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<?php |
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/** |
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* Created by PhpStorm. |
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* User: xuan |
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* Date: 9/24/15 |
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* Time: 4:06 PM. |
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*/ |
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namespace PHPHub\Transformers\IncludeManager; |
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use Exception; |
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use Input; |
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class IncludeManager |
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{ |
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private $available_includes = []; |
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private $foreign_keys = []; |
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private $includes = null; |
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/** |
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* 添加一个可被引入的项. |
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* |
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* @param Includable $includable |
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* |
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* @throws Exception |
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*/ |
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public function add(Includable $includable) |
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{ |
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if ($includable->isNested()) { |
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$parent_includable = $this->getIncludable($includable->getParentName()); |
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if (null === $parent_includable) { |
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throw new Exception('You must define includable '.$includable->getParentName()); |
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} |
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$parent_includable->addChildren($includable); |
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} |
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$this->available_includes[$includable->getName()] = $includable; |
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$this->foreign_keys[$includable->getName()] = $includable->getForeignKey(); |
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} |
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/** |
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* 按引入项的名称获取对象 |
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* |
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* @param $name |
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* |
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* @return Includable|null |
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*/ |
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public function getIncludable($name) |
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{ |
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return array_get($this->available_includes, $name, null); |
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} |
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/** |
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* 获取所有的引入项名称. |
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* |
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* @return array |
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*/ |
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public function getAvailableIncludableNames() |
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{ |
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return array_keys($this->available_includes); |
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} |
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/** |
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* 获取需要的引入项的外键. |
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* |
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* @return mixed |
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*/ |
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public function getForeignKeys() |
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{ |
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return array_only($this->foreign_keys, $this->figureOutWhichIncludes()); |
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} |
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/** |
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* 计算出需要那些引入项. |
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*/ |
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public function figureOutWhichIncludes() |
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{ |
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return array_intersect($this->parseIncludes(), $this->getAvailableIncludableNames()); |
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} |
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/** |
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* 解析客户端的 include 参数. |
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* |
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* @return array |
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*/ |
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public function parseIncludes() |
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{ |
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if ($this->includes === null) { |
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return $this->includes = explode(',', Input::get('include')); |
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} |
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return $this->includes; |
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} |
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} |
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NauxLiu /
phphub-server
