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429 lines
11 KiB
429 lines
11 KiB
12 years ago
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\gii;
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use Yii;
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use yii\base\Model;
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/**
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class Generator extends Model
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{
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/**
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* @var string
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*/
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public $id;
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/**
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* @return string name of the code generator
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*/
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public function getName()
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{
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return 'unknown';
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}
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public function getDescription()
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{
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return '';
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}
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public function getUrl()
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{
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return Yii::$app->controller->createUrl('default/view', array('id' => $this->id));
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}
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public function renderForm()
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{
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return '';
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}
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public function renderFileList()
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{
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return '';
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}
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const STATUS_NEW = 1;
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const STATUS_PREVIEW = 2;
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const STATUS_SUCCESS = 3;
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const STATUS_ERROR = 4;
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static $keywords = array(
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'__class__',
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'__dir__',
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'__file__',
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'__function__',
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'__line__',
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'__method__',
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'__namespace__',
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'abstract',
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'and',
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'array',
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'as',
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'break',
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'case',
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'catch',
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'cfunction',
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'class',
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'clone',
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'const',
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'continue',
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'declare',
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'default',
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'die',
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'do',
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'echo',
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'else',
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'elseif',
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'empty',
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'enddeclare',
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'endfor',
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'endforeach',
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'endif',
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'endswitch',
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'endwhile',
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'eval',
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'exception',
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'exit',
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'extends',
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'final',
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'final',
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'for',
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'foreach',
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'function',
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'global',
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'goto',
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'if',
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'implements',
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'include',
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'include_once',
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'instanceof',
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'interface',
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'isset',
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'list',
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'namespace',
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'new',
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'old_function',
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'or',
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'parent',
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'php_user_filter',
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'print',
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'private',
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'protected',
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'public',
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'require',
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'require_once',
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'return',
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'static',
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'switch',
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'this',
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'throw',
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'try',
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'unset',
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'use',
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'var',
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'while',
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'xor',
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);
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/**
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* @var array user confirmations on whether to overwrite existing code files with the newly generated ones.
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* The value of this property is internally managed by this class and {@link CCodeGenerator}.
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*/
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public $answers;
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/**
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* @var string the name of the code template that the user has selected.
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* The value of this property is internally managed by this class and {@link CCodeGenerator}.
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*/
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public $template;
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/**
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* @var array a list of {@link CCodeFile} objects that represent the code files to be generated.
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* The {@link prepare()} method is responsible to populate this property.
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*/
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public $files = array();
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/**
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* @var integer the status of this model. T
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* The value of this property is internally managed by {@link CCodeGenerator}.
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*/
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public $status = self::STATUS_NEW;
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private $_stickyAttributes = array();
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/**
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* Prepares the code files to be generated.
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* This is the main method that child classes should implement. It should contain the logic
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* that populates the {@link files} property with a list of code files to be generated.
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*/
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public function prepare()
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{
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}
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/**
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* Declares the model validation rules.
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* Child classes must override this method in the following format:
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* <pre>
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* return array_merge(parent::rules(), array(
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* ...rules for the child class...
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* ));
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* </pre>
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* @return array validation rules
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*/
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public function rules()
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{
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return array(
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array('template', 'required'),
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array('template', 'validateTemplate', 'skipOnError' => true),
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array('template', 'sticky'),
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);
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}
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/**
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* Validates the template selection.
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* This method validates whether the user selects an existing template
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* and the template contains all required template files as specified in {@link requiredTemplates}.
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* @param string $attribute the attribute to be validated
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* @param array $params validation parameters
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*/
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public function validateTemplate($attribute, $params)
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{
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$templates = $this->templates;
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if (!isset($templates[$this->template])) {
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$this->addError('template', 'Invalid template selection.');
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} else {
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$templatePath = $this->templatePath;
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foreach ($this->requiredTemplates() as $template) {
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if (!is_file($templatePath . '/' . $template)) {
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$this->addError('template', "Unable to find the required code template file '$template'.");
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}
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}
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}
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}
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/**
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* Checks if the named class exists (in a case sensitive manner).
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* @param string $name class name to be checked
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* @return boolean whether the class exists
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*/
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public function classExists($name)
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{
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return class_exists($name, false) && in_array($name, get_declared_classes());
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}
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/**
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* Declares the model attribute labels.
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* Child classes must override this method in the following format:
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* <pre>
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* return array_merge(parent::attributeLabels(), array(
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* ...labels for the child class attributes...
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* ));
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* </pre>
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* @return array the attribute labels
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*/
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public function attributeLabels()
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{
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return array(
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'template' => 'Code Template',
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);
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}
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/**
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* Returns a list of code templates that are required.
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* Derived classes usually should override this method.
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* @return array list of code templates that are required. They should be file paths
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* relative to {@link templatePath}.
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*/
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public function requiredTemplates()
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{
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return array();
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}
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/**
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* Saves the generated code into files.
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*/
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public function save()
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{
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$result = true;
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foreach ($this->files as $file) {
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if ($this->confirmed($file)) {
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$result = $file->save() && $result;
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}
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}
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return $result;
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}
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/**
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* Returns the message to be displayed when the newly generated code is saved successfully.
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* Child classes should override this method if the message needs to be customized.
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* @return string the message to be displayed when the newly generated code is saved successfully.
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*/
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public function successMessage()
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{
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return 'The code has been generated successfully.';
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}
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/**
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* Returns the message to be displayed when some error occurred during code file saving.
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* Child classes should override this method if the message needs to be customized.
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* @return string the message to be displayed when some error occurred during code file saving.
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*/
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public function errorMessage()
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{
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return 'There was some error when generating the code. Please check the following messages.';
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}
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/**
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* Returns a list of available code templates (name=>directory).
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* This method simply returns the {@link CCodeGenerator::templates} property value.
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* @return array a list of available code templates (name=>directory).
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*/
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public function getTemplates()
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{
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return Yii::app()->controller->templates;
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}
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/**
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* @return string the directory that contains the template files.
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* @throws CHttpException if {@link templates} is empty or template selection is invalid
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*/
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public function getTemplatePath()
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{
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$templates = $this->getTemplates();
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if (isset($templates[$this->template])) {
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return $templates[$this->template];
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} elseif (empty($templates)) {
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throw new CHttpException(500, 'No templates are available.');
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} else {
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throw new CHttpException(500, 'Invalid template selection.');
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}
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}
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/**
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* @param CCodeFile $file whether the code file should be saved
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* @return bool whether the confirmation is found in {@link answers} with appropriate {@link operation}
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*/
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public function confirmed($file)
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{
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return $this->answers === null && $file->operation === CCodeFile::OP_NEW
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|| is_array($this->answers) && isset($this->answers[md5($file->path)]);
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}
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/**
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* Generates the code using the specified code template file.
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* This method is manly used in {@link generate} to generate code.
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* @param string $templateFile the code template file path
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* @param array $_params_ a set of parameters to be extracted and made available in the code template
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* @throws CException is template file does not exist
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* @return string the generated code
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*/
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public function render($templateFile, $_params_ = null)
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{
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if (!is_file($templateFile)) {
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throw new CException("The template file '$templateFile' does not exist.");
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}
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if (is_array($_params_)) {
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extract($_params_, EXTR_PREFIX_SAME, 'params');
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} else {
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$params = $_params_;
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}
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ob_start();
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ob_implicit_flush(false);
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require($templateFile);
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return ob_get_clean();
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}
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/**
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* @return string the code generation result log.
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*/
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public function renderResults()
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{
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$output = 'Generating code using template "' . $this->templatePath . "\"...\n";
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foreach ($this->files as $file) {
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if ($file->error !== null) {
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$output .= "<span class=\"error\">generating {$file->relativePath}<br/> {$file->error}</span>\n";
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} elseif ($file->operation === CCodeFile::OP_NEW && $this->confirmed($file)) {
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$output .= ' generated ' . $file->relativePath . "\n";
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} elseif ($file->operation === CCodeFile::OP_OVERWRITE && $this->confirmed($file)) {
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$output .= ' overwrote ' . $file->relativePath . "\n";
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} else {
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$output .= ' skipped ' . $file->relativePath . "\n";
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}
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}
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$output .= "done!\n";
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return $output;
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}
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/**
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* The "sticky" validator.
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* This validator does not really validate the attributes.
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* It actually saves the attribute value in a file to make it sticky.
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* @param string $attribute the attribute to be validated
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* @param array $params the validation parameters
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*/
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public function sticky($attribute, $params)
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{
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if (!$this->hasErrors()) {
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$this->_stickyAttributes[$attribute] = $this->$attribute;
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}
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}
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/**
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* Loads sticky attributes from a file and populates them into the model.
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*/
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public function loadStickyAttributes()
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{
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$this->_stickyAttributes = array();
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$path = $this->getStickyFile();
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if (is_file($path)) {
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$result = @include($path);
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if (is_array($result)) {
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$this->_stickyAttributes = $result;
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foreach ($this->_stickyAttributes as $name => $value) {
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if (property_exists($this, $name) || $this->canSetProperty($name)) {
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$this->$name = $value;
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}
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}
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}
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}
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}
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/**
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* Saves sticky attributes into a file.
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*/
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public function saveStickyAttributes()
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{
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$path = $this->getStickyFile();
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@mkdir(dirname($path), 0755, true);
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file_put_contents($path, "<?php\nreturn " . var_export($this->_stickyAttributes, true) . ";\n");
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}
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/**
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* @return string the file path that stores the sticky attribute values.
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*/
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public function getStickyFile()
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{
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return Yii::app()->runtimePath . '/gii-' . Yii::getVersion() . '/' . get_class($this) . '.php';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates an attribute to make sure it is not taking a PHP reserved keyword.
|
||
|
|
* @param string $attribute the attribute to be validated
|
||
|
|
* @param array $params validation parameters
|
||
|
|
*/
|
||
|
|
public function validateReservedWord($attribute, $params)
|
||
|
|
{
|
||
|
|
$value = $this->$attribute;
|
||
|
|
if (in_array(strtolower($value), self::$keywords)) {
|
||
|
|
$this->addError($attribute, $this->getAttributeLabel($attribute) . ' cannot take a reserved PHP keyword.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|