Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/xbmc/filesystem/IFile.h b/xbmc/filesystem/IFile.h
new file mode 100644
index 0000000..d76d6ed
--- /dev/null
+++ b/xbmc/filesystem/IFile.h
@@ -0,0 +1,146 @@
+/*
+ *  Copyright (c) 2002 Frodo
+ *      Portions Copyright (c) by the authors of ffmpeg and xvid
+ *  Copyright (C) 2002-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+// IFile.h: interface for the IFile class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "PlatformDefs.h" // for __stat64, ssize_t
+
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/stat.h>
+#include <string>
+#include <vector>
+
+#if !defined(SIZE_MAX) || !defined(SSIZE_MAX)
+#include <limits.h>
+#ifndef SIZE_MAX
+#define SIZE_MAX UINTPTR_MAX
+#endif // ! SIZE_MAX
+#ifndef SSIZE_MAX
+#define SSIZE_MAX INTPTR_MAX
+#endif // ! SSIZE_MAX
+#endif // ! SIZE_MAX || ! SSIZE_MAX
+
+#include "IFileTypes.h"
+
+class CURL;
+
+namespace XFILE
+{
+
+class IFile
+{
+public:
+  IFile();
+  virtual ~IFile();
+
+  virtual bool Open(const CURL& url) = 0;
+  virtual bool OpenForWrite(const CURL& url, bool bOverWrite = false) { return false; }
+  virtual bool ReOpen(const CURL& url) { return false; }
+  virtual bool Exists(const CURL& url) = 0;
+  /**
+   * Fills struct __stat64 with information about file specified by url.
+   * For st_mode function will set correctly _S_IFDIR (directory) flag and may set
+   * _S_IREAD (read permission), _S_IWRITE (write permission) flags if such
+   * information is available. Function may set st_size (file size), st_atime,
+   * st_mtime, st_ctime (access, modification, creation times).
+   * Any other flags and members of __stat64 that didn't updated with actual file
+   * information will be set to zero (st_nlink can be set ether to 1 or zero).
+   * @param url         specifies requested file
+   * @param buffer      pointer to __stat64 buffer to receive information about file
+   * @return zero of success, -1 otherwise.
+   */
+  virtual int Stat(const CURL& url, struct __stat64* buffer) = 0;
+  /**
+   * Fills struct __stat64 with information about currently open file
+   * For st_mode function will set correctly _S_IFDIR (directory) flag and may set
+   * _S_IREAD (read permission), _S_IWRITE (write permission) flags if such
+   * information is available. Function may set st_size (file size), st_atime,
+   * st_mtime, st_ctime (access, modification, creation times).
+   * Any other flags and members of __stat64 that didn't updated with actual file
+   * information will be set to zero (st_nlink can be set ether to 1 or zero).
+   * @param buffer      pointer to __stat64 buffer to receive information about file
+   * @return zero of success, -1 otherwise.
+   */
+  virtual int Stat(struct __stat64* buffer);
+  /**
+   * Attempt to read bufSize bytes from currently opened file into buffer bufPtr.
+   * @param bufPtr  pointer to buffer
+   * @param bufSize size of the buffer
+   * @return number of successfully read bytes if any bytes were read and stored in
+   *         buffer, zero if no bytes are available to read (end of file was reached)
+   *         or undetectable error occur, -1 in case of any explicit error
+   */
+  virtual ssize_t Read(void* bufPtr, size_t bufSize) = 0;
+  /**
+   * Attempt to write bufSize bytes from buffer bufPtr into currently opened file.
+   * @param bufPtr  pointer to buffer
+   * @param bufSize size of the buffer
+   * @return number of successfully written bytes if any bytes were written,
+   *         zero if no bytes were written and no detectable error occur,
+   *         -1 in case of any explicit error
+   */
+  virtual ssize_t Write(const void* bufPtr, size_t bufSize) { return -1;}
+  virtual bool ReadString(char *szLine, int iLineLength);
+  virtual int64_t Seek(int64_t iFilePosition, int iWhence = SEEK_SET) = 0;
+  virtual void Close() = 0;
+  virtual int64_t GetPosition() = 0;
+  virtual int64_t GetLength() = 0;
+  virtual void Flush() { }
+  virtual int Truncate(int64_t size) { return -1; }
+
+  /* Returns the minimum size that can be read from input stream.  *
+   * For example cdrom access where access could be sector based.  *
+   * This will cause file system to buffer read requests, to       *
+   * to meet the requirement of CFile.                             *
+   * It can also be used to indicate a file system is non buffered *
+   * but accepts any read size, have it return the value 1         */
+  virtual int  GetChunkSize() {return 0;}
+  virtual double GetDownloadSpeed() { return 0.0; }
+
+  virtual bool Delete(const CURL& url) { return false; }
+  virtual bool Rename(const CURL& url, const CURL& urlnew) { return false; }
+  virtual bool SetHidden(const CURL& url, bool hidden) { return false; }
+
+  virtual int IoControl(EIoControl request, void* param) { return -1; }
+
+  virtual const std::string GetProperty(XFILE::FileProperty type, const std::string &name = "") const
+  {
+    return type == XFILE::FILE_PROPERTY_CONTENT_TYPE ? "application/octet-stream" : "";
+  };
+
+  virtual const std::vector<std::string> GetPropertyValues(XFILE::FileProperty type, const std::string &name = "") const
+  {
+    std::vector<std::string> values;
+    std::string value = GetProperty(type, name);
+    if (!value.empty())
+    {
+      values.emplace_back(value);
+    }
+    return values;
+  }
+};
+
+class CRedirectException
+{
+public:
+  IFile *m_pNewFileImp;
+  CURL  *m_pNewUrl;
+
+  CRedirectException();
+
+  CRedirectException(IFile *pNewFileImp, CURL *pNewUrl=NULL);
+};
+
+}