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RSyntaxTextArea is the syntax highlighting text editor for Swing applications. Features include syntax highlighting for 40+ languages, code folding, code completion, regex find and replace, macros, code templates, undo/redo, line numbering and bracket matching.

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/*
 * 10/07/2012
 *
 * NsisFoldParser.java - Fold parser for NSIS.
 *
 * This library is distributed under a modified BSD license.  See the included
 * LICENSE file for details.
 */
package org.fife.ui.rsyntaxtextarea.folding;

import java.util.ArrayList;
import java.util.List;
import java.util.Stack;

import javax.swing.text.BadLocationException;

import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.Token;


/**
 * A fold parser NSIS.
 *
 * Note that this class may impose somewhat of a performance penalty on large
 * source files, since it parses the entire document each time folds are
 * reevaluated.
 *
 * @author Robert Futrell
 * @version 1.0
 */
public class NsisFoldParser implements FoldParser {

	private static final char[] KEYWORD_FUNCTION		= "Function".toCharArray();
	private static final char[] KEYWORD_FUNCTION_END	= "FunctionEnd".toCharArray();
	private static final char[] KEYWORD_SECTION			= "Section".toCharArray();
	private static final char[] KEYWORD_SECTION_END		= "SectionEnd".toCharArray();

	private static final char[] C_MLC_END = "*/".toCharArray();


	private static boolean foundEndKeyword(char[] keyword, Token t,
			Stack endWordStack) {
		return t.is(Token.RESERVED_WORD, keyword) && !endWordStack.isEmpty() &&
			keyword==endWordStack.peek();
	}


	@Override
	public List getFolds(RSyntaxTextArea textArea) {

		List folds = new ArrayList<>();

		Fold currentFold = null;
		int lineCount = textArea.getLineCount();
		boolean inMLC = false;
		int mlcStart = 0;
		Stack endWordStack = new Stack<>();

		try {

			for (int line=0; line