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package com.sun.org.apache.xerces.internal.impl.xs.traversers;
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.XSSimpleType;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaGrammar;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols;
import com.sun.org.apache.xerces.internal.impl.xs.XSAnnotationImpl;
import com.sun.org.apache.xerces.internal.impl.xs.XSAttributeDecl;
import com.sun.org.apache.xerces.internal.impl.xs.XSAttributeUseImpl;
import com.sun.org.apache.xerces.internal.impl.xs.XSComplexTypeDecl;
import com.sun.org.apache.xerces.internal.impl.xs.util.XInt;
import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl;
import com.sun.org.apache.xerces.internal.util.DOMUtil;
import com.sun.org.apache.xerces.internal.util.XMLSymbols;
import com.sun.org.apache.xerces.internal.xni.QName;
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 org.w3c.dom.Element;
/**
* The attribute declaration schema component traverser.
*
*
* Content: (annotation?, (simpleType?))
*
*
* @xerces.internal
*
* @author Sandy Gao, IBM
* @author Neeraj Bajaj, Sun Microsystems, inc.
* @version $Id: XSDAttributeTraverser.java,v 1.7 2010-11-01 04:40:02 joehw Exp $
*/
class XSDAttributeTraverser extends XSDAbstractTraverser {
public XSDAttributeTraverser (XSDHandler handler,
XSAttributeChecker gAttrCheck) {
super(handler, gAttrCheck);
}
protected XSAttributeUseImpl traverseLocal(Element attrDecl,
XSDocumentInfo schemaDoc,
SchemaGrammar grammar,
XSComplexTypeDecl enclosingCT) {
// General Attribute Checking
Object[] attrValues = fAttrChecker.checkAttributes(attrDecl, false, schemaDoc);
String defaultAtt = (String) attrValues[XSAttributeChecker.ATTIDX_DEFAULT];
String fixedAtt = (String) attrValues[XSAttributeChecker.ATTIDX_FIXED];
String nameAtt = (String) attrValues[XSAttributeChecker.ATTIDX_NAME];
QName refAtt = (QName) attrValues[XSAttributeChecker.ATTIDX_REF];
XInt useAtt = (XInt) attrValues[XSAttributeChecker.ATTIDX_USE];
// get 'attribute declaration'
XSAttributeDecl attribute = null;
XSAnnotationImpl annotation = null;
if (attrDecl.getAttributeNode(SchemaSymbols.ATT_REF) != null) {
if (refAtt != null) {
attribute = (XSAttributeDecl)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.ATTRIBUTE_TYPE, refAtt, attrDecl);
Element child = DOMUtil.getFirstChildElement(attrDecl);
if (child != null && DOMUtil.getLocalName(child).equals(SchemaSymbols.ELT_ANNOTATION)) {
annotation = traverseAnnotationDecl(child, attrValues, false, schemaDoc);
child = DOMUtil.getNextSiblingElement(child);
}
else {
String text = DOMUtil.getSyntheticAnnotation(attrDecl);
if (text != null) {
annotation = traverseSyntheticAnnotation(attrDecl, text, attrValues, false, schemaDoc);
}
}
if (child != null) {
reportSchemaError("src-attribute.3.2", new Object[]{refAtt.rawname}, child);
}
// for error reporting
nameAtt = refAtt.localpart;
} else {
attribute = null;
}
} else {
attribute = traverseNamedAttr(attrDecl, attrValues, schemaDoc, grammar, false, enclosingCT);
}
// get 'value constraint'
short consType = XSConstants.VC_NONE;
if (defaultAtt != null) {
consType = XSConstants.VC_DEFAULT;
} else if (fixedAtt != null) {
consType = XSConstants.VC_FIXED;
defaultAtt = fixedAtt;
fixedAtt = null;
}
XSAttributeUseImpl attrUse = null;
if (attribute != null) {
if (fSchemaHandler.fDeclPool !=null) {
attrUse = fSchemaHandler.fDeclPool.getAttributeUse();
} else {
attrUse = new XSAttributeUseImpl();
}
attrUse.fAttrDecl = attribute;
attrUse.fUse = useAtt.shortValue();
attrUse.fConstraintType = consType;
if (defaultAtt != null) {
attrUse.fDefault = new ValidatedInfo();
attrUse.fDefault.normalizedValue = defaultAtt;
}
// Get the annotation associated witht the local attr decl
if (attrDecl.getAttributeNode(SchemaSymbols.ATT_REF) == null) {
attrUse.fAnnotations = attribute.getAnnotations();
} else {
XSObjectList annotations;
if (annotation != null) {
annotations = new XSObjectListImpl();
((XSObjectListImpl) annotations).addXSObject(annotation);
} else {
annotations = XSObjectListImpl.EMPTY_LIST;
}
attrUse.fAnnotations = annotations;
}
}
//src-attribute
// 1 default and fixed must not both be present.
if (defaultAtt != null && fixedAtt != null) {
reportSchemaError("src-attribute.1", new Object[]{nameAtt}, attrDecl);
}
// 2 If default and use are both present, use must have the actual value optional.
if (consType == XSConstants.VC_DEFAULT &&
useAtt != null && useAtt.intValue() != SchemaSymbols.USE_OPTIONAL) {
reportSchemaError("src-attribute.2", new Object[]{nameAtt}, attrDecl);
// Recover by honouring the default value
attrUse.fUse = SchemaSymbols.USE_OPTIONAL;
}
// a-props-correct
if (defaultAtt != null && attrUse != null) {
// 2 if there is a {value constraint}, the canonical lexical representation of its value must be valid with respect to the {type definition} as defined in String Valid (3.14.4).
fValidationState.setNamespaceSupport(schemaDoc.fNamespaceSupport);
try {
checkDefaultValid(attrUse);
}
catch (InvalidDatatypeValueException ide) {
reportSchemaError (ide.getKey(), ide.getArgs(), attrDecl);
reportSchemaError ("a-props-correct.2", new Object[]{nameAtt, defaultAtt}, attrDecl);
// Recover by removing the default value
attrUse.fDefault = null;
attrUse.fConstraintType = XSConstants.VC_NONE;
}
// 3 If the {type definition} is or is derived from ID then there must not be a {value constraint}.
if (((XSSimpleType)attribute.getTypeDefinition()).isIDType() ) {
reportSchemaError ("a-props-correct.3", new Object[]{nameAtt}, attrDecl);
// Recover by removing the default value
attrUse.fDefault = null;
attrUse.fConstraintType = XSConstants.VC_NONE;
}
// check 3.5.6 constraint
// Attribute Use Correct
// 2 If the {attribute declaration} has a fixed {value constraint}, then if the attribute use itself has a {value constraint}, it must also be fixed and its value must match that of the {attribute declaration}'s {value constraint}.
if (attrUse.fAttrDecl.getConstraintType() == XSConstants.VC_FIXED &&
attrUse.fConstraintType != XSConstants.VC_NONE) {
if (attrUse.fConstraintType != XSConstants.VC_FIXED ||
!attrUse.fAttrDecl.getValInfo().actualValue.equals(attrUse.fDefault.actualValue)) {
reportSchemaError ("au-props-correct.2", new Object[]{nameAtt, attrUse.fAttrDecl.getValInfo().stringValue()}, attrDecl);
// Recover by using the decl's {value constraint}
attrUse.fDefault = attrUse.fAttrDecl.getValInfo();
attrUse.fConstraintType = XSConstants.VC_FIXED;
}
}
}
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return attrUse;
}
protected XSAttributeDecl traverseGlobal(Element attrDecl,
XSDocumentInfo schemaDoc,
SchemaGrammar grammar) {
// General Attribute Checking
Object[] attrValues = fAttrChecker.checkAttributes(attrDecl, true, schemaDoc);
XSAttributeDecl attribute = traverseNamedAttr(attrDecl, attrValues, schemaDoc, grammar, true, null);
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return attribute;
}
/**
* Traverse a globally declared attribute.
*
* @param attrDecl
* @param attrValues
* @param schemaDoc
* @param grammar
* @param isGlobal
* @return the attribute declaration index
*/
XSAttributeDecl traverseNamedAttr(Element attrDecl,
Object[] attrValues,
XSDocumentInfo schemaDoc,
SchemaGrammar grammar,
boolean isGlobal,
XSComplexTypeDecl enclosingCT) {
String defaultAtt = (String) attrValues[XSAttributeChecker.ATTIDX_DEFAULT];
String fixedAtt = (String) attrValues[XSAttributeChecker.ATTIDX_FIXED];
XInt formAtt = (XInt) attrValues[XSAttributeChecker.ATTIDX_FORM];
String nameAtt = (String) attrValues[XSAttributeChecker.ATTIDX_NAME];
QName typeAtt = (QName) attrValues[XSAttributeChecker.ATTIDX_TYPE];
// Step 1: get declaration information
XSAttributeDecl attribute = null;
if (fSchemaHandler.fDeclPool !=null) {
attribute = fSchemaHandler.fDeclPool.getAttributeDecl();
} else {
attribute = new XSAttributeDecl();
}
// get 'name'
if (nameAtt != null)
nameAtt = fSymbolTable.addSymbol(nameAtt);
// get 'target namespace'
String tnsAtt = null;
XSComplexTypeDecl enclCT = null;
short scope = XSAttributeDecl.SCOPE_ABSENT;
if (isGlobal) {
tnsAtt = schemaDoc.fTargetNamespace;
scope = XSAttributeDecl.SCOPE_GLOBAL;
}
else {
if (enclosingCT != null) {
enclCT = enclosingCT;
scope = XSAttributeDecl.SCOPE_LOCAL;
}
if (formAtt != null) {
if (formAtt.intValue() == SchemaSymbols.FORM_QUALIFIED)
tnsAtt = schemaDoc.fTargetNamespace;
} else if (schemaDoc.fAreLocalAttributesQualified) {
tnsAtt = schemaDoc.fTargetNamespace;
}
}
// get 'value constraint'
// for local named attribute, value constraint is absent
ValidatedInfo attDefault = null;
short constraintType = XSConstants.VC_NONE;
if (isGlobal) {
if (fixedAtt != null) {
attDefault = new ValidatedInfo();
attDefault.normalizedValue = fixedAtt;
constraintType = XSConstants.VC_FIXED;
} else if (defaultAtt != null) {
attDefault = new ValidatedInfo();
attDefault.normalizedValue = defaultAtt;
constraintType = XSConstants.VC_DEFAULT;
}
}
// get 'annotation'
Element child = DOMUtil.getFirstChildElement(attrDecl);
XSAnnotationImpl annotation = null;
if (child != null && DOMUtil.getLocalName(child).equals(SchemaSymbols.ELT_ANNOTATION)) {
annotation = traverseAnnotationDecl(child, attrValues, false, schemaDoc);
child = DOMUtil.getNextSiblingElement(child);
}
else {
String text = DOMUtil.getSyntheticAnnotation(attrDecl);
if (text != null) {
annotation = traverseSyntheticAnnotation(attrDecl, text, attrValues, false, schemaDoc);
}
}
// get 'type definition'
XSSimpleType attrType = null;
boolean haveAnonType = false;
// Handle Anonymous type if there is one
if (child != null) {
String childName = DOMUtil.getLocalName(child);
if (childName.equals(SchemaSymbols.ELT_SIMPLETYPE)) {
attrType = fSchemaHandler.fSimpleTypeTraverser.traverseLocal(child, schemaDoc, grammar);
haveAnonType = true;
child = DOMUtil.getNextSiblingElement(child);
}
}
// Handle type attribute
if (attrType == null && typeAtt != null) {
XSTypeDefinition type = (XSTypeDefinition)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.TYPEDECL_TYPE, typeAtt, attrDecl);
if (type != null && type.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE) {
attrType = (XSSimpleType)type;
}
else {
reportSchemaError("src-resolve", new Object[]{typeAtt.rawname, "simpleType definition"}, attrDecl);
if (type == null) {
attribute.fUnresolvedTypeName = typeAtt;
}
}
}
if (attrType == null) {
attrType = SchemaGrammar.fAnySimpleType;
}
XSObjectList annotations;
if (annotation != null) {
annotations = new XSObjectListImpl();
((XSObjectListImpl)annotations).addXSObject(annotation);
} else {
annotations = XSObjectListImpl.EMPTY_LIST;
}
attribute.setValues(nameAtt, tnsAtt, attrType, constraintType, scope,
attDefault, enclCT, annotations);
// Step 3: check against schema for schemas
// required attributes
if (nameAtt == null) {
if (isGlobal)
reportSchemaError("s4s-att-must-appear", new Object[]{SchemaSymbols.ELT_ATTRIBUTE, SchemaSymbols.ATT_NAME}, attrDecl);
else
reportSchemaError("src-attribute.3.1", null, attrDecl);
nameAtt = NO_NAME;
}
// element
if (child != null) {
reportSchemaError("s4s-elt-must-match.1", new Object[]{nameAtt, "(annotation?, (simpleType?))", DOMUtil.getLocalName(child)}, child);
}
// Step 4: check 3.2.3 constraints
// src-attribute
// 1 default and fixed must not both be present.
if (defaultAtt != null && fixedAtt != null) {
reportSchemaError("src-attribute.1", new Object[]{nameAtt}, attrDecl);
}
// 2 If default and use are both present, use must have the actual value optional.
// This is checked in "traverse" method
// 3 If the item's parent is not , then all of the following must be true:
// 3.1 One of ref or name must be present, but not both.
// This is checked in XSAttributeChecker
// 3.2 If ref is present, then all of , form and type must be absent.
// Attributes are checked in XSAttributeChecker, elements are checked in "traverse" method
// 4 type and must not both be present.
if (haveAnonType && (typeAtt != null)) {
reportSchemaError( "src-attribute.4", new Object[]{nameAtt}, attrDecl);
}
// Step 5: check 3.2.6 constraints
// check for NOTATION type
checkNotationType(nameAtt, attrType, attrDecl);
// a-props-correct
// 2 if there is a {value constraint}, the canonical lexical representation of its value must be valid with respect to the {type definition} as defined in String Valid (3.14.4).
if (attDefault != null) {
fValidationState.setNamespaceSupport(schemaDoc.fNamespaceSupport);
try {
checkDefaultValid(attribute);
}
catch (InvalidDatatypeValueException ide) {
reportSchemaError (ide.getKey(), ide.getArgs(), attrDecl);
reportSchemaError ("a-props-correct.2", new Object[]{nameAtt, attDefault.normalizedValue}, attrDecl);
// Recover by removing the default value
attDefault = null;
constraintType = XSConstants.VC_NONE;
attribute.setValues(nameAtt, tnsAtt, attrType, constraintType, scope,
attDefault, enclCT, annotations);
}
}
// 3 If the {type definition} is or is derived from ID then there must not be a {value constraint}.
if (attDefault != null) {
if (attrType.isIDType() ) {
reportSchemaError ("a-props-correct.3", new Object[]{nameAtt}, attrDecl);
// Recover by removing the default value
attDefault = null;
constraintType = XSConstants.VC_NONE;
attribute.setValues(nameAtt, tnsAtt, attrType, constraintType, scope,
attDefault, enclCT, annotations);
}
}
// no-xmlns
// The {name} of an attribute declaration must not match xmlns.
if (nameAtt != null && nameAtt.equals(XMLSymbols.PREFIX_XMLNS)) {
reportSchemaError("no-xmlns", null, attrDecl);
return null;
}
// no-xsi
// The {target namespace} of an attribute declaration, whether local or top-level, must not match http://www.w3.org/2001/XMLSchema-instance (unless it is one of the four built-in declarations given in the next section).
if (tnsAtt != null && tnsAtt.equals(SchemaSymbols.URI_XSI)) {
reportSchemaError("no-xsi", new Object[]{SchemaSymbols.URI_XSI}, attrDecl);
return null;
}
// Attribute without a name. Return null.
if (nameAtt.equals(NO_NAME))
return null;
// Step 2: register attribute decl to the grammar
if (isGlobal) {
if (grammar.getGlobalAttributeDecl(nameAtt) == null) {
grammar.addGlobalAttributeDecl(attribute);
}
// also add it to extended map
final String loc = fSchemaHandler.schemaDocument2SystemId(schemaDoc);
final XSAttributeDecl attribute2 = grammar.getGlobalAttributeDecl(nameAtt, loc);
if (attribute2 == null) {
grammar.addGlobalAttributeDecl(attribute, loc);
}
if (fSchemaHandler.fTolerateDuplicates) {
if (attribute2 != null) {
attribute = attribute2;
}
fSchemaHandler.addGlobalAttributeDecl(attribute);
}
}
return attribute;
}
// throws an error if the constraint value is invalid for the given type
void checkDefaultValid(XSAttributeDecl attribute) throws InvalidDatatypeValueException {
// validate the original lexical rep, and set the actual value
((XSSimpleType)attribute.getTypeDefinition()).validate(attribute.getValInfo().normalizedValue, fValidationState, attribute.getValInfo());
// validate the canonical lexical rep
((XSSimpleType)attribute.getTypeDefinition()).validate(attribute.getValInfo().stringValue(), fValidationState, attribute.getValInfo());
}
// throws an error if the constraint value is invalid for the given type
void checkDefaultValid(XSAttributeUseImpl attrUse) throws InvalidDatatypeValueException {
// validate the original lexical rep, and set the actual value
((XSSimpleType)attrUse.fAttrDecl.getTypeDefinition()).validate(attrUse.fDefault.normalizedValue, fValidationState, attrUse.fDefault);
// validate the canonical lexical rep
((XSSimpleType)attrUse.fAttrDecl.getTypeDefinition()).validate(attrUse.fDefault.stringValue(), fValidationState, attrUse.fDefault);
}
}