Eliminate the use of `extract()` in `MO::import_from_reader()`.

See #22400.

Built from https://develop.svn.wordpress.org/trunk@28472


git-svn-id: http://core.svn.wordpress.org/trunk@28299 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor 2014-05-17 17:21:14 +00:00
parent f4661c6659
commit 87730b879f
1 changed files with 15 additions and 12 deletions

View File

@ -155,46 +155,49 @@ class MO extends Gettext_Translations {
if (!is_array($header))
return false;
extract( $header );
// support revision 0 of MO format specs, only
if ($revision != 0)
if ( $header['revision'] != 0 ) {
return false;
}
// seek to data blocks
$reader->seekto($originals_lenghts_addr);
$reader->seekto( $header['originals_lenghts_addr'] );
// read originals' indices
$originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
if ( $originals_lengths_length != $total * 8 )
$originals_lengths_length = $header['translations_lenghts_addr'] - $header['originals_lenghts_addr'];
if ( $originals_lengths_length != $header['total'] * 8 ) {
return false;
}
$originals = $reader->read($originals_lengths_length);
if ( $reader->strlen( $originals ) != $originals_lengths_length )
if ( $reader->strlen( $originals ) != $originals_lengths_length ) {
return false;
}
// read translations' indices
$translations_lenghts_length = $hash_addr - $translations_lenghts_addr;
if ( $translations_lenghts_length != $total * 8 )
$translations_lenghts_length = $header['hash_addr'] - $header['translations_lenghts_addr'];
if ( $translations_lenghts_length != $header['total'] * 8 ) {
return false;
}
$translations = $reader->read($translations_lenghts_length);
if ( $reader->strlen( $translations ) != $translations_lenghts_length )
if ( $reader->strlen( $translations ) != $translations_lenghts_length ) {
return false;
}
// transform raw data into set of indices
$originals = $reader->str_split( $originals, 8 );
$translations = $reader->str_split( $translations, 8 );
// skip hash table
$strings_addr = $hash_addr + $hash_length * 4;
$strings_addr = $header['hash_addr'] + $header['hash_length'] * 4;
$reader->seekto($strings_addr);
$strings = $reader->read_all();
$reader->close();
for ( $i = 0; $i < $total; $i++ ) {
for ( $i = 0; $i < $header['total']; $i++ ) {
$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
if ( !$o || !$t ) return false;