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 <XalanDOM/XalanDOMString.hpp> 00075 00076 00077 00078 #include <PlatformSupport/FormatterListener.hpp> 00079 00080 00081 00082 #include <XPath/XalanQNameByValue.hpp> 00083 00084 00085 00086 #include <XSLT/NamespacesHandler.hpp> 00087 #include <XSLT/Stylesheet.hpp> 00088 00089 00090 00091 class ElemTemplate; 00092 class ElemTemplateElement; 00093 class ElemTextLiteral; 00094 class ExtensionNSHandler; 00095 class StylesheetConstructionContext; 00096 00097 00098 00105 class XALAN_XSLT_EXPORT StylesheetHandler : public FormatterListener 00106 { 00107 00108 public: 00109 00110 #if defined(XALAN_NO_NAMESPACES) 00111 typedef vector<ElemTemplateElement*> ElemTemplateStackType; 00112 typedef vector<ElemTextLiteral*> ElemTextLiteralStackType; 00113 typedef set<ElemTemplateElement*, 00114 less<ElemTemplateElement*> > ElemTemplateSetType; 00115 typedef vector<bool> BoolStackType; 00116 typedef set<XalanQNameByValue, 00117 less<XalanQNameByValue> > QNameSetType; 00118 typedef vector<QNameSetType> QNameSetVectorType; 00119 #else 00120 typedef std::vector<ElemTemplateElement*> ElemTemplateStackType; 00121 typedef std::vector<ElemTextLiteral*> ElemTextLiteralStackType; 00122 typedef std::set<ElemTemplateElement*> ElemTemplateSetType; 00123 typedef std::vector<bool> BoolStackType; 00124 typedef std::set<XalanQNameByValue> QNameSetType; 00125 typedef std::vector<QNameSetType> QNameSetVectorType; 00126 #endif 00127 00131 static void 00132 initialize(); 00133 00137 static void 00138 terminate(); 00139 00144 StylesheetHandler( 00145 Stylesheet& stylesheetTree, 00146 StylesheetConstructionContext& constructionContext); 00147 00148 virtual 00149 ~StylesheetHandler(); 00150 00174 virtual void characters (const XMLCh* const chars, const unsigned int length); 00175 00186 virtual void charactersRaw(const XMLCh* const chars, const unsigned int length); 00187 00211 virtual void cdata(const XMLCh* const ch, const unsigned int length); 00212 00236 virtual void ignorableWhitespace (const XMLCh* const chars, const unsigned int length); 00237 00254 virtual void processingInstruction (const XMLCh* const target, const XMLCh* const data); 00255 00262 virtual void comment(const XMLCh* const data); 00263 00270 virtual void entityReference(const XMLCh* const data); 00271 00272 // These methods are inherited DocumentHandler ... 00273 00274 // $$$ Theoretically, shouldn't need javadoc for these, since they are 00275 // inherited from DocumentHandler, but let's leave them in for now -- JMD 00276 00302 virtual void setDocumentLocator(const Locator* const locator); 00303 00313 virtual void startDocument(); 00314 00326 virtual void endDocument (); 00327 00349 virtual void startElement (const XMLCh* const name, AttributeList& attrs); 00350 00365 virtual void endElement(const XMLCh* const name); 00366 00372 virtual void resetDocument(); 00373 00374 protected: 00375 00385 bool 00386 isAttrOK( 00387 const XalanDOMChar* attrName, 00388 const AttributeList& atts, 00389 int which); 00390 00401 bool 00402 processSpaceAttr( 00403 const XalanDOMChar* aname, 00404 const AttributeList& atts, 00405 int which, 00406 const Locator* locator, 00407 bool& fPreserve); 00408 00417 bool 00418 processSpaceAttr( 00419 const AttributeList& atts, 00420 const Locator* locator, 00421 bool& fPreserve); 00422 00426 void 00427 processImport( 00428 const XalanDOMChar* name, 00429 const AttributeList& atts, 00430 const Locator* locator); 00431 00435 void 00436 processInclude( 00437 const XalanDOMChar* name, 00438 const AttributeList& atts, 00439 const Locator* locator); 00440 00441 void 00442 doCleanup(); 00443 00444 private: 00445 00446 // not implemented 00447 StylesheetHandler(const StylesheetHandler&); 00448 00449 StylesheetHandler& 00450 operator=(const StylesheetHandler&); 00451 00452 // Utility functions... 00453 void 00454 error( 00455 const char* theMessage, 00456 const Locator* theLocator) const; 00457 00458 void 00459 error( 00460 const XalanDOMString& theMessage, 00461 const Locator* theLocator) const; 00462 00463 void 00464 processText( 00465 const XMLCh* chars, 00466 XalanDOMString::size_type length); 00467 00468 void 00469 accumulateText( 00470 const XMLCh* chars, 00471 XalanDOMString::size_type length); 00472 00473 void 00474 processAccumulatedText(); 00475 00476 void 00477 processTopLevelElement( 00478 const XalanDOMChar* name, 00479 const XalanDOMString& localName, 00480 const XalanDOMString& ns, 00481 const AttributeList& atts, 00482 int xslToken, 00483 const Locator* locator, 00484 bool& fPreserveSpace, 00485 bool& fSpaceAttrProcessed); 00486 00487 void 00488 processStylesheet( 00489 const XalanDOMChar* name, 00490 const AttributeList& atts, 00491 const Locator* locator, 00492 bool& fPreserveSpace, 00493 bool& fSpaceAttrProcessed); 00494 00495 void 00496 processPreserveStripSpace( 00497 const XalanDOMChar* name, 00498 const AttributeList& atts, 00499 const Locator* locator, 00500 int xslToken); 00501 00502 void 00503 appendChildElementToParent( 00504 ElemTemplateElement* elem, 00505 const Locator* locator); 00506 00507 void 00508 appendChildElementToParent( 00509 ElemTemplateElement* parent, 00510 ElemTemplateElement* elem); 00511 00512 void 00513 appendChildElementToParent( 00514 ElemTemplateElement* parent, 00515 ElemTemplateElement* elem, 00516 const Locator* locator); 00517 00518 bool 00519 inExtensionElement() const; 00520 00521 void 00522 processExtensionElement( 00523 const XalanDOMChar* name, 00524 const XalanDOMString& localName, 00525 const AttributeList& atts, 00526 const Locator* locator); 00527 00528 void 00529 checkForOrAddVariableName( 00530 const XalanQName& theVariableName, 00531 const Locator* theLocator); 00532 00533 // Data members... 00534 00538 Stylesheet& m_stylesheet; 00539 00543 StylesheetConstructionContext& m_constructionContext; 00544 00548 ElemTemplateStackType m_elemStack; 00549 00555 ElemTemplateSetType m_elemStackParentedElements; 00556 00560 ElemTemplateStackType m_strayElements; 00561 00567 ElemTextLiteralStackType m_whiteSpaceElems; 00568 00572 ElemTemplate* m_pTemplate; 00573 00578 ElemTemplateElement* m_lastPopped; 00579 00583 bool m_inTemplate; 00584 00589 bool m_foundStylesheet; 00590 00596 bool m_foundNotImport; 00597 00602 XalanDOMString m_accumulateText; 00603 00604 XalanDOMString m_includeBase; 00605 00606 BoolStackType m_inExtensionElementStack; 00607 00608 BoolStackType m_preserveSpaceStack; 00609 00610 bool m_inLXSLTScript; 00611 00612 XalanDOMString m_LXSLTScriptBody; 00613 XalanDOMString m_LXSLTScriptLang; 00614 XalanDOMString m_LXSLTScriptSrcURL; 00615 ExtensionNSHandler* m_pLXSLTExtensionNSH; 00616 00617 // Note that these variables must not be saved by 00618 // PushPopIncludeState... 00619 unsigned long m_locatorsPushed; 00620 00621 QNameSetType m_globalVariableNames; 00622 00623 enum { eVariablesStackDefault = 20 }; 00624 00625 QNameSetVectorType m_inScopeVariableNamesStack; 00626 00630 ElemTemplateElement* 00631 initWrapperless( 00632 const XalanDOMChar* name, 00633 const AttributeList& atts, 00634 int lineNumber, 00635 int columnNumber); 00636 00637 const XalanDOMString& 00638 getNamespaceFromStack(const XalanDOMChar* theName) const; 00639 00640 const XalanDOMString& 00641 getNamespaceForPrefixFromStack(const XalanDOMString& thePrefix) const; 00642 00643 class PushPopIncludeState 00644 { 00645 public: 00646 00647 PushPopIncludeState(StylesheetHandler& theHandler); 00648 00649 ~PushPopIncludeState(); 00650 00651 private: 00652 00653 StylesheetHandler& m_handler; 00654 00655 ElemTemplateStackType m_elemStack; 00656 00657 ElemTemplateSetType m_elemStackParentedElements; 00658 00659 ElemTemplate* const m_pTemplate; 00660 00661 ElemTemplateElement* const m_lastPopped; 00662 00663 const bool m_inTemplate; 00664 00665 const bool m_foundStylesheet; 00666 00667 const XalanDOMString m_XSLNameSpaceURL; 00668 00669 const bool m_foundNotImport; 00670 00671 Stylesheet::NamespaceVectorType m_namespaceDecls; 00672 00673 Stylesheet::NamespacesStackType m_namespaces; 00674 00675 NamespacesHandler m_namespacesHandler; 00676 00677 BoolStackType m_inExtensionElementStack; 00678 00679 BoolStackType m_preserveSpaceStack; 00680 }; 00681 00682 friend class PushPopIncludeState; 00683 00684 static const XalanDOMString s_emptyString; 00685 00686 static const XalanQName& s_spaceAttrQName; 00687 }; 00688 00689 00690 00691 #endif // XALAN_STYLESHEETHANDLER_HEADER_GUARD
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Xalan-C++ XSLT Processor Version 1.4 |
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