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<?php |
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namespace suda\orm\struct; |
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use function array_key_exists; |
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use function array_search; |
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use ArrayIterator; |
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use IteratorAggregate; |
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use Traversable; |
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/** |
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* Class TableStruct |
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* @package suda\orm\struct |
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*/ |
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class TableStruct implements IteratorAggregate |
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{ |
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/** |
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* 数据表名 |
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* |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* 字段集合 |
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* |
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* @var Field[] |
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*/ |
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protected $fields; |
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/** |
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* 键值对映射 |
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* |
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* @var array |
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*/ |
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protected $alias; |
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/** |
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* 创建字段集合 |
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* |
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* @param string $table |
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*/ |
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public function __construct(string $table) |
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{ |
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$this->name = $table; |
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$this->fields = []; |
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} |
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/** |
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* 新建表列 |
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* |
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* @param string $name |
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* @param string $type |
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* @param int|array $length |
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* @return Field |
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*/ |
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public function field(string $name, string $type, $length = null) |
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{ |
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return $this->fields[$name] ?? $this->fields[$name] = ($length?new Field($this->name, $name, $type, $length):new Field($this->name, $name, $type)); |
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} |
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/** |
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* @param string $name |
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* @param string $type |
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* @param mixed $length |
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* @return Field |
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*/ |
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public function newField(string $name, string $type, $length = null) |
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{ |
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return $this->fields[$name] ?? $this->fields[$name] = ($length?new Field($this->name, $name, $type, $length):new Field($this->name, $name, $type)); |
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} |
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/** |
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* @param string $name |
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* @return Field|null |
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*/ |
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public function getField(string $name) |
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{ |
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return $this->fields[$name] ?? null; |
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} |
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/** |
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* 添加表结构字段 |
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* |
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* @param array|Field $fields |
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* @return $this |
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*/ |
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public function fields($fields) |
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{ |
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if (!is_array($fields) && $fields instanceof Field) { |
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$fields = func_get_args(); |
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} |
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foreach ($fields as $field) { |
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$this->addField($field); |
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} |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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public function hasField(string $name) |
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{ |
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return array_key_exists($name, $this->fields); |
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} |
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/** |
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* @param Field $field |
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*/ |
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public function addField(Field $field) |
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{ |
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if ($field->getTableName() != $this->name) { |
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return; |
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} |
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$name = $field->getName(); |
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$this->fields[$name] = $field; |
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$this->alias[$name] = $field->getAlias(); |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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public function outputName(string $name):string |
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{ |
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if (array_key_exists($name, $this->alias)) { |
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return $this->alias[$name]; |
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} |
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return $name; |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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public function inputName(string $name):string |
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{ |
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if ($key = array_search($name, $this->alias)) { |
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return $key; |
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} |
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return $name; |
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} |
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/** |
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* @return array |
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*/ |
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public function getFieldsName() |
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{ |
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return array_keys($this->fields); |
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} |
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/** |
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* Get the value of name |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @param string $name |
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*/ |
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public function setName(string $name): void |
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{ |
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$this->name = $name; |
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} |
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/** |
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* Get the value of fields |
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*/ |
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public function all() |
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{ |
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return $this->fields; |
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} |
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/** |
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* @return ArrayIterator|Traversable |
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*/ |
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public function getIterator() |
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{ |
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return new ArrayIterator($this->fields); |
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} |
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} |
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dxkite /
suda
