mirror of
https://github.com/YunoHost-Apps/limesurvey_ynh.git
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484 lines
No EOL
13 KiB
PHP
484 lines
No EOL
13 KiB
PHP
<?php
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/**
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* CCodeModel class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CCodeModel is the base class for model classes that are used to generate code.
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*
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* Each code generator should have at least one code model class that extends from this class.
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* The purpose of a code model is to represent user-supplied parameters and use them to
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* generate customized code.
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*
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* Derived classes should implement the {@link prepare} method whose main task is to
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* fill up the {@link files} property based on the user parameters.
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*
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* The {@link files} property should be filled with a set of {@link CCodeFile} instances,
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* each representing a single code file to be generated.
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*
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* CCodeModel implements the feature of "sticky attributes". A sticky attribute is an attribute
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* that can remember its last valid value, even if the user closes his browser window
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* and reopen it. To declare an attribute is sticky, simply list it in a validation rule with
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* the validator name being "sticky".
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*
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* @property array $templates A list of available code templates (name=>directory).
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* @property string $templatePath The directory that contains the template files.
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* @property string $stickyFile The file path that stores the sticky attribute values.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.gii
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* @since 1.1.2
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*/
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abstract class CCodeModel extends CFormModel
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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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abstract public function prepare();
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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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{
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$templatePath=$this->templatePath;
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foreach($this->requiredTemplates() as $template)
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{
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if(!is_file($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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* 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 $file)
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{
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if($this->confirmed($file))
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$result=$file->save() && $result;
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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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* @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 '$templateFile' does not exist.");
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if(is_array($_params_))
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extract($_params_,EXTR_PREFIX_SAME,'params');
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else
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$params=$_params_;
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ob_start();
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ob_implicit_flush(false);
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require($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 $file)
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{
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if($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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$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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* 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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{
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$result=@include($path);
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if(is_array($result))
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{
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$this->_stickyAttributes=$result;
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foreach($this->_stickyAttributes as $name=>$value)
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{
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if(property_exists($this,$name) || $this->canSetProperty($name))
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$this->$name=$value;
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}
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}
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}
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}
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/**
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* Saves sticky attributes into a file.
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*/
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public function saveStickyAttributes()
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{
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$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';
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}
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/**
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* Converts a word to its plural form.
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* Note that this is for English only!
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* For example, 'apple' will become 'apples', and 'child' will become 'children'.
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* @param string $name the word to be pluralized
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* @return string the pluralized word
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*/
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public function pluralize($name)
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{
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$rules=array(
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'/(m)ove$/i' => '\1oves',
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'/(f)oot$/i' => '\1eet',
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'/(c)hild$/i' => '\1hildren',
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'/(h)uman$/i' => '\1umans',
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'/(m)an$/i' => '\1en',
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'/(s)taff$/i' => '\1taff',
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'/(t)ooth$/i' => '\1eeth',
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'/(p)erson$/i' => '\1eople',
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'/([m|l])ouse$/i' => '\1ice',
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'/(x|ch|ss|sh|us|as|is|os)$/i' => '\1es',
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'/([^aeiouy]|qu)y$/i' => '\1ies',
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'/(?:([^f])fe|([lr])f)$/i' => '\1\2ves',
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'/(shea|lea|loa|thie)f$/i' => '\1ves',
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'/([ti])um$/i' => '\1a',
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'/(tomat|potat|ech|her|vet)o$/i' => '\1oes',
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'/(bu)s$/i' => '\1ses',
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'/(ax|test)is$/i' => '\1es',
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'/s$/' => 's',
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);
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foreach($rules as $rule=>$replacement)
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{
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if(preg_match($rule,$name))
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return preg_replace($rule,$replacement,$name);
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}
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return $name.'s';
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}
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/**
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* Converts a class name into a HTML ID.
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* For example, 'PostTag' will be converted as 'post-tag'.
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* @param string $name the string to be converted
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* @return string the resulting ID
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*/
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public function class2id($name)
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{
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return trim(strtolower(str_replace('_','-',preg_replace('/(?<![A-Z])[A-Z]/', '-\0', $name))),'-');
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}
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/**
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* Converts a class name into space-separated words.
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* For example, 'PostTag' will be converted as 'Post Tag'.
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* @param string $name the string to be converted
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* @param boolean $ucwords whether to capitalize the first letter in each word
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* @return string the resulting words
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*/
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public function class2name($name,$ucwords=true)
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{
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$result=trim(strtolower(str_replace('_',' ',preg_replace('/(?<![A-Z])[A-Z]/', ' \0', $name))));
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return $ucwords ? ucwords($result) : $result;
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}
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/**
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* Converts a class name into a variable name with the first letter in lower case.
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* This method is provided because lcfirst() PHP function is only available for PHP 5.3+.
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* @param string $name the class name
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* @return string the variable name converted from the class name
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* @since 1.1.4
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*/
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public function class2var($name)
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{
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$name[0]=strtolower($name[0]);
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return $name;
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}
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/**
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* Validates an attribute to make sure it is not taking a PHP reserved keyword.
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* @param string $attribute the attribute to be validated
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* @param array $params validation parameters
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*/
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public function validateReservedWord($attribute,$params)
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{
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$value=$this->$attribute;
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if(in_array(strtolower($value),self::$keywords))
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$this->addError($attribute, $this->getAttributeLabel($attribute).' cannot take a reserved PHP keyword.');
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}
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} |