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<?php |
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require_once __DIR__ . '/translations.php'; |
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require_once __DIR__ . '/streams.php'; |
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if ( ! class_exists( 'MO', false ) ) : |
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class MO extends Gettext_Translations { |
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public $_nplurals = 2; |
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private $filename = ''; |
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public function get_filename() { |
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return $this->filename; |
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} |
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public function import_from_file( $filename ) { |
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$reader = new POMO_FileReader( $filename ); |
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if ( ! $reader->is_resource() ) { |
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return false; |
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} |
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$this->filename = (string) $filename; |
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return $this->import_from_reader( $reader ); |
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} |
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public function export_to_file( $filename ) { |
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$fh = fopen( $filename, 'wb' ); |
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if ( ! $fh ) { |
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return false; |
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} |
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$res = $this->export_to_file_handle( $fh ); |
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fclose( $fh ); |
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return $res; |
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} |
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public function export() { |
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$tmp_fh = fopen( 'php://temp', 'r+' ); |
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if ( ! $tmp_fh ) { |
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return false; |
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} |
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$this->export_to_file_handle( $tmp_fh ); |
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rewind( $tmp_fh ); |
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return stream_get_contents( $tmp_fh ); |
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} |
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public function is_entry_good_for_export( $entry ) { |
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if ( empty( $entry->translations ) ) { |
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return false; |
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} |
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if ( ! array_filter( $entry->translations ) ) { |
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return false; |
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} |
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return true; |
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} |
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public function export_to_file_handle( $fh ) { |
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$entries = array_filter( $this->entries, array( $this, 'is_entry_good_for_export' ) ); |
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ksort( $entries ); |
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$magic = 0x950412de; |
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$revision = 0; |
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$total = count( $entries ) + 1; |
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$originals_lengths_addr = 28; |
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$translations_lengths_addr = $originals_lengths_addr + 8 * $total; |
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$size_of_hash = 0; |
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$hash_addr = $translations_lengths_addr + 8 * $total; |
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$current_addr = $hash_addr; |
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fwrite( |
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$fh, |
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pack( |
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'V*', |
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$magic, |
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$revision, |
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$total, |
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$originals_lengths_addr, |
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$translations_lengths_addr, |
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$size_of_hash, |
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$hash_addr |
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) |
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); |
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fseek( $fh, $originals_lengths_addr ); |
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fwrite( $fh, pack( 'VV', 0, $current_addr ) ); |
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++$current_addr; |
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$originals_table = "\0"; |
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$reader = new POMO_Reader(); |
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foreach ( $entries as $entry ) { |
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$originals_table .= $this->export_original( $entry ) . "\0"; |
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$length = $reader->strlen( $this->export_original( $entry ) ); |
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fwrite( $fh, pack( 'VV', $length, $current_addr ) ); |
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$current_addr += $length + 1; |
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} |
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$exported_headers = $this->export_headers(); |
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fwrite( $fh, pack( 'VV', $reader->strlen( $exported_headers ), $current_addr ) ); |
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$current_addr += strlen( $exported_headers ) + 1; |
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$translations_table = $exported_headers . "\0"; |
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foreach ( $entries as $entry ) { |
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$translations_table .= $this->export_translations( $entry ) . "\0"; |
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$length = $reader->strlen( $this->export_translations( $entry ) ); |
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fwrite( $fh, pack( 'VV', $length, $current_addr ) ); |
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$current_addr += $length + 1; |
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} |
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fwrite( $fh, $originals_table ); |
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fwrite( $fh, $translations_table ); |
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return true; |
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} |
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public function export_original( $entry ) { |
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$exported = $entry->singular; |
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if ( $entry->is_plural ) { |
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$exported .= "\0" . $entry->plural; |
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} |
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if ( $entry->context ) { |
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$exported = $entry->context . "\4" . $exported; |
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} |
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return $exported; |
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} |
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public function export_translations( $entry ) { |
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return $entry->is_plural ? implode( "\0", $entry->translations ) : $entry->translations[0]; |
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} |
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public function export_headers() { |
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$exported = ''; |
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foreach ( $this->headers as $header => $value ) { |
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$exported .= "$header: $value\n"; |
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} |
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return $exported; |
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} |
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public function get_byteorder( $magic ) { |
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$magic_little = (int) - 1794895138; |
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$magic_little_64 = (int) 2500072158; |
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$magic_big = ( (int) - 569244523 ) & 0xFFFFFFFF; |
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if ( $magic_little === $magic || $magic_little_64 === $magic ) { |
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return 'little'; |
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} elseif ( $magic_big === $magic ) { |
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return 'big'; |
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} else { |
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return false; |
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} |
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} |
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public function import_from_reader( $reader ) { |
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$endian_string = MO::get_byteorder( $reader->readint32() ); |
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if ( false === $endian_string ) { |
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return false; |
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} |
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$reader->setEndian( $endian_string ); |
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$endian = ( 'big' === $endian_string ) ? 'N' : 'V'; |
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$header = $reader->read( 24 ); |
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if ( $reader->strlen( $header ) !== 24 ) { |
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return false; |
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} |
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$header = unpack( "{$endian}revision/{$endian}total/{$endian}originals_lengths_addr/{$endian}translations_lengths_addr/{$endian}hash_length/{$endian}hash_addr", $header ); |
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if ( ! is_array( $header ) ) { |
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return false; |
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} |
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if ( 0 !== $header['revision'] ) { |
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return false; |
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} |
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$reader->seekto( $header['originals_lengths_addr'] ); |
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$originals_lengths_length = $header['translations_lengths_addr'] - $header['originals_lengths_addr']; |
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if ( $originals_lengths_length !== $header['total'] * 8 ) { |
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return false; |
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} |
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$originals = $reader->read( $originals_lengths_length ); |
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if ( $reader->strlen( $originals ) !== $originals_lengths_length ) { |
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return false; |
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} |
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$translations_lengths_length = $header['hash_addr'] - $header['translations_lengths_addr']; |
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if ( $translations_lengths_length !== $header['total'] * 8 ) { |
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return false; |
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} |
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$translations = $reader->read( $translations_lengths_length ); |
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if ( $reader->strlen( $translations ) !== $translations_lengths_length ) { |
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return false; |
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} |
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$originals = $reader->str_split( $originals, 8 ); |
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$translations = $reader->str_split( $translations, 8 ); |
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$strings_addr = $header['hash_addr'] + $header['hash_length'] * 4; |
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$reader->seekto( $strings_addr ); |
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$strings = $reader->read_all(); |
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$reader->close(); |
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for ( $i = 0; $i < $header['total']; $i++ ) { |
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$o = unpack( "{$endian}length/{$endian}pos", $originals[ $i ] ); |
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$t = unpack( "{$endian}length/{$endian}pos", $translations[ $i ] ); |
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if ( ! $o || ! $t ) { |
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return false; |
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} |
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$o['pos'] -= $strings_addr; |
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$t['pos'] -= $strings_addr; |
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$original = $reader->substr( $strings, $o['pos'], $o['length'] ); |
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$translation = $reader->substr( $strings, $t['pos'], $t['length'] ); |
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if ( '' === $original ) { |
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$this->set_headers( $this->make_headers( $translation ) ); |
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} else { |
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$entry = &$this->make_entry( $original, $translation ); |
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$this->entries[ $entry->key() ] = &$entry; |
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} |
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} |
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return true; |
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} |
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public function &make_entry( $original, $translation ) { |
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$entry = new Translation_Entry(); |
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$parts = explode( "\4", $original ); |
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if ( isset( $parts[1] ) ) { |
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$original = $parts[1]; |
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$entry->context = $parts[0]; |
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} |
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$parts = explode( "\0", $original ); |
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$entry->singular = $parts[0]; |
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if ( isset( $parts[1] ) ) { |
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$entry->is_plural = true; |
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$entry->plural = $parts[1]; |
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} |
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$entry->translations = explode( "\0", $translation ); |
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return $entry; |
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} |
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public function select_plural_form( $count ) { |
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return $this->gettext_select_plural_form( $count ); |
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} |
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public function get_plural_forms_count() { |
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return $this->_nplurals; |
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} |
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} |
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endif; |
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