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-rw-r--r--mailnews/mime/emitters/nsMimeRebuffer.cpp50
1 files changed, 50 insertions, 0 deletions
diff --git a/mailnews/mime/emitters/nsMimeRebuffer.cpp b/mailnews/mime/emitters/nsMimeRebuffer.cpp
new file mode 100644
index 000000000..0e68a586c
--- /dev/null
+++ b/mailnews/mime/emitters/nsMimeRebuffer.cpp
@@ -0,0 +1,50 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include <string.h>
+#include "nsMimeRebuffer.h"
+#include "prmem.h"
+
+MimeRebuffer::MimeRebuffer(void)
+{
+}
+
+MimeRebuffer::~MimeRebuffer(void)
+{
+}
+
+uint32_t
+MimeRebuffer::GetSize()
+{
+ return mBuf.Length();
+}
+
+uint32_t
+MimeRebuffer::IncreaseBuffer(const nsACString &addBuf)
+{
+ mBuf.Append(addBuf);
+ return mBuf.Length();
+}
+
+uint32_t
+MimeRebuffer::ReduceBuffer(uint32_t numBytes)
+{
+ if (numBytes == 0)
+ return mBuf.Length();
+
+ if (numBytes >= mBuf.Length())
+ {
+ mBuf.Truncate();
+ return 0;
+ }
+
+ mBuf.Cut(0, numBytes);
+ return mBuf.Length();
+}
+
+nsACString &
+MimeRebuffer::GetBuffer()
+{
+ return mBuf;
+}