/**
* Cache file (do not regenerate on every call)
*
* @return $this
*/
public function cache()
{
$this->prepare();
if (!$this->target->exists() || !$this->lazy && $this->manager->isDebug()) {
$this->write();
}
return $this;
}
/**
* Get last logs
*
* @param int $count Line count numbered from end
*
* @return null|string
*/
public function tail($count)
{
if (!$this->file->exists()) {
return null;
}
$lines = $this->file->tail($count);
$data = implode($lines, PHP_EOL);
return $data;
}
/**
* {@inheritdoc}
*/
public function write(Config $config, $target)
{
$file = new File($target);
if ($file->exists()) {
throw new \LogicException(sprintf("Config target file already exists '%s'", $target));
}
$data = sprintf("<?php\n\n// \nreturn %s;\n", var_export($config->getData(), true));
$file->write($data);
return $this;
}
/**
* @param string $source
*
* @throws \LogicException
* @throws \ErrorException
*
* @return Config
*/
public function read($source)
{
$file = new File($source);
if (!$file->exists()) {
throw new \LogicException(sprintf("Config source file '%s' does not exist.", $source));
}
// Possible syntax errors, do not handle them / expensive!
$path = $file->getPath();
$data = (include $path);
if (!is_array($data)) {
throw new \ErrorException("Config source file should return array: '%s'", $source);
}
$config = new Config();
$config->setData($data);
return $config;
}
