/**
* Given an array of strings, a number and, if wanted, an optional locale (the default one is used
* otherwise), this picks the right string according to plural rules of the locale
*
* @param array|string $strings
* @param int $number
* @throws Exception\InvalidArgumentException
* @return string
*/
public function __invoke($strings, $number)
{
if ($this->rule === null) {
throw new Exception\InvalidArgumentException(sprintf('No plural rule was set'));
}
if (!is_array($strings)) {
$strings = (array) $strings;
}
$pluralIndex = $this->rule->evaluate($number);
return $strings[$pluralIndex];
}
/**
* load(): defined by FileLoaderInterface.
*
* @see FileLoaderInterface::load()
* @param string $locale
* @param string $filename
* @return TextDomain|null
* @throws Exception\InvalidArgumentException
*/
public function load($locale, $filename)
{
$resolvedIncludePath = stream_resolve_include_path($filename);
$fromIncludePath = $resolvedIncludePath !== false ? $resolvedIncludePath : $filename;
if (!$fromIncludePath || !is_file($fromIncludePath) || !is_readable($fromIncludePath)) {
throw new Exception\InvalidArgumentException(sprintf('Could not find or open file %s for reading', $filename));
}
$messages = [];
$iniReader = new IniReader();
$messagesNamespaced = $iniReader->fromFile($fromIncludePath);
$list = $messagesNamespaced;
if (isset($messagesNamespaced['translation'])) {
$list = $messagesNamespaced['translation'];
}
foreach ($list as $message) {
if (!is_array($message) || count($message) < 2) {
throw new Exception\InvalidArgumentException('Each INI row must be an array with message and translation');
}
if (isset($message['message']) && isset($message['translation'])) {
$messages[$message['message']] = $message['translation'];
continue;
}
$messages[array_shift($message)] = array_shift($message);
}
if (!is_array($messages)) {
throw new Exception\InvalidArgumentException(sprintf('Expected an array, but received %s', gettype($messages)));
}
$textDomain = new TextDomain($messages);
if (array_key_exists('plural', $messagesNamespaced) && isset($messagesNamespaced['plural']['plural_forms'])) {
$textDomain->setPluralRule(PluralRule::fromString($messagesNamespaced['plural']['plural_forms']));
}
return $textDomain;
}
/**
* Get the plural rule.
*
* Lazy loads a default rule if none already registered
*
* @return PluralRule
*/
public function getPluralRule()
{
if ($this->pluralRule === null) {
$this->setPluralRule(PluralRule::fromString('nplurals=2; plural=n != 1;'));
}
return $this->pluralRule;
}
/**
* @dataProvider completeRuleProvider
*/
public function testCompleteRules($rule, $expectedValues)
{
$rule = Rule::fromString('nplurals=9; plural=' . $rule);
for ($i = 0; $i < 200; $i++) {
$this->assertEquals((int) $expectedValues[$i], $rule->evaluate($i));
}
}
/**
* Returns a shared default plural rule.
*
* @return PluralRule
*/
public static function getDefaultPluralRule()
{
if (static::$defaultPluralRule === null) {
static::$defaultPluralRule = PluralRule::fromString('nplurals=2; plural=n != 1;');
}
return static::$defaultPluralRule;
}
/**
* Set the plural rule to use
*
* @param PluralRule|string $pluralRule
* @return Plural
*/
public function setPluralRule($pluralRule)
{
if (!$pluralRule instanceof PluralRule) {
$pluralRule = PluralRule::fromString($pluralRule);
}
$this->rule = $pluralRule;
return $this;
}
public function testMergingIncompatibleTextDomains()
{
$this->setExpectedException('Zend\\I18n\\Exception\\RuntimeException', 'is not compatible');
$domainA = new TextDomain();
$domainB = new TextDomain();
$domainB->setPluralRule(PluralRule::fromString('nplurals=3; plural=n'));
$domainA->merge($domainB);
}
public function testMergingTextDomainWithoutPluralRuleIntoTextDomainWithPluralRule()
{
$domainA = new TextDomain();
$domainB = new TextDomain();
$domainA->setPluralRule(PluralRule::fromString('nplurals=3; plural=n'));
$domainA->merge($domainB);
$this->assertEquals(3, $domainA->getPluralRule()->getNumPlurals());
$this->assertFalse($domainB->hasPluralRule());
}
/**
* Translate a plural message.
*
* @param string $singular
* @param string $plural
* @param int $number
* @param string $textDomain
* @param string|null $locale
* @return string
* @throws Exception\OutOfBoundsException
*/
public function translatePlural($singular, $plural, $number, $textDomain = 'default', $locale = null)
{
$locale = $locale ?: $this->getLocale();
$translation = $this->getTranslatedMessage($singular, $locale, $textDomain);
if ($translation === null || $translation === '') {
if (null !== ($fallbackLocale = $this->getFallbackLocale()) && $locale !== $fallbackLocale) {
return $this->translatePlural($singular, $plural, $number, $textDomain, $fallbackLocale);
}
return $number == 1 ? $singular : $plural;
}
$index = Rule::fromString('nplurals=3; nplural=(n%100>10&&n%100<20 ? 2 : (n%100%10>1&&n%100%10<5 ? 1 : (n%100%10==1 ? 0 : 2)))')->evaluate($number);
if (!isset($translation[$index])) {
throw new Exception\OutOfBoundsException(sprintf('Provided index %d does not exist in plural array', $index));
}
return $translation[$index];
}
/**
* {@inheritdoc}
*/
public function load($locale, $filename)
{
if (!is_file($filename) || !is_readable($filename)) {
throw new Exception\InvalidArgumentException(sprintf('Could not open file %s for reading', $filename));
}
$messages = (include $filename);
if (!is_array($messages)) {
throw new Exception\InvalidArgumentException(sprintf('Expected an array, but received %s', gettype($messages)));
}
$textDomain = new TextDomain($messages);
if (array_key_exists('', $textDomain)) {
if (isset($textDomain['']['plural_forms'])) {
$textDomain->setPluralRule(PluralRule::fromString($textDomain['']['plural_forms']));
}
unset($textDomain['']);
}
return $textDomain;
}
/**
* Load translations from a remote source.
*
* @param string $locale
* @param string $textDomain
*
* @throws \Zend\I18n\Exception\InvalidArgumentException
* @return \Zend\I18n\Translator\TextDomain|null
*/
public function load($locale, $textDomain)
{
if (!is_array($this->messages)) {
throw new Exception\InvalidArgumentException(sprintf('Expected an array, but received %s', gettype($this->messages)));
}
if (!isset($this->messages[$textDomain])) {
throw new Exception\InvalidArgumentException(sprintf('Expected textdomain "%s" to be an array, but it is not set', $textDomain));
}
if (!isset($this->messages[$textDomain][$locale])) {
throw new Exception\InvalidArgumentException(sprintf('Expected locale "%s" to be an array, but it is not set', $locale));
}
$textDomain = new TextDomain($this->messages[$textDomain][$locale]);
if (array_key_exists('', $textDomain)) {
if (isset($textDomain['']['plural_forms'])) {
$textDomain->setPluralRule(PluralRule::fromString($textDomain['']['plural_forms']));
}
unset($textDomain['']);
}
return $textDomain;
}
/**
* load(): defined by FileLoaderInterface.
*
* @see FileLoaderInterface::load()
* @param string $locale
* @param string $filename
* @return TextDomain|null
* @throws Exception\InvalidArgumentException
*/
public function load($locale, $filename)
{
if (!is_file($filename) || !is_readable($filename)) {
throw new Exception\InvalidArgumentException(sprintf('Could not open file %s for reading', $filename));
}
$messages = json_decode(file_get_contents($filename), true);
if (!is_array($messages)) {
if (ipConfig()->isDevelopmentEnvironment()) {
throw new Exception\InvalidArgumentException(sprintf('Expected an array, but received %s', gettype($messages)));
} else {
return null;
}
}
$textDomain = new TextDomain($messages);
if (array_key_exists('', $textDomain)) {
if (isset($textDomain['']['plural_forms'])) {
$textDomain->setPluralRule(PluralRule::fromString($textDomain['']['plural_forms']));
}
unset($textDomain['']);
}
return $textDomain;
}
/**
* load(): defined by LoaderInterface.
*
* @see LoaderInterface::load()
* @param string $filename
* @param string $locale
* @return TextDomain|null
* @throws Exception\InvalidArgumentException
*/
public function load($locale, $filename)
{
if (!is_file($filename) || !is_readable($filename)) {
throw new Exception\InvalidArgumentException(sprintf('Could not open file %s for reading', $filename));
}
$messages = array();
if (($handle = fopen($filename, "r")) !== false) {
while (($cell = $this->fgetcsv($handle)) !== false) {
if (!isset($cell[0])) {
continue;
}
$messages[strtolower($cell[0])] = isset($cell[1]) ? $cell[1] : '';
}
fclose($handle);
}
$textDomain = new TextDomain($messages);
if (array_key_exists('', $textDomain)) {
if (isset($textDomain['']['plural_forms'])) {
$textDomain->setPluralRule(PluralRule::fromString($textDomain['']['plural_forms']));
}
unset($textDomain['']);
}
return $textDomain;
}
public function testPluralRuleSetter()
{
$domain = new TextDomain();
$domain->setPluralRule(PluralRule::fromString('nplurals=3; plural=n'));
$this->assertEquals(2, $domain->getPluralRule()->evaluate(2));
}
/**
* load(): defined by FileLoaderInterface.
*
* @see FileLoaderInterface::load()
* @param string $locale
* @param string $filename
* @return TextDomain
* @throws Exception\InvalidArgumentException
*/
public function load($locale, $filename)
{
$resolvedFile = $this->resolveFile($filename);
if (!$resolvedFile) {
throw new Exception\InvalidArgumentException(sprintf('Could not find or open file %s for reading', $filename));
}
$textDomain = new TextDomain();
ErrorHandler::start();
$this->file = fopen($resolvedFile, 'rb');
$error = ErrorHandler::stop();
if (false === $this->file) {
throw new Exception\InvalidArgumentException(sprintf('Could not open file %s for reading', $filename), 0, $error);
}
// Verify magic number
$magic = fread($this->file, 4);
if ($magic == "•Þ") {
$this->littleEndian = false;
} elseif ($magic == "Þ•") {
$this->littleEndian = true;
} else {
fclose($this->file);
throw new Exception\InvalidArgumentException(sprintf('%s is not a valid gettext file', $filename));
}
// Verify major revision (only 0 and 1 supported)
$majorRevision = $this->readInteger() >> 16;
if ($majorRevision !== 0 && $majorRevision !== 1) {
fclose($this->file);
throw new Exception\InvalidArgumentException(sprintf('%s has an unknown major revision', $filename));
}
// Gather main information
$numStrings = $this->readInteger();
$originalStringTableOffset = $this->readInteger();
$translationStringTableOffset = $this->readInteger();
// Usually there follow size and offset of the hash table, but we have
// no need for it, so we skip them.
fseek($this->file, $originalStringTableOffset);
$originalStringTable = $this->readIntegerList(2 * $numStrings);
fseek($this->file, $translationStringTableOffset);
$translationStringTable = $this->readIntegerList(2 * $numStrings);
// Read in all translations
for ($current = 0; $current < $numStrings; $current++) {
$sizeKey = $current * 2 + 1;
$offsetKey = $current * 2 + 2;
$originalStringSize = $originalStringTable[$sizeKey];
$originalStringOffset = $originalStringTable[$offsetKey];
$translationStringSize = $translationStringTable[$sizeKey];
$translationStringOffset = $translationStringTable[$offsetKey];
$originalString = array('');
if ($originalStringSize > 0) {
fseek($this->file, $originalStringOffset);
$originalString = explode("", fread($this->file, $originalStringSize));
}
if ($translationStringSize > 0) {
fseek($this->file, $translationStringOffset);
$translationString = explode("", fread($this->file, $translationStringSize));
if (count($originalString) > 1 && count($translationString) > 1) {
$textDomain[$originalString[0]] = $translationString;
array_shift($originalString);
foreach ($originalString as $string) {
$textDomain[$string] = '';
}
} else {
$textDomain[$originalString[0]] = $translationString[0];
}
}
}
// Read header entries
if (array_key_exists('', $textDomain)) {
$rawHeaders = explode("\n", trim($textDomain['']));
foreach ($rawHeaders as $rawHeader) {
list($header, $content) = explode(':', $rawHeader, 2);
if (trim(strtolower($header)) === 'plural-forms') {
$textDomain->setPluralRule(PluralRule::fromString($content));
}
}
unset($textDomain['']);
}
fclose($this->file);
return $textDomain;
}
public function testGetNumPlurals()
{
$rule = Rule::fromString('nplurals=9; plural=n');
$this->assertEquals(9, $rule->getNumPlurals());
}
