| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed 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 "XResultTreeFrag.hpp" |
| |
| |
| |
| #include <xalanc/XalanDOM/XalanDocumentFragment.hpp> |
| #include <xalanc/XalanDOM/XalanNodeList.hpp> |
| #include <xalanc/XalanDOM/XalanText.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| #include <xalanc/PlatformSupport/DoubleSupport.hpp> |
| |
| |
| |
| #include <xalanc/DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include <xalanc/XPath/FormatterStringLengthCounter.hpp> |
| #include <xalanc/XPath/NodeRefListBase.hpp> |
| #include <xalanc/XPath/XObjectTypeCallback.hpp> |
| |
| |
| |
| #include <xalanc/XSLT/StylesheetExecutionContext.hpp> |
| |
| |
| |
| XALAN_CPP_NAMESPACE_BEGIN |
| |
| |
| |
| inline const XalanDOMString* |
| getSingleTextChildValue(const XalanDocumentFragment& theRTreeFrag) |
| { |
| const XalanNode* const theFirstChild = theRTreeFrag.getFirstChild(); |
| |
| if (theFirstChild != 0 && |
| theFirstChild->getNodeType() == XalanNode::TEXT_NODE && |
| theFirstChild->getNextSibling() == 0) |
| { |
| return &theFirstChild->getNodeValue(); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| |
| |
| XResultTreeFrag::XResultTreeFrag(XalanDocumentFragment& value) : |
| XObject(eTypeResultTreeFrag), |
| m_value(&value), |
| m_singleTextChildValue(getSingleTextChildValue(value)), |
| m_executionContext(0), |
| m_cachedStringValue(), |
| m_cachedNumberValue(0.0) |
| { |
| } |
| |
| |
| |
| XResultTreeFrag::XResultTreeFrag( |
| const XResultTreeFrag& source, |
| bool /* deepClone */) : |
| XObject(source), |
| m_value(source.m_value), |
| m_singleTextChildValue(source.m_singleTextChildValue), |
| m_executionContext(0), |
| m_cachedStringValue(source.m_cachedStringValue), |
| m_cachedNumberValue(source.m_cachedNumberValue) |
| { |
| assert(m_value != 0); |
| } |
| |
| |
| |
| XResultTreeFrag::~XResultTreeFrag() |
| { |
| } |
| |
| |
| |
| #if defined(XALAN_NO_COVARIANT_RETURN_TYPE) |
| XObject* |
| #else |
| XResultTreeFrag* |
| #endif |
| XResultTreeFrag::clone(void* theAddress) const |
| { |
| if (theAddress == 0) |
| { |
| return new XResultTreeFrag(*this); |
| } |
| else |
| { |
| return new (theAddress) XResultTreeFrag(*this); |
| } |
| } |
| |
| |
| |
| const XalanDOMString& |
| XResultTreeFrag::getTypeString() const |
| { |
| return s_resultTreeFragmentString; |
| } |
| |
| |
| |
| double |
| XResultTreeFrag::num() const |
| { |
| if (m_cachedNumberValue == 0.0) |
| { |
| #if defined(XALAN_NO_MUTABLE) |
| ((XResultTreeFrag*)this)->m_cachedNumberValue = DoubleSupport::toDouble(str()); |
| #else |
| m_cachedNumberValue = DoubleSupport::toDouble(str()); |
| #endif |
| } |
| |
| return m_cachedNumberValue; |
| } |
| |
| |
| |
| bool |
| XResultTreeFrag::boolean() const |
| { |
| // Result tree fragments always evaluate to true. |
| return true; |
| } |
| |
| |
| |
| const XalanDOMString& |
| XResultTreeFrag::str() const |
| { |
| if (m_singleTextChildValue != 0) |
| { |
| assert(m_value->getFirstChild() != 0 && |
| m_value->getFirstChild()->getNodeType() == XalanNode::TEXT_NODE); |
| |
| return *m_singleTextChildValue; |
| } |
| else if (isEmpty(m_cachedStringValue) == true) |
| { |
| #if defined(XALAN_NO_MUTABLE) |
| DOMServices::getNodeData(*m_value, ((XResultTreeFrag*)this)->m_cachedStringValue); |
| #else |
| DOMServices::getNodeData(*m_value, m_cachedStringValue); |
| #endif |
| } |
| |
| return m_cachedStringValue; |
| } |
| |
| |
| |
| void |
| XResultTreeFrag::str( |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| if (m_singleTextChildValue != 0) |
| { |
| assert(m_value->getFirstChild() != 0 && |
| m_value->getFirstChild()->getNodeType() == XalanNode::TEXT_NODE); |
| |
| assert(length(*m_singleTextChildValue) == FormatterListener::size_type(length(*m_singleTextChildValue))); |
| |
| (formatterListener.*function)(c_wstr(*m_singleTextChildValue), FormatterListener::size_type(length(*m_singleTextChildValue))); |
| } |
| else if (isEmpty(m_cachedStringValue) == false) |
| { |
| assert(length(m_cachedStringValue) == FormatterListener::size_type(length(m_cachedStringValue))); |
| |
| (formatterListener.*function)(c_wstr(m_cachedStringValue), FormatterListener::size_type(length(m_cachedStringValue))); |
| } |
| else |
| { |
| DOMServices::getNodeData(*m_value, formatterListener, function); |
| } |
| } |
| |
| |
| |
| void |
| XResultTreeFrag::str(XalanDOMString& theBuffer) const |
| { |
| if (m_singleTextChildValue != 0) |
| { |
| append(theBuffer, *m_singleTextChildValue); |
| } |
| else if (isEmpty(m_cachedStringValue) == false) |
| { |
| append(theBuffer, m_cachedStringValue); |
| } |
| else |
| { |
| DOMServices::getNodeData(*m_value, theBuffer); |
| } |
| } |
| |
| |
| |
| double |
| XResultTreeFrag::stringLength() const |
| { |
| if (m_singleTextChildValue != 0) |
| { |
| return m_singleTextChildValue->length(); |
| } |
| else if (isEmpty(m_cachedStringValue) == false) |
| { |
| return length(m_cachedStringValue); |
| } |
| else |
| { |
| FormatterStringLengthCounter theCounter; |
| |
| DOMServices::getNodeData(*m_value, theCounter, &FormatterListener::characters); |
| |
| return theCounter.getCount(); |
| } |
| } |
| |
| |
| |
| const XalanDocumentFragment& |
| XResultTreeFrag::rtree() const |
| { |
| assert(m_value != 0); |
| |
| return *m_value; |
| } |
| |
| |
| |
| const NodeRefListBase& |
| XResultTreeFrag::nodeset() const |
| { |
| return ParentType::nodeset(); |
| } |
| |
| |
| |
| void |
| XResultTreeFrag::ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject) |
| { |
| theCallbackObject.ResultTreeFragment(*this, |
| rtree()); |
| } |
| |
| |
| |
| void |
| XResultTreeFrag::ProcessXObjectTypeCallback(XObjectTypeCallback& theCallbackObject) const |
| { |
| theCallbackObject.ResultTreeFragment(*this, |
| rtree()); |
| } |
| |
| |
| |
| XalanDocumentFragment* |
| XResultTreeFrag::release() |
| { |
| m_singleTextChildValue = 0; |
| |
| clear(m_cachedStringValue); |
| |
| m_cachedNumberValue = 0.0; |
| |
| XalanDocumentFragment* const temp = m_value; |
| |
| m_value = 0; |
| |
| return temp; |
| } |
| |
| |
| |
| void |
| XResultTreeFrag::set(XalanDocumentFragment& theValue) |
| { |
| release(); |
| |
| m_value = &theValue; |
| |
| m_singleTextChildValue = getSingleTextChildValue(*m_value); |
| } |
| |
| |
| |
| void |
| XResultTreeFrag::dereferenced() |
| { |
| if (m_executionContext == 0 || |
| // We're dead after we call this, if it returns true; |
| m_executionContext->returnXResultTreeFrag(this) == false) |
| { |
| delete m_value; |
| |
| delete this; |
| } |
| } |
| |
| |
| |
| XALAN_CPP_NAMESPACE_END |