Source release v3.1.0

core/include/file_store.h

@@ -15,39 +15,54 @@ namespace wvcdm {
 
 // File class. The implementation is platform dependent.
 class File {
+ public:
+  virtual ssize_t Read(char* buffer, size_t bytes);
+  virtual ssize_t Write(const char* buffer, size_t bytes);
+  virtual void Close();
+
+ protected:
+  class Impl;
+
+  File(Impl*);
+  virtual ~File();
+
+ private:
+  Impl* impl_;
+
+  friend class FileSystem;
+  CORE_DISALLOW_COPY_AND_ASSIGN(File);
+};
+
+class FileSystem {
  public:
   class Impl;
 
   // defines as bit flag
   enum OpenFlags {
     kNoFlags = 0,
-    kBinary = 1,
-    kCreate = 2,
-    kReadOnly = 4,  // defaults to read and write access
-    kTruncate = 8
+    kCreate = 1,
+    kReadOnly = 2,  // defaults to read and write access
+    kTruncate = 4
   };
 
-  File();
-  virtual ~File();
+  FileSystem();
+  FileSystem(const std::string& origin, void* extra_data);
+  virtual ~FileSystem();
 
-  virtual bool Open(const std::string& file_path, int flags);
-  virtual ssize_t Read(char* buffer, size_t bytes);
-  virtual ssize_t Write(const char* buffer, size_t bytes);
-  virtual void Close();
+  virtual File* Open(const std::string& file_path, int flags);
 
   virtual bool Exists(const std::string& file_path);
   virtual bool Remove(const std::string& file_path);
-  virtual bool Copy(const std::string& old_path, const std::string& new_path);
-  virtual bool List(const std::string& path, std::vector<std::string>* files);
-  virtual bool CreateDirectory(const std::string dir_path);
-  virtual bool IsDirectory(const std::string& dir_path);
-  virtual bool IsRegularFile(const std::string& file_path);
   virtual ssize_t FileSize(const std::string& file_path);
 
+  const std::string& origin() const { return origin_; }
+  void SetOrigin(const std::string& origin);
+
  private:
   Impl* impl_;
+  std::string origin_;
 
-  CORE_DISALLOW_COPY_AND_ASSIGN(File);
+  CORE_DISALLOW_COPY_AND_ASSIGN(FileSystem);
 };
 
 }  // namespace wvcdm