Move core/fxcrt/include to core/fxcrt

core/fxcrt/include/fx_stream.h

-// 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 CORE_FXCRT_INCLUDE_FX_STREAM_H_
-#define CORE_FXCRT_INCLUDE_FX_STREAM_H_
-
-#include "core/fxcrt/include/fx_string.h"
-#include "core/fxcrt/include/fx_system.h"
-
-void* FX_OpenFolder(const FX_CHAR* path);
-void* FX_OpenFolder(const FX_WCHAR* path);
-FX_BOOL FX_GetNextFile(void* handle,
-                       CFX_ByteString& filename,
-                       FX_BOOL& bFolder);
-FX_BOOL FX_GetNextFile(void* handle,
-                       CFX_WideString& filename,
-                       FX_BOOL& bFolder);
-void FX_CloseFolder(void* handle);
-FX_WCHAR FX_GetFolderSeparator();
-
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-#define FX_FILESIZE int32_t
-#else
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif  // O_BINARY
-
-#ifndef O_LARGEFILE
-#define O_LARGEFILE 0
-#endif  // O_LARGEFILE
-
-#define FX_FILESIZE off_t
-#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-
-#define FX_GETBYTEOFFSET32(a) 0
-#define FX_GETBYTEOFFSET40(a) 0
-#define FX_GETBYTEOFFSET48(a) 0
-#define FX_GETBYTEOFFSET56(a) 0
-#define FX_GETBYTEOFFSET24(a) ((uint8_t)(a >> 24))
-#define FX_GETBYTEOFFSET16(a) ((uint8_t)(a >> 16))
-#define FX_GETBYTEOFFSET8(a) ((uint8_t)(a >> 8))
-#define FX_GETBYTEOFFSET0(a) ((uint8_t)(a))
-#define FX_FILEMODE_Write 0
-#define FX_FILEMODE_ReadOnly 1
-#define FX_FILEMODE_Truncate 2
-
-class IFX_StreamWrite {
- public:
-  virtual ~IFX_StreamWrite() {}
-  virtual void Release() = 0;
-  virtual FX_BOOL WriteBlock(const void* pData, size_t size) = 0;
-};
-
-class IFX_FileWrite : public IFX_StreamWrite {
- public:
-  // IFX_StreamWrite:
-  FX_BOOL WriteBlock(const void* pData, size_t size) override;
-  virtual FX_FILESIZE GetSize() = 0;
-  virtual FX_BOOL Flush() = 0;
-  virtual FX_BOOL WriteBlock(const void* pData,
-                             FX_FILESIZE offset,
-                             size_t size) = 0;
-};
-
-class IFX_StreamRead {
- public:
-  virtual ~IFX_StreamRead() {}
-
-  virtual void Release() = 0;
-  virtual FX_BOOL IsEOF() = 0;
-  virtual FX_FILESIZE GetPosition() = 0;
-  virtual size_t ReadBlock(void* buffer, size_t size) = 0;
-};
-
-class IFX_FileRead : public IFX_StreamRead {
- public:
-  // IFX_StreamRead:
-  void Release() override = 0;
-  FX_BOOL IsEOF() override;
-  FX_FILESIZE GetPosition() override;
-  size_t ReadBlock(void* buffer, size_t size) override;
-
-  virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) = 0;
-  virtual FX_FILESIZE GetSize() = 0;
-};
-
-IFX_FileRead* FX_CreateFileRead(const FX_CHAR* filename);
-IFX_FileRead* FX_CreateFileRead(const FX_WCHAR* filename);
-
-class IFX_FileStream : public IFX_FileRead, public IFX_FileWrite {
- public:
-  virtual IFX_FileStream* Retain() = 0;
-
-  // IFX_FileRead:
-  void Release() override = 0;
-  FX_BOOL IsEOF() override = 0;
-  FX_FILESIZE GetPosition() override = 0;
-  size_t ReadBlock(void* buffer, size_t size) override = 0;
-  FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override = 0;
-  FX_FILESIZE GetSize() override = 0;
-
-  // IFX_FileWrite:
-  FX_BOOL WriteBlock(const void* buffer,
-                     FX_FILESIZE offset,
-                     size_t size) override = 0;
-  FX_BOOL WriteBlock(const void* buffer, size_t size) override;
-  FX_BOOL Flush() override = 0;
-};
-
-IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, uint32_t dwModes);
-IFX_FileStream* FX_CreateFileStream(const FX_WCHAR* filename, uint32_t dwModes);
-
-#ifdef PDF_ENABLE_XFA
-class IFX_FileAccess {
- public:
-  virtual ~IFX_FileAccess() {}
-  virtual void Release() = 0;
-  virtual IFX_FileAccess* Retain() = 0;
-  virtual void GetPath(CFX_WideString& wsPath) = 0;
-  virtual IFX_FileStream* CreateFileStream(uint32_t dwModes) = 0;
-};
-IFX_FileAccess* FX_CreateDefaultFileAccess(const CFX_WideStringC& wsPath);
-#endif  // PDF_ENABLE_XFA
-
-class IFX_MemoryStream : public IFX_FileStream {
- public:
-  virtual FX_BOOL IsConsecutive() const = 0;
-  virtual void EstimateSize(size_t nInitSize, size_t nGrowSize) = 0;
-  virtual uint8_t* GetBuffer() const = 0;
-  virtual void AttachBuffer(uint8_t* pBuffer,
-                            size_t nSize,
-                            FX_BOOL bTakeOver = FALSE) = 0;
-  virtual void DetachBuffer() = 0;
-};
-
-IFX_MemoryStream* FX_CreateMemoryStream(uint8_t* pBuffer,
-                                        size_t nSize,
-                                        FX_BOOL bTakeOver = FALSE);
-IFX_MemoryStream* FX_CreateMemoryStream(FX_BOOL bConsecutive = FALSE);
-
-class IFX_BufferRead : public IFX_StreamRead {
- public:
-  // IFX_StreamRead:
-  void Release() override = 0;
-  FX_BOOL IsEOF() override = 0;
-  FX_FILESIZE GetPosition() override = 0;
-  size_t ReadBlock(void* buffer, size_t size) override = 0;
-
-  virtual FX_BOOL ReadNextBlock(FX_BOOL bRestart = FALSE) = 0;
-  virtual const uint8_t* GetBlockBuffer() = 0;
-  virtual size_t GetBlockSize() = 0;
-  virtual FX_FILESIZE GetBlockOffset() = 0;
-};
-
-#endif  // CORE_FXCRT_INCLUDE_FX_STREAM_H_