function import_from_reader($reader) {
$reader->setEndian('little');
$endian = MO::get_byteorder($reader->readint32());
if (false === $endian) {
return false;
}
$reader->setEndian($endian);
$revision = $reader->readint32();
$total = $reader->readint32();
// get addresses of array of lenghts and offsets for original string and translations
$originals_lo_addr = $reader->readint32();
$translations_lo_addr = $reader->readint32();
$reader->seekto($originals_lo_addr);
$originals_lo = $reader->readint32array($total * 2); // each of
$reader->seekto($translations_lo_addr);
$translations_lo = $reader->readint32array($total * 2);
$length = create_function('$i', 'return $i * 2 + 1;');
$offset = create_function('$i', 'return $i * 2 + 2;');
for ($i = 0; $i < $total; ++$i) {
$reader->seekto($originals_lo[$offset($i)]);
$original = $reader->read($originals_lo[$length($i)]);
$reader->seekto($translations_lo[$offset($i)]);
$translation = $reader->read($translations_lo[$length($i)]);
if ('' == $original) {
$this->set_headers($this->make_headers($translation));
} else {
$this->add_entry($this->make_entry($original, $translation));
}
}
return true;
}
/**
* @param POMO_FileReader $reader
*/
function import_from_reader($reader)
{
$endian_string = MO::get_byteorder($reader->readint32());
if (false === $endian_string) {
return false;
}
$reader->setEndian($endian_string);
$endian = 'big' == $endian_string ? 'N' : 'V';
$header = $reader->read(24);
if ($reader->strlen($header) != 24) {
return false;
}
// parse header
$header = unpack("{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header);
if (!is_array($header)) {
return false;
}
// support revision 0 of MO format specs, only
if ($header['revision'] != 0) {
return false;
}
// seek to data blocks
$reader->seekto($header['originals_lenghts_addr']);
// read originals' indices
$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) {
return false;
}
// read translations' indices
$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) {
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 = $header['hash_addr'] + $header['hash_length'] * 4;
$reader->seekto($strings_addr);
$strings = $reader->read_all();
$reader->close();
for ($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;
}
// adjust offset due to reading strings to separate space before
$o['pos'] -= $strings_addr;
$t['pos'] -= $strings_addr;
$original = $reader->substr($strings, $o['pos'], $o['length']);
$translation = $reader->substr($strings, $t['pos'], $t['length']);
if ('' === $original) {
$this->set_headers($this->make_headers($translation));
} else {
$entry =& $this->make_entry($original, $translation);
$this->entries[$entry->key()] =& $entry;
}
}
return true;
}
function import_from_reader($reader) {
$endian_string = MO::get_byteorder($reader->readint32());
if (false === $endian_string) {
return false;
}
$reader->setEndian($endian_string);
$endian = ('big' == $endian_string)? 'N' : 'V';
$header = $reader->read(24);
if ($reader->strlen($header) != 24)
return false;
$header = unpack("{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header);
if (!is_array($header))
return false;
extract( $header );
if ($revision != 0)
return false;
$reader->seekto($originals_lenghts_addr);
$originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
if ( $originals_lengths_length != $total * 8 )
return false;
$originals = $reader->read($originals_lengths_length);
if ( $reader->strlen( $originals ) != $originals_lengths_length )
return false;
$translations_lenghts_length = $hash_addr - $translations_lenghts_addr;
if ( $translations_lenghts_length != $total * 8 )
return false;
$translations = $reader->read($translations_lenghts_length);
if ( $reader->strlen( $translations ) != $translations_lenghts_length )
return false;
$originals = $reader->str_split( $originals, 8 );
$translations = $reader->str_split( $translations, 8 );
$strings_addr = $hash_addr + $hash_length * 4;
$reader->seekto($strings_addr);
$strings = $reader->read_all();
$reader->close();
for ( $i = 0; $i < $total; $i++ ) {
$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
if ( !$o || !$t ) return false;
$o['pos'] -= $strings_addr;
$t['pos'] -= $strings_addr;
$original = $reader->substr( $strings, $o['pos'], $o['length'] );
$translation = $reader->substr( $strings, $t['pos'], $t['length'] );
if ('' === $original) {
$this->set_headers($this->make_headers($translation));
} else {
$entry = &$this->make_entry($original, $translation);
$this->entries[$entry->key()] = &$entry;
}
}
return true;
}
