diff options
Diffstat (limited to 'srcs/wordpress/wp-includes/pomo')
| -rw-r--r-- | srcs/wordpress/wp-includes/pomo/entry.php | 103 | ||||
| -rw-r--r-- | srcs/wordpress/wp-includes/pomo/mo.php | 349 | ||||
| -rw-r--r-- | srcs/wordpress/wp-includes/pomo/plural-forms.php | 344 | ||||
| -rw-r--r-- | srcs/wordpress/wp-includes/pomo/po.php | 508 | ||||
| -rw-r--r-- | srcs/wordpress/wp-includes/pomo/streams.php | 325 | ||||
| -rw-r--r-- | srcs/wordpress/wp-includes/pomo/translations.php | 379 |
6 files changed, 2008 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-includes/pomo/entry.php b/srcs/wordpress/wp-includes/pomo/entry.php new file mode 100644 index 0000000..b5e56ff --- /dev/null +++ b/srcs/wordpress/wp-includes/pomo/entry.php @@ -0,0 +1,103 @@ +<?php +/** + * Contains Translation_Entry class + * + * @version $Id: entry.php 1157 2015-11-20 04:30:11Z dd32 $ + * @package pomo + * @subpackage entry + */ + +if ( ! class_exists( 'Translation_Entry', false ) ) : + /** + * Translation_Entry class encapsulates a translatable string + */ + class Translation_Entry { + + /** + * Whether the entry contains a string and its plural form, default is false + * + * @var boolean + */ + var $is_plural = false; + + var $context = null; + var $singular = null; + var $plural = null; + var $translations = array(); + var $translator_comments = ''; + var $extracted_comments = ''; + var $references = array(); + var $flags = array(); + + /** + * @param array $args associative array, support following keys: + * - singular (string) -- the string to translate, if omitted and empty entry will be created + * - plural (string) -- the plural form of the string, setting this will set {@link $is_plural} to true + * - translations (array) -- translations of the string and possibly -- its plural forms + * - context (string) -- a string differentiating two equal strings used in different contexts + * - translator_comments (string) -- comments left by translators + * - extracted_comments (string) -- comments left by developers + * - references (array) -- places in the code this strings is used, in relative_to_root_path/file.php:linenum form + * - flags (array) -- flags like php-format + */ + function __construct( $args = array() ) { + // if no singular -- empty object + if ( ! isset( $args['singular'] ) ) { + return; + } + // get member variable values from args hash + foreach ( $args as $varname => $value ) { + $this->$varname = $value; + } + if ( isset( $args['plural'] ) && $args['plural'] ) { + $this->is_plural = true; + } + if ( ! is_array( $this->translations ) ) { + $this->translations = array(); + } + if ( ! is_array( $this->references ) ) { + $this->references = array(); + } + if ( ! is_array( $this->flags ) ) { + $this->flags = array(); + } + } + + /** + * PHP4 constructor. + */ + public function Translation_Entry( $args = array() ) { + self::__construct( $args ); + } + + /** + * Generates a unique key for this entry + * + * @return string|bool the key or false if the entry is empty + */ + function key() { + if ( null === $this->singular || '' === $this->singular ) { + return false; + } + + // Prepend context and EOT, like in MO files + $key = ! $this->context ? $this->singular : $this->context . "\4" . $this->singular; + // Standardize on \n line endings + $key = str_replace( array( "\r\n", "\r" ), "\n", $key ); + + return $key; + } + + /** + * @param object $other + */ + function merge_with( &$other ) { + $this->flags = array_unique( array_merge( $this->flags, $other->flags ) ); + $this->references = array_unique( array_merge( $this->references, $other->references ) ); + if ( $this->extracted_comments != $other->extracted_comments ) { + $this->extracted_comments .= $other->extracted_comments; + } + + } + } +endif; diff --git a/srcs/wordpress/wp-includes/pomo/mo.php b/srcs/wordpress/wp-includes/pomo/mo.php new file mode 100644 index 0000000..836af80 --- /dev/null +++ b/srcs/wordpress/wp-includes/pomo/mo.php @@ -0,0 +1,349 @@ +<?php +/** + * Class for working with MO files + * + * @version $Id: mo.php 1157 2015-11-20 04:30:11Z dd32 $ + * @package pomo + * @subpackage mo + */ + +require_once dirname( __FILE__ ) . '/translations.php'; +require_once dirname( __FILE__ ) . '/streams.php'; + +if ( ! class_exists( 'MO', false ) ) : + class MO extends Gettext_Translations { + + var $_nplurals = 2; + + /** + * Loaded MO file. + * + * @var string + */ + private $filename = ''; + + /** + * Returns the loaded MO file. + * + * @return string The loaded MO file. + */ + public function get_filename() { + return $this->filename; + } + + /** + * Fills up with the entries from MO file $filename + * + * @param string $filename MO file to load + * @return bool True if the import from file was successful, otherwise false. + */ + function import_from_file( $filename ) { + $reader = new POMO_FileReader( $filename ); + + if ( ! $reader->is_resource() ) { + return false; + } + + $this->filename = (string) $filename; + + return $this->import_from_reader( $reader ); + } + + /** + * @param string $filename + * @return bool + */ + function export_to_file( $filename ) { + $fh = fopen( $filename, 'wb' ); + if ( ! $fh ) { + return false; + } + $res = $this->export_to_file_handle( $fh ); + fclose( $fh ); + return $res; + } + + /** + * @return string|false + */ + function export() { + $tmp_fh = fopen( 'php://temp', 'r+' ); + if ( ! $tmp_fh ) { + return false; + } + $this->export_to_file_handle( $tmp_fh ); + rewind( $tmp_fh ); + return stream_get_contents( $tmp_fh ); + } + + /** + * @param Translation_Entry $entry + * @return bool + */ + function is_entry_good_for_export( $entry ) { + if ( empty( $entry->translations ) ) { + return false; + } + + if ( ! array_filter( $entry->translations ) ) { + return false; + } + + return true; + } + + /** + * @param resource $fh + * @return true + */ + function export_to_file_handle( $fh ) { + $entries = array_filter( $this->entries, array( $this, 'is_entry_good_for_export' ) ); + ksort( $entries ); + $magic = 0x950412de; + $revision = 0; + $total = count( $entries ) + 1; // all the headers are one entry + $originals_lenghts_addr = 28; + $translations_lenghts_addr = $originals_lenghts_addr + 8 * $total; + $size_of_hash = 0; + $hash_addr = $translations_lenghts_addr + 8 * $total; + $current_addr = $hash_addr; + fwrite( + $fh, + pack( + 'V*', + $magic, + $revision, + $total, + $originals_lenghts_addr, + $translations_lenghts_addr, + $size_of_hash, + $hash_addr + ) + ); + fseek( $fh, $originals_lenghts_addr ); + + // headers' msgid is an empty string + fwrite( $fh, pack( 'VV', 0, $current_addr ) ); + $current_addr++; + $originals_table = "\0"; + + $reader = new POMO_Reader(); + + foreach ( $entries as $entry ) { + $originals_table .= $this->export_original( $entry ) . "\0"; + $length = $reader->strlen( $this->export_original( $entry ) ); + fwrite( $fh, pack( 'VV', $length, $current_addr ) ); + $current_addr += $length + 1; // account for the NULL byte after + } + + $exported_headers = $this->export_headers(); + fwrite( $fh, pack( 'VV', $reader->strlen( $exported_headers ), $current_addr ) ); + $current_addr += strlen( $exported_headers ) + 1; + $translations_table = $exported_headers . "\0"; + + foreach ( $entries as $entry ) { + $translations_table .= $this->export_translations( $entry ) . "\0"; + $length = $reader->strlen( $this->export_translations( $entry ) ); + fwrite( $fh, pack( 'VV', $length, $current_addr ) ); + $current_addr += $length + 1; + } + + fwrite( $fh, $originals_table ); + fwrite( $fh, $translations_table ); + return true; + } + + /** + * @param Translation_Entry $entry + * @return string + */ + function export_original( $entry ) { + //TODO: warnings for control characters + $exported = $entry->singular; + if ( $entry->is_plural ) { + $exported .= "\0" . $entry->plural; + } + if ( $entry->context ) { + $exported = $entry->context . "\4" . $exported; + } + return $exported; + } + + /** + * @param Translation_Entry $entry + * @return string + */ + function export_translations( $entry ) { + //TODO: warnings for control characters + return $entry->is_plural ? implode( "\0", $entry->translations ) : $entry->translations[0]; + } + + /** + * @return string + */ + function export_headers() { + $exported = ''; + foreach ( $this->headers as $header => $value ) { + $exported .= "$header: $value\n"; + } + return $exported; + } + + /** + * @param int $magic + * @return string|false + */ + function get_byteorder( $magic ) { + // The magic is 0x950412de + + // bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565 + $magic_little = (int) - 1794895138; + $magic_little_64 = (int) 2500072158; + // 0xde120495 + $magic_big = ( (int) - 569244523 ) & 0xFFFFFFFF; + if ( $magic_little == $magic || $magic_little_64 == $magic ) { + return 'little'; + } elseif ( $magic_big == $magic ) { + return 'big'; + } else { + return false; + } + } + + /** + * @param POMO_FileReader $reader + * @return bool True if the import was successful, otherwise false. + */ + 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; + } + + /** + * Build a Translation_Entry from original string and translation strings, + * found in a MO file + * + * @static + * @param string $original original string to translate from MO file. Might contain + * 0x04 as context separator or 0x00 as singular/plural separator + * @param string $translation translation string from MO file. Might contain + * 0x00 as a plural translations separator + * @return Translation_Entry Entry instance. + */ + function &make_entry( $original, $translation ) { + $entry = new Translation_Entry(); + // Look for context, separated by \4. + $parts = explode( "\4", $original ); + if ( isset( $parts[1] ) ) { + $original = $parts[1]; + $entry->context = $parts[0]; + } + // look for plural original + $parts = explode( "\0", $original ); + $entry->singular = $parts[0]; + if ( isset( $parts[1] ) ) { + $entry->is_plural = true; + $entry->plural = $parts[1]; + } + // plural translations are also separated by \0 + $entry->translations = explode( "\0", $translation ); + return $entry; + } + + /** + * @param int $count + * @return string + */ + function select_plural_form( $count ) { + return $this->gettext_select_plural_form( $count ); + } + + /** + * @return int + */ + function get_plural_forms_count() { + return $this->_nplurals; + } + } +endif; diff --git a/srcs/wordpress/wp-includes/pomo/plural-forms.php b/srcs/wordpress/wp-includes/pomo/plural-forms.php new file mode 100644 index 0000000..e18f751 --- /dev/null +++ b/srcs/wordpress/wp-includes/pomo/plural-forms.php @@ -0,0 +1,344 @@ +<?php + +/** + * A gettext Plural-Forms parser. + * + * @since 4.9.0 + */ +class Plural_Forms { + /** + * Operator characters. + * + * @since 4.9.0 + * @var string OP_CHARS Operator characters. + */ + const OP_CHARS = '|&><!=%?:'; + + /** + * Valid number characters. + * + * @since 4.9.0 + * @var string NUM_CHARS Valid number characters. + */ + const NUM_CHARS = '0123456789'; + + /** + * Operator precedence. + * + * Operator precedence from highest to lowest. Higher numbers indicate + * higher precedence, and are executed first. + * + * @see https://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B#Operator_precedence + * + * @since 4.9.0 + * @var array $op_precedence Operator precedence from highest to lowest. + */ + protected static $op_precedence = array( + '%' => 6, + + '<' => 5, + '<=' => 5, + '>' => 5, + '>=' => 5, + + '==' => 4, + '!=' => 4, + + '&&' => 3, + + '||' => 2, + + '?:' => 1, + '?' => 1, + + '(' => 0, + ')' => 0, + ); + + /** + * Tokens generated from the string. + * + * @since 4.9.0 + * @var array $tokens List of tokens. + */ + protected $tokens = array(); + + /** + * Cache for repeated calls to the function. + * + * @since 4.9.0 + * @var array $cache Map of $n => $result + */ + protected $cache = array(); + + /** + * Constructor. + * + * @since 4.9.0 + * + * @param string $str Plural function (just the bit after `plural=` from Plural-Forms) + */ + public function __construct( $str ) { + $this->parse( $str ); + } + + /** + * Parse a Plural-Forms string into tokens. + * + * Uses the shunting-yard algorithm to convert the string to Reverse Polish + * Notation tokens. + * + * @since 4.9.0 + * + * @param string $str String to parse. + */ + protected function parse( $str ) { + $pos = 0; + $len = strlen( $str ); + + // Convert infix operators to postfix using the shunting-yard algorithm. + $output = array(); + $stack = array(); + while ( $pos < $len ) { + $next = substr( $str, $pos, 1 ); + + switch ( $next ) { + // Ignore whitespace + case ' ': + case "\t": + $pos++; + break; + + // Variable (n) + case 'n': + $output[] = array( 'var' ); + $pos++; + break; + + // Parentheses + case '(': + $stack[] = $next; + $pos++; + break; + + case ')': + $found = false; + while ( ! empty( $stack ) ) { + $o2 = $stack[ count( $stack ) - 1 ]; + if ( $o2 !== '(' ) { + $output[] = array( 'op', array_pop( $stack ) ); + continue; + } + + // Discard open paren. + array_pop( $stack ); + $found = true; + break; + } + + if ( ! $found ) { + throw new Exception( 'Mismatched parentheses' ); + } + + $pos++; + break; + + // Operators + case '|': + case '&': + case '>': + case '<': + case '!': + case '=': + case '%': + case '?': + $end_operator = strspn( $str, self::OP_CHARS, $pos ); + $operator = substr( $str, $pos, $end_operator ); + if ( ! array_key_exists( $operator, self::$op_precedence ) ) { + throw new Exception( sprintf( 'Unknown operator "%s"', $operator ) ); + } + + while ( ! empty( $stack ) ) { + $o2 = $stack[ count( $stack ) - 1 ]; + + // Ternary is right-associative in C + if ( $operator === '?:' || $operator === '?' ) { + if ( self::$op_precedence[ $operator ] >= self::$op_precedence[ $o2 ] ) { + break; + } + } elseif ( self::$op_precedence[ $operator ] > self::$op_precedence[ $o2 ] ) { + break; + } + + $output[] = array( 'op', array_pop( $stack ) ); + } + $stack[] = $operator; + + $pos += $end_operator; + break; + + // Ternary "else" + case ':': + $found = false; + $s_pos = count( $stack ) - 1; + while ( $s_pos >= 0 ) { + $o2 = $stack[ $s_pos ]; + if ( $o2 !== '?' ) { + $output[] = array( 'op', array_pop( $stack ) ); + $s_pos--; + continue; + } + + // Replace. + $stack[ $s_pos ] = '?:'; + $found = true; + break; + } + + if ( ! $found ) { + throw new Exception( 'Missing starting "?" ternary operator' ); + } + $pos++; + break; + + // Default - number or invalid + default: + if ( $next >= '0' && $next <= '9' ) { + $span = strspn( $str, self::NUM_CHARS, $pos ); + $output[] = array( 'value', intval( substr( $str, $pos, $span ) ) ); + $pos += $span; + break; + } + + throw new Exception( sprintf( 'Unknown symbol "%s"', $next ) ); + } + } + + while ( ! empty( $stack ) ) { + $o2 = array_pop( $stack ); + if ( $o2 === '(' || $o2 === ')' ) { + throw new Exception( 'Mismatched parentheses' ); + } + + $output[] = array( 'op', $o2 ); + } + + $this->tokens = $output; + } + + /** + * Get the plural form for a number. + * + * Caches the value for repeated calls. + * + * @since 4.9.0 + * + * @param int $num Number to get plural form for. + * @return int Plural form value. + */ + public function get( $num ) { + if ( isset( $this->cache[ $num ] ) ) { + return $this->cache[ $num ]; + } + $this->cache[ $num ] = $this->execute( $num ); + return $this->cache[ $num ]; + } + + /** + * Execute the plural form function. + * + * @since 4.9.0 + * + * @param int $n Variable "n" to substitute. + * @return int Plural form value. + */ + public function execute( $n ) { + $stack = array(); + $i = 0; + $total = count( $this->tokens ); + while ( $i < $total ) { + $next = $this->tokens[ $i ]; + $i++; + if ( $next[0] === 'var' ) { + $stack[] = $n; + continue; + } elseif ( $next[0] === 'value' ) { + $stack[] = $next[1]; + continue; + } + + // Only operators left. + switch ( $next[1] ) { + case '%': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 % $v2; + break; + + case '||': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 || $v2; + break; + + case '&&': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 && $v2; + break; + + case '<': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 < $v2; + break; + + case '<=': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 <= $v2; + break; + + case '>': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 > $v2; + break; + + case '>=': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 >= $v2; + break; + + case '!=': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 != $v2; + break; + + case '==': + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 == $v2; + break; + + case '?:': + $v3 = array_pop( $stack ); + $v2 = array_pop( $stack ); + $v1 = array_pop( $stack ); + $stack[] = $v1 ? $v2 : $v3; + break; + + default: + throw new Exception( sprintf( 'Unknown operator "%s"', $next[1] ) ); + } + } + + if ( count( $stack ) !== 1 ) { + throw new Exception( 'Too many values remaining on the stack' ); + } + + return (int) $stack[0]; + } +} diff --git a/srcs/wordpress/wp-includes/pomo/po.php b/srcs/wordpress/wp-includes/pomo/po.php new file mode 100644 index 0000000..f5ddf5f --- /dev/null +++ b/srcs/wordpress/wp-includes/pomo/po.php @@ -0,0 +1,508 @@ +<?php +/** + * Class for working with PO files + * + * @version $Id: po.php 1158 2015-11-20 04:31:23Z dd32 $ + * @package pomo + * @subpackage po + */ + +require_once dirname( __FILE__ ) . '/translations.php'; + +if ( ! defined( 'PO_MAX_LINE_LEN' ) ) { + define( 'PO_MAX_LINE_LEN', 79 ); +} + +ini_set( 'auto_detect_line_endings', 1 ); + +/** + * Routines for working with PO files + */ +if ( ! class_exists( 'PO', false ) ) : + class PO extends Gettext_Translations { + + var $comments_before_headers = ''; + + /** + * Exports headers to a PO entry + * + * @return string msgid/msgstr PO entry for this PO file headers, doesn't contain newline at the end + */ + function export_headers() { + $header_string = ''; + foreach ( $this->headers as $header => $value ) { + $header_string .= "$header: $value\n"; + } + $poified = PO::poify( $header_string ); + if ( $this->comments_before_headers ) { + $before_headers = $this->prepend_each_line( rtrim( $this->comments_before_headers ) . "\n", '# ' ); + } else { + $before_headers = ''; + } + return rtrim( "{$before_headers}msgid \"\"\nmsgstr $poified" ); + } + + /** + * Exports all entries to PO format + * + * @return string sequence of mgsgid/msgstr PO strings, doesn't containt newline at the end + */ + function export_entries() { + //TODO sorting + return implode( "\n\n", array_map( array( 'PO', 'export_entry' ), $this->entries ) ); + } + + /** + * Exports the whole PO file as a string + * + * @param bool $include_headers whether to include the headers in the export + * @return string ready for inclusion in PO file string for headers and all the enrtries + */ + function export( $include_headers = true ) { + $res = ''; + if ( $include_headers ) { + $res .= $this->export_headers(); + $res .= "\n\n"; + } + $res .= $this->export_entries(); + return $res; + } + + /** + * Same as {@link export}, but writes the result to a file + * + * @param string $filename where to write the PO string + * @param bool $include_headers whether to include tje headers in the export + * @return bool true on success, false on error + */ + function export_to_file( $filename, $include_headers = true ) { + $fh = fopen( $filename, 'w' ); + if ( false === $fh ) { + return false; + } + $export = $this->export( $include_headers ); + $res = fwrite( $fh, $export ); + if ( false === $res ) { + return false; + } + return fclose( $fh ); + } + + /** + * Text to include as a comment before the start of the PO contents + * + * Doesn't need to include # in the beginning of lines, these are added automatically + */ + function set_comment_before_headers( $text ) { + $this->comments_before_headers = $text; + } + + /** + * Formats a string in PO-style + * + * @param string $string the string to format + * @return string the poified string + */ + public static function poify( $string ) { + $quote = '"'; + $slash = '\\'; + $newline = "\n"; + + $replaces = array( + "$slash" => "$slash$slash", + "$quote" => "$slash$quote", + "\t" => '\t', + ); + + $string = str_replace( array_keys( $replaces ), array_values( $replaces ), $string ); + + $po = $quote . implode( "${slash}n$quote$newline$quote", explode( $newline, $string ) ) . $quote; + // add empty string on first line for readbility + if ( false !== strpos( $string, $newline ) && + ( substr_count( $string, $newline ) > 1 || ! ( $newline === substr( $string, -strlen( $newline ) ) ) ) ) { + $po = "$quote$quote$newline$po"; + } + // remove empty strings + $po = str_replace( "$newline$quote$quote", '', $po ); + return $po; + } + + /** + * Gives back the original string from a PO-formatted string + * + * @param string $string PO-formatted string + * @return string enascaped string + */ + public static function unpoify( $string ) { + $escapes = array( + 't' => "\t", + 'n' => "\n", + 'r' => "\r", + '\\' => '\\', + ); + $lines = array_map( 'trim', explode( "\n", $string ) ); + $lines = array_map( array( 'PO', 'trim_quotes' ), $lines ); + $unpoified = ''; + $previous_is_backslash = false; + foreach ( $lines as $line ) { + preg_match_all( '/./u', $line, $chars ); + $chars = $chars[0]; + foreach ( $chars as $char ) { + if ( ! $previous_is_backslash ) { + if ( '\\' == $char ) { + $previous_is_backslash = true; + } else { + $unpoified .= $char; + } + } else { + $previous_is_backslash = false; + $unpoified .= isset( $escapes[ $char ] ) ? $escapes[ $char ] : $char; + } + } + } + + // Standardise the line endings on imported content, technically PO files shouldn't contain \r + $unpoified = str_replace( array( "\r\n", "\r" ), "\n", $unpoified ); + + return $unpoified; + } + + /** + * Inserts $with in the beginning of every new line of $string and + * returns the modified string + * + * @param string $string prepend lines in this string + * @param string $with prepend lines with this string + */ + public static function prepend_each_line( $string, $with ) { + $lines = explode( "\n", $string ); + $append = ''; + if ( "\n" === substr( $string, -1 ) && '' === end( $lines ) ) { + // Last line might be empty because $string was terminated + // with a newline, remove it from the $lines array, + // we'll restore state by re-terminating the string at the end + array_pop( $lines ); + $append = "\n"; + } + foreach ( $lines as &$line ) { + $line = $with . $line; + } + unset( $line ); + return implode( "\n", $lines ) . $append; + } + + /** + * Prepare a text as a comment -- wraps the lines and prepends # + * and a special character to each line + * + * @access private + * @param string $text the comment text + * @param string $char character to denote a special PO comment, + * like :, default is a space + */ + public static function comment_block( $text, $char = ' ' ) { + $text = wordwrap( $text, PO_MAX_LINE_LEN - 3 ); + return PO::prepend_each_line( $text, "#$char " ); + } + + /** + * Builds a string from the entry for inclusion in PO file + * + * @param Translation_Entry $entry the entry to convert to po string (passed by reference). + * @return false|string PO-style formatted string for the entry or + * false if the entry is empty + */ + public static function export_entry( &$entry ) { + if ( null === $entry->singular || '' === $entry->singular ) { + return false; + } + $po = array(); + if ( ! empty( $entry->translator_comments ) ) { + $po[] = PO::comment_block( $entry->translator_comments ); + } + if ( ! empty( $entry->extracted_comments ) ) { + $po[] = PO::comment_block( $entry->extracted_comments, '.' ); + } + if ( ! empty( $entry->references ) ) { + $po[] = PO::comment_block( implode( ' ', $entry->references ), ':' ); + } + if ( ! empty( $entry->flags ) ) { + $po[] = PO::comment_block( implode( ', ', $entry->flags ), ',' ); + } + if ( $entry->context ) { + $po[] = 'msgctxt ' . PO::poify( $entry->context ); + } + $po[] = 'msgid ' . PO::poify( $entry->singular ); + if ( ! $entry->is_plural ) { + $translation = empty( $entry->translations ) ? '' : $entry->translations[0]; + $translation = PO::match_begin_and_end_newlines( $translation, $entry->singular ); + $po[] = 'msgstr ' . PO::poify( $translation ); + } else { + $po[] = 'msgid_plural ' . PO::poify( $entry->plural ); + $translations = empty( $entry->translations ) ? array( '', '' ) : $entry->translations; + foreach ( $translations as $i => $translation ) { + $translation = PO::match_begin_and_end_newlines( $translation, $entry->plural ); + $po[] = "msgstr[$i] " . PO::poify( $translation ); + } + } + return implode( "\n", $po ); + } + + public static function match_begin_and_end_newlines( $translation, $original ) { + if ( '' === $translation ) { + return $translation; + } + + $original_begin = "\n" === substr( $original, 0, 1 ); + $original_end = "\n" === substr( $original, -1 ); + $translation_begin = "\n" === substr( $translation, 0, 1 ); + $translation_end = "\n" === substr( $translation, -1 ); + + if ( $original_begin ) { + if ( ! $translation_begin ) { + $translation = "\n" . $translation; + } + } elseif ( $translation_begin ) { + $translation = ltrim( $translation, "\n" ); + } + + if ( $original_end ) { + if ( ! $translation_end ) { + $translation .= "\n"; + } + } elseif ( $translation_end ) { + $translation = rtrim( $translation, "\n" ); + } + + return $translation; + } + + /** + * @param string $filename + * @return boolean + */ + function import_from_file( $filename ) { + $f = fopen( $filename, 'r' ); + if ( ! $f ) { + return false; + } + $lineno = 0; + while ( true ) { + $res = $this->read_entry( $f, $lineno ); + if ( ! $res ) { + break; + } + if ( $res['entry']->singular == '' ) { + $this->set_headers( $this->make_headers( $res['entry']->translations[0] ) ); + } else { + $this->add_entry( $res['entry'] ); + } + } + PO::read_line( $f, 'clear' ); + if ( false === $res ) { + return false; + } + if ( ! $this->headers && ! $this->entries ) { + return false; + } + return true; + } + + /** + * Helper function for read_entry + * + * @param string $context + * @return bool + */ + protected static function is_final( $context ) { + return ( $context === 'msgstr' ) || ( $context === 'msgstr_plural' ); + } + + /** + * @param resource $f |