/* Generated By:JJTree: Do not edit this line. ASTAtConCat.java Version 4.3 */
/* JavaCCOptions:MULTI=true,NODE_USES_PARSER=true,VISITOR=false,TRACK_TOKENS=false,NODE_PREFIX=AST,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
/*
* © Copyright FOCONIS AG, 2014
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
*/
package org.openntf.formula.ast;
import org.openntf.formula.EvaluateException;
import org.openntf.formula.FormulaContext;
import org.openntf.formula.FormulaReturnException;
import org.openntf.formula.ValueHolder;
import org.openntf.formula.ValueHolder.DataType;
import org.openntf.formula.parse.AtFormulaParserImpl;
public class ASTAtConCat extends SimpleNode {
public ASTAtConCat(final AtFormulaParserImpl p, final int id) {
super(p, id);
}
/**
*
*/
@Override
public ValueHolder evaluate(final FormulaContext ctx) throws FormulaReturnException {
if (children == null)
return ValueHolder.valueDefault();
if (children.length == 1)
return children[0].evaluate(ctx);
// check for errors
ValueHolder vh;
ValueHolder[] res = new ValueHolder[children.length];
int size = 0;
for (int i = 0; i < children.length; i++) {
vh = children[i].evaluate(ctx);
if (vh != null && vh.dataType == DataType.ERROR)
return vh;
res[i] = vh;
size = Math.max(size, vh == null ? 0 : vh.size);
}
int entry = 0;
vh = res[0].newInstance(size);
try {
switch (res[0].dataType) {
case DOUBLE:
case INTEGER:
for (int i = 0; i < size; i++) {
double sum = 0;
for (entry = 0; entry < res.length; entry++) {
sum += res[entry].getDouble(i);
}
vh.add(sum);
}
break;
case STRING:
for (int i = 0; i < size; i++) {
StringBuffer sb = new StringBuffer();
for (entry = 0; entry < res.length; entry++) {
sb.append(res[entry].getString(i));
}
vh.add(sb.toString());
}
break;
default:
throw new UnsupportedOperationException("Concat on " + res[0].dataType + " is not supported");
}
} catch (RuntimeException cause) {
if (entry < res.length) {
// find the entry where the error occured
SimpleNode child = (SimpleNode) children[entry];
return ValueHolder.valueOf(new EvaluateException(child.codeLine, child.codeColumn, cause));
}
return ValueHolder.valueOf(new EvaluateException(codeLine, codeColumn, cause));
}
return vh;
}
}
/* JavaCC - OriginalChecksum=2b095cf813979405364ecca27c4a6b83 (do not edit this line) */