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<?php |
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class DbSqlAware { |
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/** |
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* @var db_mysql $db |
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*/ |
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protected $db; |
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/** |
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* DbSqlAware constructor. |
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* |
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* @param db_mysql|null $db |
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*/ |
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public function __construct($db = null) { |
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$this->db = (!empty($db) && $db instanceof db_mysql) || !class_exists('classSupernova', false) ? $db : classSupernova::$db; |
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2 |
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} |
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/** |
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* @param db_mysql|null $db |
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* |
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* @return static |
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*/ |
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public static function build($db = null) { |
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return new static($db); |
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} |
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/** |
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* @return db_mysql|null |
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*/ |
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public function getDb() { |
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return $this->db; |
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} |
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/** |
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* @param db_mysql|null $db |
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*/ |
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public function setDb($db) { |
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$this->db = $db; |
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} |
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/** |
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* Just escapes string used DB string escape method - or a drop-in replacement addslashes() if not DB specified |
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* |
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* @param string $string |
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* |
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* @return mixed|string |
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*/ |
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protected function escapeString($string) { |
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return |
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method_exists($this->db, 'db_escape') |
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? $this->db->db_escape($string) |
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: addslashes($string); |
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} |
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/** |
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* Quotes string by ref as DDL ID (i.e. field or table name) - except '*' which not quoted |
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* |
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* @param string &$string |
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*/ |
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protected function quoteFieldSimpleByRef(&$string) { |
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$string = $this->escapeString($string); |
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if ((string)$string && '*' != $string) { |
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$string = '`' . $string . '`'; |
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} |
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} |
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/** |
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* Escapes field - include fully qualified field like table.field, table.* and mask '*' |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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protected function quoteField($string) { |
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// Checking if string is just a '*' - to skip some code |
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if ($string != '*') { |
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$temp = explode('.', $string); |
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array_walk($temp, array($this, 'quoteFieldSimpleByRef')); |
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$string = implode('.', $temp); |
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} |
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return $string; |
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} |
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/** |
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* Making and alias from fully qualified field name prepending with function name |
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* |
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* @param string $functionName |
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* @param string $field |
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* |
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* @return string |
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*/ |
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protected function aliasFromField($functionName, $field) { |
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$alias = strtolower($functionName); |
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// Checking if string is just a '*' - to skip some code |
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4 |
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if ($field != '*') { |
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$temp = explode('.', $field); |
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3 |
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array_walk($temp, 'DbSqlHelper::UCFirstByRef'); |
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3 |
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if (!empty($temp[1]) && $temp[1] == '*') { |
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1 |
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unset($temp[1]); |
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1 |
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} |
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$temp = implode('', $temp); |
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$alias .= ucfirst($temp); |
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3 |
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} else { |
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$alias .= 'Value'; |
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} |
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return $alias; |
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} |
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} |
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supernova-ws /
SuperNova
