com.amihaiemil.eoyaml.ReadYamlSequence Maven / Gradle / Ivy

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YAML for Java 8 and above. Very similar to the JSON-P api.
There is a newer version: 8.0.6
/**
 * Copyright (c) 2016-2020, Mihai Emil Andronache
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 * Neither the name of the copyright holder nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
package com.amihaiemil.eoyaml;

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

/**
 * YamlSequence read from somewhere.
 * @author Mihai Andronache ([email protected])
 * @version $Id: eed847e790f45fe6f7bd58d72afd716f062519f9 $
 * @since 1.0.0
 */
final class ReadYamlSequence extends ComparableYamlSequence {

    /**
     * Lines read.
     */
    private YamlLines lines;

    /**
     * Ctor.
     * @param lines Given lines.
     */
    ReadYamlSequence(final AllYamlLines lines) {
        this.lines = new SameIndentationLevel(
            new WellIndented(
                new NoDirectivesOrMarkers(
                    lines
                )
            )
        );
    }

    @Override
    public Collection values() {
        final List kids = new LinkedList<>();
        for(final YamlLine line : this.lines) {
            if("-".equals(line.trimmed())) {
                kids.add(this.lines.nested(line.number()).toYamlNode(line));
            } else {
                final String trimmed = line.trimmed();
                kids.add(
                    new Scalar(trimmed.substring(trimmed.indexOf('-')+1).trim())
                );
            }
        }
        return kids;
    }

    @Override
    public String toString() {
        return this.indent(0);
    }

    @Override
    public YamlMapping yamlMapping(final int index) {
        YamlMapping mapping = null;
        int count = 0;
        for (final YamlNode node : this.values()) {
            if (count == index && node instanceof YamlMapping) {
                mapping = (YamlMapping) node;
            }
            count = count + 1;
        }
        return mapping;
    }

    @Override
    public YamlSequence yamlSequence(final int index) {
        YamlSequence sequence = null;
        int count = 0;
        for (final YamlNode node : this.values()) {
            if (count == index && node instanceof YamlSequence) {
                sequence = (YamlSequence) node;
            }
            count = count + 1;
        }
        return sequence;
    }

    @Override
    public String string(final int index) {
        String scalar = null;
        int count = 0;
        for (final YamlNode node : this.values()) {
            if (count == index && node instanceof Scalar) {
                scalar = ((Scalar) node).value();
            }
            count = count + 1;
        }
        return scalar;
    }

    @Override
    @SuppressWarnings("unused")
    public int size() {
        int size = 0;
        for(final YamlLine line : this.lines) {
            size = size + 1;
        }
        return size;
    }

    @Override
    public Iterator iterator() {
        return this.values().iterator();
    }

}