import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/xslt/xpath/txNameTest.cpp

@@ -0,0 +1,95 @@
+/* -*- 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 "txExpr.h"
+#include "nsIAtom.h"
+#include "nsGkAtoms.h"
+#include "txXPathTreeWalker.h"
+#include "txIXPathContext.h"
+
+txNameTest::txNameTest(nsIAtom* aPrefix, nsIAtom* aLocalName, int32_t aNSID,
+                       uint16_t aNodeType)
+    :mPrefix(aPrefix), mLocalName(aLocalName), mNamespace(aNSID),
+     mNodeType(aNodeType)
+{
+    if (aPrefix == nsGkAtoms::_empty)
+        mPrefix = nullptr;
+    NS_ASSERTION(aLocalName, "txNameTest without a local name?");
+    NS_ASSERTION(aNodeType == txXPathNodeType::DOCUMENT_NODE ||
+                 aNodeType == txXPathNodeType::ELEMENT_NODE ||
+                 aNodeType == txXPathNodeType::ATTRIBUTE_NODE,
+                 "Go fix txNameTest::matches");
+}
+
+bool txNameTest::matches(const txXPathNode& aNode, txIMatchContext* aContext)
+{
+    if ((mNodeType == txXPathNodeType::ELEMENT_NODE &&
+         !txXPathNodeUtils::isElement(aNode)) ||
+        (mNodeType == txXPathNodeType::ATTRIBUTE_NODE &&
+         !txXPathNodeUtils::isAttribute(aNode)) ||
+        (mNodeType == txXPathNodeType::DOCUMENT_NODE &&
+         !txXPathNodeUtils::isRoot(aNode))) {
+        return false;
+    }
+
+    // Totally wild?
+    if (mLocalName == nsGkAtoms::_asterisk && !mPrefix)
+        return true;
+
+    // Compare namespaces
+    if (mNamespace != txXPathNodeUtils::getNamespaceID(aNode) 
+        && !(mNamespace == kNameSpaceID_None &&
+             txXPathNodeUtils::isHTMLElementInHTMLDocument(aNode))
+       )
+        return false;
+
+    // Name wild?
+    if (mLocalName == nsGkAtoms::_asterisk)
+        return true;
+
+    // Compare local-names
+    return txXPathNodeUtils::localNameEquals(aNode, mLocalName);
+}
+
+/*
+ * Returns the default priority of this txNodeTest
+ */
+double txNameTest::getDefaultPriority()
+{
+    if (mLocalName == nsGkAtoms::_asterisk) {
+        if (!mPrefix)
+            return -0.5;
+        return -0.25;
+    }
+    return 0;
+}
+
+txNodeTest::NodeTestType
+txNameTest::getType()
+{
+    return NAME_TEST;
+}
+
+bool
+txNameTest::isSensitiveTo(Expr::ContextSensitivity aContext)
+{
+    return !!(aContext & Expr::NODE_CONTEXT);
+}
+
+#ifdef TX_TO_STRING
+void
+txNameTest::toString(nsAString& aDest)
+{
+    if (mPrefix) {
+        nsAutoString prefix;
+        mPrefix->ToString(prefix);
+        aDest.Append(prefix);
+        aDest.Append(char16_t(':'));
+    }
+    nsAutoString localName;
+    mLocalName->ToString(localName);
+    aDest.Append(localName);
+}
+#endif