| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #if !defined(XALAN_ELEMFOREACH_HEADER_GUARD) |
| #define XALAN_ELEMFOREACH_HEADER_GUARD |
| |
| |
| |
| // Base include file. Must be first. |
| #include "XSLTDefinitions.hpp" |
| |
| |
| |
| #include <xalanc/Include/XalanVector.hpp> |
| |
| |
| |
| // Base class header file. |
| #include "ElemTemplateElement.hpp" |
| |
| |
| |
| #include <xalanc/XPath/NodeRefListBase.hpp> |
| #include <xalanc/XPath/MutableNodeRefList.hpp> |
| #include <xalanc/XPath/XObject.hpp> |
| |
| |
| |
| #include "Constants.hpp" |
| |
| |
| |
| XALAN_CPP_NAMESPACE_BEGIN |
| |
| |
| |
| class ElemSort; |
| class ElemTemplate; |
| class NodeSorter; |
| class XPath; |
| |
| |
| |
| class ElemForEach: public ElemTemplateElement |
| { |
| public: |
| |
| /** |
| * Construct an object corresponding to an "xsl:for-each" element |
| * |
| * @param constructionContext context for construction of object |
| * @param stylesheetTree stylesheet containing element |
| * @param atts list of attributes for element |
| * @param lineNumber line number in document |
| * @param columnNumber column number in document |
| */ |
| ElemForEach( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeListType& atts, |
| int lineNumber, |
| int columnNumber); |
| |
| virtual |
| ~ElemForEach(); |
| |
| typedef XalanVector<ElemSort*> SortElemsVectorType; |
| |
| // These methods are inherited from ElemTemplateElement ... |
| |
| virtual const XalanDOMString& |
| getElementName() const; |
| |
| virtual void |
| processSortElement( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& theStylesheet, |
| const AttributeListType& atts, |
| const LocatorType* locator = 0); |
| |
| virtual void |
| postConstruction( |
| StylesheetConstructionContext& constructionContext, |
| const NamespacesHandler& theParentHandler); |
| |
| #if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| virtual const ElemTemplateElement* |
| startElement(StylesheetExecutionContext& executionContext) const; |
| |
| virtual void |
| endElement(StylesheetExecutionContext& executionContext) const; |
| |
| virtual const ElemTemplateElement* |
| getNextChildElemToExecute( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement* currentElem) const; |
| #else |
| virtual void |
| execute(StylesheetExecutionContext& executionContext) const; |
| #endif |
| |
| virtual const XPath* |
| getXPath(unsigned int index = 0) const; |
| |
| protected: |
| |
| /** |
| * Construct an object derived from ElemForEach |
| * |
| * @param constructionContext context for construction of object |
| * @param stylesheetTree stylesheet containing element |
| * @param lineNumber line number in document |
| * @param columnNumber column number in document |
| * @param xslToken an integer representing the type of instance. |
| */ |
| ElemForEach( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| int lineNumber, |
| int columnNumber, |
| int xslToken); |
| |
| #if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| |
| /* |
| * Returns a pointer to a list of the selected nodes. The |
| * nodes are sorted if required. |
| * |
| * @param executionContext context for executing this element |
| * @return pointer to the list of selected (and sorted) nodes |
| */ |
| virtual const NodeRefListBase* |
| createSelectedAndSortedNodeList( |
| StylesheetExecutionContext& executionContext) const; |
| |
| /* |
| * Release any objects used to maintain the last selected |
| * (and sorted) node list to be created |
| * |
| * @param executionContext context for executing this element |
| */ |
| virtual void |
| releaseSelectedAndSortedNodeList( |
| StylesheetExecutionContext& executionContext) const; |
| |
| /* |
| * Sorts a list of nodes |
| * |
| * @param executionContext context for executing this element |
| * @param selectedNodeList list of nodes to be sorted |
| * @param sortedNodeList list for sorted nodes |
| * |
| * @returns pointer to list of sorted nodes |
| */ |
| virtual const NodeRefListBase* |
| sortChildren( |
| StylesheetExecutionContext& executionContext, |
| const NodeRefListBase& selectedNodeList, |
| MutableNodeRefList& sortedNodeList) const; |
| |
| #else |
| /** |
| * Perform a query if needed, and call transformChild for each child. |
| * |
| * @param executionContext The current execution context |
| * @param template The owning template context. |
| * @param sourceNodeContext The current source node context. |
| */ |
| void |
| transformSelectedChildren( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement* theTemplate) const; |
| |
| /** |
| * Perform a query if needed, and call transformChild for each child. |
| * |
| * @param executionContext The current execution context |
| * @param theTemplate The owning template context. |
| * @param sourceNodes The source nodes to transform. |
| * @param sourceNodesCount The count of source nodes to transform. |
| */ |
| void |
| transformSelectedChildren( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement* theTemplate, |
| const NodeRefListBase& sourceNodes, |
| NodeRefListBase::size_type sourceNodesCount) const; |
| |
| /** |
| * Perform a query if needed, and call transformChild for each child. |
| * |
| * @param executionContext The current execution context |
| * @param template The owning template context. |
| * @param sorter The NodeSorter instance, if any. |
| * @param selectStackFrameIndex stack frame context for executing the |
| * select statement |
| */ |
| virtual void |
| selectAndSortChildren( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement* theTemplate, |
| NodeSorter* sorter, |
| int selectStackFrameIndex) const; |
| #endif |
| |
| const XPath* m_selectPattern; |
| |
| private: |
| |
| SortElemsVectorType m_sortElems; |
| |
| SortElemsVectorType::size_type m_sortElemsCount; |
| |
| }; |
| |
| |
| |
| XALAN_CPP_NAMESPACE_END |
| |
| |
| |
| #endif // XALAN_ELEMFOREACH_HEADER_GUARD |