mirror of
https://github.com/Lastorder-DC/rhymix.git
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369 lines
15 KiB
PHP
369 lines
15 KiB
PHP
<?php
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/**
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* @class XmlQueryParser
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* @author zero (zero@nzeo.com)
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* @brief query xml을 파싱하여 결과를 return
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* @version 0.1
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*
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* @todo subquery나 union등의 확장 쿼리에 대한 지원이 필요
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**/
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class XmlQueryParser {
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/**
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* @brief 조건문에서 조건을 등호로 표시하는 변수
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**/
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var $cond_operation = array(
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'equal' => '=',
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'more' => '>=',
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'excess' => '>',
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'less' => '<=',
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'below' => '<',
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'notequal' => '!=',
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'notnull' => 'is not null',
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'null' => 'is null',
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);
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/**
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* @brief 쿼리 파일을 찾아서 파싱하고 cacheing한다
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**/
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function parse($query_id, $xml_file, $cache_file) {
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// query xml 파일을 찾아서 파싱, 결과가 없으면 return
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$buff = FileHandler::readFile($xml_file);
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$oXml = new XmlParser();
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$xml_obj = $oXml->parse($buff);
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if(!$xml_obj) return;
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// 쿼리 스크립트를 만들때 필요한 변수들
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$filter_script = $notnull_script = $column_script = $default_script = '';
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// insert, update, delete, select등의 action
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$action = strtolower($xml_obj->query->attrs->action);
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if(!$action) return;
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// 테이블 정리 (배열코드로 변환)
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$tables = $this->_getTablesScript($xml_obj);
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// 컬럼 정리
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$column_script = $this->_getColumnsScript($xml_obj, $default_script, $notnull_script, $filter_script, $action);
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// 조건절 정리
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$condition_script = $this->_getConditionScript($xml_obj, $default_script, $notnull_script, $filter_script);
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// group 정리
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$group_script = $this->_getGroupScript($xml_obj);
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// 네비게이션 정리
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$navigation_script = $this->_getNavigationScript($xml_obj);
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// 캐쉬 내용 작성
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$buff =
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sprintf(
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'<?php if(!__ZB5__) exit();'."\n".
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'$pass_quotes = array();'."\n".
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'$id = \'%s\';'."\n".
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'$action = \'%s\';'."\n".
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'$tables = array(%s);'."\n".
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'%s'."\n".
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'%s'."\n".
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'%s'."\n".
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'%s'."\n".
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'%s'."\n".
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'%s'."\n".
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'$group_script = \'%s\''."\n".
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'?>',
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$query_id,
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$action,
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$tables,
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$default_script,
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$column_script,
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$notnull_script,
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$filter_script,
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$condition_script,
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$navigation_script,
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$group_script
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);
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// 저장
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FileHandler::writeFile($cache_file, $buff);
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}
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/**
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* @brief column, condition등의 key에 default 값을 세팅
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**/
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function _getDefaultCode($name, $value) {
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if(!$value) return;
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if(substr($value, -1)!=')') return sprintf('if(!$args->%s) $args->%s = \'%s\';'."\n", $name, $name, $value);
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$str_pos = strpos($value, '(');
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$func_name = substr($value, 0, $str_pos);
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$args = substr($value, $str_pos+1, strlen($value)-1);
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switch($func_name) {
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case 'ipaddress' :
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$val = '\''.$_SERVER['REMOTE_ADDR'].'\'';
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break;
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case 'unixtime' :
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$val = 'time()';
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break;
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case 'curdate' :
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$val = 'date("YmdHis")';
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break;
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case 'sequence' :
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$val = '$this->getNextSequence()';
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break;
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case 'plus' :
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$args = abs($args);
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$val = sprintf('\'%s+%d\'', $name, $args);
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$pass_quotes = true;
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break;
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case 'minus' :
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$args = abs($args);
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$val = sprintf('\'%s-%d\'', $name, $args);
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$pass_quotes = true;
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break;
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}
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$output = sprintf('if(!$args->%s) $args->%s = %s;'."\n", $name, $name, $val);
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if($pass_quotes) $output .= sprintf('$pass_quotes[] = \'%s\';'."\n",$name);
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return $output;
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}
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/**
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* @brief 필터 체크
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**/
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function _getFilterCode($key, $type, $minlength, $maxlength, $var='column', $notnull='') {
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if(!$type||!$minlength||!$maxlength) return;
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if(!$notnull) $notnull_code = sprintf('if($%s->%s) ', $var, $key);
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return
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sprintf(
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'unset($output); %s$output = $this->_checkFilter(\'%s\', $%s->%s, \'%s\', \'%d\', \'%d\'); if(!$output->toBool()) return $output;'."\n",
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$notnull_code,
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$key,
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$var,
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$key,
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$type,
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(int)$minlength,
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(int)$maxlength
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);
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}
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/**
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* @brief not null 체크된 항목에 대한 처리
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**/
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function _getNotNullCode($name, $var='column') {
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return
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sprintf(
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'if(!$%s->%s) return new Object(-1, sprintf($lang->filter->isnull, $lang->%s?$lang->%s:\'%s\'));'."\n",
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$var,
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$name,
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$name,
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$name,
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$name
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);
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}
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/**
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* @brief 대상 테이블에 대한 처리
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**/
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function _getTablesScript($xml_obj) {
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$obj_tables = $xml_obj->query->tables->table;
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if(!is_array($obj_tables)) $obj_tables = array('', $obj_tables);
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foreach($obj_tables as $table_info) {
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$name = trim($table_info->attrs->name);
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if(!$name) continue;
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$alias = trim($table_info->attrs->alias);
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if(!$alias) $alias = $name;
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$table_list[] = sprintf('\'%s\'=>\'%s\'', $name, $alias);
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}
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return implode(",",$table_list);
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}
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/**
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* @brief 컬럼 처리
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**/
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function _getColumnsScript($xml_obj, &$default_script, &$notnull_script, &$filter_script, $action) {
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$obj_columns = $xml_obj->query->columns->column;
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if(!is_array($obj_columns)) $obj_columns = array('', $obj_columns);
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foreach($obj_columns as $column_info) {
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$name = trim($column_info->attrs->name);
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if(!$name || $name == '*') continue;
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$var = trim($column_info->attrs->var);
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$alias = trim($column_info->attrs->alias);
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if(!$alias) $alias = $name;
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$default = trim($column_info->attrs->default);
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$notnull = trim($column_info->attrs->notnull);
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$filter_type = trim($column_info->attrs->filter);
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$minlength = (int)trim($column_info->attrs->minlength);
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$maxlength = (int)trim($column_info->attrs->maxlength);
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$column_script .= sprintf('$column->%s = $args->%s;'."\n", $alias, $var?$var:$alias);
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$invert_columns[] = sprintf('\'%s\'=>\'%s\'', $alias, $name);
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$default_script .= $this->_getDefaultCode($alias, $default);
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if($action != 'select') {
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if($filter_type) $filter_script .= $this->_getFilterCode($alias, $filter_type, $minlength, $maxlength, 'column', $notnull);
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if($notnull) $notnull_script .= $this->_getNotNullCode($alias);
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}
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}
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if(is_array($invert_columns)) $column_script .= sprintf('$invert_columns = array(%s);'."\n", implode(',',$invert_columns));
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return $column_script;
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}
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/**
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* @brief 조건절 처리
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**/
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function _getConditionScript($xml_obj, &$default_script, &$notnull_script, &$filter_script) {
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$cond_idx = 0;
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$obj_conditions = $xml_obj->query->conditions->condition;
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$condition_script = $condition = $this->_getConditionQuery($cond_idx++, $obj_conditions, NULL, $notnull_script, $filter_script);
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$obj_groups = $xml_obj->query->conditions->group;
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if(!is_array($obj_groups)) $obj_groups = array('', $obj_groups);
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foreach($obj_groups as $obj_group) {
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$group_pipe = $obj_group->attrs->pipe;
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if(!$group_pipe) continue;
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$buff = $this->_getConditionQuery($cond_idx++, $obj_group->condition, $group_pipe, $notnull_script, $filter_script);
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$condition_script .= $buff;
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}
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$condition_script .= '$condition = $this->_combineCondition($cond_group, $group_pipe);'."\n";
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return $condition_script;
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}
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/**
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* @brief 조건문의 쿼리를 만들어 줌
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**/
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function _getConditionQuery($cond_idx, $obj, $group_pipe, &$notnull_script, &$filter_script) {
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if(!is_array($obj)) $obj = array('', $obj);
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$idx = 0;
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foreach($obj as $obj_cond) {
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$operation = $obj_cond->attrs->operation;
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if(!$operation) continue;
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$column = $obj_cond->attrs->column;
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$var = $obj_cond->attrs->var;
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$filter = $obj_cond->attrs->filter;
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$notnull = $obj_cond->attrs->notnull;
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$pipe = $obj_cond->attrs->pipe;
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if(!$pipe) $pipe = 'and';
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$default = $obj_cond->attrs->default;
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// 비교 대상이 다른 혹은 같은 테이블의 column일 경우
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if(eregi("\.", $var)) {
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switch($operation) {
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case 'in' :
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$buff = sprintf('%s in (%s)', $column, $var);
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break;
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default :
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$operation = $this->cond_operation[$operation];
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if(!$operation) $operation = 'and';
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$buff = sprintf('%s %s %s', $column, $operation, $var);
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break;
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}
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$condition_script .= sprintf('$cond_group[%d][][\'%s\'] = \'%s\';'."\n",$cond_idx, $pipe, $buff);
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// 입력받을 변수일 경우
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} else {
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switch($operation) {
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case 'like' :
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$buff = sprintf('sprintf("%s like \'%%%%%%s%%%%\' ", $this->addQuotes($args->%s))', $column, $var);
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break;
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case 'like_prefix' :
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$buff = sprintf('sprintf("%s like \'%%s%%%%\' ", $this->addQuotes($args->%s))', $column, $var);
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break;
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case 'in' :
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$buff = sprintf('sprintf("%s in (%%s) ", $this->addQuotes($args->%s))', $column, $var);
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break;
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case 'notnull' :
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case 'null' :
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$operation = $this->cond_operation[$operation];
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unset($var);
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$buff = sprintf('"%s %s "', $column, $operation);
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break;
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default :
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$operation = $this->cond_operation[$operation];
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if($default) $buff = sprintf('sprintf("%s %s \'%%s\' ", $args->%s?$this->addQuotes($args->%s):\'%s\')', $column, $operation, $var?$var:$column, $var?$var:$column, $default);
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else $buff = sprintf('sprintf("%s %s \'%%s\' ", $this->addQuotes($args->%s))', $column, $operation, $var?$var:$column);
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break;
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}
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$buff = sprintf('$cond_group[%d][][\'%s\'] = %s;'."\n",$cond_idx, $pipe, $buff);
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if(!$notnull && $var) $buff = sprintf('if($args->%s) ', $var).$buff;
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$condition_script .= $buff;
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if($notnull) $notnull_script .= $this->_getNotNullCode($var?$var:$column, 'args');
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if($filter) $filter_script .= $this->_getFilterCode($var, $filter, 0, 0, 'args', $notnull);
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}
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}
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$condition_script .= sprintf('$group_pipe[%d] = \'%s\';'."\n", $cond_idx, $group_pipe);
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return $condition_script;
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}
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/**
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* @brief group by 쿼리 처리
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**/
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function _getGroupScript($xml_obj) {
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$group_list = $xml_obj->query->groups->group;
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if(!$group_list) return;
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if(!is_array($group_list)) $group_list = array($group_list);
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for($i=0;$i<count($group_list);$i++) {
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$group = $group_list[$i];
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$column = trim($group->attrs->column);
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if(!$column) continue;
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$group_column_list[] = $column;
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}
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if(count($group_column_list)) {
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return ' group by '.implode(" , ", $group_column_list);
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}
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}
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/**
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* @brief page navigation 처리
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**/
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function _getNavigationScript($xml_obj) {
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$obj_navigation = $xml_obj->query->navigation;
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if(!$obj_navigation) return;
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$obj_index = $obj_navigation->index->attrs;
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$index_list = array();
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if(!is_array($obj_index)) $obj_index = array('', $obj_index);
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foreach($obj_index as $index_info) {
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$var = trim($index_info->var);
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if(!$var) continue;
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$default = trim($index_info->default);
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$order = trim($index_info->order);
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if(!$order) $order = 'asc';
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$navigation_script .= sprintf('$navigation->index[] = array($args->%s?$args->%s:\'%s\', \'%s\');'."\n", $var, $var, $default, $order);
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}
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$obj_list_count = $obj_navigation->list_count->attrs;
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$count_var = $obj_list_count->var;
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$count_default = $obj_list_count->default;
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if($count_var) $navigation_script .= sprintf('$navigation->list_count = $args->%s?$args->%s%s;'."\n", $count_var, $count_var, $count_default?':'.$count_default:'');
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$obj_page_count = $obj_navigation->page_count->attrs;
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$count_var = $obj_page_count->var;
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$count_default = $obj_page_count->default;
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if($count_var) $navigation_script .= sprintf('$navigation->page_count = $args->%s?$args->%s%s;'."\n", $count_var, $count_var, $count_default?':'.$count_default:'');
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$obj_page = $obj_navigation->page->attrs;
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$page_var = $obj_page->var;
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$page_default = $obj_page->default;
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if($page_var) $navigation_script .= sprintf('$navigation->page = $args->%s?$args->%s%s;'."\n", $page_var, $page_var, $page_default?':'.$page_default:'');
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return $navigation_script;
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}
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}
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?>
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