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PlantUML is a component that allows to quickly write diagrams from text.
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// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://plantuml.com/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the Apache Software License.
 *
 * 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.
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this APACHE license.
 *
 * The generated images can then be used without any reference to the APACHE license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.text;

import java.util.Objects;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.utils.LineLocation;

final public class StringLocated {
    // ::remove folder when __HAXE__

	private final String s;
	private final LineLocation location;
	private final String preprocessorError;

	private StringLocated trimmed;
	private long fox = -1;
	private TLineType type;

	public StringLocated(String s, LineLocation location) {
		this(s, location, null);
	}

	public StringLocated(String s, LineLocation location, String preprocessorError) {
		this.s = Objects.requireNonNull(s);
		this.location = location;
		this.preprocessorError = preprocessorError;
	}

	@Override
	public String toString() {
		return s;
	}

	public StringLocated append(String endOfLine) {
		return new StringLocated(s + endOfLine, location, preprocessorError);
	}

	public StringLocated mergeEndBackslash(StringLocated next) {
		if (StringUtils.endsWithBackslash(s) == false)
			throw new IllegalArgumentException();

		return new StringLocated(s.substring(0, s.length() - 1) + next.s, location, preprocessorError);
	}

	public StringLocated withErrorPreprocessor(String preprocessorError) {
		return new StringLocated(s, location, preprocessorError);
	}

	public StringLocated substring(int start, int end) {
		return new StringLocated(this.getString().substring(start, end), this.getLocation(),
				this.getPreprocessorError());
	}

	public StringLocated substring(int start) {
		return new StringLocated(this.getString().substring(start), this.getLocation(), this.getPreprocessorError());
	}

	public StringLocated getTrimmed() {
		if (trimmed == null) {
			this.trimmed = new StringLocated(StringUtils.trin(this.getString()), location, preprocessorError);
			trimmed.fox = this.fox;
			trimmed.trimmed = trimmed;
		}
		return trimmed;
	}

	public StringLocated removeInnerComment() {
		final String string = s.toString();
		final String trim = string.replace('\t', ' ').trim();
		if (trim.startsWith("/'")) {
			final int idx = string.indexOf("'/");
			if (idx != -1)
				return new StringLocated(removeSpecialInnerComment(s.substring(idx + 2, s.length())), location,
						preprocessorError);

		}
		if (trim.endsWith("'/")) {
			final int idx = string.lastIndexOf("/'");
			if (idx != -1)
				return new StringLocated(removeSpecialInnerComment(s.substring(0, idx)), location, preprocessorError);

		}
		if (trim.contains("/'''") && trim.contains("'''/"))
			return new StringLocated(removeSpecialInnerComment(s), location, preprocessorError);

		return this;
	}

	private String removeSpecialInnerComment(String s) {
		if (s.contains("/'''") && s.contains("'''/"))
			return s.replaceAll("/'''[-\\w]*'''/", "");

		return s;
	}

	public String getString() {
		return s;
	}

	public LineLocation getLocation() {
		return location;
	}

	public String getPreprocessorError() {
		return preprocessorError;
	}

	public long getFoxSignature() {
		if (fox == -1)
			fox = FoxSignature.getFoxSignatureFromRealString(getString());

		return fox;
	}

	public TLineType getType() {
		if (type == null)
			type = TLineType.getFromLineInternal(s);

		return type;
	}

	public int length() {
		return s.length();
	}

	public char charAt(int i) {
		return s.charAt(i);
	}

}