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JsonConfigSource.php
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JsonConfigSource.php
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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Config;
use Composer\Json\JsonFile;
use Composer\Json\JsonManipulator;
/**
* JSON Configuration Source
*
* @author Jordi Boggiano <j.boggiano@seld.be>
* @author Beau Simensen <beau@dflydev.com>
*/
class JsonConfigSource implements ConfigSourceInterface
{
private $file;
private $manipulator;
/**
* Constructor
*
* @param JsonFile $file
*/
public function __construct(JsonFile $file)
{
$this->file = $file;
}
/**
* {@inheritdoc}
*/
public function addRepository($name, $config)
{
$this->manipulateJson('addRepository', $name, $config, function (&$config, $repo, $repoConfig) {
$config['repositories'][$repo] = $repoConfig;
});
}
/**
* {@inheritdoc}
*/
public function removeRepository($name)
{
$this->manipulateJson('removeRepository', $name, function (&$config, $repo) {
unset($config['repositories'][$repo]);
});
}
/**
* {@inheritdoc}
*/
public function addConfigSetting($name, $value)
{
$this->manipulateJson('addConfigSetting', $name, $value, function (&$config, $key, $val) {
$config['config'][$key] = $val;
});
}
/**
* {@inheritdoc}
*/
public function removeConfigSetting($name)
{
$this->manipulateJson('removeConfigSetting', $name, function (&$config, $key) {
unset($config['config'][$key]);
});
}
/**
* {@inheritdoc}
*/
public function addLink($type, $name, $value)
{
$this->manipulateJson('addLink', $type, $name, $value, function (&$config, $key) {
$config[$type][$name] = $value;
});
}
/**
* {@inheritdoc}
*/
public function removeLink($type, $name)
{
$this->manipulateJson('removeSubNode', $type, $name, function (&$config, $key) {
unset($config[$type][$name]);
});
}
protected function manipulateJson($method, $args, $fallback)
{
$args = func_get_args();
// remove method & fallback
array_shift($args);
$fallback = array_pop($args);
if ($this->file->exists()) {
$contents = file_get_contents($this->file->getPath());
} else {
$contents = "{\n \"config\": {\n }\n}\n";
}
$manipulator = new JsonManipulator($contents);
$newFile = !$this->file->exists();
// try to update cleanly
if (call_user_func_array(array($manipulator, $method), $args)) {
file_put_contents($this->file->getPath(), $manipulator->getContents());
} else {
// on failed clean update, call the fallback and rewrite the whole file
$config = $this->file->read();
array_unshift($args, $config);
call_user_func_array($fallback, $args);
$this->file->write($config);
}
if ($newFile) {
chmod($this->file->getPath(), 0600);
}
}
}