// 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 CORE_FXCRT_IFX_CHARITER_H_ #define CORE_FXCRT_IFX_CHARITER_H_ #include <memory> #include "core/fxcrt/fx_system.h" class IFX_CharIter { public: virtual ~IFX_CharIter() {} virtual bool Next(bool bPrev = false) = 0; virtual wchar_t GetChar() = 0; virtual void SetAt(int32_t nIndex) = 0; virtual int32_t GetAt() const = 0; virtual bool IsEOF(bool bTail = true) const = 0; virtual std::unique_ptr<IFX_CharIter> Clone() = 0; }; #endif // CORE_FXCRT_IFX_CHARITER_H_