Initial

mdiwin/ISTREAM.HPP

@@ -0,0 +1,64 @@
+#ifndef _ISTREAM_HPP_
+#define _ISTREAM_HPP_
+#include <io.h>
+#include <fcntl.h>
+#include <share.h>
+#include <sys/stat.h>
+#include <mdiwin/windows.hpp>
+#include <mdiwin/types.hpp>
+
+class IStream
+{
+public:
+#if defined(__FLAT__)
+	typedef void * VPTR;
+#else
+	typedef void far * VPTR;
+#endif
+	IStream(const char *pathFileName);
+	virtual ~IStream();
+	WORD isOpen(void)const;
+	WORD getChar(void);
+	WORD getWord(void);
+	UCHAR currentChar(void)const;
+	USHORT currentWord(void)const;
+	void closeFile(void);
+private:
+	enum{MaxInputBuffer=6400};
+	HGLOBAL mhGlobalBuffer;
+	UCHAR FAR *mlpBuffer;
+	UCHAR FAR *mlpBufferPointer;
+	USHORT mBufferIndex;
+
+	short mFileDescriptor;
+	USHORT mCurrentWord;
+	UCHAR mCurrentChar;
+};
+
+inline
+UCHAR IStream::currentChar(void)const
+{
+  return mCurrentChar;
+}
+
+inline
+USHORT IStream::currentWord(void)const
+{
+	return mCurrentWord;
+}
+
+inline
+void IStream::closeFile(void)
+{
+	if(-1!=mFileDescriptor)::close(mFileDescriptor);
+	mFileDescriptor=-1;
+}
+
+inline
+WORD IStream::isOpen(void)const
+{
+	if(-1==mFileDescriptor)return FALSE;
+	return TRUE;
+}
+#endif
+