// 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/fgas_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(FX_WCHAR* pStr, int32_t iMaxLength, bool& bEOS) override; int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override; int32_t WriteString(const FX_WCHAR* 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; protected: 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_