MagicConfig.php

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<?
 
/*
 
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
(at your option) 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
 
*/
 
class MagicConfig
{
        function MagicConfig()
        {
                $this->separator = ".";
 
                $this->extensions = array(
                        "a"     => "ada95",
                        "ada"   => "ada95",
                        "adb"   => "ada95",
                        "ads"   => "ada95",
                        "asm"   => "asm_x86",
                        "asp"   => "jscript|vb|vbdotnet",
                        "awk"   => "awk",
                        "bas"   => "vb|vbdotnet",
                        "c"     => "c",
                        "cbl"   => "cobol",
                        "cls"   => "vb|vbdotnet",
                        "cob"   => "cobol",
                        "cpy"   => "cobol",
                        "cpp"   => "cpp",
                        "cs"    => "csharp",
                        "cxx"   => "cpp",
                        "dat"   => "mumps",
                        "dpr"   => "delphi",
                        "e"     => "eiffel|euphoria",
                        "ew"    => "euphoria",
                        "eu"    => "euphoria",
                        "ex"    => "euphoria",
                        "exw"   => "euphoria",
                        "exu"   => "euphoria",
                        "frm"   => "vb|vbdotnet",
                        "h"     => "c", 
                        "hpp"   => "cpp",
                        "inc"   => "turbopascal|vb|vbdotnet",
                        "java"  => "javaswing",
                        "js"    => "jscript|javascript",
                        "lsp"   => "lisp",
                        "m"     => "mumps",
                        "pas"   => "delphi|turbopascal",
                        "php"   => "php3",
                        "php3"  => "php3",
                        "php4"  => "php3",
                        "pl"    => "perl",
                        "pm"    => "perl",
                        "py"    => "python",
                        "pyc"   => "python",
                        "rtn"   => "mumps",
                        "scm"   => "scheme",
                        "vb"    => "vb|vbdotnet",
                        "vbs"   => "vb|vbdotnet|vbscript",
                        "wsf"   => "vbscript"
                );
                
                $this->langfunctions = array(
                        // ASCII
                        // --- Languages
                        "awk",
                        "bash",
                        "perl",
                        "rc",
                        "env",
                        "cpp",
                        "diff",
                        "xdiff",
                        "swf",
                        "psfont",
                        "lex",
                        "lisp",
                        "magic",
                        "mime",
                        // --- Markup
                        "postscript",
                        "rtf",
                        "html",
                        "xml",
                        "sgml",
                        // --- Generic tests
                        "genericshell");
                        
                $this->binfunctions = array(
                        // Binary
                        // --- Images
                        "gif",
                        "jpeg",
                        "png",
                        "bmp",
                        "tif"
                        // --- Compressed
                );
        }
        
        function detect_cpp()
        {
                return !(strpos($this->file, "//") === false);
        }
        
        function detect_awk()
        {
                if (preg_match("/^#!\s+\/bin\/nawk/", $this->file)
                        || preg_match("/^#!\s+\/bin\/nawk/", $this->file)               
                        || preg_match("/^#!\s+\/usr\/bin\/nawk/", $this->file)          
                        || preg_match("/^#!\s+\/usr\/local\/bin\/nawk/", $this->file)   
                        || preg_match("/^#!\s+\/bin\/gawk/", $this->file)               
                        || preg_match("/^#!\s+\/usr\/bin\/gawk/", $this->file)          
                        || preg_match("/^#!\s+\/usr\/local\/bin\/gawk/", $this->file) 
                        || preg_match("/^#!\s+\/bin\/awk/", $this->file)                
                        || preg_match("/^#!\s+\/usr\/bin\/awk/", $this->file)           
                        || preg_match("/^BEGIN\s+/", $this->file)) return true; 
                else return false;
        }
        
        function detect_perl()
        {
                if (preg_match("/^#!\s+\/bin\/perl/", $this->file)
                        || preg_match("/^eval\s+\"exec\s+\/bin\/perl/", $this->file)
                        || preg_match("/^#!\s+\/usr\/bin\/perl/", $this->file)
                        || preg_match("/^eval\s+\"exec\s+\/usr\/bin\/perl/", $this->file)
                        || preg_match("/^#!\s+\/usr\/local\/bin\/perl/", $this->file)
                        || preg_match("/^eval\s+\"exec\s+\/usr\/local\/bin\/perl/", $this->file)) return true;
                else return false;
        }
        
        function detect_bash()
        {
                if (preg_match("/^#!\s+\/bin\/bash/", $this->file) 
                        || preg_match("/^#!\s+\/usr\/local\/bin\/bash/", $this->file)) return true;
                else return false;
        }
        
        function detect_rc()
        {
                if (preg_match("/^#!\s+\/bin\/rc/", $this->file)) return true;
                else return false;
        }
        
        function detect_env()
        {
                if (preg_match("/^#!\s*\/usr\/bin\/env/", $this->file)) return true;
                else return false;
        }
        
        function detect_genericshell()
        {
                if (preg_match("/^#!/", $this->file)) return true;
                else return false;
        }
        
        function detect_diff()
        {
                if (preg_match("/^diff\s+/", $this->file)
                        || preg_match("/^\*\*\*\s+/", $this->file)
                        || preg_match("/^Only\s+in\s+/", $this->file)
                        || preg_match("/^Common\s+subdirectories:\s+/", $this->file)) return true;
                else return false;
        }
        
        function detect_xdiff()
        {
                if (preg_match("/^%XDZ/", $this->file)) return true;
                else return false;
        }
        
        function detect_swf()
        {
                if (preg_match("/^FWS/", $this->file)) return true;
                else return false;
        }
        
        function detect_psfont()
        {
                if (preg_match("/^(.*?)PS-AdobeFont-1\.0/", $this->file)) return true;
                else return false;
        }
        
        function detect_lex()
        {
                if (substr($this->file, 53, 10)=="yyprevious"
                        || substr($this->file, 21, 17)=="generated by flex") return true;
                else return false;
        }
        
        function detect_lisp()
        {
                return !(strpos($this->file, ";;") === false);
        }
        
        function detect_magic()
        {
                return preg_match("/^#\s+Magic/", $this->file);
        }
        
        function detect_mime()
        {
                return preg_match("/^Content-Type:/", $this->file);
        }
        
        function detect_postscript()
        {
                return (substr($this->file, 0, 2)=="%!" || substr($this->file, 0, 3)==(string)(4)."%!");
        }
        
        function detect_rtf()
        {
                return substr($this->file, 0, 5)=="{\\rtf";
        }
        
        function detect_html()
        {
                if (preg_match("/\s*<!doctype\s+html/", $this->file)
                        || preg_match("/\s*<head/", $this->file)
                        || preg_match("/\s*<title/", $this->file)
                        || preg_match("/\s*<html/", $this->file)) return true;
                else return false;
        }
        
        function detect_xml()
        {
                if (preg_match("/\s*<\?xml/", $this->file)) return true; 
                else return false;
        }
        
        function detect_sgml()
        {
                if (preg_match("/\s*<!doctype/", $this->file)
                        || preg_match("/\s*<!subdoc/", $this->file)
                        || preg_match("/\s*<!--/", $this->file)) return true;
                else return false;
        }
        
        // --- Images
        
        function detect_gif()
        {
                return (substr($this->file, 0, 6) == "GIF89a");
        }
        
        function detect_jpeg()
        {
                return !(strpos(substr($this->file, 0, 16), "JFIF") === false);
        }
 
        function detect_png()
        {       
                $arr = unpack("C*", $this->file);
                if (sizeof($arr)<9) return false;
                return ($arr[1] == 0x89 && $arr[2] == 0x50
                                && $arr[3] == 0x4E && $arr[4] == 0x47
                                && $arr[5] == 0x0D && $arr[6] == 0x0A
                                && $arr[7] == 0x1A && $arr[8] == 0x0A);
        }
 
        function detect_bmp()
        {
                return (substr($this->file, 0, 2) == "BM");
        }
 
        function detect_tif()
        {
                return ((substr($this->file, 0, 2) == "MM") || (substr($this->file, 0, 2) == "II"));
        }
}
 
 
 
?>