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diff --git a/xfa/fxfa/app/cxfa_textparser.h b/xfa/fxfa/app/cxfa_textparser.h
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+++ b/xfa/fxfa/app/cxfa_textparser.h
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+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#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_