Moved class tx_dbal_sqlengine to freshly created directory lib/
authorXavier Perseguers <typo3@perseguers.ch>
Wed, 28 Oct 2009 13:31:41 +0000 (13:31 +0000)
committerXavier Perseguers <typo3@perseguers.ch>
Wed, 28 Oct 2009 13:31:41 +0000 (13:31 +0000)
git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/dbal/trunk@25944 735d13b6-9817-0410-8766-e36946ffe9aa

typo3/sysext/dbal/class.tx_dbal_sqlengine.php [deleted file]
typo3/sysext/dbal/ext_autoload.php
typo3/sysext/dbal/lib/class.tx_dbal_sqlengine.php [new file with mode: 0644]

diff --git a/typo3/sysext/dbal/class.tx_dbal_sqlengine.php b/typo3/sysext/dbal/class.tx_dbal_sqlengine.php
deleted file mode 100644 (file)
index 9c66fa6..0000000
+++ /dev/null
@@ -1,908 +0,0 @@
-<?php
-/***************************************************************
-*  Copyright notice
-*
-*  (c) 2009 Xavier Perseguers <typo3@perseguers.ch>
-*  (c) 2004-2009 Kasper Skaarhoj <kasperYYYY@typo3.com>
-*  All rights reserved
-*
-*  This script is part of the TYPO3 project. The TYPO3 project is
-*  free software; you can redistribute it and/or modify
-*  it under the terms of the GNU General Public License as published by
-*  the Free Software Foundation; either version 2 of the License, or
-*  (at your option) any later version.
-*
-*  The GNU General Public License can be found at
-*  http://www.gnu.org/copyleft/gpl.html.
-*  A copy is found in the textfile GPL.txt and important notices to the license
-*  from the author is found in LICENSE.txt distributed with these scripts.
-*
-*
-*  This script is distributed in the hope that it will be useful,
-*  but WITHOUT ANY WARRANTY; without even the implied warranty of
-*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*  GNU General Public License for more details.
-*
-*  This copyright notice MUST APPEAR in all copies of the script!
-***************************************************************/
-
-
-/**
- * PHP SQL engine
- *
- * $Id$
- *
- * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
- * @author Xavier Perseguers <typo3@perseguers.ch>
- */
-/**
- * [CLASS/FUNCTION INDEX of SCRIPT]
- *
- *
- *
- *  104: class tx_dbal_sqlengine extends ux_t3lib_sqlparser
- *  126:     function init($config, &$pObj)
- *  134:     function resetStatusVars()
- *  150:     function processAccordingToConfig(&$value,$fInfo)
- *
- *              SECTION: SQL queries
- *  205:     function exec_INSERTquery($table,$fields_values)
- *  273:     function exec_UPDATEquery($table,$where,$fields_values)
- *  332:     function exec_DELETEquery($table,$where)
- *  383:     function exec_SELECTquery($select_fields,$from_table,$where_clause,$groupBy,$orderBy,$limit)
- *  426:     function sql_query($query)
- *  437:     function sql_error()
- *  446:     function sql_insert_id()
- *  455:     function sql_affected_rows()
- *  465:     function quoteStr($str)
- *
- *              SECTION: SQL admin functions
- *  490:     function admin_get_tables()
- *  501:     function admin_get_fields($tableName)
- *  512:     function admin_get_keys($tableName)
- *  523:     function admin_query($query)
- *
- *              SECTION: Data Source I/O
- *  548:     function readDataSource($table)
- *  560:     function saveDataSource($table)
- *
- *              SECTION: SQL engine functions (PHP simulation of SQL) - still experimental
- *  590:     function selectFromData($table,$where)
- *  628:     function select_evalSingle($table,$config,&$itemKeys)
- *  747:     function getResultSet($keys, $table, $fieldList)
- *
- *              SECTION: Debugging
- *  790:     function debug_printResultSet($array)
- *
- *
- *  829: class tx_dbal_sqlengine_resultobj
- *  843:     function sql_num_rows()
- *  852:     function sql_fetch_assoc()
- *  863:     function sql_fetch_row()
- *  881:     function sql_data_seek($pointer)
- *  894:     function sql_field_type()
- *
- * TOTAL FUNCTIONS: 27
- * (This index is automatically created/updated by the extension "extdeveval")
- *
- */
-
-
-
-
-
-
-
-
-/**
- * PHP SQL engine / server
- * Basically this is trying to emulation SQL record selection by PHP, thus allowing SQL queries into alternative data storages managed by PHP.
- * EXPERIMENTAL!
- *
- * @author     Kasper Skaarhoj <kasperYYYY@typo3.com>
- * @package TYPO3
- * @subpackage t3lib
- */
-class tx_dbal_sqlengine extends ux_t3lib_sqlparser {
-
-               // array with data records: [table name][num.index] = records
-       var $data = array();                                            // Data source storage
-
-
-               // Internal, SQL Status vars:
-       var $errorStatus = '';                                          // Set with error message of last operation
-       var $lastInsertedId = 0;                                        // Set with last inserted unique ID
-       var $lastAffectedRows = 0;                                      // Set with last number of affected rows.
-
-
-
-
-
-       /**
-        * Dummy function for initializing SQL handler. Create you own in derived classes.
-        *
-        * @param       array           Configuration array from handler
-        * @param       object          Parent object
-        * @return      void
-        */
-       public function init($config, $pObj) {
-       }
-
-       /**
-        * Reset SQL engine status variables (insert id, affected rows, error status)
-        *
-        * @return      void
-        */
-       public function resetStatusVars() {
-               $this->errorStatus = '';
-               $this->lastInsertedId = 0;
-               $this->lastAffectedRows = 0;
-       }
-
-       /**
-        * Processing of update/insert values based on field type.
-        *
-        * The input value is typecast and trimmed/shortened according to the field
-        * type and the configuration options from the $fInfo parameter.
-        *
-        * @param       mixed           $value The input value to process
-        * @param       array           $fInfo Field configuration data
-        * @return      mixed           The processed input value
-        */
-       private function processAccordingToConfig(&$value, $fInfo) {
-               $options = $this->parseFieldDef($fInfo['Type']);
-
-               switch(strtolower($options['fieldType']))       {
-                       case 'int':
-                       case 'smallint':
-                       case 'tinyint':
-                       case 'mediumint':
-                               $value = intval($value);
-                               if ($options['featureIndex']['UNSIGNED'])       {
-                                       $value = t3lib_div::intInRange($value,0);
-                               }
-                       break;
-                       case 'double':
-                               $value = (double)$value;
-                       break;
-                       case 'varchar':
-                       case 'char':
-                               $value = substr($value,0,trim($options['value']));
-                       break;
-                       case 'text':
-                       case 'blob':
-                               $value = substr($value,0,65536);
-                       break;
-                       case 'tinytext':
-                       case 'tinyblob':
-                               $value = substr($value,0,256);
-                       break;
-                       case 'mediumtext':
-                       case 'mediumblob':
-                               // ??
-                       break;
-               }
-       }
-
-
-
-
-
-
-
-       /********************************
-        *
-        * SQL queries
-        * This is the SQL access functions used when this class is instantiated as a SQL handler with DBAL. Override these in derived classes.
-        *
-        ********************************/
-
-       /**
-        * Execute an INSERT query
-        *
-        * @param       string          Table name
-        * @param       array           Field values as key=>value pairs.
-        * @return      boolean         TRUE on success and FALSE on failure (error is set internally)
-        */
-       public function exec_INSERTquery($table, $fields_values) {
-
-                       // Initialize
-               $this->resetStatusVars();
-
-                       // Reading Data Source if not done already.
-               $this->readDataSource($table);
-
-                       // If data source is set:
-               if (is_array($this->data[$table]))      {
-
-                       $fieldInformation = $this->admin_get_fields($table);            // Should cache this...!
-
-                               // Looking for unique keys:
-                       $saveArray = array();
-                       foreach($fieldInformation as $fInfo)    {
-
-                                       // Field name:
-                               $fN = $fInfo['Field'];
-
-                                       // Set value:
-// FIXME $options not defined
-                               $saveArray[$fN] = isset($fields_values[$fN]) ? $fields_values[$fN] : $options['Default'];
-
-                                       // Process value:
-                               $this->processAccordingToConfig($saveArray[$fN], $fInfo);
-
-                                       // If an auto increment field is found, find the largest current uid:
-                               if ($fInfo['Extra'] == 'auto_increment')        {
-
-                                               // Get all UIDs:
-                                       $uidArray = array();
-                                       foreach($this->data[$table] as $r)      {
-                                               $uidArray[] = $r[$fN];
-                                       }
-
-                                               // If current value is blank or already in array, we create a new:
-                                       if (!$saveArray[$fN] || in_array(intval($saveArray[$fN]), $uidArray))   {
-                                               if (count($uidArray))   {
-                                                       $saveArray[$fN] = max($uidArray)+1;
-                                               } else $saveArray[$fN] = 1;
-                                       }
-
-                                               // Update "last inserted id":
-                                       $this->lastInsertedId = $saveArray[$fN];
-                               }
-                       }
-
-                               // Insert row in table:
-                       $this->data[$table][] = $saveArray;
-
-                               // Save data source
-                       $this->saveDataSource($table);
-
-                       return TRUE;
-               } else $this->errorStatus = 'No data loaded.';
-
-               return FALSE;
-       }
-
-       /**
-        * Execute UPDATE query on table
-        *
-        * @param       string          Table name
-        * @param       string          WHERE clause
-        * @param       array           Field values as key=>value pairs.
-        * @return      boolean         TRUE on success and FALSE on failure (error is set internally)
-        */
-       public function exec_UPDATEquery($table, $where, $fields_values) {
-
-                       // Initialize:
-               $this->resetStatusVars();
-
-                       // Reading Data Source if not done already.
-               $this->readDataSource($table);
-
-                       // If anything is there:
-               if (is_array($this->data[$table]))      {
-
-                               // Parse WHERE clause:
-                       $where = $this->parseWhereClause($where);
-
-                       if (is_array($where))   {
-
-                                       // Field information
-                               $fieldInformation = $this->admin_get_fields($table);            // Should cache this...!
-
-                                       // Traverse fields to update:
-                               foreach($fields_values as $fName => $fValue)    {
-                                       $this->processAccordingToConfig($fields_values[$fName],$fieldInformation[$fName]);
-                               }
-
-                                       // Do query, returns array with keys to the data array of the result:
-                               $itemKeys = $this->selectFromData($table,$where);
-
-                                       // Set "last affected rows":
-                               $this->lastAffectedRows = count($itemKeys);
-
-                                       // Update rows:
-                               if ($this->lastAffectedRows)    {
-                                               // Traverse result set here:
-                                       foreach($itemKeys as $dataArrayKey)     {
-
-                                                       // Traverse fields to update:
-                                               foreach($fields_values as $fName => $fValue)    {
-                                                       $this->data[$table][$dataArrayKey][$fName] = $fValue;
-                                               }
-                                       }
-
-                                       // Save data source
-                                       $this->saveDataSource($table);
-                               }
-
-                               return TRUE;
-                       } else $this->errorStatus = 'WHERE clause contained errors: '.$where;
-               } else $this->errorStatus = 'No data loaded.';
-
-               return FALSE;
-       }
-
-       /**
-        * Execute DELETE query
-        *
-        * @param       string          Table to delete from
-        * @param       string          WHERE clause
-        * @return      boolean         TRUE on success and FALSE on failure (error is set internally)
-        */
-       public function exec_DELETEquery($table, $where) {
-
-                       // Initialize:
-               $this->resetStatusVars();
-
-                       // Reading Data Source if not done already.
-               $this->readDataSource($table);
-
-                       // If anything is there:
-               if (is_array($this->data[$table]))      {
-
-                               // Parse WHERE clause:
-                       $where = $this->parseWhereClause($where);
-
-                       if (is_array($where))   {
-
-                                       // Do query, returns array with keys to the data array of the result:
-                               $itemKeys = $this->selectFromData($table,$where);
-
-                                       // Set "last affected rows":
-                               $this->lastAffectedRows = count($itemKeys);
-
-                                       // Remove rows:
-                               if ($this->lastAffectedRows)    {
-                                               // Traverse result set:
-                                       foreach($itemKeys as $dataArrayKey)     {
-                                               unset($this->data[$table][$dataArrayKey]);
-                                       }
-
-                                               // Saving data source
-                                       $this->saveDataSource($table);
-                               }
-
-                               return TRUE;
-                       } else $this->errorStatus = 'WHERE clause contained errors: '.$where;
-               } else $this->errorStatus = 'No data loaded.';
-
-               return FALSE;
-       }
-
-       /**
-        * Execute SELECT query
-        *
-        * @param       string          List of fields to select from the table. This is what comes right after "SELECT ...". Required value.
-        * @param       string          Table(s) from which to select. This is what comes right after "FROM ...". Required value.
-        * @param       string          Optional additional WHERE clauses put in the end of the query. NOTICE: You must escape values in this argument with $this->fullQuoteStr() yourself! DO NOT PUT IN GROUP BY, ORDER BY or LIMIT!
-        * @param       string          Optional GROUP BY field(s), if none, supply blank string.
-        * @param       string          Optional ORDER BY field(s), if none, supply blank string.
-        * @param       string          Optional LIMIT value ([begin,]max), if none, supply blank string.
-        * @return      object          Returns result object, but if errors, returns false
-        */
-       public function exec_SELECTquery($select_fields, $from_table, $where_clause, $groupBy, $orderBy, $limit) {
-
-                       // Initialize:
-               $this->resetStatusVars();
-
-                       // Create result object
-               $sqlObj = t3lib_div::makeInstance('tx_dbal_sqlengine_resultobj');
-               $sqlObj->result = array();      // Empty result as a beginning
-
-                       // Get table list:
-               $tableArray = $this->parseFromTables($from_table);
-               $table = $tableArray[0]['table'];
-
-                       // Reading Data Source if not done already.
-               $this->readDataSource($table);
-
-                       // If anything is there:
-               if (is_array($this->data[$table]))      {
-
-                               // Parse WHERE clause:
-                       $where = $this->parseWhereClause($where_clause);
-                       if (is_array($where))   {
-
-                                       // Do query, returns array with keys to the data array of the result:
-                               $itemKeys = $this->selectFromData($table,$where);
-
-                                       // Finally, read the result rows into this variable:
-                               $sqlObj->result = $this->getResultSet($itemKeys,$table,'*');
-                                       // Reset and return result:
-                               reset($sqlObj->result);
-                               return $sqlObj;
-                       } else $this->errorStatus = 'WHERE clause contained errors: '.$where;
-               }  else $this->errorStatus = 'No data loaded: '.$this->errorStatus;
-
-               return FALSE;
-       }
-
-       /**
-        * Performs an SQL query on the "database"
-        *
-        * @param       string          Query to execute
-        * @return      object          Result object or false if error
-        */
-       public function sql_query($query) {
-               $res = t3lib_div::makeInstance('tx_dbal_sqlengine_resultobj');
-               $res->result = array();
-               return $res;
-       }
-
-       /**
-        * Returns most recent error
-        *
-        * @return      string          Error message, if any
-        */
-       public function sql_error() {
-               return $this->errorStatus;
-       }
-
-       /**
-        * Returns most recently create unique ID (of INSERT queries)
-        *
-        * @return      integer         Last unique id created.
-        */
-       public function sql_insert_id() {
-               return $this->lastInsertedId;
-       }
-
-       /**
-        * Returns affected rows (of UPDATE and DELETE queries)
-        *
-        * @return      integer         Last amount of affected rows.
-        */
-       public function sql_affected_rows() {
-               return $this->lastAffectedRows;
-       }
-
-       /**
-        * Quoting strings for insertion in SQL queries
-        *
-        * @param       string          Input String
-        * @return      string          String, with quotes escaped
-        */
-       public function quoteStr($str) {
-               return addslashes($str);
-       }
-
-
-
-
-
-
-
-
-
-
-       /**************************************
-        *
-        * SQL admin functions
-        * (For use in the Install Tool and Extension Manager)
-        *
-        **************************************/
-
-       /**
-        * (DUMMY) Returns the list of tables from the database
-        *
-        * @return      array           Tables in an array (tablename is in both key and value)
-        * @todo        Should return table details in value! see t3lib_db::admin_get_tables()
-        */
-       public function admin_get_tables() {
-               $whichTables = array();
-               return $whichTables;
-       }
-
-       /**
-        * (DUMMY) Returns information about each field in the $table
-        *
-        * @param       string          Table name
-        * @return      array           Field information in an associative array with fieldname => field row
-        */
-       public function admin_get_fields($tableName) {
-               $output = array();
-               return $output;
-       }
-
-       /**
-        * (DUMMY) Returns information about each index key in the $table
-        *
-        * @param       string          Table name
-        * @return      array           Key information in a numeric array
-        */
-       public function admin_get_keys($tableName) {
-               $output = array();
-               return $output;
-       }
-
-       /**
-        * (DUMMY) mysql() wrapper function, used by the Install Tool and EM for all queries regarding management of the database!
-        *
-        * @param       string          Query to execute
-        * @return      pointer         Result pointer
-        */
-       public function admin_query($query) {
-               return $this->sql_query($query);
-       }
-
-
-
-
-
-
-
-
-       /********************************
-        *
-        * Data Source I/O
-        *
-        ********************************/
-
-       /**
-        * Dummy function for setting table data. Create your own.
-        * NOTICE: Handler to "table-locking" needs to be made probably!
-        *
-        * @param       string          Table name
-        * @return      void
-        * @todo        Table locking tools?
-        */
-       public function readDataSource($table) {
-               $this->data[$table] = array();
-       }
-
-       /**
-        * Dummy function for setting table data. Create your own.
-        * NOTICE: Handler to "table-locking" needs to be made probably!
-        *
-        * @param       string          Table name
-        * @return      void
-        * @todo        Table locking tools?
-        */
-       public function saveDataSource($table) {
-               debug($this->data[$table]);
-       }
-
-
-
-
-
-
-
-
-
-
-
-
-
-       /********************************
-        *
-        * SQL engine functions (PHP simulation of SQL) - still experimental
-        *
-        ********************************/
-
-       /**
-        * PHP simulation of SQL "SELECT"
-        * Yet EXPERIMENTAL!
-        *
-        * @param       string          Table name
-        * @param       array           Where clause parsed into array
-        * @return      array           Array of keys pointing to result rows in $this->data[$table]
-        */
-       public function selectFromData($table, $where) {
-
-               $output = array();
-               if (is_array($this->data[$table]))      {
-
-                               // All keys:
-                       $OR_index = 0;
-
-                       foreach($where as $config)      {
-
-                               if (strtoupper($config['operator'])=='OR')      {
-                                       $OR_index++;
-                               }
-
-                               if (!isset($itemKeys[$OR_index]))       $itemKeys[$OR_index] = array_keys($this->data[$table]);
-
-                               $this->select_evalSingle($table,$config,$itemKeys[$OR_index]);
-                       }
-
-                       foreach($itemKeys as $uidKeys)  {
-                               $output = array_merge($output, $uidKeys);
-                       }
-                       $output = array_unique($output);
-               }
-
-               return $output;
-       }
-
-       /**
-        * Evalutaion of a WHERE-clause-array.
-        * Yet EXPERIMENTAL
-        *
-        * @param       string          Tablename
-        * @param       array           WHERE-configuration array
-        * @param       array           Data array to work on.
-        * @return      void            Data array passed by reference
-        * @see selectFromData()
-        */
-       public function select_evalSingle($table,$config,&$itemKeys) {
-               $neg = preg_match('/^AND[[:space:]]+NOT$/',trim($config['operator']));
-
-               if (is_array($config['sub']))   {
-                       $subSelKeys = $this->selectFromData($table,$config['sub']);
-                       if ($neg)       {
-                               foreach($itemKeys as $kk => $vv)        {
-                                       if (in_array($vv,$subSelKeys))  {
-                                               unset($itemKeys[$kk]);
-                                       }
-                               }
-                       } else {
-                               $itemKeys = array_intersect($itemKeys, $subSelKeys);
-                       }
-               } else {
-                       $comp = strtoupper(str_replace(array(' ',"\t","\r","\n"),'',$config['comparator']));
-                       $mod = strtoupper($config['modifier']);
-                       switch($comp)   {
-                               case 'NOTLIKE':
-                               case 'LIKE':
-                                       $like_value = strtolower($config['value'][0]);
-                                       if (substr($like_value,0,1)=='%')       {
-                                               $wildCard_begin = TRUE;
-                                               $like_value = substr($like_value,1);
-                                       }
-                                       if (substr($like_value,-1)=='%')        {
-                                               $wildCard_end = TRUE;
-                                               $like_value = substr($like_value,0,-1);
-                                       }
-                               break;
-                               case 'NOTIN':
-                               case 'IN':
-                                       $in_valueArray = array();
-                                       foreach($config['value'] as $vParts)    {
-                                               $in_valueArray[] = (string)$vParts[0];
-                                       }
-                               break;
-                       }
-
-                       foreach($itemKeys as $kk => $v) {
-                               $field_value = $this->data[$table][$v][$config['field']];
-
-                                       // Calculate it:
-                               if ($config['calc']=='&')       {
-                                       $field_value&=intval($config['calc_value']);
-                               }
-
-                                       // Compare it:
-                               switch($comp)   {
-                                       case '<=':
-                                               $bool = $field_value <= $config['value'][0];
-                                       break;
-                                       case '>=':
-                                               $bool = $field_value >= $config['value'][0];
-                                       break;
-                                       case '<':
-                                               $bool = $field_value < $config['value'][0];
-                                       break;
-                                       case '>':
-                                               $bool = $field_value > $config['value'][0];
-                                       break;
-                                       case '=':
-                                               $bool = !strcmp($field_value,$config['value'][0]);
-                                       break;
-                                       case '!=':
-                                               $bool = strcmp($field_value,$config['value'][0]);
-                                       break;
-                                       case 'NOTIN':
-                                       case 'IN':
-                                               $bool = in_array((string)$field_value, $in_valueArray);
-                                               if ($comp=='NOTIN')     $bool = !$bool;
-                                       break;
-                                       case 'NOTLIKE':
-                                       case 'LIKE':
-                                               if (!strlen($like_value))       {
-                                                       $bool = TRUE;
-                                               } elseif ($wildCard_begin && !$wildCard_end)    {
-                                                       $bool = !strcmp(substr(strtolower($field_value),-strlen($like_value)),$like_value);
-                                               } elseif (!$wildCard_begin && $wildCard_end)    {
-                                                       $bool = !strcmp(substr(strtolower($field_value),0,strlen($like_value)),$like_value);
-                                               } elseif ($wildCard_begin && $wildCard_end)     {
-                                                       $bool = strstr($field_value,$like_value);
-                                               } else {
-                                                       $bool = !strcmp(strtolower($field_value),$like_value);
-                                               }
-                                               if ($comp=='NOTLIKE')   $bool = !$bool;
-                                       break;
-                                       default:
-                                               $bool = $field_value ? TRUE : FALSE;
-                                       break;
-                               }
-
-                                       // General negation:
-                               if ($neg)       $bool = !$bool;
-
-                                       // Modify?
-                               switch($mod)    {
-                                       case 'NOT':
-                                       case '!':
-                                               $bool = !$bool;
-                                       break;
-                               }
-
-                                       // Action:
-                               if (!$bool)     {
-                                       unset($itemKeys[$kk]);
-                               }
-                       }
-               }
-       }
-
-       /**
-        * Returning result set based on result keys, table and field list
-        *
-        * @param       array           Result keys
-        * @param       string          Tablename
-        * @param       string          Fieldlist (commaseparated)
-        * @return      array           Result array with "rows"
-        */
-       public function getResultSet($keys, $table, $fieldList) {
-               $fields = t3lib_div::trimExplode(',',$fieldList);
-
-               $output = array();
-               foreach($keys as $kValue)       {
-                       if ($fieldList=='*')    {
-                               $output[$kValue] = $this->data[$table][$kValue];
-                       } else {
-                               foreach($fields as $fieldName)  {
-                                       $output[$kValue][$fieldName] = $this->data[$table][$kValue][$fieldName];
-                               }
-                       }
-               }
-
-               return $output;
-       }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-       /*************************
-        *
-        * Debugging
-        *
-        *************************/
-
-       /**
-        * Returns the result set (in array) as HTML table. For debugging.
-        *
-        * @param       array           Result set array (array of rows)
-        * @return      string          HTML table
-        */
-       public function debug_printResultSet($array) {
-
-               if (count($array))      {
-                       $tRows=array();
-                       $fields = array_keys(current($array));
-                                       $tCell[]='
-                                                       <td>IDX</td>';
-                               foreach($fields as $fieldName)  {
-                                       $tCell[]='
-                                                       <td>'.htmlspecialchars($fieldName).'</td>';
-                               }
-                               $tRows[]='<tr>'.implode('',$tCell).'</tr>';
-
-
-                       foreach($array as $index => $rec)       {
-
-                               $tCell=array();
-                               $tCell[]='
-                                               <td>'.htmlspecialchars($index).'</td>';
-                               foreach($fields as $fieldName)  {
-                                       $tCell[]='
-                                                       <td>'.htmlspecialchars($rec[$fieldName]).'</td>';
-                               }
-                               $tRows[]='<tr>'.implode('',$tCell).'</tr>';
-                       }
-
-                       return '<table border="1">'.implode('',$tRows).'</table>';
-               } else 'Empty resultset';
-       }
-}
-
-
-/**
- * PHP SQL engine, result object
- *
- * @author     Kasper Skaarhoj <kasperYYYY@typo3.com>
- * @package TYPO3
- * @subpackage dbal
- */
-class tx_dbal_sqlengine_resultobj {
-
-               // Result array, must contain the fields in the order they were selected in the SQL statement (for sql_fetch_row())
-       var $result = array();
-
-       var $TYPO3_DBAL_handlerType = '';
-       var $TYPO3_DBAL_tableList = '';
-
-
-       /**
-        * Counting number of rows
-        *
-        * @return      integer
-        */
-       public function sql_num_rows() {
-               return count($this->result);
-       }
-
-       /**
-        * Fetching next row in result array
-        *
-        * @return      array           Associative array
-        */
-       public function sql_fetch_assoc() {
-               $row = current($this->result);
-               next($this->result);
-               return $row;
-       }
-
-       /**
-        * Fetching next row, numerical indices
-        *
-        * @return      array           Numerical array
-        */
-       public function sql_fetch_row() {
-               $resultRow = $this->sql_fetch_assoc();
-
-               if (is_array($resultRow))       {
-                       $numArray = array();
-                       foreach($resultRow as $value)   {
-                               $numArray[]=$value;
-                       }
-                       return $numArray;
-               }
-       }
-
-       /**
-        * Seeking position in result
-        *
-        * @param       integer         Position pointer.
-        * @return      boolean         Returns true on success
-        */
-       public function sql_data_seek($pointer) {
-               reset($this->result);
-               for ($a=0;$a<$pointer;$a++)     {
-                       next($this->result);
-               }
-               return TRUE;
-       }
-
-       /**
-        * Returning SQL field type
-        *
-        * @return      string          Blank string, not supported (it seems)
-        */
-       public function sql_field_type() {
-               return '';
-       }
-}
-
-
-
-if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/class.tx_dbal_sqlengine.php']) {
-       include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/class.tx_dbal_sqlengine.php']);
-}
-
-?>
index a96828b..5006d6e 100644 (file)
@@ -5,7 +5,7 @@
 
 $extensionPath = t3lib_extMgm::extPath('dbal');
 return array(
-       'tx_dbal_sqlengine' => $extensionPath . 'class.tx_dbal_sqlengine.php',
+       'tx_dbal_sqlengine' => $extensionPath . 'lib/class.tx_dbal_sqlengine.php',
        'ux_t3lib_sqlparser' => $extensionPath . 'class.ux_t3lib_sqlparser.php',
 );
 ?>
diff --git a/typo3/sysext/dbal/lib/class.tx_dbal_sqlengine.php b/typo3/sysext/dbal/lib/class.tx_dbal_sqlengine.php
new file mode 100644 (file)
index 0000000..fcae6c9
--- /dev/null
@@ -0,0 +1,908 @@
+<?php
+/***************************************************************
+*  Copyright notice
+*
+*  (c) 2009 Xavier Perseguers <typo3@perseguers.ch>
+*  (c) 2004-2009 Kasper Skaarhoj <kasperYYYY@typo3.com>
+*  All rights reserved
+*
+*  This script is part of the TYPO3 project. The TYPO3 project is
+*  free software; you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation; either version 2 of the License, or
+*  (at your option) any later version.
+*
+*  The GNU General Public License can be found at
+*  http://www.gnu.org/copyleft/gpl.html.
+*  A copy is found in the textfile GPL.txt and important notices to the license
+*  from the author is found in LICENSE.txt distributed with these scripts.
+*
+*
+*  This script is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  This copyright notice MUST APPEAR in all copies of the script!
+***************************************************************/
+
+
+/**
+ * PHP SQL engine
+ *
+ * $Id$
+ *
+ * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
+ * @author Xavier Perseguers <typo3@perseguers.ch>
+ */
+/**
+ * [CLASS/FUNCTION INDEX of SCRIPT]
+ *
+ *
+ *
+ *  104: class tx_dbal_sqlengine extends ux_t3lib_sqlparser
+ *  126:     function init($config, &$pObj)
+ *  134:     function resetStatusVars()
+ *  150:     function processAccordingToConfig(&$value,$fInfo)
+ *
+ *              SECTION: SQL queries
+ *  205:     function exec_INSERTquery($table,$fields_values)
+ *  273:     function exec_UPDATEquery($table,$where,$fields_values)
+ *  332:     function exec_DELETEquery($table,$where)
+ *  383:     function exec_SELECTquery($select_fields,$from_table,$where_clause,$groupBy,$orderBy,$limit)
+ *  426:     function sql_query($query)
+ *  437:     function sql_error()
+ *  446:     function sql_insert_id()
+ *  455:     function sql_affected_rows()
+ *  465:     function quoteStr($str)
+ *
+ *              SECTION: SQL admin functions
+ *  490:     function admin_get_tables()
+ *  501:     function admin_get_fields($tableName)
+ *  512:     function admin_get_keys($tableName)
+ *  523:     function admin_query($query)
+ *
+ *              SECTION: Data Source I/O
+ *  548:     function readDataSource($table)
+ *  560:     function saveDataSource($table)
+ *
+ *              SECTION: SQL engine functions (PHP simulation of SQL) - still experimental
+ *  590:     function selectFromData($table,$where)
+ *  628:     function select_evalSingle($table,$config,&$itemKeys)
+ *  747:     function getResultSet($keys, $table, $fieldList)
+ *
+ *              SECTION: Debugging
+ *  790:     function debug_printResultSet($array)
+ *
+ *
+ *  829: class tx_dbal_sqlengine_resultobj
+ *  843:     function sql_num_rows()
+ *  852:     function sql_fetch_assoc()
+ *  863:     function sql_fetch_row()
+ *  881:     function sql_data_seek($pointer)
+ *  894:     function sql_field_type()
+ *
+ * TOTAL FUNCTIONS: 27
+ * (This index is automatically created/updated by the extension "extdeveval")
+ *
+ */
+
+
+
+
+
+
+
+
+/**
+ * PHP SQL engine / server
+ * Basically this is trying to emulation SQL record selection by PHP, thus allowing SQL queries into alternative data storages managed by PHP.
+ * EXPERIMENTAL!
+ *
+ * @author     Kasper Skaarhoj <kasperYYYY@typo3.com>
+ * @package TYPO3
+ * @subpackage t3lib
+ */
+class tx_dbal_sqlengine extends ux_t3lib_sqlparser {
+
+               // array with data records: [table name][num.index] = records
+       var $data = array();                                            // Data source storage
+
+
+               // Internal, SQL Status vars:
+       var $errorStatus = '';                                          // Set with error message of last operation
+       var $lastInsertedId = 0;                                        // Set with last inserted unique ID
+       var $lastAffectedRows = 0;                                      // Set with last number of affected rows.
+
+
+
+
+
+       /**
+        * Dummy function for initializing SQL handler. Create you own in derived classes.
+        *
+        * @param       array           Configuration array from handler
+        * @param       object          Parent object
+        * @return      void
+        */
+       public function init($config, $pObj) {
+       }
+
+       /**
+        * Reset SQL engine status variables (insert id, affected rows, error status)
+        *
+        * @return      void
+        */
+       public function resetStatusVars() {
+               $this->errorStatus = '';
+               $this->lastInsertedId = 0;
+               $this->lastAffectedRows = 0;
+       }
+
+       /**
+        * Processing of update/insert values based on field type.
+        *
+        * The input value is typecast and trimmed/shortened according to the field
+        * type and the configuration options from the $fInfo parameter.
+        *
+        * @param       mixed           $value The input value to process
+        * @param       array           $fInfo Field configuration data
+        * @return      mixed           The processed input value
+        */
+       private function processAccordingToConfig(&$value, $fInfo) {
+               $options = $this->parseFieldDef($fInfo['Type']);
+
+               switch(strtolower($options['fieldType']))       {
+                       case 'int':
+                       case 'smallint':
+                       case 'tinyint':
+                       case 'mediumint':
+                               $value = intval($value);
+                               if ($options['featureIndex']['UNSIGNED'])       {
+                                       $value = t3lib_div::intInRange($value,0);
+                               }
+                       break;
+                       case 'double':
+                               $value = (double)$value;
+                       break;
+                       case 'varchar':
+                       case 'char':
+                               $value = substr($value,0,trim($options['value']));
+                       break;
+                       case 'text':
+                       case 'blob':
+                               $value = substr($value,0,65536);
+                       break;
+                       case 'tinytext':
+                       case 'tinyblob':
+                               $value = substr($value,0,256);
+                       break;
+                       case 'mediumtext':
+                       case 'mediumblob':
+                               // ??
+                       break;
+               }
+       }
+
+
+
+
+
+
+
+       /********************************
+        *
+        * SQL queries
+        * This is the SQL access functions used when this class is instantiated as a SQL handler with DBAL. Override these in derived classes.
+        *
+        ********************************/
+
+       /**
+        * Execute an INSERT query
+        *
+        * @param       string          Table name
+        * @param       array           Field values as key=>value pairs.
+        * @return      boolean         TRUE on success and FALSE on failure (error is set internally)
+        */
+       public function exec_INSERTquery($table, $fields_values) {
+
+                       // Initialize
+               $this->resetStatusVars();
+
+                       // Reading Data Source if not done already.
+               $this->readDataSource($table);
+
+                       // If data source is set:
+               if (is_array($this->data[$table]))      {
+
+                       $fieldInformation = $this->admin_get_fields($table);            // Should cache this...!
+
+                               // Looking for unique keys:
+                       $saveArray = array();
+                       foreach($fieldInformation as $fInfo)    {
+
+                                       // Field name:
+                               $fN = $fInfo['Field'];
+
+                                       // Set value:
+// FIXME $options not defined
+                               $saveArray[$fN] = isset($fields_values[$fN]) ? $fields_values[$fN] : $options['Default'];
+
+                                       // Process value:
+                               $this->processAccordingToConfig($saveArray[$fN], $fInfo);
+
+                                       // If an auto increment field is found, find the largest current uid:
+                               if ($fInfo['Extra'] == 'auto_increment')        {
+
+                                               // Get all UIDs:
+                                       $uidArray = array();
+                                       foreach($this->data[$table] as $r)      {
+                                               $uidArray[] = $r[$fN];
+                                       }
+
+                                               // If current value is blank or already in array, we create a new:
+                                       if (!$saveArray[$fN] || in_array(intval($saveArray[$fN]), $uidArray))   {
+                                               if (count($uidArray))   {
+                                                       $saveArray[$fN] = max($uidArray)+1;
+                                               } else $saveArray[$fN] = 1;
+                                       }
+
+                                               // Update "last inserted id":
+                                       $this->lastInsertedId = $saveArray[$fN];
+                               }
+                       }
+
+                               // Insert row in table:
+                       $this->data[$table][] = $saveArray;
+
+                               // Save data source
+                       $this->saveDataSource($table);
+
+                       return TRUE;
+               } else $this->errorStatus = 'No data loaded.';
+
+               return FALSE;
+       }
+
+       /**
+        * Execute UPDATE query on table
+        *
+        * @param       string          Table name
+        * @param       string          WHERE clause
+        * @param       array           Field values as key=>value pairs.
+        * @return      boolean         TRUE on success and FALSE on failure (error is set internally)
+        */
+       public function exec_UPDATEquery($table, $where, $fields_values) {
+
+                       // Initialize:
+               $this->resetStatusVars();
+
+                       // Reading Data Source if not done already.
+               $this->readDataSource($table);
+
+                       // If anything is there:
+               if (is_array($this->data[$table]))      {
+
+                               // Parse WHERE clause:
+                       $where = $this->parseWhereClause($where);
+
+                       if (is_array($where))   {
+
+                                       // Field information
+                               $fieldInformation = $this->admin_get_fields($table);            // Should cache this...!
+
+                                       // Traverse fields to update:
+                               foreach($fields_values as $fName => $fValue)    {
+                                       $this->processAccordingToConfig($fields_values[$fName],$fieldInformation[$fName]);
+                               }
+
+                                       // Do query, returns array with keys to the data array of the result:
+                               $itemKeys = $this->selectFromData($table,$where);
+
+                                       // Set "last affected rows":
+                               $this->lastAffectedRows = count($itemKeys);
+
+                                       // Update rows:
+                               if ($this->lastAffectedRows)    {
+                                               // Traverse result set here:
+                                       foreach($itemKeys as $dataArrayKey)     {
+
+                                                       // Traverse fields to update:
+                                               foreach($fields_values as $fName => $fValue)    {
+                                                       $this->data[$table][$dataArrayKey][$fName] = $fValue;
+                                               }
+                                       }
+
+                                       // Save data source
+                                       $this->saveDataSource($table);
+                               }
+
+                               return TRUE;
+                       } else $this->errorStatus = 'WHERE clause contained errors: '.$where;
+               } else $this->errorStatus = 'No data loaded.';
+
+               return FALSE;
+       }
+
+       /**
+        * Execute DELETE query
+        *
+        * @param       string          Table to delete from
+        * @param       string          WHERE clause
+        * @return      boolean         TRUE on success and FALSE on failure (error is set internally)
+        */
+       public function exec_DELETEquery($table, $where) {
+
+                       // Initialize:
+               $this->resetStatusVars();
+
+                       // Reading Data Source if not done already.
+               $this->readDataSource($table);
+
+                       // If anything is there:
+               if (is_array($this->data[$table]))      {
+
+                               // Parse WHERE clause:
+                       $where = $this->parseWhereClause($where);
+
+                       if (is_array($where))   {
+
+                                       // Do query, returns array with keys to the data array of the result:
+                               $itemKeys = $this->selectFromData($table,$where);
+
+                                       // Set "last affected rows":
+                               $this->lastAffectedRows = count($itemKeys);
+
+                                       // Remove rows:
+                               if ($this->lastAffectedRows)    {
+                                               // Traverse result set:
+                                       foreach($itemKeys as $dataArrayKey)     {
+                                               unset($this->data[$table][$dataArrayKey]);
+                                       }
+
+                                               // Saving data source
+                                       $this->saveDataSource($table);
+                               }
+
+                               return TRUE;
+                       } else $this->errorStatus = 'WHERE clause contained errors: '.$where;
+               } else $this->errorStatus = 'No data loaded.';
+
+               return FALSE;
+       }
+
+       /**
+        * Execute SELECT query
+        *
+        * @param       string          List of fields to select from the table. This is what comes right after "SELECT ...". Required value.
+        * @param       string          Table(s) from which to select. This is what comes right after "FROM ...". Required value.
+        * @param       string          Optional additional WHERE clauses put in the end of the query. NOTICE: You must escape values in this argument with $this->fullQuoteStr() yourself! DO NOT PUT IN GROUP BY, ORDER BY or LIMIT!
+        * @param       string          Optional GROUP BY field(s), if none, supply blank string.
+        * @param       string          Optional ORDER BY field(s), if none, supply blank string.
+        * @param       string          Optional LIMIT value ([begin,]max), if none, supply blank string.
+        * @return      object          Returns result object, but if errors, returns false
+        */
+       public function exec_SELECTquery($select_fields, $from_table, $where_clause, $groupBy, $orderBy, $limit) {
+
+                       // Initialize:
+               $this->resetStatusVars();
+
+                       // Create result object
+               $sqlObj = t3lib_div::makeInstance('tx_dbal_sqlengine_resultobj');
+               $sqlObj->result = array();      // Empty result as a beginning
+
+                       // Get table list:
+               $tableArray = $this->parseFromTables($from_table);
+               $table = $tableArray[0]['table'];
+
+                       // Reading Data Source if not done already.
+               $this->readDataSource($table);
+
+                       // If anything is there:
+               if (is_array($this->data[$table]))      {
+
+                               // Parse WHERE clause:
+                       $where = $this->parseWhereClause($where_clause);
+                       if (is_array($where))   {
+
+                                       // Do query, returns array with keys to the data array of the result:
+                               $itemKeys = $this->selectFromData($table,$where);
+
+                                       // Finally, read the result rows into this variable:
+                               $sqlObj->result = $this->getResultSet($itemKeys,$table,'*');
+                                       // Reset and return result:
+                               reset($sqlObj->result);
+                               return $sqlObj;
+                       } else $this->errorStatus = 'WHERE clause contained errors: '.$where;
+               }  else $this->errorStatus = 'No data loaded: '.$this->errorStatus;
+
+               return FALSE;
+       }
+
+       /**
+        * Performs an SQL query on the "database"
+        *
+        * @param       string          Query to execute
+        * @return      object          Result object or false if error
+        */
+       public function sql_query($query) {
+               $res = t3lib_div::makeInstance('tx_dbal_sqlengine_resultobj');
+               $res->result = array();
+               return $res;
+       }
+
+       /**
+        * Returns most recent error
+        *
+        * @return      string          Error message, if any
+        */
+       public function sql_error() {
+               return $this->errorStatus;
+       }
+
+       /**
+        * Returns most recently create unique ID (of INSERT queries)
+        *
+        * @return      integer         Last unique id created.
+        */
+       public function sql_insert_id() {
+               return $this->lastInsertedId;
+       }
+
+       /**
+        * Returns affected rows (of UPDATE and DELETE queries)
+        *
+        * @return      integer         Last amount of affected rows.
+        */
+       public function sql_affected_rows() {
+               return $this->lastAffectedRows;
+       }
+
+       /**
+        * Quoting strings for insertion in SQL queries
+        *
+        * @param       string          Input String
+        * @return      string          String, with quotes escaped
+        */
+       public function quoteStr($str) {
+               return addslashes($str);
+       }
+
+
+
+
+
+
+
+
+
+
+       /**************************************
+        *
+        * SQL admin functions
+        * (For use in the Install Tool and Extension Manager)
+        *
+        **************************************/
+
+       /**
+        * (DUMMY) Returns the list of tables from the database
+        *
+        * @return      array           Tables in an array (tablename is in both key and value)
+        * @todo        Should return table details in value! see t3lib_db::admin_get_tables()
+        */
+       public function admin_get_tables() {
+               $whichTables = array();
+               return $whichTables;
+       }
+
+       /**
+        * (DUMMY) Returns information about each field in the $table
+        *
+        * @param       string          Table name
+        * @return      array           Field information in an associative array with fieldname => field row
+        */
+       public function admin_get_fields($tableName) {
+               $output = array();
+               return $output;
+       }
+
+       /**
+        * (DUMMY) Returns information about each index key in the $table
+        *
+        * @param       string          Table name
+        * @return      array           Key information in a numeric array
+        */
+       public function admin_get_keys($tableName) {
+               $output = array();
+               return $output;
+       }
+
+       /**
+        * (DUMMY) mysql() wrapper function, used by the Install Tool and EM for all queries regarding management of the database!
+        *
+        * @param       string          Query to execute
+        * @return      pointer         Result pointer
+        */
+       public function admin_query($query) {
+               return $this->sql_query($query);
+       }
+
+
+
+
+
+
+
+
+       /********************************
+        *
+        * Data Source I/O
+        *
+        ********************************/
+
+       /**
+        * Dummy function for setting table data. Create your own.
+        * NOTICE: Handler to "table-locking" needs to be made probably!
+        *
+        * @param       string          Table name
+        * @return      void
+        * @todo        Table locking tools?
+        */
+       public function readDataSource($table) {
+               $this->data[$table] = array();
+       }
+
+       /**
+        * Dummy function for setting table data. Create your own.
+        * NOTICE: Handler to "table-locking" needs to be made probably!
+        *
+        * @param       string          Table name
+        * @return      void
+        * @todo        Table locking tools?
+        */
+       public function saveDataSource($table) {
+               debug($this->data[$table]);
+       }
+
+
+
+
+
+
+
+
+
+
+
+
+
+       /********************************
+        *
+        * SQL engine functions (PHP simulation of SQL) - still experimental
+        *
+        ********************************/
+
+       /**
+        * PHP simulation of SQL "SELECT"
+        * Yet EXPERIMENTAL!
+        *
+        * @param       string          Table name
+        * @param       array           Where clause parsed into array
+        * @return      array           Array of keys pointing to result rows in $this->data[$table]
+        */
+       public function selectFromData($table, $where) {
+
+               $output = array();
+               if (is_array($this->data[$table]))      {
+
+                               // All keys:
+                       $OR_index = 0;
+
+                       foreach($where as $config)      {
+
+                               if (strtoupper($config['operator'])=='OR')      {
+                                       $OR_index++;
+                               }
+
+                               if (!isset($itemKeys[$OR_index]))       $itemKeys[$OR_index] = array_keys($this->data[$table]);
+
+                               $this->select_evalSingle($table,$config,$itemKeys[$OR_index]);
+                       }
+
+                       foreach($itemKeys as $uidKeys)  {
+                               $output = array_merge($output, $uidKeys);
+                       }
+                       $output = array_unique($output);
+               }
+
+               return $output;
+       }
+
+       /**
+        * Evalutaion of a WHERE-clause-array.
+        * Yet EXPERIMENTAL
+        *
+        * @param       string          Tablename
+        * @param       array           WHERE-configuration array
+        * @param       array           Data array to work on.
+        * @return      void            Data array passed by reference
+        * @see selectFromData()
+        */
+       public function select_evalSingle($table,$config,&$itemKeys) {
+               $neg = preg_match('/^AND[[:space:]]+NOT$/',trim($config['operator']));
+
+               if (is_array($config['sub']))   {
+                       $subSelKeys = $this->selectFromData($table,$config['sub']);
+                       if ($neg)       {
+                               foreach($itemKeys as $kk => $vv)        {
+                                       if (in_array($vv,$subSelKeys))  {
+                                               unset($itemKeys[$kk]);
+                                       }
+                               }
+                       } else {
+                               $itemKeys = array_intersect($itemKeys, $subSelKeys);
+                       }
+               } else {
+                       $comp = strtoupper(str_replace(array(' ',"\t","\r","\n"),'',$config['comparator']));
+                       $mod = strtoupper($config['modifier']);
+                       switch($comp)   {
+                               case 'NOTLIKE':
+                               case 'LIKE':
+                                       $like_value = strtolower($config['value'][0]);
+                                       if (substr($like_value,0,1)=='%')       {
+                                               $wildCard_begin = TRUE;
+                                               $like_value = substr($like_value,1);
+                                       }
+                                       if (substr($like_value,-1)=='%')        {
+                                               $wildCard_end = TRUE;
+                                               $like_value = substr($like_value,0,-1);
+                                       }
+                               break;
+                               case 'NOTIN':
+                               case 'IN':
+                                       $in_valueArray = array();
+                                       foreach($config['value'] as $vParts)    {
+                                               $in_valueArray[] = (string)$vParts[0];
+                                       }
+                               break;
+                       }
+
+                       foreach($itemKeys as $kk => $v) {
+                               $field_value = $this->data[$table][$v][$config['field']];
+
+                                       // Calculate it:
+                               if ($config['calc']=='&')       {
+                                       $field_value&=intval($config['calc_value']);
+                               }
+
+                                       // Compare it:
+                               switch($comp)   {
+                                       case '<=':
+                                               $bool = $field_value <= $config['value'][0];
+                                       break;
+                                       case '>=':
+                                               $bool = $field_value >= $config['value'][0];
+                                       break;
+                                       case '<':
+                                               $bool = $field_value < $config['value'][0];
+                                       break;
+                                       case '>':
+                                               $bool = $field_value > $config['value'][0];
+                                       break;
+                                       case '=':
+                                               $bool = !strcmp($field_value,$config['value'][0]);
+                                       break;
+                                       case '!=':
+                                               $bool = strcmp($field_value,$config['value'][0]);
+                                       break;
+                                       case 'NOTIN':
+                                       case 'IN':
+                                               $bool = in_array((string)$field_value, $in_valueArray);
+                                               if ($comp=='NOTIN')     $bool = !$bool;
+                                       break;
+                                       case 'NOTLIKE':
+                                       case 'LIKE':
+                                               if (!strlen($like_value))       {
+                                                       $bool = TRUE;
+                                               } elseif ($wildCard_begin && !$wildCard_end)    {
+                                                       $bool = !strcmp(substr(strtolower($field_value),-strlen($like_value)),$like_value);
+                                               } elseif (!$wildCard_begin && $wildCard_end)    {
+                                                       $bool = !strcmp(substr(strtolower($field_value),0,strlen($like_value)),$like_value);
+                                               } elseif ($wildCard_begin && $wildCard_end)     {
+                                                       $bool = strstr($field_value,$like_value);
+                                               } else {
+                                                       $bool = !strcmp(strtolower($field_value),$like_value);
+                                               }
+                                               if ($comp=='NOTLIKE')   $bool = !$bool;
+                                       break;
+                                       default:
+                                               $bool = $field_value ? TRUE : FALSE;
+                                       break;
+                               }
+
+                                       // General negation:
+                               if ($neg)       $bool = !$bool;
+
+                                       // Modify?
+                               switch($mod)    {
+                                       case 'NOT':
+                                       case '!':
+                                               $bool = !$bool;
+                                       break;
+                               }
+
+                                       // Action:
+                               if (!$bool)     {
+                                       unset($itemKeys[$kk]);
+                               }
+                       }
+               }
+       }
+
+       /**
+        * Returning result set based on result keys, table and field list
+        *
+        * @param       array           Result keys
+        * @param       string          Tablename
+        * @param       string          Fieldlist (commaseparated)
+        * @return      array           Result array with "rows"
+        */
+       public function getResultSet($keys, $table, $fieldList) {
+               $fields = t3lib_div::trimExplode(',',$fieldList);
+
+               $output = array();
+               foreach($keys as $kValue)       {
+                       if ($fieldList=='*')    {
+                               $output[$kValue] = $this->data[$table][$kValue];
+                       } else {
+                               foreach($fields as $fieldName)  {
+                                       $output[$kValue][$fieldName] = $this->data[$table][$kValue][$fieldName];
+                               }
+                       }
+               }
+
+               return $output;
+       }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+       /*************************
+        *
+        * Debugging
+        *
+        *************************/
+
+       /**
+        * Returns the result set (in array) as HTML table. For debugging.
+        *
+        * @param       array           Result set array (array of rows)
+        * @return      string          HTML table
+        */
+       public function debug_printResultSet($array) {
+
+               if (count($array))      {
+                       $tRows=array();
+                       $fields = array_keys(current($array));
+                                       $tCell[]='
+                                                       <td>IDX</td>';
+                               foreach($fields as $fieldName)  {
+                                       $tCell[]='
+                                                       <td>'.htmlspecialchars($fieldName).'</td>';
+                               }
+                               $tRows[]='<tr>'.implode('',$tCell).'</tr>';
+
+
+                       foreach($array as $index => $rec)       {
+
+                               $tCell=array();
+                               $tCell[]='
+                                               <td>'.htmlspecialchars($index).'</td>';
+                               foreach($fields as $fieldName)  {
+                                       $tCell[]='
+                                                       <td>'.htmlspecialchars($rec[$fieldName]).'</td>';
+                               }
+                               $tRows[]='<tr>'.implode('',$tCell).'</tr>';
+                       }
+
+                       return '<table border="1">'.implode('',$tRows).'</table>';
+               } else 'Empty resultset';
+       }
+}
+
+
+/**
+ * PHP SQL engine, result object
+ *
+ * @author     Kasper Skaarhoj <kasperYYYY@typo3.com>
+ * @package TYPO3
+ * @subpackage dbal
+ */
+class tx_dbal_sqlengine_resultobj {
+
+               // Result array, must contain the fields in the order they were selected in the SQL statement (for sql_fetch_row())
+       var $result = array();
+
+       var $TYPO3_DBAL_handlerType = '';
+       var $TYPO3_DBAL_tableList = '';
+
+
+       /**
+        * Counting number of rows
+        *
+        * @return      integer
+        */
+       public function sql_num_rows() {
+               return count($this->result);
+       }
+
+       /**
+        * Fetching next row in result array
+        *
+        * @return      array           Associative array
+        */
+       public function sql_fetch_assoc() {
+               $row = current($this->result);
+               next($this->result);
+               return $row;
+       }
+
+       /**
+        * Fetching next row, numerical indices
+        *
+        * @return      array           Numerical array
+        */
+       public function sql_fetch_row() {
+               $resultRow = $this->sql_fetch_assoc();
+
+               if (is_array($resultRow))       {
+                       $numArray = array();
+                       foreach($resultRow as $value)   {
+                               $numArray[]=$value;
+                       }
+                       return $numArray;
+               }
+       }
+
+       /**
+        * Seeking position in result
+        *
+        * @param       integer         Position pointer.
+        * @return      boolean         Returns true on success
+        */
+       public function sql_data_seek($pointer) {
+               reset($this->result);
+               for ($a=0;$a<$pointer;$a++)     {
+                       next($this->result);
+               }
+               return TRUE;
+       }
+
+       /**
+        * Returning SQL field type
+        *
+        * @return      string          Blank string, not supported (it seems)
+        */
+       public function sql_field_type() {
+               return '';
+       }
+}
+
+
+
+if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/lib/class.tx_dbal_sqlengine.php']) {
+       include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dbal/lib/class.tx_dbal_sqlengine.php']);
+}
+
+?>