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-rw-r--r--dom/xslt/base/txNamespaceMap.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/dom/xslt/base/txNamespaceMap.cpp b/dom/xslt/base/txNamespaceMap.cpp
new file mode 100644
index 000000000..cb6c4b164
--- /dev/null
+++ b/dom/xslt/base/txNamespaceMap.cpp
@@ -0,0 +1,98 @@
+/* -*- 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 "txNamespaceMap.h"
+#include "nsGkAtoms.h"
+#include "txXPathNode.h"
+
+txNamespaceMap::txNamespaceMap()
+{
+}
+
+txNamespaceMap::txNamespaceMap(const txNamespaceMap& aOther)
+ : mPrefixes(aOther.mPrefixes)
+{
+ mNamespaces = aOther.mNamespaces; //bah! I want a copy-constructor!
+}
+
+nsresult
+txNamespaceMap::mapNamespace(nsIAtom* aPrefix, const nsAString& aNamespaceURI)
+{
+ nsIAtom* prefix = aPrefix == nsGkAtoms::_empty ? nullptr : aPrefix;
+
+ int32_t nsId;
+ if (prefix && aNamespaceURI.IsEmpty()) {
+ // Remove the mapping
+ int32_t index = mPrefixes.IndexOf(prefix);
+ if (index >= 0) {
+ mPrefixes.RemoveObjectAt(index);
+ mNamespaces.RemoveElementAt(index);
+ }
+
+ return NS_OK;
+ }
+
+ if (aNamespaceURI.IsEmpty()) {
+ // Set default to empty namespace
+ nsId = kNameSpaceID_None;
+ }
+ else {
+ nsId = txNamespaceManager::getNamespaceID(aNamespaceURI);
+ NS_ENSURE_FALSE(nsId == kNameSpaceID_Unknown, NS_ERROR_FAILURE);
+ }
+
+ // Check if the mapping already exists
+ int32_t index = mPrefixes.IndexOf(prefix);
+ if (index >= 0) {
+ mNamespaces.ElementAt(index) = nsId;
+
+ return NS_OK;
+ }
+
+ // New mapping
+ if (!mPrefixes.AppendObject(prefix)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ if (mNamespaces.AppendElement(nsId) == nullptr) {
+ mPrefixes.RemoveObjectAt(mPrefixes.Count() - 1);
+
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ return NS_OK;
+}
+
+int32_t
+txNamespaceMap::lookupNamespace(nsIAtom* aPrefix)
+{
+ if (aPrefix == nsGkAtoms::xml) {
+ return kNameSpaceID_XML;
+ }
+
+ nsIAtom* prefix = aPrefix == nsGkAtoms::_empty ? 0 : aPrefix;
+
+ int32_t index = mPrefixes.IndexOf(prefix);
+ if (index >= 0) {
+ return mNamespaces.SafeElementAt(index, kNameSpaceID_Unknown);
+ }
+
+ if (!prefix) {
+ return kNameSpaceID_None;
+ }
+
+ return kNameSpaceID_Unknown;
+}
+
+int32_t
+txNamespaceMap::lookupNamespaceWithDefault(const nsAString& aPrefix)
+{
+ nsCOMPtr<nsIAtom> prefix = NS_Atomize(aPrefix);
+ if (prefix != nsGkAtoms::_poundDefault) {
+ return lookupNamespace(prefix);
+ }
+
+ return lookupNamespace(nullptr);
+}