| /* |
| * 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. |
| */ |
| #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" |
| |
| |
| |
| XALAN_CPP_NAMESPACE_BEGIN |
| |
| |
| |
| ElemValueOf::ElemValueOf( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeListType& atts, |
| int lineNumber, |
| int columnNumber) : |
| ElemTemplateElement(constructionContext, |
| stylesheetTree, |
| lineNumber, |
| columnNumber, |
| StylesheetConstructionContext::ELEMNAME_VALUE_OF), |
| m_selectPattern(0) |
| { |
| bool isSelectCurrentNode = false; |
| |
| const unsigned int nAttrs = atts.getLength(); |
| |
| for(unsigned int 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) || |
| processSpaceAttr(aname, atts, i, constructionContext))) |
| { |
| constructionContext.error( |
| XalanMessageLoader::getMessage( |
| XalanMessages::TemplateHasIllegalAttribute_2Param, |
| Constants::ELEMNAME_VALUEOF_WITH_PREFIX_STRING.c_str(), |
| aname), |
| 0, |
| this); |
| } |
| } |
| |
| if(isSelectCurrentNode == false && m_selectPattern == 0) |
| { |
| constructionContext.error( |
| XalanMessageLoader::getMessage( |
| XalanMessages::ElementRequiresAttribute_2Param, |
| Constants::ELEMNAME_VALUEOF_WITH_PREFIX_STRING, |
| Constants::ATTRNAME_SELECT), |
| 0, |
| this); |
| } |
| } |
| |
| |
| |
| 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 LocatorType* 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 unsigned int length) |
| { |
| m_executionContext.characters(chars, 0, length); |
| } |
| |
| void |
| charactersRaw( |
| const XMLCh* const chars, |
| const unsigned int length) |
| { |
| m_executionContext.charactersRaw(chars, 0, length); |
| } |
| |
| void |
| entityReference(const XMLCh* const /* name */) |
| { |
| } |
| |
| void |
| ignorableWhitespace( |
| const XMLCh* const /* chars */, |
| const unsigned int /* 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 unsigned int /* 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::GetAndReleaseCachedString theString(executionContext); |
| |
| DOMServices::getNodeData(*sourceNode, 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::GetAndReleaseCachedString theString(executionContext); |
| |
| DOMServices::getNodeData(*sourceNode, 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(unsigned int 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::GetAndReleaseCachedString thePattern(executionContext); |
| |
| thePattern.get() = XALAN_STATIC_UCODE_STRING("."); |
| |
| 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, |
| StaticStringToDOMString(XALAN_STATIC_UCODE_STRING("select")), |
| thePattern, |
| theValue)); |
| } |
| |
| |
| |
| XALAN_CPP_NAMESPACE_END |