00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 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 <XalanDOM/XalanDOMString.hpp> 00075 00076 00077 00078 #include <PlatformSupport/FormatterListener.hpp> 00079 00080 00081 00082 #include <XSLT/NamespacesHandler.hpp> 00083 #include <XSLT/Stylesheet.hpp> 00084 00085 00086 00087 class ElemTemplate; 00088 class ElemTemplateElement; 00089 class ElemTextLiteral; 00090 class ExtensionNSHandler; 00091 class StylesheetConstructionContext; 00092 00093 00094 00101 class XALAN_XSLT_EXPORT StylesheetHandler : public FormatterListener 00102 { 00103 00104 public: 00105 00106 #if defined(XALAN_NO_NAMESPACES) 00107 typedef vector<ElemTemplateElement*> ElemTemplateStackType; 00108 typedef vector<ElemTextLiteral*> ElemTextLiteralStackType; 00109 typedef set<ElemTemplateElement*, 00110 less<ElemTemplateElement*> > ElemTemplateSetType; 00111 typedef vector<bool> BoolStackType; 00112 #else 00113 typedef std::vector<ElemTemplateElement*> ElemTemplateStackType; 00114 typedef std::vector<ElemTextLiteral*> ElemTextLiteralStackType; 00115 typedef std::set<ElemTemplateElement*> ElemTemplateSetType; 00116 typedef std::vector<bool> BoolStackType; 00117 #endif 00118 00122 XalanDOMString m_includeBase; 00123 00128 StylesheetHandler( 00129 Stylesheet& stylesheetTree, 00130 StylesheetConstructionContext& constructionContext); 00131 00132 virtual 00133 ~StylesheetHandler(); 00134 00158 virtual void characters (const XMLCh* const chars, const unsigned int length); 00159 00170 virtual void charactersRaw(const XMLCh* const chars, const unsigned int length); 00171 00195 virtual void cdata(const XMLCh* const ch, const unsigned int length); 00196 00220 virtual void ignorableWhitespace (const XMLCh* const chars, const unsigned int length); 00221 00238 virtual void processingInstruction (const XMLCh* const target, const XMLCh* const data); 00239 00246 virtual void comment(const XMLCh* const data); 00247 00254 virtual void entityReference(const XMLCh* const data); 00255 00256 // These methods are inherited DocumentHandler ... 00257 00258 // $$$ Theoretically, shouldn't need javadoc for these, since they are 00259 // inherited from DocumentHandler, but let's leave them in for now -- JMD 00260 00286 virtual void setDocumentLocator(const Locator* const locator); 00287 00297 virtual void startDocument(); 00298 00310 virtual void endDocument (); 00311 00333 virtual void startElement (const XMLCh* const name, AttributeList& attrs); 00334 00349 virtual void endElement(const XMLCh* const name); 00350 00356 virtual void resetDocument(); 00357 00358 protected: 00359 00369 bool 00370 isAttrOK( 00371 const XalanDOMChar* attrName, 00372 const AttributeList& atts, 00373 int which); 00374 00384 bool 00385 processSpaceAttr( 00386 const XalanDOMChar* aname, 00387 const AttributeList& atts, 00388 int which, 00389 bool& fPreserve); 00390 00398 bool 00399 processSpaceAttr( 00400 const AttributeList& atts, 00401 bool& fPreserve); 00402 00406 void 00407 processImport( 00408 const XalanDOMChar* name, 00409 const AttributeList& atts); 00410 00414 void 00415 processInclude(const XalanDOMChar* name, 00416 const AttributeList& atts); 00417 00418 void 00419 error( 00420 const XalanDOMString& theMessage, 00421 int theLineNumber, 00422 int theColumnNumber) const; 00423 00424 void 00425 doCleanup(); 00426 00427 private: 00428 00429 // not implemented 00430 StylesheetHandler(const StylesheetHandler&); 00431 00432 StylesheetHandler& 00433 operator=(const StylesheetHandler&); 00434 00435 // Utility function... 00436 void 00437 processText( 00438 const XMLCh* const chars, 00439 const unsigned int length); 00440 00441 void 00442 accumulateText( 00443 const XMLCh* const chars, 00444 const unsigned int length); 00445 00446 void 00447 processAccumulatedText(); 00448 00449 void 00450 processTopLevelElement( 00451 const XalanDOMChar* name, 00452 const XalanDOMString& localName, 00453 const XalanDOMString& ns, 00454 const AttributeList& atts, 00455 int xslToken, 00456 int lineNumber, 00457 int columnNumber, 00458 bool& fPreserveSpace, 00459 bool& fSpaceAttrProcessed); 00460 00461 void 00462 processStylesheet( 00463 const XalanDOMChar* name, 00464 const AttributeList& atts, 00465 int lineNumber, 00466 int columnNumber, 00467 bool& fPreserveSpace, 00468 bool& fSpaceAttrProcessed); 00469 00470 void 00471 processPreserveStripSpace( 00472 const XalanDOMChar* name, 00473 const AttributeList& atts, 00474 int lineNumber, 00475 int columnNumber, 00476 int xslToken); 00477 00478 void 00479 appendChildElementToParent( 00480 ElemTemplateElement* elem, 00481 int lineNumber, 00482 int columnNumber); 00483 00484 bool 00485 inExtensionElement() const; 00486 00487 void 00488 processExtensionElement( 00489 const XalanDOMChar* name, 00490 const XalanDOMString& localName, 00491 const AttributeList& atts); 00492 00493 // Data members... 00494 XalanDOMString m_pendingException; 00495 00496 bool m_exceptionPending; 00497 00501 Stylesheet& m_stylesheet; 00502 00506 StylesheetConstructionContext& m_constructionContext; 00507 00511 ElemTemplateStackType m_elemStack; 00512 00518 ElemTemplateSetType m_elemStackParentedElements; 00519 00523 ElemTemplateStackType m_strayElements; 00524 00530 ElemTextLiteralStackType m_whiteSpaceElems; 00531 00535 ElemTemplate* m_pTemplate; 00536 00541 ElemTemplateElement* m_lastPopped; 00542 00546 bool m_inTemplate; 00547 00552 bool m_foundStylesheet; 00553 00559 bool m_foundNotImport; 00560 00565 XalanDOMString m_accumulateText; 00566 00567 BoolStackType m_inExtensionElementStack; 00568 00569 BoolStackType m_preserveSpaceStack; 00570 00571 bool m_inLXSLTScript; 00572 00573 XalanDOMString m_LXSLTScriptBody; 00574 XalanDOMString m_LXSLTScriptLang; 00575 XalanDOMString m_LXSLTScriptSrcURL; 00576 ExtensionNSHandler* m_pLXSLTExtensionNSH; 00577 00578 // Note that this variable must not be saved by 00579 // PushPopIncludeState... 00580 unsigned long m_locatorsPushed; 00581 00585 ElemTemplateElement* 00586 initWrapperless( 00587 const XalanDOMChar* name, 00588 const AttributeList& atts, 00589 int lineNumber, 00590 int columnNumber); 00591 00592 const XalanDOMString& 00593 getNamespaceFromStack(const XalanDOMChar* theName) const; 00594 00595 const XalanDOMString& 00596 getNamespaceForPrefixFromStack(const XalanDOMString& thePrefix) const; 00597 00598 class PushPopIncludeState 00599 { 00600 public: 00601 00602 PushPopIncludeState(StylesheetHandler& theHandler); 00603 00604 ~PushPopIncludeState(); 00605 00606 private: 00607 00608 StylesheetHandler& m_handler; 00609 00610 ElemTemplateStackType m_elemStack; 00611 00612 ElemTemplateSetType m_elemStackParentedElements; 00613 00614 ElemTemplate* const m_pTemplate; 00615 00616 ElemTemplateElement* const m_lastPopped; 00617 00618 const bool m_inTemplate; 00619 00620 const bool m_foundStylesheet; 00621 00622 const XalanDOMString m_XSLNameSpaceURL; 00623 00624 const bool m_foundNotImport; 00625 00626 Stylesheet::NamespaceVectorType m_namespaceDecls; 00627 00628 Stylesheet::NamespacesStackType m_namespaces; 00629 00630 NamespacesHandler m_namespacesHandler; 00631 00632 BoolStackType m_inExtensionElementStack; 00633 00634 BoolStackType m_preserveSpaceStack; 00635 }; 00636 00637 friend class PushPopIncludeState; 00638 00639 static const XalanDOMString s_emptyString; 00640 }; 00641 00642 00643 00644 #endif // XALAN_STYLESHEETHANDLER_HEADER_GUARD
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