| /* |
| * 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. |
| */ |
| #include "ElemValueOf.hpp" |
| |
| |
| |
| #include <xercesc/sax/AttributeList.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| #include <xalanc/PlatformSupport/XalanMessageLoader.hpp> |
| |
| |
| |
| #include <xalanc/DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include <xalanc/XPath/XObjectFactory.hpp> |
| #include <xalanc/XPath/XPath.hpp> |
| |
| |
| |
| #include "Constants.hpp" |
| #include "SelectionEvent.hpp" |
| #include "Stylesheet.hpp" |
| #include "StylesheetConstructionContext.hpp" |
| #include "StylesheetExecutionContext.hpp" |
| #include "StylesheetRoot.hpp" |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| ElemValueOf::ElemValueOf( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeListType& atts, |
| XalanFileLoc lineNumber, |
| XalanFileLoc columnNumber) : |
| ElemTemplateElement( |
| constructionContext, |
| stylesheetTree, |
| lineNumber, |
| columnNumber, |
| StylesheetConstructionContext::ELEMNAME_VALUE_OF), |
| m_selectPattern(0) |
| { |
| bool isSelectCurrentNode = false; |
| |
| const XalanSize_t nAttrs = atts.getLength(); |
| |
| for (XalanSize_t i = 0; i < nAttrs; i++) |
| { |
| const XalanDOMChar* const aname = atts.getName(i); |
| |
| if (equals(aname, Constants::ATTRNAME_SELECT)) |
| { |
| const XalanDOMChar* const avalue = atts.getValue(i); |
| assert(avalue != 0); |
| |
| if (avalue[0] == XalanUnicode::charFullStop && avalue[1] == 0) |
| { |
| isSelectCurrentNode = true; |
| } |
| else |
| { |
| m_selectPattern = |
| constructionContext.createXPath( |
| getLocator(), |
| avalue, |
| *this); |
| } |
| } |
| else if (equals(aname, Constants::ATTRNAME_DISABLE_OUTPUT_ESCAPING)) |
| { |
| disableOutputEscaping( |
| getStylesheet().getYesOrNo( |
| aname, |
| atts.getValue(i), |
| constructionContext)); |
| } |
| else if (isAttrOK( |
| aname, |
| atts, |
| i, |
| constructionContext) == false && |
| processSpaceAttr( |
| Constants::ELEMNAME_VALUEOF_WITH_PREFIX_STRING.c_str(), |
| aname, |
| atts, |
| i, |
| constructionContext) == false) |
| { |
| error( |
| constructionContext, |
| XalanMessages::ElementHasIllegalAttribute_2Param, |
| Constants::ELEMNAME_VALUEOF_WITH_PREFIX_STRING.c_str(), |
| aname); |
| } |
| } |
| |
| if (isSelectCurrentNode == false && m_selectPattern == 0) |
| { |
| error( |
| constructionContext, |
| XalanMessages::ElementRequiresAttribute_2Param, |
| Constants::ELEMNAME_VALUEOF_WITH_PREFIX_STRING, |
| Constants::ATTRNAME_SELECT); |
| } |
| } |
| |
| |
| |
| ElemValueOf::~ElemValueOf() |
| { |
| } |
| |
| |
| |
| const XalanDOMString& |
| ElemValueOf::getElementName() const |
| { |
| return Constants::ELEMNAME_VALUEOF_WITH_PREFIX_STRING; |
| } |
| |
| |
| |
| class FormatterListenerAdapater : public FormatterListener |
| { |
| public: |
| |
| FormatterListenerAdapater(StylesheetExecutionContext& executionContext) : |
| FormatterListener(OUTPUT_METHOD_NONE), |
| m_executionContext(executionContext) |
| { |
| } |
| |
| ~FormatterListenerAdapater() |
| { |
| } |
| |
| void |
| setDocumentLocator(const Locator* const /* locator */) |
| { |
| } |
| |
| void |
| startDocument() |
| { |
| } |
| |
| void |
| endDocument() |
| { |
| } |
| |
| void |
| startElement( |
| const XMLCh* const /* name */, |
| AttributeListType& /* attrs */) |
| { |
| } |
| |
| void |
| endElement(const XMLCh* const /* name */) |
| { |
| } |
| |
| void |
| characters( |
| const XMLCh* const chars, |
| const size_type length) |
| { |
| m_executionContext.characters(chars, 0, length); |
| } |
| |
| void |
| charactersRaw( |
| const XMLCh* const chars, |
| const size_type length) |
| { |
| m_executionContext.charactersRaw(chars, 0, length); |
| } |
| |
| void |
| entityReference(const XMLCh* const /* name */) |
| { |
| } |
| |
| void |
| ignorableWhitespace( |
| const XMLCh* const /* chars */, |
| const size_type /* length */) |
| { |
| } |
| |
| void |
| processingInstruction( |
| const XMLCh* const target, |
| const XMLCh* const data) |
| { |
| m_executionContext.processingInstruction(target, data); |
| } |
| |
| void |
| resetDocument() |
| { |
| } |
| |
| void |
| comment(const XMLCh* const data) |
| { |
| m_executionContext.comment(data); |
| } |
| |
| void |
| cdata( |
| const XMLCh* const /* ch */, |
| const size_type /* length */) |
| { |
| } |
| |
| private: |
| |
| StylesheetExecutionContext& m_executionContext; |
| |
| }; |
| |
| |
| |
| #if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| const ElemTemplateElement* |
| ElemValueOf::startElement(StylesheetExecutionContext& executionContext) const |
| { |
| ElemTemplateElement::startElement(executionContext); |
| |
| XalanNode* const sourceNode = executionContext.getCurrentNode(); |
| assert(sourceNode != 0); |
| |
| if (m_selectPattern == 0) |
| { |
| if (disableOutputEscaping() == false) |
| { |
| executionContext.characters(*sourceNode); |
| } |
| else |
| { |
| executionContext.charactersRaw(*sourceNode); |
| } |
| |
| if (0 != executionContext.getTraceListeners()) |
| { |
| const StylesheetExecutionContext::GetCachedString theString(executionContext); |
| |
| DOMServices::getNodeData(*sourceNode, executionContext, theString.get()); |
| |
| fireSelectionEvent(executionContext, sourceNode, theString.get()); |
| } |
| } |
| else |
| { |
| FormatterListenerAdapater theAdapter(executionContext); |
| |
| XPath::MemberFunctionPtr theFunction = disableOutputEscaping() == false ? |
| &FormatterListener::characters : &FormatterListener::charactersRaw; |
| |
| m_selectPattern->execute(*this, executionContext, theAdapter, theFunction); |
| |
| if (0 != executionContext.getTraceListeners()) |
| { |
| const XObjectPtr value(m_selectPattern->execute(sourceNode, *this, executionContext)); |
| |
| if (value.null() == false) |
| { |
| fireSelectionEvent(executionContext, sourceNode, value); |
| } |
| } |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| |
| |
| #if defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| void |
| ElemValueOf::execute(StylesheetExecutionContext& executionContext) const |
| { |
| ElemTemplateElement::execute(executionContext); |
| |
| XalanNode* const sourceNode = executionContext.getCurrentNode(); |
| assert(sourceNode != 0); |
| |
| if (m_selectPattern == 0) |
| { |
| if (disableOutputEscaping() == false) |
| { |
| executionContext.characters(*sourceNode); |
| } |
| else |
| { |
| executionContext.charactersRaw(*sourceNode); |
| } |
| |
| if (0 != executionContext.getTraceListeners()) |
| { |
| const StylesheetExecutionContext::GetCachedString theString(executionContext); |
| |
| DOMServices::getNodeData(*sourceNode, executionContext, theString.get()); |
| |
| fireSelectionEvent(executionContext, sourceNode, theString.get()); |
| } |
| } |
| else |
| { |
| FormatterListenerAdapater theAdapter(executionContext); |
| |
| XPath::MemberFunctionPtr theFunction = disableOutputEscaping() == false ? |
| &FormatterListener::characters : &FormatterListener::charactersRaw; |
| |
| m_selectPattern->execute(*this, executionContext, theAdapter, theFunction); |
| |
| if (0 != executionContext.getTraceListeners()) |
| { |
| const XObjectPtr value(m_selectPattern->execute(sourceNode, *this, executionContext)); |
| |
| if (value.null() == false) |
| { |
| fireSelectionEvent(executionContext, sourceNode, value); |
| } |
| } |
| } |
| } |
| #endif |
| |
| |
| |
| const XPath* |
| ElemValueOf::getXPath(XalanSize_t index) const |
| { |
| return index == 0 ? m_selectPattern : 0; |
| } |
| |
| |
| |
| void |
| ElemValueOf::fireSelectionEvent( |
| StylesheetExecutionContext& executionContext, |
| XalanNode* sourceNode, |
| const XalanDOMString& theValue) const |
| { |
| const XObjectPtr value(executionContext.getXObjectFactory().createStringReference(theValue)); |
| |
| fireSelectionEvent(executionContext, sourceNode, value); |
| } |
| |
| |
| |
| void |
| ElemValueOf::fireSelectionEvent( |
| StylesheetExecutionContext& executionContext, |
| XalanNode* sourceNode, |
| const XObjectPtr theValue) const |
| { |
| if (m_selectPattern != 0) |
| { |
| fireSelectionEvent( |
| executionContext, |
| sourceNode, |
| theValue, |
| m_selectPattern->getExpression().getCurrentPattern()); |
| } |
| else |
| { |
| const StylesheetExecutionContext::GetCachedString thePattern(executionContext); |
| |
| thePattern.get() = "."; |
| |
| fireSelectionEvent( |
| executionContext, |
| sourceNode, |
| theValue, |
| thePattern.get()); |
| } |
| |
| } |
| |
| |
| |
| void |
| ElemValueOf::fireSelectionEvent( |
| StylesheetExecutionContext& executionContext, |
| XalanNode* sourceNode, |
| const XObjectPtr theValue, |
| const XalanDOMString& thePattern) const |
| { |
| executionContext.fireSelectEvent( |
| SelectionEvent( |
| executionContext, |
| sourceNode, |
| *this, |
| XalanDOMString("select", executionContext.getMemoryManager()), |
| thePattern, |
| theValue)); |
| } |
| |
| |
| |
| } |