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<?php |
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namespace suda\orm\struct; |
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use ReflectionClass; |
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use ReflectionProperty; |
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use suda\orm\TableStruct; |
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use suda\orm\struct\Field; |
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use suda\orm\struct\TableStructBuilder; |
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use suda\orm\struct\FieldModifierParser; |
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/** |
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* 从类的类注释构建对象 |
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*/ |
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class TableClassStructBuilder extends TableStructBuilder |
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{ |
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/** |
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* 解析对象 |
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* |
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* @var string |
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*/ |
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protected $object; |
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/** |
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* 反射对象 |
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* |
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* @var ReflectionClass |
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*/ |
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protected $reflectObject; |
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/** |
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* 类文档 |
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* |
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* @var string |
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*/ |
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protected $classDoc; |
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public function __construct(string $object) |
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{ |
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$this->object = $object; |
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$this->reflectObject = new ReflectionClass($object); |
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$this->classDoc = $this->reflectObject->getDocComment() ?: ''; |
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} |
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/** |
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* 创建表结构 |
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* |
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* @return TableStruct |
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*/ |
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public function createStruct():TableStruct |
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{ |
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if (($match = static::readClassDocField($this->classDoc)) !== null) { |
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return $this->createClassTableStruct($match); |
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} |
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return parent::createStruct(); |
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} |
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/** |
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* 判断类文档注释是否包含字段 |
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* |
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* @param strring $classDoc |
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* @return array|null |
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*/ |
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public static function readClassDocField(string $classDoc):?array |
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{ |
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if (preg_match_all('/@field\s+(\w+)\s+(\w+)(?:\((.+?)\))?\s+(.+)?$/im', $classDoc, $match)) { |
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return $match; |
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} |
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return null; |
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} |
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/** |
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* 创建表结构 |
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* |
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* @param array $fields |
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* @return \suda\orm\TableStruct |
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*/ |
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protected function createClassTableStruct(array $fields): TableStruct |
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{ |
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$name = $this->getName(); |
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$struct = new TableStruct($name); |
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foreach ($fields[0] as $index => $value) { |
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$match = \array_column($fields, $index); |
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list($comment, $field, $type, $length, $modifier) = $match; |
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$fieldObj = $this->createClassField($name, trim($field), trim($type), static::parseLength($length), trim($modifier)); |
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$struct->addField($fieldObj); |
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} |
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return $struct; |
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} |
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/** |
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* 创建字段 |
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* |
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* @param string $tableName |
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* @param string $name |
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* @param string $type |
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* @param string|array|null $length |
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* @param string $modifier |
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* @return \suda\orm\struct\Field |
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*/ |
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protected function createClassField(string $tableName, string $name, string $type, $length, string $modifier): Field |
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{ |
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$parser = new FieldModifierParser; |
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$field = new Field($tableName, $name, $type, $length); |
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$parser->parse($modifier)->modify($field); |
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return $field; |
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} |
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} |
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Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountIdthat can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theidproperty of an instance of theAccountclass. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.