<?php

function add_file_to_list($n,$nn){

  global $names,$nNames,$i;         

  if(!in_array($n,$names)){

    $names[$i]=$n;

    $nNames[$i]=$nn;

    $i++;

  }       

}

function add_file_to_list2($n,$nn){

  global $tnames,$tnNames,$u;         

  if(!in_array($n,$tnames)){

    $tnames[$u]=$n;

    $tnNames[$u]=$nn;

    $u++;

  }        

}

function renameFiles($path,$prefix,array $ext){

  $dr = opendir($path); 

  $names = array();

  $nNames = array();

  while (($file = readdir($dr)) !== false) { 

    if($file != "." && $file != "..") {

      if(is_dir($path.'/'.$file)){

        renameFiles($path.'/'.$file,$prefix,$ext);

      }else{

        if(in_array(strtolower(substr($file,strpos($file,'.')+1)),$ext)){

          if(strpos($file,$prefix)===false){                                                  

            rename($path.'/'.$file,$path.'/'.$prefix.$file);

            //print $file.'=>'.$prefix.$file.'<br />';

            if(strtolower(substr($file,strpos($file,'.')+1))=='rsc'){

              add_file_to_list2($file,$prefix.$file);

            }

            add_file_to_list($file,$prefix.$file);

          }

        }

      }

    } 

  } 

  closedir($dr);

  //print_r($names);

  //print_r($nNames);

}

function replaceFileNameIn($path,$name,$nName,$ext){

  $dh = opendir($path); 

  while (($file = readdir($dh)) !== false) { 

    if($file != "." && $file != "..") { 

      if(is_dir($path.'/'.$file)){

        replaceFileNameIn($path.'/'.$file,$name,$nName,$ext); 

      }else{

        if(!in_array(strtolower(substr($file,strpos($file,'.')+1)),$ext)){

          $c = file_get_contents($path.'/'.$file);

          foreach($name as $k=>$v){

            $c = preg_replace('^("|<)('.$name[$k].')^','$1'.$nName[$k].'$3',$c);//("|>)

          }

          //print '<i>'.$file.'</i><br><pre>'.$c.'</pre>';

          file_put_contents($path.'/'.$file,$c);

        }

      }

    } 

  } 

  closedir($dh); 

}

function replaceFileNames2In($path,$name,$nName,$ext,$prefix){

  Global $prefix; 

  $dh = opendir($path); 

  while (($file = readdir($dh)) !== false) { 

    if($file != "." && $file != "..") { 

      if(is_dir($path.'/'.$file)){

        replaceFileNames2In($path.'/'.$file,$name,$nName,$ext,$prefix); 

      }else{

        if(in_array(strtolower(substr($file,strpos($file,'.')+1)),$ext)){

          $c = file_get_contents($path.'/'.$file);

          $t = preg_match_all('^TARGET\x20+((.*))\x0A^',$c,$matches);

          //$c = preg_replace('^(TARGET\x20+)^  ','$1'.$prefix,$c);//add prefix to target name

          if($t>0){

            //$matches[0]=null;

            foreach($matches[1] as $k=>$v){

              if(preg_match('^'.$prefix.'^',$v)==0){

                if(strtolower(substr($v,strpos($v,'.')+1))=='dll'){

                  $a = str_replace('.dll','.lib',$v);

                  add_file_to_list2($a,$prefix.$a);

                }                                   

                add_file_to_list2($v,$prefix.$v);

              }

            }         

          }

          foreach($name as $k=>$v){

            $c =  preg_replace('^(\x2F|\x28|\x20|\x09)('.$name[$k].')^','$1'.$nName[$k].'$3',$c);//(\x20|\x29|\x0A|\x09)

          }

          //print '<i>'.$file.'</i><br><pre>'.$c.'</pre>';

          file_put_contents($path.'/'.$file,$c);

        }

      }

    } 

  } 

  closedir($dh); 

}

function replaceFileNames3In($path,$name,$nName,$ext){

  $dh = opendir($path); 

  while (($file = readdir($dh)) !== false) { 

    if($file != "." && $file != "..") { 

      if(is_dir($path.'/'.$file)){

        replaceFileNames3In($path.'/'.$file,$name,$nName,$ext); 

      }else{

        //if(in_array(strtolower(substr($file,strpos($file,'.')+1)),$ext)){

          $c = file_get_contents($path.'/'.$file);

          //foreach($name as $k=>$v){

             //$c = preg_replace('^(\x2F|\x28|\x20|\x09)('.$name.')^','$1'.$nName,$c);

             $c = str_replace($name,$nName,$c);

          //}

          //print '<i>'.$file.'</i><br><pre>'.$c.'</pre>';

          file_put_contents($path.'/'.$file,$c);

        //}

      }

    } 

  } 

  closedir($dh); 

}

function display_files($path){

  $dh = opendir($path); 

  while (($file = readdir($dh)) !== false) { 

    if($file != "." && $file != "..") { 

      if(is_dir($path.'/'.$file)){

        display_files($path.'/'.$file); 

      }else{

        $c = file_get_contents($path.'/'.$file);

        print '<i>'.$file.'</i><br><pre>'.$c.'</pre>';

      }

    } 

  } 

}

//***** Used for storing edited files data ****************************

$names= array();  //original names

$nNames=array();  //edited names

$i=0;             //number of edited files

$tnames= array();  //original target names

$tnNames=array();  //edited target names

$u=0;             //number of edited files

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

$root = 'sfr'; //source root

chdir($root);  //change current working directory

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

$folder_to_check_for_renamed_files = 'homescreensrv/hs_app_idlefw';

$folder_to_rename = 'homescreensrv/hs_app_idlefw/';

$prefix = 'hs_app_';

$ext = array('h','cpp','inl','rss','loc','def','rh','hrh','lib','iby'); //extensions of the files that needs to be renamed.

$ext2 = array('inf','mmp'); //extensions for which method 2 is used to search and replace filenames in certain file.

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

Renames all the files in specified folder if the extension is found in array $ext.

Edited files original names are stored in $names array, modified names in $nNames array.

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

renameFiles($folder_to_rename,$prefix,$ext);

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

This opens every file (if its extension is found in $ext array) located in specified folder and

searches for each edited file's original name and replaces with edited vesrion.

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

replaceFileNameIn($folder_to_check_for_renamed_files,$names,$nNames,$ext2);

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

This opens every file (if its extension is found in $ext2 array) located in specified folder and

searches for each edited file's original name and replaces with edited vesrion.

It alsoe adds prefix for 'TARGET' name

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

replaceFileNames2In($folder_to_check_for_renamed_files,$names,$nNames,$ext2,$prefix);

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

This opens every file if its extension is found in $ext array.

It attempts to replace all renamed TARGET files(e.g. homescreen.exe,aifw.dll) with names with prefix(e.g. hs_app_homescreen.exe);

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

replaceFileNames3In($folder_to_check_for_renamed_files,$tnames,$tnNames,$ext);

print '<b>************************************************************************************************************************</b><br/>';

foreach($names as $k=>$v){

  print '<i>'.$v.'</i> <b>=></b> <i>'.$nNames[$k].'</i><br>';    

}

print '<b>************************************************************************************************************************</b><br/>';

foreach($tnames as $k=>$v){

  print '<i>'.$v.'</i> <b>=></b> <i>'.$tnNames[$k].'</i><br>';    

}

display_files($folder_to_check_for_renamed_files);

?>