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Code Issues Releases Wiki Activity

update to 0.6

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This commit is contained in:
David Grudl
2006-06-07 15:50:32 +00:00
parent 8361028ff3
commit 0951ea574c
13 changed files with 246 additions and 273 deletions
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101
dibi/libs/date.type.demo.php
View File

@@ -1,101 +0,0 @@
<?php
/**
* dibi - Database Abstraction Layer according to dgx
* --------------------------------------------------
*
* This source file is subject to the GNU GPL license.
*
* @author David Grudl aka -dgx- <dave@dgx.cz>
* @link http://texy.info/dibi/
* @copyright Copyright (c) 2005-2006 David Grudl
* @license GNU GENERAL PUBLIC LICENSE
* @package dibi
* @category Database
* @version $Revision$ $Date$
*/
// security - include dibi.php, not this file
if (!defined('DIBI')) die();
// required since PHP 5.1.0
// todo:
if (function_exists('date_default_timezone_set'))
date_default_timezone_set('Europe/Prague'); // or 'GMT'
/**
* Pseudotype for UNIX timestamp representation
*/
class TDate implements IDibiVariable
{
/**
* Unix timestamp
* @var int
*/
protected $time;
public function __construct($time = NULL)
{
if ($time === NULL)
$this->time = time(); // current time
elseif (is_string($time))
$this->time = strtotime($time); // try convert to timestamp
else
$this->time = (int) $time;
}
/**
* Format for SQL
*
* @param object destination DibiDriver
* @param string optional modifier
* @return string
*/
public function toSQL($driver, $modifier = NULL)
{
return date(
$driver->formats['date'], // format according to driver's spec.
$this->time
);
}
public function getTimeStamp()
{
return $this->time;
}
}
/**
* Pseudotype for datetime representation
*/
class TDateTime extends TDate
{
public function toSQL($driver, $modifier = NULL)
{
return date(
$driver->formats['datetime'], // format according to driver's spec.
$this->time
);
}
}
?>

3
dibi/libs/exception.php
View File

@@ -58,6 +58,9 @@ class DibiException extends Exception
/**
* Checks result state
*/
function is_error($var)
{
return ($var === FALSE) || ($var instanceof Exception);

204
dibi/libs/parser.php
View File

@@ -43,133 +43,21 @@ class DibiParser
{
$sql = '';
$this->driver = $driver;
$this->modifier = 0;
$this->modifier = false;
$this->hasError = false;
$command = null;
$lastString = null;
//$lastString = null;
foreach ($args as $index => $arg) {
$sql .= ' '; // always add simple space
// array processing (with or without modifier)
if (is_array($arg)) {
// determine type: set | values | list
if ($this->modifier) {
$type = $this->modifier;
$this->modifier = false;
} else {
// autodetect
if (is_int(key($arg)))
$type = 'L'; // LIST
else {
if (!$command)
$command = strtoupper(substr(ltrim($args[0]), 0, 6));
$type = $command == 'UPDATE' ? 'S' : 'V'; // SET | VALUES
}
}
// build array
$vx = $kx = array();
switch ($type) {
case 'S': // SET
foreach ($arg as $k => $v)
$vx[] = $this->driver->quoteName($k) . '=' . $this->formatValue($v);
$sql .= implode(', ', $vx);
break;
case 'V': // VALUES
foreach ($arg as $k => $v) {
$kx[] = $this->driver->quoteName($k);
$vx[] = $this->formatValue($v);
}
$sql .= '(' . implode(', ', $kx) . ') VALUES (' . implode(', ', $vx) . ')';
break;
case 'L': // LIST
foreach ($arg as $k => $v)
$vx[] = $this->formatValue($v);
$sql .= implode(', ', $vx);
break;
case 'N': // NAMES
foreach ($arg as $v)
$vx[] = $this->driver->quoteName($v);
$sql .= implode(', ', $vx);
break;
default:
$this->hasError = true;
$sql .= "**Unknown modifier %$type**";
}
continue;
}
// after-modifier procession
if ($this->modifier) {
if ($arg instanceof IDibiVariable) {
$sql .= $arg->toSql($this->driver, $this->modifier);
$this->modifier = false;
continue;
}
if (!is_scalar($arg) && !is_null($arg)) { // array is already processed
$this->hasError = true;
$this->modifier = false;
$sql .= '**Unexpected '.gettype($arg).'**';
continue;
}
switch ($this->modifier) {
case "s": // string
$sql .= $this->driver->escape($arg, TRUE);
break;
case 'T': // date
$sql .= date($this->driver->formats['date'], is_string($arg) ? strtotime($arg) : $arg);
break;
case 't': // datetime
$sql .= date($this->driver->formats['datetime'], is_string($arg) ? strtotime($arg) : $arg);
break;
case 'b': // boolean
$sql .= $arg ? $this->driver->formats['TRUE'] : $this->driver->formats['FALSE'];
break;
case 'i':
case 'u': // unsigned int
case 'd': // signed int
$sql .= (string) (int) $arg;
break;
case 'f': // float
$sql .= (string) (float) $arg; // something like -9E-005 is accepted by SQL
break;
case 'n': // identifier name
$sql .= $this->driver->quoteName($arg);
break;
default:
$this->hasError = true;
$sql .= "**Unknown modifier %$this->modifier**";
}
$this->modifier = false;
continue;
}
// simple string means SQL
if (is_string($arg)) {
if (is_string($arg) && !$this->modifier) {
// double string warning
// (problematic with dibi::queryStart & dibi::queryAdd
// if ($lastString === $index-1)
// trigger_error("Is seems there is error in SQL near '$arg'.", E_USER_WARNING);
$lastString = $index;
// $lastString = $index;
// speed-up - is regexp required?
$toSkip = strcspn($arg, '`[\'"%');
@@ -196,10 +84,17 @@ class DibiParser
continue;
}
// array processing without modifier - autoselect between SET or VALUES
if (is_array($arg) && !$this->modifier && is_string(key($arg))) {
if (!$command)
$command = strtoupper(substr(ltrim($args[0]), 0, 6));
$this->modifier = ($command == 'INSERT' || $command == 'REPLAC') ? 'V' : 'S';
}
// default processing
$sql .= $this->formatValue($arg);
$sql .= $this->formatValue($arg, $this->modifier);
$this->modifier = false;
} // for
@@ -214,8 +109,77 @@ class DibiParser
private function formatValue($value)
private function formatValue($value, $modifier)
{
// array processing (with or without modifier)
if (is_array($value)) {
$vx = $kx = array();
switch ($modifier) {
case 'S': // SET
foreach ($value as $k => $v) {
list($k, $mod) = explode('%', $k.'%', 3); // split modifier
$vx[] = $this->driver->quoteName($k) . '=' . $this->formatValue($v, $mod);
}
return implode(', ', $vx);
case 'V': // VALUES
foreach ($value as $k => $v) {
list($k, $mod) = explode('%', $k.'%', 3); // split modifier
$kx[] = $this->driver->quoteName($k);
$vx[] = $this->formatValue($v, $mod);
}
return '(' . implode(', ', $kx) . ') VALUES (' . implode(', ', $vx) . ')';
default: // LIST
foreach ($value as $v)
$vx[] = $this->formatValue($v, $modifier);
return implode(', ', $vx);
}
}
// with modifier procession
if ($modifier) {
if ($value instanceof IDibiVariable)
return $value->toSql($this->driver, $this->modifier);
if (!is_scalar($value) && !is_null($value)) { // array is already processed
$this->hasError = true;
return '**Unexpected '.gettype($value).'**';
}
switch ($modifier) {
case "s": // string
return $this->driver->escape($value, TRUE);
case 'b': // boolean
return $value ? $this->driver->formats['TRUE'] : $this->driver->formats['FALSE'];
case 'i':
case 'u': // unsigned int
case 'd': // signed int
return (string) (int) $value;
case 'f': // float
return (string) (float) $value; // something like -9E-005 is accepted by SQL
case 'D': // date
return date($this->driver->formats['date'], is_string($value) ? strtotime($value) : $value);
case 'T': // datetime
return date($this->driver->formats['datetime'], is_string($value) ? strtotime($value) : $value);
case 'n': // identifier name
return $this->driver->quoteName($value);
case 'p': // preserve as SQL
return (string) $value;
default:
$this->hasError = true;
return "**Unknown modifier %$modifier**";
}
}
// without modifier procession
if (is_string($value))
return $this->driver->escape($value, TRUE);
@@ -232,7 +196,7 @@ class DibiParser
return $value->toSql($this->driver);
$this->hasError = true;
return '**Unsupported type '.gettype($value).'**';
return '**Unexpected '.gettype($value).'**';
}

4
dibi/libs/resultset.php
View File

@@ -284,10 +284,10 @@ abstract class DibiResult implements IteratorAggregate, Countable
}
if ($type == self::FIELD_DATE)
return new TDate($value); // !!! experimental
return strtotime($value); // !!! not good
if ($type == self::FIELD_DATETIME)
return new TDateTime($value); // !!! experimental
return strtotime($value); // !!! not good
return $value;
}