Started adding encode stream for necko posting.

git-svn-id: svn://10.0.0.236/trunk@40265 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/netwerk/protocol/http/src/nsHTTPEncodeStream.cpp

@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsHTTPEncodeStream.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// nsHTTPEncodeStream methods:
+
+nsHTTPEncodeStream::nsHTTPEncodeStream()
+    : mInput(nsnull)
+{
+    NS_INIT_REFCNT();
+}
+
+nsresult
+nsHTTPEncodeStream::Init(nsIInputStream* in)
+{
+    mInput = in;
+    NS_ADDREF(mInput);
+    return NS_OK;
+}
+
+nsHTTPEncodeStream::~nsHTTPEncodeStream()
+{
+    NS_IF_RELEASE(mInput);
+}
+
+NS_IMPL_ISUPPORTS(nsHTTPEncodeStream, nsIInputStream::GetIID());
+
+NS_METHOD
+nsHTTPEncodeStream::Create(nsIInputStream *rawStream, nsIInputStream **result)
+{
+    nsHTTPEncodeStream* str = new nsHTTPEncodeStream();
+    if (str == nsnull)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    nsresult rv = str->Init(rawStream);
+    if (NS_FAILED(rv)) {
+        NS_RELEASE(str);
+        return rv;
+    }
+    *result = str;
+    return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIBaseStream methods:
+
+NS_IMETHODIMP
+nsHTTPEncodeStream::Close(void)
+{
+    return mInput->Close();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIInputStream methods:
+
+NS_IMETHODIMP
+nsHTTPEncodeStream::GetLength(PRUint32 *result)
+{
+    // XXX Ugh! This requires buffering up the translation so that you can
+    // count it, because to walk it consumes the input.
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsHTTPEncodeStream::Read(char * buf, PRUint32 count, PRUint32 *result)
+{
+#define BUF_SIZE        1024
+    char buffer[BUF_SIZE];
+    nsresult rv;
+
+    PRUint32 amt;
+    rv = mInput->Read(buffer, BUF_SIZE, &amt);
+    if (NS_FAILED(rv)) return rv;
+    if (rv == NS_BASE_STREAM_WOULD_BLOCK)
+        return rv;
+
+    
+
+    return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////