Examples with ResultBuffer org.eclipse.wst.xml.xpath2.api.ResultBuffer used on opensource projects

Example 51 with ResultBuffer

use of org.eclipse.wst.xml.xpath2.api.ResultBuffer in project webtools.sourceediting by eclipse.

the class OpIntersect method op_intersect.

/**
 * Op-Intersect operation.
 *
 * @param args
 *            Result from the expressions evaluation.
 * @throws DynamicError
 *             Dynamic error.
 * @return Result of operation.
 */
public static ResultSequence op_intersect(Collection args) throws DynamicError {
    ResultBuffer rs = new ResultBuffer();
    // convert arguments
    Collection cargs = Function.convert_arguments(args, expected_args());
    // get arguments
    Iterator iter = cargs.iterator();
    ResultSequence one = (ResultSequence) iter.next();
    ResultSequence two = (ResultSequence) iter.next();
    // XXX lame
    for (Iterator i = one.iterator(); i.hasNext(); ) {
        NodeType node = (NodeType) i.next();
        boolean found = false;
        // death
        for (Iterator j = two.iterator(); j.hasNext(); ) {
            NodeType node2 = (NodeType) j.next();
            if (node.node_value() == node2.node_value()) {
                found = true;
                break;
            }
        }
        if (found)
            rs.add(node);
    }
    rs = NodeType.linarize(rs);
    return rs.getSequence();
}

Example 52 with ResultBuffer

use of org.eclipse.wst.xml.xpath2.api.ResultBuffer in project webtools.sourceediting by eclipse.

the class FsConvertOperand method convert_operand.

/**
 * Convert-Operand operation.
 *
 * @param args
 *            Result from the expressions evaluation.
 * @throws DynamicError
 *             Dynamic error.
 * @return Result of fs: operation.
 */
public static ResultSequence convert_operand(Collection args) throws DynamicError {
    assert args.size() == 2;
    Iterator iter = args.iterator();
    ResultSequence actual = (ResultSequence) iter.next();
    ResultSequence expected = (ResultSequence) iter.next();
    if (expected.size() != 1)
        DynamicError.throw_type_error();
    Item at = expected.first();
    if (!(at instanceof AnyAtomicType))
        DynamicError.throw_type_error();
    AnyAtomicType exp_aat = (AnyAtomicType) at;
    ResultBuffer result = new ResultBuffer();
    // 1
    if (actual.empty())
        return result.getSequence();
    // convert sequence
    for (Iterator i = actual.iterator(); i.hasNext(); ) {
        AnyType item = (AnyType) i.next();
        // 2
        if (item instanceof XSUntypedAtomic) {
            // a
            if (exp_aat instanceof XSUntypedAtomic)
                result.add(new XSString(item.getStringValue()));
            else // b
            if (exp_aat instanceof NumericType)
                result.add(new XSDouble(item.getStringValue()));
            else // c
            {
                assert exp_aat instanceof CtrType;
                CtrType cons = (CtrType) exp_aat;
                result.concat(cons.constructor(new XSString(item.getStringValue())));
            }
        } else
            // 4
            result.add(item);
    }
    return result.getSequence();
}