friendica/src/Core/Console/PhpToPo.php

235 lines
6.3 KiB
PHP

<?php
namespace Friendica\Core\Console;
/**
* Read a strings.php file and create messages.po in the same directory
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class PhpToPo extends \Asika\SimpleConsole\Console
{
protected $helpOptions = ['h', 'help', '?'];
private $normBaseMsgIds = [];
const NORM_REGEXP = "|[\\\]|";
protected function getHelp()
{
$help = <<<HELP
console php2po - Generate a messages.po file from a strings.php file
Usage
bin/console php2po [-p <n>] [--base <file>] <path/to/strings.php> [-h|--help|-?] [-v]
Description
Read a strings.php file and create the according messages.po in the same directory
Options
-p <n> Number of plural forms. Default: 2
--base <file> Path to base messages.po file. Default: util/messages.po
-h|--help|-? Show help information
-v Show more debug information.
HELP;
return $help;
}
protected function doExecute()
{
if ($this->getOption('v')) {
$this->out('Class: ' . __CLASS__);
$this->out('Arguments: ' . var_export($this->args, true));
$this->out('Options: ' . var_export($this->options, true));
}
if (count($this->args) == 0) {
$this->out($this->getHelp());
return 0;
}
if (count($this->args) > 1) {
throw new \Asika\SimpleConsole\CommandArgsException('Too many arguments');
}
$a = get_app();
$phpfile = realpath($this->getArgument(0));
if (!file_exists($phpfile)) {
throw new \RuntimeException('Supplied file path doesn\'t exist.');
}
if (!is_writable(dirname($phpfile))) {
throw new \RuntimeException('Supplied directory isn\'t writable.');
}
$pofile = dirname($phpfile) . DIRECTORY_SEPARATOR . 'messages.po';
// start !
include_once($phpfile);
$out = '';
$out .= "# FRIENDICA Distributed Social Network\n";
$out .= "# Copyright (C) 2010, 2011, 2012, 2013 the Friendica Project\n";
$out .= "# This file is distributed under the same license as the Friendica package.\n";
$out .= "# \n";
$out .= 'msgid ""' . "\n";
$out .= 'msgstr ""' . "\n";
$out .= '"Project-Id-Version: friendica\n"' . "\n";
$out .= '"Report-Msgid-Bugs-To: \n"' . "\n";
$out .= '"POT-Creation-Date: ' . date("Y-m-d H:i:sO") . '\n"' . "\n";
$out .= '"MIME-Version: 1.0\n"' . "\n";
$out .= '"Content-Type: text/plain; charset=UTF-8\n"' . "\n";
$out .= '"Content-Transfer-Encoding: 8bit\n"' . "\n";
// search for plural info
$lang = "";
$lang_logic = "";
$lang_pnum = $this->getOption('p', 2);
$infile = file($phpfile);
foreach ($infile as $l) {
$l = trim($l);
if ($this->startsWith($l, 'function string_plural_select_')) {
$lang = str_replace('function string_plural_select_', '', str_replace('($n){', '', $l));
}
if ($this->startsWith($l, 'return')) {
$lang_logic = str_replace('$', '', trim(str_replace('return ', '', $l), ';'));
break;
}
}
$this->out('Language: ' . $lang);
$this->out('Plural forms: ' . $lang_pnum);
$this->out('Plural forms: ' . $lang_logic);
$out .= sprintf('"Language: %s\n"', $lang) . "\n";
$out .= sprintf('"Plural-Forms: nplurals=%s; plural=%s;\n"', $lang_pnum, $lang_logic) . "\n";
$out .= "\n";
$base_path = $this->getOption('base', 'util' . DIRECTORY_SEPARATOR . 'messages.po');
// load base messages.po and extract msgids
$base_msgids = [];
$base_f = file($base_path);
if (!$base_f) {
throw new \RuntimeException('The base ' . $base_path . ' file is missing or unavailable to read.');
}
$this->out('Loading base file ' . $base_path . '...');
$_f = 0;
$_mid = "";
$_mids = [];
foreach ($base_f as $l) {
$l = trim($l);
if ($this->startsWith($l, 'msgstr')) {
if ($_mid != '""') {
$base_msgids[$_mid] = $_mids;
$this->normBaseMsgIds[preg_replace(self::NORM_REGEXP, "", $_mid)] = $_mid;
}
$_f = 0;
$_mid = "";
$_mids = [];
}
if ($this->startsWith($l, '"') && $_f == 2) {
$_mids[count($_mids) - 1] .= "\n" . $l;
}
if ($this->startsWith($l, 'msgid_plural ')) {
$_f = 2;
$_mids[] = str_replace('msgid_plural ', '', $l);
}
if ($this->startsWith($l, '"') && $_f == 1) {
$_mid .= "\n" . $l;
$_mids[count($_mids) - 1] .= "\n" . $l;
}
if ($this->startsWith($l, 'msgid ')) {
$_f = 1;
$_mid = str_replace('msgid ', '', $l);
$_mids = [$_mid];
}
}
$this->out('Creating ' . $pofile . '...');
// create msgid and msgstr
$warnings = "";
foreach ($a->strings as $key => $str) {
$msgid = $this->massageString($key);
if (preg_match("|%[sd0-9](\$[sn])*|", $msgid)) {
$out .= "#, php-format\n";
}
$msgid = $this->findOriginalMsgId($msgid);
$out .= 'msgid ' . $msgid . "\n";
if (is_array($str)) {
if (array_key_exists($msgid, $base_msgids) && isset($base_msgids[$msgid][1])) {
$out .= 'msgid_plural ' . $base_msgids[$msgid][1] . "\n";
} else {
$out .= 'msgid_plural ' . $msgid . "\n";
$warnings .= "[W] No source plural form for msgid:\n" . str_replace("\n", "\n\t", $msgid) . "\n\n";
}
foreach ($str as $n => $msgstr) {
$out .= 'msgstr[' . $n . '] ' . $this->massageString($msgstr) . "\n";
}
} else {
$out .= 'msgstr ' . $this->massageString($str) . "\n";
}
$out .= "\n";
}
if (!file_put_contents($pofile, $out)) {
throw new \RuntimeException('Unable to write to ' . $pofile);
}
if ($warnings != '') {
$this->out($warnings);
}
return 0;
}
private function startsWith($haystack, $needle)
{
// search backwards starting from haystack length characters from the end
return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== FALSE;
}
/**
* Get a string and retun a message.po ready text
* - replace " with \"
* - replace tab char with \t
* - manage multiline strings
*/
private function massageString($str)
{
$str = str_replace('\\', '\\\\', $str);
$str = str_replace('"', '\"', $str);
$str = str_replace("\t", '\t', $str);
$str = str_replace("\n", '\n"' . "\n" . '"', $str);
if (strpos($str, "\n") !== false && $str[0] !== '"') {
$str = '"' . "\n" . $str;
}
$str = preg_replace("|\n([^\"])|", "\n\"$1", $str);
return sprintf('"%s"', $str);
}
private function findOriginalMsgId($str)
{
$norm_str = preg_replace(self::NORM_REGEXP, "", $str);
if (array_key_exists($norm_str, $this->normBaseMsgIds)) {
return $this->normBaseMsgIds[$norm_str];
}
return $str;
}
}