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// Copyright (c) 2011 Chan Wai Shing
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package syntaxhighlighter.brush;

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

/**
 * Ruby brush.
 * @author Chan Wai Shing 
 */
public class BrushRuby extends Brush {

  public BrushRuby() {
    super();

    // Contributed by Erik Peterson.

    String keywords = "alias and BEGIN begin break case class def define_method defined do each else elsif "
            + "END end ensure false for if in module new next nil not or raise redo rescue retry return "
            + "self super then throw true undef unless until when while yield";
    String builtins = "Array Bignum Binding Class Continuation Dir Exception FalseClass File::Stat File Fixnum Fload "
            + "Hash Integer IO MatchData Method Module NilClass Numeric Object Proc Range Regexp String Struct::TMS Symbol "
            + "ThreadGroup Thread Time TrueClass";

    List _regExpRuleList = new ArrayList();
    _regExpRuleList.add(new RegExpRule(RegExpRule.singleLinePerlComments, "comments")); // one line comments
    _regExpRuleList.add(new RegExpRule(RegExpRule.doubleQuotedString, "string")); // double quoted strings
    _regExpRuleList.add(new RegExpRule(RegExpRule.singleQuotedString, "string")); // single quoted strings
    _regExpRuleList.add(new RegExpRule("\\b[A-Z0-9_]+\\b", "constants")); // constants
    _regExpRuleList.add(new RegExpRule(":[a-z][A-Za-z0-9_]*", "color2")); // symbols
    RegExpRule _regExpRule = new RegExpRule("(\\$|@@|@)\\w+", "variable");
    _regExpRule.setBold(true);
    _regExpRuleList.add(_regExpRule); // $global, @instance, and @@class variables
    _regExpRuleList.add(new RegExpRule(getKeywords(keywords), Pattern.MULTILINE, "keyword")); // keywords
    _regExpRuleList.add(new RegExpRule(getKeywords(builtins), Pattern.MULTILINE, "color1")); // builtins
    setRegExpRuleList(_regExpRuleList);

    setHTMLScriptRegExp(HTMLScriptRegExp.phpScriptTags);

    setCommonFileExtensionList(Arrays.asList("rb", "rbw"));
  }
}