| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| // Class header file. |
| #include "XNodeSetBase.hpp" |
| |
| |
| |
| #include <xalanc/XalanDOM/XalanNode.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| #include <xalanc/PlatformSupport/DoubleSupport.hpp> |
| |
| |
| |
| #include <xalanc/DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include "FormatterStringLengthCounter.hpp" |
| #include "XObjectTypeCallback.hpp" |
| #include "XPathExecutionContext.hpp" |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| const double theBogusNumberValue = 123456789; |
| |
| |
| |
| XNodeSetBase::XNodeSetBase(MemoryManager& theMemoryManager) : |
| XObject(eTypeNodeSet, theMemoryManager), |
| m_proxy(*this), |
| m_cachedStringValue(theMemoryManager), |
| m_cachedNumberValue(theBogusNumberValue) |
| { |
| } |
| |
| |
| |
| XNodeSetBase::XNodeSetBase( |
| const XNodeSetBase& source, |
| MemoryManager& theMemoryManager) : |
| XObject(source, theMemoryManager), |
| m_proxy(*this), |
| m_cachedStringValue(source.m_cachedStringValue, theMemoryManager), |
| m_cachedNumberValue(source.m_cachedNumberValue) |
| { |
| } |
| |
| |
| |
| XNodeSetBase::~XNodeSetBase() |
| { |
| } |
| |
| |
| |
| const XalanDOMString& |
| XNodeSetBase::getTypeString() const |
| { |
| return s_nodesetString; |
| } |
| |
| |
| |
| double |
| XNodeSetBase::num(XPathExecutionContext& executionContext) const |
| { |
| if (DoubleSupport::equal(m_cachedNumberValue, theBogusNumberValue) == true) |
| { |
| m_cachedNumberValue = |
| DoubleSupport::toDouble( |
| str(executionContext), |
| getMemoryManager()); |
| } |
| |
| return m_cachedNumberValue; |
| } |
| |
| |
| |
| bool |
| XNodeSetBase::boolean(XPathExecutionContext& /* executionContext */) const |
| { |
| return getLength() > 0 ? true : false; |
| } |
| |
| |
| |
| const XalanDOMString& |
| XNodeSetBase::str(XPathExecutionContext& executionContext) const |
| { |
| if (m_cachedStringValue.empty() == true && |
| getLength() > 0) |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| DOMServices::getNodeData( |
| *theNode, |
| executionContext, |
| m_cachedStringValue); |
| } |
| |
| return m_cachedStringValue; |
| } |
| |
| |
| |
| const XalanDOMString& |
| XNodeSetBase::str() const |
| { |
| if (m_cachedStringValue.empty() == true && |
| getLength() > 0) |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| DOMServices::getNodeData( |
| *theNode, |
| m_cachedStringValue); |
| } |
| |
| return m_cachedStringValue; |
| } |
| |
| |
| |
| void |
| XNodeSetBase::str( |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| if (m_cachedStringValue.empty() == false) |
| { |
| XObject::string(m_cachedStringValue, formatterListener, function); |
| } |
| else if (getLength() > 0) |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| DOMServices::getNodeData( |
| *theNode, |
| executionContext, |
| formatterListener, |
| function); |
| } |
| } |
| |
| |
| |
| void |
| XNodeSetBase::str( |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| if (m_cachedStringValue.empty() == false) |
| { |
| XObject::string(m_cachedStringValue, formatterListener, function); |
| } |
| else if (getLength() > 0) |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| DOMServices::getNodeData( |
| *theNode, |
| formatterListener, |
| function); |
| } |
| } |
| |
| |
| |
| void |
| XNodeSetBase::str( |
| XPathExecutionContext& executionContext, |
| XalanDOMString& theBuffer) const |
| { |
| if (m_cachedStringValue.empty() == false) |
| { |
| theBuffer.append(m_cachedStringValue); |
| } |
| else if (getLength() > 0) |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| DOMServices::getNodeData( |
| *theNode, |
| executionContext, |
| theBuffer); |
| } |
| } |
| |
| |
| |
| void |
| XNodeSetBase::str(XalanDOMString& theBuffer) const |
| { |
| if (m_cachedStringValue.empty() == false) |
| { |
| theBuffer.append(m_cachedStringValue); |
| } |
| else if (getLength() > 0) |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| DOMServices::getNodeData( |
| *theNode, |
| theBuffer); |
| } |
| } |
| |
| |
| |
| double |
| XNodeSetBase::stringLength(XPathExecutionContext& executionContext) const |
| { |
| if (m_cachedStringValue.empty() == false) |
| { |
| return static_cast<double>(m_cachedStringValue.length()); |
| } |
| else if (getLength() == 0) |
| { |
| return 0; |
| } |
| else |
| { |
| const XalanNode* const theNode = item(0); |
| assert(theNode != 0); |
| |
| FormatterStringLengthCounter theCounter; |
| |
| DOMServices::getNodeData( |
| *theNode, |
| executionContext, |
| theCounter, |
| &FormatterListener::characters); |
| |
| return static_cast<double>(theCounter.getCount()); |
| } |
| } |
| |
| |
| |
| const XalanDocumentFragment& |
| XNodeSetBase::rtree() const |
| { |
| return m_proxy; |
| } |
| |
| |
| |
| void |
| XNodeSetBase::ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject) |
| { |
| theCallbackObject.NodeSet( |
| *this, |
| nodeset()); |
| } |
| |
| |
| |
| void |
| XNodeSetBase::ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject) const |
| { |
| theCallbackObject.NodeSet( |
| *this, |
| nodeset()); |
| } |
| |
| |
| |
| void |
| XNodeSetBase::clearCachedValues() |
| { |
| m_cachedNumberValue = theBogusNumberValue; |
| |
| m_cachedStringValue.clear(); |
| } |
| |
| |
| |
| } |