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- substitution is performed by DibiTranslator

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- fixed bug in DibiTranslator
This commit is contained in:
David Grudl
2009-02-22 18:35:18 +00:00
parent 0b0596dbeb
commit a26744388d
2 changed files with 41 additions and 52 deletions
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56
dibi/dibi.php
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@@ -131,10 +131,10 @@ class dibi
private static $connection; private static $connection;
/** @var array Substitutions for identifiers */ /** @var array Substitutions for identifiers */
private static $substs = array(); public static $substs = array();
/** @var callback Substitution fallback */ /** @var callback Substitution fallback */
private static $substFallBack; public static $substFallBack;
/** @var array @see addHandler */ /** @var array @see addHandler */
private static $handlers = array(); private static $handlers = array();
@@ -590,22 +590,6 @@ class dibi
/**
* Sets substitution fallback handler.
* @param callback
* @return void
*/
public static function setSubstFallback($callback)
{
if (!is_callable($callback)) {
throw new InvalidArgumentException("Invalid callback.");
}
self::$substFallBack = $callback;
}
/** /**
* Remove substitution pair. * Remove substitution pair.
* @param mixed from or TRUE * @param mixed from or TRUE
@@ -623,39 +607,17 @@ class dibi
/** /**
* Provides substitution. * Sets substitution fallback handler.
* @param string * @param callback
* @return string * @return void
*/ */
public static function substitute($value) public static function setSubstFallback($callback)
{ {
if (strpos($value, ':') === FALSE) { if (!is_callable($callback)) {
return $value; throw new InvalidArgumentException("Invalid callback.");
} else {
return preg_replace_callback('#:(.*):#U', array('dibi', 'subCb'), $value);
}
} }
self::$substFallBack = $callback;
/**
* Substitution callback.
* @param array
* @return string
*/
private static function subCb($m)
{
$m = $m[1];
if (isset(self::$substs[$m])) {
return self::$substs[$m];
} elseif (self::$substFallBack) {
return self::$substs[$m] = call_user_func(self::$substFallBack, $m);
} else {
return $m;
}
} }

37
dibi/libs/DibiTranslator.php
View File

@@ -123,8 +123,8 @@ final class DibiTranslator extends DibiObject
\[(.+?)\]| ## 2) [identifier] \[(.+?)\]| ## 2) [identifier]
(\')((?:\'\'|[^\'])*)\'| ## 3,4) string (\')((?:\'\'|[^\'])*)\'| ## 3,4) string
(")((?:""|[^"])*)"| ## 5,6) "string" (")((?:""|[^"])*)"| ## 5,6) "string"
(\'|") ## 7) lone-quote (\'|")| ## 7) lone quote
%([a-zA-Z]{1,4})(?![a-zA-Z])|## 8) modifier %([a-zA-Z]{1,4})(?![a-zA-Z]) ## 8) modifier
)/xs', )/xs',
*/ // note: this can change $this->args & $this->cursor & ... */ // note: this can change $this->args & $this->cursor & ...
. preg_replace_callback('/(?=`|\[|\'|"|%)(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|%([a-zA-Z]{1,4})(?![a-zA-Z]))/s', . preg_replace_callback('/(?=`|\[|\'|"|%)(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|%([a-zA-Z]{1,4})(?![a-zA-Z]))/s',
@@ -351,7 +351,7 @@ final class DibiTranslator extends DibiObject
return $value; return $value;
} else { } else {
return substr($value, 0, $toSkip) return substr($value, 0, $toSkip)
. preg_replace_callback('/(?=`|\[|\'|")(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"(\'|"))/s', . preg_replace_callback('/(?=`|\[|\'|")(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|"))/s',
array($this, 'cb'), array($this, 'cb'),
substr($value, $toSkip) substr($value, $toSkip)
); );
@@ -505,8 +505,35 @@ final class DibiTranslator extends DibiObject
*/ */
private function delimite($value) private function delimite($value)
{ {
return $value === '*' ? '*' : $this->driver->escape(dibi::substitute($value), dibi::IDENTIFIER); if ($value === '*') {
return '*';
} elseif (strpos($value, ':') !== FALSE) { // provide substitution
$value = preg_replace_callback('#:(.*):#U', array(__CLASS__, 'subCb'), $value);
}
return $this->driver->escape($value, dibi::IDENTIFIER);
} }
} // class DibiTranslator
/**
* Substitution callback.
* @param array
* @return string
*/
private static function subCb($m)
{
$m = $m[1];
if (isset(dibi::$substs[$m])) {
return dibi::$substs[$m];
} elseif (dibi::$substFallBack) {
return dibi::$substs[$m] = call_user_func(dibi::$substFallBack, $m);
} else {
return $m;
}
}
}