/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

/* $Rev$ $Date$ */

/**
 * Convert a JSON document to a scheme value.
 */

#include "fstream.hpp"
#include "string.hpp"
#include "../json/json.hpp"
#include "element.hpp"
#include "eval.hpp"

namespace tuscany {
namespace scheme {

const int jsonValue() {
    const failable<value> v = json::readValue(streamList(cin));
    if (!hasContent(v)) {
        cerr << reason(v) << " : " << rcode(v);
        return 1;
    }
    write(content(writeValue(content(v))), cout);
    return 0;
}

}
}

int main() {
    return tuscany::scheme::jsonValue();
}

