mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-15 23:25:50 +01:00
b16368c268
The tag was supported in phpDocumentor 1.x, but is no longer supported in 2.x and 3.x. Usage of static variables is considered an internal implementation detail and has no information value for someone reading the docs. Props alishanvr, jrf. Fixes #50426. Built from https://develop.svn.wordpress.org/trunk@48109 git-svn-id: http://core.svn.wordpress.org/trunk@47878 1a063a9b-81f0-0310-95a4-ce76da25c4cd
508 lines
14 KiB
PHP
508 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 {
|
|
|
|
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 || 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 $entry the entry to convert to po string (passed by reference).
|
|
* @return string|false PO-style formatted string for the entry or
|
|
* false if the entry is empty
|
|
*/
|
|
public static function export_entry( &$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 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 ( '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 boolean
|
|
*/
|
|
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;
|