ValueStoreCache.cpp
上传用户:zhuqijet
上传日期:2013-06-25
资源大小:10074k
文件大小:8k
- /*
- * 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) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: ValueStoreCache.cpp,v $
- * Revision 1.8 2003/05/26 22:05:01 knoaman
- * Pass the memory manager to XMLString::replicate.
- *
- * Revision 1.7 2003/05/18 14:02:09 knoaman
- * Memory manager implementation: pass per instance manager.
- *
- * Revision 1.6 2003/05/15 18:59:34 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.5 2002/11/04 14:47:41 tng
- * C++ Namespace Support.
- *
- * Revision 1.4 2002/08/28 13:41:20 knoaman
- * missing type info.
- *
- * Revision 1.3 2002/08/27 05:56:19 knoaman
- * Identity Constraint: handle case of recursive elements.
- *
- * Revision 1.2 2002/08/26 23:48:09 knoaman
- * Fix for ValueStore's null pointer.
- *
- * Revision 1.1.1.1 2002/02/01 22:22:51 peiyongz
- * sane_include
- *
- * Revision 1.1 2001/11/02 14:08:40 knoaman
- * Add support for identity constraints.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/validators/schema/identity/ValueStoreCache.hpp>
- #include <xercesc/validators/schema/identity/ValueStore.hpp>
- #include <xercesc/validators/schema/SchemaElementDecl.hpp>
- #include <xercesc/util/HashPtr.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // ValueStoreCache: Constructors and Destructor
- // ---------------------------------------------------------------------------
- ValueStoreCache::ValueStoreCache(MemoryManager* const manager)
- : fValueStores(0)
- , fGlobalICMap(0)
- , fIC2ValueStoreMap(0)
- , fGlobalMapStack(0)
- , fScanner(0)
- , fMemoryManager(manager)
- {
- try {
- init();
- }
- catch(...) {
- cleanUp();
- throw;
- }
- }
- ValueStoreCache::~ValueStoreCache()
- {
- cleanUp();
- }
- // ---------------------------------------------------------------------------
- // ValueStoreCache: Document handling methods
- // ---------------------------------------------------------------------------
- void ValueStoreCache::startDocument() {
- fIC2ValueStoreMap->removeAll();
- fGlobalICMap->removeAll();
- fValueStores->removeAllElements();
- fGlobalMapStack->removeAllElements();
- }
- void ValueStoreCache::startElement() {
- fGlobalMapStack->push(fGlobalICMap);
- fGlobalICMap = new (fMemoryManager) RefHashTableOf<ValueStore>
- (
- 13
- , false
- , new (fMemoryManager) HashPtr()
- , fMemoryManager
- );
- }
- void ValueStoreCache::endElement() {
- if (fGlobalMapStack->empty()) {
- return; // must be an invalid doc!
- }
- RefHashTableOf<ValueStore>* oldMap = fGlobalMapStack->pop();
- RefHashTableOfEnumerator<ValueStore> mapEnum(oldMap);
- // Janitor<RefHashTableOf<ValueStore> > janMap(oldMap);
- while (mapEnum.hasMoreElements()) {
- ValueStore& oldVal = mapEnum.nextElement();
- IdentityConstraint* ic = oldVal.getIdentityConstraint();
- ValueStore* currVal = fGlobalICMap->get(ic);
- if (!currVal) {
- fGlobalICMap->put(ic, &oldVal);
- }
- else {
- currVal->append(&oldVal);
- }
- }
- delete oldMap;
- }
- // ---------------------------------------------------------------------------
- // ValueStoreCache: Helper methods
- // ---------------------------------------------------------------------------
- void ValueStoreCache::cleanUp() {
- delete fIC2ValueStoreMap;
- delete fGlobalICMap;
- delete fGlobalMapStack;
- delete fValueStores;
- }
- void ValueStoreCache::init() {
- fValueStores = new (fMemoryManager) RefVectorOf<ValueStore>(8, true, fMemoryManager);
- fGlobalICMap = new (fMemoryManager) RefHashTableOf<ValueStore>
- (
- 13
- , false
- , new (fMemoryManager) HashPtr()
- , fMemoryManager
- );
- fIC2ValueStoreMap = new (fMemoryManager) RefHash2KeysTableOf<ValueStore>
- (
- 13
- , false
- , new (fMemoryManager) HashPtr()
- , fMemoryManager
- );
- fGlobalMapStack = new (fMemoryManager) RefStackOf<RefHashTableOf<ValueStore> >(8, true, fMemoryManager);
- }
- void ValueStoreCache::initValueStoresFor(SchemaElementDecl* const elemDecl,
- const int initialDepth) {
- // initialize value stores for unique fields
- unsigned int icCount = elemDecl->getIdentityConstraintCount();
- for (unsigned int i=0; i<icCount; i++) {
- IdentityConstraint* ic = elemDecl->getIdentityConstraintAt(i);
- ValueStore* valueStore = new (fMemoryManager) ValueStore(ic, fScanner, fMemoryManager);
- fValueStores->addElement(valueStore);
- fIC2ValueStoreMap->put(ic, initialDepth, valueStore);
- }
- }
- void ValueStoreCache::transplant(IdentityConstraint* const ic, const int initialDepth) {
- if (ic->getType() == IdentityConstraint::KEYREF) {
- return;
- }
- ValueStore* newVals = fIC2ValueStoreMap->get(ic, initialDepth);
- ValueStore* currVals = fGlobalICMap->get(ic);
- if (currVals) {
- currVals->append(newVals);
- } else {
- ValueStore* valueStore = new (fMemoryManager) ValueStore(ic, fScanner, fMemoryManager);
- fValueStores->addElement(valueStore);
- valueStore->append(newVals);
- fGlobalICMap->put(ic, valueStore);
- }
- }
- XERCES_CPP_NAMESPACE_END
- /**
- * End of file ValueStoreCache.cpp
- */