00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Xalan" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 1999, International 00053 * Business Machines, Inc., http://www.ibm.com. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 * 00057 * $ Id: $ 00058 * 00059 */ 00060 00061 #if !defined(XALAN_STYLESHEETHANDLER_HEADER_GUARD) 00062 #define XALAN_STYLESHEETHANDLER_HEADER_GUARD 00063 00064 // Base include file. Must be first. 00065 #include "XSLTDefinitions.hpp" 00066 00067 00068 00069 #include <vector> 00070 #include <set> 00071 00072 00073 00074 #include <xalanc/XalanDOM/XalanDOMString.hpp> 00075 00076 00077 00078 #include <xalanc/PlatformSupport/FormatterListener.hpp> 00079 00080 00081 00082 #include <xalanc/XPath/XalanQNameByValue.hpp> 00083 00084 00085 00086 #include <xalanc/XSLT/NamespacesHandler.hpp> 00087 #include <xalanc/XSLT/Stylesheet.hpp> 00088 #include <xalanc/XSLT/XalanElemEmptyAllocator.hpp> 00089 #include <xalanc/XSLT/XalanElemTextAllocator.hpp> 00090 00091 00092 00093 XALAN_CPP_NAMESPACE_BEGIN 00094 00095 00096 00097 class ElemTemplate; 00098 class ElemTemplateElement; 00099 class ElemTextLiteral; 00100 class ExtensionNSHandler; 00101 class StylesheetConstructionContext; 00102 00103 00104 00111 class XALAN_XSLT_EXPORT StylesheetHandler : public FormatterListener 00112 { 00113 00114 public: 00115 00116 #if defined(XALAN_NO_STD_NAMESPACE) 00117 typedef vector<ElemTemplateElement*> ElemTemplateStackType; 00118 typedef vector<ElemTemplateElement*> ElemTextLiteralStackType; 00119 #if defined(XALAN_USE_DEQUE_FOR_VECTOR_BOOL) 00120 typedef deque<bool> BoolVectorType; 00121 #else 00122 typedef vector<bool> BoolStackType; 00123 #endif 00124 typedef set<XalanQNameByReference, 00125 less<XalanQName> > QNameSetType; 00126 typedef vector<QNameSetType> QNameSetVectorType; 00127 #else 00128 typedef std::vector<ElemTemplateElement*> ElemTemplateStackType; 00129 typedef std::vector<ElemTemplateElement*> ElemTextLiteralStackType; 00130 #if defined(XALAN_USE_DEQUE_FOR_VECTOR_BOOL) 00131 typedef std::deque<bool> BoolVectorType; 00132 #else 00133 typedef std::vector<bool> BoolStackType; 00134 #endif 00135 typedef std::set<XalanQNameByReference, 00136 std::less<XalanQName> > QNameSetType; 00137 typedef std::vector<QNameSetType> QNameSetVectorType; 00138 #endif 00139 00143 static void 00144 initialize(); 00145 00149 static void 00150 terminate(); 00151 00156 StylesheetHandler( 00157 Stylesheet& stylesheetTree, 00158 StylesheetConstructionContext& constructionContext); 00159 00160 virtual 00161 ~StylesheetHandler(); 00162 00186 virtual void characters (const XMLCh* const chars, const unsigned int length); 00187 00198 virtual void charactersRaw(const XMLCh* const chars, const unsigned int length); 00199 00223 virtual void cdata(const XMLCh* const ch, const unsigned int length); 00224 00248 virtual void ignorableWhitespace (const XMLCh* const chars, const unsigned int length); 00249 00266 virtual void processingInstruction (const XMLCh* const target, const XMLCh* const data); 00267 00274 virtual void comment(const XMLCh* const data); 00275 00282 virtual void entityReference(const XMLCh* const data); 00283 00284 // These methods are inherited DocumentHandler ... 00285 00286 // $$$ Theoretically, shouldn't need javadoc for these, since they are 00287 // inherited from DocumentHandler, but let's leave them in for now -- JMD 00288 00314 virtual void setDocumentLocator(const LocatorType* const locator); 00315 00325 virtual void startDocument(); 00326 00338 virtual void endDocument(); 00339 00361 virtual void startElement(const XMLCh* const name, AttributeListType& attrs); 00362 00377 virtual void endElement(const XMLCh* const name); 00378 00384 virtual void resetDocument(); 00385 00386 protected: 00387 00397 bool 00398 isAttrOK( 00399 const XalanDOMChar* attrName, 00400 const AttributeListType& atts, 00401 int which); 00402 00413 bool 00414 processSpaceAttr( 00415 const XalanDOMChar* aname, 00416 const AttributeListType& atts, 00417 int which, 00418 const LocatorType* locator, 00419 bool& fPreserve); 00420 00429 bool 00430 processSpaceAttr( 00431 const AttributeListType& atts, 00432 const LocatorType* locator, 00433 bool& fPreserve); 00434 00438 void 00439 processImport( 00440 const XalanDOMChar* name, 00441 const AttributeListType& atts, 00442 const LocatorType* locator); 00443 00447 void 00448 processInclude( 00449 const XalanDOMChar* name, 00450 const AttributeListType& atts, 00451 const LocatorType* locator); 00452 00453 void 00454 doCleanup(); 00455 00456 private: 00457 00458 enum { eElemEmptyAllocatorBlockSize = 10, eElemTextBlockSize = 10 }; 00459 00460 // not implemented 00461 StylesheetHandler(const StylesheetHandler&); 00462 00463 StylesheetHandler& 00464 operator=(const StylesheetHandler&); 00465 00466 // Utility functions... 00467 void 00468 error( 00469 const char* theMessage, 00470 const LocatorType* theLocator) const; 00471 00472 void 00473 illegalAttributeError( 00474 const XalanDOMChar* theElementName, 00475 const XalanDOMChar* theAttributeName, 00476 const LocatorType* theLocator) const; 00477 00478 void 00479 error( 00480 const XalanDOMChar* theMessage1, 00481 const XalanDOMChar* theMessage2, 00482 const LocatorType* theLocator) const; 00483 00484 void 00485 error( 00486 const XalanDOMChar* theMessage1, 00487 const XalanDOMString& theMessage2, 00488 const LocatorType* theLocator) const; 00489 00490 void 00491 error( 00492 const XalanDOMString& theMessage1, 00493 const XalanDOMChar* theMessage2, 00494 const LocatorType* theLocator) const; 00495 00496 void 00497 error( 00498 const XalanDOMString& theMessage1, 00499 const XalanDOMString& theMessage2, 00500 const LocatorType* theLocator) const; 00501 00502 void 00503 warn( 00504 const XalanDOMChar* theMessage1, 00505 const XalanDOMChar* theMessage2, 00506 const LocatorType* theLocator) const; 00507 00508 void 00509 warn( 00510 const XalanDOMChar* theMessage1, 00511 const XalanDOMString& theMessage2, 00512 const LocatorType* theLocator) const; 00513 00514 void 00515 error( 00516 const XalanDOMString& theMessage, 00517 const LocatorType* theLocator) const; 00518 00519 void 00520 processText( 00521 const XMLCh* chars, 00522 XalanDOMString::size_type length); 00523 00524 void 00525 accumulateText( 00526 const XMLCh* chars, 00527 XalanDOMString::size_type length); 00528 00529 void 00530 processAccumulatedText(); 00531 00532 void 00533 processTopLevelElement( 00534 const XalanDOMChar* name, 00535 const AttributeListType& atts, 00536 int xslToken, 00537 const LocatorType* locator, 00538 bool& fPreserveSpace, 00539 bool& fSpaceAttrProcessed); 00540 00541 void 00542 processStylesheet( 00543 const XalanDOMChar* name, 00544 const AttributeListType& atts, 00545 const LocatorType* locator, 00546 bool& fPreserveSpace, 00547 bool& fSpaceAttrProcessed); 00548 00549 void 00550 processPreserveStripSpace( 00551 const XalanDOMChar* name, 00552 const AttributeListType& atts, 00553 const LocatorType* locator, 00554 int xslToken); 00555 00556 void 00557 appendChildElementToParent( 00558 ElemTemplateElement* elem, 00559 const LocatorType* locator); 00560 00561 void 00562 appendChildElementToParent( 00563 ElemTemplateElement* parent, 00564 ElemTemplateElement* elem); 00565 00566 void 00567 appendChildElementToParent( 00568 ElemTemplateElement* parent, 00569 ElemTemplateElement* elem, 00570 const LocatorType* locator); 00571 00572 bool 00573 inExtensionElement() const; 00574 00575 void 00576 processExtensionElement( 00577 const XalanDOMChar* name, 00578 const XalanDOMString& localName, 00579 const AttributeListType& atts, 00580 const LocatorType* locator); 00581 00582 void 00583 checkForOrAddVariableName( 00584 const XalanQName& theVariableName, 00585 const LocatorType* theLocator); 00586 00587 // Data members... 00588 00592 Stylesheet& m_stylesheet; 00593 00597 StylesheetConstructionContext& m_constructionContext; 00598 00602 XalanElemEmptyAllocator m_elemEmptyAllocator; 00603 00607 XalanElemTextAllocator m_elemTextAllocator; 00608 00612 ElemTemplateStackType m_elemStack; 00613 00619 ElemTextLiteralStackType m_whiteSpaceElems; 00620 00624 ElemTemplateElement* m_pTemplate; 00625 00626 class LastPoppedHolder 00627 { 00628 public: 00629 00630 LastPoppedHolder(StylesheetHandler& theStylesheetHandler) : 00631 m_stylesheetHandler(theStylesheetHandler), 00632 m_lastPopped(0) 00633 { 00634 } 00635 00636 ~LastPoppedHolder() 00637 { 00638 cleanup(); 00639 } 00640 00641 ElemTemplateElement* 00642 operator->() const 00643 { 00644 return m_lastPopped; 00645 } 00646 00647 bool 00648 operator==(ElemTemplateElement* theRHS) 00649 { 00650 return m_lastPopped == theRHS; 00651 } 00652 00653 bool 00654 operator!=(ElemTemplateElement* theRHS) 00655 { 00656 return m_lastPopped != theRHS; 00657 } 00658 00659 void 00660 operator=(ElemTemplateElement* theRHS) 00661 { 00662 if (theRHS != m_lastPopped) 00663 { 00664 cleanup(); 00665 00666 m_lastPopped = theRHS; 00667 } 00668 } 00669 00670 void 00671 swap(LastPoppedHolder& theOther) 00672 { 00673 ElemTemplateElement* const theTemp = m_lastPopped; 00674 00675 m_lastPopped = theOther.m_lastPopped; 00676 00677 theOther.m_lastPopped = theTemp; 00678 } 00679 00680 ElemTemplateElement* 00681 get() const 00682 { 00683 return m_lastPopped; 00684 } 00685 00686 private: 00687 00688 void 00689 set(ElemTemplateElement* theNewElement) 00690 { 00691 if (theNewElement != m_lastPopped) 00692 { 00693 cleanup(); 00694 00695 m_lastPopped = theNewElement; 00696 } 00697 } 00698 00699 // Not implemented... 00700 LastPoppedHolder& 00701 operator=(const LastPoppedHolder&); 00702 00703 LastPoppedHolder(const LastPoppedHolder&); 00704 00705 // Helper functions... 00706 void 00707 cleanup(); 00708 00709 // Data members... 00710 StylesheetHandler& m_stylesheetHandler; 00711 00712 ElemTemplateElement* m_lastPopped; 00713 }; 00714 00715 friend class LastPoppedHolder; 00716 00720 LastPoppedHolder m_lastPopped; 00721 00725 bool m_inTemplate; 00726 00731 bool m_foundStylesheet; 00732 00738 bool m_foundNotImport; 00739 00740 XalanDOMString m_elementLocalName; 00741 00746 XalanDOMString m_accumulateText; 00747 00748 XalanDOMString m_includeBase; 00749 00750 BoolStackType m_inExtensionElementStack; 00751 00752 BoolStackType m_preserveSpaceStack; 00753 00754 // Note that these variables must not be saved by 00755 // PushPopIncludeState... 00756 unsigned long m_locatorsPushed; 00757 00758 QNameSetType m_globalVariableNames; 00759 00760 enum { eVariablesStackDefault = 20 }; 00761 00762 QNameSetVectorType m_inScopeVariableNamesStack; 00763 00767 ElemTemplateElement* 00768 initWrapperless( 00769 const XalanDOMChar* name, 00770 const AttributeListType& atts, 00771 const LocatorType* locator); 00772 00773 const XalanDOMString* 00774 getNamespaceFromStack(const XalanDOMChar* theName) const; 00775 00776 const XalanDOMString* 00777 getNamespaceForPrefixFromStack(const XalanDOMString& thePrefix) const; 00778 00779 class PushPopIncludeState; 00780 00781 friend class StylesheetHandler::PushPopIncludeState; 00782 00783 class PushPopIncludeState 00784 { 00785 public: 00786 00787 PushPopIncludeState(StylesheetHandler& theHandler); 00788 00789 ~PushPopIncludeState(); 00790 00791 private: 00792 00793 StylesheetHandler& m_handler; 00794 00795 ElemTemplateStackType m_elemStack; 00796 00797 ElemTemplateElement* const m_pTemplate; 00798 00799 LastPoppedHolder m_lastPopped; 00800 00801 const bool m_inTemplate; 00802 00803 const bool m_foundStylesheet; 00804 00805 const XalanDOMString m_XSLNameSpaceURL; 00806 00807 const bool m_foundNotImport; 00808 00809 Stylesheet::NamespaceVectorType m_namespaceDecls; 00810 00811 Stylesheet::NamespacesStackType m_namespaces; 00812 00813 NamespacesHandler m_namespacesHandler; 00814 00815 BoolStackType m_inExtensionElementStack; 00816 00817 BoolStackType m_preserveSpaceStack; 00818 }; 00819 00820 static const XalanDOMString s_emptyString; 00821 }; 00822 00823 00824 00825 XALAN_CPP_NAMESPACE_END 00826 00827 00828 00829 #endif // XALAN_STYLESHEETHANDLER_HEADER_GUARD
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Xalan-C++ XSLT Processor Version 1.6 |
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