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// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
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package net.sourceforge.plantuml.text;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.jaws.Jaws;
import net.sourceforge.plantuml.jaws.JawsFlags;
import net.sourceforge.plantuml.jaws.JawsStrange;
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 jawsPatchNewlines() {
//	return new StringLocated(s.replace("\\n", "%n()"), location, preprocessorError);
//}
//
//public BlocLines expandsJaws() {
//	BlocLines result = BlocLines.create();
//	for (String part : s.split("" + Jaws.BLOCK_E1_NEWLINE))
//		result = result.add(new StringLocated(part, location, preprocessorError));
//	return result;
//}

	public List expandsJawsForPreprocessor() {
		if (JawsFlags.PARSE_NEW_MULTILINE_TRIPLE_MARKS) {
			final int x = searchMultilineTripleSeparators();
			if (x == -1)
				return Arrays.asList(this);
			final String s1 = s.substring(0, x);
			final String s2 = s.substring(x + 3);
			return Arrays.asList(new StringLocated(s1, location, preprocessorError).jawsHideBackslash(),
					new StringLocated(s2, location, preprocessorError).jawsHideBackslash());
		}
		return Arrays.asList(this);
	}

	private static final Pattern TRIPLE_PATTERN = Pattern.compile("!!!|'''|\"\"\"");

	private int searchMultilineTripleSeparators() {
		final Matcher matcher = TRIPLE_PATTERN.matcher(s);

		if (matcher.find())
			return matcher.start();

		return -1;
	}

	public List expandsJaws5() {
		final List copy = new ArrayList<>();
		for (String s : expandsJaws3())
			copy.add(new StringLocated(s, location, preprocessorError));
		return copy;
	}

	public StringLocated jawsHideBackslash() {
		return new StringLocated(s.replace('\\', Jaws.BLOCK_E1_REAL_BACKSLASH), location, preprocessorError);
	}

	public List expandsJaws3() {
		return Arrays.asList(s.split("" + Jaws.BLOCK_E1_NEWLINE));
	}

	public static List expandsJaws4(String s) {
		return Arrays.asList(s.split("" + Jaws.BLOCK_E1_NEWLINE));
	}

	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 append(char 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;
	}

	@JawsStrange
	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);
	}

}