1 files changed, 78 insertions, 0 deletions
diff --git a/dom/xslt/base/txURIUtils.cpp b/dom/xslt/base/txURIUtils.cpp
new file mode 100644
index 000000000..3f3556f80
--- /dev/null
+++ b/dom/xslt/base/txURIUtils.cpp
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "txURIUtils.h"
+#include "nsNetUtil.h"
+#include "nsIDocument.h"
+#include "nsIHttpChannelInternal.h"
+#include "nsIPrincipal.h"
+#include "mozilla/LoadInfo.h"
+
+using mozilla::net::LoadInfo;
+
+/**
+ * URIUtils
+ * A set of utilities for handling URIs
+**/
+
+/**
+ * Resolves the given href argument, using the given documentBase
+ * if necessary.
+ * The new resolved href will be appended to the given dest String
+**/
+void URIUtils::resolveHref(const nsAString& href, const nsAString& base,
+                           nsAString& dest) {
+    if (base.IsEmpty()) {
+        dest.Append(href);
+        return;
+    }
+    if (href.IsEmpty()) {
+        dest.Append(base);
+        return;
+    }
+    nsCOMPtr<nsIURI> pURL;
+    nsAutoString resultHref;
+    nsresult result = NS_NewURI(getter_AddRefs(pURL), base);
+    if (NS_SUCCEEDED(result)) {
+        NS_MakeAbsoluteURI(resultHref, href, pURL);
+        dest.Append(resultHref);
+    }
+} //-- resolveHref
+
+// static
+void
+URIUtils::ResetWithSource(nsIDocument *aNewDoc, nsINode *aSourceNode)
+{
+    nsCOMPtr<nsIDocument> sourceDoc = aSourceNode->OwnerDoc();
+    nsIPrincipal* sourcePrincipal = sourceDoc->NodePrincipal();
+
+    // Copy the channel and loadgroup from the source document.
+    nsCOMPtr<nsILoadGroup> loadGroup = sourceDoc->GetDocumentLoadGroup();
+    nsCOMPtr<nsIChannel> channel = sourceDoc->GetChannel();
+    if (!channel) {
+        // Need to synthesize one
+        nsresult rv = NS_NewChannel(getter_AddRefs(channel),
+                                    sourceDoc->GetDocumentURI(),
+                                    sourceDoc,
+                                    nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL,
+                                    nsIContentPolicy::TYPE_OTHER,
+                                    loadGroup,
+                                    nullptr, // aCallbacks
+                                    nsIChannel::LOAD_BYPASS_SERVICE_WORKER);
+
+        if (NS_FAILED(rv)) {
+            return;
+        }
+    }
+
+    aNewDoc->Reset(channel, loadGroup);
+    aNewDoc->SetPrincipal(sourcePrincipal);
+    aNewDoc->SetBaseURI(sourceDoc->GetDocBaseURI());
+
+    // Copy charset
+    aNewDoc->SetDocumentCharacterSetSource(
+          sourceDoc->GetDocumentCharacterSetSource());
+    aNewDoc->SetDocumentCharacterSet(sourceDoc->GetDocumentCharacterSet());
+}