001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.xml.xpath.impl;
043:
044: import java.util.Iterator;
045:
046: import org.netbeans.modules.xml.xpath.XPathCoreOperation;
047: import org.netbeans.modules.xml.xpath.visitor.XPathVisitable;
048: import org.netbeans.modules.xml.xpath.visitor.XPathVisitor;
049:
050: /**
051: * Represents a core XPath operation.
052: *
053: * @author Enrico Lelina
054: * @version
055: */
056: public class XPathCoreOperationImpl extends XPathOperatorOrFunctionImpl
057: implements XPathCoreOperation {
058:
059: /** The operator code. */
060: int mOperator;
061:
062: /**
063: * Constructor. Instantiates a new XPathCoreOperation with the given code.
064: * @param operator the operator code
065: */
066: public XPathCoreOperationImpl(int operator) {
067: super ();
068: setOperator(operator);
069: }
070:
071: /**
072: * Gets the operator code.
073: * @return the operator code
074: */
075: public int getOperator() {
076: return mOperator;
077: }
078:
079: /**
080: * Sets the operator code.
081: * @param operator the operator code
082: */
083: public void setOperator(int operator) {
084: mOperator = operator;
085: }
086:
087: /**
088: * Gets the name of the operator.
089: * @return the operator name
090: */
091: public String getName() {
092: int code = getOperator();
093:
094: switch (code) {
095: case XPathCoreOperation.OP_SUM:
096: return "addition";
097: case XPathCoreOperation.OP_MINUS:
098: return "subtraction";
099: case XPathCoreOperation.OP_MULT:
100: return "multiplication";
101: case XPathCoreOperation.OP_DIV:
102: return "division";
103: case XPathCoreOperation.OP_MOD:
104: return "remainder";
105: case XPathCoreOperation.OP_NEGATIVE:
106: return "negative";
107: case XPathCoreOperation.OP_AND:
108: return "and";
109: case XPathCoreOperation.OP_OR:
110: return "or";
111: case XPathCoreOperation.OP_EQ:
112: return "equal";
113: case XPathCoreOperation.OP_NE:
114: return "not_equal";
115: case XPathCoreOperation.OP_LT:
116: return "lesser_than";
117: case XPathCoreOperation.OP_LE:
118: return "lesser_or_equal";
119: case XPathCoreOperation.OP_GT:
120: return "greater_than";
121: case XPathCoreOperation.OP_GE:
122: return "greater_or_equal";
123: }
124:
125: return null;
126: }
127:
128: /**
129: * Gets the operator sign.
130: * @return the operator sign
131: */
132: public String getSign() {
133: int code = getOperator();
134:
135: switch (code) {
136: case XPathCoreOperation.OP_SUM:
137: return "+";
138: case XPathCoreOperation.OP_MINUS:
139: return "-";
140: case XPathCoreOperation.OP_MULT:
141: return "*";
142: case XPathCoreOperation.OP_DIV:
143: return "div";
144: case XPathCoreOperation.OP_MOD:
145: return "mod";
146: case XPathCoreOperation.OP_NEGATIVE:
147: return "-";
148: case XPathCoreOperation.OP_AND:
149: return "and";
150: case XPathCoreOperation.OP_OR:
151: return "or";
152: case XPathCoreOperation.OP_EQ:
153: return "=";
154: case XPathCoreOperation.OP_NE:
155: return "!=";
156: case XPathCoreOperation.OP_LT:
157: return "<";
158: case XPathCoreOperation.OP_LE:
159: return "<=";
160: case XPathCoreOperation.OP_GT:
161: return ">";
162: case XPathCoreOperation.OP_GE:
163: return ">=";
164: }
165:
166: return null;
167: }
168:
169: /**
170: * Calls the visitor.
171: * @param visitor the visitor
172: */
173: public void accept(XPathVisitor visitor) {
174: visitor.visit(this);
175: }
176: }
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