1 files changed, 64 insertions, 0 deletions
diff --git a/zen/file_io_base.h b/zen/file_io_base.h
new file mode 100644
index 00000000..f26cd8c2
--- /dev/null
+++ b/zen/file_io_base.h
@@ -0,0 +1,64 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
+// **************************************************************************
+
+#ifndef FILEIO_BASE_H_INCLUDED_23432431789615314
+#define FILEIO_BASE_H_INCLUDED_23432431789615314
+
+#include "zstring.h"
+
+namespace zen
+{
+class FileBase
+{
+public:
+    const Zstring& getFilename() const { return filename_; }
+
+protected:
+    FileBase(const Zstring& filename) : filename_(filename)  {}
+    ~FileBase() {}
+
+private:
+    FileBase(const FileBase&);
+    FileBase& operator=(const FileBase&);
+
+    const Zstring filename_;
+};
+
+
+class FileInputBase : public FileBase
+{
+public:
+    virtual size_t read(void* buffer, size_t bytesToRead) = 0; //throw FileError; returns actual number of bytes read
+    bool eof() const { return eofReached; } //end of file reached
+
+protected:
+    FileInputBase(const Zstring& filename) : FileBase(filename), eofReached(false) {}
+    ~FileInputBase() {}
+    void setEof() { eofReached = true; }
+
+private:
+    bool eofReached;
+};
+
+
+class FileOutputBase : public FileBase
+{
+public:
+    enum AccessFlag
+    {
+        ACC_OVERWRITE,
+        ACC_CREATE_NEW
+    };
+    virtual void write(const void* buffer, size_t bytesToWrite) = 0; //throw FileError
+
+protected:
+    FileOutputBase(const Zstring& filename) : FileBase(filename) {}
+    ~FileOutputBase() {}
+};
+
+}
+
+#endif //FILEIO_BASE_H_INCLUDED_23432431789615314