mirror/php-dibi
1
0
Fork 0
mirror of https://github.com/dg/dibi.git synced 2025-02-21 09:23:57 +01:00
Code Issues Releases Wiki Activity

Browse Source
This commit is contained in:
David Grudl 2006-09-13 12:02:38 +00:00
parent 6c4ede17d6
commit da70be27a8
3 changed files with 25 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
dibi.compact/dibi.compact.php
View File

@ -13,8 +13,8 @@
* @license GNU GENERAL PUBLIC LICENSE v2
* @package dibi
* @category Database
* @version 0.6c $Revision: 16 $ $Date: 2006-08-25 17:17:40 +0200 (pá, 25 VIII 2006) $
*/define('DIBI','Version 0.6c $Revision: 16 $');if(version_compare(PHP_VERSION,'5.0.3','<'))die('dibi needs PHP 5.0.3 or newer');
* @version 0.6c $Revision: 17 $ $Date: 2006-08-25 20:10:30 +0200 (pá, 25 VIII 2006) $
*/define('DIBI','Version 0.6c $Revision: 17 $');if(version_compare(PHP_VERSION,'5.0.3','<'))die('dibi needs PHP 5.0.3 or newer');
if(!defined('DIBI'))die();abstract class DibiDriver{protected$config;protected$substs=array();public$formats=array('NULL'=>"NULL",'TRUE'=>"1",'FALSE'=>"0",'date'=>"'Y-m-d'",'datetime'=>"'Y-m-d H:i:s'",);abstract static public function connect($config);protected function __construct($config){$this->config=$config;}public function getConfig(){return$this->config;}abstract public function query($sql);abstract public function affectedRows();abstract public function insertId();abstract public function begin();abstract public function commit();abstract public function rollback();abstract public function escape($value,$appendQuotes=FALSE);abstract public function quoteName($value);abstract public function getMetaData();public function addSubst($expr,$subst){$this->substs[':'.$expr.':']=$subst;}public function removeSubst($expr){unset($this->substs[':'.$expr.':']);}protected function applySubsts($value){if($this->substs&&(strpos($value,':')!==FALSE))return strtr($value,$this->substs);return$value;}}
if(!defined('DIBI'))die();if(!interface_exists('Countable',false)){interface Countable{function count();}}abstract class DibiResult implements IteratorAggregate,Countable{protected$convert;abstract public function seek($row);abstract public function rowCount();abstract public function getFields();abstract public function getMetaData($field);abstract protected function detectTypes();abstract protected function free();abstract protected function doFetch();final public function fetch(){$rec=$this->doFetch();if(!is_array($rec))return FALSE;if($t=$this->convert){foreach($rec as$key=>$value){if(isset($t[$key]))$rec[$key]=$this->convert($value,$t[$key]);}}return$rec;}final function fetchSingle(){$rec=$this->doFetch();if(!is_array($rec))return FALSE;if($t=$this->convert){$value=reset($rec);$key=key($rec);return isset($t[$key])?$this->convert($value,$t[$key]):$value;}return reset($rec);}final function fetchAll(){@$this->seek(0);$rec=$this->fetch();if(!$rec)return array();$assocBy=func_get_args();$arr=array();if(!$assocBy){$value=count($rec)==1?key($rec):NULL;do{$arr[]=$value===NULL?$rec:$rec[$value];}while($rec=$this->fetch());return$arr;}do{foreach($assocBy as$n=>$assoc){$val[$n]=$rec[$assoc];unset($rec[$assoc]);}foreach($assocBy as$n=>$assoc){if($n==0)$tmp=&$arr[$val[$n]];else$tmp=&$tmp[$assoc][$val[$n]];if($tmp===NULL)$tmp=$rec;}}while($rec=$this->fetch());return$arr;}final function fetchPairs($key,$value){@$this->seek(0);$rec=$this->fetch();if(!$rec)return array();$arr=array();do{$arr[$rec[$key]]=$rec[$value];}while($rec=$this->fetch());return$arr;}public function __destruct(){@$this->free();}public function setType($field,$type=NULL){if($field===TRUE)$this->detectTypes();elseif(is_array($field))$this->convert=$field;else$this->convert[$field]=$type;}public function getType($field){return isset($this->convert[$field])?$this->convert[$field]:NULL;}public function convert($value,$type){if($value===NULL||$value===FALSE)return$value;static$conv=array(dibi::FIELD_TEXT=>'string',dibi::FIELD_BINARY=>'string',dibi::FIELD_BOOL=>'bool',dibi::FIELD_INTEGER=>'int',dibi::FIELD_FLOAT=>'float',dibi::FIELD_COUNTER=>'int',);if(isset($conv[$type])){settype($value,$conv[$type]);return$value;}if($type==dibi::FIELD_DATE)return strtotime($value);if($type==dibi::FIELD_DATETIME)return strtotime($value);return$value;}public function getIterator($offset=NULL,$count=NULL){return new DibiResultIterator($this,$offset,$count);}public function count(){return$this->rowCount();}}class DibiResultIterator implements Iterator{private$result,$offset,$count,$record,$row;public function __construct(DibiResult$result,$offset=NULL,$count=NULL){$this->result=$result;$this->offset=(int)$offset;$this->count=$count===NULL?2147483647:(int)$count;}public function rewind(){$this->row=0;@$this->result->seek($this->offset);$this->record=$this->result->fetch();}public function key(){return$this->row;}public function current(){return$this->record;}public function next(){$this->record=$this->result->fetch();$this->row++;}public function valid(){return is_array($this->record)&&($this->row<$this->count);}}
if(!defined('DIBI'))die();class DibiParser{private$modifier,$hasError,$driver,$ifLevel,$ifLevelStart;public function parse($driver,$args){$this->driver=$driver;$this->hasError=FALSE;$command=null;$mod=&$this->modifier;$mod=FALSE;$this->ifLevel=$this->ifLevelStart=0;$comment=&$this->comment;$comment=FALSE;$sql=array();foreach($args as$arg){if('if'==$mod){$mod=FALSE;$this->ifLevel++;if(!$comment&&!$arg){$sql[]='/*';$this->ifLevelStart=$this->ifLevel;$comment=TRUE;}continue;}if(is_string($arg)&&(!$mod||'p'==$mod)){$mod=FALSE;$sql[]=$this->formatValue($arg,'p');continue;}if(!$mod&&is_array($arg)&&is_string(key($arg))){if(!$command)$command=strtoupper(substr(ltrim($args[0]),0,6));$mod=('INSERT'==$command||'REPLAC'==$command)?'v':'a';}$sql[]=$comment?'...':$this->formatValue($arg,$mod);$mod=FALSE;}if($comment)$sql[]='*/';$sql=implode(' ',$sql);if($this->hasError)return new DibiException('Errors during generating SQL',array('sql'=>$sql));return$sql;}private function formatValue($value,$modifier){if(is_array($value)){$vx=$kx=array();switch($modifier){case'a':foreach($value as$k=>$v){$pair=explode('%',$k,2);if(isset($pair[1])){$mod=$pair[1];if(isset($mod[0])&&'?'==$mod[0]){if(NULL===$v)continue;$mod=substr($mod,1);}}else$mod=FALSE;$vx[]=$this->driver->quoteName($pair[0]).'='.$this->formatValue($v,$mod);}return implode(', ',$vx);case'v':foreach($value as$k=>$v){$pair=explode('%',$k,2);if(isset($pair[1])){$mod=$pair[1];if(isset($mod[0])&&'?'==$mod[0]){if($v===NULL)continue;$mod=substr($mod,1);}}else$mod=FALSE;$kx[]=$this->driver->quoteName($pair[0]);$vx[]=$this->formatValue($v,$mod);}return'('.implode(', ',$kx).') VALUES ('.implode(', ',$vx).')';default:foreach($value as$v)$vx[]=$this->formatValue($v,$modifier);return implode(', ',$vx);}}if($modifier){if($value instanceof IDibiVariable)return$value->toSql($this->driver,$modifier);if(!is_scalar($value)&&!is_null($value)){$this->hasError=TRUE;return'**Unexpected '.gettype($value).'**';}switch($modifier){case"s":return$this->driver->escape($value,TRUE);case'b':return$value?$this->driver->formats['TRUE']:$this->driver->formats['FALSE'];case'i':case'u':return(string)(int)$value;case'f':return(string)(float)$value;case'd':return date($this->driver->formats['date'],is_string($value)?strtotime($value):$value);case't':return date($this->driver->formats['datetime'],is_string($value)?strtotime($value):$value);case'n':return$this->driver->quoteName($value);case'p':$value=(string)$value;$toSkip=strcspn($value,'`[\'"%');if(strlen($value)==$toSkip)return$value;return substr($value,0,$toSkip).preg_replace_callback('/
@ -28,8 +28,9 @@
%([a-zA-Z]{1,2})$| ## 8) right modifier
(\'|") ## 9) lone-quote
)/xs',array($this,'callback'),substr($value,$toSkip));case'a':case'v':$this->hasError=TRUE;return"**Unexpected ".gettype($value)."**";case'if':$this->hasError=TRUE;return"**The %$modifier is not allowed here**";default:$this->hasError=TRUE;return"**Unknown modifier %$modifier**";}}if(is_string($value))return$this->driver->escape($value,TRUE);if(is_int($value)||is_float($value))return(string)$value;if(is_bool($value))return$value?$this->driver->formats['TRUE']:$this->driver->formats['FALSE'];if(is_null($value))return$this->driver->formats['NULL'];if($value instanceof IDibiVariable)return$value->toSql($this->driver);$this->hasError=TRUE;return'**Unexpected '.gettype($value).'**';}private function callback($matches){if($matches[1])return$this->driver->quoteName($matches[1]);if($matches[2])return$this->driver->quoteName($matches[2]);if($matches[3])return$this->comment?'...':$this->driver->escape(strtr($matches[4],array("''"=>"'")),TRUE);if($matches[5])return$this->comment?'...':$this->driver->escape(strtr($matches[6],array('""'=>'"')),TRUE);if($matches[7]){if(!$this->ifLevel){$this->hasError=TRUE;return"**Unexpected condition $matches[8]**";}if('end'==$matches[7]){$this->ifLevel--;if($this->ifLevelStart==$this->ifLevel+1){$this->ifLevelStart=0;$this->comment=FALSE;return'*/';}return'';}if($this->ifLevelStart==$this->ifLevel){$this->ifLevelStart=0;$this->comment=FALSE;return'*/';}elseif(!$this->comment){$this->ifLevelStart=$this->ifLevel;$this->comment=TRUE;return'/*';}}if($matches[8]){$this->modifier=$matches[8];return'';}if($matches[9]){$this->hasError=TRUE;return'**Alone quote**';}die('this should be never executed');}}
if(!defined('DIBI'))die();class DibiException extends Exception{private$info;public function __construct($message,$info=NULL){$this->info=$info;if(isset($info['message']))$message="$message: $info[message]";parent::__construct($message);}public function getSql(){return$this->info['sql'];}}function is_error($var){return($var===FALSE)||($var instanceof Exception);} if(function_exists('date_default_timezone_set'))date_default_timezone_set('Europe/Prague');interface IDibiVariable{public function toSQL($driver,$modifier=NULL);}class dibi{const FIELD_TEXT='s',FIELD_BINARY='S',FIELD_BOOL='b',FIELD_INTEGER='i',FIELD_FLOAT='f',FIELD_DATE='d',FIELD_DATETIME='t',FIELD_UNKNOWN='?',FIELD_COUNTER='c';static private$registry=array();static private$conn;static private$parser;static public$sql;static public$error;static public$logFile;static public$logMode='w';static public$debug=false;static public function connect($config,$name='def'){if(!self::$parser)self::$parser=new DibiParser();if(is_string($config))parse_str($config,$config);if(empty($config['driver']))return new DibiException('Driver is not specified.');$className="Dibi$config[driver]Driver"; if(!class_exists($className))return new DibiException("Unable to create instance of dibi driver class '$className'.");$conn=call_user_func(array($className,'connect'),$config);if(self::$logFile!=NULL&&self::$logMode){if(is_error($conn))$msg="Can't connect to DB '$config[driver]': ".$conn->getMessage();else$msg="Successfully connected to DB '$config[driver]'";$f=fopen(self::$logFile,self::$logMode);fwrite($f,"$msg\r\n\r\n");fclose($f);}if(is_error($conn)){if(self::$debug)echo'[dibi error] '.$conn->getMessage();return$conn;}self::$conn=self::$registry[$name]=$conn;return TRUE;}static public function isConnected(){return(bool)self::$conn;}static public function getConnection($name=NULL){if(NULL===$name)return self::$conn;if(isset(self::$registry[$name]))return self::$registry[$name];return FALSE;}static public function activate($name){if(!isset(self::$registry[$name]))return FALSE;self::$conn=self::$registry[$name];return TRUE;}static public function query($args){if(!self::$conn)return new DibiException('Dibi is not connected to DB');if(!is_array($args))$args=func_get_args();self::$sql=self::$parser->parse(self::$conn,$args);if(is_error(self::$sql))return self::$sql;$timer=-microtime(true);$res=self::$conn->query(self::$sql);$timer+=microtime(true);if(is_error($res)){if(self::$debug){echo'[dibi error] '.$res->getMessage();self::dump(self::$sql);}self::$error=$res;}else{self::$error=FALSE;}if(self::$logFile!=NULL){if(is_error($res))$msg=$res->getMessage();elseif($res instanceof DibiResult)$msg='object('.get_class($res).') rows: '.$res->rowCount();else$msg='OK';$f=fopen(self::$logFile,'a');fwrite($f,self::$sql.";\r\n-- Result: $msg"."\r\n-- Takes: ".sprintf('%0.3f',$timer*1000).' ms'."\r\n\r\n");fclose($f);}return$res;}static public function test($args){if(!self::$conn)return FALSE;if(!is_array($args))$args=func_get_args();$sql=self::$parser->parse(self::$conn,$args);$dump=TRUE;if($dump){if(is_error($sql))self::dump($sql->getSql());else self::dump($sql);}return$sql;}static public function insertId(){return self::$conn?self::$conn->insertId():FALSE;}static public function affectedRows(){return self::$conn?self::$conn->affectedRows():FALSE;}static public function addSubst($expr,$subst){return self::$conn?self::$conn->addSubst($expr,$subst):FALSE;}static private function dumpHighlight($matches){if(!empty($matches[1]))return'<em style="color:gray">'.$matches[1].'</em>';if(!empty($matches[2]))return'<strong style="color:red">'.$matches[2].'</strong>';if(!empty($matches[3]))return'<strong style="color:blue">'.$matches[3].'</strong>';if(!empty($matches[4]))return'<strong style="color:green">'.$matches[4].'</strong>';}static public function dump($sql){static$keywords2='ALL|DISTINCT|AS|ON|INTO|AND|OR|AS';static$keywords1='SELECT|UPDATE|INSERT|DELETE|FROM|WHERE|HAVING|GROUP\s+BY|ORDER\s+BY|LIMIT|SET|VALUES|LEFT\s+JOIN|INNER\s+JOIN';$sql=preg_replace("#\\b(?:$keywords1)\\b#","\n\$0",$sql);$sql=trim($sql);$sql=wordwrap($sql,100);$sql=htmlSpecialChars($sql);$sql=strtr($sql,array("\n"=>'<br />'));$sql=preg_replace_callback("#(/\*.+?\*/)|(\*\*.+?\*\*)|\\b($keywords1)\\b|\\b($keywords2)\\b#",array('dibi','dumpHighlight'),$sql);echo'<pre class="dibi">',$sql,'</pre>';}static public function dumpResult(DibiResult$res){echo'<table class="dump"><tr>';echo'<th>Row</th>';$fieldCount=$res->fieldCount();for($i=0;$i<$fieldCount;$i++){$info=$res->fieldMeta($i);echo'<th>'.htmlSpecialChars($info['name']).'</th>';}echo'</tr>';foreach($res as$row=>$fields){echo'<tr><th>',$row,'</th>';foreach($fields as$field){if(is_object($field))$field=$field->__toString();echo'<td>',htmlSpecialChars($field),'</td>';}echo'</tr>';}echo'</table>';}}
if(!defined('DIBI'))die();class DibiException extends Exception{private$info;public function __construct($message,$info=NULL){$this->info=$info;if(isset($info['message']))$message="$message: $info[message]";parent::__construct($message);}public function getSql(){return$this->info['sql'];}}function is_error($var){return($var===FALSE)||($var instanceof Exception);} if(function_exists('date_default_timezone_set'))date_default_timezone_set('Europe/Prague');interface IDibiVariable{public function toSQL($driver,$modifier=NULL);}class dibi{const FIELD_TEXT='s',FIELD_BINARY='S',FIELD_BOOL='b',FIELD_INTEGER='i',FIELD_FLOAT='f',FIELD_DATE='d',FIELD_DATETIME='t',FIELD_UNKNOWN='?',FIELD_COUNTER='c';static private$registry=array();static private$conn;static private$parser;static public$sql;static public$error;static public$logFile;static public$logMode='w';static public$debug=false;static public function connect($config,$name='def'){if(!self::$parser)self::$parser=new DibiParser();if(is_string($config))parse_str($config,$config);if(empty($config['driver']))return new DibiException('Driver is not specified.');$className="Dibi$config[driver]Driver";if(!class_exists($className)){include_once dirname(__FILE__)."/drivers/$config[driver].php";if(!class_exists($className))return new DibiException("Unable to create instance of dibi driver class '$className'.");}$conn=call_user_func(array($className,'connect'),$config);if(self::$logFile!=NULL&&self::$logMode){if(is_error($conn))$msg="Can't connect to DB '$config[driver]': ".$conn->getMessage();else$msg="Successfully connected to DB '$config[driver]'";$f=fopen(self::$logFile,self::$logMode);fwrite($f,"$msg\r\n\r\n");fclose($f);}if(is_error($conn)){if(self::$debug)echo'[dibi error] '.$conn->getMessage();return$conn;}self::$conn=self::$registry[$name]=$conn;return TRUE;}static public function isConnected(){return(bool)self::$conn;}static public function getConnection($name=NULL){if(NULL===$name)return self::$conn;if(isset(self::$registry[$name]))return self::$registry[$name];return FALSE;}static public function activate($name){if(!isset(self::$registry[$name]))return FALSE;self::$conn=self::$registry[$name];return TRUE;}static public function query($args){if(!self::$conn)return new DibiException('Dibi is not connected to DB');if(!is_array($args))$args=func_get_args();self::$sql=self::$parser->parse(self::$conn,$args);if(is_error(self::$sql))return self::$sql;$timer=-microtime(true);$res=self::$conn->query(self::$sql);$timer+=microtime(true);if(is_error($res)){if(self::$debug){echo'[dibi error] '.$res->getMessage();self::dump(self::$sql);}self::$error=$res;}else{self::$error=FALSE;}if(self::$logFile!=NULL){if(is_error($res))$msg=$res->getMessage();elseif($res instanceof DibiResult)$msg='object('.get_class($res).') rows: '.$res->rowCount();else$msg='OK';$f=fopen(self::$logFile,'a');fwrite($f,self::$sql.";\r\n-- Result: $msg"."\r\n-- Takes: ".sprintf('%0.3f',$timer*1000).' ms'."\r\n\r\n");fclose($f);}return$res;}static public function test($args){if(!self::$conn)return FALSE;if(!is_array($args))$args=func_get_args();$sql=self::$parser->parse(self::$conn,$args);$dump=TRUE;if($dump){if(is_error($sql))self::dump($sql->getSql());else self::dump($sql);}return$sql;}static public function insertId(){return self::$conn?self::$conn->insertId():FALSE;}static public function affectedRows(){return self::$conn?self::$conn->affectedRows():FALSE;}static public function addSubst($expr,$subst){return self::$conn?self::$conn->addSubst($expr,$subst):FALSE;}static private function dumpHighlight($matches){if(!empty($matches[1]))return'<em style="color:gray">'.$matches[1].'</em>';if(!empty($matches[2]))return'<strong style="color:red">'.$matches[2].'</strong>';if(!empty($matches[3]))return'<strong style="color:blue">'.$matches[3].'</strong>';if(!empty($matches[4]))return'<strong style="color:green">'.$matches[4].'</strong>';}static public function dump($sql){static$keywords2='ALL|DISTINCT|AS|ON|INTO|AND|OR|AS';static$keywords1='SELECT|UPDATE|INSERT|DELETE|FROM|WHERE|HAVING|GROUP\s+BY|ORDER\s+BY|LIMIT|SET|VALUES|LEFT\s+JOIN|INNER\s+JOIN';$sql=preg_replace("#\\b(?:$keywords1)\\b#","\n\$0",$sql);$sql=trim($sql);$sql=wordwrap($sql,100);$sql=htmlSpecialChars($sql);$sql=strtr($sql,array("\n"=>'<br />'));$sql=preg_replace_callback("#(/\*.+?\*/)|(\*\*.+?\*\*)|\\b($keywords1)\\b|\\b($keywords2)\\b#",array('dibi','dumpHighlight'),$sql);echo'<pre class="dibi">',$sql,'</pre>';}static public function dumpResult(DibiResult$res){echo'<table class="dump"><tr>';echo'<th>Row</th>';$fieldCount=$res->fieldCount();for($i=0;$i<$fieldCount;$i++){$info=$res->fieldMeta($i);echo'<th>'.htmlSpecialChars($info['name']).'</th>';}echo'</tr>';foreach($res as$row=>$fields){echo'<tr><th>',$row,'</th>';foreach($fields as$field){if(is_object($field))$field=$field->__toString();echo'<td>',htmlSpecialChars($field),'</td>';}echo'</tr>';}echo'</table>';}}
if(!defined('DIBI'))die();class DibiMySqlDriver extends DibiDriver{private$conn,$insertId=FALSE,$affectedRows=FALSE;public$formats=array('NULL'=>"NULL",'TRUE'=>"1",'FALSE'=>"0",'date'=>"'Y-m-d'",'datetime'=>"'Y-m-d H:i:s'",);public static function connect($config){if(!extension_loaded('mysql'))return new DibiException("PHP extension 'mysql' is not loaded");foreach(array('username','password','protocol')as$var)if(!isset($config[$var]))$config[$var]=NULL;if(empty($config['host']))$config['host']='localhost';if($config['protocol']==='unix')$host=':'.$config['host'];else$host=$config['host'].(empty($config['port'])?'':':'.$config['port']);if(function_exists('ini_set'))$save=ini_set('track_errors',TRUE);$php_errormsg='';if(empty($config['persistent']))$conn=@mysql_connect($host,$config['username'],$config['password']);else$conn=@mysql_pconnect($host,$config['username'],$config['password']);if(function_exists('ini_set'))ini_set('track_errors',$save);if(!is_resource($conn))return new DibiException("Connecting error",array('message'=>mysql_error()?mysql_error():$php_errormsg,'code'=>mysql_errno(),));if(!empty($config['charset'])){$succ=@mysql_query('SET CHARACTER SET '.$config['charset'],$conn);}if(!empty($config['database'])){if(!@mysql_select_db($config['database'],$conn))return new DibiException("Connecting error",array('message'=>mysql_error($conn),'code'=>mysql_errno($conn),));}$obj=new self($config);$obj->conn=$conn;return$obj;}public function query($sql){$this->insertId=$this->affectedRows=FALSE;$res=@mysql_query($sql,$this->conn);if(is_resource($res))return new DibiMySqlResult($res);if($res===FALSE)return new DibiException("Query error",array('message'=>mysql_error($this->conn),'code'=>mysql_errno($this->conn),'sql'=>$sql,));$this->affectedRows=mysql_affected_rows($this->conn);if($this->affectedRows<0)$this->affectedRows=FALSE;$this->insertId=mysql_insert_id($this->conn);if($this->insertId<1)$this->insertId=FALSE;return TRUE;}public function affectedRows(){return$this->affectedRows;}public function insertId(){return$this->insertId;}public function begin(){return mysql_query('BEGIN',$this->conn);}public function commit(){return mysql_query('COMMIT',$this->conn);}public function rollback(){return mysql_query('ROLLBACK',$this->conn);}public function escape($value,$appendQuotes=FALSE){return$appendQuotes?"'".mysql_real_escape_string($value,$this->conn)."'":mysql_real_escape_string($value,$this->conn);}public function quoteName($value){return'`'.strtr($this->applySubsts($value),array('.'=>'`.`')).'`';}public function getMetaData(){trigger_error('Meta is not implemented yet.',E_USER_WARNING);}}class DibiMySqlResult extends DibiResult{private$resource,$meta;public function __construct($resource){$this->resource=$resource;}public function rowCount(){return mysql_num_rows($this->resource);}protected function doFetch(){return mysql_fetch_assoc($this->resource);}public function seek($row){return mysql_data_seek($this->resource,$row);}protected function free(){mysql_free_result($this->resource);}public function getFields(){if($this->meta===NULL)$this->createMeta();return array_keys($this->meta);}protected function detectTypes(){if($this->meta===NULL)$this->createMeta();}public function getMetaData($field){if($this->meta===NULL)$this->createMeta();return isset($this->meta[$field])?$this->meta[$field]:FALSE;}private function createMeta(){static$types=array('ENUM'=>dibi::FIELD_TEXT,'SET'=>dibi::FIELD_TEXT,'CHAR'=>dibi::FIELD_TEXT,'VARCHAR'=>dibi::FIELD_TEXT,'STRING'=>dibi::FIELD_TEXT,'TINYTEXT'=>dibi::FIELD_TEXT,'TEXT'=>dibi::FIELD_TEXT,'MEDIUMTEXT'=>dibi::FIELD_TEXT,'LONGTEXT'=>dibi::FIELD_TEXT,'BINARY'=>dibi::FIELD_BINARY,'VARBINARY'=>dibi::FIELD_BINARY,'TINYBLOB'=>dibi::FIELD_BINARY,'BLOB'=>dibi::FIELD_BINARY,'MEDIUMBLOB'=>dibi::FIELD_BINARY,'LONGBLOB'=>dibi::FIELD_BINARY,'DATE'=>dibi::FIELD_DATE,'DATETIME'=>dibi::FIELD_DATETIME,'TIMESTAMP'=>dibi::FIELD_DATETIME,'TIME'=>dibi::FIELD_DATETIME,'BIT'=>dibi::FIELD_BOOL,'YEAR'=>dibi::FIELD_INTEGER,'TINYINT'=>dibi::FIELD_INTEGER,'SMALLINT'=>dibi::FIELD_INTEGER,'MEDIUMINT'=>dibi::FIELD_INTEGER,'INT'=>dibi::FIELD_INTEGER,'INTEGER'=>dibi::FIELD_INTEGER,'BIGINT'=>dibi::FIELD_INTEGER,'FLOAT'=>dibi::FIELD_FLOAT,'DOUBLE'=>dibi::FIELD_FLOAT,'REAL'=>dibi::FIELD_FLOAT,'DECIMAL'=>dibi::FIELD_FLOAT,'NUMERIC'=>dibi::FIELD_FLOAT,);$count=mysql_num_fields($this->resource);$this->meta=$this->convert=array();for($index=0;$index<$count;$index++){$info['native']=$native=strtoupper(mysql_field_type($this->resource,$index));$info['flags']=explode(' ',mysql_field_flags($this->resource,$index));$info['length']=mysql_field_len($this->resource,$index);$info['table']=mysql_field_table($this->resource,$index);if(in_array('auto_increment',$info['flags']))$info['type']=dibi::FIELD_COUNTER;else{$info['type']=isset($types[$native])?$types[$native]:dibi::FIELD_UNKNOWN;}$name=mysql_field_name($this->resource,$index);$this->meta[$name]=$info;$this->convert[$name]=$info['type'];}}}
if(!defined('DIBI'))die();class DibiMySqliDriver extends DibiDriver{private$conn,$insertId=FALSE,$affectedRows=FALSE;public$formats=array('NULL'=>"NULL",'TRUE'=>"1",'FALSE'=>"0",'date'=>"'Y-m-d'",'datetime'=>"'Y-m-d H:i:s'",);public static function connect($config){if(!extension_loaded('mysqli'))return new DibiException("PHP extension 'mysqli' is not loaded");if(empty($config['host']))$config['host']='localhost';foreach(array('username','password','database','port')as$var)if(!isset($config[$var]))$config[$var]=NULL;$conn=@mysqli_connect($config['host'],$config['username'],$config['password'],$config['database'],$config['port']);if(!$conn)return new DibiException("Connecting error",array('message'=>mysqli_connect_error(),'code'=>mysqli_connect_errno(),));if(!empty($config['charset']))mysqli_query($conn,'SET CHARACTER SET '.$config['charset']);$obj=new self($config);$obj->conn=$conn;return$obj;}public function query($sql){$this->insertId=$this->affectedRows=FALSE;$res=@mysqli_query($this->conn,$sql);if(is_object($res))return new DibiMySqliResult($res);if($res===FALSE)return new DibiException("Query error",$this->errorInfo($sql));$this->affectedRows=mysqli_affected_rows($this->conn);if($this->affectedRows<0)$this->affectedRows=FALSE;$this->insertId=mysqli_insert_id($this->conn);if($this->insertId<1)$this->insertId=FALSE;return TRUE;}public function affectedRows(){return$this->affectedRows;}public function insertId(){return$this->insertId;}public function begin(){return mysqli_autocommit($this->conn,FALSE);}public function commit(){$ok=mysqli_commit($this->conn);mysqli_autocommit($this->conn,TRUE);return$ok;}public function rollback(){$ok=mysqli_rollback($this->conn);mysqli_autocommit($this->conn,TRUE);return$ok;}private function errorInfo($sql=NULL){return array('message'=>mysqli_error($this->conn),'code'=>mysqli_errno($this->conn),'sql'=>$sql,);}public function escape($value,$appendQuotes=FALSE){return$appendQuotes?"'".mysqli_real_escape_string($this->conn,$value)."'":mysqli_real_escape_string($this->conn,$value);}public function quoteName($value){return'`'.strtr($this->applySubsts($value),array('.'=>'`.`')).'`';}public function getMetaData(){trigger_error('Meta is not implemented yet.',E_USER_WARNING);}}class DibiMySqliResult extends DibiResult{private$resource,$meta;public function __construct($resource){$this->resource=$resource;}public function rowCount(){return mysqli_num_rows($this->resource);}protected function doFetch(){return mysqli_fetch_assoc($this->resource);}public function seek($row){return mysqli_data_seek($this->resource,$row);}protected function free(){mysqli_free_result($this->resource);}public function getFields(){if($this->meta===NULL)$this->createMeta();return array_keys($this->meta);}protected function detectTypes(){if($this->meta===NULL)$this->createMeta();}public function getMetaData($field){if($this->meta===NULL)$this->createMeta();return isset($this->meta[$field])?$this->meta[$field]:FALSE;}private function createMeta(){static$types=array(MYSQLI_TYPE_FLOAT=>dibi::FIELD_FLOAT,MYSQLI_TYPE_DOUBLE=>dibi::FIELD_FLOAT,MYSQLI_TYPE_DECIMAL=>dibi::FIELD_FLOAT,MYSQLI_TYPE_TINY=>dibi::FIELD_INTEGER,MYSQLI_TYPE_SHORT=>dibi::FIELD_INTEGER,MYSQLI_TYPE_LONG=>dibi::FIELD_INTEGER,MYSQLI_TYPE_LONGLONG=>dibi::FIELD_INTEGER,MYSQLI_TYPE_INT24=>dibi::FIELD_INTEGER,MYSQLI_TYPE_YEAR=>dibi::FIELD_INTEGER,MYSQLI_TYPE_GEOMETRY=>dibi::FIELD_INTEGER,MYSQLI_TYPE_DATE=>dibi::FIELD_DATE,MYSQLI_TYPE_NEWDATE=>dibi::FIELD_DATE,MYSQLI_TYPE_TIMESTAMP=>dibi::FIELD_DATETIME,MYSQLI_TYPE_TIME=>dibi::FIELD_DATETIME,MYSQLI_TYPE_DATETIME=>dibi::FIELD_DATETIME,MYSQLI_TYPE_ENUM=>dibi::FIELD_TEXT,MYSQLI_TYPE_SET=>dibi::FIELD_TEXT,MYSQLI_TYPE_STRING=>dibi::FIELD_TEXT,MYSQLI_TYPE_VAR_STRING=>dibi::FIELD_TEXT,MYSQLI_TYPE_TINY_BLOB=>dibi::FIELD_BINARY,MYSQLI_TYPE_MEDIUM_BLOB=>dibi::FIELD_BINARY,MYSQLI_TYPE_LONG_BLOB=>dibi::FIELD_BINARY,MYSQLI_TYPE_BLOB=>dibi::FIELD_BINARY,);$count=mysqli_num_fields($this->resource);$this->meta=$this->convert=array();for($index=0;$index<$count;$index++){$info=(array)mysqli_fetch_field_direct($this->resource,$index);$native=$info['native']=$info['type'];if($info['flags']&MYSQLI_AUTO_INCREMENT_FLAG)$info['type']=dibi::FIELD_COUNTER;else{$info['type']=isset($types[$native])?$types[$native]:dibi::FIELD_UNKNOWN;}$this->meta[$info['name']]=$info;$this->convert[$info['name']]=$info['type'];}}}
if(!defined('DIBI'))die();class DibiOdbcDriver extends DibiDriver{private$conn,$affectedRows=FALSE;public$formats=array('NULL'=>"NULL",'TRUE'=>"-1",'FALSE'=>"0",'date'=>"#m/d/Y#",'datetime'=>"#m/d/Y H:i:s#",);public static function connect($config){if(!extension_loaded('odbc'))return new DibiException("PHP extension 'odbc' is not loaded");if(!isset($config['username']))return new DibiException("Username must be specified");if(!isset($config['password']))return new DibiException("Password must be specified");if(empty($config['persistent']))$conn=@odbc_connect($config['database'],$config['username'],$config['password']);else$conn=@odbc_pconnect($config['database'],$config['username'],$config['password']);if(!is_resource($conn))return new DibiException("Connecting error",array('message'=>odbc_errormsg(),'code'=>odbc_error(),));$obj=new self($config);$obj->conn=$conn;return$obj;}public function query($sql){$this->affectedRows=FALSE;$res=@odbc_exec($this->conn,$sql);if(is_resource($res))return new DibiOdbcResult($res);if($res===FALSE)return new DibiException("Query error",$this->errorInfo($sql));$this->affectedRows=odbc_num_rows($this->conn);if($this->affectedRows<0)$this->affectedRows=FALSE;return TRUE;}public function affectedRows(){return$this->affectedRows;}public function insertId(){return FALSE;}public function begin(){return odbc_autocommit($this->conn,FALSE);}public function commit(){$ok=odbc_commit($this->conn);odbc_autocommit($this->conn,TRUE);return$ok;}public function rollback(){$ok=odbc_rollback($this->conn);odbc_autocommit($this->conn,TRUE);return$ok;}private function errorInfo($sql=NULL){return array('message'=>odbc_errormsg($this->conn),'code'=>odbc_error($this->conn),'sql'=>$sql,);}public function escape($value,$appendQuotes=FALSE){$value=str_replace("'","''",$value);return$appendQuotes?"'".$value."'":$value;}public function quoteName($value){return'['.strtr($this->applySubsts($value),array('.'=>'].[')).']';}public function getMetaData(){trigger_error('Meta is not implemented yet.',E_USER_WARNING);}}class DibiOdbcResult extends DibiResult{private$resource,$meta,$row=0;public function __construct($resource){$this->resource=$resource;}public function rowCount(){return odbc_num_rows($this->resource);}protected function doFetch(){return odbc_fetch_array($this->resource,$this->row++);}public function seek($row){$this->row=$row;}protected function free(){odbc_free_result($this->resource);}public function getFields(){if($this->meta===NULL)$this->createMeta();return array_keys($this->meta);}protected function detectTypes(){if($this->meta===NULL)$this->createMeta();}public function getMetaData($field){if($this->meta===NULL)$this->createMeta();return isset($this->meta[$field])?$this->meta[$field]:FALSE;}private function createMeta(){if($this->meta!==NULL)return$this->meta;static$types=array('CHAR'=>dibi::FIELD_TEXT,'COUNTER'=>dibi::FIELD_COUNTER,'VARCHAR'=>dibi::FIELD_TEXT,'LONGCHAR'=>dibi::FIELD_TEXT,'INTEGER'=>dibi::FIELD_INTEGER,'DATETIME'=>dibi::FIELD_DATETIME,'CURRENCY'=>dibi::FIELD_FLOAT,'BIT'=>dibi::FIELD_BOOL,'LONGBINARY'=>dibi::FIELD_BINARY,'SMALLINT'=>dibi::FIELD_INTEGER,'BYTE'=>dibi::FIELD_INTEGER,'BIGINT'=>dibi::FIELD_INTEGER,'INT'=>dibi::FIELD_INTEGER,'TINYINT'=>dibi::FIELD_INTEGER,'REAL'=>dibi::FIELD_FLOAT,'DOUBLE'=>dibi::FIELD_FLOAT,'DECIMAL'=>dibi::FIELD_FLOAT,'NUMERIC'=>dibi::FIELD_FLOAT,'MONEY'=>dibi::FIELD_FLOAT,'SMALLMONEY'=>dibi::FIELD_FLOAT,'FLOAT'=>dibi::FIELD_FLOAT,'YESNO'=>dibi::FIELD_BOOL,);$count=odbc_num_fields($this->resource);$this->meta=$this->convert=array();for($index=1;$index<=$count;$index++){$native=strtoupper(odbc_field_type($this->resource,$index));$name=odbc_field_name($this->resource,$index);$this->meta[$name]=array('type'=>isset($types[$native])?$types[$native]:dibi::FIELD_UNKNOWN,'native'=>$native,'length'=>odbc_field_len($this->resource,$index),'scale'=>odbc_field_scale($this->resource,$index),'precision'=>odbc_field_precision($this->resource,$index),);$this->convert[$name]=$this->meta[$name]['type'];}}}
if(!defined('DIBI'))die();class DibiPostgreDriver extends DibiDriver{private$conn,$affectedRows=FALSE;public$formats=array('NULL'=>"NULL",'TRUE'=>"1",'FALSE'=>"0",'date'=>"'Y-m-d'",'datetime'=>"'Y-m-d H:i:s'",);public static function connect($config){if(!extension_loaded('pgsql'))return new DibiException("PHP extension 'pgsql' is not loaded");if(empty($config['string']))return new DibiException("Connection string must be specified");if(empty($config['type']))$config['type']=NULL;$errorMsg='';if(isset($config['persistent']))$conn=@pg_connect($config['string'],$config['type']);else$conn=@pg_pconnect($config['string'],$config['type']);if(!is_resource($conn))return new DibiException("Connecting error",array('message'=>pg_last_error(),));if(!empty($config['charset'])){$succ=@pg_set_client_encoding($conn,$config['charset']);}$obj=new self($config);$obj->conn=$conn;return$obj;}public function query($sql){$this->affectedRows=FALSE;$errorMsg='';$res=@pg_query($this->conn,$sql);if(is_resource($res))return new DibiPostgreResult($res);if($res===FALSE)return new DibiException("Query error",array('message'=>pg_last_error($this->conn),'sql'=>$sql,));$this->affectedRows=pg_affected_rows($this->conn);if($this->affectedRows<0)$this->affectedRows=FALSE;return TRUE;}public function affectedRows(){return$this->affectedRows;}public function insertId(){return FALSE;}public function begin(){return pg_query($this->conn,'BEGIN');}public function commit(){return pg_query($this->conn,'COMMIT');}public function rollback(){return pg_query($this->conn,'ROLLBACK');}public function escape($value,$appendQuotes=FALSE){return$appendQuotes?"'".pg_escape_string($value)."'":pg_escape_string($value);}public function quoteName($value){return$this->applySubsts($value);}public function getMetaData(){trigger_error('Meta is not implemented yet.',E_USER_WARNING);}}class DibiPostgreResult extends DibiResult{private$resource,$meta;public function __construct($resource){$this->resource=$resource;}public function rowCount(){return pg_num_rows($this->resource);}protected function doFetch(){return pg_fetch_array($this->resource,NULL,PGSQL_ASSOC);}public function seek($row){return pg_result_seek($this->resource,$row);}protected function free(){pg_free_result($this->resource);}public function getFields(){if($this->meta===NULL)$this->createMeta();return array_keys($this->meta);}protected function detectTypes(){if($this->meta===NULL)$this->createMeta();}public function getMetaData($field){if($this->meta===NULL)$this->createMeta();return isset($this->meta[$field])?$this->meta[$field]:FALSE;}private function createMeta(){static$types=array('bool'=>dibi::FIELD_BOOL,'int2'=>dibi::FIELD_INTEGER,'int4'=>dibi::FIELD_INTEGER,'int8'=>dibi::FIELD_INTEGER,'numeric'=>dibi::FIELD_FLOAT,'float4'=>dibi::FIELD_FLOAT,'float8'=>dibi::FIELD_FLOAT,'timestamp'=>dibi::FIELD_DATETIME,'date'=>dibi::FIELD_DATE,'time'=>dibi::FIELD_DATETIME,'varchar'=>dibi::FIELD_TEXT,'bpchar'=>dibi::FIELD_TEXT,'inet'=>dibi::FIELD_TEXT,'money'=>dibi::FIELD_FLOAT,);$count=pg_num_fields($this->resource);$this->meta=$this->convert=array();for($index=0;$index<$count;$index++){$info['native']=$native=pg_field_type($this->resource,$index);$info['length']=pg_field_size($this->resource,$index);$info['table']=pg_field_table($this->resource,$index);$info['type']=isset($types[$native])?$types[$native]:dibi::FIELD_UNKNOWN;$name=pg_field_name($this->resource,$index);$this->meta[$name]=$info;$this->convert[$name]=$info['type'];}}}
if(!defined('DIBI'))die();class DibiSqliteDriver extends DibiDriver{private$conn,$insertId=FALSE,$affectedRows=FALSE;public$formats=array('NULL'=>"NULL",'TRUE'=>"1",'FALSE'=>"0",'date'=>"'Y-m-d'",'datetime'=>"'Y-m-d H:i:s'",);public static function connect($config){if(!extension_loaded('sqlite'))return new DibiException("PHP extension 'sqlite' is not loaded");if(empty($config['database']))return new DibiException("Database must be specified");if(!isset($config['mode']))$config['mode']=0666;$errorMsg='';if(empty($config['persistent']))$conn=@sqlite_open($config['database'],$config['mode'],$errorMsg);else$conn=@sqlite_popen($config['database'],$config['mode'],$errorMsg);if(!$conn)return new DibiException("Connecting error",array('message'=>$errorMsg,));$obj=new self($config);$obj->conn=$conn;return$obj;}public function query($sql){$this->insertId=$this->affectedRows=FALSE;$errorMsg='';$res=@sqlite_query($this->conn,$sql,SQLITE_ASSOC,$errorMsg);if($res===FALSE)return new DibiException("Query error",array('message'=>$errorMsg,'sql'=>$sql,));if(is_resource($res))return new DibiSqliteResult($res);$this->affectedRows=sqlite_changes($this->conn);if($this->affectedRows<0)$this->affectedRows=FALSE;$this->insertId=sqlite_last_insert_rowid($this->conn);if($this->insertId<1)$this->insertId=FALSE;return TRUE;}public function affectedRows(){return$this->affectedRows;}public function insertId(){return$this->insertId;}public function begin(){return sqlite_query($this->conn,'BEGIN');}public function commit(){return sqlite_query($this->conn,'COMMIT');}public function rollback(){return sqlite_query($this->conn,'ROLLBACK');}public function escape($value,$appendQuotes=FALSE){return$appendQuotes?"'".sqlite_escape_string($value)."'":sqlite_escape_string($value);}public function quoteName($value){return$this->applySubsts($value);}public function getMetaData(){trigger_error('Meta is not implemented yet.',E_USER_WARNING);}}class DibiSqliteResult extends DibiResult{private$resource,$meta;public function __construct($resource){$this->resource=$resource;}public function rowCount(){return sqlite_num_rows($this->resource);}protected function doFetch(){return sqlite_fetch_array($this->resource,SQLITE_ASSOC);}public function seek($row){return sqlite_seek($this->resource,$row);}protected function free(){}public function getFields(){if($this->meta===NULL)$this->createMeta();return array_keys($this->meta);}protected function detectTypes(){if($this->meta===NULL)$this->createMeta();}public function getMetaData($field){if($this->meta===NULL)$this->createMeta();return isset($this->meta[$field])?$this->meta[$field]:FALSE;}private function createMeta(){$count=sqlite_num_fields($this->resource);$this->meta=$this->convert=array();for($index=0;$index<$count;$index++){$name=sqlite_field_name($this->resource,$index);$this->meta[$name]=array('type'=>dibi::FIELD_UNKNOWN);$this->convert[$name]=dibi::FIELD_UNKNOWN;}}}?>

8
dibi/dibi.php
View File

@ -147,10 +147,12 @@ class dibi
// include dibi driver
$className = "Dibi$config[driver]Driver";
require_once dirname(__FILE__) . "/drivers/$config[driver].php";
if (!class_exists($className)) {
include_once dirname(__FILE__) . "/drivers/$config[driver].php";
if (!class_exists($className))
return new DibiException("Unable to create instance of dibi driver class '$className'.");
if (!class_exists($className))
return new DibiException("Unable to create instance of dibi driver class '$className'.");
}
// create connection object

17
examples/connect.php
View File

@ -2,7 +2,7 @@
require_once '../dibi/dibi.php';
// using DSN
// connects using DSN
$state = dibi::connect('driver=mysql&host=localhost&username=root&password=xxx&database=test&charset=utf8');
@ -25,6 +25,21 @@ dibi::connect(array(
));
*/
/* connects to SQlite
dibi::connect(array(
'driver' => 'sqlite',
'database' => 'mydb.sdb',
));
*/
/* connects to PostgreSql
dibi::connect(array(
'driver' => 'postgre',
'string' => 'host=localhost port=5432 dbname=mary',
'persistent' => TRUE,
));
*/
// check status
if (!dibi::isConnected()) {