JDK 11 java.xml.jmod - XML Module
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⏎ com/sun/org/apache/xerces/internal/impl/xs/XSConstraints.java
/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package com.sun.org.apache.xerces.internal.impl.xs;
import com.sun.org.apache.xerces.internal.impl.XMLErrorReporter;
import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeValueException;
import com.sun.org.apache.xerces.internal.impl.dv.ValidatedInfo;
import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;
import com.sun.org.apache.xerces.internal.impl.dv.XSSimpleType;
import com.sun.org.apache.xerces.internal.impl.xs.models.CMBuilder;
import com.sun.org.apache.xerces.internal.impl.xs.models.XSCMValidator;
import com.sun.org.apache.xerces.internal.impl.xs.util.SimpleLocator;
import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl;
import com.sun.org.apache.xerces.internal.util.SymbolHash;
import com.sun.org.apache.xerces.internal.xs.XSConstants;
import com.sun.org.apache.xerces.internal.xs.XSObjectList;
import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* Constaints shared by traversers and validator
*
* @xerces.internal
*
* @author Sandy Gao, IBM
*
* @LastModified: Nov 2017
*/
public class XSConstraints {
// IHR: Visited on 2006-11-17
// Added a boolean return value to particleValidRestriction (it was a void function)
// to help the checkRecurseLax to know when expansion has happened and no order is required
// (IHR@xbrl.org) (Ignacio@Hernandez-Ros.com)
static final int OCCURRENCE_UNKNOWN = SchemaSymbols.OCCURRENCE_UNBOUNDED-1;
static final XSSimpleType STRING_TYPE =
(XSSimpleType)SchemaGrammar.SG_SchemaNS.getGlobalTypeDecl(SchemaSymbols.ATTVAL_STRING);
private static XSParticleDecl fEmptyParticle = null;
public static XSParticleDecl getEmptySequence() {
if (fEmptyParticle == null) {
XSModelGroupImpl group = new XSModelGroupImpl();
group.fCompositor = XSModelGroupImpl.MODELGROUP_SEQUENCE;
group.fParticleCount = 0;
group.fParticles = null;
group.fAnnotations = XSObjectListImpl.EMPTY_LIST;
XSParticleDecl particle = new XSParticleDecl();
particle.fType = XSParticleDecl.PARTICLE_MODELGROUP;
particle.fValue = group;
particle.fAnnotations = XSObjectListImpl.EMPTY_LIST;
fEmptyParticle = particle;
}
return fEmptyParticle;
}
private static final Comparator<XSParticleDecl> ELEMENT_PARTICLE_COMPARATOR =
new Comparator<XSParticleDecl>() {
public int compare(XSParticleDecl o1, XSParticleDecl o2) {
XSParticleDecl pDecl1 = o1;
XSParticleDecl pDecl2 = o2;
XSElementDecl decl1 = (XSElementDecl) pDecl1.fValue;
XSElementDecl decl2 = (XSElementDecl) pDecl2.fValue;
String namespace1 = decl1.getNamespace();
String namespace2 = decl2.getNamespace();
String name1 = decl1.getName();
String name2 = decl2.getName();
boolean sameNamespace = (namespace1 == namespace2);
int namespaceComparison = 0;
if (!sameNamespace) {
if (namespace1 != null) {
if (namespace2 != null){
namespaceComparison = namespace1.compareTo(namespace2);
}
else {
namespaceComparison = 1;
}
}
else {
namespaceComparison = -1;
}
}
//This assumes that the names are never null.
return namespaceComparison != 0 ? namespaceComparison : name1.compareTo(name2);
}
};
/**
* check whether derived is valid derived from base, given a subset
* of {restriction, extension}.B
*/
public static boolean checkTypeDerivationOk(XSTypeDefinition derived, XSTypeDefinition base, short block) {
// if derived is anyType, then it's valid only if base is anyType too
if (derived == SchemaGrammar.fAnyType)
return derived == base;
// if derived is anySimpleType, then it's valid only if the base
// is ur-type
if (derived == SchemaGrammar.fAnySimpleType) {
return (base == SchemaGrammar.fAnyType ||
base == SchemaGrammar.fAnySimpleType);
}
// if derived is simple type
if (derived.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE) {
// if base is complex type
if (base.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE) {
// if base is anyType, change base to anySimpleType,
// otherwise, not valid
if (base == SchemaGrammar.fAnyType)
base = SchemaGrammar.fAnySimpleType;
else
return false;
}
return checkSimpleDerivation((XSSimpleType)derived,
(XSSimpleType)base, block);
}
else {
return checkComplexDerivation((XSComplexTypeDecl)derived, base, block);
}
}
/**
* check whether simple type derived is valid derived from base,
* given a subset of {restriction, extension}.
*/
public static boolean checkSimpleDerivationOk(XSSimpleType derived, XSTypeDefinition base, short block) {
// if derived is anySimpleType, then it's valid only if the base
// is ur-type
if (derived == SchemaGrammar.fAnySimpleType) {
return (base == SchemaGrammar.fAnyType ||
base == SchemaGrammar.fAnySimpleType);
}
// if base is complex type
if (base.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE) {
// if base is anyType, change base to anySimpleType,
// otherwise, not valid
if (base == SchemaGrammar.fAnyType)
base = SchemaGrammar.fAnySimpleType;
else
return false;
}
return checkSimpleDerivation(derived, (XSSimpleType)base, block);
}
/**
* check whether complex type derived is valid derived from base,
* given a subset of {restriction, extension}.
*/
public static boolean checkComplexDerivationOk(XSComplexTypeDecl derived, XSTypeDefinition base, short block) {
// if derived is anyType, then it's valid only if base is anyType too
if (derived == SchemaGrammar.fAnyType)
return derived == base;
return checkComplexDerivation(derived, base, block);
}
/**
* Note: this will be a private method, and it assumes that derived is not
* anySimpleType, and base is not anyType. Another method will be
* introduced for public use, which will call this method.
*/
private static boolean checkSimpleDerivation(XSSimpleType derived, XSSimpleType base, short block) {
// 1 They are the same type definition.
if (derived == base)
return true;
// 2 All of the following must be true:
// 2.1 restriction is not in the subset, or in the {final} of its own {base type definition};
if ((block & XSConstants.DERIVATION_RESTRICTION) != 0 ||
(derived.getBaseType().getFinal() & XSConstants.DERIVATION_RESTRICTION) != 0) {
return false;
}
// 2.2 One of the following must be true:
// 2.2.1 D's base type definition is B.
XSSimpleType directBase = (XSSimpleType)derived.getBaseType();
if (directBase == base)
return true;
// 2.2.2 D's base type definition is not the simple ur-type definition and is validly derived from B given the subset, as defined by this constraint.
if (directBase != SchemaGrammar.fAnySimpleType &&
checkSimpleDerivation(directBase, base, block)) {
return true;
}
// 2.2.3 D's {variety} is list or union and B is the simple ur-type definition.
if ((derived.getVariety() == XSSimpleType.VARIETY_LIST ||
derived.getVariety() == XSSimpleType.VARIETY_UNION) &&
base == SchemaGrammar.fAnySimpleType) {
return true;
}
// 2.2.4 B's {variety} is union and D is validly derived from a type definition in B's {member type definitions} given the subset, as defined by this constraint.
if (base.getVariety() == XSSimpleType.VARIETY_UNION) {
XSObjectList subUnionMemberDV = base.getMemberTypes();
int subUnionSize = subUnionMemberDV.getLength();
for (int i=0; i<subUnionSize; i++) {
base = (XSSimpleType)subUnionMemberDV.item(i);
if (checkSimpleDerivation(derived, base, block))
return true;
}
}
return false;
}
/**
* Note: this will be a private method, and it assumes that derived is not
* anyType. Another method will be introduced for public use,
* which will call this method.
*/
private static boolean checkComplexDerivation(XSComplexTypeDecl derived, XSTypeDefinition base, short block) {
// 2.1 B and D must be the same type definition.
if (derived == base)
return true;
// 1 If B and D are not the same type definition, then the {derivation method} of D must not be in the subset.
if ((derived.fDerivedBy & block) != 0)
return false;
// 2 One of the following must be true:
XSTypeDefinition directBase = derived.fBaseType;
// 2.2 B must be D's {base type definition}.
if (directBase == base)
return true;
// 2.3 All of the following must be true:
// 2.3.1 D's {base type definition} must not be the ur-type definition.
if (directBase == SchemaGrammar.fAnyType ||
directBase == SchemaGrammar.fAnySimpleType) {
return false;
}
// 2.3.2 The appropriate case among the following must be true:
// 2.3.2.1 If D's {base type definition} is complex, then it must be validly derived from B given the subset as defined by this constraint.
if (directBase.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE)
return checkComplexDerivation((XSComplexTypeDecl)directBase, base, block);
// 2.3.2.2 If D's {base type definition} is simple, then it must be validly derived from B given the subset as defined in Type Derivation OK (Simple) (3.14.6).
if (directBase.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE) {
// if base is complex type
if (base.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE) {
// if base is anyType, change base to anySimpleType,
// otherwise, not valid
if (base == SchemaGrammar.fAnyType)
base = SchemaGrammar.fAnySimpleType;
else
return false;
}
return checkSimpleDerivation((XSSimpleType)directBase,
(XSSimpleType)base, block);
}
return false;
}
/**
* check whether a value is a valid default for some type
* returns the compiled form of the value
* The parameter value could be either a String or a ValidatedInfo object
*/
public static Object ElementDefaultValidImmediate(XSTypeDefinition type, String value, ValidationContext context, ValidatedInfo vinfo) {
XSSimpleType dv = null;
// e-props-correct
// For a string to be a valid default with respect to a type definition the appropriate case among the following must be true:
// 1 If the type definition is a simple type definition, then the string must be valid with respect to that definition as defined by String Valid (3.14.4).
if (type.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE) {
dv = (XSSimpleType)type;
}
// 2 If the type definition is a complex type definition, then all of the following must be true:
else {
// 2.1 its {content type} must be a simple type definition or mixed.
XSComplexTypeDecl ctype = (XSComplexTypeDecl)type;
// 2.2 The appropriate case among the following must be true:
// 2.2.1 If the {content type} is a simple type definition, then the string must be valid with respect to that simple type definition as defined by String Valid (3.14.4).
if (ctype.fContentType == XSComplexTypeDecl.CONTENTTYPE_SIMPLE) {
dv = ctype.fXSSimpleType;
}
// 2.2.2 If the {content type} is mixed, then the {content type}'s particle must be emptiable as defined by Particle Emptiable (3.9.6).
else if (ctype.fContentType == XSComplexTypeDecl.CONTENTTYPE_MIXED) {
if (!((XSParticleDecl)ctype.getParticle()).emptiable())
return null;
}
else {
return null;
}
}
// get the simple type declaration, and validate
Object actualValue = null;
if (dv == null) {
// complex type with mixed. to make sure that we store correct
// information in vinfo and return the correct value, we use
// "string" type for validation
dv = STRING_TYPE;
}
try {
// validate the original lexical rep, and set the actual value
actualValue = dv.validate(value, context, vinfo);
// validate the canonical lexical rep
if (vinfo != null)
actualValue = dv.validate(vinfo.stringValue(), context, vinfo);
} catch (InvalidDatatypeValueException ide) {
return null;
}
return actualValue;
}
static void reportSchemaError(XMLErrorReporter errorReporter,
SimpleLocator loc,
String key, Object[] args) {
if (loc != null) {
errorReporter.reportError(loc, XSMessageFormatter.SCHEMA_DOMAIN,
key, args, XMLErrorReporter.SEVERITY_ERROR);
}
else {
errorReporter.reportError(XSMessageFormatter.SCHEMA_DOMAIN,
key, args, XMLErrorReporter.SEVERITY_ERROR);
}
}
/**
* used to check the 3 constraints against each complex type
* (should be each model group):
* Unique Particle Attribution, Particle Derivation (Restriction),
* Element Declrations Consistent.
*/
public static void fullSchemaChecking(XSGrammarBucket grammarBucket,
SubstitutionGroupHandler SGHandler,
CMBuilder cmBuilder,
XMLErrorReporter errorReporter) {
// get all grammars, and put all substitution group information
// in the substitution group handler
SchemaGrammar[] grammars = grammarBucket.getGrammars();
for (int i = grammars.length-1; i >= 0; i--) {
SGHandler.addSubstitutionGroup(grammars[i].getSubstitutionGroups());
}
XSParticleDecl fakeDerived = new XSParticleDecl();
XSParticleDecl fakeBase = new XSParticleDecl();
fakeDerived.fType = XSParticleDecl.PARTICLE_MODELGROUP;
fakeBase.fType = XSParticleDecl.PARTICLE_MODELGROUP;
// before worrying about complexTypes, let's get
// groups redefined by restriction out of the way.
for (int g = grammars.length-1; g >= 0; g--) {
XSGroupDecl [] redefinedGroups = grammars[g].getRedefinedGroupDecls();
SimpleLocator [] rgLocators = grammars[g].getRGLocators();
for(int i=0; i<redefinedGroups.length; ) {
XSGroupDecl derivedGrp = redefinedGroups[i++];
XSModelGroupImpl derivedMG = derivedGrp.fModelGroup;
XSGroupDecl baseGrp = redefinedGroups[i++];
XSModelGroupImpl baseMG = baseGrp.fModelGroup;
fakeDerived.fValue = derivedMG;
fakeBase.fValue = baseMG;
if(baseMG == null) {
if(derivedMG != null) { // can't be a restriction!
reportSchemaError(errorReporter, rgLocators[i/2-1],
"src-redefine.6.2.2",
new Object[]{derivedGrp.fName, "rcase-Recurse.2"});
}
} else if (derivedMG == null) {
if (!fakeBase.emptiable()) {
reportSchemaError(errorReporter, rgLocators[i/2-1],
"src-redefine.6.2.2",
new Object[]{derivedGrp.fName, "rcase-Recurse.2"});
}
} else {
try {
particleValidRestriction(fakeDerived, SGHandler, fakeBase, SGHandler);
} catch (XMLSchemaException e) {
String key = e.getKey();
reportSchemaError(errorReporter, rgLocators[i/2-1],
key,
e.getArgs());
reportSchemaError(errorReporter, rgLocators[i/2-1],
"src-redefine.6.2.2",
new Object[]{derivedGrp.fName, key});
}
}
}
}
// for each complex type, check the 3 constraints.
// types need to be checked
XSComplexTypeDecl[] types;
SimpleLocator [] ctLocators;
// to hold the errors
// REVISIT: do we want to report all errors? or just one?
//XMLSchemaError1D errors = new XMLSchemaError1D();
// whether need to check this type again;
// whether only do UPA checking
boolean further, fullChecked;
// if do all checkings, how many need to be checked again.
int keepType;
// i: grammar; j: type; k: error
// for all grammars
SymbolHash elemTable = new SymbolHash();
for (int i = grammars.length-1, j; i >= 0; i--) {
// get whether to skip EDC, and types need to be checked
keepType = 0;
fullChecked = grammars[i].fFullChecked;
types = grammars[i].getUncheckedComplexTypeDecls();
ctLocators = grammars[i].getUncheckedCTLocators();
// for each type
for (j = 0; j < types.length; j++) {
// if we've already full-checked this grammar, then
// skip the EDC constraint
if (!fullChecked) {
// 1. Element Decl Consistent
if (types[j].fParticle!=null) {
elemTable.clear();
try {
checkElementDeclsConsistent(types[j], types[j].fParticle,
elemTable, SGHandler);
}
catch (XMLSchemaException e) {
reportSchemaError(errorReporter, ctLocators[j],
e.getKey(),
e.getArgs());
}
}
}
// 2. Particle Derivation
if (types[j].fBaseType != null &&
types[j].fBaseType != SchemaGrammar.fAnyType &&
types[j].fDerivedBy == XSConstants.DERIVATION_RESTRICTION &&
(types[j].fBaseType instanceof XSComplexTypeDecl)) {
XSParticleDecl derivedParticle=types[j].fParticle;
XSParticleDecl baseParticle=
((XSComplexTypeDecl)(types[j].fBaseType)).fParticle;
if (derivedParticle==null) {
if (baseParticle!=null && !baseParticle.emptiable()) {
reportSchemaError(errorReporter,ctLocators[j],
"derivation-ok-restriction.5.3.2",
new Object[]{types[j].fName, types[j].fBaseType.getName()});
}
}
else if (baseParticle!=null) {
try {
particleValidRestriction(types[j].fParticle,
SGHandler,
((XSComplexTypeDecl)(types[j].fBaseType)).fParticle,
SGHandler);
} catch (XMLSchemaException e) {
reportSchemaError(errorReporter, ctLocators[j],
e.getKey(),
e.getArgs());
reportSchemaError(errorReporter, ctLocators[j],
"derivation-ok-restriction.5.4.2",
new Object[]{types[j].fName});
}
}
else {
reportSchemaError(errorReporter, ctLocators[j],
"derivation-ok-restriction.5.4.2",
new Object[]{types[j].fName});
}
}
// 3. UPA
// get the content model and check UPA
XSCMValidator cm = types[j].getContentModel(cmBuilder, true);
further = false;
if (cm != null) {
try {
further = cm.checkUniqueParticleAttribution(SGHandler);
} catch (XMLSchemaException e) {
reportSchemaError(errorReporter, ctLocators[j],
e.getKey(),
e.getArgs());
}
}
// now report all errors
// REVISIT: do we want to report all errors? or just one?
/*for (k = errors.getErrorCodeNum()-1; k >= 0; k--) {
reportSchemaError(errorReporter, ctLocators[j],
errors.getErrorCode(k),
errors.getArgs(k));
}*/
// if we are doing all checkings, and this one needs further
// checking, store it in the type array.
if (!fullChecked && further)
types[keepType++] = types[j];
// clear errors for the next type.
// REVISIT: do we want to report all errors? or just one?
//errors.clear();
}
// we've done with the types in this grammar. if we are checking
// all constraints, need to trim type array to a proper size:
// only contain those need further checking.
// and mark this grammar that it only needs UPA checking.
if (!fullChecked) {
grammars[i].setUncheckedTypeNum(keepType);
grammars[i].fFullChecked = true;
}
}
}
/*
Check that a given particle is a valid restriction of a base particle.
*/
public static void checkElementDeclsConsistent(XSComplexTypeDecl type,
XSParticleDecl particle,
SymbolHash elemDeclHash,
SubstitutionGroupHandler sgHandler)
throws XMLSchemaException {
// check for elements in the tree with the same name and namespace
int pType = particle.fType;
if (pType == XSParticleDecl.PARTICLE_WILDCARD)
return;
if (pType == XSParticleDecl.PARTICLE_ELEMENT) {
XSElementDecl elem = (XSElementDecl)(particle.fValue);
findElemInTable(type, elem, elemDeclHash);
if (elem.fScope == XSConstants.SCOPE_GLOBAL) {
// Check for subsitution groups.
XSElementDecl[] subGroup = sgHandler.getSubstitutionGroup(elem);
for (int i = 0; i < subGroup.length; i++) {
findElemInTable(type, subGroup[i], elemDeclHash);
}
}
return;
}
XSModelGroupImpl group = (XSModelGroupImpl)particle.fValue;
for (int i = 0; i < group.fParticleCount; i++)
checkElementDeclsConsistent(type, group.fParticles[i], elemDeclHash, sgHandler);
}
public static void findElemInTable(XSComplexTypeDecl type, XSElementDecl elem,
SymbolHash elemDeclHash)
throws XMLSchemaException {
// How can we avoid this concat? LM.
String name = elem.fName + "," + elem.fTargetNamespace;
XSElementDecl existingElem = null;
if ((existingElem = (XSElementDecl)(elemDeclHash.get(name))) == null) {
// just add it in
elemDeclHash.put(name, elem);
}
else {
// If this is the same check element, we're O.K.
if (elem == existingElem)
return;
if (elem.fType != existingElem.fType) {
// Types are not the same
throw new XMLSchemaException("cos-element-consistent",
new Object[] {type.fName, elem.fName});
}
}
}
// Check that a given particle is a valid restriction of a base particle.
//
// IHR: 2006/11/17
// Returns a boolean indicating if there has been expansion of substitution group
// in the bParticle.
// With this information the checkRecurseLax function knows when is
// to keep the order and when to ignore it.
private static boolean particleValidRestriction(XSParticleDecl dParticle,
SubstitutionGroupHandler dSGHandler,
XSParticleDecl bParticle,
SubstitutionGroupHandler bSGHandler)
throws XMLSchemaException {
return particleValidRestriction(dParticle, dSGHandler, bParticle, bSGHandler, true);
}
private static boolean particleValidRestriction(XSParticleDecl dParticle,
SubstitutionGroupHandler dSGHandler,
XSParticleDecl bParticle,
SubstitutionGroupHandler bSGHandler,
boolean checkWCOccurrence)
throws XMLSchemaException {
List<XSParticleDecl> dChildren = null;
List<XSParticleDecl> bChildren = null;
int dMinEffectiveTotalRange=OCCURRENCE_UNKNOWN;
int dMaxEffectiveTotalRange=OCCURRENCE_UNKNOWN;
// By default there has been no expansion
boolean bExpansionHappened = false;
// Check for empty particles. If either base or derived particle is empty,
// (and the other isn't) it's an error.
if (dParticle.isEmpty() && !bParticle.emptiable()) {
throw new XMLSchemaException("cos-particle-restrict.a", null);
}
else if (!dParticle.isEmpty() && bParticle.isEmpty()) {
throw new XMLSchemaException("cos-particle-restrict.b", null);
}
//
// Do setup prior to invoking the Particle (Restriction) cases.
// This involves:
// - removing pointless occurrences for groups, and retrieving a vector of
// non-pointless children
// - turning top-level elements with substitution groups into CHOICE groups.
//
short dType = dParticle.fType;
//
// Handle pointless groups for the derived particle
//
if (dType == XSParticleDecl.PARTICLE_MODELGROUP) {
dType = ((XSModelGroupImpl)dParticle.fValue).fCompositor;
// Find a group, starting with this particle, with more than 1 child. There
// may be none, and the particle of interest trivially becomes an element or
// wildcard.
XSParticleDecl dtmp = getNonUnaryGroup(dParticle);
if (dtmp != dParticle) {
// Particle has been replaced. Retrieve new type info.
dParticle = dtmp;
dType = dParticle.fType;
if (dType == XSParticleDecl.PARTICLE_MODELGROUP)
dType = ((XSModelGroupImpl)dParticle.fValue).fCompositor;
}
// Fill in a vector with the children of the particle, removing any
// pointless model groups in the process.
dChildren = removePointlessChildren(dParticle);
}
int dMinOccurs = dParticle.fMinOccurs;
int dMaxOccurs = dParticle.fMaxOccurs;
//
// For elements which are the heads of substitution groups, treat as CHOICE
//
if (dSGHandler != null && dType == XSParticleDecl.PARTICLE_ELEMENT) {
XSElementDecl dElement = (XSElementDecl)dParticle.fValue;
if (dElement.fScope == XSConstants.SCOPE_GLOBAL) {
// Check for subsitution groups. Treat any element that has a
// subsitution group as a choice. Fill in the children vector with the
// members of the substitution group
XSElementDecl[] subGroup = dSGHandler.getSubstitutionGroup(dElement);
if (subGroup.length >0 ) {
// Now, set the type to be CHOICE. The "group" will have the same
// occurrence information as the original particle.
dType = XSModelGroupImpl.MODELGROUP_CHOICE;
dMinEffectiveTotalRange = dMinOccurs;
dMaxEffectiveTotalRange = dMaxOccurs;
// Fill in the vector of children
dChildren = new ArrayList<>(subGroup.length+1);
for (int i = 0; i < subGroup.length; i++) {
addElementToParticleVector(dChildren, subGroup[i]);
}
addElementToParticleVector(dChildren, dElement);
Collections.sort(dChildren, ELEMENT_PARTICLE_COMPARATOR);
// Set the handler to null, to indicate that we've finished handling
// substitution groups for this particle.
dSGHandler = null;
}
}
}
short bType = bParticle.fType;
//
// Handle pointless groups for the base particle
//
if (bType == XSParticleDecl.PARTICLE_MODELGROUP) {
bType = ((XSModelGroupImpl)bParticle.fValue).fCompositor;
// Find a group, starting with this particle, with more than 1 child. There
// may be none, and the particle of interest trivially becomes an element or
// wildcard.
XSParticleDecl btmp = getNonUnaryGroup(bParticle);
if (btmp != bParticle) {
// Particle has been replaced. Retrieve new type info.
bParticle = btmp;
bType = bParticle.fType;
if (bType == XSParticleDecl.PARTICLE_MODELGROUP)
bType = ((XSModelGroupImpl)bParticle.fValue).fCompositor;
}
// Fill in a vector with the children of the particle, removing any
// pointless model groups in the process.
bChildren = removePointlessChildren(bParticle);
}
int bMinOccurs = bParticle.fMinOccurs;
int bMaxOccurs = bParticle.fMaxOccurs;
if (bSGHandler != null && bType == XSParticleDecl.PARTICLE_ELEMENT) {
XSElementDecl bElement = (XSElementDecl)bParticle.fValue;
if (bElement.fScope == XSConstants.SCOPE_GLOBAL) {
// Check for subsitution groups. Treat any element that has a
// subsitution group as a choice. Fill in the children vector with the
// members of the substitution group
XSElementDecl[] bsubGroup = bSGHandler.getSubstitutionGroup(bElement);
if (bsubGroup.length >0 ) {
// Now, set the type to be CHOICE
bType = XSModelGroupImpl.MODELGROUP_CHOICE;
bChildren = new ArrayList<>(bsubGroup.length+1);
for (int i = 0; i < bsubGroup.length; i++) {
addElementToParticleVector(bChildren, bsubGroup[i]);
}
addElementToParticleVector(bChildren, bElement);
Collections.sort(bChildren, ELEMENT_PARTICLE_COMPARATOR);
// Set the handler to null, to indicate that we've finished handling
// substitution groups for this particle.
bSGHandler = null;
// if we are here expansion of bParticle happened
bExpansionHappened = true;
}
}
}
//
// O.K. - Figure out which particle derivation rule applies and call it
//
switch (dType) {
case XSParticleDecl.PARTICLE_ELEMENT:
{
switch (bType) {
// Elt:Elt NameAndTypeOK
case XSParticleDecl.PARTICLE_ELEMENT:
{
checkNameAndTypeOK((XSElementDecl)dParticle.fValue,dMinOccurs,dMaxOccurs,
(XSElementDecl)bParticle.fValue,bMinOccurs,bMaxOccurs);
return bExpansionHappened;
}
// Elt:Any NSCompat
case XSParticleDecl.PARTICLE_WILDCARD:
{
checkNSCompat((XSElementDecl)dParticle.fValue,dMinOccurs,dMaxOccurs,
(XSWildcardDecl)bParticle.fValue,bMinOccurs,bMaxOccurs,
checkWCOccurrence);
return bExpansionHappened;
}
// Elt:All RecurseAsIfGroup
case XSModelGroupImpl.MODELGROUP_CHOICE:
{
// Treat the element as if it were in a group of the same type
// as the base Particle
dChildren = new ArrayList<>();
dChildren.add(dParticle);
checkRecurseLax(dChildren, 1, 1, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_SEQUENCE:
case XSModelGroupImpl.MODELGROUP_ALL:
{
// Treat the element as if it were in a group of the same type
// as the base Particle
dChildren = new ArrayList<>();
dChildren.add(dParticle);
checkRecurse(dChildren, 1, 1, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
default:
{
throw new XMLSchemaException("Internal-Error",
new Object[]{"in particleValidRestriction"});
}
}
}
case XSParticleDecl.PARTICLE_WILDCARD:
{
switch (bType) {
// Any:Any NSSubset
case XSParticleDecl.PARTICLE_WILDCARD:
{
checkNSSubset((XSWildcardDecl)dParticle.fValue, dMinOccurs, dMaxOccurs,
(XSWildcardDecl)bParticle.fValue, bMinOccurs, bMaxOccurs);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_CHOICE:
case XSModelGroupImpl.MODELGROUP_SEQUENCE:
case XSModelGroupImpl.MODELGROUP_ALL:
case XSParticleDecl.PARTICLE_ELEMENT:
{
throw new XMLSchemaException("cos-particle-restrict.2",
new Object[]{"any:choice,sequence,all,elt"});
}
default:
{
throw new XMLSchemaException("Internal-Error",
new Object[]{"in particleValidRestriction"});
}
}
}
case XSModelGroupImpl.MODELGROUP_ALL:
{
switch (bType) {
// All:Any NSRecurseCheckCardinality
case XSParticleDecl.PARTICLE_WILDCARD:
{
if (dMinEffectiveTotalRange == OCCURRENCE_UNKNOWN)
dMinEffectiveTotalRange = dParticle.minEffectiveTotalRange();
if (dMaxEffectiveTotalRange == OCCURRENCE_UNKNOWN)
dMaxEffectiveTotalRange = dParticle.maxEffectiveTotalRange();
checkNSRecurseCheckCardinality(dChildren, dMinEffectiveTotalRange,
dMaxEffectiveTotalRange,
dSGHandler,
bParticle,bMinOccurs,bMaxOccurs,
checkWCOccurrence);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_ALL:
{
checkRecurse(dChildren, dMinOccurs, dMaxOccurs, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_CHOICE:
case XSModelGroupImpl.MODELGROUP_SEQUENCE:
case XSParticleDecl.PARTICLE_ELEMENT:
{
throw new XMLSchemaException("cos-particle-restrict.2",
new Object[]{"all:choice,sequence,elt"});
}
default:
{
throw new XMLSchemaException("Internal-Error",
new Object[]{"in particleValidRestriction"});
}
}
}
case XSModelGroupImpl.MODELGROUP_CHOICE:
{
switch (bType) {
// Choice:Any NSRecurseCheckCardinality
case XSParticleDecl.PARTICLE_WILDCARD:
{
if (dMinEffectiveTotalRange == OCCURRENCE_UNKNOWN)
dMinEffectiveTotalRange = dParticle.minEffectiveTotalRange();
if (dMaxEffectiveTotalRange == OCCURRENCE_UNKNOWN)
dMaxEffectiveTotalRange = dParticle.maxEffectiveTotalRange();
checkNSRecurseCheckCardinality(dChildren, dMinEffectiveTotalRange,
dMaxEffectiveTotalRange,
dSGHandler,
bParticle,bMinOccurs,bMaxOccurs,
checkWCOccurrence);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_CHOICE:
{
checkRecurseLax(dChildren, dMinOccurs, dMaxOccurs, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_ALL:
case XSModelGroupImpl.MODELGROUP_SEQUENCE:
case XSParticleDecl.PARTICLE_ELEMENT:
{
throw new XMLSchemaException("cos-particle-restrict.2",
new Object[]{"choice:all,sequence,elt"});
}
default:
{
throw new XMLSchemaException("Internal-Error",
new Object[]{"in particleValidRestriction"});
}
}
}
case XSModelGroupImpl.MODELGROUP_SEQUENCE:
{
switch (bType) {
// Choice:Any NSRecurseCheckCardinality
case XSParticleDecl.PARTICLE_WILDCARD:
{
if (dMinEffectiveTotalRange == OCCURRENCE_UNKNOWN)
dMinEffectiveTotalRange = dParticle.minEffectiveTotalRange();
if (dMaxEffectiveTotalRange == OCCURRENCE_UNKNOWN)
dMaxEffectiveTotalRange = dParticle.maxEffectiveTotalRange();
checkNSRecurseCheckCardinality(dChildren, dMinEffectiveTotalRange,
dMaxEffectiveTotalRange,
dSGHandler,
bParticle,bMinOccurs,bMaxOccurs,
checkWCOccurrence);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_ALL:
{
checkRecurseUnordered(dChildren, dMinOccurs, dMaxOccurs, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_SEQUENCE:
{
checkRecurse(dChildren, dMinOccurs, dMaxOccurs, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
case XSModelGroupImpl.MODELGROUP_CHOICE:
{
int min1 = dMinOccurs * dChildren.size();
int max1 = (dMaxOccurs == SchemaSymbols.OCCURRENCE_UNBOUNDED)?
dMaxOccurs : dMaxOccurs * dChildren.size();
checkMapAndSum(dChildren, min1, max1, dSGHandler,
bChildren, bMinOccurs, bMaxOccurs, bSGHandler);
return bExpansionHappened;
}
case XSParticleDecl.PARTICLE_ELEMENT:
{
throw new XMLSchemaException("cos-particle-restrict.2",
new Object[]{"seq:elt"});
}
default:
{
throw new XMLSchemaException("Internal-Error",
new Object[]{"in particleValidRestriction"});
}
}
}
}
return bExpansionHappened;
}
private static void addElementToParticleVector (List<XSParticleDecl> v, XSElementDecl d) {
XSParticleDecl p = new XSParticleDecl();
p.fValue = d;
p.fType = XSParticleDecl.PARTICLE_ELEMENT;
v.add(p);
}
private static XSParticleDecl getNonUnaryGroup(XSParticleDecl p) {
if (p.fType == XSParticleDecl.PARTICLE_ELEMENT ||
p.fType == XSParticleDecl.PARTICLE_WILDCARD)
return p;
if (p.fMinOccurs==1 && p.fMaxOccurs==1 &&
p.fValue!=null && ((XSModelGroupImpl)p.fValue).fParticleCount == 1)
return getNonUnaryGroup(((XSModelGroupImpl)p.fValue).fParticles[0]);
else
return p;
}
private static List<XSParticleDecl> removePointlessChildren(XSParticleDecl p) {
if (p.fType == XSParticleDecl.PARTICLE_ELEMENT ||
p.fType == XSParticleDecl.PARTICLE_WILDCARD)
return null;
List<XSParticleDecl> children = new ArrayList<>();
XSModelGroupImpl group = (XSModelGroupImpl)p.fValue;
for (int i = 0; i < group.fParticleCount; i++)
gatherChildren(group.fCompositor, group.fParticles[i], children);
return children;
}
private static void gatherChildren(int parentType, XSParticleDecl p, List<XSParticleDecl> children) {
int min = p.fMinOccurs;
int max = p.fMaxOccurs;
int type = p.fType;
if (type == XSParticleDecl.PARTICLE_MODELGROUP)
type = ((XSModelGroupImpl)p.fValue).fCompositor;
if (type == XSParticleDecl.PARTICLE_ELEMENT ||
type== XSParticleDecl.PARTICLE_WILDCARD) {
children.add(p);
return;
}
if (! (min==1 && max==1)) {
children.add(p);
}
else if (parentType == type) {
XSModelGroupImpl group = (XSModelGroupImpl)p.fValue;
for (int i = 0; i < group.fParticleCount; i++)
gatherChildren(type, group.fParticles[i], children);
}
else if (!p.isEmpty()) {
children.add(p);
}
}
private static void checkNameAndTypeOK(XSElementDecl dElement, int dMin, int dMax,
XSElementDecl bElement, int bMin, int bMax)
throws XMLSchemaException {
//
// Check that the names are the same
//
if (dElement.fName != bElement.fName ||
dElement.fTargetNamespace != bElement.fTargetNamespace) {
throw new XMLSchemaException(
"rcase-NameAndTypeOK.1",new Object[]{dElement.fName,
dElement.fTargetNamespace, bElement.fName, bElement.fTargetNamespace});
}
//
// Check nillable
//
if (!bElement.getNillable() && dElement.getNillable()) {
throw new XMLSchemaException("rcase-NameAndTypeOK.2",
new Object[]{dElement.fName});
}
//
// Check occurrence range
//
if (!checkOccurrenceRange(dMin, dMax, bMin, bMax)) {
throw new XMLSchemaException("rcase-NameAndTypeOK.3",
new Object[]{
dElement.fName,
Integer.toString(dMin),
dMax==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(dMax),
Integer.toString(bMin),
bMax==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(bMax)});
}
//
// Check for consistent fixed values
//
if (bElement.getConstraintType() == XSConstants.VC_FIXED) {
// derived one has to have a fixed value
if (dElement.getConstraintType() != XSConstants.VC_FIXED) {
throw new XMLSchemaException("rcase-NameAndTypeOK.4.a",
new Object[]{dElement.fName, bElement.fDefault.stringValue()});
}
// get simple type
boolean isSimple = false;
if (dElement.fType.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE ||
((XSComplexTypeDecl)dElement.fType).fContentType == XSComplexTypeDecl.CONTENTTYPE_SIMPLE) {
isSimple = true;
}
// if there is no simple type, then compare based on string
if (!isSimple && !bElement.fDefault.normalizedValue.equals(dElement.fDefault.normalizedValue) ||
isSimple && !bElement.fDefault.actualValue.equals(dElement.fDefault.actualValue)) {
throw new XMLSchemaException("rcase-NameAndTypeOK.4.b",
new Object[]{dElement.fName,
dElement.fDefault.stringValue(),
bElement.fDefault.stringValue()});
}
}
//
// Check identity constraints
//
checkIDConstraintRestriction(dElement, bElement);
//
// Check for disallowed substitutions
//
int blockSet1 = dElement.fBlock;
int blockSet2 = bElement.fBlock;
if (((blockSet1 & blockSet2)!=blockSet2) ||
(blockSet1==XSConstants.DERIVATION_NONE && blockSet2!=XSConstants.DERIVATION_NONE))
throw new XMLSchemaException("rcase-NameAndTypeOK.6",
new Object[]{dElement.fName});
//
// Check that the derived element's type is derived from the base's.
//
if (!checkTypeDerivationOk(dElement.fType, bElement.fType,
(short)(XSConstants.DERIVATION_EXTENSION|XSConstants.DERIVATION_LIST|XSConstants.DERIVATION_UNION))) {
throw new XMLSchemaException("rcase-NameAndTypeOK.7",
new Object[]{dElement.fName, dElement.fType.getName(), bElement.fType.getName()});
}
}
private static void checkIDConstraintRestriction(XSElementDecl derivedElemDecl,
XSElementDecl baseElemDecl)
throws XMLSchemaException {
// TODO
} // checkIDConstraintRestriction
private static boolean checkOccurrenceRange(int min1, int max1, int min2, int max2) {
if ((min1 >= min2) &&
((max2==SchemaSymbols.OCCURRENCE_UNBOUNDED) ||
(max1!=SchemaSymbols.OCCURRENCE_UNBOUNDED && max1<=max2)))
return true;
else
return false;
}
private static void checkNSCompat(XSElementDecl elem, int min1, int max1,
XSWildcardDecl wildcard, int min2, int max2,
boolean checkWCOccurrence)
throws XMLSchemaException {
// check Occurrence ranges
if (checkWCOccurrence && !checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-NSCompat.2",
new Object[]{
elem.fName,
Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
// check wildcard allows namespace of element
if (!wildcard.allowNamespace(elem.fTargetNamespace)) {
throw new XMLSchemaException("rcase-NSCompat.1",
new Object[]{elem.fName,elem.fTargetNamespace});
}
}
private static void checkNSSubset(XSWildcardDecl dWildcard, int min1, int max1,
XSWildcardDecl bWildcard, int min2, int max2)
throws XMLSchemaException {
// check Occurrence ranges
if (!checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-NSSubset.2", new Object[]{
Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
// check wildcard subset
if (!dWildcard.isSubsetOf(bWildcard)) {
throw new XMLSchemaException("rcase-NSSubset.1", null);
}
if (dWildcard.weakerProcessContents(bWildcard)) {
throw new XMLSchemaException("rcase-NSSubset.3",
new Object[]{dWildcard.getProcessContentsAsString(),
bWildcard.getProcessContentsAsString()});
}
}
private static void checkNSRecurseCheckCardinality(List<XSParticleDecl> children, int min1, int max1,
SubstitutionGroupHandler dSGHandler,
XSParticleDecl wildcard, int min2, int max2,
boolean checkWCOccurrence)
throws XMLSchemaException {
// check Occurrence ranges
if (checkWCOccurrence && !checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-NSRecurseCheckCardinality.2", new Object[]{
Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
// Check that each member of the group is a valid restriction of the wildcard
int count = children.size();
try {
for (int i = 0; i < count; i++) {
XSParticleDecl particle1 = children.get(i);
particleValidRestriction(particle1, dSGHandler, wildcard, null, false);
}
}
// REVISIT: should we really just ignore original cause of this error?
// how can we report it?
catch (XMLSchemaException e) {
throw new XMLSchemaException("rcase-NSRecurseCheckCardinality.1", null);
}
}
private static void checkRecurse(List<XSParticleDecl> dChildren, int min1, int max1,
SubstitutionGroupHandler dSGHandler,
List<XSParticleDecl> bChildren, int min2, int max2,
SubstitutionGroupHandler bSGHandler)
throws XMLSchemaException {
// check Occurrence ranges
if (!checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-Recurse.1", new Object[]{
Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
int count1= dChildren.size();
int count2= bChildren.size();
int current = 0;
label: for (int i = 0; i<count1; i++) {
XSParticleDecl particle1 = dChildren.get(i);
for (int j = current; j<count2; j++) {
XSParticleDecl particle2 = bChildren.get(j);
current +=1;
try {
particleValidRestriction(particle1, dSGHandler, particle2, bSGHandler);
continue label;
}
catch (XMLSchemaException e) {
if (!particle2.emptiable())
throw new XMLSchemaException("rcase-Recurse.2", null);
}
}
throw new XMLSchemaException("rcase-Recurse.2", null);
}
// Now, see if there are some elements in the base we didn't match up
for (int j=current; j < count2; j++) {
XSParticleDecl particle2 = bChildren.get(j);
if (!particle2.emptiable()) {
throw new XMLSchemaException("rcase-Recurse.2", null);
}
}
}
private static void checkRecurseUnordered(List<XSParticleDecl> dChildren, int min1, int max1,
SubstitutionGroupHandler dSGHandler,
List<XSParticleDecl> bChildren, int min2, int max2,
SubstitutionGroupHandler bSGHandler)
throws XMLSchemaException {
// check Occurrence ranges
if (!checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-RecurseUnordered.1", new Object[]{
Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
int count1= dChildren.size();
int count2 = bChildren.size();
boolean foundIt[] = new boolean[count2];
label: for (int i = 0; i<count1; i++) {
XSParticleDecl particle1 = dChildren.get(i);
for (int j = 0; j<count2; j++) {
XSParticleDecl particle2 = bChildren.get(j);
try {
particleValidRestriction(particle1, dSGHandler, particle2, bSGHandler);
if (foundIt[j])
throw new XMLSchemaException("rcase-RecurseUnordered.2", null);
else
foundIt[j]=true;
continue label;
}
catch (XMLSchemaException e) {
}
}
// didn't find a match. Detect an error
throw new XMLSchemaException("rcase-RecurseUnordered.2", null);
}
// Now, see if there are some elements in the base we didn't match up
for (int j=0; j < count2; j++) {
XSParticleDecl particle2 = bChildren.get(j);
if (!foundIt[j] && !particle2.emptiable()) {
throw new XMLSchemaException("rcase-RecurseUnordered.2", null);
}
}
}
private static void checkRecurseLax(List<XSParticleDecl> dChildren, int min1, int max1,
SubstitutionGroupHandler dSGHandler,
List<XSParticleDecl> bChildren, int min2, int max2,
SubstitutionGroupHandler bSGHandler)
throws XMLSchemaException {
// check Occurrence ranges
if (!checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-RecurseLax.1", new Object[]{
Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
int count1= dChildren.size();
int count2 = bChildren.size();
int current = 0;
label: for (int i = 0; i<count1; i++) {
XSParticleDecl particle1 = dChildren.get(i);
for (int j = current; j<count2; j++) {
XSParticleDecl particle2 = bChildren.get(j);
current +=1;
try {
// IHR: go back one element on b list because the next element may match
// this as well.
if (particleValidRestriction(particle1, dSGHandler, particle2, bSGHandler))
current--;
continue label;
}
catch (XMLSchemaException e) {
}
}
// didn't find a match. Detect an error
throw new XMLSchemaException("rcase-RecurseLax.2", null);
}
}
private static void checkMapAndSum(List<XSParticleDecl> dChildren, int min1, int max1,
SubstitutionGroupHandler dSGHandler,
List<XSParticleDecl> bChildren, int min2, int max2,
SubstitutionGroupHandler bSGHandler)
throws XMLSchemaException {
// See if the sequence group is a valid restriction of the choice
// Here is an example of a valid restriction:
// <choice minOccurs="2">
// <a/>
// <b/>
// <c/>
// </choice>
//
// <sequence>
// <b/>
// <a/>
// </sequence>
// check Occurrence ranges
if (!checkOccurrenceRange(min1,max1,min2,max2)) {
throw new XMLSchemaException("rcase-MapAndSum.2",
new Object[]{Integer.toString(min1),
max1==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max1),
Integer.toString(min2),
max2==SchemaSymbols.OCCURRENCE_UNBOUNDED?"unbounded":Integer.toString(max2)});
}
int count1 = dChildren.size();
int count2 = bChildren.size();
label: for (int i = 0; i<count1; i++) {
XSParticleDecl particle1 = dChildren.get(i);
for (int j = 0; j<count2; j++) {
XSParticleDecl particle2 = bChildren.get(j);
try {
particleValidRestriction(particle1, dSGHandler, particle2, bSGHandler);
continue label;
}
catch (XMLSchemaException e) {
}
}
// didn't find a match. Detect an error
throw new XMLSchemaException("rcase-MapAndSum.1", null);
}
}
// to check whether two element overlap, as defined in constraint UPA
public static boolean overlapUPA(XSElementDecl element1,
XSElementDecl element2,
SubstitutionGroupHandler sgHandler) {
// if the two element have the same name and namespace,
if (element1.fName == element2.fName &&
element1.fTargetNamespace == element2.fTargetNamespace) {
return true;
}
// or if there is an element decl in element1's substitution group,
// who has the same name/namespace with element2
XSElementDecl[] subGroup = sgHandler.getSubstitutionGroup(element1);
for (int i = subGroup.length-1; i >= 0; i--) {
if (subGroup[i].fName == element2.fName &&
subGroup[i].fTargetNamespace == element2.fTargetNamespace) {
return true;
}
}
// or if there is an element decl in element2's substitution group,
// who has the same name/namespace with element1
subGroup = sgHandler.getSubstitutionGroup(element2);
for (int i = subGroup.length-1; i >= 0; i--) {
if (subGroup[i].fName == element1.fName &&
subGroup[i].fTargetNamespace == element1.fTargetNamespace) {
return true;
}
}
return false;
}
// to check whether an element overlaps with a wildcard,
// as defined in constraint UPA
public static boolean overlapUPA(XSElementDecl element,
XSWildcardDecl wildcard,
SubstitutionGroupHandler sgHandler) {
// if the wildcard allows the element
if (wildcard.allowNamespace(element.fTargetNamespace))
return true;
// or if the wildcard allows any element in the substitution group
XSElementDecl[] subGroup = sgHandler.getSubstitutionGroup(element);
for (int i = subGroup.length-1; i >= 0; i--) {
if (wildcard.allowNamespace(subGroup[i].fTargetNamespace))
return true;
}
return false;
}
public static boolean overlapUPA(XSWildcardDecl wildcard1,
XSWildcardDecl wildcard2) {
// if the intersection of the two wildcard is not empty list
XSWildcardDecl intersect = wildcard1.performIntersectionWith(wildcard2, wildcard1.fProcessContents);
if (intersect == null ||
intersect.fType != XSWildcardDecl.NSCONSTRAINT_LIST ||
intersect.fNamespaceList.length != 0) {
return true;
}
return false;
}
// call one of the above methods according to the type of decls
public static boolean overlapUPA(Object decl1, Object decl2,
SubstitutionGroupHandler sgHandler) {
if (decl1 instanceof XSElementDecl) {
if (decl2 instanceof XSElementDecl) {
return overlapUPA((XSElementDecl)decl1,
(XSElementDecl)decl2,
sgHandler);
}
else {
return overlapUPA((XSElementDecl)decl1,
(XSWildcardDecl)decl2,
sgHandler);
}
}
else {
if (decl2 instanceof XSElementDecl) {
return overlapUPA((XSElementDecl)decl2,
(XSWildcardDecl)decl1,
sgHandler);
}
else {
return overlapUPA((XSWildcardDecl)decl1,
(XSWildcardDecl)decl2);
}
}
}
} // class XSContraints
⏎ com/sun/org/apache/xerces/internal/impl/xs/XSConstraints.java
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⇒ JDK 11 java.xml.crypto.jmod - XML Crypto Module
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