unixshelltokenmaker.java

具有不同语法高亮的编辑器实例

/*
 * 03/16/2004
 *
 * UnixShellTokenMaker.java - Scanner for UNIX shell scripts.
 * Copyright (C) 2004 Robert Futrell
 * [e-mail]
 * www.website.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.fife.ui.rsyntaxtextarea.modes;

import javax.swing.text.Segment;

import org.fife.ui.rsyntaxtextarea.*;


/**
 * A token maker that turns text into a linked list of <code>Token</code>s
 * for syntax highlighting UNIX shell scripts.
 *
 * @author Robert Futrell
 * @version 0.1
 */
public class UnixShellTokenMaker extends AbstractTokenMaker {

	protected final String operators = "=|><&";
	protected final String separators = "()[]";
	protected final String separators2 = ".,;";			// Characters you don't want syntax highlighted but separate identifiers.
	protected final String shellVariables = "#-?$!*@_";	// Characters that are part of "$<char>" shell variables; e.g., "$_".


	private int currentTokenStart;
	private int currentTokenType;


/*****************************************************************************/


	/**
	 * Constructor.
	 */
	public UnixShellTokenMaker() {
		super();	// Initializes tokensToHighlight.
	}


/*****************************************************************************/


	/**
	 * Checks the token to give it the exact ID it deserves before
	 * being passed up to the super method.
	 *
	 * @param segment <code>Segment</code> to get text from.
	 * @param start Start offset in <code>segment</code> of token.
	 * @param end End offset in <code>segment</code> of token.
	 * @param tokenType The token's type.
	 * @param startOffset The offset in the document at which the token occurs.
	 */
	public void addToken(Segment segment, int start, int end, int tokenType, int startOffset) {

		switch (tokenType) {
			// Since reserved words, functions, and data types are all passed into here
			// as "identifiers," we have to see what the token really is...
			case Token.IDENTIFIER:
				int value = wordsToHighlight.get(segment, start,end);
				if (value!=-1)
					tokenType = value;
				break;
			case Token.WHITESPACE:
			case Token.SEPARATOR:
			case Token.OPERATOR:
			case Token.LITERAL_NUMBER_DECIMAL_INT:
			case Token.LITERAL_STRING_DOUBLE_QUOTE:
			case Token.LITERAL_CHAR:
			case Token.LITERAL_BACKQUOTE:
			case Token.COMMENT_EOL:
			case Token.PREPROCESSOR:
			case Token.VARIABLE:
				break;

			default:
				System.err.println("Unknown tokenType in UnixShellTokenMaker.addToken: '" + tokenType + "'");
				System.exit(0);

		}

		super.addToken(segment, start, end, tokenType, startOffset);

	}


/*****************************************************************************/


	/**
	 * Returns the words to highlight for UNIX shell scripts.
	 *
	 * @return A <code>TokenMap</code> containing the words to highlight for
	 *         UNIX shell scripts.
	 * @see org.fife.ui.rsyntaxtextarea.AbstractTokenMaker#getWordsToHighlight
	 */
	public TokenMap getWordsToHighlight() {

		TokenMap tokenMap = new TokenMap();

		int reservedWord = Token.RESERVED_WORD;
		tokenMap.put("case",				reservedWord);
		tokenMap.put("do",				reservedWord);
		tokenMap.put("done",				reservedWord);
		tokenMap.put("elif",				reservedWord);
		tokenMap.put("else",				reservedWord);
		tokenMap.put("esac",				reservedWord);
		tokenMap.put("fi",				reservedWord);
		tokenMap.put("if",				reservedWord);
		tokenMap.put("in",				reservedWord);
		tokenMap.put("select",			reservedWord);
		tokenMap.put("then",				reservedWord);
		tokenMap.put("until",			reservedWord);
		tokenMap.put("while",			reservedWord);

		int function = Token.FUNCTION;
		tokenMap.put("addbib",			function);
		tokenMap.put("admin",			function);
		tokenMap.put("alias",			function);
		tokenMap.put("apropos",			function);
		tokenMap.put("ar",			function);
		tokenMap.put("at",				function);
		tokenMap.put("awk",			function);
		tokenMap.put("banner",			function);
		tokenMap.put("basename",			function);
		tokenMap.put("batch",			function);
		tokenMap.put("biff",			function); 
		tokenMap.put("bin-mail",			function);
		tokenMap.put("binmail",			function);
		tokenMap.put("cal",			function); 
		tokenMap.put("calendar",			function); 
		tokenMap.put("cancel",			function); 
		tokenMap.put("cat",			function); 
		tokenMap.put("cb",			function); 
		tokenMap.put("cc",			function); 
		tokenMap.put("cd",			function);
		tokenMap.put("cdc",			function); 
		tokenMap.put("chdir",			function); 
		tokenMap.put("checkeq",		function);
		tokenMap.put("checknr",			function); 
		tokenMap.put("chfn",			function);
		tokenMap.put("chgrp",			function); 
		tokenMap.put("chmod",			function); 
		tokenMap.put("chown",			function); 
		tokenMap.put("chsh",			function);
		tokenMap.put("clear",			function); 
		tokenMap.put("cmp",			function); 
		tokenMap.put("colcrt",			function); 
		tokenMap.put("comb",			function); 
		tokenMap.put("comm",			function);
		tokenMap.put("compress",			function);
		tokenMap.put("continue",			function);
		tokenMap.put("cp",			function); 
		tokenMap.put("cpio",			function); 
		tokenMap.put("cpp",			function); 
		tokenMap.put("csh",			function); 
		tokenMap.put("ctags",			function); 
		tokenMap.put("date",			function); 
		tokenMap.put("dbx",			function); 
		tokenMap.put("delta",			function); 
		tokenMap.put("deroff",			function); 
		tokenMap.put("df",			function); 
		tokenMap.put("diff",			function); 
		tokenMap.put("dtree",			function); 
		tokenMap.put("du",			function); 
		tokenMap.put("e",			function); 
		tokenMap.put("echo",			function); 
		tokenMap.put("ed",			function);
		tokenMap.put("edit",			function);
		tokenMap.put("enscript",		function); 
		tokenMap.put("eqn",			function);
		tokenMap.put("error",		function);
		tokenMap.put("ex",			function);
		tokenMap.put("exit",			function);
		tokenMap.put("expand",		function);
		tokenMap.put("expr",			function); 
		tokenMap.put("false",			function); 
		tokenMap.put("file",			function);
		tokenMap.put("find",			function); 
		tokenMap.put("finger",			function); 
		tokenMap.put("fmt",			function);
		tokenMap.put("fmt_mail",			function); 
		tokenMap.put("fold",			function); 
		tokenMap.put("ftp",			function);
		tokenMap.put("function",		function);
		tokenMap.put("gcore",			function); 
		tokenMap.put("get",			function); 
		tokenMap.put("gprof",			function); 
		tokenMap.put("grep",			function); 
		tokenMap.put("groups",			function); 
		tokenMap.put("gunzip",			function); 
		tokenMap.put("gzip",			function); 
		tokenMap.put("hashcheck",			function);
		tokenMap.put("hashmake",			function);
		tokenMap.put("head",			function); 
		tokenMap.put("help",			function); 
		tokenMap.put("history",			function); 
		tokenMap.put("imake",			function); 
		tokenMap.put("indent",			function); 
		tokenMap.put("install",			function); 
		tokenMap.put("join",			function); 
		tokenMap.put("kill",			function); 
		tokenMap.put("last",			function); 
		tokenMap.put("ld",			function);
		tokenMap.put("leave",			function); 
		tokenMap.put("less",			function); 
		tokenMap.put("lex",			function); 
		tokenMap.put("lint",			function); 
		tokenMap.put("ln",			function); 
		tokenMap.put("login",			function); 
		tokenMap.put("look",			function); 
		tokenMap.put("lookbib",			function); 
		tokenMap.put("lorder",			function); 
		tokenMap.put("lp",			function);
		tokenMap.put("lpq",			function); 
		tokenMap.put("lpr",			function); 
		tokenMap.put("lprm",			function); 
		tokenMap.put("ls",			function); 
		tokenMap.put("mail",			function);
		tokenMap.put("Mail",			function); 
		tokenMap.put("make",			function); 
		tokenMap.put("man",			function); 
		tokenMap.put("md",			function); 
		tokenMap.put("mesg",			function); 
		tokenMap.put("mkdir",		function);
		tokenMap.put("mkstr",			function); 
		tokenMap.put("more",			function);
		tokenMap.put("mv",			function); 
		tokenMap.put("nawk",			function); 
		tokenMap.put("neqn",			function);
		tokenMap.put("nice",			function); 
		tokenMap.put("nm",			function); 
		tokenMap.put("nroff",			function); 
		tokenMap.put("od",			function); 
		tokenMap.put("page",			function); 
		tokenMap.put("passwd",			function); 
		tokenMap.put("paste",			function); 
		tokenMap.put("pr",			function);
		tokenMap.put("print",		function);
		tokenMap.put("printenv",			function); 
		tokenMap.put("prof",			function); 
		tokenMap.put("prs",			function); 
		tokenMap.put("prt",			function); 
		tokenMap.put("ps",			function); 
		tokenMap.put("ptx",			function); 
		tokenMap.put("pwd",			function); 
		tokenMap.put("quota",			function); 
		tokenMap.put("ranlib",			function); 
		tokenMap.put("rcp",			function); 
		tokenMap.put("rcs",			function); 
		tokenMap.put("rcsdiff",			function);
		tokenMap.put("read",			function);
		tokenMap.put("red",			function);
		tokenMap.put("return",		function);
		tokenMap.put("rev",			function); 
		tokenMap.put("rlogin",			function); 
		tokenMap.put("rm",			function);
		tokenMap.put("rmdel",			function); 
		tokenMap.put("rmdir",			function); 
		tokenMap.put("roffbib",			function); 
		tokenMap.put("rsh",			function); 
		tokenMap.put("rup",			function);
		tokenMap.put("ruptime",			function);
		tokenMap.put("rusers",			function); 
		tokenMap.put("rwall",			function); 
		tokenMap.put("rwho",			function); 
		tokenMap.put("sact",			function); 
		tokenMap.put("sccs",			function); 
		tokenMap.put("sccsdiff",			function);
		tokenMap.put("script",			function); 
		tokenMap.put("sed",			function);
		tokenMap.put("set",			function);
		tokenMap.put("sh",			function);
		tokenMap.put("shift",		function);
		tokenMap.put("size",			function); 
		tokenMap.put("sleep",			function); 
		tokenMap.put("sort",			function); 
		tokenMap.put("sortbib",			function); 
		tokenMap.put("spell",		function);
		tokenMap.put("split",			function); 
		tokenMap.put("strings",			function); 
		tokenMap.put("strip",			function); 
		tokenMap.put("stty",			function); 
		tokenMap.put("su",			function); 
		tokenMap.put("symorder",			function); 
		tokenMap.put("tabs",			function); 
		tokenMap.put("tail",			function); 
		tokenMap.put("talk",			function); 
		tokenMap.put("tar",			function); 
		tokenMap.put("tbl",			function); 
		tokenMap.put("tee",			function); 
		tokenMap.put("telnet",			function); 
		tokenMap.put("test",			function); 
		tokenMap.put("tftp",			function); 
		tokenMap.put("time",			function); 
		tokenMap.put("touch",			function); 
		tokenMap.put("troff",			function); 
		tokenMap.put("true",			function);
		tokenMap.put("tsort",			function); 
		tokenMap.put("tty",			function); 
		tokenMap.put("type",			function);
		tokenMap.put("typeset",		function);
		tokenMap.put("ue",			function); 
		tokenMap.put("ul",			function); 
		tokenMap.put("uncompress",			function); 
		tokenMap.put("unexpand",		function);
		tokenMap.put("unget",			function);
		tokenMap.put("unifdef",			function); 
		tokenMap.put("uniq",			function); 
		tokenMap.put("units",			function);
		tokenMap.put("unset",			function);
		tokenMap.put("uptime",			function); 
		tokenMap.put("users",			function); 
		tokenMap.put("uucp",			function);
		tokenMap.put("uudecode",			function);
		tokenMap.put("uuencode",			function);
		tokenMap.put("uulog",			function);
		tokenMap.put("uuname",			function);
		tokenMap.put("uusend",			function); 
		tokenMap.put("uux",			function); 
		tokenMap.put("vacation",			function); 
		tokenMap.put("val",			function); 
		tokenMap.put("vedit",			function); 
		tokenMap.put("vgrind",			function); 
		tokenMap.put("vi",			function);
		tokenMap.put("view",			function);
		tokenMap.put("vtroff",			function); 
		tokenMap.put("w",			function); 
		tokenMap.put("wait",			function); 
		tokenMap.put("wall",			function); 
		tokenMap.put("wc",			function); 
		tokenMap.put("what",			function); 
		tokenMap.put("whatis",			function); 
		tokenMap.put("whereis",			function); 
		tokenMap.put("which",			function); 
		tokenMap.put("who",			function); 
		tokenMap.put("whoami",			function); 
		tokenMap.put("write",			function); 
		tokenMap.put("xargs",			function); 
		tokenMap.put("xstr",			function); 
		tokenMap.put("yacc",			function); 
		tokenMap.put("yes",			function);