Syntax Syntax
Parameters Parameters
- $reader
-
(Required)
Return Return
(bool) True if the import was successful, otherwise false.
Source Source
File: wp-includes/pomo/mo.php
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 ( 0 != $header['revision'] ) { 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; }