| /* |
| * 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.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xerces.impl.xs; |
| |
| import org.apache.xerces.impl.dv.ValidatedInfo; |
| |
| /** |
| * The XML representation for an attribute group declaration |
| * schema component is a global <attributeGroup> element information item |
| * |
| * @author Sandy Gao, IBM |
| * @author Rahul Srivastava, Sun Microsystems Inc. |
| * |
| * @version $Id$ |
| */ |
| public class XSAttributeGroupDecl { |
| |
| // name of the attribute group |
| public String fName = null; |
| // target namespace of the attribute group |
| public String fTargetNamespace = null; |
| // number of attribute uses included by this attribute group |
| int fAttrUseNum = 0; |
| // attribute uses included by this attribute group |
| private static final int INITIAL_SIZE = 5; |
| XSAttributeUse[] fAttributeUses = new XSAttributeUse[INITIAL_SIZE]; |
| // attribute wildcard included by this attribute group |
| public XSWildcardDecl fAttributeWC = null; |
| // whether there is an attribute use whose type is or is derived from ID. |
| public String fIDAttrName = null; |
| |
| // add an attribute use |
| // if the type is derived from ID, but there is already another attribute |
| // use of type ID, then return the name of the other attribute use; |
| // otherwise, return null |
| public String addAttributeUse(XSAttributeUse attrUse) { |
| if (fAttrUseNum == fAttributeUses.length) { |
| fAttributeUses = resize(fAttributeUses, fAttrUseNum*2); |
| } |
| fAttributeUses[fAttrUseNum++] = attrUse; |
| |
| // if this attribute use is prohibited, then don't check whether it's |
| // of type ID |
| if (attrUse.fUse == SchemaSymbols.USE_PROHIBITED) |
| return null; |
| |
| if (attrUse.fAttrDecl.fType.isIDType()) { |
| // if there is already an attribute use of type ID, return it' sname |
| if (fIDAttrName == null) |
| fIDAttrName = attrUse.fAttrDecl.fName; |
| else |
| return fIDAttrName; |
| } |
| |
| return null; |
| } |
| |
| public XSAttributeUse getAttributeUse(String uri, String localpart) { |
| for (int i=0; i<fAttrUseNum; i++) { |
| if ( (fAttributeUses[i].fAttrDecl.fTargetNamespace == uri) && |
| (fAttributeUses[i].fAttrDecl.fName == localpart) ) |
| return fAttributeUses[i]; |
| } |
| |
| return null; |
| } |
| |
| public void removeProhibitedAttrs() { |
| int pCount = 0; |
| XSAttributeUse[] pUses = new XSAttributeUse[fAttrUseNum]; |
| for (int i = 0; i < fAttrUseNum; i++) { |
| if (fAttributeUses[i].fUse == SchemaSymbols.USE_PROHIBITED) { |
| pCount++; |
| // we use the entries at the end, so that we can use the |
| // first entries to store non-prohibited attribute uses, |
| // hence avoid creating a new array. |
| pUses[fAttrUseNum-pCount] = fAttributeUses[i]; |
| } |
| } |
| |
| int newCount = 0; |
| if (pCount > 0) { |
| for (int i = 0; i < fAttrUseNum; i++) { |
| if (fAttributeUses[i].fUse == SchemaSymbols.USE_PROHIBITED) |
| continue; |
| for (int j = 1; j <= pCount; j++) { |
| if (fAttributeUses[i].fAttrDecl.fName == pUses[fAttrUseNum-pCount].fAttrDecl.fName && |
| fAttributeUses[i].fAttrDecl.fTargetNamespace == pUses[fAttrUseNum-pCount].fAttrDecl.fTargetNamespace) { |
| continue; |
| } |
| } |
| pUses[newCount++] = fAttributeUses[i]; |
| } |
| fAttributeUses = pUses; |
| fAttrUseNum = newCount; |
| } |
| } |
| |
| public XSAttributeUse[] getAttributeUses() { |
| if (fAttrUseNum < fAttributeUses.length) { |
| fAttributeUses = resize(fAttributeUses, fAttrUseNum); |
| } |
| return fAttributeUses; |
| } |
| |
| // Check that the attributes in this group validly restrict those from a base group |
| // If an error is found, the error code is returned. |
| public String validRestrictionOf(XSAttributeGroupDecl baseGroup) { |
| |
| String errorCode = null; |
| XSAttributeUse attrUse = null; |
| XSAttributeDecl attrDecl = null; |
| XSAttributeUse baseAttrUse = null; |
| XSAttributeDecl baseAttrDecl = null; |
| |
| for (int i=0; i<fAttrUseNum; i++) { |
| |
| attrUse = fAttributeUses[i]; |
| attrDecl = attrUse.fAttrDecl; |
| |
| // Look for a match in the base |
| baseAttrUse = baseGroup.getAttributeUse( |
| attrDecl.fTargetNamespace,attrDecl.fName); |
| if (baseAttrUse != null) { |
| // |
| // derivation-ok-restriction. Constraint 2.1.1 |
| // |
| |
| if (baseAttrUse.fUse == SchemaSymbols.USE_REQUIRED && |
| attrUse.fUse != SchemaSymbols.USE_REQUIRED) { |
| errorCode = "derivation-ok-restriction.2.1.1"; |
| return errorCode; |
| } |
| |
| baseAttrDecl = baseAttrUse.fAttrDecl; |
| // |
| // derivation-ok-restriction. Constraint 2.1.1 |
| // |
| if (! XSConstraints.checkSimpleDerivationOk(attrDecl.fType, |
| baseAttrDecl.fType, |
| baseAttrDecl.fType.getFinalSet()) ) { |
| errorCode="derivation-ok-restriction.2.1.2"; |
| return errorCode; |
| } |
| |
| |
| // |
| // derivation-ok-restriction. Constraint 2.1.3 |
| // |
| int baseConsType=baseAttrUse.fConstraintType!=XSAttributeDecl.NO_CONSTRAINT? |
| baseAttrUse.fConstraintType:baseAttrDecl.getConstraintType(); |
| int thisConstType = attrUse.fConstraintType!=XSAttributeDecl.NO_CONSTRAINT? |
| attrUse.fConstraintType:attrDecl.getConstraintType(); |
| |
| if (baseConsType == XSAttributeDecl.FIXED_VALUE) { |
| |
| if (thisConstType != XSAttributeDecl.FIXED_VALUE) { |
| errorCode="derivation-ok-restriction.2.1.3"; |
| return errorCode; |
| } |
| else { |
| // check the values are the same. NB - this should not be a string |
| // comparison REVISIT when we have new datatype design! |
| ValidatedInfo baseFixedValue=(baseAttrUse.fDefault!=null ? |
| baseAttrUse.fDefault: baseAttrDecl.fDefault); |
| ValidatedInfo thisFixedValue=(attrUse.fDefault!=null ? |
| attrUse.fDefault: attrDecl.fDefault); |
| if (!baseFixedValue.normalizedValue.equals(thisFixedValue.normalizedValue)) { |
| errorCode="derivation-ok-restriction.2.1.3"; |
| return errorCode; |
| } |
| |
| } |
| |
| } |
| } |
| else { |
| // No matching attribute in base - there should be a matching wildcard |
| |
| |
| // |
| // derivation-ok-restriction. Constraint 2.2 |
| // |
| if (baseGroup.fAttributeWC == null || |
| (!baseGroup.fAttributeWC.allowNamespace(attrDecl.fTargetNamespace))) { |
| |
| errorCode = "derivation-ok-restriction.2.2"; |
| return errorCode; |
| } |
| } |
| } |
| |
| // |
| // Check that any REQUIRED attributes in the base have matching attributes |
| // in this group |
| // derivation-ok-restriction. Constraint 3 |
| // |
| for (int i=0; i<baseGroup.fAttrUseNum; i++) { |
| |
| baseAttrUse = baseGroup.fAttributeUses[i]; |
| |
| if (baseAttrUse.fUse == SchemaSymbols.USE_REQUIRED) { |
| |
| baseAttrDecl = baseAttrUse.fAttrDecl; |
| // Look for a match in this group |
| XSAttributeUse thisAttrUse = getAttributeUse( |
| baseAttrDecl.fTargetNamespace,baseAttrDecl.fName); |
| if (thisAttrUse == null) { |
| errorCode = "derivation-ok-restriction.3"; |
| return errorCode; |
| } |
| } |
| } |
| |
| |
| // Now, check wildcards |
| // |
| // derivation-ok-restriction. Constraint 4 |
| // |
| if (fAttributeWC != null) { |
| if (baseGroup.fAttributeWC == null) { |
| errorCode = "derivation-ok-restriction.4"; |
| return errorCode; |
| } |
| if (! fAttributeWC.isSubsetOf(baseGroup.fAttributeWC)) { |
| errorCode="derivation-ok-restriction.4"; |
| return errorCode; |
| } |
| } |
| |
| return null; |
| |
| } |
| |
| static final XSAttributeUse[] resize(XSAttributeUse[] oldArray, int newSize) { |
| XSAttributeUse[] newArray = new XSAttributeUse[newSize]; |
| System.arraycopy(oldArray, 0, newArray, 0, Math.min(oldArray.length, newSize)); |
| return newArray; |
| } |
| |
| } // class XSAttributeGroupDecl |
