| 1: | <?php |
| 2: | |
| 3: | declare(strict_types=1); |
| 4: | |
| 5: | namespace Atk4\Ui\Js; |
| 6: | |
| 7: | use Atk4\Core\DiContainerTrait; |
| 8: | use Atk4\Data\Persistence; |
| 9: | use Atk4\Ui\Exception; |
| 10: | use Atk4\Ui\View; |
| 11: | |
| 12: | class JsExpression implements JsExpressionable |
| 13: | { |
| 14: | use DiContainerTrait; |
| 15: | |
| 16: | public string $template; |
| 17: | |
| 18: | |
| 19: | public array $args; |
| 20: | |
| 21: | |
| 22: | |
| 23: | |
| 24: | public function __construct(string $template = '', array $args = []) |
| 25: | { |
| 26: | $this->template = $template; |
| 27: | $this->args = $args; |
| 28: | } |
| 29: | |
| 30: | #[\Override] |
| 31: | public function jsRender(): string |
| 32: | { |
| 33: | $namelessCount = 0; |
| 34: | $res = preg_replace_callback( |
| 35: | '~\[[\w]*\]|{[\w]*}~', |
| 36: | function ($matches) use (&$namelessCount): string { |
| 37: | $identifier = substr($matches[0], 1, -1); |
| 38: | |
| 39: | |
| 40: | if ($identifier === '') { |
| 41: | $identifier = $namelessCount++; |
| 42: | } |
| 43: | |
| 44: | if (!isset($this->args[$identifier])) { |
| 45: | throw (new Exception('Tag is not defined in template')) |
| 46: | ->addMoreInfo('tag', $identifier) |
| 47: | ->addMoreInfo('template', $this->template); |
| 48: | } |
| 49: | |
| 50: | $value = $this->args[$identifier]; |
| 51: | |
| 52: | |
| 53: | if ($matches[0][0] === '{' && is_string($value)) { |
| 54: | return $value; |
| 55: | } |
| 56: | |
| 57: | $valueStr = $this->_jsEncode($value); |
| 58: | if ($value instanceof JsExpressionable && !str_ends_with($valueStr, ';')) { |
| 59: | $valueStr = '(' . $valueStr . ')'; |
| 60: | } |
| 61: | |
| 62: | return $valueStr; |
| 63: | }, |
| 64: | $this->template |
| 65: | ); |
| 66: | |
| 67: | return trim($res); |
| 68: | } |
| 69: | |
| 70: | |
| 71: | |
| 72: | |
| 73: | protected function _jsEncode($value): string |
| 74: | { |
| 75: | if ($value instanceof JsExpressionable) { |
| 76: | $res = $value->jsRender(); |
| 77: | } elseif ($value instanceof View) { |
| 78: | $res = $this->_jsEncode('#' . $value->getHtmlId()); |
| 79: | } elseif (is_array($value)) { |
| 80: | $array = []; |
| 81: | $assoc = !array_is_list($value); |
| 82: | |
| 83: | foreach ($value as $k => $v) { |
| 84: | $v = $this->_jsEncode($v); |
| 85: | $k = $this->_jsEncode($k); |
| 86: | if (!$assoc) { |
| 87: | $array[] = $v; |
| 88: | } else { |
| 89: | $array[] = $k . ': ' . $v; |
| 90: | } |
| 91: | } |
| 92: | |
| 93: | if ($assoc) { |
| 94: | $res = '{' . implode(', ', $array) . '}'; |
| 95: | } else { |
| 96: | $res = '[' . implode(', ', $array) . ']'; |
| 97: | } |
| 98: | } elseif (is_string($value)) { |
| 99: | $res = json_encode($value, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE | \JSON_THROW_ON_ERROR); |
| 100: | $res = '\'' . str_replace('\'', '\\\'', str_replace('\\"', '"', substr($res, 1, -1))) . '\''; |
| 101: | } elseif (is_bool($value)) { |
| 102: | $res = $value ? 'true' : 'false'; |
| 103: | } elseif (is_int($value)) { |
| 104: | |
| 105: | $res = abs($value) < (2 ** 53) ? (string) $value : $this->_jsEncode((string) $value); |
| 106: | } elseif (is_float($value)) { |
| 107: | $res = Persistence\Sql\Expression::castFloatToString($value); |
| 108: | } elseif ($value === null) { |
| 109: | $res = 'null'; |
| 110: | } else { |
| 111: | throw (new Exception('Argument is not renderable to JS')) |
| 112: | ->addMoreInfo('arg', $value); |
| 113: | } |
| 114: | |
| 115: | return $res; |
| 116: | } |
| 117: | } |
| 118: | |