001: /*
002: $Id: MapExpression.java 3419 2006-01-19 00:07:02Z blackdrag $
003:
004: Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005:
006: Redistribution and use of this software and associated documentation
007: ("Software"), with or without modification, are permitted provided
008: that the following conditions are met:
009:
010: 1. Redistributions of source code must retain copyright
011: statements and notices. Redistributions must also contain a
012: copy of this document.
013:
014: 2. Redistributions in binary form must reproduce the
015: above copyright notice, this list of conditions and the
016: following disclaimer in the documentation and/or other
017: materials provided with the distribution.
018:
019: 3. The name "groovy" must not be used to endorse or promote
020: products derived from this Software without prior written
021: permission of The Codehaus. For written permission,
022: please contact info@codehaus.org.
023:
024: 4. Products derived from this Software may not be called "groovy"
025: nor may "groovy" appear in their names without prior written
026: permission of The Codehaus. "groovy" is a registered
027: trademark of The Codehaus.
028:
029: 5. Due credit should be given to The Codehaus -
030: http://groovy.codehaus.org/
031:
032: THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033: ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034: NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
036: THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043: OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045: */
046: package org.codehaus.groovy.ast.expr;
047:
048: import java.util.ArrayList;
049: import java.util.List;
050:
051: import org.codehaus.groovy.ast.ClassHelper;
052: import org.codehaus.groovy.ast.GroovyCodeVisitor;
053:
054: /**
055: * Represents a map expression [1 : 2, "a" : "b", x : y] which creates a mutable Map
056: *
057: * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
058: * @version $Revision: 3419 $
059: */
060: public class MapExpression extends Expression {
061: private List mapEntryExpressions;
062:
063: public MapExpression() {
064: this (new ArrayList());
065: }
066:
067: public MapExpression(List mapEntryExpressions) {
068: this .mapEntryExpressions = mapEntryExpressions;
069: //TODO: get the type's of the expressions to specify the
070: // map type to Map<X> if possible.
071: setType(ClassHelper.MAP_TYPE);
072: }
073:
074: public void addMapEntryExpression(MapEntryExpression expression) {
075: mapEntryExpressions.add(expression);
076: }
077:
078: public List getMapEntryExpressions() {
079: return mapEntryExpressions;
080: }
081:
082: public void visit(GroovyCodeVisitor visitor) {
083: visitor.visitMapExpression(this );
084: }
085:
086: public boolean isDynamic() {
087: return false; //To change body of implemented methods use File | Settings | File Templates.
088: }
089:
090: public Expression transformExpression(
091: ExpressionTransformer transformer) {
092: Expression ret = new MapExpression(transformExpressions(
093: getMapEntryExpressions(), transformer));
094: ret.setSourcePosition(this );
095: return ret;
096: }
097:
098: public String toString() {
099: return super .toString() + mapEntryExpressions;
100: }
101:
102: public String getText() {
103: StringBuffer sb = new StringBuffer(32);
104: sb.append("[");
105: int size = mapEntryExpressions.size();
106: MapEntryExpression mapEntryExpression = null;
107: if (size > 0) {
108: mapEntryExpression = (MapEntryExpression) mapEntryExpressions
109: .get(0);
110: sb
111: .append(mapEntryExpression.getKeyExpression()
112: .getText()
113: + ":"
114: + mapEntryExpression.getValueExpression()
115: .getText());
116: for (int i = 1; i < size; i++) {
117: mapEntryExpression = (MapEntryExpression) mapEntryExpressions
118: .get(i);
119: sb.append(", "
120: + mapEntryExpression.getKeyExpression()
121: .getText()
122: + ":"
123: + mapEntryExpression.getValueExpression()
124: .getText());
125: if (sb.length() > 120 && i < size - 1) {
126: sb.append(", ... ");
127: break;
128: }
129: }
130: }
131: sb.append("]");
132: return sb.toString();
133: }
134:
135: public void addMapEntryExpression(Expression keyExpression,
136: Expression valueExpression) {
137: addMapEntryExpression(new MapEntryExpression(keyExpression,
138: valueExpression));
139: }
140:
141: }
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