// General Attribute Checking will have been done on icElem by caller
// check for <annotation> and get selector
Element sElem = DOMUtil.getFirstChildElement(icElem);
if(sElem == null) {
reportSchemaError("s4s-elt-must-match.2",
new Object[]{"identity constraint", "(annotation?, selector, field+)"},
icElem);
return;
}
// General Attribute Checking on sElem
// first child could be an annotation
if (DOMUtil.getLocalName(sElem).equals(SchemaSymbols.ELT_ANNOTATION)) {
ic.addAnnotation(traverseAnnotationDecl(sElem, icElemAttrs, false, schemaDoc));
sElem = DOMUtil.getNextSiblingElement(sElem);
// if no more children report an error
if(sElem == null) {
reportSchemaError("s4s-elt-must-match.2", new Object[]{"identity constraint", "(annotation?, selector, field+)"}, icElem);
return;
}
}
else {
String text = DOMUtil.getSyntheticAnnotation(icElem);
if (text != null) {
ic.addAnnotation(traverseSyntheticAnnotation(icElem, text, icElemAttrs, false, schemaDoc));
}
}
Object [] attrValues = fAttrChecker.checkAttributes(sElem, false, schemaDoc);
// if more than one annotation report an error
if(!DOMUtil.getLocalName(sElem).equals(SchemaSymbols.ELT_SELECTOR)) {
reportSchemaError("s4s-elt-must-match.1", new Object[]{"identity constraint", "(annotation?, selector, field+)", SchemaSymbols.ELT_SELECTOR}, sElem);
}
// and make sure <selector>'s content is fine:
Element selChild = DOMUtil.getFirstChildElement(sElem);
if (selChild !=null) {
// traverse annotation if any
if (DOMUtil.getLocalName(selChild).equals(SchemaSymbols.ELT_ANNOTATION)) {
ic.addAnnotation(traverseAnnotationDecl(selChild, attrValues, false, schemaDoc));
selChild = DOMUtil.getNextSiblingElement(selChild);
}
else {
reportSchemaError("s4s-elt-must-match.1", new Object[]{SchemaSymbols.ELT_SELECTOR, "(annotation?)", DOMUtil.getLocalName(selChild)}, selChild);
}
if (selChild != null) {
reportSchemaError("s4s-elt-must-match.1", new Object [] {SchemaSymbols.ELT_SELECTOR, "(annotation?)", DOMUtil.getLocalName(selChild)}, selChild);
}
}
else {
String text = DOMUtil.getSyntheticAnnotation(sElem);
if (text != null) {
ic.addAnnotation(traverseSyntheticAnnotation(icElem, text, attrValues, false, schemaDoc));
}
}
String sText = ((String)attrValues[XSAttributeChecker.ATTIDX_XPATH]);
if(sText == null) {
reportSchemaError("s4s-att-must-appear", new Object [] {SchemaSymbols.ELT_SELECTOR, SchemaSymbols.ATT_XPATH}, sElem);
return;
}
sText = XMLChar.trim(sText);
Selector.XPath sXpath = null;
try {
sXpath = new Selector.XPath(sText, fSymbolTable,
schemaDoc.fNamespaceSupport);
Selector selector = new Selector(sXpath, ic);
ic.setSelector(selector);
}
catch (XPathException e) {
reportSchemaError(e.getKey(), new Object[]{sText}, sElem);
// put back attr values...
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return;
}
// put back attr values...
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
// get fields
Element fElem = DOMUtil.getNextSiblingElement(sElem);
if(fElem == null) {
reportSchemaError("s4s-elt-must-match.2", new Object[]{"identity constraint", "(annotation?, selector, field+)"}, sElem);
}
while (fElem != null) {
// General Attribute Checking
attrValues = fAttrChecker.checkAttributes(fElem, false, schemaDoc);
if(!DOMUtil.getLocalName(fElem).equals(SchemaSymbols.ELT_FIELD))
reportSchemaError("s4s-elt-must-match.1", new Object[]{"identity constraint", "(annotation?, selector, field+)", SchemaSymbols.ELT_FIELD}, fElem);
// and make sure <field>'s content is fine:
Element fieldChild = DOMUtil.getFirstChildElement(fElem);
if (fieldChild != null) {
// traverse annotation
if (DOMUtil.getLocalName(fieldChild).equals(SchemaSymbols.ELT_ANNOTATION)) {
ic.addAnnotation(traverseAnnotationDecl(fieldChild, attrValues, false, schemaDoc));
fieldChild = DOMUtil.getNextSiblingElement(fieldChild);
}
}
if (fieldChild != null) {
reportSchemaError("s4s-elt-must-match.1", new Object [] {SchemaSymbols.ELT_FIELD, "(annotation?)", DOMUtil.getLocalName(fieldChild)}, fieldChild);
}
else {
String text = DOMUtil.getSyntheticAnnotation(fElem);
if (text != null) {
ic.addAnnotation(traverseSyntheticAnnotation(icElem, text, attrValues, false, schemaDoc));
}
}
String fText = ((String)attrValues[XSAttributeChecker.ATTIDX_XPATH]);
if(fText == null) {
reportSchemaError("s4s-att-must-appear", new Object [] {SchemaSymbols.ELT_FIELD, SchemaSymbols.ATT_XPATH}, fElem);
return;
}
fText = fText.trim();
try {
Field.XPath fXpath = new Field.XPath(fText, fSymbolTable,
schemaDoc.fNamespaceSupport);
Field field = new Field(fXpath, ic);
ic.addField(field);
}
catch (XPathException e) {
reportSchemaError(e.getKey(), new Object[]{fText}, fElem);
// put back attr values...
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return;
}
fElem = DOMUtil.getNextSiblingElement(fElem);
// put back attr values...
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
}
