function test_init()
{
$record = new Dataface_Record('Profiles', array('id' => 3));
$this->assertEquals(array('id' => 3), $record->vals(array('id')));
$this->assertEquals(array('id' => 3), $record->values(array('id')));
$this->assertEquals(array('id' => 3), $record->getValues(array('id')));
$table =& $record->table();
$keys = array_keys($table->fields());
$expected = array();
foreach ($keys as $key) {
$expected[$key] = null;
}
$expected['id'] = 3;
$this->assertEquals($expected, $record->vals());
}
function evaluate($expr, $fieldname, Dataface_Record $record)
{
// Check the field type first. If this is a numeric field
// we evaluate with math
// If it is a string, we evaluate with string functions
// Chop the leading '='
$expr = substr($expr, 1);
$table = $record->table();
if ($table->isInt($fieldname) or $table->isFloat($fieldname)) {
// This field is a numeric field so we treat it like
// a numeric operation
$oldval = $record->val($fieldname);
if (!$oldval) {
$oldval = 0;
}
$expr = preg_replace('/\\$\\$/', $oldval, $expr);
if (preg_match('/^[\\+\\-\\*\\/]/', $expr)) {
// If expression begins with an operation, we apply
// the old value as the first operand of this
// operation.
$expr = $oldval . $expr;
}
if (!preg_match('/^[0-9\\.\\*\\+\\/\\-\\^\\(\\) ]+$/', $expr)) {
throw new Exception("Invalid arithmetic expression.");
}
@eval('$expr=' . $expr . ';');
return $expr;
} else {
if ($table->isDate($fieldname)) {
// This field is a date field so we treat it like a
// date operation
$oldtime = strtotime($record->strval($fieldname));
return date($expr, $oldtime);
} else {
// We assume it is a string
$oldval = $record->val($fieldname);
$expr = preg_replace('/\\$\\$/', $oldval, $expr);
return $expr;
}
}
}
