/**
* Get the display name of the range variable, for diagnostics only
*
* @return the lexical QName of the range variable
*/
public String getVariableName() {
if (variableName == null) {
return "zz:var" + hashCode();
} else {
return variableName.getDisplayName();
}
}
/**
* Tests whether this is a dynamic error that may be reported statically if it is detected
* statically
*
* @return true if the error can be reported statically
*/
public boolean isReportableStatically() {
if (isStaticError() || isTypeError()) {
return true;
}
StructuredQName err = errorCode;
if (err != null && err.getURI().equals(NamespaceConstant.ERR)) {
String local = err.getLocalPart();
return local.equals("XTDE1260")
|| local.equals("XTDE1280")
|| local.equals("XTDE1390")
|| local.equals("XTDE1400")
|| local.equals("XDTE1428")
|| local.equals("XTDE1440")
|| local.equals("XTDE1460");
}
return false;
}
/*@Nullable*/ public String getErrorCodeNamespace() {
return (errorCode == null ? null : errorCode.getURI());
}
/*@Nullable*/ public String getErrorCodeLocalPart() {
return (errorCode == null ? null : errorCode.getLocalPart());
}
/**
* @param result
* @param expr
*/
private static void serialize(
FastStringBuffer result, Expression expr, Map reversePrefixMapping) {
if (expr instanceof Assignation) {
// XXX not yet supported
} else if (expr instanceof AxisExpression) {
AxisExpression axisExpression = (AxisExpression) expr;
result.append(Axis.axisName[axisExpression.getAxis()]);
result.append("::");
final NodeTest nodeTest = axisExpression.getNodeTest();
if (nodeTest == null) {
result.append("node()");
} else {
result.append(fixPreFixes(nodeTest.toString(), reversePrefixMapping));
}
} else if (expr instanceof BinaryExpression) {
BinaryExpression binaryExpression = (BinaryExpression) expr;
result.append('(');
serialize(result, binaryExpression.getOperands()[0], reversePrefixMapping);
result.append(Token.tokens[binaryExpression.getOperator()]);
serialize(result, binaryExpression.getOperands()[1], reversePrefixMapping);
result.append(')');
} else if (expr instanceof CompareToIntegerConstant) {
CompareToIntegerConstant compareToIntegerConstant = (CompareToIntegerConstant) expr;
result.append('(');
serialize(result, compareToIntegerConstant.getOperand(), reversePrefixMapping);
result.append(Token.tokens[compareToIntegerConstant.getComparisonOperator()]);
result.append(Long.toString(compareToIntegerConstant.getComparand()));
result.append(')');
} else if (expr instanceof ConditionalSorter) {
// XXX not yet supported
} else if (expr instanceof ContextItemExpression) {
result.append('.');
} else if (expr instanceof ErrorExpression) {
// Error do nothing
} else if (expr instanceof FilterExpression) {
FilterExpression filterExpression = (FilterExpression) expr;
result.append('(');
serialize(result, filterExpression.getControllingExpression(), reversePrefixMapping);
result.append('[');
serialize(result, filterExpression.getFilter(), reversePrefixMapping);
result.append("])");
} else if (expr instanceof FunctionCall) {
FunctionCall functionCall = (FunctionCall) expr;
StructuredQName name = functionCall.getFunctionName();
if (name.getPrefix() != null && name.getPrefix().length() > 0) {
result.append(name.getPrefix());
result.append(":");
}
result.append(name.getLocalName());
result.append("(");
Iterator iter = functionCall.iterateSubExpressions();
boolean first = true;
while (iter.hasNext()) {
result.append(first ? "" : ", ");
SaxonXPathExpressionSerializer.serialize(
result, (Expression) iter.next(), reversePrefixMapping);
first = false;
}
result.append(")");
} else if (expr instanceof Instruction) {
// This is not an XPath expression
} else if (expr instanceof IntegerRangeTest) {
// XXX not yet supported
} else if (expr instanceof IsLastExpression) {
result.append("position() eq last()");
} else if (expr instanceof Literal) {
Literal literal = (Literal) expr;
result.append(literal.getValue().toString());
} else if (expr instanceof NumberInstruction) {
// This is not an XPath expression
} else if (expr instanceof PathExpression) {
PathExpression pathExpression = (PathExpression) expr;
result.append('(');
serialize(result, pathExpression.getControllingExpression(), reversePrefixMapping);
result.append('/');
serialize(result, pathExpression.getControlledExpression(), reversePrefixMapping);
result.append(')');
} else if (expr instanceof PatternMatchExpression) {
// XXX not yet supported
} else if (expr instanceof PatternSponsor) {
// XXX not yet supported
} else if (expr instanceof SimpleContentConstructor) {
// This is not an XPath expression
} else if (expr instanceof SimpleExpression) {
// This is not an XPath expression
}
/*
else if (expr instanceof SimpleMappingExpression) {
// XXX not yet supported
}
*/
else if (expr instanceof ParentNodeExpression) {
result.append("..");
} else if (expr instanceof RootExpression) {
// do nothing
} else if (expr instanceof SortExpression) {
// XXX not yet supported
} else if (expr instanceof TailExpression) {
// XXX not yet supported
} else if (expr instanceof TupleExpression) {
// This is not an XPath expression
} else if (expr instanceof TupleSorter) {
// This is not an XPath expression
} else if (expr instanceof UnaryExpression) {
UnaryExpression unaryExpression = (UnaryExpression) expr;
serialize(
result,
unaryExpression.getBaseExpression(),
reversePrefixMapping); // Not sure if this is correct in all cases
} else if (expr instanceof VariableReference) {
VariableReference variableReference = (VariableReference) expr;
String d = variableReference.getDisplayName();
result.append("$");
result.append(d == null ? "$" : d);
}
}