1 files changed, 56 insertions, 0 deletions
diff --git a/intl/unicharutil/nsSaveAsCharset.cpp b/intl/unicharutil/nsSaveAsCharset.cpp
new file mode 100644
index 000000000..2b05c9677
--- /dev/null
+++ b/intl/unicharutil/nsSaveAsCharset.cpp
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "nsSaveAsCharset.h"
+#include "mozilla/dom/EncodingUtils.h"
+
+//
+// nsISupports methods
+//
+NS_IMPL_ISUPPORTS(nsSaveAsCharset, nsISaveAsCharset)
+
+//
+// nsSaveAsCharset
+//
+nsSaveAsCharset::nsSaveAsCharset()
+{
+}
+
+nsSaveAsCharset::~nsSaveAsCharset()
+{
+}
+
+NS_IMETHODIMP
+nsSaveAsCharset::Init(const nsACString& aCharset, uint32_t aIgnored, uint32_t aAlsoIgnored)
+{
+  nsAutoCString encoding;
+  if (!mozilla::dom::EncodingUtils::FindEncodingForLabelNoReplacement(aCharset, encoding)) {
+    return NS_ERROR_DOM_ENCODING_NOT_SUPPORTED_ERR;
+  }
+  mEncoder = new nsNCRFallbackEncoderWrapper(encoding);
+  mCharset.Assign(encoding);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSaveAsCharset::Convert(const nsAString& aIn, nsACString& aOut)
+{
+  if (!mEncoder) {
+    return NS_ERROR_DOM_ENCODING_NOT_SUPPORTED_ERR;
+  }
+
+  if (!mEncoder->Encode(aIn, aOut)) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP 
+nsSaveAsCharset::GetCharset(nsACString& aCharset)
+{
+  aCharset.Assign(mCharset);
+  return NS_OK;
+}