| /******************************************************************************* |
| * Copyright (c) 2005, 2009 Andrea Bittau, University College London, and others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| * Mukul Gandhi - bug 334842 - improving support for the data types Name, NCName, ENTITY, |
| * ID, IDREF and NMTOKEN. |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.xml.xpath2.processor.internal.types; |
| |
| import org.apache.xerces.util.XMLChar; |
| import org.eclipse.wst.xml.xpath2.processor.DynamicError; |
| import org.eclipse.wst.xml.xpath2.processor.ResultSequence; |
| import org.eclipse.wst.xml.xpath2.processor.ResultSequenceFactory; |
| |
| /** |
| * A representation of the NCName datatype |
| */ |
| public class XSNCName extends XSName { |
| private static final String XS_NC_NAME = "xs:NCName"; |
| |
| /** |
| * Initialises using the supplied String |
| * |
| * @param x |
| * String to be stored |
| */ |
| public XSNCName(String x) { |
| super(x); |
| } |
| |
| /** |
| * Initialises to null |
| */ |
| public XSNCName() { |
| this(null); |
| } |
| |
| /** |
| * Retrieves the datatype's full pathname |
| * |
| * @return "xs:NCName" which is the datatype's full pathname |
| */ |
| public String string_type() { |
| return XS_NC_NAME; |
| } |
| |
| /** |
| * Retrieves the datatype's name |
| * |
| * @return "NCName" which is the datatype's name |
| */ |
| public String type_name() { |
| return "NCName"; |
| } |
| |
| /** |
| * Creates a new ResultSequence consisting of the extractable NCName within |
| * the supplied ResultSequence |
| * |
| * @param arg |
| * The ResultSequence from which to extract the NCName |
| * @return New ResultSequence consisting of the NCName supplied |
| * @throws DynamicError |
| */ |
| public ResultSequence constructor(ResultSequence arg) throws DynamicError { |
| ResultSequence rs = ResultSequenceFactory.create_new(); |
| |
| if (arg.empty()) |
| return rs; |
| |
| AnyAtomicType aat = (AnyAtomicType) arg.first(); |
| String strValue = aat.string_value(); |
| |
| if (!isConstraintSatisfied(strValue)) { |
| // invalid input |
| DynamicError.throw_type_error(); |
| } |
| |
| rs.add(new XSNCName(strValue)); |
| |
| return rs; |
| } |
| |
| /* |
| * Check if a string satisfies the constraints of NCName data type. |
| */ |
| protected boolean isConstraintSatisfied(String strValue) { |
| |
| boolean isValidNCName = true; |
| |
| if (!XMLChar.isValidNCName(strValue)) { |
| isValidNCName = false; |
| } |
| |
| return isValidNCName; |
| |
| } // isConstraintSatisfied |
| } |