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// 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 _IFDE_TXTEDTBUF_H
#define _IFDE_TXTEDTBUF_H
#define FDE_DEFCHUNKLENGTH (1024)
class IFDE_TxtEdtBuf;
class IFDE_TxtEdtBuf
{
public:
virtual void Release() = 0;
virtual FX_BOOL SetChunkSize(FX_INT32 nChunkSize) = 0;
virtual FX_INT32 GetChunkSize() const = 0;
virtual FX_INT32 GetTextLength() const = 0;
virtual void SetText(const CFX_WideString &wsText) = 0;
virtual void GetText(CFX_WideString &wsText) const = 0;
virtual FX_WCHAR GetCharByIndex(FX_INT32 nIndex) const = 0;
virtual void GetRange(CFX_WideString &wsText, FX_INT32 nBegin, FX_INT32 nCount = - 1) const = 0;
virtual void Insert(FX_INT32 nPos, FX_LPCWSTR lpText, FX_INT32 nLength = 1) = 0;
virtual void Delete(FX_INT32 nIndex, FX_INT32 nLength = 1) = 0;
virtual void Clear(FX_BOOL bRelease = TRUE) = 0;
virtual FX_BOOL Optimize(IFX_Pause * pPause = NULL) = 0;
};
#endif
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