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/* -*- 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
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