/*
* Encog(tm) Core v3.3 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2014 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.parse.expression.epl;
import org.encog.Encog;
import org.encog.ml.prg.EncogProgram;
import org.encog.ml.prg.ProgramNode;
import org.encog.ml.prg.expvalue.ValueType;
import org.encog.parse.expression.CommonRender;
import org.encog.util.csv.CSVFormat;
public class RenderEPL extends CommonRender {
private EncogProgram program;
public RenderEPL() {
}
public String render(final EncogProgram theProgram) {
this.program = theProgram;
return renderNode(this.program.getRootNode());
}
private String renderNode(ProgramNode node) {
StringBuilder result = new StringBuilder();
for(int i=0;i<node.getChildNodes().size();i++) {
ProgramNode childNode = node.getChildNode(i);
result.append(renderNode(childNode));
}
result.append('[');
result.append(node.getName());
result.append(':');
result.append(node.getTemplate().getChildNodeCount());
for(int i=0;i<node.getTemplate().getDataSize();i++) {
result.append(':');
ValueType t = node.getData()[i].getExpressionType();
if( t==ValueType.booleanType) {
result.append(node.getData()[i].toBooleanValue()?'t':'f');
} else if( t==ValueType.floatingType) {
result.append(CSVFormat.EG_FORMAT.format(node.getData()[i].toFloatValue(), Encog.DEFAULT_PRECISION));
} else if( t==ValueType.intType) {
result.append(node.getData()[i].toIntValue());
} else if( t==ValueType.enumType) {
result.append(node.getData()[i].getEnumType());
result.append("#");
result.append(node.getData()[i].toIntValue());
} else if( t==ValueType.stringType) {
result.append("\"");
result.append(node.getData()[i].toStringValue());
result.append("\"");
}
}
result.append(']');
return result.toString().trim();
}
}