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* Copyright (C) Codehaus.org *
* ------------------------------------------------------------------------- *
* 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 *
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*****************************************************************************/
package net.ion.rosetta;
import net.ion.rosetta.functors.Map;
final class MapParser<From, To> extends Parser<To> {
private final Parser<From> parser;
private final Map<? super From, ? extends To> m;
MapParser(Parser<From> parser, Map<? super From, ? extends To> m) {
this.parser = parser;
this.m = m;
}
@Override
boolean apply(final ParseContext ctxt) {
final boolean r = parser.run(ctxt);
if (r) {
ctxt.result = m.map(parser.getReturn(ctxt));
}
return r;
}
@Override
public String toString() {
return m.toString();
}
}