aviat/Query
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A little cleanup of parser and connection code

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This commit is contained in:
Timothy Warren 2014-04-02 18:53:48 -04:00
parent 57f1c38bcc
commit bccea8cd2b
3 changed files with 25 additions and 38 deletions
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24
classes/connection_manager.php
View File

@ -102,7 +102,7 @@ final class Connection_Manager {
/** /**
* Returns the connection specified by the name given * Returns the connection specified by the name given
* *
* @param mixed $name * @param string|array|object $name
* @return Query_Builder * @return Query_Builder
* @throws InvalidArgumentException * @throws InvalidArgumentException
*/ */
@ -128,11 +128,11 @@ final class Connection_Manager {
/** /**
* Parse the passed parameters and return a connection * Parse the passed parameters and return a connection
* *
* @param array|object $params * @param \ArrayObject $params
* @return Query_Builder * @return Query_Builder
* @throws BadConnectionException * @throws BadConnectionException
*/ */
public function connect($params) public function connect(\ArrayObject $params)
{ {
list($dsn, $dbtype, $params, $options) = $this->parse_params($params); list($dsn, $dbtype, $params, $options) = $this->parse_params($params);
@ -143,10 +143,6 @@ final class Connection_Manager {
? new $driver($dsn, $params->user, $params->pass, $options) ? new $driver($dsn, $params->user, $params->pass, $options)
: new $driver($dsn, '', '', $options); : new $driver($dsn, '', '', $options);
// --------------------------------------------------------------------------
// Save connection
// --------------------------------------------------------------------------
// Set the table prefix, if it exists // Set the table prefix, if it exists
if (isset($params->prefix)) if (isset($params->prefix))
{ {
@ -174,17 +170,11 @@ final class Connection_Manager {
/** /**
* Parses params into a dsn and option array * Parses params into a dsn and option array
* *
* @param ArrayObject $params * @param \ArrayObject $params
* @throws BadDBDriverException * @throws BadDBDriverException
*/ */
private function parse_params($params) private function parse_params(\ArrayObject $params)
{ {
// --------------------------------------------------------------------------
// Parse argument array / object
// --------------------------------------------------------------------------
// Convert array to object
$params = new \ArrayObject($params, \ArrayObject::STD_PROP_LIST | \ArrayObject::ARRAY_AS_PROPS);
$params->type = strtolower($params->type); $params->type = strtolower($params->type);
$dbtype = ($params->type !== 'postgresql') ? $params->type : 'pgsql'; $dbtype = ($params->type !== 'postgresql') ? $params->type : 'pgsql';
@ -214,10 +204,10 @@ final class Connection_Manager {
* Create the dsn from the db type and params * Create the dsn from the db type and params
* *
* @param string $dbtype * @param string $dbtype
* @param array|object $params * @param \ArrayObject $params
* @return string * @return string
*/ */
private function create_dsn($dbtype, $params) private function create_dsn($dbtype, \ArrayObject $params)
{ {
if ($dbtype === 'firebird') $dsn = "{$params->host}:{$params->file}"; if ($dbtype === 'firebird') $dsn = "{$params->host}:{$params->file}";
elseif ($dbtype === 'sqlite') $dsn = $params->file; elseif ($dbtype === 'sqlite') $dsn = $params->file;

35
classes/query_parser.php
View File

@ -56,27 +56,11 @@ class Query_Parser {
/** /**
* Constructor/entry point into parser * Constructor/entry point into parser
* *
* @param string $sql * @param \Query\Query_Builder $db
*/ */
public function __construct($sql = '') public function __construct(\Query\Query_Builder $db)
{ {
if (is_object($sql)) $this->db = $db;
{
$this->db = $sql;
$sql = '';
}
// Get sql clause components
preg_match_all('`'.$this->match_patterns['function'].'`', $sql, $this->matches['functions'], PREG_SET_ORDER);
preg_match_all('`'.$this->match_patterns['identifier'].'`', $sql, $this->matches['identifiers'], PREG_SET_ORDER);
preg_match_all('`'.$this->match_patterns['operator'].'`', $sql, $this->matches['operators'], PREG_SET_ORDER);
// Get everything at once for ordering
$full_pattern = '`'.$this->match_patterns['function'].'+|'.$this->match_patterns['identifier'].'|('.$this->match_patterns['operator'].')+`i';
preg_match_all($full_pattern, $sql, $this->matches['combined'], PREG_SET_ORDER);
// Go through the matches, and get the most relevant matches
$this->matches = array_map(array($this, 'filter_array'), $this->matches);
} }
// -------------------------------------------------------------------------- // --------------------------------------------------------------------------
@ -88,7 +72,18 @@ class Query_Parser {
*/ */
protected function parse_join($sql) protected function parse_join($sql)
{ {
$this->__construct($sql); // Get sql clause components
preg_match_all('`'.$this->match_patterns['function'].'`', $sql, $this->matches['functions'], PREG_SET_ORDER);
preg_match_all('`'.$this->match_patterns['identifier'].'`', $sql, $this->matches['identifiers'], PREG_SET_ORDER);
preg_match_all('`'.$this->match_patterns['operator'].'`', $sql, $this->matches['operators'], PREG_SET_ORDER);
// Get everything at once for ordering
$full_pattern = '`'.$this->match_patterns['function'].'+|'.$this->match_patterns['identifier'].'|('.$this->match_patterns['operator'].')+`i';
preg_match_all($full_pattern, $sql, $this->matches['combined'], PREG_SET_ORDER);
// Go through the matches, and get the most relevant matches
$this->matches = array_map(array($this, 'filter_array'), $this->matches);
return $this->matches; return $this->matches;
} }

2
common.php
View File

@ -91,6 +91,8 @@ function Query($params = '')
} }
elseif ( ! is_scalar($params)) elseif ( ! is_scalar($params))
{ {
$params = new ArrayObject($params, ArrayObject::STD_PROP_LIST | ArrayObject::ARRAY_AS_PROPS);
// Otherwise, return a new connection // Otherwise, return a new connection
return $cmanager->connect($params); return $cmanager->connect($params);
} }