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implemented escapeLike() and modifiers %~like, %like~, %~like~

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This commit is contained in:
David Grudl
2010-08-25 18:45:48 +02:00
parent 46a3b8a42c
commit b8e518f44b
13 changed files with 168 additions and 2 deletions
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13
dibi/drivers/firebird.php
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@@ -278,6 +278,19 @@ class DibiFirebirdDriver extends DibiObject implements IDibiDriver, IDibiResultD
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
throw new NotImplementedException;
}
/**
* Decodes data from result set.
* @param string value

14
dibi/drivers/mssql.php
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@@ -230,6 +230,20 @@ class DibiMsSqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
$value = strtr($value, array("'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]'));
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
}
/**
* Decodes data from result set.
* @param string value

14
dibi/drivers/mssql2005.php
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@@ -232,6 +232,20 @@ class DibiMsSql2005Driver extends DibiObject implements IDibiDriver, IDibiResult
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
$value = strtr($value, array("'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]'));
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
}
/**
* Decodes data from result set.
* @param string value

14
dibi/drivers/mysql.php
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@@ -311,6 +311,20 @@ class DibiMySqlDriver extends DibiObject implements IDibiDriver, IDibiResultDriv
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
$value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\n\r\\'%_");
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
}
/**
* Decodes data from result set.
* @param string value

14
dibi/drivers/mysqli.php
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@@ -307,6 +307,20 @@ class DibiMySqliDriver extends DibiObject implements IDibiDriver, IDibiResultDri
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
$value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\n\r\\'%_");
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
}
/**
* Decodes data from result set.
* @param string value

14
dibi/drivers/odbc.php
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@@ -248,6 +248,20 @@ class DibiOdbcDriver extends DibiObject implements IDibiDriver, IDibiResultDrive
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
$value = strtr($value, array("'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]'));
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
}
/**
* Decodes data from result set.
* @param string value

13
dibi/drivers/oracle.php
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@@ -246,6 +246,19 @@ class DibiOracleDriver extends DibiObject implements IDibiDriver, IDibiResultDri
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
throw new NotImplementedException;
}
/**
* Decodes data from result set.
* @param string value

13
dibi/drivers/pdo.php
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@@ -281,6 +281,19 @@ class DibiPdoDriver extends DibiObject implements IDibiDriver, IDibiResultDriver
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
throw new NotImplementedException;
}
/**
* Decodes data from result set.
* @param string value

13
dibi/drivers/postgre.php
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@@ -289,6 +289,19 @@ class DibiPostgreDriver extends DibiObject implements IDibiDriver, IDibiResultDr
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
throw new NotImplementedException;
}
/**
* Decodes data from result set.
* @param string value

13
dibi/drivers/sqlite.php
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@@ -255,6 +255,19 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver, IDibiResultDri
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
throw new NotSupportedException;
}
/**
* Decodes data from result set.
* @param string value

14
dibi/drivers/sqlite3.php
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@@ -247,6 +247,20 @@ class DibiSqlite3Driver extends DibiObject implements IDibiDriver, IDibiResultDr
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
public function escapeLike($value, $pos)
{
$value = addcslashes($this->connection->escapeString($value), '%_\\');
return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'") . " ESCAPE '\\'";
}
/**
* Decodes data from result set.
* @param string value

13
dibi/libs/DibiTranslator.php
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@@ -114,11 +114,11 @@ final class DibiTranslator extends DibiObject
(")((?:""|[^"])*)"| ## 5,6) "string"
(\'|")| ## 7) lone quote
:(\S*?:)([a-zA-Z0-9._]?)| ## 8,9) :substitution:
%([a-zA-Z]{1,4})(?![a-zA-Z])|## 10) modifier
%([a-zA-Z~][a-zA-Z0-9~]{0,5})|## 10) modifier
(\?) ## 11) placeholder
)/xs',
*/ // note: this can change $this->args & $this->cursor & ...
. preg_replace_callback('/(?=[`[\'":%?])(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|:(\S*?:)([a-zA-Z0-9._]?)|%([a-zA-Z]{1,4})(?![a-zA-Z])|(\?))/s',
. preg_replace_callback('/(?=[`[\'":%?])(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|:(\S*?:)([a-zA-Z0-9._]?)|%([a-zA-Z~][a-zA-Z0-9~]{0,5})|(\?))/s',
array($this, 'cb'),
substr($arg, $toSkip)
);
@@ -387,6 +387,15 @@ final class DibiTranslator extends DibiObject
case 'SQL': // preserve as real SQL (TODO: rename to %sql)
return (string) $value;
case 'like~': // LIKE string%
return $this->driver->escapeLike($value, 1);
case '~like': // LIKE %string
return $this->driver->escapeLike($value, -1);
case '~like~': // LIKE %string%
return $this->driver->escapeLike($value, 0);
case 'and':
case 'or':
case 'a':

8
dibi/libs/interfaces.php
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@@ -166,6 +166,14 @@ interface IDibiDriver
*/
function escape($value, $type);
/**
* Encodes string for use in a LIKE statement.
* @param string
* @param int
* @return string
*/
function escapeLike($value, $pos);
/**
* Injects LIMIT/OFFSET to the SQL query.
* @param string &$sql The SQL query that will be modified.