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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Cycle\Schema\Converter\SchemaToPHP; |
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final class ArrayItemExporter |
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{ |
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private const MIX_LINE_LENGTH = 120; |
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public ?string $key; |
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/** @var mixed */ |
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public $value; |
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public bool $wrapValue = true; |
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public bool $wrapKey; |
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/** |
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* @param null|string $key |
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* @param mixed $value |
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* @param bool $wrapKey |
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*/ |
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public function __construct(?string $key, $value = null, bool $wrapKey = false) |
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{ |
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$this->key = $key; |
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$this->value = $value; |
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$this->wrapKey = $wrapKey; |
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} |
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public function __toString() |
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{ |
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$result = ''; |
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if ($this->key !== null) { |
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$result = $this->wrapKey ? "'{$this->key}' => " : "{$this->key} => "; |
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} |
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return $result . $this->renderValue($this->value); |
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} |
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/** |
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* @param mixed $value |
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* @return string |
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*/ |
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private function renderValue($value): string |
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{ |
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switch (true) { |
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case $value === null: |
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return 'null'; |
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case is_bool($value): |
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return $value ? 'true' : 'false'; |
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case is_array($value): |
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return $this->renderArray($value); |
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case !$this->wrapValue || is_int($value) || $value instanceof self: |
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return (string)$value; |
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case is_string($value): |
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return "'" . addslashes($value) . "'"; |
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default: |
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return "unserialize('" . addslashes(serialize($value)) . "')"; |
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} |
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} |
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private function renderArray(array $value): string |
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{ |
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$aiKeys = $this->isAutoIncrementedKeys($value); |
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$inline = $aiKeys && $this->isScalarArrayValues($value); |
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if ($inline) { |
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$result = $this->renderArrayInline($value, !$aiKeys); |
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if (strlen($result) <= self::MIX_LINE_LENGTH) { |
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return $result; |
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} |
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} |
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return $this->renderArrayBlock($value, !$aiKeys); |
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} |
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private function renderArrayInline(array $value, bool $withKeys = true): string |
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{ |
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$elements = []; |
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foreach ($value as $key => $item) { |
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$str = ''; |
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if (!$item instanceof ArrayItemExporter && $withKeys) { |
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$str .= is_int($key) ? "{$key} => " : "'{$key}' => "; |
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} |
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$elements[] = $str . $this->renderValue($item); |
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} |
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return '[' . implode(', ', $elements) . ']'; |
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} |
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private function renderArrayBlock(array $value, bool $withKeys = true): string |
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{ |
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$result = '['; |
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foreach ($value as $key => $item) { |
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$result .= "\n"; |
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if (!$item instanceof ArrayItemExporter && $withKeys) { |
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$result .= is_int($key) ? "{$key} => " : "'{$key}' => "; |
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} |
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$result .= $this->renderValue($item) . ','; |
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} |
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return str_replace("\n", "\n ", $result) . "\n]"; |
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} |
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private function isAutoIncrementedKeys(array $array): bool |
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{ |
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return count($array) === 0 || array_keys($array) === range(0, count($array) - 1); |
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} |
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private function isScalarArrayValues(array $array): bool |
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{ |
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foreach ($array as $value) { |
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if (!is_scalar($value)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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yiisoft /
yii-cycle
