| // 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_ |
