pcltar.lib.php

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  //	relative to $p_path.
  //	If a directory is sp锟絚ified in the list, all the files from this directory
  //	will be extracted.
  //	If a file with the same name already exists it will be replaced.
  //	If the path to the file does not exist, it will be created.
  //	Depending on the $p_tarname extension (.tar, .tar.gz or .tgz) the
  //	function will determine the type of the archive.
  // Parameters :
  //	$p_tarname : Name of an existing tar file
  //	$p_filelist : An array containing file or directory names, or
  //				 a string containing one filename or directory name, or
  //				 a string containing a list of filenames and/or directory
  //				 names separated by spaces.
  //	$p_path : Path where the files will be extracted. The files will use
  //			 their memorized path from $p_path.
  //			 If $p_path is "", files will be extracted in "./".
  //	$p_remove_path : Path to remove (from the file memorized path) while writing the
  //					extracted files. If the path does not match the file path,
  //					the file is extracted with its memorized path.
  //					$p_path and $p_remove_path are commulative.
  //	$p_mode : 'tar' or 'tgz', if not set, will be determined by $p_tarname extension
  // Return Values :
  //	Same as PclTarList()
  // --------------------------------------------------------------------------------
  function PclTarExtractList($p_tarname, $p_filelist, $p_path="./", $p_remove_path="", $p_mode="")
  {
	TrFctStart(__FILE__, __LINE__, "PclTarExtractList", "tar=$p_tarname, list, path=$p_path, remove_path='$p_remove_path', mode='$p_mode'");
	$v_result=1;

	// ----- Extract the tar format from the extension
	if (($p_mode == "") || (($p_mode!="tar") && ($p_mode!="tgz")))
	{
	  if (($p_mode = PclTarHandleExtension($p_tarname)) == "")
	  {
		// ----- Return
		TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
		return 0;
	  }
	}

	// ----- Look if the $p_filelist is really an array
	if (is_array($p_filelist))
	{
	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleExtract($p_tarname, $p_filelist, $p_list, "partial", $p_path, $v_tar_mode, $p_remove_path)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Look if the $p_filelist is a string
	else if (is_string($p_filelist))
	{
	  // ----- Create a list with the elements from the string
	  $v_list = explode(" ", $p_filelist);

	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleExtract($p_tarname, $v_list, $p_list, "partial", $p_path, $v_tar_mode, $p_remove_path)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Invalid variable
	else
	{
	  // ----- Error log
	  PclErrorLog(-3, "Invalid variable type p_filelist");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return 0;
	}

	// ----- Return
	TrFctEnd(__FILE__, __LINE__, $p_list);
	return $p_list;
  }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : PclTarExtractIndex()
  // Description :
  //	Extract the files present in the archive $p_tarname and specified at
  //	the indexes in $p_index, in the directory
  //	$p_path. The relative path of the archived files are keep and become
  //	relative to $p_path.
  //	If a directory is specified in the list, the directory only is created. All
  //	the file stored in this archive for this directory
  //	are not extracted.
  //	If a file with the same name already exists it will be replaced.
  //	If the path to the file does not exist, it will be created.
  //	Depending on the $p_tarname extension (.tar, .tar.gz or .tgz) the
  //	function will determine the type of the archive.
  // Parameters :
  //	$p_tarname : Name of an existing tar file
  //	$p_index : A single index (integer) or a string of indexes of files to
  //			  extract. The form of the string is "0,4-6,8-12" with only numbers
  //			  and '-' for range or ',' to separate ranges. No spaces or ';'
  //			  are allowed.
  //	$p_path : Path where the files will be extracted. The files will use
  //			 their memorized path from $p_path.
  //			 If $p_path is "", files will be extracted in "./".
  //	$p_remove_path : Path to remove (from the file memorized path) while writing the
  //					extracted files. If the path does not match the file path,
  //					the file is extracted with its memorized path.
  //					$p_path and $p_remove_path are commulative.
  //	$p_mode : 'tar' or 'tgz', if not set, will be determined by $p_tarname extension
  // Return Values :
  //	Same as PclTarList()
  // --------------------------------------------------------------------------------
  function PclTarExtractIndex($p_tarname, $p_index, $p_path="./", $p_remove_path="", $p_mode="")
  {
	TrFctStart(__FILE__, __LINE__, "PclTarExtractIndex", "tar=$p_tarname, index='$p_index', path=$p_path, remove_path='$p_remove_path', mode='$p_mode'");
	$v_result=1;

	// ----- Extract the tar format from the extension
	if (($p_mode == "") || (($p_mode!="tar") && ($p_mode!="tgz")))
	{
	  if (($p_mode = PclTarHandleExtension($p_tarname)) == "")
	  {
		// ----- Return
		TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
		return 0;
	  }
	}

	// ----- Look if the $p_index is really an integer
	if (is_integer($p_index))
	{
	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleExtractByIndexList($p_tarname, "$p_index", $p_list, $p_path, $p_remove_path, $v_tar_mode)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Look if the $p_filelist is a string
	else if (is_string($p_index))
	{
	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleExtractByIndexList($p_tarname, $p_index, $p_list, $p_path, $p_remove_path, $v_tar_mode)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Invalid variable
	else
	{
	  // ----- Error log
	  PclErrorLog(-3, "Invalid variable type $p_index");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return 0;
	}

	// ----- Return
	TrFctEnd(__FILE__, __LINE__, $p_list);
	return $p_list;
  }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : PclTarDelete()
  // Description :
  //	This function deletes from the archive $p_tarname the files which are listed
  //	in $p_filelist. $p_filelist can be a string with file names separated by
  //	spaces, or an array containing the file names.
  // Parameters :
  //	$p_tarname : Name of an existing tar file
  //	$p_filelist : An array or a string containing file names to remove from the
  //				 archive.
  //	$p_mode : 'tar' or 'tgz', if not set, will be determined by $p_tarname extension
  // Return Values :
  //	List of the files which are kept in the archive (same format as PclTarList())
  // --------------------------------------------------------------------------------
  function PclTarDelete($p_tarname, $p_filelist, $p_mode="")
  {
	TrFctStart(__FILE__, __LINE__, "PclTarDelete", "tar='$p_tarname', list='$p_filelist', mode='$p_mode'");
	$v_result=1;

	// ----- Extract the tar format from the extension
	if (($p_mode == "") || (($p_mode!="tar") && ($p_mode!="tgz")))
	{
	  if (($p_mode = PclTarHandleExtension($p_tarname)) == "")
	  {
		// ----- Return
		TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
		return 0;
	  }
	}

	// ----- Look if the $p_filelist is really an array
	if (is_array($p_filelist))
	{
	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleDelete($p_tarname, $p_filelist, $p_list, $p_mode)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Look if the $p_filelist is a string
	else if (is_string($p_filelist))
	{
	  // ----- Create a list with the elements from the string
	  $v_list = explode(" ", $p_filelist);

	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleDelete($p_tarname, $v_list, $p_list, $p_mode)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Invalid variable
	else
	{
	  // ----- Error log
	  PclErrorLog(-3, "Invalid variable type p_filelist");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return 0;
	}

	// ----- Return
	TrFctEnd(__FILE__, __LINE__, $p_list);
	return $p_list;
  }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : PclTarUpdate()
  // Description :
  //	This function updates the files in $p_filelist which are already in the
  //	$p_tarname archive with an older last modified date. If the file does not
  //	exist, it is added at the end of the archive.
  // Parameters :
  //	$p_tarname : Name of an existing tar file
  //	$p_filelist : An array or a string containing file names to update from the
  //				 archive.
  //	$p_mode : 'tar' or 'tgz', if not set, will be determined by $p_tarname extension
  // Return Values :
  //	List of the files contained in the archive. The field status contains
  //	"updated", "not_updated", "added" or "ok" for the files not concerned.
  // --------------------------------------------------------------------------------
  function PclTarUpdate($p_tarname, $p_filelist, $p_mode="", $p_add_dir="", $p_remove_dir="")
  {
	TrFctStart(__FILE__, __LINE__, "PclTarUpdate", "tar='$p_tarname', list='$p_filelist', mode='$p_mode'");
	$v_result=1;

	// ----- Extract the tar format from the extension
	if (($p_mode == "") || (($p_mode!="tar") && ($p_mode!="tgz")))
	{
	  if (($p_mode = PclTarHandleExtension($p_tarname)) == "")
	  {
		// ----- Return
		TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
		return 0;
	  }
	}

	// ----- Look if the $p_filelist is really an array
	if (is_array($p_filelist))
	{
	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleUpdate($p_tarname, $p_filelist, $p_list, $p_mode, $p_add_dir, $p_remove_dir)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Look if the $p_filelist is a string
	else if (is_string($p_filelist))
	{
	  // ----- Create a list with the elements from the string
	  $v_list = explode(" ", $p_filelist);

	  // ----- Call the extracting fct
	  if (($v_result = PclTarHandleUpdate($p_tarname, $v_list, $p_list, $p_mode, $p_add_dir, $p_remove_dir)) != 1)
	  {
		TrFctEnd(__FILE__, __LINE__, 0, PclErrorString());
		return(0);
	  }
	}

	// ----- Invalid variable
	else
	{
	  // ----- Error log
	  PclErrorLog(-3, "Invalid variable type p_filelist");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return 0;
	}

	// ----- Return
	TrFctEnd(__FILE__, __LINE__, $p_list);
	return $p_list;
  }
  // --------------------------------------------------------------------------------


  // --------------------------------------------------------------------------------
  // Function : PclTarMerge()
  // Description :
  //	This function add the content of $p_tarname_add at the end of $p_tarname.
  // Parameters :
  //	$p_tarname : Name of an existing tar file
  //	$p_tarname_add : Name of an existing tar file taht will be added at the end
  //					of $p_tarname.
  //	$p_mode : 'tar' or 'tgz', if not set, will be determined by $p_tarname extension
  //	$p_mode_add : 'tar' or 'tgz', if not set, will be determined by $p_tarname_add
  //				 extension
  // Return Values :
  //	List of the files contained in the archive. The field status contains
  //	"updated", "not_updated", "added" or "ok" for the files not concerned.
  // --------------------------------------------------------------------------------
  function PclTarMerge($p_tarname, $p_tarname_add, $p_mode="", $p_mode_add="")
  {
	TrFctStart(__FILE__, __LINE__, "PclTarMerge", "tar='$p_tarname', tar_add='$p_tarname_add', mode='$p_mode', mode_add='$p_mode_add'");
	$v_result=1;

	// ----- Check the parameters
	if (($p_tarname == "") || ($p_tarname_add == ""))
	{
	  // ----- Error log
	  PclErrorLog(-3, "Invalid empty archive name");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return PclErrorCode();
	}

	// ----- Extract the tar format from the extension
	if (($p_mode == "") || (($p_mode!="tar") && ($p_mode!="tgz")))
	{
	  if (($p_mode = PclTarHandleExtension($p_tarname)) == "")
	  {
		// ----- Return
		TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
		return 0;
	  }
	}
	if (($p_mode_add == "") || (($p_mode_add!="tar") && ($p_mode_add!="tgz")))
	{
	  if (($p_mode_add = PclTarHandleExtension($p_tarname_add)) == "")
	  {
		// ----- Return
		TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
		return 0;
	  }
	}

	// ----- Clear filecache
	clearstatcache();

	// ----- Check the file size
	if ((!is_file($p_tarname)) ||
		(((($v_size = filesize($p_tarname)) % 512) != 0) && ($p_mode=="tar")))
	{
	  // ----- Error log
	  if (!is_file($p_tarname))
		PclErrorLog(-4, "Archive '$p_tarname' does not exist");
	  else
		PclErrorLog(-6, "Archive '$p_tarname' has invalid size ".filesize($p_tarname)."(not a 512 block multiple)");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return PclErrorCode();
	}
	if ((!is_file($p_tarname_add)) ||
		(((($v_size_add = filesize($p_tarname_add)) % 512) != 0) && ($p_mode_add=="tar")))
	{
	  // ----- Error log
	  if (!is_file($p_tarname_add))
		PclErrorLog(-4, "Archive '$p_tarname_add' does not exist");
	  else
		PclErrorLog(-6, "Archive '$p_tarname_add' has invalid size ".filesize($p_tarname_add)."(not a 512 block multiple)");

	  // ----- Return
	  TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
	  return PclErrorCode();
	}

	// ----- Look for compressed archive
	if ($p_mode == "tgz")
	{
	  // ----- Open the file in read mode