RangeTokenMap.cpp
上传用户:huihehuasu
上传日期:2007-01-10
资源大小:6948k
文件大小:10k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: RangeTokenMap.cpp,v $
- * Revision 1.5 2001/10/25 15:06:26 tng
- * Thread safe the static instance.
- *
- * Revision 1.4 2001/10/23 23:13:41 peiyongz
- * [Bug#880] patch to PlatformUtils:init()/term() and related. from Mark Weaver
- *
- * Revision 1.3 2001/07/16 21:28:25 knoaman
- * fix bug - no delete for the static instance in destructor.
- *
- * Revision 1.2 2001/05/11 13:26:45 tng
- * Copyright update.
- *
- * Revision 1.1 2001/05/03 18:17:40 knoaman
- * Some design changes:
- * o Changed the TokenFactory from a single static instance, to a
- * normal class. Each RegularExpression object will have its own
- * instance of TokenFactory, and that instance will be passed to
- * other classes that need to use a TokenFactory to create Token
- * objects (with the exception of RangeTokenMap).
- * o Added a new class RangeTokenMap to map a the different ranges
- * in a given category to a specific RangeFactory object. In the old
- * design RangeFactory had dual functionality (act as a Map, and as
- * a factory for creating RangeToken(s)). The RangeTokenMap will
- * have its own copy of the TokenFactory. There will be only one
- * instance of the RangeTokenMap class, and that instance will be
- * lazily deleted when XPlatformUtils::Terminate is called.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <util/regx/RangeTokenMap.hpp>
- #include <util/regx/RangeToken.hpp>
- #include <util/regx/RegxDefs.hpp>
- #include <util/regx/TokenFactory.hpp>
- #include <util/regx/RangeFactory.hpp>
- #include <util/PlatformUtils.hpp>
- #include <util/XMLExceptMsgs.hpp>
- #include <util/XMLRegisterCleanup.hpp>
- // ---------------------------------------------------------------------------
- // Static member data initialization
- // ---------------------------------------------------------------------------
- RangeTokenMap* RangeTokenMap::fInstance = 0;
- // ---------------------------------------------------------------------------
- // RangeTokenElemMap: Constructors and Destructor
- // ---------------------------------------------------------------------------
- RangeTokenElemMap::RangeTokenElemMap(unsigned int categoryId) :
- fCategoryId(categoryId)
- , fRange(0)
- , fNRange(0)
- {
- }
- RangeTokenElemMap::~RangeTokenElemMap()
- {
- }
- // ---------------------------------------------------------------------------
- // RangeTokenMap: Constructors and Destructor
- // ---------------------------------------------------------------------------
- RangeTokenMap::RangeTokenMap() :
- fRegistryInitialized(0)
- , fTokenRegistry(0)
- , fRangeMap(0)
- , fCategories(0)
- , fTokenFactory(0) {
- }
- RangeTokenMap::~RangeTokenMap() {
- delete fTokenRegistry;
- fTokenRegistry = 0;
- delete fRangeMap;
- fRangeMap = 0;
- delete fCategories;
- fCategories = 0;
- delete fTokenFactory;
- fTokenFactory = 0;
- fInstance = 0;
- }
- // ---------------------------------------------------------------------------
- // RangeTokenMap: Getter methods
- // ---------------------------------------------------------------------------
- RangeToken* RangeTokenMap::getRange(const XMLCh* const keyword,
- const bool complement) {
- if (fTokenRegistry == 0 || fRangeMap == 0 || fCategories == 0)
- return 0;
- if (!fTokenRegistry->containsKey(keyword))
- return 0;
- RangeTokenElemMap* elemMap = 0;
- // Use a faux scope to synchronize while we do this
- {
- XMLMutexLock lockInit(&fMutex);
- elemMap = fTokenRegistry->get(keyword);
- RangeToken* rangeTok = 0;
- if (elemMap->getRangeToken() == 0) {
- unsigned int categId = elemMap->getCategoryId();
- const XMLCh* categName = fCategories->getValueForId(categId);
- RangeFactory* rangeFactory = fRangeMap->get(categName);
- if (rangeFactory == 0)
- return 0;
- rangeFactory->buildRanges();
- }
- if (complement && ((rangeTok = elemMap->getRangeToken()) != 0)) {
- elemMap->setRangeToken((RangeToken*)
- RangeToken::complementRanges(rangeTok, fTokenFactory),
- complement);
- }
- }
- return (elemMap == 0) ? 0 : elemMap->getRangeToken(complement);
- }
- // ---------------------------------------------------------------------------
- // RangeTokenMap: Putter methods
- // ---------------------------------------------------------------------------
- void RangeTokenMap::addCategory(const XMLCh* const categoryName) {
- if (fCategories)
- fCategories->addOrFind(categoryName);
- }
- void RangeTokenMap::addRangeMap(const XMLCh* const categoryName,
- RangeFactory* const rangeFactory) {
- if (fRangeMap)
- fRangeMap->put((void*)categoryName, rangeFactory);
- }
- void RangeTokenMap::addKeywordMap(const XMLCh* const keyword,
- const XMLCh* const categoryName) {
- if (fCategories == 0 || fTokenRegistry == 0)
- return;
- unsigned int categId = fCategories->getId(categoryName);
- if (categId == 0) {
- ThrowXML1(RuntimeException, XMLExcepts::Regex_InvalidCategoryName, categoryName);
- }
- if (fTokenRegistry->containsKey(keyword)) {
- RangeTokenElemMap* elemMap = fTokenRegistry->get(keyword);
- if (elemMap->getCategoryId() != categId)
- elemMap->setCategoryId(categId);
- return;
- }
- fTokenRegistry->put((void*) keyword, new RangeTokenElemMap(categId));
- }
- // ---------------------------------------------------------------------------
- // RangeTokenMap: Setter methods
- // ---------------------------------------------------------------------------
- void RangeTokenMap::setRangeToken(const XMLCh* const keyword,
- RangeToken* const tok,const bool complement) {
- if (fTokenRegistry == 0)
- return;
- if (fTokenRegistry->containsKey(keyword)) {
- fTokenRegistry->get(keyword)->setRangeToken(tok, complement);
- }
- else {
- ThrowXML1(RuntimeException, XMLExcepts::Regex_KeywordNotFound, keyword);
- }
- }
- // ---------------------------------------------------------------------------
- // RangeTokenMap: Initialization methods
- // ---------------------------------------------------------------------------
- void RangeTokenMap::initializeRegistry() {
- XMLMutexLock lockInit(&fMutex);
- if (fRegistryInitialized)
- return;
- fTokenFactory = new TokenFactory();
- fTokenRegistry = new RefHashTableOf<RangeTokenElemMap>(109);
- fRangeMap = new RefHashTableOf<RangeFactory>(29);
- fCategories = new XMLStringPool();
- fRegistryInitialized = true;
- }
- // ---------------------------------------------------------------------------
- // RangeTokenMap: Instance methods
- // ---------------------------------------------------------------------------
- RangeTokenMap* RangeTokenMap::instance() {
- static XMLRegisterCleanup instanceCleanup;
- if (!fInstance) {
- RangeTokenMap* t = new RangeTokenMap();
- if (XMLPlatformUtils::compareAndSwap((void **)&fInstance, t, 0) != 0)
- {
- delete t;
- }
- else
- {
- instanceCleanup.registerCleanup(reinitInstance);
- }
- }
- return (fInstance);
- }
- // -----------------------------------------------------------------------
- // Notification that lazy data has been deleted
- // -----------------------------------------------------------------------
- void RangeTokenMap::reinitInstance() {
- delete fInstance;
- fInstance = 0;
- }
- /**
- * End of file RangeTokenMap.cpp
- */