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<?php
/*
* This file is part of the Fxp Composer Asset Plugin package.
*
* (c) François Pluchino <francois.pluchino@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Fxp\Composer\AssetPlugin\Installer;
use Composer\Util\Filesystem;
use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\Glob;
/**
* Manager of ignore patterns.
*
* @author Martin Hasoň <martin.hason@gmail.com>
* @author François Pluchino <francois.pluchino@gmail.com>
*/
class IgnoreManager
{
/**
* @var string
*/
protected $installDir;
/**
* @var bool
*/
protected $enabled;
/**
* @var bool
*/
protected $hasPattern;
/**
* @var Filesystem
*/
private $filesystem;
/**
* @var Finder
*/
private $finder;
/**
* Constructor.
*
* @param string $installDir The install dir
* @param null|Filesystem $filesystem The filesystem
*/
public function __construct($installDir, Filesystem $filesystem = null)
{
$this->installDir = $installDir;
$this->filesystem = $filesystem ?: new Filesystem();
$this->enabled = true;
$this->hasPattern = false;
$this->finder = Finder::create()->ignoreVCS(true)->ignoreDotFiles(false);
}
/**
* Enable or not this ignore files manager.
*
* @param bool $enabled
*
* @return self
*/
public function setEnabled($enabled)
{
$this->enabled = (bool) $enabled;
return $this;
}
/**
* Check if this ignore files manager is enabled.
*
* @return bool
*/
public function isEnabled()
{
return $this->enabled;
}
/**
* Check if a pattern is added.
*
* @return bool
*/
public function hasPattern()
{
return $this->hasPattern;
}
/**
* Adds an ignore pattern.
*
* @param string $pattern The pattern
*/
public function addPattern($pattern)
{
$this->doAddPattern($this->convertPattern($pattern));
$this->hasPattern = true;
}
/**
* Deletes all files and directories that matches patterns.
*/
public function cleanup()
{
if ($this->isEnabled() && $this->hasPattern() && realpath($this->installDir)) {
$paths = iterator_to_array($this->finder->in($this->installDir));
/** @var \SplFileInfo $path */
foreach ($paths as $path) {
$this->filesystem->remove($path);
}
}
}
/**
* Action for Add an ignore pattern.
*
* @param string $pattern The pattern
*/
public function doAddPattern($pattern)
{
if (0 === strpos($pattern, '!')) {
$searchPattern = substr($pattern, 1);
$this->finder->notPath(Glob::toRegex($searchPattern, true, true));
$pathComponents = explode('/', $searchPattern);
if (1 < \count($pathComponents)) {
$parentDirectories = \array_slice($pathComponents, 0, -1);
$basePath = '';
foreach ($parentDirectories as $dir) {
$this->finder->notPath('/\b('.preg_quote($basePath.$dir, '/').')(?!\/)\b/');
$basePath .= $dir.'/';
}
}
} else {
$this->finder->path(Glob::toRegex($pattern, true, true));
}
}
/**
* Converter pattern to glob.
*
* @param string $pattern The pattern
*
* @return string The pattern converted
*/
protected function convertPattern($pattern)
{
$prefix = 0 === strpos($pattern, '!') ? '!' : '';
$searchPattern = trim(ltrim($pattern, '!'), '/');
$pattern = $prefix.$searchPattern;
if (\in_array($searchPattern, array('*', '*.*'), true)) {
$this->doAddPattern($prefix.'.*');
} elseif (0 === strpos($searchPattern, '**/')) {
$this->doAddPattern($prefix.'**/'.$searchPattern);
$this->doAddPattern($prefix.substr($searchPattern, 3));
} else {
$this->convertPatternStep2($prefix, $searchPattern, $pattern);
}
return $pattern;
}
/**
* Step2: Converter pattern to glob.
*
* @param string $prefix The prefix
* @param string $searchPattern The search pattern
* @param string $pattern The pattern
*/
protected function convertPatternStep2($prefix, $searchPattern, $pattern)
{
if ('.*' === $searchPattern) {
$this->doAddPattern($prefix.'**/.*');
} elseif ('**' === $searchPattern) {
$this->finder->path('/.*/');
$this->finder->notPath('/^\..*(?!\/)/');
} elseif (preg_match('/\/\*$|\/\*\*$/', $pattern, $matches)) {
$this->doAddPattern(substr($pattern, 0, \strlen($pattern) - \strlen($matches[0])));
}
}
}