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[FILE]
class-wp-translation-controller.php
[FILE]
class-wp-translation-file-mo.php
[FILE]
class-wp-translation-file-php.php
[FILE]
class-wp-translation-file.php
[FILE]
class-wp-translations.php
Редактирование: class-wp-translation-file-mo.php
<?php /** * I18N: WP_Translation_File_MO class. * * @package WordPress * @subpackage I18N * @since 6.5.0 */ /** * Class WP_Translation_File_MO. * * @since 6.5.0 */ class WP_Translation_File_MO extends WP_Translation_File { /** * Endian value. * * V for little endian, N for big endian, or false. * * Used for unpack(). * * @since 6.5.0 * @var false|'V'|'N' */ protected $uint32 = false; /** * The magic number of the GNU message catalog format. * * @since 6.5.0 * @var int */ const MAGIC_MARKER = 0x950412de; /** * Detects endian and validates file. * * @since 6.5.0 * * @param string $header File contents. * @return false|'V'|'N' V for little endian, N for big endian, or false on failure. */ protected function detect_endian_and_validate_file( string $header ) { $big = unpack( 'N', $header ); if ( false === $big ) { return false; } $big = reset( $big ); if ( false === $big ) { return false; } $little = unpack( 'V', $header ); if ( false === $little ) { return false; } $little = reset( $little ); if ( false === $little ) { return false; } // Force cast to an integer as it can be a float on x86 systems. See https://core.trac.wordpress.org/ticket/60678. if ( (int) self::MAGIC_MARKER === $big ) { return 'N'; } // Force cast to an integer as it can be a float on x86 systems. See https://core.trac.wordpress.org/ticket/60678. if ( (int) self::MAGIC_MARKER === $little ) { return 'V'; } $this->error = 'Magic marker does not exist'; return false; } /** * Parses the file. * * @since 6.5.0 * * @return bool True on success, false otherwise. */ protected function parse_file(): bool { $this->parsed = true; $file_contents = file_get_contents( $this->file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents if ( false === $file_contents ) { return false; } $file_length = strlen( $file_contents ); if ( $file_length < 24 ) { $this->error = 'Invalid data'; return false; } $this->uint32 = $this->detect_endian_and_validate_file( substr( $file_contents, 0, 4 ) ); if ( false === $this->uint32 ) { return false; } $offsets = substr( $file_contents, 4, 24 ); if ( false === $offsets ) { return false; } $offsets = unpack( "{$this->uint32}rev/{$this->uint32}total/{$this->uint32}originals_addr/{$this->uint32}translations_addr/{$this->uint32}hash_length/{$this->uint32}hash_addr", $offsets ); if ( false === $offsets ) { return false; } $offsets['originals_length'] = $offsets['translations_addr'] - $offsets['originals_addr']; $offsets['translations_length'] = $offsets['hash_addr'] - $offsets['translations_addr']; if ( $offsets['rev'] > 0 ) { $this->error = 'Unsupported revision'; return false; } if ( $offsets['translations_addr'] > $file_length || $offsets['originals_addr'] > $file_length ) { $this->error = 'Invalid data'; return false; } // Load the Originals. $original_data = str_split( substr( $file_contents, $offsets['originals_addr'], $offsets['originals_length'] ), 8 ); $translations_data = str_split( substr( $file_contents, $offsets['translations_addr'], $offsets['translations_length'] ), 8 ); foreach ( array_keys( $original_data ) as $i ) { $o = unpack( "{$this->uint32}length/{$this->uint32}pos", $original_data[ $i ] ); $t = unpack( "{$this->uint32}length/{$this->uint32}pos", $translations_data[ $i ] ); if ( false === $o || false === $t ) { continue; } $original = substr( $file_contents, $o['pos'], $o['length'] ); $translation = substr( $file_contents, $t['pos'], $t['length'] ); // GlotPress bug. $translation = rtrim( $translation, "\0" ); // Metadata about the MO file is stored in the first translation entry. if ( '' === $original ) { foreach ( explode( "\n", $translation ) as $meta_line ) { if ( '' === $meta_line || ! str_contains( $meta_line, ':' ) ) { continue; } list( $name, $value ) = array_map( 'trim', explode( ':', $meta_line, 2 ) ); $this->headers[ strtolower( $name ) ] = $value; } } else { /* * In MO files, the key normally contains both singular and plural versions. * However, this just adds the singular string for lookup, * which caters for cases where both __( 'Product' ) and _n( 'Product', 'Products' ) * are used and the translation is expected to be the same for both. */ $parts = explode( "\0", (string) $original ); $this->entries[ $parts[0] ] = $translation; } } return true; } /** * Exports translation contents as a string. * * @since 6.5.0 * * @return string Translation file contents. */ public function export(): string { // Prefix the headers as the first key. $headers_string = ''; foreach ( $this->headers as $header => $value ) { $headers_string .= "{$header}: $value\n"; } $entries = array_merge( array( '' => $headers_string ), $this->entries ); $entry_count = count( $entries ); if ( false === $this->uint32 ) { $this->uint32 = 'V'; } $bytes_for_entries = $entry_count * 4 * 2; // Pair of 32bit ints per entry. $originals_addr = 28; /* header */ $translations_addr = $originals_addr + $bytes_for_entries; $hash_addr = $translations_addr + $bytes_for_entries; $entry_offsets = $hash_addr; $file_header = pack( $this->uint32 . '*', // Force cast to an integer as it can be a float on x86 systems. See https://core.trac.wordpress.org/ticket/60678. (int) self::MAGIC_MARKER, 0, /* rev */ $entry_count, $originals_addr, $translations_addr, 0, /* hash_length */ $hash_addr ); $o_entries = ''; $t_entries = ''; $o_addr = ''; $t_addr = ''; foreach ( array_keys( $entries ) as $original ) { $o_addr .= pack( $this->uint32 . '*', strlen( $original ), $entry_offsets ); $entry_offsets += strlen( $original ) + 1; $o_entries .= $original . "\0"; } foreach ( $entries as $translations ) { $t_addr .= pack( $this->uint32 . '*', strlen( $translations ), $entry_offsets ); $entry_offsets += strlen( $translations ) + 1; $t_entries .= $translations . "\0"; } return $file_header . $o_addr . $t_addr . $o_entries . $t_entries; } }
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