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/* -*- Mode: C++; tab-width: 4; 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 "txExpr.h"
#include "nsAtom.h"
#include "nsGkAtoms.h"
#include "txXPathTreeWalker.h"
#include "txIXPathContext.h"
txNameTest::txNameTest(nsAtom* aPrefix, nsAtom* 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");
}
nsresult txNameTest::matches(const txXPathNode& aNode,
txIMatchContext* aContext, bool& aMatched) {
if ((mNodeType == txXPathNodeType::ELEMENT_NODE &&
!txXPathNodeUtils::isElement(aNode)) ||
(mNodeType == txXPathNodeType::ATTRIBUTE_NODE &&
!txXPathNodeUtils::isAttribute(aNode)) ||
(mNodeType == txXPathNodeType::DOCUMENT_NODE &&
!txXPathNodeUtils::isRoot(aNode))) {
aMatched = false;
return NS_OK;
}
// Totally wild?
if (mLocalName == nsGkAtoms::_asterisk && !mPrefix) {
aMatched = true;
return NS_OK;
}
// Compare namespaces
if (mNamespace != txXPathNodeUtils::getNamespaceID(aNode) &&
!(mNamespace == kNameSpaceID_None &&
txXPathNodeUtils::isHTMLElementInHTMLDocument(aNode))) {
aMatched = false;
return NS_OK;
}
// Name wild?
if (mLocalName == nsGkAtoms::_asterisk) {
aMatched = true;
return NS_OK;
}
// Compare local-names
aMatched = txXPathNodeUtils::localNameEquals(aNode, mLocalName);
return NS_OK;
}
/*
* 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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