updated to use mozilla/base nsFileStream

network/cache/nu/public/nsCacheFileStream.h

@@ -0,0 +1,80 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+
+/* nsCacheFileStream. The file/disk based implementation of the nsStream class.
+ * It basically maps the read write functions to the file equivalents.
+ * 
+ * -Gagan Saksena 09/15/98
+ */
+#ifndef nsCacheFileStream_h__
+#define nsCacheFileStream_h__
+
+//#include "nsISupports.h"
+#include "nsStream.h"
+#include "prio.h" // PRFileDesc
+
+/* now using the _real_ nsFileStream */
+#include "nsFileSpec.h"
+#include "nsFileStream.h"
+
+class nsCacheFileStream: public nsStream
+{
+
+public:
+            nsCacheFileStream(const char* i_Filename);
+    virtual ~nsCacheFileStream();
+/*
+    NS_IMETHOD              QueryInterface(const nsIID& aIID, 
+                                           void** aInstancePtr);
+    NS_IMETHOD_(nsrefcnt)   AddRef(void);
+    NS_IMETHOD_(nsrefcnt)   Release(void);
+*/
+#ifdef NU_CACHE_FILE_STREAM
+    PRFileDesc* FileDesc(void);
+#endif
+
+    PRInt32     Read(void* o_Buffer, PRUint32 i_Len);
+    void        Reset(void);
+    PRInt32     Write(const void* i_Buffer, PRUint32 i_Len);
+
+protected:
+
+    PRBool      Open(void);
+
+private:
+    nsCacheFileStream(const nsCacheFileStream& o);
+    nsCacheFileStream& operator=(const nsCacheFileStream& o);
+#ifdef NU_CACHE_FILE_STREAM
+    PRFileDesc* m_pFile;    
+#else
+    nsIOFileStream *m_pFile;
+#endif
+    char* m_pFilename;
+};
+
+#ifdef NU_CACHE_FILE_STREAM
+inline
+PRFileDesc* nsCacheFileStream::FileDesc(void)
+{
+    return m_pFile;
+}
+#endif
+
+#endif // nsCacheFileStream_h__
+