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Passed
Push — master ( c538d5...8bac07 )
by Anton
02:32
created

Configuration::parse()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
nc 2
nop 1
dl 0
loc 8
ccs 4
cts 4
cp 1
crap 2
rs 10
c 0
b 0
f 0
1
<?php declare(strict_types=1);
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/* (c) Anton Medvedev <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Deployer\Configuration;
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use Deployer\Collection\Collection;
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use Deployer\Deployer;
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use Deployer\Exception\ConfigurationException;
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use function Deployer\Support\array_merge_alternate;
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use function Deployer\Support\is_closure;
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class Configuration implements \ArrayAccess
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{
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    private $parent;
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    private $values = [];
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    public function __construct(Configuration $parent = null)
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    {
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        $this->parent = $parent;
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    }
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    public function set(string $name, $value)
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    {
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        $this->values[$name] = $value;
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    }
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    public function has(string $name): bool
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    {
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        $ok = array_key_exists($name, $this->values);
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        if ($ok) {
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            return true;
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        }
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        if ($this->parent) {
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            return $this->parent->has($name);
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        }
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        return false;
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    }
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    public function add(string $name, array $array)
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    {
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        if ($this->has($name)) {
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            $config = $this->get($name);
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            if (!is_array($config)) {
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                throw new ConfigurationException("Config option \"$name\" isn't array.");
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            }
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            $this->set($name, array_merge_alternate($config, $array));
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        } else {
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            $this->set($name, $array);
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        }
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    }
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    public function get(string $name, $default = null)
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    {
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        if (array_key_exists($name, $this->values)) {
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            if (is_closure($this->values[$name])) {
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                return $this->values[$name] = $this->parse(call_user_func($this->values[$name]));
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            } else {
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                return $this->parse($this->values[$name]);
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            }
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        }
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        if ($this->parent) {
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            $rawValue = $this->parent->fetch($name);
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            if ($rawValue !== null) {
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                if (is_closure($rawValue)) {
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                    return $this->values[$name] = $this->parse(call_user_func($rawValue));
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                } else {
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                    return $this->values[$name]= $this->parse($rawValue);
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                }
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            }
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        }
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77 8
        if ($default !== null) {
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            return $this->parse($default);
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        }
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81 2
        throw new ConfigurationException("Config option \"$name\" does not exist.");
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    }
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    protected function fetch($name)
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    {
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        if (array_key_exists($name, $this->values)) {
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            return $this->values[$name];
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        }
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        if ($this->parent) {
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            return $this->parent->fetch($name);
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        }
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        return null;
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    }
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95 29
    public function parse($value)
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    {
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        if (is_string($value)) {
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            return preg_replace_callback('/\{\{\s*([\w\.\/-]+)\s*\}\}/', [$this, 'parseCallback'], $value);
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        }
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        return $value;
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    }
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    private function parseCallback(array $matches)
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    {
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        return isset($matches[1]) ? $this->get($matches[1]) : null;
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    }
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109 3
    public function offsetExists($offset)
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    {
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        return $this->has($offset);
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    }
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    public function offsetGet($offset)
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    {
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        return $this->get($offset);
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    }
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    public function offsetSet($offset, $value)
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    {
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        $this->set($offset, $value);
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    }
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    public function offsetUnset($offset)
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    {
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        unset($this->values[$offset]);
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    }
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129 1
    public function persist()
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    {
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        $values = [];
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        if ($this->parent !== null) {
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            $values = $this->parent->persist();
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        }
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        foreach ($this->values as $key => $value) {
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            if (is_closure($value)) {
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                continue;
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            }
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            $values[$key] = $value;
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        }
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        return $values;
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    }
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    public function load()
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    {
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        $this->values = json_decode(file_get_contents($this->configFile()), true);
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    }
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    public function save()
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    {
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        file_put_contents($this->configFile(), json_encode($this->persist()));
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    }
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    private function configFile() {
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        return sprintf('%s/%s.dep', $this->get('config_directory'), $this->get('alias'));
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    }
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}
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