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/*
 * Copyright © 2015 Stefan Niederhauser ([email protected])
 *
 * 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 guru.nidi.graphviz.attribute;

import java.util.Arrays;

import static guru.nidi.graphviz.attribute.Attributes.attr;
import static guru.nidi.graphviz.attribute.Attributes.attrs;
import static java.util.stream.Collectors.joining;

public final class Records {
    private static final String SHAPE = "shape";
    private static final String RECORD = "record";
    private static final String LABEL = "label";

    private Records() {
    }

    public static Attributes label(String label) {
        return attrs(attr(SHAPE, RECORD), attr(LABEL, label));
    }

    public static Attributes mLabel(String label) {
        return attrs(attr(SHAPE, "Mrecord"), attr(LABEL, label));
    }

    public static Attributes of(String... recs) {
        return attrs(attr(SHAPE, RECORD), attr(LABEL, Arrays.stream(recs).collect(joining("|"))));
    }

    public static Attributes mOf(String... recs) {
        return attrs(attr(SHAPE, "Mrecord"), attr(LABEL, Arrays.stream(recs).collect(joining("|"))));
    }

    public static String rec(String tag, String label) {
        return "<" + tag + ">" + rec(label);
    }

    public static String rec(String label) {
        return label.replace("{", "\\{").replace("}", "\\}")
                .replace("<", "\\<").replace(">", "\\>")
                .replace("|", "\\|").replace(" ", "\\ ");
    }

    public static String turn(String... records) {
        return "{" + Arrays.stream(records).collect(joining("|")) + "}";
    }

}