mirror of
https://github.com/Lastorder-DC/rhymix.git
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e1ae5aab97
git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10831 201d5d3c-b55e-5fd7-737f-ddc643e51545
219 lines
7.6 KiB
PHP
219 lines
7.6 KiB
PHP
<?php
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/**
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* @author NHN (developers@xpressengine.com)
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* @package /classes/db/queryparts/condition
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* @version 0.1
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*/
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class Condition {
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/**
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* column name
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* @var string
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*/
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var $column_name;
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var $argument;
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/**
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* operation can use 'equal', 'more', 'excess', 'less', 'below', 'like_tail', 'like_prefix', 'like', 'notlike_tail',
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* 'notlike_prefix', 'notlike', 'in', 'notin', 'not_in', 'and', 'or', 'xor', 'not', 'notequal', 'between'
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* 'null', 'notnull'
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* @var string
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*/
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var $operation;
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/**
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* pipe can use 'and', 'or'...
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* @var string
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*/
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var $pipe;
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var $_value;
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var $_show;
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var $_value_to_string;
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/**
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* constructor
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* @param string $column_name
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* @param mixed $argument
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* @param string $operation
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* @param string $pipe
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* @return void
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*/
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function Condition($column_name, $argument, $operation, $pipe){
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$this->column_name = $column_name;
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$this->argument = $argument;
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$this->operation = $operation;
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$this->pipe = $pipe;
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}
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function getArgument(){
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return null;
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}
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/**
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* value to string
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* @param boolean $withValue
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* @return string
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*/
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function toString($withValue = true){
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if (!isset($this->_value_to_string)) {
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if (!$this->show())
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{
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$this->_value_to_string = '';
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}
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else if ($withValue)
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{
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$this->_value_to_string = $this->toStringWithValue();
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}
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else
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{
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$this->_value_to_string = $this->toStringWithoutValue();
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}
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}
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return $this->_value_to_string;
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}
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/**
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* change string without value
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* @return string
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*/
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function toStringWithoutValue(){
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return $this->pipe . ' ' . $this->getConditionPart($this->_value);
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}
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/**
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* change string with value
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* @return string
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*/
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function toStringWithValue(){
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return $this->pipe . ' ' . $this->getConditionPart($this->_value);
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}
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function setPipe($pipe){
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$this->pipe = $pipe;
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}
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/**
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* @return boolean
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*/
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function show(){
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if(!isset($this->_show)){
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if(is_array($this->_value) && count($this->_value) === 1 && $this->_value[0] === '') {
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$this->_show = false;
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}
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else {
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$this->_show = true;
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switch($this->operation) {
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case 'equal' :
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case 'more' :
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case 'excess' :
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case 'less' :
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case 'below' :
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case 'like_tail' :
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case 'like_prefix' :
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case 'like' :
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case 'notlike_tail' :
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case 'notlike_prefix' :
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case 'notlike' :
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case 'in' :
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case 'notin' :
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case 'not_in' :
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case 'and':
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case 'or':
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case 'xor':
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case 'not':
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case 'notequal' :
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// if variable is not set or is not string or number, return
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if(!isset($this->_value)) { $this->_show = false; break;}
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if($this->_value === '') { $this->_show = false; break; }
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if(!in_array(gettype($this->_value), array('string', 'integer'))) {$this->_show = false; break; }
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break;
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case 'between' :
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if(!is_array($this->_value)) { $this->_show = false; break;}
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if(count($this->_value)!=2) {$this->_show = false; break;}
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case 'null':
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case 'notnull':
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break;
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default:
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// If operation is not one of the above, means the condition is invalid
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$this->_show = false;
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}
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}
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}
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return $this->_show;
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}
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/**
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* Return condition string
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* @param int|string|array $value
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* @return string
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*/
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function getConditionPart($value) {
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$name = $this->column_name;
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$operation = $this->operation;
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switch($operation) {
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case 'equal' :
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return $name.' = '.$value;
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break;
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case 'more' :
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return $name.' >= '.$value;
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break;
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case 'excess' :
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return $name.' > '.$value;
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break;
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case 'less' :
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return $name.' <= '.$value;
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break;
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case 'below' :
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return $name.' < '.$value;
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break;
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case 'like_tail' :
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case 'like_prefix' :
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case 'like' :
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if(defined('__CUBRID_VERSION__')
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&& __CUBRID_VERSION__ >= '8.4.1')
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return $name.' rlike '.$value;
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else
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return $name.' like '.$value;
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break;
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case 'notlike_tail' :
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case 'notlike_prefix' :
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case 'notlike' :
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return $name.' not like '.$value;
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break;
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case 'in' :
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return $name.' in '.$value;
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break;
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case 'notin' :
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case 'not_in' :
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return $name.' not in '.$value;
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break;
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case 'notequal' :
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return $name.' <> '.$value;
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break;
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case 'notnull' :
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return $name.' is not null';
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break;
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case 'null' :
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return $name.' is null';
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break;
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case 'and' :
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return $name.' & '.$value;
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break;
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case 'or' :
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return $name.' | '.$value;
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break;
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case 'xor' :
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return $name.' ^ '.$value;
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break;
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case 'not' :
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return $name.' ~ '.$value;
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break;
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case 'between' :
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return $name.' between ' . $value[0] . ' and ' . $value[1];
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break;
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}
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}
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}
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?>
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