text: // Copyright 2016 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_FDE_IFX_CHARITER_H_
  #define XFA_FDE_IFX_CHARITER_H_
  
  #include "core/fxcrt/include/fx_system.h"
  
  class IFX_CharIter {
   public:
    virtual ~IFX_CharIter() {}
  
    virtual FX_BOOL Next(FX_BOOL bPrev = FALSE) = 0;
    virtual FX_WCHAR GetChar() = 0;
    virtual void SetAt(int32_t nIndex) = 0;
    virtual int32_t GetAt() const = 0;
    virtual FX_BOOL IsEOF(FX_BOOL bTail = TRUE) const = 0;
    virtual IFX_CharIter* Clone() = 0;
  };
  
  #endif  // XFA_FDE_IFX_CHARITER_H_
  