/* * Copyright 2001,2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * $Id: XercesElementWildcard.cpp 191054 2005-06-17 02:56:35Z jberry $ */ // --------------------------------------------------------------------------- // Includes // --------------------------------------------------------------------------- #include XERCES_CPP_NAMESPACE_BEGIN // --------------------------------------------------------------------------- // Local methods // --------------------------------------------------------------------------- /** * XercesElementWildcard is used to check whether two element declarations conflict */ /** * Check whether two element declarations conflict */ bool XercesElementWildcard::conflict(SchemaGrammar* const pGrammar, ContentSpecNode::NodeTypes type1, QName* q1, ContentSpecNode::NodeTypes type2, QName* q2, SubstitutionGroupComparator* comparator) { if (type1 == ContentSpecNode::Leaf && type2 == ContentSpecNode::Leaf) { if (comparator->isEquivalentTo(q1, q2) || comparator->isEquivalentTo(q2, q1)) return true; } else if (type1 == ContentSpecNode::Leaf) { return uriInWildcard(pGrammar, q1, q2->getURI(), type2, comparator); } else if (type2 == ContentSpecNode::Leaf) { return uriInWildcard(pGrammar, q2, q1->getURI(), type1, comparator); } else { return wildcardIntersect(type1, q1->getURI(), type2, q2->getURI()); } return false; } bool XercesElementWildcard::uriInWildcard(SchemaGrammar* const pGrammar, QName* qname, unsigned int wildcard, ContentSpecNode::NodeTypes wtype, SubstitutionGroupComparator* comparator) { if ((wtype & 0x0f)== ContentSpecNode::Any) { return true; } else if ((wtype & 0x0f)== ContentSpecNode::Any_NS) { // substitution of "uri" satisfies "wtype:wildcard" return comparator->isAllowedByWildcard(pGrammar, qname, wildcard, false); } else if ((wtype & 0x0f)== ContentSpecNode::Any_Other) { // substitution of "uri" satisfies "wtype:wildcard" return comparator->isAllowedByWildcard(pGrammar, qname, wildcard, true); } return false; } bool XercesElementWildcard::wildcardIntersect(ContentSpecNode::NodeTypes t1, unsigned int w1, ContentSpecNode::NodeTypes t2, unsigned int w2) { if (((t1 & 0x0f) == ContentSpecNode::Any) || ((t2 & 0x0f) == ContentSpecNode::Any)) { // if either one is "##any", then intersects return true; } else if (((t1 & 0x0f) == ContentSpecNode::Any_NS) && ((t2 & 0x0f) == ContentSpecNode::Any_NS) && (w1 == w2)) { // if both are "some_namespace" and equal, then intersects return true; } else if (((t1 & 0x0f) == ContentSpecNode::Any_Other) && ((t2 & 0x0f) == ContentSpecNode::Any_Other)) { // if both are "##other", and equal, then intersects return true; } else if (((((t1 & 0x0f) == ContentSpecNode::Any_NS) && ((t2 & 0x0f) == ContentSpecNode::Any_Other)) || (((t1 & 0x0f) == ContentSpecNode::Any_Other) && ((t2 & 0x0f) == ContentSpecNode::Any_NS))) && (w1 != w2)) { return true; } return false; } XERCES_CPP_NAMESPACE_END