Add Memory class

[libs/core.git] / source / memory.h

diff --git a/source/memory.h b/source/memory.h
new file mode 100644 (file)
index 0000000..7ff5316
--- /dev/null
+++ b/source/memory.h
@@ -0,0 +1,48 @@
+/* $Id$
+
+This file is part of libmspio
+Copyright © 2009 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#ifndef MSP_IO_MEMORY_H_
+#define MSP_IO_MEMORY_H_
+
+#include "base.h"
+#include "seek.h"
+
+namespace Msp {
+namespace IO {
+
+class Memory: public Base
+{
+private:
+       char *begin;
+       char *end;
+       char *pos;
+
+public:
+       Memory(char *, unsigned);
+       Memory(char *, char *);
+       Memory(const char *, unsigned);
+       Memory(const char *, const char *);
+private:
+       void init(char *, char *, Mode);
+
+public:
+       virtual unsigned put(char);
+       virtual bool getline(std::string &);
+       virtual int get();
+       unsigned seek(int, SeekType);
+       unsigned tell() const { return pos-begin; }
+       virtual Handle get_event_handle();
+private:
+       virtual unsigned do_write(const char *, unsigned);
+       virtual unsigned do_read(char *, unsigned);
+       void check_mode(Mode) const;
+};
+
+} // namespace IO
+} // namespace Msp
+
+#endif