<?php
/*************************************************************************************
 * perl.php
 * --------
 * Author: Andreas Gohr (andi@splitbrain.org), Ben Keen (ben.keen@gmail.com)
 * Copyright: (c) 2004 Andreas Gohr, Ben Keen (http://www.benjaminkeen.org/), Nigel McNie (http://qbnz.com/highlighter/)
 * Release Version: 1.0.8.11
 * Date Started: 2004/08/20
 *
 * Perl language file for GeSHi.
 *
 * CHANGES
 * -------
 * 2008/06/22 (1.0.8)
 *   -  Added support for system calls in backticks (Corley Kinnane)
 * 2008/05/23 (1.0.7.22)
 *   -  Added description of extra language features (SF#1970248)
 *   -  Added comment_regexp for predefined variables
 * 2008/02/15 (1.003)
 *   -  Fixed SF#1891630 with placebo patch
 * 2006/01/05 (1.0.2)
 *   -  Used hardescape feature for ' strings (Cliff Stanford)
 * 2004/11/27 (1.0.1)
 *   -  Added support for multiple object splitters
 * 2004/08/20 (1.0.0)
 *   -  First Release
 *
 * TODO (updated 2004/11/27)
 * -------------------------
 * * LABEL:
 * * string comparison operators
 *
 *************************************************************************************
 *
 *     This file is part of GeSHi.
 *
 *   GeSHi 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
 *   (at your option) any later version.
 *
 *   GeSHi 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 GeSHi; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 ************************************************************************************/

$language_data = array (
    'LANG_NAME' => 'Perl',
    'COMMENT_SINGLE' => array(1 => '#'),
    'COMMENT_MULTI' => array(
        '=back' => '=cut',
        '=head' => '=cut',
        '=item' => '=cut',
        '=over' => '=cut',
        '=begin' => '=cut',
        '=end' => '=cut',
        '=for' => '=cut',
        '=encoding' => '=cut',
        '=pod' => '=cut'
        ),
    'COMMENT_REGEXP' => array(
        //Regular expressions
        2 => "/(?<=[\\s^])(s|tr|y)\\/(?:\\\\.|(?!\n)[^\\/\\\\])+\\/(?:\\\\.|(?!\n)[^\\/\\\\])*\\/[msixpogcde]*(?=[\\s$\\.\\;])|(?<=[\\s^(=])(m|q[qrwx]?)?\\/(?:\\\\.|(?!\n)[^\\/\\\\])+\\/[msixpogc]*(?=[\\s$\\.\\,\\;\\)])/iU",
        //Regular expression match variables
        3 => '/\$\d+/',
        //Heredoc
        4 => '/<<\s*?([\'"]?)([a-zA-Z0-9]+)\1;[^\n]*?\\n.*\\n\\2(?![a-zA-Z0-9])/siU',
        //Predefined variables
        5 => '/\$(\^[a-zA-Z]?|[\*\$`\'&_\.,+\-~:;\\\\\/"\|%=\?!@#<>\(\)\[\]])(?!\w)|@[_+\-]|%[!]|\$(?=\{)/',
        ),
    'NUMBERS' => array(
        // Includes rules for decimal, octal (0777), hexidecimal (0xDEADBEEF),
        // binary (0b101010) numbers, amended to work with underscores (since
        // Perl allows you to use underscores in number literals)
        0 => '(?:(?<![0-9a-z_\.%$@])|(?<=\.\.))(?<![\d\._]e[+\-])([1-9][\d_]*?|0)(?![0-9a-z_]|\.(?:[eE][+\-]?)?[\d_])|(?<![0-9a-z_\.%])(?<![\d\._]e[+\-])0b[01_]+?(?![0-9a-z_]|\.(?:[eE][+\-]?)?[\d_])|(?<![0-9a-z_\.])(?<![\d\._]e[+\-])0[0-7_]+?(?![0-9a-z_]|\.(?:[eE][+\-]?)?[\d_])|(?<![0-9a-z_\.])(?<![\d\._]e[+\-])0x[0-9a-fA-F_]+?(?![0-9a-z_]|\.(?:[eE][+\-]?)?[\d_])|(?<![0-9a-z_\.])(?<![\d\._]e[+\-])[\d_]+?\.[\d_]+?(?![0-9a-z_]|\.(?:[eE][+\-]?)?[\d_])',
        ),
    'CASE_KEYWORDS' => GESHI_CAPS_NO_CHANGE,
    'QUOTEMARKS' => array('"','`'),
    'HARDQUOTE' => array("'", "'"),            // An optional 2-element array defining the beginning and end of a hard-quoted string
    'HARDESCAPE' => array('\\\'',),
        // Things that must still be escaped inside a hard-quoted string
        // If HARDQUOTE is defined, HARDESCAPE must be defined
        // This will not work unless the first character of each element is either in the
        // QUOTEMARKS array or is the ESCAPE_CHAR
    'ESCAPE_CHAR' => '\\',
    'KEYWORDS' => array(
        1 => array(
            'case', 'do', 'else', 'elsif', 'for', 'if', 'then', 'until', 'while', 'foreach', 'my',
            'xor', 'or', 'and', 'unless', 'next', 'last', 'redo', 'not', 'our',
            'reset', 'continue', 'cmp', 'ne', 'eq', 'lt', 'gt', 'le', 'ge',
            ),
        2 => array(
            'use', 'sub', 'new', '__END__', '__DATA__', '__DIE__', '__WARN__', 'BEGIN',
            'STDIN', 'STDOUT', 'STDERR', 'ARGV', 'ARGVOUT'
            ),
        3 => array(
            'abs', 'accept', 'alarm', 'atan2', 'bind', 'binmode', 'bless',
            'caller', 'chdir', 'chmod', 'chomp', 'chop', 'chown', 'chr',
            'chroot', 'close', 'closedir', 'connect', 'cos',
            'crypt', 'dbmclose', 'dbmopen', 'defined', 'delete', 'die',
            'dump', 'each', 'endgrent', 'endhostent', 'endnetent', 'endprotoent',
            'endpwent', 'endservent', 'eof', 'eval', 'exec', 'exists', 'exit',
            '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', 'given', 'glob', 'gmtime', 'goto', 'grep',
            'hex', 'import', 'index', 'int', 'ioctl', 'join', 'keys', 'kill',
            'lc', 'lcfirst', 'length', 'link', 'listen', 'local',
            'localtime', 'log', 'lstat', 'm', 'map', 'mkdir', 'msgctl', 'msgget',
            'msgrcv', 'msgsnd', 'no', 'oct', 'open', 'opendir',
            'ord', 'pack', 'package', 'pipe', 'pop', 'pos', 'print',
            'printf', 'prototype', 'push', 'qq', 'qr', 'quotemeta', 'qw',
            'qx', 'q', 'rand', 'read', 'readdir', 'readline', 'readlink', 'readpipe',
            'recv', 'ref', 'rename', 'require', 'return',
            'reverse', 'rewinddir', 'rindex', 'rmdir', 's', 'say', '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', 'state',
            'study', 'substr', 'symlink', 'syscall', 'sysopen', 'sysread',
            'sysseek', 'system', 'syswrite', 'tell', 'telldir', 'tie', 'tied',
            'time', 'times', 'tr', 'truncate', 'uc', 'ucfirst', 'umask', 'undef',
            'unlink', 'unpack', 'unshift', 'untie', 'utime', 'values',
            'vec', 'wait', 'waitpid', 'wantarray', 'warn', 'when', 'write', 'y'
            )
        ),
    'SYMBOLS' => array(
        '<', '>', '=',
        '!', '@', '~', '&', '|', '^',
        '+','-', '*', '/', '%',
        ',', ';', '?', '.', ':'
        ),
    'CASE_SENSITIVE' => array(
        GESHI_COMMENTS => false,
        1 => true,
        2 => true,
        3 => true,
        ),
    'STYLES' => array(
        'KEYWORDS' => array(
            1 => 'color: #b1b100;',
            2 => 'color: #000000; font-weight: bold;',
            3 => 'color: #000066;'
            ),
        'COMMENTS' => array(
            1 => 'color: #666666; font-style: italic;',
            2 => 'color: #009966; font-style: italic;',
            3 => 'color: #0000ff;',
            4 => 'color: #cc0000; font-style: italic;',
            5 => 'color: #0000ff;',
            'MULTI' => 'color: #666666; font-style: italic;'
            ),
        'ESCAPE_CHAR' => array(
            0 => 'color: #000099; font-weight: bold;',
            'HARD' => 'color: #000099; font-weight: bold;'
            ),
        'BRACKETS' => array(
            0 => 'color: #009900;'
            ),
        'STRINGS' => array(
            0 => 'color: #ff0000;',
            'HARD' => 'color: #ff0000;'
            ),
        'NUMBERS' => array(
            0 => 'color: #cc66cc;'
            ),
        'METHODS' => array(
            1 => 'color: #006600;',
            2 => 'color: #006600;'
            ),
        'SYMBOLS' => array(
            0 => 'color: #339933;'
            ),
        'REGEXPS' => array(
            0 => 'color: #0000ff;',
            4 => 'color: #009999;',
            ),
        'SCRIPT' => array(
            )
        ),
    'URLS' => array(
        1 => '',
        2 => '',
        3 => 'http://perldoc.perl.org/functions/{FNAMEL}.html'
        ),
    'OOLANG' => true,
    'OBJECT_SPLITTERS' => array(
        1 => '-&gt;',
        2 => '::'
        ),
    'REGEXPS' => array(
        //Variable
        0 => '(?:\$[\$#]?|\\\\(?:[@%*]?|\\\\*\$|&amp;)|%[$]?|@[$]?|\*[$]?|&amp;[$]?)[a-zA-Z_][a-zA-Z0-9_]*',
        //File Descriptor
        4 => '&lt;[a-zA-Z_][a-zA-Z0-9_]*&gt;',
        ),
    'STRICT_MODE_APPLIES' => GESHI_NEVER,
    'SCRIPT_DELIMITERS' => array(
        ),
    'HIGHLIGHT_STRICT_BLOCK' => array(
        ),
    'PARSER_CONTROL' => array(
        'COMMENTS' => array(
            'DISALLOWED_BEFORE' => '$'
        )
    )
);

