ValueStore.cpp
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- /*
- * 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: ValueStore.cpp,v $
- * 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 2002/12/04 02:32:43 knoaman
- * #include cleanup.
- *
- * Revision 1.4 2002/11/04 14:47:41 tng
- * C++ Namespace Support.
- *
- * Revision 1.3 2002/09/24 19:57:20 tng
- * Performance: use XMLString::equals instead of XMLString::compareString
- *
- * Revision 1.2 2002/02/18 06:26:50 jberry
- * Quiet codewarrior compiler warnings
- *
- * Revision 1.1.1.1 2002/02/01 22:22:51 peiyongz
- * sane_include
- *
- * Revision 1.3 2001/12/06 17:03:37 knoaman
- * Identity Constraint: fix for xpath expressions containing union operator(s).
- *
- * Revision 1.2 2001/11/20 20:32:52 knoaman
- * Bypass validating element's simple content if it's empty and element is nillable.
- *
- * Revision 1.1 2001/11/02 14:08:40 knoaman
- * Add support for identity constraints.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/internal/XMLScanner.hpp>
- #include <xercesc/framework/XMLValidator.hpp>
- #include <xercesc/validators/datatype/DatatypeValidator.hpp>
- #include <xercesc/validators/schema/identity/ValueStore.hpp>
- #include <xercesc/validators/schema/identity/IC_Field.hpp>
- #include <xercesc/validators/schema/identity/IC_KeyRef.hpp>
- #include <xercesc/validators/schema/identity/ValueStoreCache.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // ValueStore: Constructors and Destructor
- // ---------------------------------------------------------------------------
- ValueStore::ValueStore(IdentityConstraint* const ic,
- XMLScanner* const scanner,
- MemoryManager* const manager)
- : fDoReportError(false)
- , fValuesCount(0)
- , fIdentityConstraint(ic)
- , fValues(manager)
- , fValueTuples(0)
- , fKeyValueStore(0)
- , fScanner(scanner)
- , fMemoryManager(manager)
- {
- fDoReportError = (scanner && scanner->getDoValidation());
- }
- ValueStore::~ValueStore()
- {
- delete fValueTuples;
- }
- // ---------------------------------------------------------------------------
- // ValueStore: Helper methods
- // ---------------------------------------------------------------------------
- void ValueStore::addValue(IC_Field* const field,
- DatatypeValidator* const dv,
- const XMLCh* const value) {
- if (!field->getMayMatch() && fDoReportError) {
- fScanner->getValidator()->emitError(XMLValid::IC_FieldMultipleMatch);
- }
- // do we even know this field?
- int index = fValues.indexOf(field);
- if (index == -1) {
- if (fDoReportError) {
- fScanner->getValidator()->emitError(XMLValid::IC_UnknownField);
- }
- return;
- }
- // store value
- if (!fValues.getDatatypeValidatorAt(index) &&
- !fValues.getValueAt(index)) {
- fValuesCount++;
- }
- fValues.put(field, dv, value);
- if (fValuesCount == (int) fValues.size()) {
- // is this value as a group duplicated?
- if (contains(&fValues)) {
- duplicateValue();
- }
- // store values
- if (!fValueTuples) {
- fValueTuples = new (fMemoryManager) RefVectorOf<FieldValueMap>(4, true, fMemoryManager);
- }
- fValueTuples->addElement(new (fMemoryManager) FieldValueMap(fValues));
- }
- }
- void ValueStore::append(const ValueStore* const other) {
- if (!other->fValueTuples) {
- return;
- }
- unsigned int tupleSize = other->fValueTuples->size();
- for (unsigned int i=0; i<tupleSize; i++) {
- FieldValueMap* valueMap = other->fValueTuples->elementAt(i);
- if (!contains(valueMap)) {
- if (!fValueTuples) {
- fValueTuples = new (fMemoryManager) RefVectorOf<FieldValueMap>(4, true, fMemoryManager);
- }
- fValueTuples->addElement(new (fMemoryManager) FieldValueMap(*valueMap));
- }
- }
- }
- void ValueStore::startValueScope() {
- fValuesCount = 0;
- int count = fIdentityConstraint->getFieldCount();
- for (int i = 0; i < count; i++) {
- fValues.put(fIdentityConstraint->getFieldAt(i), 0, 0);
- }
- }
- void ValueStore::endValueScope() {
- if (fValuesCount == 0) {
- if (fIdentityConstraint->getType() == IdentityConstraint::KEY && fDoReportError) {
- fScanner->getValidator()->emitError(XMLValid::IC_AbsentKeyValue,
- fIdentityConstraint->getElementName());
- }
- return;
- }
- // do we have enough values?
- if ((fValuesCount != fIdentityConstraint->getFieldCount()) && fDoReportError) {
- switch (fIdentityConstraint->getType()) {
- case IdentityConstraint::UNIQUE:
- {
- fScanner->getValidator()->emitError(XMLValid::IC_UniqueNotEnoughValues,
- fIdentityConstraint->getElementName());
- break;
- }
- case IdentityConstraint::KEY:
- {
- fScanner->getValidator()->emitError(XMLValid::IC_KeyNotEnoughValues,
- fIdentityConstraint->getElementName(), fIdentityConstraint->getIdentityConstraintName());
- break;
- }
- case IdentityConstraint::KEYREF:
- {
- fScanner->getValidator()->emitError(XMLValid::IC_KeyRefNotEnoughValues,
- fIdentityConstraint->getElementName(), fIdentityConstraint->getIdentityConstraintName());
- break;
- }
- }
- }
- }
- bool ValueStore::contains(const FieldValueMap* const other) {
- if (fValueTuples) {
- unsigned int otherSize = other->size();
- unsigned int tupleSize = fValueTuples->size();
- for (unsigned int i=0; i<tupleSize; i++) {
- FieldValueMap* valueMap = fValueTuples->elementAt(i);
- if (otherSize == valueMap->size()) {
- bool matchFound = true;
- for (unsigned int j=0; j<otherSize; j++) {
- if (!isDuplicateOf(valueMap->getDatatypeValidatorAt(j), valueMap->getValueAt(j),
- other->getDatatypeValidatorAt(j), other->getValueAt(j))) {
- matchFound = false;
- break;
- }
- }
- if (matchFound) { // found it
- return true;
- }
- }
- }
- }
- return false;
- }
- bool ValueStore::isDuplicateOf(DatatypeValidator* const dv1, const XMLCh* const val1,
- DatatypeValidator* const dv2, const XMLCh* const val2) {
- // if either validator's null, fall back on string comparison
- if(!dv1 || !dv2) {
- return (XMLString::equals(val1, val2));
- }
- unsigned int val1Len = XMLString::stringLen(val1);
- unsigned int val2Len = XMLString::stringLen(val2);
- if (!val1Len && !val2Len) {
- if (dv1 == dv2) {
- return true;
- }
- return false;
- }
- if (!val1Len || !val2Len) {
- return false;
- }
- // are the validators equal?
- // As always we are obliged to compare by reference...
- if (dv1 == dv2) {
- return ((dv1->compare(val1, val2)) == 0);
- }
- // see if this.fValidator is derived from value.fValidator:
- DatatypeValidator* tempVal = dv1;
- for(; !tempVal || tempVal == dv2; tempVal = tempVal->getBaseValidator()) ;
- if (tempVal) { // was derived!
- return ((dv2->compare(val1, val2)) == 0);
- }
- // see if value.fValidator is derived from this.fValidator:
- for(tempVal = dv2; !tempVal || tempVal == dv1; tempVal = tempVal->getBaseValidator()) ;
- if(tempVal) { // was derived!
- return ((dv1->compare(val1, val2)) == 0);
- }
- // if we're here it means the types weren't related. Must fall back to strings:
- return (XMLString::equals(val1, val2));
- }
- // ---------------------------------------------------------------------------
- // ValueStore: Docuement handling methods
- // ---------------------------------------------------------------------------
- void ValueStore::endDcocumentFragment(ValueStoreCache* const valueStoreCache) {
- if (fIdentityConstraint->getType() == IdentityConstraint::KEYREF) {
- // verify references
- // get the key store corresponding (if it exists):
- fKeyValueStore = valueStoreCache->getGlobalValueStoreFor(((IC_KeyRef*) fIdentityConstraint)->getKey());
- if (!fKeyValueStore) {
- if (fDoReportError) {
- fScanner->getValidator()->emitError(XMLValid::IC_KeyRefOutOfScope,
- fIdentityConstraint->getIdentityConstraintName());
- }
- return;
- }
- unsigned int count = (fValueTuples) ? fValueTuples->size() : 0;
- for (unsigned int i = 0; i < count; i++) {
- FieldValueMap* valueMap = fValueTuples->elementAt(i);
- if (!fKeyValueStore->contains(valueMap) && fDoReportError) {
- fScanner->getValidator()->emitError(XMLValid::IC_KeyNotFound,
- fIdentityConstraint->getElementName());
- }
- }
- }
- }
- // ---------------------------------------------------------------------------
- // ValueStore: Error reporting methods
- // ---------------------------------------------------------------------------
- void ValueStore::reportNilError(IdentityConstraint* const ic) {
- if (fDoReportError && ic->getType() == IdentityConstraint::KEY) {
- fScanner->getValidator()->emitError(XMLValid::IC_KeyMatchesNillable,
- ic->getElementName());
- }
- }
- void ValueStore::duplicateValue() {
- if (fDoReportError) {
- switch (fIdentityConstraint->getType()) {
- case IdentityConstraint::UNIQUE:
- {
- fScanner->getValidator()->emitError(XMLValid::IC_DuplicateUnique,
- fIdentityConstraint->getElementName());
- break;
- }
- case IdentityConstraint::KEY:
- {
- fScanner->getValidator()->emitError(XMLValid::IC_DuplicateKey,
- fIdentityConstraint->getElementName());
- break;
- }
- }
- }
- }
- XERCES_CPP_NAMESPACE_END
- /**
- * End of file ValueStore.cpp
- */