/**
* {@inheritdoc}
*/
public function beforeCompile(CompilationContextInterface $context)
{
// The language data is contained in the locales bundle in ICU <= 4.2
if (IcuVersion::compare($context->getIcuVersion(), '4.2', '<=', 1)) {
return $context->getSourceDir() . '/locales';
}
return $context->getSourceDir() . '/lang';
}
/**
* {@inheritdoc}
*/
public function afterCompile(CompilationContextInterface $context)
{
// \ResourceBundle does not like locale names with uppercase chars, so rename
// the resource file
// See: http://bugs.php.net/bug.php?id=54025
$fileName = $context->getBinaryDir() . '/curr/supplementalData.res';
$fileNameLower = $context->getBinaryDir() . '/curr/supplementaldata.res';
$context->getFilesystem()->rename($fileName, $fileNameLower);
}
private function scanLocales(CompilationContextInterface $context)
{
$tempDir = sys_get_temp_dir() . '/icu-data-locales-source';
$context->getFilesystem()->remove($tempDir);
$context->getFilesystem()->mkdir($tempDir);
// Temporarily generate the resource bundles
$context->getCompiler()->compile($context->getSourceDir() . '/locales', $tempDir);
// Discover the list of supported locales, which are the names of the resource
// bundles in the "locales" directory
$locales = glob($tempDir . '/*.res');
// Remove file extension and sort
array_walk($locales, function (&$locale) {
$locale = basename($locale, '.res');
});
sort($locales);
// Delete unneeded locales
foreach ($locales as $key => $locale) {
// Delete all aliases from the list
// i.e., "az_AZ" is an alias for "az_Latn_AZ"
$content = file_get_contents($context->getSourceDir() . '/locales/' . $locale . '.txt');
// The key "%%ALIAS" is not accessible through the \ResourceBundle class,
// so look in the original .txt file instead
if (strpos($content, '%%ALIAS') !== false) {
unset($locales[$key]);
}
// Delete locales that have no content (i.e. only "Version" key)
try {
$bundle = new \ResourceBundle($locale, $tempDir);
} catch (\Exception $e) {
// HHVM compatibility: constructor throws on invalid resource
$bundle = null;
}
if (null === $bundle) {
throw new RuntimeException('The resource bundle for locale ' . $locale . ' could not be loaded from directory ' . $tempDir);
}
// There seems to be no other way for identifying all keys in this specific
// resource bundle
if (array_keys(iterator_to_array($bundle)) === array('Version')) {
unset($locales[$key]);
}
}
$context->getFilesystem()->remove($tempDir);
return $locales;
}
/**
* Runs the compilation with the given compilation context.
*
* @param CompilationContextInterface $context The context storing information
* needed to run the compilation.
*
* @throws RuntimeException If any of the files to be compiled by the loaded
* compilation rules does not exist.
*/
public function compileBundles(CompilationContextInterface $context)
{
$filesystem = $context->getFilesystem();
$compiler = $context->getCompiler();
$filesystem->remove($context->getBinaryDir());
$filesystem->mkdir($context->getBinaryDir());
foreach ($this->rules as $rule) {
$filesystem->mkdir($context->getBinaryDir() . '/' . $rule->getBundleName());
$resources = (array) $rule->beforeCompile($context);
foreach ($resources as $resource) {
if (!file_exists($resource)) {
throw new RuntimeException(sprintf('The file "%s" to be compiled by %s does not exist.', $resource, get_class($rule)));
}
$compiler->compile($resource, $context->getBinaryDir() . '/' . $rule->getBundleName());
}
$rule->afterCompile($context);
}
}