public function prepareValue($value)
{
if (is_bool($value)) {
return $value ? 1 : 0;
} elseif (is_int($value)) {
return $value;
} elseif (is_float($value)) {
// convert the decimal separator back to english notation if changed by locale
$localeconv = localeconv();
return str_replace($localeconv['decimal_point'], '.', $value);
} elseif (is_string($value)) {
return "'" . $this->escapeString($value) . "'";
} elseif ($value === null) {
return 'NULL';
} elseif ($value instanceof SisField) {
return $value->getFullName();
} else {
Sis::error('Invalid data type!', array('value' => $value));
return false;
}
}
public function getRowOp()
{
$op = Sis::op($this::TABLE);
if ($this->id !== null) {
$op->eq($this::ID_FIELD, $this->id);
} else {
trigger_error('Cannot create row op: Object has no ID', E_USER_ERROR);
}
if ($this->customFields !== null) {
call_user_func(array($op, 'fields'), implode(', ', $this->customFields));
}
return $op;
}
public function __construct($type, $op, $params)
{
if (!self::isValid($type)) {
Sis::error('Invalid condition type!', array('type' => $type));
}
$this->type = self::resolveAliases($type);
$this->op = $op;
$this->params = $params;
// Operations starting with "field" accept an array shorthand for
// operating on multiple fields.
if (substr($this->type, 0, 6) == 'field_' && is_array($params[0])) {
$subConds = array();
foreach ($params[0] as $fieldName => $value) {
$subConds[] = new self($this->type, $op, array($fieldName, $value));
}
$this->type = 'merge_and';
$this->op = $op;
$this->params = $subConds;
// This is an optimization - we skip prepare_merge_and because
// we already know our subconditions are not registered with
// the operation object.
return;
}
// some conditions need preparation
$method = 'prepare_' . $this->type;
if (method_exists(__CLASS__, $method)) {
self::$method($this->op, $this->params);
}
}
