org.ddr.poi.html.util.WhiteSpaceRule Maven / Gradle / Ivy

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/*
 * Copyright 2016 - 2021 Draco, https://github.com/draco1023
 *
 * 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 org.ddr.poi.html.util;

import org.ddr.poi.html.HtmlConstants;

import java.util.Arrays;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * https://developer.mozilla.org/zh-CN/docs/Web/CSS/white-space
 *
 * @author Draco
 * @since 2021-07-15
 */
public enum WhiteSpaceRule {
    NORMAL(HtmlConstants.NORMAL, false, false, false),
    NO_WRAP(HtmlConstants.NO_WRAP, false, false, false),
    PRE(HtmlConstants.PRE, true, true, true),
    PRE_WRAP(HtmlConstants.PRE_WRAP, true, true, true),
    PRE_LINE(HtmlConstants.PRE_LINE, true, false, false),
    BREAK_SPACES(HtmlConstants.BREAK_SPACES, true, true, true);

    private final String value;
    private final boolean keepLineBreak;
    private final boolean keepSpaceAndTab;
    private final boolean keepTrailingSpace;

    WhiteSpaceRule(String value, boolean keepLineBreak, boolean keepSpaceAndTab, boolean keepTrailingSpace) {
        this.value = value;
        this.keepLineBreak = keepLineBreak;
        this.keepSpaceAndTab = keepSpaceAndTab;
        this.keepTrailingSpace = keepTrailingSpace;
    }

    public String getValue() {
        return value;
    }

    public boolean isKeepLineBreak() {
        return keepLineBreak;
    }

    public boolean isKeepSpaceAndTab() {
        return keepSpaceAndTab;
    }

    public boolean isKeepTrailingSpace() {
        return keepTrailingSpace;
    }

    public boolean isNormal() {
        return this == NORMAL || this == NO_WRAP;
    }

    private static Map rules = Arrays.stream(values()).collect(
            Collectors.toMap(WhiteSpaceRule::getValue, Function.identity())
    );

    public static WhiteSpaceRule of(String value) {
        return rules.get(value);
    }

    public static WhiteSpaceRule of(String value, WhiteSpaceRule defaultRule) {
        return rules.getOrDefault(value, defaultRule);
    }
}