function apachesolr_multilingual_zipfile::addDir in Apache Solr Multilingual 6.2

Same name and namespace in other branches

1. 6 lib/apachesolr_multilingual_zipfile.php \apachesolr_multilingual_zipfile::addDir()

File

lib/apachesolr_multilingual_zipfile.php, line 90

Zip file creation class to pack Apache Solr Multilingual configuration fioles.

Class

apachesolr_multilingual_zipfile

Zip file creation class. Makes zip files.

Code

function addDir($name) {

  // adds "directory" to archive - do this before putting any files in directory!
  // $name - name of directory... like this: "path/"
  // ...then you can add files using add_file with names like "path/file.txt"
  $name = str_replace("\\", "/", $name);
  $fr = "PK\3\4";
  $fr .= "\n\0";

  // ver needed to extract
  $fr .= "\0\0";

  // gen purpose bit flag
  $fr .= "\0\0";

  // compression method
  $fr .= "\0\0\0\0";

  // last mod time and date
  $fr .= pack("V", 0);

  // crc32
  $fr .= pack("V", 0);

  //compressed filesize
  $fr .= pack("V", 0);

  //uncompressed filesize
  $fr .= pack("v", strlen($name));

  //length of pathname
  $fr .= pack("v", 0);

  //extra field length
  $fr .= $name;

  // end of "local file header" segment
  // no "file data" segment for path
  // "data descriptor" segment (optional but necessary if archive is not served as file)
  $fr .= pack("V", $crc);

  //crc32
  $fr .= pack("V", $c_len);

  //compressed filesize
  $fr .= pack("V", $unc_len);

  //uncompressed filesize

  // add this entry to array
  $this->datasec[] = $fr;
  $new_offset = strlen(implode("", $this->datasec));

  // ext. file attributes mirrors MS-DOS directory attr byte, detailed
  // at http://support.microsoft.com/support/kb/articles/Q125/0/19.asp
  // now add to central record
  $cdrec = "PK\1\2";
  $cdrec .= "\0\0";

  // version made by
  $cdrec .= "\n\0";

  // version needed to extract
  $cdrec .= "\0\0";

  // gen purpose bit flag
  $cdrec .= "\0\0";

  // compression method
  $cdrec .= "\0\0\0\0";

  // last mod time & date
  $cdrec .= pack("V", 0);

  // crc32
  $cdrec .= pack("V", 0);

  //compressed filesize
  $cdrec .= pack("V", 0);

  //uncompressed filesize
  $cdrec .= pack("v", strlen($name));

  //length of filename
  $cdrec .= pack("v", 0);

  //extra field length
  $cdrec .= pack("v", 0);

  //file comment length
  $cdrec .= pack("v", 0);

  //disk number start
  $cdrec .= pack("v", 0);

  //internal file attributes
  $ext = "\0\0\20\0";
  $ext = "";
  $cdrec .= pack("V", 16);

  //external file attributes  - 'directory' bit set
  $cdrec .= pack("V", $this->old_offset);

  //relative offset of local header
  $this->old_offset = $new_offset;
  $cdrec .= $name;

  // optional extra field, file comment goes here
  // save to array
  $this->ctrl_dir[] = $cdrec;
}