use of org.jaxen.expr.TextNodeStep in project webservices-axiom by apache.
the class ExprComparator method compare.
public int compare(Object o1, Object o2) {
int type1 = getType(o1);
int type2 = getType(o2);
int cmp;
if (type1 == type2) {
switch(type1) {
case TYPE_ADDITIVE_EXPR:
AdditiveExpr additiveExpr1 = (AdditiveExpr) o1;
AdditiveExpr additiveExpr2 = (AdditiveExpr) o2;
cmp = additiveExpr1.getOperator().compareTo(additiveExpr2.getOperator());
if (cmp == 0) {
cmp = compare(additiveExpr1.getLHS(), additiveExpr2.getLHS());
if (cmp == 0) {
cmp = compare(additiveExpr1.getRHS(), additiveExpr2.getRHS());
}
}
break;
case TYPE_ALL_NODE_STEP:
AllNodeStep allNodeStep1 = (AllNodeStep) o1;
AllNodeStep allNodeStep2 = (AllNodeStep) o2;
cmp = allNodeStep1.getAxis() - allNodeStep2.getAxis();
if (cmp == 0) {
cmp = compareLists(allNodeStep1.getPredicates(), allNodeStep2.getPredicates());
}
break;
case TYPE_COMMENT_NODE_STEP:
CommentNodeStep commentNodeStep1 = (CommentNodeStep) o1;
CommentNodeStep commentNodeStep2 = (CommentNodeStep) o2;
cmp = commentNodeStep1.getAxis() - commentNodeStep2.getAxis();
if (cmp == 0) {
cmp = compareLists(commentNodeStep1.getPredicates(), commentNodeStep2.getPredicates());
}
break;
case TYPE_EQUALITY_EXPR:
EqualityExpr equalityExpr1 = (EqualityExpr) o1;
EqualityExpr equalityExpr2 = (EqualityExpr) o2;
cmp = equalityExpr1.getOperator().compareTo(equalityExpr2.getOperator());
if (cmp == 0) {
cmp = compare(equalityExpr1.getLHS(), equalityExpr1.getLHS());
if (cmp == 0) {
cmp = compare(equalityExpr1.getRHS(), equalityExpr1.getRHS());
}
}
break;
case TYPE_FILTER_EXPR:
if (true)
throw new RuntimeException("Not yet implemented!");
break;
case TYPE_FUNCTION_CALL_EXPR:
FunctionCallExpr functionCallExpr1 = (FunctionCallExpr) o1;
FunctionCallExpr functionCallExpr2 = (FunctionCallExpr) o2;
cmp = compareStrings(functionCallExpr1.getPrefix(), functionCallExpr2.getPrefix());
if (cmp == 0) {
cmp = functionCallExpr1.getFunctionName().compareTo(functionCallExpr2.getFunctionName());
if (cmp == 0) {
cmp = compareLists(functionCallExpr1.getParameters(), functionCallExpr2.getParameters());
}
}
break;
case TYPE_LITERAL_EXPR:
LiteralExpr literalExpr1 = (LiteralExpr) o1;
LiteralExpr literalExpr2 = (LiteralExpr) o2;
cmp = literalExpr1.getLiteral().compareTo(literalExpr2.getLiteral());
break;
case TYPE_LOCATION_PATH:
LocationPath locationPath1 = (LocationPath) o1;
LocationPath locationPath2 = (LocationPath) o2;
if (locationPath1.isAbsolute() == locationPath2.isAbsolute()) {
cmp = compareLists(locationPath1.getSteps(), locationPath2.getSteps());
} else if (locationPath1.isAbsolute()) {
cmp = 1;
} else {
cmp = -1;
}
break;
case TYPE_LOGICAL_EXP:
LogicalExpr logicalExpr1 = (LogicalExpr) o1;
LogicalExpr logicalExpr2 = (LogicalExpr) o2;
cmp = logicalExpr1.getOperator().compareTo(logicalExpr2.getOperator());
if (cmp == 0) {
cmp = compare(logicalExpr1.getLHS(), logicalExpr2.getLHS());
if (cmp == 0) {
cmp = compare(logicalExpr1.getRHS(), logicalExpr2.getRHS());
}
}
break;
case TYPE_MULTIPLICATIVE_EXPR:
MultiplicativeExpr multiplicativeExpr1 = (MultiplicativeExpr) o1;
MultiplicativeExpr multiplicativeExpr2 = (MultiplicativeExpr) o2;
cmp = multiplicativeExpr1.getOperator().compareTo(multiplicativeExpr2.getOperator());
if (cmp == 0) {
cmp = compare(multiplicativeExpr1.getLHS(), multiplicativeExpr2.getLHS());
if (cmp == 0) {
cmp = compare(multiplicativeExpr1.getRHS(), multiplicativeExpr2.getRHS());
}
}
break;
case TYPE_NAME_STEP:
NameStep nameStep1 = (NameStep) o1;
NameStep nameStep2 = (NameStep) o2;
cmp = nameStep1.getAxis() - nameStep2.getAxis();
if (cmp == 0) {
cmp = compareStrings(nameStep1.getPrefix(), nameStep2.getPrefix());
if (cmp == 0) {
cmp = nameStep1.getLocalName().compareTo(nameStep2.getLocalName());
if (cmp == 0) {
cmp = compareLists(nameStep1.getPredicates(), nameStep2.getPredicates());
}
}
}
break;
case TYPE_NUMBER_EXPR:
NumberExpr numberExpr1 = (NumberExpr) o1;
NumberExpr numberExpr2 = (NumberExpr) o2;
cmp = new Double(numberExpr1.getNumber().doubleValue()).compareTo(new Double(numberExpr2.getNumber().doubleValue()));
break;
case TYPE_PATH_EXPR:
PathExpr pathExpr1 = (PathExpr) o1;
PathExpr pathExpr2 = (PathExpr) o2;
cmp = compare(pathExpr1.getLocationPath(), pathExpr2.getLocationPath());
if (cmp == 0) {
cmp = compare(pathExpr1.getFilterExpr(), pathExpr2.getFilterExpr());
}
break;
case TYPE_PREDICATE:
Predicate predicate1 = (Predicate) o1;
Predicate predicate2 = (Predicate) o2;
cmp = compare(predicate1.getExpr(), predicate2.getExpr());
break;
case TYPE_PROCESSING_INSTRUCTION_NODE_STEP:
ProcessingInstructionNodeStep processingInstructionNodeStep1 = (ProcessingInstructionNodeStep) o1;
ProcessingInstructionNodeStep processingInstructionNodeStep2 = (ProcessingInstructionNodeStep) o2;
cmp = processingInstructionNodeStep1.getAxis() - processingInstructionNodeStep2.getAxis();
if (cmp == 0) {
cmp = compareStrings(processingInstructionNodeStep1.getName(), processingInstructionNodeStep2.getName());
if (cmp == 0) {
cmp = compareLists(processingInstructionNodeStep1.getPredicates(), processingInstructionNodeStep2.getPredicates());
}
}
break;
case TYPE_RELATIONAL_EXPR:
RelationalExpr relationalExpr1 = (RelationalExpr) o1;
RelationalExpr relationalExpr2 = (RelationalExpr) o2;
cmp = relationalExpr1.getOperator().compareTo(relationalExpr2.getOperator());
if (cmp == 0) {
cmp = compare(relationalExpr1.getLHS(), relationalExpr2.getLHS());
if (cmp == 0) {
cmp = compare(relationalExpr1.getRHS(), relationalExpr2.getRHS());
}
}
break;
case TYPE_TEXT_NODE_STEP:
TextNodeStep textNodeStep1 = (TextNodeStep) o1;
TextNodeStep textNodeStep2 = (TextNodeStep) o2;
cmp = textNodeStep1.getAxis() - textNodeStep2.getAxis();
if (cmp == 0) {
cmp = compareLists(textNodeStep1.getPredicates(), textNodeStep2.getPredicates());
}
break;
case TYPE_UNARY_EXPR:
UnaryExpr unaryExpr1 = (UnaryExpr) o1;
UnaryExpr unaryExpr2 = (UnaryExpr) o2;
cmp = compare(unaryExpr1.getExpr(), unaryExpr2.getExpr());
break;
case TYPE_UNION_EXPR:
if (true)
throw new RuntimeException("Not yet implemented!");
break;
case TYPE_VARIABLE_REFERENCE_EXPR:
VariableReferenceExpr variableReferenceExpr1 = (VariableReferenceExpr) o1;
VariableReferenceExpr variableReferenceExpr2 = (VariableReferenceExpr) o2;
cmp = compareStrings(variableReferenceExpr1.getPrefix(), variableReferenceExpr2.getPrefix());
if (cmp == 0) {
cmp = variableReferenceExpr1.getVariableName().compareTo(variableReferenceExpr2.getVariableName());
}
break;
default:
throw new IllegalArgumentException("Unhandled type: " + type1);
}
} else {
cmp = type1 - type2;
}
return cmp;
}
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