1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef XFA_FXFA_PARSER_CXFA_WIDETEXTREAD_H_ 8 #define XFA_FXFA_PARSER_CXFA_WIDETEXTREAD_H_ 9 10 #include "core/fxcrt/cfx_retain_ptr.h" 11 #include "xfa/fgas/crt/fgas_stream.h" 12 13 class CXFA_WideTextRead : public IFGAS_Stream { 14 public: 15 template <typename T, typename... Args> 16 friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); 17 18 // IFGAS_Stream 19 uint32_t GetAccessModes() const override; 20 int32_t GetLength() const override; 21 int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) override; 22 int32_t GetPosition() override; 23 bool IsEOF() const override; 24 int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) override; 25 int32_t ReadString(FX_WCHAR* pStr, int32_t iMaxLength, bool& bEOS) override; 26 int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) override; 27 int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) override; 28 void Flush() override {} 29 bool SetLength(int32_t iLength) override; 30 int32_t GetBOM(uint8_t bom[4]) const override; 31 uint16_t GetCodePage() const override; 32 uint16_t SetCodePage(uint16_t wCodePage) override; 33 CFX_RetainPtr<IFGAS_Stream> CreateSharedStream(uint32_t dwAccess, 34 int32_t iOffset, 35 int32_t iLength) override; 36 37 CFX_WideString GetSrcText() const; 38 39 protected: 40 explicit CXFA_WideTextRead(const CFX_WideString& wsBuffer); 41 ~CXFA_WideTextRead() override; 42 43 CFX_WideString m_wsBuffer; 44 int32_t m_iPosition; 45 }; 46 47 #endif // XFA_FXFA_PARSER_CXFA_WIDETEXTREAD_H_ 48
