1 files changed, 57 insertions, 0 deletions
diff --git a/comm/mailnews/news/src/nsNewsUtils.cpp b/comm/mailnews/news/src/nsNewsUtils.cpp
new file mode 100644
index 0000000000..b9afed9c95
--- /dev/null
+++ b/comm/mailnews/news/src/nsNewsUtils.cpp
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 2; 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 "msgCore.h"
+#include "nntpCore.h"
+#include "nsNewsUtils.h"
+#include "nsMsgUtils.h"
+
+/* parses NewsMessageURI */
+nsresult nsParseNewsMessageURI(const nsACString& uri, nsCString& group,
+                               nsMsgKey* key) {
+  NS_ENSURE_ARG_POINTER(key);
+
+  const nsPromiseFlatCString& uriStr = PromiseFlatCString(uri);
+  int32_t keySeparator = uriStr.FindChar('#');
+  if (keySeparator != -1) {
+    int32_t keyEndSeparator = MsgFindCharInSet(uriStr, "?&", keySeparator);
+
+    // Grab between the last '/' and the '#' for the key
+    group = StringHead(uriStr, keySeparator);
+    int32_t groupSeparator = group.RFind("/");
+    if (groupSeparator == -1) return NS_ERROR_FAILURE;
+
+    // Our string APIs don't let us unescape into the same buffer from earlier,
+    // so escape into a temporary
+    nsAutoCString unescapedGroup;
+    MsgUnescapeString(Substring(group, groupSeparator + 1), 0, unescapedGroup);
+    group = unescapedGroup;
+
+    nsAutoCString keyStr;
+    if (keyEndSeparator != -1)
+      keyStr = Substring(uriStr, keySeparator + 1,
+                         keyEndSeparator - (keySeparator + 1));
+    else
+      keyStr = Substring(uriStr, keySeparator + 1);
+    nsresult errorCode;
+    *key = keyStr.ToInteger(&errorCode);
+
+    return errorCode;
+  }
+  return NS_ERROR_FAILURE;
+}
+
+nsresult nsCreateNewsBaseMessageURI(const nsACString& baseURI,
+                                    nsCString& baseMessageURI) {
+  nsAutoCString tailURI(baseURI);
+
+  // chop off news:/
+  if (tailURI.Find(kNewsRootURI) == 0) tailURI.Cut(0, PL_strlen(kNewsRootURI));
+
+  baseMessageURI = kNewsMessageRootURI;
+  baseMessageURI += tailURI;
+
+  return NS_OK;
+}