| /* |
| * 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 "XObject.hpp" |
| |
| |
| |
| #include <xalanc/XalanDOM/XalanNode.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DoubleSupport.hpp> |
| #include <xalanc/PlatformSupport/XalanMessageLoader.hpp> |
| #include <xalanc/PlatformSupport/XalanUnicode.hpp> |
| |
| |
| |
| #include <xalanc/DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include "NodeRefList.hpp" |
| #include "XObjectFactory.hpp" |
| #include "XPathExecutionContext.hpp" |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| static XalanDOMString s_localBooleanString(XalanMemMgrs::getDummyMemMgr()); |
| static XalanDOMString s_localFalseString(XalanMemMgrs::getDummyMemMgr()); |
| static XalanDOMString s_localNodesetString(XalanMemMgrs::getDummyMemMgr()); |
| static XalanDOMString s_localNumberString(XalanMemMgrs::getDummyMemMgr()); |
| static XalanDOMString s_localResultTreeFragmentString(XalanMemMgrs::getDummyMemMgr()); |
| static XalanDOMString s_localStringString(XalanMemMgrs::getDummyMemMgr()); |
| static XalanDOMString s_localTrueString(XalanMemMgrs::getDummyMemMgr()); |
| |
| |
| |
| const XalanDOMString& XObject::s_booleanString = |
| s_localBooleanString; |
| |
| const XalanDOMString& XObject::s_falseString = |
| s_localFalseString; |
| |
| const XalanDOMString& XObject::s_nodesetString = |
| s_localNodesetString; |
| |
| const XalanDOMString& XObject::s_numberString = |
| s_localNumberString; |
| |
| const XalanDOMString& XObject::s_resultTreeFragmentString = |
| s_localResultTreeFragmentString; |
| |
| const XalanDOMString& XObject::s_stringString = |
| s_localStringString; |
| |
| const XalanDOMString& XObject::s_trueString = |
| s_localTrueString; |
| |
| const XalanDOMString XObject::s_emptyString(XalanMemMgrs::getDummyMemMgr()); |
| |
| |
| static const XalanDOMChar s_boolean[] = |
| { |
| XalanUnicode::charLetter_b, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_l, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_a, |
| XalanUnicode::charLetter_n, |
| 0 |
| }; |
| |
| static const XalanDOMChar s_false[] = |
| { |
| XalanUnicode::charLetter_f, |
| XalanUnicode::charLetter_a, |
| XalanUnicode::charLetter_l, |
| XalanUnicode::charLetter_s, |
| XalanUnicode::charLetter_e, |
| 0 |
| }; |
| |
| static const XalanDOMChar s_number[] = |
| { |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_u, |
| XalanUnicode::charLetter_m, |
| XalanUnicode::charLetter_b, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_r, |
| 0 |
| }; |
| |
| static const XalanDOMChar s_nodeset[] = |
| { |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_d, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charHyphenMinus, |
| XalanUnicode::charLetter_s, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_t, |
| 0 |
| }; |
| |
| static const XalanDOMChar s_resultTreeFragment[] = |
| { |
| XalanUnicode::charLetter_r, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_s, |
| XalanUnicode::charLetter_u, |
| XalanUnicode::charLetter_l, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charSpace, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_r, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charSpace, |
| XalanUnicode::charLetter_f, |
| XalanUnicode::charLetter_r, |
| XalanUnicode::charLetter_a, |
| XalanUnicode::charLetter_g, |
| XalanUnicode::charLetter_m, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_t, |
| 0 |
| }; |
| |
| static const XalanDOMChar s_string[] = |
| { |
| XalanUnicode::charLetter_s, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_r, |
| XalanUnicode::charLetter_i, |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_g, |
| 0 |
| }; |
| |
| static const XalanDOMChar s_true[] = |
| { |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_r, |
| XalanUnicode::charLetter_u, |
| XalanUnicode::charLetter_e, |
| 0 |
| }; |
| |
| |
| void |
| XObject::initialize(MemoryManager& theManager) |
| { |
| s_localBooleanString.reset(theManager, s_boolean); |
| s_localFalseString.reset(theManager, s_false); |
| s_localNodesetString.reset(theManager, s_nodeset); |
| s_localNumberString.reset(theManager, s_number); |
| s_localResultTreeFragmentString.reset(theManager, s_resultTreeFragment); |
| s_localStringString.reset(theManager, s_string); |
| s_localTrueString.reset(theManager, s_true); |
| } |
| |
| |
| |
| void |
| XObject::terminate() |
| { |
| releaseMemory(s_localBooleanString, XalanMemMgrs::getDummyMemMgr()); |
| releaseMemory(s_localFalseString, XalanMemMgrs::getDummyMemMgr()); |
| releaseMemory(s_localNodesetString, XalanMemMgrs::getDummyMemMgr()); |
| releaseMemory(s_localNumberString, XalanMemMgrs::getDummyMemMgr()); |
| releaseMemory(s_localResultTreeFragmentString, XalanMemMgrs::getDummyMemMgr()); |
| releaseMemory(s_localStringString, XalanMemMgrs::getDummyMemMgr()); |
| releaseMemory(s_localTrueString, XalanMemMgrs::getDummyMemMgr()); |
| } |
| |
| |
| |
| XObject::XObject( |
| eObjectType theObjectType, |
| MemoryManager& theMemoryManager) : |
| m_objectType(theObjectType), |
| m_factory(0), |
| m_memoryManager(&theMemoryManager) |
| { |
| } |
| |
| |
| |
| XObject::XObject( |
| const XObject& source, |
| MemoryManager& theMemoryManager) : |
| m_objectType(source.m_objectType), |
| m_factory(0), |
| m_memoryManager(&theMemoryManager) |
| { |
| } |
| |
| |
| |
| XObject::XObject(const XObject& source) : |
| m_objectType(source.m_objectType), |
| m_factory(0), |
| m_memoryManager(source.m_memoryManager) |
| { |
| } |
| |
| |
| |
| XObject::~XObject() |
| { |
| } |
| |
| |
| |
| XObject::eObjectType |
| XObject::getRealType() const |
| { |
| return m_objectType; |
| } |
| |
| |
| |
| void |
| XObject::referenced() |
| { |
| } |
| |
| |
| |
| double |
| XObject::number( |
| XPathExecutionContext& executionContext, |
| const XalanNode& theNode) |
| { |
| const GetCachedString theGuard(executionContext); |
| |
| XalanDOMString& theString = theGuard.get(); |
| |
| XObject::string(theNode, executionContext, theString); |
| |
| return XObject::number(theString, executionContext.getMemoryManager()); |
| } |
| |
| |
| |
| double |
| XObject::number( |
| XPathExecutionContext& executionContext, |
| const NodeRefListBase& theNodeList) |
| { |
| if (theNodeList.getLength() == 0) |
| { |
| return number(s_emptyString, executionContext.getMemoryManager()); |
| } |
| else |
| { |
| assert(theNodeList.item(0) != 0); |
| |
| return number(executionContext, *theNodeList.item(0)); |
| } |
| } |
| |
| |
| |
| void |
| XObject::dereferenced() |
| { |
| if (m_factory != 0) |
| { |
| m_factory->returnObject(this); |
| } |
| } |
| |
| |
| |
| double |
| XObject::num(XPathExecutionContext& executionContext) const |
| { |
| return DoubleSupport::toDouble(str(executionContext), *m_memoryManager); |
| } |
| |
| |
| |
| double |
| XObject::num() const |
| { |
| return DoubleSupport::toDouble(str(), *m_memoryManager); |
| } |
| |
| |
| |
| static const XalanDocumentFragment* const s_dummyFragment = 0; |
| |
| const XalanDocumentFragment& |
| XObject::rtree() const |
| { |
| throwInvalidConversionException(s_stringString); |
| |
| // This is only to satisfy the compiler. |
| return *s_dummyFragment; |
| } |
| |
| |
| |
| static const NodeRefList s_dummyList(XalanMemMgrs::getDummyMemMgr()); |
| |
| |
| |
| static const NodeRefListBase* const s_dummyNodeset= 0; |
| |
| const NodeRefListBase& |
| XObject::nodeset() const |
| { |
| throwInvalidConversionException(s_stringString); |
| |
| // This is only to satisfy the compiler. |
| return *s_dummyNodeset; |
| } |
| |
| |
| |
| inline void |
| getStringFromNode( |
| const XalanNode& theNode, |
| XPathExecutionContext& theContext, |
| XalanDOMString& theString) |
| { |
| DOMServices::getNodeData(theNode, theContext, theString); |
| } |
| |
| |
| |
| struct |
| getStringFromNodeFunction |
| { |
| getStringFromNodeFunction(XPathExecutionContext& executionContext) : |
| m_executionContext(executionContext) |
| { |
| } |
| |
| void |
| operator()( |
| const XalanNode& theNode, |
| XalanDOMString& theString) const |
| { |
| getStringFromNode(theNode, m_executionContext, theString); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| typedef XObject::GetCachedString GetCachedString; |
| |
| struct |
| getNumberFromNodeFunction |
| { |
| getNumberFromNodeFunction(XPathExecutionContext& executionContext) : |
| m_executionContext(executionContext) |
| { |
| } |
| |
| double |
| operator()(const XalanNode& theNode) const |
| { |
| return getNumberFromNode(theNode); |
| } |
| |
| void |
| operator()( |
| const XalanNode& theNode, |
| double& theNumber) const |
| { |
| getNumberFromNode(theNode, theNumber); |
| } |
| |
| private: |
| |
| double |
| getNumberFromNode(const XalanNode& theNode) const |
| { |
| const GetCachedString theString(m_executionContext); |
| |
| getStringFromNode(theNode, m_executionContext, theString.get()); |
| |
| return DoubleSupport::toDouble(theString.get(), m_executionContext.getMemoryManager()); |
| } |
| |
| void |
| getNumberFromNode( |
| const XalanNode& theNode, |
| double& theNumber) const |
| { |
| theNumber = getNumberFromNode(theNode); |
| } |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| struct |
| equalsDOMString |
| { |
| equalsDOMString(XPathExecutionContext& theExecutionContext) : |
| m_executionContext(theExecutionContext) |
| { |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DOMStringEqualsFunction()(theLHS, theRHS); |
| } |
| |
| bool |
| operator()( |
| const XObject& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DOMStringEqualsFunction()(theLHS.str(m_executionContext), theRHS); |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XObject& theRHS) const |
| { |
| return DOMStringEqualsFunction()(theLHS, theRHS.str(m_executionContext)); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| struct |
| notEqualsDOMString |
| { |
| notEqualsDOMString(XPathExecutionContext& theExecutionContext) : |
| m_executionContext(theExecutionContext) |
| { |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DOMStringNotEqualsFunction()(theLHS, theRHS); |
| } |
| |
| bool |
| operator()( |
| const XObject& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DOMStringNotEqualsFunction()(theLHS.str(m_executionContext), theRHS); |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XObject& theRHS) const |
| { |
| return DOMStringNotEqualsFunction()(theLHS, theRHS.str(m_executionContext)); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| struct |
| lessThanDOMString |
| { |
| lessThanDOMString(XPathExecutionContext& theExecutionContext) : |
| m_executionContext(theExecutionContext) |
| { |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::lessThan( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XObject& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::lessThan( |
| theLHS.num(m_executionContext), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XObject& theRHS) const |
| { |
| return DoubleSupport::lessThan( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| theRHS.num(m_executionContext)); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| struct |
| lessThanOrEqualDOMString |
| { |
| lessThanOrEqualDOMString(XPathExecutionContext& theExecutionContext) : |
| m_executionContext(theExecutionContext) |
| { |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::lessThanOrEqual( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XObject& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::lessThanOrEqual( |
| theLHS.num(m_executionContext), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XObject& theRHS) const |
| { |
| return DoubleSupport::lessThanOrEqual( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| theRHS.num(m_executionContext)); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| struct |
| greaterThanDOMString |
| { |
| greaterThanDOMString(XPathExecutionContext& theExecutionContext) : |
| m_executionContext(theExecutionContext) |
| { |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::greaterThan( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XObject& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::greaterThan( |
| theLHS.num(m_executionContext), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XObject& theRHS) const |
| { |
| return DoubleSupport::greaterThan( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| theRHS.num(m_executionContext)); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| struct |
| greaterThanOrEqualDOMString |
| { |
| greaterThanOrEqualDOMString(XPathExecutionContext& theExecutionContext) : |
| m_executionContext(theExecutionContext) |
| { |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::greaterThanOrEqual( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XObject& theLHS, |
| const XalanDOMString& theRHS) const |
| { |
| return DoubleSupport::greaterThanOrEqual( |
| theLHS.num(m_executionContext), |
| DOMStringToDouble(theRHS, m_executionContext.getMemoryManager())); |
| } |
| |
| bool |
| operator()( |
| const XalanDOMString& theLHS, |
| const XObject& theRHS) const |
| { |
| return DoubleSupport::greaterThanOrEqual( |
| DOMStringToDouble(theLHS, m_executionContext.getMemoryManager()), |
| theRHS.num(m_executionContext)); |
| } |
| |
| private: |
| |
| XPathExecutionContext& m_executionContext; |
| }; |
| |
| |
| |
| template<class CompareFunction, class TypeFunction> |
| inline bool |
| doCompareNodeSets( |
| const NodeRefListBase& theLHSNodeSet, |
| const NodeRefListBase& theRHSNodeSet, |
| const TypeFunction& theTypeFunction, |
| const CompareFunction& theCompareFunction, |
| XPathExecutionContext& executionContext) |
| { |
| // Excerpt from: |
| // XML Path Language (XPath) Version 1.0 |
| // W3C Recommendation 16 November 1999 |
| // http://www.w3.org/TR/xpath#booleans |
| // Editors: |
| // James Clark <jjc@jclark.com> |
| // Steve DeRose (Inso Corp. and Brown University) <Steven_DeRose@Brown.edu> |
| // |
| // If both objects to be compared are node-sets, then the comparison |
| // will be true if and only if there is a node in the first node-set |
| // and a node in the second node-set such that the result of performing |
| // the comparison on the string-values of the two nodes is true. |
| |
| // Note this little gem from the draft: |
| // NOTE: If $x is bound to a node-set, then $x="foo" |
| // does not mean the same as not($x!="foo"): the former |
| // is true if and only if some node in $x has the string-value |
| // foo; the latter is true if and only if all nodes in $x have |
| // the string-value foo. |
| bool theResult = false; |
| |
| const NodeRefListBase::size_type len1 = theLHSNodeSet.getLength(); |
| |
| if (len1 > 0) |
| { |
| const NodeRefListBase::size_type len2 = theRHSNodeSet.getLength(); |
| |
| if (len2 > 0) |
| { |
| const GetCachedString s1(executionContext); |
| |
| const GetCachedString s2(executionContext); |
| |
| for(NodeRefListBase::size_type i = 0; i < len1 && theResult == false; i++) |
| { |
| const XalanNode* const theLHSNode = theLHSNodeSet.item(i); |
| assert(theLHSNode != 0); |
| |
| theTypeFunction(*theLHSNode, s1.get()); |
| |
| for(NodeRefListBase::size_type k = 0; k < len2 && theResult == false; k++) |
| { |
| const XalanNode* const theRHSNode = theRHSNodeSet.item(k); |
| assert(theRHSNode != 0); |
| |
| theTypeFunction(*theRHSNode, s2.get()); |
| |
| if(theCompareFunction(s1.get(), s2.get()) == true) |
| { |
| theResult = true; |
| } |
| |
| s2.get().clear(); |
| } |
| |
| s1.get().clear(); |
| } |
| } |
| } |
| |
| return theResult; |
| } |
| |
| |
| |
| template<class CompareFunction, class StringFunction> |
| inline bool |
| doCompareString( |
| const NodeRefListBase& theLHSNodeSet, |
| const StringFunction& theStringFunction, |
| const XObject& theRHS, |
| const CompareFunction& theCompareFunction, |
| XPathExecutionContext& executionContext) |
| { |
| bool theResult = false; |
| |
| const NodeRefListBase::size_type len1 = theLHSNodeSet.getLength(); |
| |
| XPathExecutionContext::GetCachedString theGuard(executionContext); |
| |
| XalanDOMString& theLHS = theGuard.get(); |
| |
| for(NodeRefListBase::size_type i = 0; i < len1 && theResult == false; i++) |
| { |
| const XalanNode* const theLHSNode = theLHSNodeSet.item(i); |
| assert(theLHSNode != 0); |
| |
| theStringFunction(*theLHSNode, theLHS); |
| |
| if (theCompareFunction(theLHS, theRHS) == true) |
| { |
| theResult = true; |
| } |
| |
| theLHS.clear(); |
| } |
| |
| return theResult; |
| } |
| |
| |
| |
| template<class CompareFunction, class NumberFunction> |
| inline bool |
| doCompareNumber( |
| const NodeRefListBase& theLHSNodeSet, |
| const NumberFunction& theNumberFunction, |
| const double theRHS, |
| const CompareFunction& theCompareFunction) |
| { |
| bool theResult = false; |
| |
| const NodeRefListBase::size_type len1 = theLHSNodeSet.getLength(); |
| |
| for(NodeRefListBase::size_type i = 0; i < len1 && theResult == false; i++) |
| { |
| const XalanNode* const theLHSNode = theLHSNodeSet.item(i); |
| assert(theLHSNode != 0); |
| |
| const double theLHS = theNumberFunction(*theLHSNode); |
| |
| if (theCompareFunction(theLHS, theRHS) == true) |
| { |
| theResult = true; |
| } |
| } |
| |
| return theResult; |
| } |
| |
| |
| |
| template<class StringCompareFunction, class NumberCompareFunction> |
| inline bool |
| compareNodeSets( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| const StringCompareFunction& theStringCompareFunction, |
| const NumberCompareFunction& theNumberCompareFunction, |
| XPathExecutionContext& executionContext) |
| { |
| bool theResult = false; |
| |
| if(theRHSType == XObject::eTypeNodeSet) |
| { |
| // Compare as node sets... |
| theResult = doCompareNodeSets( |
| theLHS.nodeset(), |
| theRHS.nodeset(), |
| getStringFromNodeFunction(executionContext), |
| theStringCompareFunction, |
| executionContext); |
| |
| } |
| else if(theRHSType == XObject::eTypeBoolean) |
| { |
| // Excerpt from: |
| // XML Path Language (XPath) Version 1.0 |
| // W3C Recommendation 16 November 1999 |
| // http://www.w3.org/TR/xpath#booleans |
| // Editors: |
| // James Clark <jjc@jclark.com> |
| // Steve DeRose (Inso Corp. and Brown University) <Steven_DeRose@Brown.edu> |
| // |
| // If one object to be compared is a node-set and the other is a boolean, |
| // then the comparison will be true if and only if the result of |
| // performing the comparison on the boolean and on the result of |
| // converting the node-set to a boolean using the boolean function |
| // is true. |
| const double num1 = theLHS.boolean(executionContext) == true ? 1.0 : 0.0; |
| |
| theResult = theNumberCompareFunction(num1, theRHS.num(executionContext)); |
| } |
| else if(theRHSType == XObject::eTypeNumber) |
| { |
| // Excerpt from: |
| // XML Path Language (XPath) Version 1.0 |
| // W3C Recommendation 16 November 1999 |
| // http://www.w3.org/TR/xpath#booleans |
| // Editors: |
| // James Clark <jjc@jclark.com> |
| // Steve DeRose (Inso Corp. and Brown University) <Steven_DeRose@Brown.edu> |
| // |
| // If one object to be compared is a node-set and the other is a number, |
| // then the comparison will be true if and only if there is a |
| // node in the node-set such that the result of performing the |
| // comparison on the number to be compared and on the result of |
| // converting the string-value of that node to a number using |
| // the number function is true. |
| |
| theResult = doCompareNumber( |
| theLHS.nodeset(), |
| getNumberFromNodeFunction(executionContext), |
| theRHS.num(executionContext), |
| theNumberCompareFunction); |
| } |
| else if(theRHSType == XObject::eTypeResultTreeFrag) |
| { |
| // hmmm... |
| const double theRHSNumber = theRHS.num(executionContext); |
| |
| if(DoubleSupport::isNaN(theRHSNumber) == false) |
| { |
| // Compare as number... |
| theResult = doCompareNumber( |
| theLHS.nodeset(), |
| getNumberFromNodeFunction(executionContext), |
| theRHS.num(executionContext), |
| theNumberCompareFunction); |
| } |
| else |
| { |
| // Compare as string... |
| theResult = doCompareString( |
| theLHS.nodeset(), |
| getStringFromNodeFunction(executionContext), |
| theRHS, |
| theStringCompareFunction, |
| executionContext); |
| } |
| } |
| else if(theRHSType == XObject::eTypeString) |
| { |
| // Excerpt from: |
| // XML Path Language (XPath) Version 1.0 |
| // W3C Recommendation 16 November 1999 |
| // http://www.w3.org/TR/xpath#booleans |
| // Editors: |
| // James Clark <jjc@jclark.com> |
| // Steve DeRose (Inso Corp. and Brown University) <Steven_DeRose@Brown.edu> |
| // |
| // If one object to be compared is a node-set and the other is a |
| // string, then the comparison will be true if and only if there |
| // is a node in the node-set such that the result of performing |
| // the comparison on the string-value of the node and the other |
| // string is true. |
| theResult = doCompareString( |
| theLHS.nodeset(), |
| getStringFromNodeFunction(executionContext), |
| theRHS, |
| theStringCompareFunction, |
| executionContext); |
| } |
| else if (theRHSType != XObject::eTypeUnknown) |
| { |
| assert(false); |
| } |
| |
| return theResult; |
| } |
| |
| |
| |
| inline bool |
| equalNodeSet( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| XPathExecutionContext& executionContext) |
| { |
| return compareNodeSets( |
| theLHS, |
| theRHS, |
| theRHSType, |
| equalsDOMString(executionContext), |
| DoubleSupport::equalFunction(), |
| executionContext); |
| } |
| |
| |
| |
| inline bool |
| notEqualNodeSet( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| XPathExecutionContext& executionContext) |
| { |
| return compareNodeSets( |
| theLHS, |
| theRHS, |
| theRHSType, |
| notEqualsDOMString(executionContext), |
| DoubleSupport::notEqualFunction(), |
| executionContext); |
| } |
| |
| |
| |
| inline bool |
| lessThanNodeSet( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| XPathExecutionContext& executionContext) |
| { |
| return compareNodeSets( |
| theLHS, |
| theRHS, |
| theRHSType, |
| lessThanDOMString(executionContext), |
| DoubleSupport::lessThanFunction(), |
| executionContext); |
| } |
| |
| |
| |
| inline bool |
| lessThanOrEqualNodeSet( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| XPathExecutionContext& executionContext) |
| { |
| return compareNodeSets( |
| theLHS, |
| theRHS, |
| theRHSType, |
| lessThanOrEqualDOMString(executionContext), |
| DoubleSupport::lessThanOrEqualFunction(), |
| executionContext); |
| } |
| |
| |
| |
| inline bool |
| greaterThanNodeSet( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| XPathExecutionContext& executionContext) |
| { |
| return compareNodeSets( |
| theLHS, |
| theRHS, |
| theRHSType, |
| greaterThanDOMString(executionContext), |
| DoubleSupport::greaterThanFunction(), |
| executionContext); |
| } |
| |
| |
| |
| inline bool |
| greaterThanOrEqualNodeSet( |
| const XObject& theLHS, |
| const XObject& theRHS, |
| XObject::eObjectType theRHSType, |
| XPathExecutionContext& executionContext) |
| { |
| return compareNodeSets( |
| theLHS, |
| theRHS, |
| theRHSType, |
| greaterThanOrEqualDOMString(executionContext), |
| DoubleSupport::greaterThanOrEqualFunction(), |
| executionContext); |
| } |
| |
| |
| |
| bool |
| XObject::equals( |
| const XObject& theRHS, |
| XPathExecutionContext& executionContext) const |
| { |
| if (this == &theRHS) |
| { |
| return true; |
| } |
| else |
| { |
| const eObjectType theLHSType = getType(); |
| |
| if (theLHSType == eTypeUnknown) |
| { |
| return this == &theRHS ? true : false; |
| } |
| else if (theLHSType == eTypeNull) |
| { |
| return theRHS.getType() == eTypeNull ? true : false; |
| } |
| else if (theLHSType == eTypeNodeSet) |
| { |
| return equalNodeSet(*this, theRHS, theRHS.getType(), executionContext); |
| } |
| else |
| { |
| const eObjectType theRHSType = theRHS.getType(); |
| |
| if (theRHSType == eTypeNodeSet) |
| { |
| return equalNodeSet(theRHS, *this, theLHSType, executionContext); |
| } |
| else |
| { |
| if (theLHSType == eTypeBoolean || theRHSType == eTypeBoolean) |
| { |
| return boolean(executionContext) == theRHS.boolean(executionContext); |
| } |
| else if (theLHSType == eTypeNumber || theRHSType == eTypeNumber) |
| { |
| return DoubleSupport::equal(num(executionContext), theRHS.num(executionContext)); |
| } |
| else |
| { |
| return str(executionContext) == theRHS.str(executionContext); |
| } |
| } |
| } |
| } |
| } |
| |
| |
| |
| bool |
| XObject::notEquals( |
| const XObject& theRHS, |
| XPathExecutionContext& executionContext) const |
| { |
| if (this == &theRHS) |
| { |
| return false; |
| } |
| else |
| { |
| const eObjectType theLHSType = getType(); |
| |
| if (theLHSType == eTypeUnknown) |
| { |
| return this == &theRHS ? false : true; |
| } |
| else if (theLHSType == eTypeNull) |
| { |
| return theRHS.getType() == eTypeNull ? false : true; |
| } |
| else if (theLHSType == eTypeNodeSet) |
| { |
| return notEqualNodeSet(*this, theRHS, theRHS.getType(), executionContext); |
| } |
| else |
| { |
| const eObjectType theRHSType = theRHS.getType(); |
| |
| if (theRHSType == eTypeNodeSet) |
| { |
| return notEqualNodeSet(theRHS, *this, theLHSType, executionContext); |
| } |
| else |
| { |
| if (theLHSType == eTypeBoolean || theRHSType == eTypeBoolean) |
| { |
| return boolean(executionContext) != theRHS.boolean(executionContext); |
| } |
| else if (theLHSType == eTypeNumber || theRHSType == eTypeNumber) |
| { |
| return DoubleSupport::notEqual(num(executionContext), theRHS.num(executionContext)); |
| } |
| else |
| { |
| return str(executionContext) != theRHS.str(executionContext); |
| } |
| } |
| } |
| } |
| } |
| |
| |
| |
| bool |
| XObject::lessThan( |
| const XObject& theRHS, |
| XPathExecutionContext& executionContext) const |
| { |
| if (this == &theRHS) |
| { |
| return false; |
| } |
| else |
| { |
| const eObjectType theLHSType = getType(); |
| |
| if (theLHSType == eTypeNull || theLHSType == eTypeUnknown) |
| { |
| return false; |
| } |
| else if (theLHSType == eTypeNodeSet) |
| { |
| return lessThanNodeSet(*this, theRHS, theRHS.getType(), executionContext); |
| } |
| else if (theRHS.getType() == eTypeNodeSet) |
| { |
| return greaterThanNodeSet(theRHS, *this, theLHSType, executionContext); |
| } |
| else |
| { |
| return DoubleSupport::lessThan(num(executionContext), theRHS.num(executionContext)); |
| } |
| } |
| } |
| |
| |
| |
| bool |
| XObject::lessThanOrEquals( |
| const XObject& theRHS, |
| XPathExecutionContext& executionContext) const |
| { |
| if (this == &theRHS) |
| { |
| return false; |
| } |
| else |
| { |
| const eObjectType theLHSType = getType(); |
| |
| if (theLHSType == eTypeNull || theLHSType == eTypeUnknown) |
| { |
| return false; |
| } |
| else if (theLHSType == eTypeNodeSet) |
| { |
| return lessThanOrEqualNodeSet(*this, theRHS, theRHS.getType(), executionContext); |
| } |
| else if (theRHS.getType() == eTypeNodeSet) |
| { |
| return greaterThanOrEqualNodeSet(theRHS, *this, theLHSType, executionContext); |
| } |
| else |
| { |
| return DoubleSupport::lessThanOrEqual(num(executionContext), theRHS.num(executionContext)); |
| } |
| } |
| } |
| |
| |
| |
| bool |
| XObject::greaterThan( |
| const XObject& theRHS, |
| XPathExecutionContext& executionContext) const |
| { |
| if (this == &theRHS) |
| { |
| return false; |
| } |
| else |
| { |
| const eObjectType theLHSType = getType(); |
| |
| if (theLHSType == eTypeNull || theLHSType == eTypeUnknown) |
| { |
| return false; |
| } |
| else if (theLHSType == eTypeNodeSet) |
| { |
| return greaterThanNodeSet(*this, theRHS, theRHS.getType(), executionContext); |
| } |
| else if (theRHS.getType() == eTypeNodeSet) |
| { |
| return lessThanNodeSet(theRHS, *this, theLHSType, executionContext); |
| } |
| else |
| { |
| return DoubleSupport::greaterThan(num(executionContext), theRHS.num(executionContext)); |
| } |
| } |
| } |
| |
| |
| |
| bool |
| XObject::greaterThanOrEquals( |
| const XObject& theRHS, |
| XPathExecutionContext& executionContext) const |
| { |
| if (this == &theRHS) |
| { |
| return false; |
| } |
| else |
| { |
| const eObjectType theLHSType = getType(); |
| |
| if (theLHSType == eTypeNull || theLHSType == eTypeUnknown) |
| { |
| return false; |
| } |
| else if (theLHSType == eTypeNodeSet) |
| { |
| return greaterThanOrEqualNodeSet(*this, theRHS, theRHS.getType(), executionContext); |
| } |
| else if (theRHS.getType() == eTypeNodeSet) |
| { |
| return lessThanOrEqualNodeSet(theRHS, *this, theLHSType, executionContext); |
| } |
| else |
| { |
| return DoubleSupport::greaterThanOrEqual(num(executionContext), theRHS.num(executionContext)); |
| } |
| } |
| } |
| |
| |
| |
| void |
| XObject::throwInvalidConversionException(const XalanDOMString& theTargetType) const |
| { |
| assert(m_memoryManager != 0); |
| |
| MemoryManager& theMemoryManager = |
| XalanMemoryManager::getExceptionMemoryManager(*m_memoryManager); |
| |
| XalanDOMString theBuffer(theMemoryManager); |
| |
| throw XObjectInvalidConversionException( |
| theMemoryManager, |
| getTypeString(), |
| theTargetType, |
| theBuffer); |
| } |
| |
| |
| |
| const XalanDOMChar XObject::XObjectException::s_type[] = |
| { |
| XalanUnicode::charLetter_X, |
| XalanUnicode::charLetter_O, |
| XalanUnicode::charLetter_b, |
| XalanUnicode::charLetter_j, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_c, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_E, |
| XalanUnicode::charLetter_x, |
| XalanUnicode::charLetter_c, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_p, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_i, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_n, |
| 0 |
| }; |
| |
| |
| |
| XObject::XObjectException::XObjectException( |
| const XalanDOMString& theMessage, |
| MemoryManager& theManager) : |
| XalanXPathException( |
| theMessage, |
| theManager) |
| { |
| } |
| |
| |
| |
| XObject::XObjectException::XObjectException( |
| const XalanDOMString& theMessage, |
| MemoryManager& theManager, |
| const Locator* theLocator) : |
| XalanXPathException( |
| theMessage, |
| theManager, |
| theLocator) |
| { |
| } |
| |
| |
| |
| XObject::XObjectException::XObjectException(const XObjectException& other): |
| XalanXPathException(other) |
| { |
| } |
| |
| |
| |
| XObject::XObjectException::~XObjectException() |
| { |
| } |
| |
| |
| |
| const XalanDOMChar* |
| XObject::XObjectException::getType() const |
| { |
| return s_type; |
| } |
| |
| |
| |
| const XalanDOMChar XObject::XObjectInvalidConversionException::s_type[] = |
| { |
| XalanUnicode::charLetter_X, |
| XalanUnicode::charLetter_O, |
| XalanUnicode::charLetter_b, |
| XalanUnicode::charLetter_j, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_c, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_I, |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_v, |
| XalanUnicode::charLetter_a, |
| XalanUnicode::charLetter_l, |
| XalanUnicode::charLetter_i, |
| XalanUnicode::charLetter_d, |
| XalanUnicode::charLetter_C, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_v, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_r, |
| XalanUnicode::charLetter_s, |
| XalanUnicode::charLetter_i, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_n, |
| XalanUnicode::charLetter_E, |
| XalanUnicode::charLetter_x, |
| XalanUnicode::charLetter_c, |
| XalanUnicode::charLetter_e, |
| XalanUnicode::charLetter_p, |
| XalanUnicode::charLetter_t, |
| XalanUnicode::charLetter_i, |
| XalanUnicode::charLetter_o, |
| XalanUnicode::charLetter_n, |
| 0 |
| }; |
| |
| |
| |
| XObject::XObjectInvalidConversionException::XObjectInvalidConversionException( |
| MemoryManager& memoryManager, |
| const XalanDOMString& fromType, |
| const XalanDOMString& toType, |
| XalanDOMString& buffer) : |
| XObjectException( |
| formatErrorString( |
| fromType, |
| toType, |
| buffer), |
| memoryManager) |
| { |
| } |
| |
| |
| |
| XObject::XObjectInvalidConversionException::XObjectInvalidConversionException( |
| const XObjectInvalidConversionException& other) : |
| XObjectException(other) |
| { |
| } |
| |
| |
| |
| XObject::XObjectInvalidConversionException::~XObjectInvalidConversionException() |
| { |
| } |
| |
| |
| |
| const XalanDOMChar* |
| XObject::XObjectInvalidConversionException::getType() const |
| { |
| return s_type; |
| } |
| |
| |
| |
| const XalanDOMString& |
| XObject::XObjectInvalidConversionException::formatErrorString( |
| const XalanDOMString& fromType, |
| const XalanDOMString& toType, |
| XalanDOMString& theResult) |
| { |
| return XalanMessageLoader::getMessage( |
| theResult, |
| XalanMessages::CannotConvertTypetoType_2Param, |
| fromType, |
| toType); |
| } |
| |
| |
| |
| } |