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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;

/**
 * Perl brush.
 * @author Chan Wai Shing 
 */
public class BrushPerl extends Brush {

  public BrushPerl() {
    super();

    // Contributed by David Simmons-Duffin and Marty Kube

    String funcs = "abs accept alarm atan2 bind binmode chdir chmod chomp chop chown chr "
            + "chroot close closedir connect cos crypt defined delete each endgrent "
            + "endhostent endnetent endprotoent endpwent endservent eof exec exists "
            + "exp fcntl fileno flock fork format formline getc getgrent getgrgid "
            + "getgrnam gethostbyaddr gethostbyname gethostent getlogin getnetbyaddr "
            + "getnetbyname getnetent getpeername getpgrp getppid getpriority "
            + "getprotobyname getprotobynumber getprotoent getpwent getpwnam getpwuid "
            + "getservbyname getservbyport getservent getsockname getsockopt glob "
            + "gmtime grep hex index int ioctl join keys kill lc lcfirst length link "
            + "listen localtime lock log lstat map mkdir msgctl msgget msgrcv msgsnd "
            + "oct open opendir ord pack pipe pop pos print printf prototype push "
            + "quotemeta rand read readdir readline readlink readpipe recv rename "
            + "reset reverse rewinddir rindex rmdir scalar seek seekdir select semctl "
            + "semget semop send setgrent sethostent setnetent setpgrp setpriority "
            + "setprotoent setpwent setservent setsockopt shift shmctl shmget shmread "
            + "shmwrite shutdown sin sleep socket socketpair sort splice split sprintf "
            + "sqrt srand stat study substr symlink syscall sysopen sysread sysseek "
            + "system syswrite tell telldir time times tr truncate uc ucfirst umask "
            + "undef unlink unpack unshift utime values vec wait waitpid warn write";
    String keywords = "bless caller continue dbmclose dbmopen die do dump else elsif eval exit "
            + "for foreach goto if import last local my next no our package redo ref "
            + "require return sub tie tied unless untie until use wantarray while";

    List _regExpRuleList = new ArrayList();
    _regExpRuleList.add(new RegExpRule("#[^!].*$", Pattern.MULTILINE, "comments"));
    _regExpRuleList.add(new RegExpRule("^\\s*#!.*$", Pattern.MULTILINE, "preprocessor")); // shebang
    _regExpRuleList.add(new RegExpRule(RegExpRule.doubleQuotedString, "string"));
    _regExpRuleList.add(new RegExpRule(RegExpRule.singleQuotedString, "string"));
    _regExpRuleList.add(new RegExpRule("(\\$|@|%)\\w+", "variable"));
    _regExpRuleList.add(new RegExpRule(getKeywords(funcs), Pattern.MULTILINE | Pattern.CASE_INSENSITIVE, "functions"));
    _regExpRuleList.add(new RegExpRule(getKeywords(keywords), Pattern.MULTILINE, "keyword"));
    setRegExpRuleList(_regExpRuleList);

    setHTMLScriptRegExp(HTMLScriptRegExp.phpScriptTags);

    setCommonFileExtensionList(Arrays.asList("pl", "pm", "t"));
  }
}