ExpressionAttributeNames::get()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 1
dl 0
loc 3
c 0
b 0
f 0
rs 10
cc 1
nc 1
nop 1
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<?php
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namespace Hoooklife\DynamodbPodm\Parsers;
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class ExpressionAttributeNames
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{
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    /**
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     * @var array
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     */
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    protected $mapping;
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    /**
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     * @var array
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     */
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    protected $nested;
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    /**
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     * @var string
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     */
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    protected $prefix;
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    public function __construct($prefix = '#')
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    {
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        $this->reset();
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        $this->prefix = $prefix;
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    }
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    public function set($name)
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    {
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        if ($this->isNested($name)) {
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            $this->nested[] = $name;
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            return;
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        }
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        $this->mapping["{$this->prefix}{$name}"] = $name;
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    }
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    public function get($placeholder)
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    {
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        return $this->mapping[$placeholder];
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    }
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    public function placeholder($name)
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    {
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        $placeholder = "{$this->prefix}{$name}";
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        if (isset($this->mapping[$placeholder])) {
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            return $placeholder;
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        }
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        return $name;
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    }
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    public function all()
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    {
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        return $this->mapping;
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    }
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    public function placeholders()
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    {
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        return array_merge(array_keys($this->mapping), $this->nested);
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    }
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    public function reset()
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    {
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        $this->mapping = [];
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        $this->nested = [];
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        return $this;
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    }
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    private function isNested($name)
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    {
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        return strpos($name, '.') !== false || (strpos($name, '[') !== false && strpos($name, ']') !== false);
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    }
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}
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