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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
View File

@@ -131,10 +131,10 @@ class dibi
private static $connection;
/** @var array Substitutions for identifiers */
private static $substs = array();
public static $substs = array();
/** @var callback Substitution fallback */
private static $substFallBack;
public static $substFallBack;
/** @var array @see addHandler */
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 = $callback;
}
/**
* Remove substitution pair.
* @param mixed from or TRUE
@@ -623,39 +607,17 @@ class dibi
/**
* Provides substitution.
* @param string
* @return string
* Sets substitution fallback handler.
* @param callback
* @return void
*/
public static function substitute($value)
public static function setSubstFallback($callback)
{
if (strpos($value, ':') === FALSE) {
return $value;
} else {
return preg_replace_callback('#:(.*):#U', array('dibi', 'subCb'), $value);
if (!is_callable($callback)) {
throw new InvalidArgumentException("Invalid 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 $m;
}
self::$substFallBack = $callback;
}

37
dibi/libs/DibiTranslator.php
View File

@@ -123,8 +123,8 @@ final class DibiTranslator extends DibiObject
\[(.+?)\]| ## 2) [identifier]
(\')((?:\'\'|[^\'])*)\'| ## 3,4) string
(")((?:""|[^"])*)"| ## 5,6) "string"
(\'|") ## 7) lone-quote
%([a-zA-Z]{1,4})(?![a-zA-Z])|## 8) modifier
(\'|")| ## 7) lone quote
%([a-zA-Z]{1,4})(?![a-zA-Z]) ## 8) modifier
)/xs',
*/ // note: this can change $this->args & $this->cursor & ...
. preg_replace_callback('/(?=`|\[|\'|"|%)(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|%([a-zA-Z]{1,4})(?![a-zA-Z]))/s',
@@ -351,7 +351,7 @@ final class DibiTranslator extends DibiObject
return $value;
} else {
return substr($value, 0, $toSkip)
. preg_replace_callback('/(?=`|\[|\'|")(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"(\'|"))/s',
. preg_replace_callback('/(?=`|\[|\'|")(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|"))/s',
array($this, 'cb'),
substr($value, $toSkip)
);
@@ -505,8 +505,35 @@ final class DibiTranslator extends DibiObject
*/
private function delimite($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;
}
}
}