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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.engine;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public enum Format {
    PNG("svg", "png", true, true) {
        @Override
        EngineResult postProcess(EngineResult result, double fontAdjust) {
            return result.mapString(s -> postProcessSvg(s, true, fontAdjust));
        }
    },

    SVG("svg", "svg", false, true) {
        @Override
        EngineResult postProcess(EngineResult result, double fontAdjust) {
            return result.mapString(s -> postProcessSvg(s, true, fontAdjust));
        }
    },

    SVG_STANDALONE("svg", "svg", false, true) {
        @Override
        EngineResult postProcess(EngineResult result, double fontAdjust) {
            return result.mapString(s -> postProcessSvg(s, false, fontAdjust));
        }
    },
    DOT("dot", "dot", false, false),
    XDOT("xdot", "xdot", false, false),
    PLAIN("plain", "txt", false, false),
    PLAIN_EXT("plain-ext", "txt", false, false),
    PS("ps", "ps", false, false),
    PS2("ps2", "ps", false, false),
    JSON("json", "json", false, false),
    JSON0("json0", "json", false, false);

    private static final Logger LOG = LoggerFactory.getLogger(Format.class);
    private static final Pattern FONT_PATTERN = Pattern.compile("font-size=\"(.*?)\"");
    private static final Pattern SVG_PATTERN = Pattern.compile(
            "