTextProvider,
+                                  IFDE_CSSComputedStyle* pStyle) const {
+  if (pStyle)
+    return pStyle->GetFontStyles()->GetColor();
+  if (CXFA_Font font = pTextProvider->GetFontNode())
+    return font.GetColor();
+
+  return 0xFF000000;
+}
+
+FX_FLOAT CXFA_TextParser::GetBaseline(CXFA_TextProvider* pTextProvider,
+                                      IFDE_CSSComputedStyle* pStyle) const {
+  if (pStyle) {
+    IFDE_CSSParagraphStyle* pParaStyle = pStyle->GetParagraphStyles();
+    if (pParaStyle->GetVerticalAlign() == FDE_CSSVERTICALALIGN_Number)
+      return pParaStyle->GetNumberVerticalAlign();
+  } else if (CXFA_Font font = pTextProvider->GetFontNode()) {
+    return font.GetBaselineShift();
+  }
+  return 0;
+}
+
+FX_FLOAT CXFA_TextParser::GetLineHeight(CXFA_TextProvider* pTextProvider,
+                                        IFDE_CSSComputedStyle* pStyle,
+                                        bool bFirst,
+                                        FX_FLOAT fVerScale) const {
+  FX_FLOAT fLineHeight = 0;
+  if (pStyle)
+    fLineHeight = pStyle->GetParagraphStyles()->GetLineHeight();
+  else if (CXFA_Para para = pTextProvider->GetParaNode())
+    fLineHeight = para.GetLineHeight();
+
+  if (bFirst) {
+    FX_FLOAT fFontSize = GetFontSize(pTextProvider, pStyle);
+    if (fLineHeight < 0.1f)
+      fLineHeight = fFontSize;
+    else
+      fLineHeight = std::min(fLineHeight, fFontSize);
+  } else if (fLineHeight < 0.1f) {
+    fLineHeight = GetFontSize(pTextProvider, pStyle) * 1.2f;
+  }
+  fLineHeight *= fVerScale;
+  return fLineHeight;
+}
+
+bool CXFA_TextParser::GetEmbbedObj(CXFA_TextProvider* pTextProvider,
+                                   CFDE_XMLNode* pXMLNode,
+                                   CFX_WideString& wsValue) {
+  wsValue.clear();
+  if (!pXMLNode)
+    return false;
+
+  bool bRet = false;
+  if (pXMLNode->GetType() == FDE_XMLNODE_Element) {
+    CFDE_XMLElement* pElement = static_cast<CFDE_XMLElement*>(pXMLNode);
+    CFX_WideString wsAttr;
+    pElement->GetString(L"xfa:embed", wsAttr);
+    if (wsAttr.IsEmpty())
+      return false;
+    if (wsAttr.GetAt(0) == L'#')
+      wsAttr.Delete(0);
+
+    CFX_WideString ws;
+    pElement->GetString(L"xfa:embedType", ws);
+    if (ws.IsEmpty())
+      ws = L"som";
+    else
+      ws.MakeLower();
+
+    bool bURI = (ws == FX_WSTRC(L"uri"));
+    if (!bURI && ws != FX_WSTRC(L"som"))
+      return false;
+
+    ws.clear();
+    pElement->GetString(L"xfa:embedMode", ws);
+    if (ws.IsEmpty())
+      ws = L"formatted";
+    else
+      ws.MakeLower();
+
+    bool bRaw = (ws == FX_WSTRC(L"raw"));
+    if (!bRaw && ws != FX_WSTRC(L"formatted"))
+      return false;
+
+    bRet = pTextProvider->GetEmbbedObj(bURI, bRaw, wsAttr, wsValue);
+  }
+  return bRet;
+}
+
+CXFA_TextParseContext* CXFA_TextParser::GetParseContextFromMap(
+    CFDE_XMLNode* pXMLNode) {
+  auto it = m_mapXMLNodeToParseContext.find(pXMLNode);
+  return it != m_mapXMLNodeToParseContext.end() ? it->second : nullptr;
+}
+
+bool CXFA_TextParser::GetTabstops(IFDE_CSSComputedStyle* pStyle,
+                                  CXFA_TextTabstopsContext* pTabstopContext) {
+  if (!pStyle || !pTabstopContext)
+    return false;
+
+  CFX_WideString wsValue;
+  if (!pStyle->GetCustomStyle(FX_WSTRC(L"xfa-tab-stops"), wsValue) &&
+      !pStyle->GetCustomStyle(FX_WSTRC(L"tab-stops"), wsValue)) {
+    return false;
+  }
+
+  int32_t iLength = wsValue.GetLength();
+  const FX_WCHAR* pTabStops = wsValue.c_str();
+  int32_t iCur = 0;
+  int32_t iLast = 0;
+  CFX_WideString wsAlign;
+  TabStopStatus eStatus = TabStopStatus::None;
+  FX_WCHAR ch;
+  while (iCur < iLength) {
+    ch = pTabStops[iCur];
+    switch (eStatus) {
+      case TabStopStatus::None:
+        if (ch <= ' ') {
+          iCur++;
+        } else {
+          eStatus = TabStopStatus::Alignment;
+          iLast = iCur;
+        }
+        break;
+      case TabStopStatus::Alignment:
+        if (ch == ' ') {
+          wsAlign = CFX_WideStringC(pTabStops + iLast, iCur - iLast);
+          eStatus = TabStopStatus::StartLeader;
+          iCur++;
+          while (iCur < iLength && pTabStops[iCur] <= ' ')
+            iCur++;
+          iLast = iCur;
+        } else {
+          iCur++;
+        }
+        break;
+      case TabStopStatus::StartLeader:
+        if (ch != 'l') {
+          eStatus = TabStopStatus::Location;
+        } else {
+          int32_t iCount = 0;
+          while (iCur < iLength) {
+            ch = pTabStops[iCur];
+            iCur++;
+            if (ch == '(') {
+              iCount++;
+            } else if (ch == ')') {
+              iCount--;
+              if (iCount == 0)
+                break;
+            }
+          }
+          while (iCur < iLength && pTabStops[iCur] <= ' ')
+            iCur++;
+
+          iLast = iCur;
+          eStatus = TabStopStatus::Location;
+        }
+        break;
+      case TabStopStatus::Location:
+        if (ch == ' ') {
+          uint32_t dwHashCode = FX_HashCode_GetW(wsAlign.AsStringC(), true);
+          CXFA_Measurement ms(CFX_WideStringC(pTabStops + iLast, iCur - iLast));
+          FX_FLOAT fPos = ms.ToUnit(XFA_UNIT_Pt);
+          pTabstopContext->Append(dwHashCode, fPos);
+          wsAlign.clear();
+          eStatus = TabStopStatus::None;
+        }
+        iCur++;
+        break;
+      default:
+        break;
+    }
+  }
+
+  if (!wsAlign.IsEmpty()) {
+    uint32_t dwHashCode = FX_HashCode_GetW(wsAlign.AsStringC(), true);
+    CXFA_Measurement ms(CFX_WideStringC(pTabStops + iLast, iCur - iLast));
+    FX_FLOAT fPos = ms.ToUnit(XFA_UNIT_Pt);
+    pTabstopContext->Append(dwHashCode, fPos);
+  }
+  return true;
+}
diff --git a/xfa/fxfa/app/cxfa_textparser.h b/xfa/fxfa/app/cxfa_textparser.h
new file mode 100644
index 0000000000..e793c0c9fe
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textparser.h
@@ -0,0 +1,101 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_TEXTPARSER_H_
+#define XFA_FXFA_APP_CXFA_TEXTPARSER_H_
+
+#include <map>
+#include <memory>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/fx_dib.h"
+#include "xfa/fgas/font/cfgas_gefont.h"
+
+class CFDE_CSSStyleSelector;
+class CFDE_XMLNode;
+class CXFA_CSSTagProvider;
+class CXFA_TextParseContext;
+class CXFA_TextProvider;
+class CXFA_TextTabstopsContext;
+class IFDE_CSSComputedStyle;
+class IFDE_CSSStyleSheet;
+class IFX_MemoryAllocator;
+
+class CXFA_TextParser {
+ public:
+  CXFA_TextParser();
+  virtual ~CXFA_TextParser();
+
+  void Reset();
+  void DoParse(CFDE_XMLNode* pXMLContainer, CXFA_TextProvider* pTextProvider);
+
+  IFDE_CSSComputedStyle* CreateRootStyle(CXFA_TextProvider* pTextProvider);
+  IFDE_CSSComputedStyle* ComputeStyle(CFDE_XMLNode* pXMLNode,
+                                      IFDE_CSSComputedStyle* pParentStyle);
+
+  bool IsParsed() const { return !!m_pAllocator; }
+
+  int32_t GetVAlign(CXFA_TextProvider* pTextProvider) const;
+
+  FX_FLOAT GetTabInterval(IFDE_CSSComputedStyle* pStyle) const;
+  int32_t CountTabs(IFDE_CSSComputedStyle* pStyle) const;
+
+  bool IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const;
+  bool GetTabstops(IFDE_CSSComputedStyle* pStyle,
+                   CXFA_TextTabstopsContext* pTabstopContext);
+
+  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_TextProvider* pTextProvider,
+                                      IFDE_CSSComputedStyle* pStyle) const;
+  FX_FLOAT GetFontSize(CXFA_TextProvider* pTextProvider,
+                       IFDE_CSSComputedStyle* pStyle) const;
+
+  int32_t GetHorScale(CXFA_TextProvider* pTextProvider,
+                      IFDE_CSSComputedStyle* pStyle,
+                      CFDE_XMLNode* pXMLNode) const;
+  int32_t GetVerScale(CXFA_TextProvider* pTextProvider,
+                      IFDE_CSSComputedStyle* pStyle) const;
+
+  void GetUnderline(CXFA_TextProvider* pTextProvider,
+                    IFDE_CSSComputedStyle* pStyle,
+                    int32_t& iUnderline,
+                    int32_t& iPeriod) const;
+  void GetLinethrough(CXFA_TextProvider* pTextProvider,
+                      IFDE_CSSComputedStyle* pStyle,
+                      int32_t& iLinethrough) const;
+  FX_ARGB GetColor(CXFA_TextProvider* pTextProvider,
+                   IFDE_CSSComputedStyle* pStyle) const;
+  FX_FLOAT GetBaseline(CXFA_TextProvider* pTextProvider,
+                       IFDE_CSSComputedStyle* pStyle) const;
+  FX_FLOAT GetLineHeight(CXFA_TextProvider* pTextProvider,
+                         IFDE_CSSComputedStyle* pStyle,
+                         bool bFirst,
+                         FX_FLOAT fVerScale) const;
+
+  bool GetEmbbedObj(CXFA_TextProvider* pTextProvider,
+                    CFDE_XMLNode* pXMLNode,
+                    CFX_WideString& wsValue);
+  CXFA_TextParseContext* GetParseContextFromMap(CFDE_XMLNode* pXMLNode);
+
+ protected:
+  bool TagValidate(const CFX_WideString& str) const;
+
+ private:
+  void InitCSSData(CXFA_TextProvider* pTextProvider);
+  void ParseRichText(CFDE_XMLNode* pXMLNode,
+                     IFDE_CSSComputedStyle* pParentStyle);
+  void ParseTagInfo(CFDE_XMLNode* pXMLNode, CXFA_CSSTagProvider& tagProvider);
+  IFDE_CSSStyleSheet* LoadDefaultSheetStyle();
+  IFDE_CSSComputedStyle* CreateStyle(IFDE_CSSComputedStyle* pParentStyle);
+
+  std::unique_ptr<IFX_MemoryAllocator> m_pAllocator;
+  std::unique_ptr<CFDE_CSSStyleSelector> m_pSelector;
+  IFDE_CSSStyleSheet* m_pUASheet;
+  std::map<CFDE_XMLNode*, CXFA_TextParseContext*> m_mapXMLNodeToParseContext;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_TEXTPARSER_H_
diff --git a/xfa/fxfa/app/xfa_textlayout_unittest.cpp b/xfa/fxfa/app/cxfa_textparser_unittest.cpp
index 7354631dbb..82a0110468 100644
--- a/xfa/fxfa/app/xfa_textlayout_unittest.cpp
+++ b/xfa/fxfa/app/cxfa_textparser_unittest.cpp
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "xfa/fxfa/app/xfa_textlayout.h"
+#include "xfa/fxfa/app/cxfa_textparser.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
diff --git a/xfa/fxfa/app/cxfa_texttabstopscontext.cpp b/xfa/fxfa/app/cxfa_texttabstopscontext.cpp
new file mode 100644
index 0000000000..3209603af3
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_texttabstopscontext.cpp
@@ -0,0 +1,44 @@
+// 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/fxfa/app/cxfa_texttabstopscontext.h"
+
+CXFA_TextTabstopsContext::CXFA_TextTabstopsContext()
+    : m_iTabCount(0),
+      m_iTabIndex(-1),
+      m_bTabstops(false),
+      m_fTabWidth(0),
+      m_fLeft(0) {}
+
+CXFA_TextTabstopsContext::~CXFA_TextTabstopsContext() {}
+
+void CXFA_TextTabstopsContext::Append(uint32_t dwAlign, FX_FLOAT fTabstops) {
+  int32_t i = 0;
+  for (i = 0; i < m_iTabCount; i++) {
+    XFA_TABSTOPS* pTabstop = m_tabstops.GetDataPtr(i);
+    if (fTabstops < pTabstop->fTabstops) {
+      break;
+    }
+  }
+  m_tabstops.InsertSpaceAt(i, 1);
+  XFA_TABSTOPS tabstop;
+  tabstop.dwAlign = dwAlign;
+  tabstop.fTabstops = fTabstops;
+  m_tabstops.SetAt(i, tabstop);
+  m_iTabCount++;
+}
+
+void CXFA_TextTabstopsContext::RemoveAll() {
+  m_tabstops.RemoveAll();
+  m_iTabCount = 0;
+}
+
+void CXFA_TextTabstopsContext::Reset() {
+  m_iTabIndex = -1;
+  m_bTabstops = false;
+  m_fTabWidth = 0;
+  m_fLeft = 0;
+}
diff --git a/xfa/fxfa/app/cxfa_texttabstopscontext.h b/xfa/fxfa/app/cxfa_texttabstopscontext.h
new file mode 100644
index 0000000000..8fe0e6273f
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_texttabstopscontext.h
@@ -0,0 +1,34 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_TEXTTABSTOPSCONTEXT_H_
+#define XFA_FXFA_APP_CXFA_TEXTTABSTOPSCONTEXT_H_
+
+#include "core/fxcrt/fx_basic.h"
+
+struct XFA_TABSTOPS {
+  uint32_t dwAlign;
+  FX_FLOAT fTabstops;
+};
+
+class CXFA_TextTabstopsContext {
+ public:
+  CXFA_TextTabstopsContext();
+  ~CXFA_TextTabstopsContext();
+
+  void Append(uint32_t dwAlign, FX_FLOAT fTabstops);
+  void RemoveAll();
+  void Reset();
+
+  CFX_ArrayTemplate<XFA_TABSTOPS> m_tabstops;
+  int32_t m_iTabCount;
+  int32_t m_iTabIndex;
+  bool m_bTabstops;
+  FX_FLOAT m_fTabWidth;
+  FX_FLOAT m_fLeft;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_TEXTTABSTOPSCONTEXT_H_
diff --git a/xfa/fxfa/app/cxfa_textuserdata.cpp b/xfa/fxfa/app/cxfa_textuserdata.cpp
new file mode 100644
index 0000000000..209e4f2c21
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textuserdata.cpp
@@ -0,0 +1,51 @@
+// 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/fxfa/app/cxfa_textuserdata.h"
+
+#include "xfa/fde/css/fde_css.h"
+#include "xfa/fxfa/app/cxfa_linkuserdata.h"
+
+CXFA_TextUserData::CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
+                                     IFDE_CSSComputedStyle* pStyle)
+    : m_pStyle(pStyle),
+      m_pLinkData(nullptr),
+      m_pAllocator(pAllocator),
+      m_dwRefCount(0) {
+  ASSERT(m_pAllocator);
+  if (m_pStyle)
+    m_pStyle->Retain();
+}
+
+CXFA_TextUserData::CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
+                                     IFDE_CSSComputedStyle* pStyle,
+                                     CXFA_LinkUserData* pLinkData)
+    : m_pStyle(pStyle),
+      m_pLinkData(pLinkData),
+      m_pAllocator(pAllocator),
+      m_dwRefCount(0) {
+  ASSERT(m_pAllocator);
+  if (m_pStyle)
+    m_pStyle->Retain();
+}
+
+CXFA_TextUserData::~CXFA_TextUserData() {
+  if (m_pStyle)
+    m_pStyle->Release();
+  if (m_pLinkData)
+    m_pLinkData->Release();
+}
+
+uint32_t CXFA_TextUserData::Retain() {
+  return ++m_dwRefCount;
+}
+
+uint32_t CXFA_TextUserData::Release() {
+  uint32_t dwRefCount = --m_dwRefCount;
+  if (dwRefCount == 0)
+    FXTARGET_DeleteWith(CXFA_TextUserData, m_pAllocator, this);
+  return dwRefCount;
+}
diff --git a/xfa/fxfa/app/cxfa_textuserdata.h b/xfa/fxfa/app/cxfa_textuserdata.h
new file mode 100644
index 0000000000..f9e76f94d8
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_textuserdata.h
@@ -0,0 +1,38 @@
+// 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
+
+#ifndef XFA_FXFA_APP_CXFA_TEXTUSERDATA_H_
+#define XFA_FXFA_APP_CXFA_TEXTUSERDATA_H_
+
+#include "core/fxcrt/fx_basic.h"
+#include "xfa/fgas/crt/fgas_memory.h"
+
+class CXFA_LinkUserData;
+class IFDE_CSSComputedStyle;
+class IFX_MemoryAllocator;
+
+class CXFA_TextUserData : public IFX_Retainable, public CFX_Target {
+ public:
+  CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
+                    IFDE_CSSComputedStyle* pStyle);
+  CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
+                    IFDE_CSSComputedStyle* pStyle,
+                    CXFA_LinkUserData* pLinkData);
+  ~CXFA_TextUserData() override;
+
+  // IFX_Retainable:
+  uint32_t Retain() override;
+  uint32_t Release() override;
+
+  IFDE_CSSComputedStyle* m_pStyle;
+  CXFA_LinkUserData* m_pLinkData;
+
+ protected:
+  IFX_MemoryAllocator* m_pAllocator;
+  uint32_t m_dwRefCount;
+};
+
+#endif  // XFA_FXFA_APP_CXFA_TEXTUSERDATA_H_
diff --git a/xfa/fxfa/app/xfa_ffdocview.cpp b/xfa/fxfa/app/xfa_ffdocview.cpp
index 4a3465bd9d..bf91baf082 100644
--- a/xfa/fxfa/app/xfa_ffdocview.cpp
+++ b/xfa/fxfa/app/xfa_ffdocview.cpp
@@ -25,7 +25,6 @@
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/parser/cxfa_binditems.h"
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
diff --git a/xfa/fxfa/app/xfa_fffield.cpp b/xfa/fxfa/app/xfa_fffield.cpp
index 0bd6160944..aa8abbde86 100644
--- a/xfa/fxfa/app/xfa_fffield.cpp
+++ b/xfa/fxfa/app/xfa_fffield.cpp
@@ -15,8 +15,8 @@
 #include "xfa/fwl/cfwl_messagesetfocus.h"
 #include "xfa/fwl/cfwl_picturebox.h"
 #include "xfa/fwl/cfwl_widgetmgr.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_fwltheme.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 #include "xfa/fxfa/xfa_ffdoc.h"
 #include "xfa/fxfa/xfa_ffdocview.h"
diff --git a/xfa/fxfa/app/xfa_ffnotify.cpp b/xfa/fxfa/app/xfa_ffnotify.cpp
index cb1964cb45..3aef5fcbfd 100644
--- a/xfa/fxfa/app/xfa_ffnotify.cpp
+++ b/xfa/fxfa/app/xfa_ffnotify.cpp
@@ -7,6 +7,7 @@
 #include "xfa/fxfa/app/xfa_ffnotify.h"
 
 #include "fxjs/cfxjse_value.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_ffbarcode.h"
 #include "xfa/fxfa/app/xfa_ffcheckbutton.h"
 #include "xfa/fxfa/app/xfa_ffchoicelist.h"
@@ -23,7 +24,6 @@
 #include "xfa/fxfa/app/xfa_fftextedit.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 #include "xfa/fxfa/xfa_ffdoc.h"
 #include "xfa/fxfa/xfa_ffdocview.h"
diff --git a/xfa/fxfa/app/xfa_ffpushbutton.cpp b/xfa/fxfa/app/xfa_ffpushbutton.cpp
index c12aa48d1a..4d4d1aad2d 100644
--- a/xfa/fxfa/app/xfa_ffpushbutton.cpp
+++ b/xfa/fxfa/app/xfa_ffpushbutton.cpp
@@ -9,9 +9,9 @@
 #include "xfa/fwl/cfwl_notedriver.h"
 #include "xfa/fwl/cfwl_pushbutton.h"
 #include "xfa/fwl/cfwl_widgetmgr.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 #include "xfa/fxfa/xfa_ffpageview.h"
 #include "xfa/fxfa/xfa_ffwidget.h"
diff --git a/xfa/fxfa/app/xfa_fftext.cpp b/xfa/fxfa/app/xfa_fftext.cpp
index cc7b65cabc..2307ea0dc4 100644
--- a/xfa/fxfa/app/xfa_fftext.cpp
+++ b/xfa/fxfa/app/xfa_fftext.cpp
@@ -8,8 +8,11 @@
 
 #include "xfa/fwl/fwl_widgetdef.h"
 #include "xfa/fwl/fwl_widgethit.h"
+#include "xfa/fxfa/app/cxfa_linkuserdata.h"
+#include "xfa/fxfa/app/cxfa_pieceline.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/app/xfa_ffdraw.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
+#include "xfa/fxfa/app/xfa_textpiece.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 #include "xfa/fxfa/xfa_ffdoc.h"
 #include "xfa/fxfa/xfa_ffpageview.h"
@@ -155,7 +158,8 @@ const FX_WCHAR* CXFA_FFText::GetLinkURLAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
   }
   FX_FLOAT x(fx), y(fy);
   FWLToClient(x, y);
-  const CXFA_PieceLineArray* pPieceLines = pTextLayout->GetPieceLines();
+  const CFX_ArrayTemplate<CXFA_PieceLine*>* pPieceLines =
+      pTextLayout->GetPieceLines();
   int32_t iCount = pPieceLines->GetSize();
   for (int32_t i = 0; i < iCount; i++) {
     CXFA_PieceLine* pPieceLine = pPieceLines->GetAt(i);
diff --git a/xfa/fxfa/app/xfa_fftextedit.cpp b/xfa/fxfa/app/xfa_fftextedit.cpp
index 26e3512c40..1088afdb6a 100644
--- a/xfa/fxfa/app/xfa_fftextedit.cpp
+++ b/xfa/fxfa/app/xfa_fftextedit.cpp
@@ -20,7 +20,6 @@
 #include "xfa/fwl/cfwl_notedriver.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
 #include "xfa/fxfa/parser/xfa_localevalue.h"
 #include "xfa/fxfa/xfa_ffapp.h"
diff --git a/xfa/fxfa/app/xfa_ffwidget.cpp b/xfa/fxfa/app/xfa_ffwidget.cpp
index f46c6a0381..64aed4f328 100644
--- a/xfa/fxfa/app/xfa_ffwidget.cpp
+++ b/xfa/fxfa/app/xfa_ffwidget.cpp
@@ -18,7 +18,7 @@
 #include "core/fxge/cfx_pathdata.h"
 #include "core/fxge/cfx_renderdevice.h"
 #include "xfa/fwl/fwl_widgethit.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
 #include "xfa/fxfa/fxfa_widget.h"
 #include "xfa/fxfa/parser/cxfa_corner.h"
diff --git a/xfa/fxfa/app/xfa_ffwidgetacc.cpp b/xfa/fxfa/app/xfa_ffwidgetacc.cpp
index e62ebca302..d4d9949c3e 100644
--- a/xfa/fxfa/app/xfa_ffwidgetacc.cpp
+++ b/xfa/fxfa/app/xfa_ffwidgetacc.cpp
@@ -19,7 +19,6 @@
 #include "xfa/fxfa/app/xfa_ffchoicelist.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
 #include "xfa/fxfa/app/xfa_fwladapter.h"
-#include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
 #include "xfa/fxfa/parser/cxfa_scriptcontext.h"
diff --git a/xfa/fxfa/app/xfa_ffwidgetacc.h b/xfa/fxfa/app/xfa_ffwidgetacc.h
index 092254b2d8..2daa35e6cd 100644
--- a/xfa/fxfa/app/xfa_ffwidgetacc.h
+++ b/xfa/fxfa/app/xfa_ffwidgetacc.h
@@ -7,7 +7,14 @@
 #ifndef XFA_FXFA_APP_XFA_FFWIDGETACC_H_
 #define XFA_FXFA_APP_XFA_FFWIDGETACC_H_
 
-#include "xfa/fxfa/app/xfa_textlayout.h"
+#include "core/fxcrt/fx_string.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
+#include "xfa/fxfa/fxfa_widget.h"
+#include "xfa/fxfa/parser/cxfa_font.h"
+#include "xfa/fxfa/parser/cxfa_para.h"
+
+class CXFA_FFDoc;
+class CXFA_Node;
 
 enum XFA_TEXTPROVIDERTYPE {
   XFA_TEXTPROVIDERTYPE_Text,
diff --git a/xfa/fxfa/app/xfa_textlayout.h b/xfa/fxfa/app/xfa_textlayout.h
deleted file mode 100644
index fa0ca668ca..0000000000
--- a/xfa/fxfa/app/xfa_textlayout.h
+++ /dev/null
@@ -1,354 +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
-
-#ifndef XFA_FXFA_APP_XFA_TEXTLAYOUT_H_
-#define XFA_FXFA_APP_XFA_TEXTLAYOUT_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "xfa/fde/css/fde_css.h"
-#include "xfa/fde/fde_gedevice.h"
-#include "xfa/fgas/layout/fgas_rtfbreak.h"
-#include "xfa/fxfa/parser/xfa_object.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-
-#define XFA_LOADERCNTXTFLG_FILTERSPACE 0x001
-
-class CFDE_CSSStyleSelector;
-class CXFA_Para;
-class CXFA_Font;
-class CXFA_TextProvider;
-class CXFA_TextTabstopsContext;
-
-class CXFA_CSSTagProvider {
- public:
-  using AttributeMap = std::map<CFX_WideString, CFX_WideString>;
-
-  CXFA_CSSTagProvider();
-  ~CXFA_CSSTagProvider();
-
-  CFX_WideString GetTagName() { return m_wsTagName; }
-
-  AttributeMap::iterator begin() { return m_Attributes.begin(); }
-  AttributeMap::iterator end() { return m_Attributes.end(); }
-
-  bool empty() const { return m_Attributes.empty(); }
-
-  void SetTagNameObj(const CFX_WideString& wsName) { m_wsTagName = wsName; }
-  void SetAttribute(const CFX_WideString& wsAttr,
-                    const CFX_WideString& wsValue) {
-    m_Attributes.insert({wsAttr, wsValue});
-  }
-
-  bool m_bTagAvailable;
-  bool m_bContent;
-
- protected:
-  CFX_WideString m_wsTagName;
-  AttributeMap m_Attributes;
-};
-
-class CXFA_TextParseContext : public CFX_Target {
- public:
-  CXFA_TextParseContext();
-  ~CXFA_TextParseContext() override;
-
-  void SetDisplay(FDE_CSSDISPLAY eDisplay) { m_eDisplay = eDisplay; }
-  FDE_CSSDISPLAY GetDisplay() const { return m_eDisplay; }
-  void SetDecls(const CFDE_CSSDeclaration** ppDeclArray, int32_t iDeclCount);
-  const CFDE_CSSDeclaration** GetDecls() {
-    return const_cast<const CFDE_CSSDeclaration**>(m_ppMatchedDecls);
-  }
-  uint32_t CountDecls() const { return m_dwMatchedDecls; }
-
-  IFDE_CSSComputedStyle* m_pParentStyle;
-
- protected:
-  CFDE_CSSDeclaration** m_ppMatchedDecls;
-  uint32_t m_dwMatchedDecls;
-  FDE_CSSDISPLAY m_eDisplay;
-};
-
-class CXFA_TextParser {
- public:
-  CXFA_TextParser();
-  virtual ~CXFA_TextParser();
-
-  void Reset();
-  void DoParse(CFDE_XMLNode* pXMLContainer, CXFA_TextProvider* pTextProvider);
-  IFDE_CSSComputedStyle* CreateRootStyle(CXFA_TextProvider* pTextProvider);
-  IFDE_CSSComputedStyle* ComputeStyle(CFDE_XMLNode* pXMLNode,
-                                      IFDE_CSSComputedStyle* pParentStyle);
-  bool IsParsed() const { return !!m_pAllocator; }
-
-  int32_t GetVAlign(CXFA_TextProvider* pTextProvider) const;
-  FX_FLOAT GetTabInterval(IFDE_CSSComputedStyle* pStyle) const;
-  int32_t CountTabs(IFDE_CSSComputedStyle* pStyle) const;
-  bool IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const;
-  bool GetTabstops(IFDE_CSSComputedStyle* pStyle,
-                   CXFA_TextTabstopsContext* pTabstopContext);
-  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_TextProvider* pTextProvider,
-                                      IFDE_CSSComputedStyle* pStyle) const;
-  FX_FLOAT GetFontSize(CXFA_TextProvider* pTextProvider,
-                       IFDE_CSSComputedStyle* pStyle) const;
-  int32_t GetHorScale(CXFA_TextProvider* pTextProvider,
-                      IFDE_CSSComputedStyle* pStyle,
-                      CFDE_XMLNode* pXMLNode) const;
-  int32_t GetVerScale(CXFA_TextProvider* pTextProvider,
-                      IFDE_CSSComputedStyle* pStyle) const;
-  void GetUnderline(CXFA_TextProvider* pTextProvider,
-                    IFDE_CSSComputedStyle* pStyle,
-                    int32_t& iUnderline,
-                    int32_t& iPeriod) const;
-  void GetLinethrough(CXFA_TextProvider* pTextProvider,
-                      IFDE_CSSComputedStyle* pStyle,
-                      int32_t& iLinethrough) const;
-  FX_ARGB GetColor(CXFA_TextProvider* pTextProvider,
-                   IFDE_CSSComputedStyle* pStyle) const;
-  FX_FLOAT GetBaseline(CXFA_TextProvider* pTextProvider,
-                       IFDE_CSSComputedStyle* pStyle) const;
-  FX_FLOAT GetLineHeight(CXFA_TextProvider* pTextProvider,
-                         IFDE_CSSComputedStyle* pStyle,
-                         bool bFirst,
-                         FX_FLOAT fVerScale) const;
-  bool GetEmbbedObj(CXFA_TextProvider* pTextProvider,
-                    CFDE_XMLNode* pXMLNode,
-                    CFX_WideString& wsValue);
-  CXFA_TextParseContext* GetParseContextFromMap(CFDE_XMLNode* pXMLNode);
-
- protected:
-  bool TagValidate(const CFX_WideString& str) const;
-
- private:
-  void InitCSSData(CXFA_TextProvider* pTextProvider);
-  void ParseRichText(CFDE_XMLNode* pXMLNode,
-                     IFDE_CSSComputedStyle* pParentStyle);
-  void ParseTagInfo(CFDE_XMLNode* pXMLNode, CXFA_CSSTagProvider& tagProvider);
-  IFDE_CSSStyleSheet* LoadDefaultSheetStyle();
-  IFDE_CSSComputedStyle* CreateStyle(IFDE_CSSComputedStyle* pParentStyle);
-  std::unique_ptr<IFX_MemoryAllocator> m_pAllocator;
-  std::unique_ptr<CFDE_CSSStyleSelector> m_pSelector;
-  IFDE_CSSStyleSheet* m_pUASheet;
-  std::map<CFDE_XMLNode*, CXFA_TextParseContext*> m_mapXMLNodeToParseContext;
-};
-
-class CXFA_LoaderContext {
- public:
-  CXFA_LoaderContext();
-  ~CXFA_LoaderContext();
-
-  bool m_bSaveLineHeight;
-  FX_FLOAT m_fWidth;
-  FX_FLOAT m_fHeight;
-  FX_FLOAT m_fLastPos;
-  FX_FLOAT m_fStartLineOffset;
-  int32_t m_iChar;
-  int32_t m_iLines;
-  int32_t m_iTotalLines;
-  CFDE_XMLNode* m_pXMLNode;
-  CXFA_Node* m_pNode;
-  IFDE_CSSComputedStyle* m_pParentStyle;
-  CFX_ArrayTemplate<FX_FLOAT> m_lineHeights;
-  uint32_t m_dwFlags;
-  std::vector<FX_FLOAT> m_BlocksHeight;
-};
-
-class CXFA_LinkUserData : public IFX_Retainable, public CFX_Target {
- public:
-  CXFA_LinkUserData(IFX_MemoryAllocator* pAllocator, FX_WCHAR* pszText);
-  ~CXFA_LinkUserData() override;
-
-  // IFX_Retainable:
-  uint32_t Retain() override;
-  uint32_t Release() override;
-
-  const FX_WCHAR* GetLinkURL();
-
- protected:
-  IFX_MemoryAllocator* m_pAllocator;
-  uint32_t m_dwRefCount;
-  CFX_WideString m_wsURLContent;
-};
-
-class CXFA_TextUserData : public IFX_Retainable, public CFX_Target {
- public:
-  CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
-                    IFDE_CSSComputedStyle* pStyle);
-  CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
-                    IFDE_CSSComputedStyle* pStyle,
-                    CXFA_LinkUserData* pLinkData);
-  ~CXFA_TextUserData() override;
-
-  // IFX_Retainable:
-  uint32_t Retain() override;
-  uint32_t Release() override;
-
-  IFDE_CSSComputedStyle* m_pStyle;
-  CXFA_LinkUserData* m_pLinkData;
-
- protected:
-  IFX_MemoryAllocator* m_pAllocator;
-  uint32_t m_dwRefCount;
-};
-
-class XFA_TextPiece : public CFX_Target {
- public:
-  XFA_TextPiece();
-  ~XFA_TextPiece() override;
-
-  FX_WCHAR* pszText;
-  int32_t iChars;
-  int32_t* pWidths;
-  int32_t iHorScale;
-  int32_t iVerScale;
-  int32_t iBidiLevel;
-  int32_t iUnderline;
-  int32_t iPeriod;
-  int32_t iLineThrough;
-  CFX_RetainPtr<CFGAS_GEFont> pFont;
-  FX_ARGB dwColor;
-  FX_FLOAT fFontSize;
-  CFX_RectF rtPiece;
-  CXFA_LinkUserData* pLinkData;
-};
-typedef CFX_ArrayTemplate<XFA_TextPiece*> CXFA_PieceArray;
-
-class CXFA_PieceLine : public CFX_Target {
- public:
-  CXFA_PieceLine();
-  ~CXFA_PieceLine() override;
-
-  CXFA_PieceArray m_textPieces;
-  CFX_Int32Array m_charCounts;
-};
-typedef CFX_ArrayTemplate<CXFA_PieceLine*> CXFA_PieceLineArray;
-
-struct XFA_TABSTOPS {
-  uint32_t dwAlign;
-  FX_FLOAT fTabstops;
-};
-
-class CXFA_TextTabstopsContext {
- public:
-  CXFA_TextTabstopsContext();
-  ~CXFA_TextTabstopsContext();
-
-  void Append(uint32_t dwAlign, FX_FLOAT fTabstops);
-  void RemoveAll();
-  void Reset();
-
-  CFX_ArrayTemplate<XFA_TABSTOPS> m_tabstops;
-  int32_t m_iTabCount;
-  int32_t m_iTabIndex;
-  bool m_bTabstops;
-  FX_FLOAT m_fTabWidth;
-  FX_FLOAT m_fLeft;
-};
-
-class CXFA_TextLayout {
- public:
-  explicit CXFA_TextLayout(CXFA_TextProvider* pTextProvider);
-  ~CXFA_TextLayout();
-
-  int32_t GetText(CFX_WideString& wsText);
-  FX_FLOAT GetLayoutHeight();
-  FX_FLOAT StartLayout(FX_FLOAT fWidth = -1);
-  bool DoLayout(int32_t iBlockIndex,
-                FX_FLOAT& fCalcHeight,
-                FX_FLOAT fContentAreaHeight = -1,
-                FX_FLOAT fTextHeight = -1);
-
-  bool CalcSize(const CFX_SizeF& minSize,
-                const CFX_SizeF& maxSize,
-                CFX_SizeF& defaultSize);
-  bool Layout(const CFX_SizeF& size, FX_FLOAT* fHeight = nullptr);
-  void ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex);
-  bool DrawString(CFX_RenderDevice* pFxDevice,
-                  const CFX_Matrix& tmDoc2Device,
-                  const CFX_RectF& rtClip,
-                  int32_t iBlock = 0);
-  bool IsLoaded() const { return m_pieceLines.GetSize() > 0; }
-  void Unload();
-  const CXFA_PieceLineArray* GetPieceLines();
-
-  bool m_bHasBlock;
-  CFX_Int32Array m_Blocks;
-
- private:
-  void GetTextDataNode();
-  CFDE_XMLNode* GetXMLContainerNode();
-  CFX_RTFBreak* CreateBreak(bool bDefault);
-  void InitBreak(FX_FLOAT fLineWidth);
-  void InitBreak(IFDE_CSSComputedStyle* pStyle,
-                 FDE_CSSDISPLAY eDisplay,
-                 FX_FLOAT fLineWidth,
-                 CFDE_XMLNode* pXMLNode,
-                 IFDE_CSSComputedStyle* pParentStyle = nullptr);
-  bool Loader(const CFX_SizeF& szText,
-              FX_FLOAT& fLinePos,
-              bool bSavePieces = true);
-  void LoadText(CXFA_Node* pNode,
-                const CFX_SizeF& szText,
-                FX_FLOAT& fLinePos,
-                bool bSavePieces);
-  bool LoadRichText(CFDE_XMLNode* pXMLNode,
-                    const CFX_SizeF& szText,
-                    FX_FLOAT& fLinePos,
-                    IFDE_CSSComputedStyle* pParentStyle,
-                    bool bSavePieces,
-                    CXFA_LinkUserData* pLinkData = nullptr,
-                    bool bEndBreak = true,
-                    bool bIsOl = false,
-                    int32_t iLiCount = 0);
-  bool AppendChar(const CFX_WideString& wsText,
-                  FX_FLOAT& fLinePos,
-                  FX_FLOAT fSpaceAbove,
-                  bool bSavePieces);
-  void AppendTextLine(uint32_t dwStatus,
-                      FX_FLOAT& fLinePos,
-                      bool bSavePieces,
-                      bool bEndBreak = false);
-  void EndBreak(uint32_t dwStatus, FX_FLOAT& fLinePos, bool bDefault);
-  bool IsEnd(bool bSavePieces);
-  void ProcessText(CFX_WideString& wsText);
-  void UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom);
-  void RenderString(CFDE_RenderDevice* pDevice,
-                    CFDE_Brush* pBrush,
-                    CXFA_PieceLine* pPieceLine,
-                    int32_t iPiece,
-                    FXTEXT_CHARPOS* pCharPos,
-                    const CFX_Matrix& tmDoc2Device);
-  void RenderPath(CFDE_RenderDevice* pDevice,
-                  CFDE_Pen* pPen,
-                  CXFA_PieceLine* pPieceLine,
-                  int32_t iPiece,
-                  FXTEXT_CHARPOS* pCharPos,
-                  const CFX_Matrix& tmDoc2Device);
-  int32_t GetDisplayPos(const XFA_TextPiece* pPiece,
-                        FXTEXT_CHARPOS* pCharPos,
-                        bool bCharCode = false);
-  bool ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ& tr);
-  void DoTabstops(IFDE_CSSComputedStyle* pStyle, CXFA_PieceLine* pPieceLine);
-  bool Layout(int32_t iBlock);
-  int32_t CountBlocks() const;
-
-  CXFA_TextProvider* m_pTextProvider;
-  CXFA_Node* m_pTextDataNode;
-  bool m_bRichText;
-  std::unique_ptr<IFX_MemoryAllocator> m_pAllocator;
-  std::unique_ptr<CFX_RTFBreak> m_pBreak;
-  std::unique_ptr<CXFA_LoaderContext> m_pLoader;
-  int32_t m_iLines;
-  FX_FLOAT m_fMaxWidth;
-  CXFA_TextParser m_textParser;
-  CXFA_PieceLineArray m_pieceLines;
-  std::unique_ptr<CXFA_TextTabstopsContext> m_pTabstopContext;
-  bool m_bBlockContinue;
-};
-
-#endif  // XFA_FXFA_APP_XFA_TEXTLAYOUT_H_
diff --git a/xfa/fxfa/app/xfa_textpiece.cpp b/xfa/fxfa/app/xfa_textpiece.cpp
new file mode 100644
index 0000000000..4b57aa82d9
--- /dev/null
+++ b/xfa/fxfa/app/xfa_textpiece.cpp
@@ -0,0 +1,17 @@
+// 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/fxfa/app/xfa_textpiece.h"
+
+#include "xfa/fxfa/app/cxfa_linkuserdata.h"
+
+XFA_TextPiece::XFA_TextPiece()
+    : pszText(nullptr), pFont(nullptr), pLinkData(nullptr) {}
+
+XFA_TextPiece::~XFA_TextPiece() {
+  if (pLinkData)
+    pLinkData->Release();
+}
diff --git a/xfa/fxfa/app/xfa_textpiece.h b/xfa/fxfa/app/xfa_textpiece.h
new file mode 100644
index 0000000000..4047cd2d7f
--- /dev/null
+++ b/xfa/fxfa/app/xfa_textpiece.h
@@ -0,0 +1,39 @@
+// 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
+
+#ifndef XFA_FXFA_APP_XFA_TEXTPIECE_H_
+#define XFA_FXFA_APP_XFA_TEXTPIECE_H_
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxge/fx_dib.h"
+#include "xfa/fgas/font/cfgas_gefont.h"
+
+class CXFA_LinkUserData;
+
+class XFA_TextPiece : public CFX_Target {
+ public:
+  XFA_TextPiece();
+  ~XFA_TextPiece() override;
+
+  FX_WCHAR* pszText;
+  int32_t iChars;
+  int32_t* pWidths;
+  int32_t iHorScale;
+  int32_t iVerScale;
+  int32_t iBidiLevel;
+  int32_t iUnderline;
+  int32_t iPeriod;
+  int32_t iLineThrough;
+  CFX_RetainPtr<CFGAS_GEFont> pFont;
+  FX_ARGB dwColor;
+  FX_FLOAT fFontSize;
+  CFX_RectF rtPiece;
+  CXFA_LinkUserData* pLinkData;
+};
+
+#endif  // XFA_FXFA_APP_XFA_TEXTPIECE_H_