mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-05 02:10:45 +01:00
5892cd545e
This fixes a PHP 8 "argument must be passed by reference, value given" error when using `array_map()` in `PO::export_entries()`. Object variables in PHP 5+ contain a reference to the object, and it's the reference that's passed around. Props jrf. See #50913. Built from https://develop.svn.wordpress.org/trunk@49186 git-svn-id: http://core.svn.wordpress.org/trunk@48948 1a063a9b-81f0-0310-95a4-ce76da25c4cd
510 lines
14 KiB
PHP
510 lines
14 KiB
PHP
<?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 __DIR__ . '/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 {
|
|
|
|
public $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 the 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
|
|
*
|
|
* @param string $text Text to include as a comment.
|
|
*/
|
|
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 || substr( $string, -strlen( $newline ) ) !== $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.
|
|
* @return string|false 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 bool
|
|
*/
|
|
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 ( 'msgstr' === $context ) || ( 'msgstr_plural' === $context );
|
|
}
|
|
|
|
/**
|
|
* @param resource $f
|
|
* @param int $lineno
|
|
* @return null|false|array
|
|
*/
|
|
function read_entry( $f, $lineno = 0 ) {
|
|
$entry = new Translation_Entry();
|
|
// Where were we in the last step.
|
|
// Can be: comment, msgctxt, msgid, msgid_plural, msgstr, msgstr_plural.
|
|
$context = '';
|
|
$msgstr_index = 0;
|
|
while ( true ) {
|
|
$lineno++;
|
|
$line = PO::read_line( $f );
|
|
if ( ! $line ) {
|
|
if ( feof( $f ) ) {
|
|
if ( self::is_final( $context ) ) {
|
|
break;
|
|
} elseif ( ! $context ) { // We haven't read a line and EOF came.
|
|
return null;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
if ( "\n" === $line ) {
|
|
continue;
|
|
}
|
|
$line = trim( $line );
|
|
if ( preg_match( '/^#/', $line, $m ) ) {
|
|
// The comment is the start of a new entry.
|
|
if ( self::is_final( $context ) ) {
|
|
PO::read_line( $f, 'put-back' );
|
|
$lineno--;
|
|
break;
|
|
}
|
|
// Comments have to be at the beginning.
|
|
if ( $context && 'comment' !== $context ) {
|
|
return false;
|
|
}
|
|
// Add comment.
|
|
$this->add_comment_to_entry( $entry, $line );
|
|
} elseif ( preg_match( '/^msgctxt\s+(".*")/', $line, $m ) ) {
|
|
if ( self::is_final( $context ) ) {
|
|
PO::read_line( $f, 'put-back' );
|
|
$lineno--;
|
|
break;
|
|
}
|
|
if ( $context && 'comment' !== $context ) {
|
|
return false;
|
|
}
|
|
$context = 'msgctxt';
|
|
$entry->context .= PO::unpoify( $m[1] );
|
|
} elseif ( preg_match( '/^msgid\s+(".*")/', $line, $m ) ) {
|
|
if ( self::is_final( $context ) ) {
|
|
PO::read_line( $f, 'put-back' );
|
|
$lineno--;
|
|
break;
|
|
}
|
|
if ( $context && 'msgctxt' !== $context && 'comment' !== $context ) {
|
|
return false;
|
|
}
|
|
$context = 'msgid';
|
|
$entry->singular .= PO::unpoify( $m[1] );
|
|
} elseif ( preg_match( '/^msgid_plural\s+(".*")/', $line, $m ) ) {
|
|
if ( 'msgid' !== $context ) {
|
|
return false;
|
|
}
|
|
$context = 'msgid_plural';
|
|
$entry->is_plural = true;
|
|
$entry->plural .= PO::unpoify( $m[1] );
|
|
} elseif ( preg_match( '/^msgstr\s+(".*")/', $line, $m ) ) {
|
|
if ( 'msgid' !== $context ) {
|
|
return false;
|
|
}
|
|
$context = 'msgstr';
|
|
$entry->translations = array( PO::unpoify( $m[1] ) );
|
|
} elseif ( preg_match( '/^msgstr\[(\d+)\]\s+(".*")/', $line, $m ) ) {
|
|
if ( 'msgid_plural' !== $context && 'msgstr_plural' !== $context ) {
|
|
return false;
|
|
}
|
|
$context = 'msgstr_plural';
|
|
$msgstr_index = $m[1];
|
|
$entry->translations[ $m[1] ] = PO::unpoify( $m[2] );
|
|
} elseif ( preg_match( '/^".*"$/', $line ) ) {
|
|
$unpoified = PO::unpoify( $line );
|
|
switch ( $context ) {
|
|
case 'msgid':
|
|
$entry->singular .= $unpoified;
|
|
break;
|
|
case 'msgctxt':
|
|
$entry->context .= $unpoified;
|
|
break;
|
|
case 'msgid_plural':
|
|
$entry->plural .= $unpoified;
|
|
break;
|
|
case 'msgstr':
|
|
$entry->translations[0] .= $unpoified;
|
|
break;
|
|
case 'msgstr_plural':
|
|
$entry->translations[ $msgstr_index ] .= $unpoified;
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$have_translations = false;
|
|
foreach ( $entry->translations as $t ) {
|
|
if ( $t || ( '0' === $t ) ) {
|
|
$have_translations = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( false === $have_translations ) {
|
|
$entry->translations = array();
|
|
}
|
|
|
|
return array(
|
|
'entry' => $entry,
|
|
'lineno' => $lineno,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param resource $f
|
|
* @param string $action
|
|
* @return bool
|
|
*/
|
|
function read_line( $f, $action = 'read' ) {
|
|
static $last_line = '';
|
|
static $use_last_line = false;
|
|
if ( 'clear' === $action ) {
|
|
$last_line = '';
|
|
return true;
|
|
}
|
|
if ( 'put-back' === $action ) {
|
|
$use_last_line = true;
|
|
return true;
|
|
}
|
|
$line = $use_last_line ? $last_line : fgets( $f );
|
|
$line = ( "\r\n" === substr( $line, -2 ) ) ? rtrim( $line, "\r\n" ) . "\n" : $line;
|
|
$last_line = $line;
|
|
$use_last_line = false;
|
|
return $line;
|
|
}
|
|
|
|
/**
|
|
* @param Translation_Entry $entry
|
|
* @param string $po_comment_line
|
|
*/
|
|
function add_comment_to_entry( &$entry, $po_comment_line ) {
|
|
$first_two = substr( $po_comment_line, 0, 2 );
|
|
$comment = trim( substr( $po_comment_line, 2 ) );
|
|
if ( '#:' === $first_two ) {
|
|
$entry->references = array_merge( $entry->references, preg_split( '/\s+/', $comment ) );
|
|
} elseif ( '#.' === $first_two ) {
|
|
$entry->extracted_comments = trim( $entry->extracted_comments . "\n" . $comment );
|
|
} elseif ( '#,' === $first_two ) {
|
|
$entry->flags = array_merge( $entry->flags, preg_split( '/,\s*/', $comment ) );
|
|
} else {
|
|
$entry->translator_comments = trim( $entry->translator_comments . "\n" . $comment );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $s
|
|
* @return string
|
|
*/
|
|
public static function trim_quotes( $s ) {
|
|
if ( '"' === substr( $s, 0, 1 ) ) {
|
|
$s = substr( $s, 1 );
|
|
}
|
|
if ( '"' === substr( $s, -1, 1 ) ) {
|
|
$s = substr( $s, 0, -1 );
|
|
}
|
|
return $s;
|
|
}
|
|
}
|
|
endif;
|