| /* |
| * 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. |
| */ |
| #if !defined(XPATH_HEADER_GUARD_1357924680) |
| #define XPATH_HEADER_GUARD_1357924680 |
| |
| |
| |
| // Base header file. Must be first. |
| #include <xalanc/XPath/XPathDefinitions.hpp> |
| |
| |
| |
| #include <xalanc/XalanDOM/XalanDOMString.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DoubleSupport.hpp> |
| |
| |
| |
| // Base class header files... |
| #include <xalanc/XPath/XPathExecutionContext.hpp> |
| |
| |
| |
| #include <xalanc/XPath/MutableNodeRefList.hpp> |
| #include <xalanc/XPath/XPathExpression.hpp> |
| #include <xalanc/XPath/Function.hpp> |
| #include <xalanc/XPath/XPathFunctionTable.hpp> |
| |
| |
| |
| namespace XERCES_CPP_NAMESPACE |
| { |
| class Locator; |
| } |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| class PrefixResolver; |
| class XObject; |
| class XalanElement; |
| class XalanNode; |
| class XPathConstructionContext; |
| |
| |
| |
| class XALAN_XPATH_EXPORT XPath |
| { |
| public: |
| |
| typedef xercesc::Locator LocatorType; |
| |
| typedef XPathExpression::OpCodeMapPositionType OpCodeMapPositionType; |
| typedef XPathExpression::OpCodeMapValueType OpCodeMapValueType; |
| typedef XPathExpression::TokenQueuePositionType TokenQueuePositionType; |
| typedef XPathExecutionContext::GetCachedString GetCachedString; |
| typedef XPathExecutionContext::PrefixResolverSetAndRestore PrefixResolverSetAndRestore; |
| typedef XPathExecutionContext::CurrentNodePushAndPop CurrentNodePushAndPop; |
| |
| |
| static const XalanDOMChar PSEUDONAME_ANY[]; |
| static const XalanDOMChar PSEUDONAME_ROOT[]; |
| static const XalanDOMChar PSEUDONAME_TEXT[]; |
| static const XalanDOMChar PSEUDONAME_COMMENT[]; |
| static const XalanDOMChar PSEUDONAME_PI[]; |
| static const XalanDOMChar PSEUDONAME_OTHER[]; |
| static const XalanDOMChar PSEUDONAME_NODE[]; |
| |
| enum eMatchScore |
| { |
| eMatchScoreNone, |
| eMatchScoreNodeTest, |
| eMatchScoreNSWild, |
| eMatchScoreQName, |
| eMatchScoreOther |
| }; |
| |
| class TargetData |
| { |
| public: |
| |
| enum eTargetType { eAttribute, eElement, eAny, eOther }; |
| |
| TargetData() : |
| m_string(0), |
| m_priority(eMatchScoreNone), |
| m_targetType(eOther) |
| { |
| } |
| |
| TargetData( |
| const XalanDOMChar* theString, |
| eMatchScore thePriority, |
| eTargetType theTargetType) : |
| m_string(theString), |
| m_priority(thePriority), |
| m_targetType(theTargetType) |
| { |
| } |
| |
| const XalanDOMChar* |
| getString() const |
| { |
| return m_string; |
| } |
| |
| eMatchScore |
| getDefaultPriority() const |
| { |
| return m_priority; |
| } |
| |
| eTargetType |
| getTargetType() const |
| { |
| return m_targetType; |
| } |
| |
| private: |
| |
| const XalanDOMChar* m_string; |
| |
| eMatchScore m_priority; |
| |
| eTargetType m_targetType; |
| }; |
| |
| typedef XalanVector<TargetData> TargetDataVectorType; |
| |
| /** |
| * Perform static initialization. See class XPathInit. |
| */ |
| static void |
| initialize(MemoryManager& theManager); |
| |
| /** |
| * Perform static shut down. See class XPathInit. |
| */ |
| static void |
| terminate(); |
| |
| /** |
| * Construct an XPath. |
| * |
| * @param theLocator The applicable Locator, if any. |
| */ |
| explicit |
| XPath( |
| MemoryManager& theManager, |
| const Locator* theLocator = 0); |
| |
| static XPath* |
| create( |
| MemoryManager& theManager, |
| const Locator* theLocator = 0); |
| |
| MemoryManager& |
| getMemoryManager() |
| { |
| return m_expression.getMemoryManager(); |
| } |
| |
| ~XPath(); |
| |
| /** |
| * Shrink internal tables. |
| */ |
| void |
| shrink() |
| { |
| m_expression.shrink(); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @return smart-pointer to result XObject |
| */ |
| const XObjectPtr |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @param result the boolean result |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| bool& result) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @param result the numeric result |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| double& result) const; |
| |
| /** |
| * Execute the XPath from the provided context. The |
| * result is appended to the supplied string. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @param result the string result |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& result) const; |
| |
| typedef void (FormatterListener::*MemberFunctionPtr)(const XMLCh* const, const FormatterListener::size_type); |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Execute the XPath from the provided context. Normally, |
| * the expression will be evaluated and the result placed |
| * in the parameter result. However, some cases (such as |
| * the evalution of a variable) could result in the copying |
| * of a node-set, which is extremely expensive. In that |
| * case, the return value will contain the result of the |
| * evaluation. If the call to XObject::null() on the return |
| * value is true, that indicates the value was executed |
| * directly into the parameter. Otherwise, the parameter |
| * will be empty, and the result will be in the XObject |
| * instance returned. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @param result the node-set result |
| * @return the node-set result, if the result was not returned in the parameter |
| */ |
| const XObjectPtr |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& result) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param contextNodeList node list for current context |
| * @param executionContext current execution context |
| * @return smart-pointer to result XObject |
| */ |
| const XObjectPtr |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| const NodeRefListBase& contextNodeList, |
| XPathExecutionContext& executionContext) const |
| { |
| // Push and pop the context node list... |
| XPathExecutionContext::ContextNodeListPushAndPop thePushAndPop( |
| executionContext, |
| contextNodeList); |
| |
| return execute(context, prefixResolver, executionContext); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param contextNodeList node list for current context |
| * @param executionContext current execution context |
| * @param result the boolean result |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| const NodeRefListBase& contextNodeList, |
| XPathExecutionContext& executionContext, |
| bool& result) const |
| { |
| // Push and pop the context node list... |
| XPathExecutionContext::ContextNodeListPushAndPop thePushAndPop( |
| executionContext, |
| contextNodeList); |
| |
| execute(context, prefixResolver, executionContext, result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param contextNodeList node list for current context |
| * @param executionContext current execution context |
| * @param result the numeric result |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| const NodeRefListBase& contextNodeList, |
| XPathExecutionContext& executionContext, |
| double& result) const |
| { |
| // Push and pop the context node list... |
| XPathExecutionContext::ContextNodeListPushAndPop thePushAndPop( |
| executionContext, |
| contextNodeList); |
| |
| execute(context, prefixResolver, executionContext, result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. The |
| * result is appended to the supplied string. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param contextNodeList node list for current context |
| * @param executionContext current execution context |
| * @param result the string result |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| const NodeRefListBase& contextNodeList, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& result) const |
| { |
| // Push and pop the context node list... |
| XPathExecutionContext::ContextNodeListPushAndPop thePushAndPop( |
| executionContext, |
| contextNodeList); |
| |
| execute(context, prefixResolver, executionContext, result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param contextNodeList node list for current context |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| const NodeRefListBase& contextNodeList, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| // Push and pop the context node list... |
| XPathExecutionContext::ContextNodeListPushAndPop thePushAndPop( |
| executionContext, |
| contextNodeList); |
| |
| execute(context, prefixResolver, executionContext, formatterListener, function); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. Normally, |
| * the expression will be evaluated and the result placed |
| * in the parameter result. However, some cases (such as |
| * the evalution of a variable) could result in the copying |
| * of a node-set, which is extremely expensive. In that |
| * case, the return value will contain the result of the |
| * evaluation. If the call to XObject::null() on the return |
| * value is true, that indicates the value was executed |
| * directly into the parameter. Otherwise, the parameter |
| * will be empty, and the result will be in the XObject |
| * instance returned. |
| * |
| * @param context current source tree context node, which must not be 0 |
| * @param prefixResolver prefix resolver to use |
| * @param contextNodeList node list for current context |
| * @param executionContext current execution context |
| * @param result the result as a set of nodes |
| * @return the node-set result, if the result was not returned in the parameter |
| */ |
| const XObjectPtr |
| execute( |
| XalanNode* context, |
| const PrefixResolver& prefixResolver, |
| const NodeRefListBase& contextNodeList, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& result) const |
| { |
| // Push and pop the context node list... |
| XPathExecutionContext::ContextNodeListPushAndPop thePushAndPop( |
| executionContext, |
| contextNodeList); |
| |
| return execute(context, prefixResolver, executionContext, result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The prefix resolver and current node must already |
| * be set execution context, and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @return smart-pointer to result XObject |
| */ |
| const XObjectPtr |
| execute(XPathExecutionContext& executionContext) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| assert(executionContext.getPrefixResolver() != 0); |
| |
| return executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The prefix resolver and current node must already |
| * be set execution context, and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param result the boolean result |
| */ |
| void |
| execute( |
| XPathExecutionContext& executionContext, |
| bool& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| assert(executionContext.getPrefixResolver() != 0); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The prefix resolver must already be set in the |
| * execution context. |
| * |
| * @param executionContext current execution context |
| * @param result the numeric result |
| */ |
| void |
| execute( |
| XPathExecutionContext& executionContext, |
| double& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| assert(executionContext.getPrefixResolver() != 0); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. The |
| * result is appended to the supplied string. |
| * |
| * The prefix resolver and current node must already |
| * be set execution context, and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param result the string result |
| */ |
| void |
| execute( |
| XPathExecutionContext& executionContext, |
| XalanDOMString& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| assert(executionContext.getPrefixResolver() != 0); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The prefix resolver and current node must already |
| * be set execution context, and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| execute( |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| assert(executionContext.getPrefixResolver() != 0); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| formatterListener, |
| function); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. Normally, |
| * the expression will be evaluated and the result placed |
| * in the parameter result. However, some cases (such as |
| * the evalution of a variable) could result in the copying |
| * of a node-set, which is extremely expensive. In that |
| * case, the return value will contain the result of the |
| * evaluation. If the call to XObject::null() on the return |
| * value is true, that indicates the value was executed |
| * directly into the parameter. Otherwise, the parameter |
| * will be empty, and the result will be in the XObject |
| * instance returned. |
| * |
| * The prefix resolver and current node must already |
| * be set execution context, and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param result A node list for the result. This may or may not contain the actual result. |
| * @return the node-set result, if the result was not returned in the parameter |
| */ |
| const XObjectPtr |
| execute( |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| assert(executionContext.getPrefixResolver() != 0); |
| |
| return executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The current node must already be set execution context, |
| * and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param prefixResolver prefix resolver to use |
| * @return smart-pointer to result XObject |
| */ |
| const XObjectPtr |
| execute( |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| |
| // Push and pop the PrefixResolver... |
| const PrefixResolverSetAndRestore theResolverSetAndRestore( |
| executionContext, |
| &prefixResolver); |
| |
| return executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The current node must already be set execution context, |
| * and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param prefixResolver prefix resolver to use |
| * @param result the boolean result |
| */ |
| void |
| execute( |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| bool& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| |
| // Push and pop the PrefixResolver... |
| const PrefixResolverSetAndRestore theResolverSetAndRestore( |
| executionContext, |
| &prefixResolver); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * The current node must already be set execution context, |
| * and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param prefixResolver prefix resolver to use |
| * @param result the numeric result |
| */ |
| void |
| execute( |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| double& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| |
| // Push and pop the PrefixResolver... |
| const PrefixResolverSetAndRestore theResolverSetAndRestore( |
| executionContext, |
| &prefixResolver); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. The |
| * result is appended to the supplied string. |
| * |
| * The current node must already be set execution context, |
| * and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param prefixResolver prefix resolver to use |
| * @param result the string result |
| */ |
| void |
| execute( |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| |
| // Push and pop the PrefixResolver... |
| const PrefixResolverSetAndRestore theResolverSetAndRestore( |
| executionContext, |
| &prefixResolver); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param prefixResolver prefix resolver to use |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| execute( |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| |
| // Push and pop the PrefixResolver... |
| const PrefixResolverSetAndRestore theResolverSetAndRestore( |
| executionContext, |
| &prefixResolver); |
| |
| executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| formatterListener, |
| function); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. Normally, |
| * the expression will be evaluated and the result placed |
| * in the parameter result. However, some cases (such as |
| * the evalution of a variable) could result in the copying |
| * of a node-set, which is extremely expensive. In that |
| * case, the return value will contain the result of the |
| * evaluation. If the call to XObject::null() on the return |
| * value is true, that indicates the value was executed |
| * directly into the parameter. Otherwise, the parameter |
| * will be empty, and the result will be in the XObject |
| * instance returned. |
| * |
| * The current node must already be set execution context, |
| * and must not be 0. |
| * |
| * @param executionContext current execution context |
| * @param prefixResolver prefix resolver to use |
| * @param result A node list for the result. This may or may not contain the actual result. |
| * @return the node-set result, if the result was not returned in the parameter |
| */ |
| XObjectPtr |
| execute( |
| const PrefixResolver& prefixResolver, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& result) const |
| { |
| assert(executionContext.getCurrentNode() != 0); |
| |
| // Push and pop the PrefixResolver... |
| const PrefixResolverSetAndRestore theResolverSetAndRestore( |
| executionContext, |
| &prefixResolver); |
| |
| return executeMore( |
| executionContext.getCurrentNode(), |
| getInitialOpCodePosition(), |
| executionContext, |
| result); |
| } |
| |
| /** |
| * Retrieve a reference to the current expression. |
| * |
| * @return current expression |
| */ |
| XPathExpression& |
| getExpression() |
| { |
| return m_expression; |
| } |
| |
| /** |
| * Retrieve a reference to the current expression. |
| * |
| * @return current expression |
| */ |
| const XPathExpression& |
| getExpression() const |
| { |
| return m_expression; |
| } |
| |
| static double |
| getMatchScoreValue(eMatchScore score) |
| { |
| switch(score) |
| { |
| case eMatchScoreNone: |
| return DoubleSupport::getNegativeInfinity(); |
| break; |
| |
| case eMatchScoreNodeTest: |
| return -0.5; |
| break; |
| |
| case eMatchScoreNSWild: |
| return -0.25; |
| break; |
| |
| case eMatchScoreOther: |
| return 0.5; |
| break; |
| |
| case eMatchScoreQName: |
| return 0.0; |
| break; |
| }; |
| |
| assert(false); |
| return 0.0; |
| } |
| |
| /** |
| * Get the match score for the specified node. |
| * |
| * @param node The node for the score |
| * @param executionContext current execution context |
| * @return union of node-set operands |
| */ |
| eMatchScore |
| getMatchScore( |
| XalanNode* node, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Get the match score for the specified node. |
| * |
| * @param node The node for the score |
| * @param resolver The prefix resolver |
| * @param executionContext current execution context |
| * @return union of node-set operands |
| */ |
| eMatchScore |
| getMatchScore( |
| XalanNode* node, |
| const PrefixResolver& resolver, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Evaluate a predicate. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @return pointer to either a boolean or a number |
| */ |
| const XObjectPtr |
| predicate( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| return executeMore(context, opPos + 2, executionContext); |
| } |
| |
| /** |
| * Add the data for the target of match pattern to a vector. |
| * |
| * @param targetData The vector for the data |
| */ |
| void |
| getTargetData(TargetDataVectorType& targetData) const; |
| |
| /** |
| * Install a built-in function. |
| * |
| * @param funcName unqualified name of the function |
| * @param func instance of an XPath function object |
| */ |
| static void |
| installFunction( |
| const XalanDOMString& funcName, |
| const Function& func) |
| { |
| s_functions.InstallFunction(funcName, |
| func); |
| } |
| |
| /** |
| * Install a built-in function. |
| * |
| * @param funcName unqualified name of the function |
| * @param func instance of an XPath function object |
| */ |
| static void |
| installFunction( |
| const XalanDOMChar* funcName, |
| const Function& func) |
| { |
| s_functions.InstallFunction(funcName, |
| func); |
| } |
| |
| /** |
| * Remove a named function from the function table. |
| * |
| * @param funcName name of function |
| * @return true if the function was found and removed. |
| */ |
| static bool |
| uninstallFunction(const XalanDOMString& funcName) |
| { |
| return s_functions.UninstallFunction(funcName); |
| } |
| |
| /** |
| * Remove a named function from the function table. |
| * |
| * @param funcName name of function |
| * @return true if the function was found and removed. |
| */ |
| static bool |
| uninstallFunction(const XalanDOMChar* funcName) |
| { |
| return s_functions.UninstallFunction(funcName); |
| } |
| |
| /** |
| * Whether the named function is installed in the function table. |
| * |
| * @param name of function |
| * @return true if the function has been installed |
| */ |
| static bool |
| isInstalledFunction(const XalanDOMString& theFunctionName) |
| { |
| return s_functions.isInstalledFunction(theFunctionName); |
| } |
| |
| typedef XPathFunctionTable FunctionTableType; |
| |
| /** |
| * Retrieve the table of installed functions. |
| * |
| * @return function table |
| */ |
| static const FunctionTableType& |
| getFunctionTable() |
| { |
| return s_functions; |
| } |
| |
| /** |
| * Add the names for the installed functions to a vector strings. |
| * |
| * @param theIterator vector added to |
| */ |
| template<class OutputIteratorType> |
| static void |
| getInstalledFunctionNames(OutputIteratorType theIterator) |
| { |
| s_functions.getInstalledFunctionNames(theIterator); |
| } |
| |
| static void |
| destroyTable() |
| { |
| s_functions.DestroyTable(); |
| } |
| |
| bool |
| getInStylesheet() const |
| { |
| return m_inStylesheet; |
| } |
| |
| void |
| setInStylesheet(bool fValue) |
| { |
| m_inStylesheet = fValue; |
| } |
| |
| const Locator* |
| getLocator() const |
| { |
| return m_locator; |
| } |
| |
| void |
| setLocator(const Locator* theLocator) |
| { |
| m_locator = theLocator; |
| } |
| |
| class NodeTester |
| { |
| public: |
| |
| NodeTester(); |
| |
| NodeTester(const NodeTester& theSource); |
| |
| NodeTester( |
| const XPath& xpath, |
| XPathExecutionContext& executionContext, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType argLen, |
| OpCodeMapValueType stepType); |
| |
| NodeTester( |
| XPathConstructionContext& theContext, |
| const XalanDOMString& theNameTest, |
| const PrefixResolver& thePrefixResolver, |
| const Locator* theLocator = 0, |
| eMatchScore* theMatchScore = 0); |
| |
| NodeTester( |
| const XalanDOMString& theNamespaceURI, |
| const XalanDOMString& theLocalName, |
| eMatchScore* theMatchScore = 0); |
| |
| eMatchScore |
| operator()( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const |
| { |
| assert(context.getNodeType() == nodeType); |
| |
| return (this->*m_testFunction)(context, nodeType); |
| } |
| |
| eMatchScore |
| operator()(const XalanElement& context) const |
| { |
| return (this->*m_testFunction2)(context); |
| } |
| |
| NodeTester& |
| operator=(const NodeTester& theRHS) |
| { |
| m_executionContext = theRHS.m_executionContext; |
| m_targetNamespace = theRHS.m_targetNamespace; |
| m_targetLocalName = theRHS.m_targetLocalName; |
| m_testFunction = theRHS.m_testFunction; |
| m_testFunction2 = theRHS.m_testFunction2; |
| |
| return *this; |
| } |
| |
| protected: |
| |
| eMatchScore |
| initialize( |
| XPathConstructionContext& theConstructionContext, |
| const XalanDOMString& theNameTest, |
| const PrefixResolver& thePrefixResolver, |
| const Locator* theLocator); |
| |
| eMatchScore |
| initialize( |
| const XalanDOMString& theNamespaceURI, |
| const XalanDOMString& theLocalName); |
| |
| private: |
| |
| |
| typedef eMatchScore (NodeTester::*TestFunctionPtr)(const XalanNode&, XalanNode::NodeType) const; |
| typedef eMatchScore (NodeTester::*TestFunctionPtr2)(const XalanElement&) const; |
| |
| |
| eMatchScore |
| testComment( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testText( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testPI( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testPIName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testNode( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testRoot( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testAttributeNCName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testAttributeQName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testAttributeNamespaceOnly( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testAttributeTotallyWild( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testElementNCName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testElementQName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testElementNamespaceOnly( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testElementTotallyWild( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testElementNCName2(const XalanElement& context) const; |
| |
| eMatchScore |
| testElementQName2(const XalanElement& context) const; |
| |
| eMatchScore |
| testElementNamespaceOnly2(const XalanElement& context) const; |
| |
| eMatchScore |
| testElementTotallyWild2(const XalanElement& context) const; |
| |
| eMatchScore |
| testNamespaceNCName( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testNamespaceTotallyWild( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testDefault( |
| const XalanNode& context, |
| XalanNode::NodeType nodeType) const; |
| |
| eMatchScore |
| testDefault2(const XalanElement& context) const; |
| |
| bool |
| matchLocalName(const XalanNode& context) const; |
| |
| bool |
| matchNamespaceURI(const XalanNode& context) const; |
| |
| bool |
| matchLocalNameAndNamespaceURI(const XalanNode& context) const; |
| |
| bool |
| matchNamespace(const XalanNode& context) const; |
| |
| bool |
| shouldStripSourceNode(const XalanText& context) const; |
| |
| // Data members... |
| XPathExecutionContext* m_executionContext; |
| |
| const XalanDOMString* m_targetNamespace; |
| |
| const XalanDOMString* m_targetLocalName; |
| |
| TestFunctionPtr m_testFunction; |
| |
| TestFunctionPtr2 m_testFunction2; |
| }; |
| |
| friend class NodeTester; |
| |
| protected: |
| |
| /** |
| * Execute a location path. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Mpa |
| * @param executionContext current execution context |
| * @return node-set |
| */ |
| const XObjectPtr |
| locationPath( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Execute a location path. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult the result as a node list |
| */ |
| void |
| locationPath( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| bool& theResult) const; |
| |
| /** |
| * Execute a location path. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult the result as a node list |
| */ |
| void |
| locationPath( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| double& theResult) const; |
| |
| /** |
| * Execute a location path. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult the result as a node list |
| */ |
| void |
| locationPath( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& theResult) const; |
| |
| /** |
| * Execute a location path. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| locationPath( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Execute a location path. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult the result as a node list |
| */ |
| void |
| locationPath( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& theResult) const |
| { |
| step(executionContext, context, opPos + 2, theResult); |
| } |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @return pointer to union of node-set operands |
| */ |
| const XObjectPtr |
| executeMore( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| executeMore( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| bool& theResult) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| executeMore( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| double& theResult) const; |
| |
| /** |
| * Execute the XPath from the provided context. The result |
| * is appended to the supplied string. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| executeMore( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& theResult) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| executeMore( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Execute the XPath from the provided context. |
| * |
| * @param context current source tree context node |
| * @param opPos current position in the Op Map |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| * @return the node-set result, if the result was not returned in the parameter |
| */ |
| const XObjectPtr |
| executeMore( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& theResult) const; |
| |
| /** |
| * Helper function to get match score. |
| * @param context The current source tree context node. |
| * @param executionContext The current execution context |
| * @param score The match score |
| */ |
| void |
| doGetMatchScore( |
| XalanNode* context, |
| XPathExecutionContext& executionContext, |
| eMatchScore& score) const; |
| |
| /** |
| * OR two expressions and return the boolean result. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if the one of the two arguments are true. |
| */ |
| bool |
| Or( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * OR two expressions and return the boolean result. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if the two arguments are both true. |
| */ |
| bool |
| And( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Tell if two expressions are functionally not equal. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if the two arguments are not equal. |
| */ |
| bool |
| notequals( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Tell if two expressions are functionally equal. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if the two arguments are equal. |
| */ |
| bool |
| equals( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Tell if one argument is less than or equal to the other argument. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if arg 1 is less than or equal to arg 2. |
| */ |
| bool |
| lte( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Tell if one argument is less than the other argument. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if arg 1 is less than arg 2. |
| */ |
| bool |
| lt( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Tell if one argument is greater than or equal to the other argument. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if arg 1 is greater than or equal to arg 2. |
| */ |
| bool |
| gte( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Tell if one argument is greater than the other argument. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return true if arg 1 is greater than arg 2. |
| */ |
| bool |
| gt( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Give the sum of two arguments. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return sum of arg1 and arg2. |
| */ |
| double |
| plus( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Give the sum of two arguments. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| plus( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Give the difference of two arguments. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return difference of arg1 and arg2. |
| */ |
| double |
| minus( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Give the difference of two arguments. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| minus( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Multiply two arguments. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return arg1 * arg2. |
| */ |
| double |
| mult( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Multiply two arguments. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| mult( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Divide a number. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return arg1 / arg2. |
| */ |
| double |
| div( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Divide a number. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| div( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Return the remainder from a truncating division. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return arg1 mod arg2. |
| */ |
| double |
| mod( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Return the remainder from a truncating division. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| mod( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Return the negation of a number. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return -arg. |
| */ |
| double |
| neg( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Return the negation of a number. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| neg( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Computes the union of its operands which must be node-sets. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the union of node-set operands. |
| */ |
| const XObjectPtr |
| Union( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Computes the union of its operands which must be node-sets. |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @result the result of the union of node-set operands. |
| */ |
| void |
| Union( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| bool& result) const; |
| |
| /** |
| * Computes the union of its operands which must be node-sets. |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @result the result of the union of node-set operands. |
| */ |
| void |
| Union( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| double& result) const; |
| |
| /** |
| * Computes the union of its operands which must be node-sets. |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @result the result of the union of node-set operands. |
| */ |
| void |
| Union( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& result) const; |
| |
| /** |
| * Computes the union of its operands which must be node-sets. |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| Union( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Computes the union of its operands which must be node-sets. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @result the result of the union of node-set operands. |
| */ |
| void |
| Union( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& result) const; |
| |
| /** |
| * Get a literal value. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return an XObject object. |
| */ |
| const XObjectPtr |
| literal( |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Get a literal value as a boolean. |
| * |
| * @param opPos The current position in the Op Map. |
| * @param theResult The value. |
| */ |
| void |
| literal( |
| OpCodeMapPositionType opPos, |
| bool& theResult) const; |
| |
| /** |
| * Get a literal value as a number. |
| * |
| * @param opPos The current position in the Op Map. |
| * @param theResult The value. |
| */ |
| void |
| literal( |
| OpCodeMapPositionType opPos, |
| double& theResult) const; |
| |
| /** |
| * Get a literal value. The value is appended to the |
| * supplied string. |
| * |
| * @param opPos The current position in the Op Map. |
| * @param theResult The string. |
| */ |
| void |
| literal( |
| OpCodeMapPositionType opPos, |
| XalanDOMString& theResult) const; |
| |
| /** |
| * Get a literal value. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return The result as a double. |
| */ |
| void |
| literal( |
| OpCodeMapPositionType opPos, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Get the value of a variable. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return an XObject object. |
| */ |
| const XObjectPtr |
| variable( |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Execute an expression as a group. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return arg. |
| */ |
| const XObjectPtr |
| group( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| return executeMore(context, opPos + 2, executionContext); |
| } |
| |
| /** |
| * Execute an expression as a group. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| group( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| bool& theResult) const |
| { |
| executeMore(context, opPos + 2, executionContext, theResult); |
| } |
| |
| /** |
| * Execute an expression as a group. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| group( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| double& theResult) const |
| { |
| executeMore(context, opPos + 2, executionContext, theResult); |
| } |
| |
| /** |
| * Execute an expression as a group. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| group( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| XalanDOMString& theResult) const |
| { |
| executeMore(context, opPos + 2, executionContext, theResult); |
| } |
| |
| /** |
| * Execute an expression as a group. |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| group( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const |
| { |
| executeMore( |
| context, |
| opPos + 2, |
| executionContext, |
| formatterListener, |
| function); |
| } |
| |
| /** |
| * Execute an expression as a group. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @param theResult The result of the execution |
| */ |
| void |
| group( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext, |
| MutableNodeRefList& theResult) const |
| { |
| const XObjectPtr theValue(executeMore( |
| context, |
| opPos + 2, |
| executionContext, |
| theResult)); |
| |
| if (theValue.null() == false) |
| { |
| theResult.addNodesInDocOrder( |
| theValue->nodeset(), |
| executionContext); |
| |
| theResult.setDocumentOrder(); |
| } |
| } |
| |
| /** |
| * Get a literal value. |
| * @param opPos The current position in the Op Map. |
| * @return The result as a double. |
| */ |
| double |
| numberlit(OpCodeMapPositionType opPos) const; |
| |
| /** |
| * Get a literal value. |
| * @param opPos The current position in the Op Map. |
| * @return The result as a double. |
| */ |
| const XObjectPtr |
| numberlit( |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Get a literal value as a boolean. |
| * |
| * @param opPos The current position in the Op Map. |
| * @param theResult The string. |
| */ |
| void |
| numberlit( |
| OpCodeMapPositionType opPos, |
| bool& theResult) const; |
| |
| /** |
| * Get a literal value. The value is appended to the |
| * supplied string. |
| * |
| * @param opPos The current position in the Op Map. |
| * @param theResult The string. |
| */ |
| void |
| numberlit( |
| OpCodeMapPositionType opPos, |
| XalanDOMString& theResult) const; |
| |
| /** |
| * Get a literal value. |
| * |
| * @param opPos The current position in the Op Map. |
| * @param formatterListener the FormatterListener instance to receive the result |
| * @param function A pointer to the member function of FormatterListener to call |
| */ |
| void |
| numberlit( |
| OpCodeMapPositionType opPos, |
| FormatterListener& formatterListener, |
| MemberFunctionPtr function) const; |
| |
| /** |
| * Setup for and run an extension function. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| const XObjectPtr |
| runExtFunction( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle an extension function. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param theNamespace The namespace of the function. |
| * @param functionName The name of the function. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| const XObjectPtr |
| extfunction( |
| XalanNode* context, |
| OpCodeMapPositionType /* opPos */, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function::XObjectArgVectorType& argVec, |
| XPathExecutionContext& executionContext) const |
| { |
| return executionContext.extFunction(theNamespace, |
| functionName, |
| context, |
| argVec, |
| m_locator); |
| } |
| |
| /** |
| * Setup for and run a function. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| const XObjectPtr |
| runFunction( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle a built-in function. |
| * @param context The current source tree context node. |
| * @param funcID The function ID. |
| * @param argVec The arguments for the function. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| const XObjectPtr |
| function( |
| XalanNode* context, |
| OpCodeMapValueType funcID, |
| const Function::XObjectArgVectorType& argVec, |
| XPathExecutionContext& executionContext) const |
| { |
| return s_functions[funcID].execute(executionContext, context, argVec, m_locator); |
| } |
| |
| /** |
| * Handle the built-in function "position". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionPosition( |
| XalanNode* context, |
| XPathExecutionContext& executionContext) const |
| { |
| assert(context != 0); |
| |
| const XPathExecutionContext::size_type theResult = |
| executionContext.getContextNodeListPosition(*context); |
| assert(static_cast<double>(theResult) == theResult); |
| |
| return static_cast<double>(theResult); |
| } |
| |
| /** |
| * Handle the built-in function "last". |
| * |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionLast(XPathExecutionContext& executionContext) const |
| { |
| const XPathExecutionContext::size_type theResult = |
| executionContext.getContextNodeListLength(); |
| assert(static_cast<double>(theResult) == theResult); |
| |
| return static_cast<double>(theResult); |
| } |
| |
| /** |
| * Handle the built-in function "count". |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionCount( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle the built-in function "not". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| bool |
| functionNot( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| assert(context != 0); |
| |
| return !functionBoolean(context, opPos, executionContext); |
| } |
| |
| /** |
| * Handle the built-in function "boolean". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| bool |
| functionBoolean( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| assert(context != 0); |
| |
| bool result; |
| |
| executeMore(context, opPos + 2, executionContext, result); |
| |
| return result; |
| } |
| |
| /** |
| * Handle the built-in function "name". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @return the result of the function. |
| */ |
| const XalanDOMString& |
| functionName(XalanNode* context) const |
| { |
| assert(context != 0); |
| |
| return DOMServices::getNameOfNode(*context); |
| } |
| |
| /** |
| * Handle the built-in function "name". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| const XalanDOMString& |
| functionName( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle the built-in function "local-name". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @return the result of the function. |
| */ |
| const XalanDOMString& |
| functionLocalName(XalanNode* context) const; |
| |
| /** |
| * Handle the built-in function "local-name". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| const XalanDOMString& |
| functionLocalName( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle the built-in function "number". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionNumber( |
| XalanNode* context, |
| XPathExecutionContext& executionContext) const |
| { |
| assert(context != 0); |
| |
| return XObject::number(executionContext, *context); |
| } |
| |
| /** |
| * Handle the built-in function "number". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionNumber( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| double result; |
| |
| executeMore(context, opPos + 2, executionContext, result); |
| |
| return result; |
| } |
| |
| /** |
| * Handle the built-in function "floor". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionFloor( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| return DoubleSupport::floor(functionNumber(context, opPos, executionContext)); |
| } |
| |
| /** |
| * Handle the built-in function "ceiling". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionCeiling( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| return DoubleSupport::ceiling(functionNumber(context, opPos, executionContext)); |
| } |
| |
| /** |
| * Handle the built-in function "round". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionRound( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const |
| { |
| return DoubleSupport::round(functionNumber(context, opPos, executionContext)); |
| } |
| |
| /** |
| * Handle the built-in function "string-length". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionStringLength( |
| XalanNode* context, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle the built-in function "string-length". |
| * |
| * @param context The current source tree context node, which must not be 0. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionStringLength( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Handle the built-in function "sum". |
| * |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return the result of the function. |
| */ |
| double |
| functionSum( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| /** |
| * Get a numeric operand for an expression. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param executionContext current execution context |
| * @return The value of the operand. |
| */ |
| double |
| getNumericOperand( |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| XPathExecutionContext& executionContext) const; |
| |
| private: |
| |
| // These are not implemented... |
| XPath(const XPath&); |
| |
| XPath& |
| operator=(const XPath&); |
| |
| bool |
| operator==(const XPath&) const; |
| |
| // Default vector allocation sizes. |
| enum |
| { |
| eDefaultTargetDataSize = 5 |
| }; |
| |
| OpCodeMapPositionType |
| getInitialOpCodePosition() const |
| { |
| #if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS) |
| assert(m_expression.getOpCodeMapValue(0) == XPathExpression::eOP_XPATH); |
| #else |
| assert(m_expression.getOpCodeMapValue( |
| m_expression.getInitialOpCodePosition()) == XPathExpression::eOP_XPATH); |
| #endif |
| return m_expression.getInitialOpCodePosition() + 2; |
| } |
| |
| eMatchScore |
| locationPathPattern( |
| XPathExecutionContext& executionContext, |
| XalanNode& context, |
| OpCodeMapPositionType opPos) const; |
| |
| protected: |
| |
| /** |
| * Execute a step in a location path. |
| * |
| * @param xpath The xpath that is executing |
| * @param context The current source tree context node |
| * @param opPos The current position in the xpath operation map array |
| * @param queryResults The set of nodes that matches the step. |
| */ |
| void |
| step( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| MutableNodeRefList& queryResults) const; |
| |
| /** |
| * Potentially evaluate a predicate in a match pattern step. |
| * |
| * @param executionContext The current execution context. |
| * @param context The current source tree context node. |
| * @param opPos The current position in the Op Map. |
| * @param startOpPos The original position for the step in the Op Map. |
| * @param score The current match score for the context node. |
| * @return The resulting match score |
| */ |
| eMatchScore |
| doStepPredicate( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapPositionType startOpPos, |
| eMatchScore score) const; |
| |
| /** |
| * Execute a step in a match pattern's location path. |
| * |
| * @param xpath The xpath that is executing |
| * @param context The current source tree context node |
| * @param opPos The current position in the xpath operation map array |
| * @param scoreHolder a reference to an eMatchScore to receive |
| * the result. |
| * @return the last matched context node |
| */ |
| XalanNode* |
| stepPattern( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| eMatchScore& scoreHolder) const; |
| |
| OpCodeMapPositionType |
| findNodeSet( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findRoot( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findParent( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findSelf( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findAncestors( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findAncestorsOrSelf( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findAttributes( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findChildren( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findDescendants( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findFollowing( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findFollowingSiblings( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findPreceeding( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findPreceedingSiblings( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findNamespace( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| findNodesOnUnknownAxis( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| OpCodeMapPositionType opPos, |
| OpCodeMapValueType stepType, |
| MutableNodeRefList& subQueryResults) const; |
| |
| OpCodeMapPositionType |
| predicates( |
| XPathExecutionContext& executionContext, |
| OpCodeMapPositionType opPos, |
| MutableNodeRefList& subQueryResults) const; |
| |
| eMatchScore |
| handleFoundIndex( |
| XPathExecutionContext& executionContext, |
| XalanNode* localContext, |
| OpCodeMapPositionType startOpPos) const; |
| |
| eMatchScore |
| handleFoundIndexPositional( |
| XPathExecutionContext& executionContext, |
| XalanNode* localContext, |
| OpCodeMapPositionType startOpPos) const; |
| |
| private: |
| |
| void |
| unknownOpCodeError( |
| XalanNode* context, |
| XPathExecutionContext& executionContext, |
| OpCodeMapPositionType opPos) const; |
| |
| void |
| notNodeSetError( |
| XalanNode* context, |
| XPathExecutionContext& executionContext) const; |
| |
| // Data members... |
| |
| /** |
| * |
| * Holds information about the current expression. |
| * |
| */ |
| XPathExpression m_expression; |
| |
| /** |
| * A Locator for reporting errors. |
| */ |
| const Locator* m_locator; |
| |
| /** |
| * If true, the XPath can allocated XObjects in more |
| * efficient ways, since its lifetime is guaranteed |
| * to be at least that of the transformation. |
| */ |
| bool m_inStylesheet; |
| |
| /** |
| * |
| * This is the table of installed functions. |
| * |
| */ |
| static FunctionTableType s_functions; |
| |
| static const XalanDOMString s_emptyString; |
| }; |
| |
| |
| |
| } |
| |
| |
| |
| #endif // XPATH_HEADER_GUARD_1357924680 |