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underQL.mini.php
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<?php
/****************************************************************************************
* Copyright (c) 2012, Abdullah E. Almehmadi - www.abdullaheid.net *
* All rights reserved. *
****************************************************************************************
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list of
conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list
of conditions and the following disclaimer in the documentation and/or other materials
provided with the distribution.
Neither the name of the underQL nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************************/
define ( 'UQL_VERSION', '1.0.0' );
define ( 'UQL_VERSION_ID', 20120512 );
//define('UQL_VERSION_CODE_NAME','Eid');
define ( 'UQL_DIR_FILTER', 'filters/' );
define ( 'UQL_DIR_FILTER_API', 'filters_api/' );
define ( 'UQL_DIR_RULE', 'rules/' );
define ( 'UQL_DIR_RULE_API', 'rules_api/' );
define ( 'UQL_DIR_MODULE', 'modules/' );
//%s represents the table name
//define ('UQL_ABSTRACT_E_OBJECT_SYNTAX','the_%s_abstract');
define ( 'UQL_FILTER_IN', 0xA );
define ( 'UQL_FILTER_OUT', 0xC );
//%s represents table name
define ( 'UQL_FILTER_OBJECT_SYNTAX', '%s_filter' );
define ( 'UQL_FILTER_FUNCTION_NAME', 'ufilter_%s' );
//define ( 'UQL_FILTER_FILE_NAME', 'ufilter_%s' );
//%s represents table name
define ( 'UQL_RULE_OBJECT_SYNTAX', '%s_rule' );
define ( 'UQL_RULE_FUNCTION_NAME', 'urule_%s' );
//define ( 'UQL_RULE_FILE_NAME', 'urule_%s' );
define ( 'UQL_RULE_SUCCESS', 0x0D );
define ( 'UQL_ENTITY_OBJECT_SYNTAX', '%s' );
// %s represents module name
define ( 'UQL_MODULE_OBJECT_SYNTAX', '%s_module' );
define ( 'UQL_MODULE_CLASS_NAME', 'umodule_%s' );
/* Database connection information */
define ( 'UQL_DB_HOST', 'localhost' );
define ( 'UQL_DB_USER', 'root' );
define ( 'UQL_DB_PASSWORD', 'root' );
define ( 'UQL_DB_NAME', 'my' );
define ( 'UQL_DB_CHARSET', 'utf8' );
define ( 'UQL_CONFIG_USE_INVOKE_CALL', true );
// to use __invoke magic method
interface IUQLModule {
public function init();
public function in(&$values,$is_insert = true);
public function out(&$path);
public function shutdown();
}
class UQLBase {
public static function underql_error($message) {
die ( '<h3><code><b style = "color:#FF0000">UnderQL Error: </b>' . $message . '</h3> <br />' );
}
public static function underql_warning($message) {
echo '<h3><code><b style = "color:#0000FF">UnderQL Warning: </b>' . $message . '</h3> <br />';
}
public function _() {
$params_count = func_num_args ();
if ($params_count < 1)
UQLBase::underql_error ( '_ method accepts one parameter at least' );
$params = func_get_args ();
$func_name = 'underql_' . $params [0];
if (! method_exists ( $this, $func_name ))
UQLBase::underql_error ( $params [0] . ' is not a valid method' );
$params = array_slice ( $params, 1 );
return call_user_func_array ( array ($this, $func_name ), $params );
}
}
class UQLModuleEngine extends UQLBase {
public static function underql_module_run_input(&$values,$is_insert = true) {
/* run modules */
if(!$values || !is_array($values) || @count($values) == 0)
return;
if(isset($GLOBALS['uql_global_loaded_modules']) &&
@count($GLOBALS['uql_global_loaded_modules']) != 0) {
foreach($GLOBALS['uql_global_loaded_modules'] as $key => $module_name) {
if(isset($GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)])
&& $GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->isActive()
&& $GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->isInput())
$GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->in($values,$is_insert);
//$this->um_values_map->underql_set_map($current_vals);
}
}
}
public static function underql_module_run_output(&$path) {
/* run modules */
if(!$path || ($path instanceof UQLQueryPath && $path->_('count') == 0))
return;
if(isset($GLOBALS['uql_global_loaded_modules']) &&
@count($GLOBALS['uql_global_loaded_modules']) != 0) {
foreach($GLOBALS['uql_global_loaded_modules'] as $key => $module_name) {
if(isset($GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)])
&& $GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->isActive()
&& $GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->isOutput()) {
$GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->out($path);
$path->_('reset');
}
}
}
}
public static function underql_module_shutdown() {
if(isset($GLOBALS['uql_global_loaded_modules']) &&
@count($GLOBALS['uql_global_loaded_modules']) != 0) {
foreach($GLOBALS['uql_global_loaded_modules'] as $key => $module_name) {
if(isset($GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]))
$GLOBALS[sprintf(UQL_MODULE_OBJECT_SYNTAX,$module_name)]->shutdown();
}
}
}
}
class UQLModule extends UQLBase {
protected $um_module_name;
protected $um_is_active;
protected $um_is_input;
protected $um_is_output;
public function __construct($module_name,$is_active) {
$this->um_module_name = $module_name;
$this->um_is_active = $is_active;
$this->um_is_input = true; // run (in) method if true
$this->um_is_output = true; // run (out) method if true
}
public function stopModule() {
$this->um_is_active = false;
}
public function restartModule() {
$this->um_is_active = true;
}
public function isActive() {
return $this->um_is_active;
}
public function useInput($use) {
$this->um_is_input = $use;
}
public function useOutput($use) {
$this->um_is_output = $use;
}
public function isInput() {
return $this->um_is_input;
}
public function isOutput() {
return $this->um_is_output;
}
public function __destruct() {
$this->um_module_name = null;
$this->um_is_active = false;
$this->um_is_input = false;
$this->um_is_output = false;
}
}
class UQLConnection extends UQLBase {
private $um_connection_handle;
private $um_database_host;
private $um_database_user_name;
private $um_database_password;
private $um_database_name;
private $um_operations_charset;
public function __construct($host, $database_name, $user = 'root', $password = '', $charset = 'utf8') {
$this->um_database_host = $host;
$this->um_database_name = $database_name;
$this->um_database_user_name = $user;
$this->um_database_password = $password;
$this->um_operations_charset = $charset;
$this->um_connection_handle = null;
$this->underql_start_connection ();
}
public function underql_start_connection() {
$this->um_connection_handle = mysql_connect ( $this->um_database_host, $this->um_database_user_name, $this->um_database_password );
if (! $this->um_connection_handle) {
UQLBase::underql_error ( 'Unable to connect' );
return false;
}
$this->underql_set_database_name ( $this->um_database_name );
$charset_query = sprintf ( "SET NAMES '%s'", $this->um_operations_charset );
mysql_query ( $charset_query );
return $this->um_connection_handle;
}
public function underql_restart_connection() {
$this->underql_close_connection ();
$this->underql_start_connection ();
}
public function underql_get_connection_handle() {
return $this->um_connection_handle;
}
public function underql_set_database_host($host) {
$this->um_database_host = $host;
}
public function underql_get_database_host() {
return $this->um_database_host;
}
public function underql_set_database_name($db_name) {
$this->um_database_name = $db_name;
$result = mysql_select_db ( $this->um_database_name );
if (! $result) {
$this->underql_close_connection ();
$this->underql_error ( 'Unable to select database' );
return false;
}
return true;
}
public function underql_get_database_name() {
return $this->um_database_name;
}
public function underql_set_database_user_name($user) {
$this->um_database_user_name = $user;
}
public function underql_get_database_user_name() {
return $this->um_database_user_name;
}
public function underql_set_database_password($password) {
$this->um_database_password = $password;
}
public function underql_get_database_password() {
return $this->um_database_password;
}
public function underql_set_database_charset($charset, $without_restart = false) {
/* $without_restart : if true, run a query to change charset without need to restarting the connection*/
$this->um_operations_charset = $charset;
if ($without_restart) {
$charset_query = sprintf ( "SET NAMES '%s'", $this->um_operations_charset );
mysql_query ( $charset_query );
}
}
public function underql_get_database_charset() {
return $this->um_operations_charset;
}
public function underql_close_connection() {
if ($this->um_connection_handle)
mysql_close ( $this->um_connection_handle );
$this->um_connection_handle = false;
}
public function __destruct() {
$this->um_database_host = null;
$this->um_database_name = null;
$this->um_database_user_name = null;
$this->um_database_password = null;
$this->um_operations_charset = null;
$this->um_connection_handle = null;
}
}
class UQLMap extends UQLBase {
private $um_map_list;
private $um_elements_count;
public function __construct() {
$this->um_map_list = array ();
$this->um_elements_count = 0;
}
public function underql_add_element($key, $value) {
if ($this->underql_find_element ( $key ) == null)
$this->um_elements_count ++;
$this->um_map_list [$key] = $value;
}
public function underql_find_element($key) {
if ($this->underql_is_element_exist ( $key ))
return $this->um_map_list [$key];
return null;
}
public function underql_is_element_exist($key) {
if ($this->um_elements_count <= 0)
return false;
if (@array_key_exists ( $key, $this->um_map_list ))
return true;
return false;
}
public function underql_get_count() {
return count ( $this->um_map_list );
}
public function underql_remove_element($key) {
if ($this->underql_is_element_exist ( $key )) {
unset ( $this->um_map_list [$key] );
$this->um_elements_count --;
}
}
public function underql_is_empty() {
return $this->um_elements_count == 0;
}
public function underql_map_callback($callback) {
if (! $this->underql_is_empty ())
return array_map ( $callback, $this->map_list );
}
public function underql_get_map() {
return $this->um_map_list;
}
public function underql_set_map($the_map) {
if(is_array($the_map))
$this->um_map_list = $the_map;
}
public function __destruct() {
$this->um_map_list = null;
$this->um_elements_count = 0;
}
}
class UQLAbstractEntity extends UQLBase {
private $um_entity_name;
private $um_fields;
private $um_fields_count;
public function __construct($entity_name, &$database_handle) {
$this->um_entity_name = null;
$this->um_fields = null;
$this->um_fields_count = 0;
$this->underql_set_entity_name ( $entity_name, $database_handle );
}
public function underql_set_entity_name($entity_name, &$database_handle) {
if (($database_handle instanceof UQLConnection)) {
$this->um_entity_name = $entity_name;
$string_query = sprintf ( "SHOW COLUMNS FROM `%s`", $this->um_entity_name );
$query_result = mysql_query ( $string_query );
if ($query_result) {
$this->um_fields_count = mysql_num_rows ( $query_result );
@mysql_free_result ( $query_result );
$fields_list = mysql_list_fields ( $database_handle->underql_get_database_name (), $this->um_entity_name );
$this->um_fields = array ();
$i = 0;
while ( $i < $this->um_fields_count ) {
$field = mysql_fetch_field ( $fields_list );
$this->um_fields [$field->name] = $field;
$i++;
}
@mysql_free_result ( $fields_list );
} else {
UQLBase::underql_error( mysql_error() );
}
}
}
public function underql_get_entity_name() {
return $this->um_entity_name;
}
public function underql_is_field_exist($name) {
return (($this->um_fields != null) && (array_key_exists ( $name, $this->um_fields )));
}
public function underql_get_field_object($name) {
if ($this->underql_is_field_exist ( $name ))
return $this->um_fields [$name];
return null;
}
public function underql_get_all_fields() {
return $this->um_fields;
}
public function underql_get_fields_count() {
return $this->um_fields_count;
}
public function __destruct() {
$this->um_entity_name = null;
$this->um_fields = null;
$this->um_fields_count = 0;
}
}
class UQLFilter extends UQLBase {
private $um_entity_name;
private $um_filters_map;
public function __construct($entity_name) {
$this->um_entity_name = $entity_name;
$this->um_filters_map = new UQLMap ();
}
public function __call($function_name, $parameters) {
$local_params_count = count ( $parameters );
if ($local_params_count < 1 /*filter_name [AT LEAST]*/)
UQLBase::underql_error ( $function_name . ' filter accepts one parameter at lest' );
if ($local_params_count == 1)
$this->underql_add_filter ( $function_name, array ($parameters [0], 'inout' ) );
else
$this->underql_add_filter ( $function_name, $parameters );
return $this;
}
protected function underql_add_filter($field, $filter) {
if (! $this->um_filters_map->underql_is_element_exist ( $field ))
$this->um_filters_map->underql_add_element ( $field, new UQLMap () );
$local_filter = $this->um_filters_map->underql_find_element ( $field );
$local_filter->underql_add_element ( $local_filter->underql_get_count (), array ('filter' => $filter, 'is_active' => true ) );
$this->um_filters_map->underql_add_element ( $field, $local_filter );
}
protected function underql_set_filter_activation($field_name, $filter_name, $activation) {
$local_filter = $this->um_filters_map->underql_find_element ( $field_name );
if (! $local_filter)
UQLBase::underql_error ( 'You can not stop a filter for unknown field (' . $field_name . ')' );
for($i = 0; $i < $local_filter->underql_get_count (); $i ++) {
$target_filter = $local_filter->underql_find_element ( $i );
if (strcmp ( $target_filter ['filter'] [0], $filter_name ) == 0) {
$target_filter ['is_active'] = $activation;
$local_filter->underql_add_element ( $i, array ('filter' => $target_filter ['filter'], 'is_active' => $activation ) );
$this->um_filters_map->underql_add_element ( $field_name, $local_filter );
}
}
}
public function underql_start_filters(/*$field_name,$filter_name*/) {
$params_count = func_num_args ();
if ($params_count < 2)
UQLBase::underql_error ( 'start_filters accepts two parameters at least' );
$filters_counts = $params_count - 1; // remove field name
$parameters = func_get_args ();
if ($filters_counts == 1) {
$this->underql_set_filter_activation ( $parameters [0], $parameters [1], true );
return;
} else {
for($i = 0; $i < $filters_counts - 1; $i ++)
$this->underql_set_filter_activation ( $parameters [0], $parameters [$i + 1], true );
}
}
public function underql_stop_filters(/*$field_name,$filter_name*/) {
$params_count = func_num_args ();
if ($params_count < 2)
UQLBase::error ( 'stop_filters accepts two parameters at least' );
$filters_counts = $params_count - 1; // remove field name
$parameters = func_get_args ();
if ($filters_counts == 1) {
$this->underql_set_filter_activation ( $parameters [0], $parameters [1], false );
return;
} else {
for($i = 0; $i < $filters_counts - 1; $i ++)
$this->underql_set_filter_activation ( $parameters [0], $parameters [$i + 1], false );
}
}
public function underql_get_filters_by_field_name($field_name) {
return $this->um_filters_map->underql_find_element ( $field_name );
}
public function underql_get_filters() {
return $this->um_filters_map;
}
public function underql_get_entity_name() {
return $this->um_entity_name;
}
public static function underql_find_filter_object($entity) {
$filter_object_name = sprintf ( UQL_FILTER_OBJECT_SYNTAX, $entity );
if (isset ( $GLOBALS [$filter_object_name] ))
$filter_object = $GLOBALS [$filter_object_name];
else
$filter_object = null;
return $filter_object;
}
public function __destruct() {
$this->um_entity_name = null;
$this->um_filters_map = null;
}
}
class UQLFilterEngine extends UQLBase {
private $um_filter_object;
private $um_values_map;
//current inserted | updated $key => $value pairs
private $um_in_out_flag;
// specify if the engine for input or output
public function __construct(&$filter_object, $in_out_flag) {
$this->um_filter_object = $filter_object;
$this->um_values_map = null;
$this->um_in_out_flag = $in_out_flag;
}
public function underql_set_values_map(&$values_map) {
$this->um_values_map = $values_map;
}
public function underql_apply_filter($field_name, $value) {
if ($this->um_filter_object != null)
$filters = $this->um_filter_object->underql_get_filters_by_field_name ( $field_name );
else
return $value;
if ($filters == null)
return $value;
$tmp_value = $value;
foreach ( $filters->underql_get_map () as $filter_id => $filter_value ) {
$filter_name = $filter_value ['filter'] [0];
$filter_flag = $filter_value ['filter'] [1];
// echo $filter_flag;
if (strcmp ( strtolower ( $filter_flag ), 'in' ) == 0)
$filter_flag = UQL_FILTER_IN;
else if (strcmp ( strtolower ( $filter_flag ), 'out' ) == 0)
$filter_flag = UQL_FILTER_OUT;
else
$filter_flag = UQL_FILTER_IN | UQL_FILTER_OUT;
if ((! $filter_value ['is_active']) || (($filter_flag != $this->um_in_out_flag) &&($filter_flag != (UQL_FILTER_IN | UQL_FILTER_OUT))))
continue;
$include_filter_api = 'include_filters';
$include_filter_api ( $filter_name );
$filter_api_function = sprintf ( UQL_FILTER_FUNCTION_NAME, $filter_name );
if (! function_exists ( $filter_api_function ))
die ( $filter_name . ' is not a valid filter' );
if (@count ( $filter_value ['filter'] ) == 2) // the filter has no parameter(s)
$tmp_value = $filter_api_function ( $field_name, $tmp_value, $filter_flag );
else {
$params = array_slice ( $filter_value ['filter'], 2 );
$tmp_value = $filter_api_function ( $field_name, $tmp_value, $filter_flag, $params );
}
}
return $tmp_value;
}
public function underql_run_engine() {
if (! $this->um_values_map || $this->um_values_map->underql_get_count () == 0)
return null;
foreach ( $this->um_values_map->underql_get_map () as $name => $value ) {
$this->um_values_map->underql_add_element ( $name, $this->underql_apply_filter ( $name, $value ) );
}
return $this->um_values_map;
}
public function __destruct() {
$this->um_values_map = null;
$this->um_filter_object = null;
}
}
class UQLRule extends UQLBase {
private $um_entity_name;
private $um_alises_map;
private $um_rules_map;
public function __construct($entity_name) {
$this->um_entity_name = $entity_name;
$this->um_alises_map = new UQLMap ();
$this->um_rules_map = new UQLMap ();
}
public function __call($function_name, $parameters) {
$local_params_count = count ( $parameters );
if ($local_params_count == 0)
return;
$this->underql_add_rule ( $function_name, $parameters );
return $this;
}
protected function underql_add_rule($field, $rule) {
if (! $this->um_rules_map->underql_is_element_exist ( $field ))
$this->um_rules_map->underql_add_element ( $field, new UQLMap () );
$local_rule = $this->um_rules_map->underql_find_element ( $field );
$local_rule->underql_add_element ( $local_rule->underql_get_count (), array ('rule' => $rule, 'is_active' => true ) );
$this->um_rules_map->underql_add_element ( $field, $local_rule );
}
protected function underql_set_rule_activation($field_name, $rule_name, $activation) {
$local_rule = $this->um_rules_map->underql_find_element ( $field_name );
if (! $local_rule)
UQLBase::underql_error ( 'You can not stop a rule for unknown field (' . $field_name . ')' );
for($i = 0; $i < $local_rule->underql_get_count (); $i ++) {
$target_rule = $local_rule->underql_find_element ( $i );
if (strcmp ( $target_rule ['rule'] [0], $rule_name ) == 0) {
$target_rule ['is_active'] = $activation;
$local_rule->underql_add_element ( $i, array ('rule' => $target_rule ['rule'], 'is_active' => $activation ) );
$this->um_rules_map->underql_add_element ( $field_name, $local_rule );
}
}
}
public function underql_start_rules(/*$field_name,$rule_name*/) {
$params_count = func_num_args ();
if ($params_count < 2)
UQLBase::underql_error ( 'start_rules accepts two parameters at least' );
$rules_counts = $params_count - 1;
// remove field name
$parameters = func_get_args ();
if ($rules_counts == 1) {
$this->underql_set_rule_activation ( $parameters [0], $parameters [1], true );
return;
} else {
for($i = 0; $i < $rules_counts - 1; $i ++)
$this->underql_set_rule_activation ( $parameters [0], $parameters [$i + 1], true );
}
}
public function underql_stop_rules(/*$field_name,$rule_name*/) {
$params_count = func_num_args ();
if ($params_count < 2)
UQLBase::underql_error ( 'stop_rules accepts two parameters at least' );
$rules_counts = $params_count - 1;
$parameters = func_get_args ();
if ($rules_counts == 1) {
$this->underql_set_rule_activation ( $parameters [0], $parameters [1], false );
return;
} else {
for($i = 0; $i < $rules_counts - 1; $i ++)
$this->underql_set_rule_activation ( $parameters [0], $parameters [$i + 1], false );
}
}
public function underql_get_rules_by_field_name($field_name) {
return $this->um_rules_map->underql_find_element ( $field_name );
}
public function underql_add_alias($key, $value) {
$this->um_alises_map->underql_add_element ( $key, $value );
return $this;
}
public function underql_get_alias($key) {
return $this->um_alises_map->underql_find_element ( $key );
}
public function underql_get_rules() {
return $this->um_alises_map;
}
public function underql_get_entity_name() {
return $this->um_entity_name;
}
public function underql_get_aliases() {
return $this->um_alises_map;
}
public static function underql_find_rule_object($entity) {
$rule_object_name = sprintf ( UQL_RULE_OBJECT_SYNTAX, $entity );
if (isset ( $GLOBALS [$rule_object_name] ))
$rule_object = $GLOBALS [$rule_object_name];
else
$rule_object = null;
return $rule_object;
}
public function __destruct() {
$this->um_entity_name = null;
$this->um_rules_map = null;
$this->um_alises_map = null;
}
}
class UQLRuleMessagesHandler extends UQLBase {
private $um_messages;
public function __construct(&$the_msgs_list) {
if (! $the_msgs_list)
$this->um_messages = array ();
else
$this->um_messages = $the_msgs_list;
}
public function in($field_name) {
return isset ( $this->um_messages [$field_name] );
}
public function at($field_name, $rule_name) {
return isset ( $this->um_messages [$field_name] [$rule_name] ) ;
}
public function get($field_name, $rule_name) {
return $this->um_messages [$field_name] [$rule_name];
}
public function __destruct() {
$this->um_messages = null;
}
}
class UQLRuleEngine extends UQLBase {
private $um_rule_object;
private $um_values_map;
//current inserted | updated $key => $value pairs
private $um_false_rule_flag;
// true if there is at least one rule failed.
private $um_fail_rules_list;
// list of error messages about each field that fail in one or more rules
public function __construct(&$rule_object, &$values_map) {
$this->um_rule_object = $rule_object;
$this->um_values_map = $values_map;
$this->um_false_rule_flag = false;
$this->um_fail_rules_list = new UQLMap ();
}
protected function underql_apply_rule($field_name, $value) {
$rules = $this->um_rule_object->underql_get_rules_by_field_name ( $field_name );
$the_results = array ();
if ($rules == null)
return $the_results;
foreach ( $rules->underql_get_map () as $rule_id => $rule_value ) {
if (! $rule_value ['is_active'])
continue;
$rule_name = $rule_value ['rule'] [0];
$include_rule_api = 'include_rules';
$include_rule_api ( $rule_name );
$rule_api_function = sprintf ( UQL_RULE_FUNCTION_NAME, $rule_name );
if (! function_exists ( $rule_api_function ))
$this->underql_error ( $rule_name . ' is not a valid rule' );
$alias = $this->um_rule_object->underql_get_alias ( $field_name );
if (@count ( $rule_value ['rule'] ) == 1) // the rule has no parameter(s)
$result = $rule_api_function ( $field_name, $value, $alias );
else {
$params = array_alice ( $rule_value ['rule'] );
// remove rule name
$result = $rule_api_function ( $field_name, $value, $alias, $params );
}
if ($result != UQL_RULE_SUCCESS) {
$the_results [$rule_name] = $result;
// message
$this->um_false_rule_flag = true;
} else
$the_results [$rule_name] = true;//$result;
// OK
}
return $the_results;
}
public function underql_are_rules_passed() {
return $this->um_false_rule_flag == false;
}
public function underql_run_engine() {
if (! $this->um_values_map || $this->um_values_map->underql_get_count () == 0)
return true;
$result = true;
foreach ( $this->um_values_map->underql_get_map () as $name => $value ) {
$result = $this->underql_apply_rule ( $name, $value );
foreach($result as $key => $value){
if ($value != true /*!= UQL_RULE_SUCCESS*/)
$this->um_fail_rules_list->underql_add_element ( $name, $result );
}
}
if ($this->underql_are_rules_passed ())
return true;
$the_map = $this->um_fail_rules_list->underql_get_map ();
return new UQLRuleMessagesHandler ( $the_map );
}
public function __destruct() {
$this->um_values_map = null;
$this->um_rule_object = null;
}
}
class UQLQuery extends UQLBase {
private $um_database_handle;
private $um_query_result;
private $um_current_row_object;
private $um_current_query_fields;
public function __construct(&$database_handle) {
$this->um_database_handle = (($database_handle instanceof UQLConnection) ? $database_handle : null);
$this->um_query_result = null;
$this->um_current_row_object = null;
$this->um_current_query_fields = array ();
}
public function underql_set_database_handle($database_handle) {
$this->underql_database_handle ( ($database_handle instanceof UQLConnection) ? $database_handle : null );
}
public function underql_get_database_handle() {
return $this->um_database_handle;
}
public function underql_execute_query($query) {
if ($this->um_database_handle instanceof UQLConnection) {
$this->um_query_result = mysql_query ( $query /*,$this -> database_handle*/);
$this->underql_is_there_any_error ();
if (! $this->um_query_result)
return false;
return true;
}
return false;
}
public function underql_get_current_query_fields() {
if (! $this->um_query_result)
return null;
$local_fields_count = @mysql_num_fields ( $this->um_query_result );
if ($local_fields_count == 0)
return null;
for($local_i = 0; $local_i < $local_fields_count; $local_i ++)
$this->um_current_query_fields [$local_i] = mysql_field_name ( $this->um_query_result, $local_i );
return $this->um_current_query_fields;
}
public function underql_fetch_row() {
if ($this->um_query_result) {
$this->um_current_row_object = mysql_fetch_object ( $this->um_query_result );
return $this->um_current_row_object;
}
return false;
}
public function underql_reset_result() {
if ($this->um_query_result)
return mysql_data_seek ( $this->um_query_result, 0 );
return false;
}