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<?php
use Gettext\Languages\Exporter\Exporter;
use Gettext\Languages\Language;
// Let's start by imposing that we don't accept any error or warning.
// This is a really life-saving approach.
error_reporting(E_ALL);
set_error_handler(function ($errno, $errstr, $errfile, $errline) {
Enviro::echoErr("$errstr\nFile: $errfile\nLine: $errline\nCode: $errno\n");
die(5);
});
require_once dirname(__DIR__).'/src/autoloader.php';
// Parse the command line options
Enviro::initialize();
try {
if (isset(Enviro::$languages)) {
$languages = array();
foreach (Enviro::$languages as $languageId) {
$language = Language::getById($languageId);
if (!isset($language)) {
throw new Exception("Unable to find the language with id '$languageId'");
}
$languages[] = $language;
}
} else {
$languages = Language::getAll();
}
if (Enviro::$reduce) {
$languages = Enviro::reduce($languages);
}
if (isset(Enviro::$outputFilename)) {
echo call_user_func(array(Exporter::getExporterClassName(Enviro::$outputFormat), 'toFile'), $languages, Enviro::$outputFilename, array('us-ascii' => Enviro::$outputUSAscii));
} else {
echo call_user_func(array(Exporter::getExporterClassName(Enviro::$outputFormat), 'toString'), $languages, array('us-ascii' => Enviro::$outputUSAscii));
}
} catch (Exception $x) {
Enviro::echoErr($x->getMessage()."\n");
Enviro::echoErr("Trace:\n");
Enviro::echoErr($x->getTraceAsString()."\n");
die(4);
}
die(0);
/**
* Helper class to handle command line options.
*/
class Enviro
{
/**
* Shall the output contain only US-ASCII characters?
* @var bool
*/
public static $outputUSAscii;
/**
* The output format.
* @var string
*/
public static $outputFormat;
/**
* Output file name.
* @var string
*/
public static $outputFilename;
/**
* List of wanted language IDs; it not set: all languages will be returned.
* @var array|null
*/
public static $languages;
/**
* Reduce the language list to the minimum common denominator.
* @var bool
*/
public static $reduce;
/**
* Parse the command line options.
*/
public static function initialize()
{
global $argv;
self::$outputUSAscii = false;
self::$outputFormat = null;
self::$outputFilename = null;
self::$languages = null;
self::$reduce = null;
$exporters = Exporter::getExporters();
if (isset($argv) && is_array($argv)) {
foreach ($argv as $argi => $arg) {
if ($argi === 0) {
continue;
}
if (is_string($arg)) {
$argLC = trim(strtolower($arg));
switch ($argLC) {
case '--us-ascii':
self::$outputUSAscii = true;
break;
case '--reduce=yes':
self::$reduce = true;
break;
case '--reduce=no':
self::$reduce = false;
break;
default:
if (preg_match('/^--output=.+$/', $argLC)) {
if (isset(self::$outputFilename)) {
self::echoErr("The output file name has been specified more than once!\n");
self::showSyntax();
die(3);
}
list(, self::$outputFilename) = explode('=', $arg, 2);
self::$outputFilename = trim(self::$outputFilename);
} elseif (preg_match('/^--languages?=.+$/', $argLC)) {
list(, $s) = explode('=', $arg, 2);
$list = explode(',', $s);
if (is_array(self::$languages)) {
self::$languages = array_merge(self::$languages, $list);
} else {
self::$languages = $list;
}
} elseif (isset($exporters[$argLC])) {
if (isset(self::$outputFormat)) {
self::echoErr("The output format has been specified more than once!\n");
self::showSyntax();
die(3);
}
self::$outputFormat = $argLC;
} else {
self::echoErr("Unknown option: $arg\n");
self::showSyntax();
die(2);
}
break;
}
}
}
}
if (!isset(self::$outputFormat)) {
self::showSyntax();
die(1);
}
if (isset(self::$languages)) {
self::$languages = array_values(array_unique(self::$languages));
}
if (!isset(self::$reduce)) {
self::$reduce = isset(self::$languages) ? false : true;
}
}
/**
* Write out the syntax.
*/
public static function showSyntax()
{
$exporters = array_keys(Exporter::getExporters(true));
self::echoErr("Syntax: php ".basename(__FILE__)." [--us-ascii] [--languages=<LanguageId>[,<LanguageId>,...]] [--reduce=yes|no] [--output=<file name>] <".implode('|', $exporters).">\n");
self::echoErr("Where:\n");
self::echoErr("--us-ascii : if specified, the output will contain only US-ASCII characters.\n");
self::echoErr("--languages: (or --language) export only the specified language codes.\n");
self::echoErr(" Separate languages with commas; you can also use this argument\n");
self::echoErr(" more than once; it's case insensitive and accepts both '_' and\n");
self::echoErr(" '-' as locale chunks separator (eg we accept 'it_IT' as well as\n");
self::echoErr(" 'it-it').\n");
self::echoErr("--reduce : if set to yes the output won't contain languages with the same\n");
self::echoErr(" base language and rules.\n For instance nl_BE ('Flemish') will be\n");
self::echoErr(" omitted because it's the same as nl ('Dutch').\n");
self::echoErr(" Defaults to 'no' --languages is specified, to 'yes' otherwise.\n");
self::echoErr("--output : if specified, the output will be saved to <file name>. If not\n");
self::echoErr(" specified we'll output to standard output.\n");
self::echoErr("Output formats\n");
$len = max(array_map('strlen', $exporters));
foreach ($exporters as $exporter) {
self::echoErr(str_pad($exporter, $len).": ".Exporter::getExporterDescription($exporter)."\n");
}
}
/**
* Print a string to stderr.
* @param string $str The string to be printed out.
*/
public static function echoErr($str)
{
$hStdErr = @fopen('php://stderr', 'a');
if ($hStdErr === false) {
echo $str;
} else {
fwrite($hStdErr, $str);
fclose($hStdErr);
}
}
/**
* Reduce a language list to the minimum common denominator.
* @param Language[] $languages
* @return Language[]
*/
public static function reduce($languages)
{
for ($numChunks = 3; $numChunks >= 2; $numChunks--) {
$filtered = array();
foreach ($languages as $language) {
$chunks = explode('_', $language->id);
$compatibleFound = false;
if (count($chunks) === $numChunks) {
$categoriesHash = serialize($language->categories);
$otherIds = array();
$otherIds[] = $chunks[0];
for ($k = 2; $k < $numChunks; $k++) {
$otherIds[] = $chunks[0].'_'.$chunks[$numChunks - 1];
}
foreach ($languages as $check) {
foreach ($otherIds as $otherId) {
if (($check->id === $otherId) && ($check->formula === $language->formula) && (serialize($check->categories) === $categoriesHash)) {
$compatibleFound = true;
break;
}
}
if ($compatibleFound === true) {
break;
}
}
}
if (!$compatibleFound) {
$filtered[] = $language;
}
}
$languages = $filtered;
}
return $languages;
}
}
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