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// 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_FXFA_PARSER_CXFA_WIDETEXTREAD_H_
#define XFA_FXFA_PARSER_CXFA_WIDETEXTREAD_H_
#include "core/fxcrt/cfx_retain_ptr.h"
#include "xfa/fgas/crt/ifgas_stream.h"
class CXFA_WideTextRead : public IFGAS_Stream {
public:
template <typename T, typename... Args>
friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
// IFGAS_Stream
uint32_t GetAccessModes() const override;
int32_t GetLength() const override;
int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override;
int32_t GetPosition() override;
bool IsEOF() const override;
int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override;
int32_t ReadString(wchar_t* pStr, int32_t iMaxLength, bool& bEOS) override;
int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override;
int32_t WriteString(const wchar_t* pStr, int32_t iLength) override;
void Flush() override {}
bool SetLength(int32_t iLength) override;
int32_t GetBOM(uint8_t bom[4]) const override;
uint16_t GetCodePage() const override;
uint16_t SetCodePage(uint16_t wCodePage) override;
CFX_RetainPtr<IFGAS_Stream> CreateSharedStream(uint32_t dwAccess,
int32_t iOffset,
int32_t iLength) override;
CFX_WideString GetSrcText() const;
private:
explicit CXFA_WideTextRead(const CFX_WideString& wsBuffer);
~CXFA_WideTextRead() override;
CFX_WideString m_wsBuffer;
int32_t m_iPosition;
};
#endif // XFA_FXFA_PARSER_CXFA_WIDETEXTREAD_H_
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