/*
* Copyright (C) 2006, 2007 Dennis Hunziker, Ueli Kistler
* Copyright (C) 2007 Reto Schuettel, Robin Stocker
*
* IFS Institute for Software, HSR Rapperswil, Switzerland
*
*/
package org.python.pydev.refactoring.codegenerator.generateproperties.edit;
import org.python.pydev.parser.jython.SimpleNode;
import org.python.pydev.parser.jython.ast.Attribute;
import org.python.pydev.parser.jython.ast.FunctionDef;
import org.python.pydev.parser.jython.ast.Name;
import org.python.pydev.parser.jython.ast.NameTok;
import org.python.pydev.parser.jython.ast.Return;
import org.python.pydev.parser.jython.ast.argumentsType;
import org.python.pydev.parser.jython.ast.exprType;
import org.python.pydev.parser.jython.ast.stmtType;
import org.python.pydev.parser.jython.ast.factory.NodeHelper;
import org.python.pydev.refactoring.codegenerator.generateproperties.request.GeneratePropertiesRequest;
import org.python.pydev.refactoring.core.edit.AbstractInsertEdit;
/**
* Creates the getter function:
*
* <pre>
* def get_attribute(self):
* return self._attribute
* </pre>
*/
public class GetterMethodEdit extends AbstractInsertEdit {
private String attributeName;
private String accessorName;
private int offsetStrategy;
public GetterMethodEdit(GeneratePropertiesRequest req) {
super(req);
this.attributeName = req.getAttributeName();
this.accessorName = req.getAccessorName("get", attributeName);
this.offsetStrategy = req.offsetMethodStrategy;
}
@Override
protected SimpleNode getEditNode() {
NameTok functionName = new NameTok(accessorName, NameTok.FunctionName);
argumentsType args = createArguments();
stmtType[] body = createBody();
return new FunctionDef(functionName, args, body, null, null);
}
private argumentsType createArguments() {
exprType[] params = new exprType[] { new Name(NodeHelper.KEYWORD_SELF, Name.Param, false) };
return new argumentsType(params, null, null, null, null, null, null, null, null, null);
}
private stmtType[] createBody() {
Name self = new Name(NodeHelper.KEYWORD_SELF, Name.Load, false);
NameTok name = new NameTok(nodeHelper.getPrivateAttr(attributeName), NameTok.Attrib);
Attribute returnAttribute = new Attribute(self, name, Attribute.Load);
Return returnStmt = new Return(returnAttribute);
return new stmtType[] { returnStmt };
}
@Override
public int getOffsetStrategy() {
return offsetStrategy;
}
}