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extend/app_alipay/lotusphp_runtime/Validator/Validator.php

@@ -0,0 +1,174 @@
+<?php
+class LtValidator
+{
+	public $configHandle;
+	protected $errorMessages;
+
+	public function __construct()
+	{
+		if (! $this->configHandle instanceof LtConfig)
+		{
+			if (class_exists("LtObjectUtil", false))
+			{
+				$this->configHandle = LtObjectUtil::singleton("LtConfig");
+			}
+			else
+			{
+				$this->configHandle = new LtConfig;
+			}
+		}
+	}
+
+	public function init()
+	{
+		$this->errorMessages = $this->configHandle->get('validator.error_messages');
+	}
+
+	/**
+	 * Validate an element
+	 * 
+	 * @param mixed $value 
+	 * @param array $dtd 
+	 * @return array 
+	 */
+	public function validate($value, $dtd)
+	{
+		$errorMessages = array();
+		$label = $dtd->label;
+
+		if (is_array($dtd->rules) && count($dtd->rules))
+		{
+			$messages = isset($dtd->messages) ? $dtd->messages : array();
+			foreach ($dtd->rules as $key => $val)
+			{ 
+				// callback_user_function
+				if ('callback_' == substr($key, 0, 9))
+				{
+					$method = substr($key, 9); 
+					// 定义了过程函数
+					if (function_exists($method))
+					{
+						if (!$method($value, $dtd->rules[$key]))
+						{
+							if (isset($this->errorMessages[$key]))
+							{
+								$messages[$key] = $this->errorMessages[$key];
+							}
+							else
+							{
+								$messages[$key] = "validator.error_messages[$key] empty";
+							}
+							$errorMessages[$key] = sprintf($messages[$key], $label, $dtd->rules[$key]);
+						}
+						continue;
+					} 
+					// 定义了类方法
+					$rc = new ReflectionClass($val);
+					if ($rc->hasMethod($method))
+					{
+						$rcMethod = $rc->getMethod($method);
+						if ($rcMethod->isStatic())
+						{
+							$ret = $rcMethod->invoke(null, $value, $dtd->rules[$key]);
+						}
+						else
+						{ 
+							// 非静态方法需要一个实例 有待考虑单例
+							$rcInstance = $rc->newInstance();
+							$ret = $rcMethod->invoke($rcInstance, $value, $dtd->rules[$key]);
+						}
+						if (!$ret)
+						{
+							if (isset($this->errorMessages[$key]))
+							{
+								$messages[$key] = $this->errorMessages[$key];
+							}
+							else
+							{
+								$messages[$key] = "validator.error_messages[$key] empty";
+							}
+							$errorMessages[$key] = sprintf($messages[$key], $label, $dtd->rules[$key]);
+						}
+						continue;
+					}
+					continue;
+				} 
+				// end callback_user_function
+				$validateFunction = '_' . $key;
+				if ((is_bool($dtd->rules[$key]) || 0 < strlen($dtd->rules[$key])) && !$this->$validateFunction($value, $dtd->rules[$key]))
+				{
+					if (empty($messages[$key]))
+					{
+						if (isset($this->errorMessages[$key]))
+						{
+							$messages[$key] = $this->errorMessages[$key];
+						}
+						else
+						{
+							$messages[$key] = "validator.error_messages[$key] empty";
+						}
+					}
+					$errorMessages[$key] = sprintf($messages[$key], $label, $dtd->rules[$key]);
+				}
+			}
+		}
+		return $errorMessages;
+	}
+
+	protected function _ban($value, $ruleValue)
+	{
+		return !preg_match($ruleValue, $value);
+	}
+
+	protected function _mask($value, $ruleValue)
+	{
+		return preg_match($ruleValue, $value);
+	}
+
+	protected function _equal_to($value, $ruleValue)
+	{
+		return $value === $ruleValue;
+	}
+
+	protected function _max_length($value, $ruleValue)
+	{
+		return mb_strlen($value) <= $ruleValue;
+	}
+
+	protected function _min_length($value, $ruleValue)
+	{
+		return mb_strlen($value) >= $ruleValue;
+	}
+
+	protected function _max_value($value, $ruleValue)
+	{
+		return $value <= $ruleValue;
+	}
+
+	protected function _min_value($value, $ruleValue)
+	{
+		return $value >= $ruleValue;
+	}
+
+	protected function _min_selected($value, $ruleValue)
+	{
+		return count($value) >= $ruleValue;
+	}
+
+	protected function _max_selected($value, $ruleValue)
+	{
+		return count($value) <= $ruleValue;
+	}
+
+	protected function _required($value, $ruleValue)
+	{
+		if (false == $ruleValue)
+		{
+			return true;
+		}
+		else
+		{
+			return is_array($value) && count($value) || strlen($value);
+		}
+	}
+}