/**
* 解析ORM的字段配置
*
* @param $class_name
*/
public static function config($class_name)
{
# 获取当前对象所有变量
$config = array();
$class_vars = get_class_vars($class_name);
foreach ($class_vars as $key => $value) {
if ($key[0] == '_') {
continue;
}
if (true === $value) {
$field_config = array('field_name' => $key, 'is_virtual' => false);
if ($key == 'id') {
# 对于id=true的字段，默认为主键
if (isset(OOP_ORM_Parse::$PK[$class_name])) {
OOP_ORM_Parse::$PK[$class_name] = (array) OOP_ORM_Parse::$PK[$class_name];
OOP_ORM_Parse::$PK[$class_name][] = $key;
} else {
OOP_ORM_Parse::$PK[$class_name] = $key;
}
$field_config['is_pk'] = true;
$field_config['is_readonly'] = true;
}
} elseif (null === $value) {
$field_config = array('field_name' => $key, 'is_virtual' => false);
} elseif (is_string($value)) {
$field_config = array();
if (false !== strpos($value, '[') && preg_match('#^([a-z0-9_]+)\\[(.*)\\]$#i', $value, $m)) {
# 支持 test[abc][def] 格式
$field_config['is_virtual'] = true;
$field_config['parent_field'] = explode('][', $m[2]);
array_unshift($field_config['parent_field'], $m[1]);
} elseif (false !== strpos($value, '.')) {
$field_config['is_virtual'] = true;
$field_config['parent_field'] = explode('.', $value);
} else {
$field_config = array('field_name' => $value);
if ($value == $key) {
$field_config['is_virtual'] = false;
} else {
$field_config['is_virtual'] = true;
}
}
} elseif (is_array($value)) {
$field_config = $value;
if (isset($field_config['is_readonly'])) {
$field_config['is_readonly'] = (bool) $field_config['is_readonly'];
}
if (isset($field_config['is_pk']) && true === $field_config['is_pk'] || isset($field_config['is_id_field']) && true === $field_config['is_id_field']) {
# 主键字段
if (isset(OOP_ORM_Parse::$PK[$class_name])) {
OOP_ORM_Parse::$PK[$class_name] = (array) OOP_ORM_Parse::$PK[$class_name];
OOP_ORM_Parse::$PK[$class_name][] = $key;
} else {
OOP_ORM_Parse::$PK[$class_name] = $key;
}
}
if (isset($field_config['orm'])) {
OOP_ORM_Parse::_parse_orm($key, $field_config);
} elseif (isset($field_config['data'])) {
OOP_ORM_Parse::_parse_data($key, $field_config);
} elseif (isset($field_config['object'])) {
OOP_ORM_Parse::_parse_object($key, $field_config);
} elseif (isset($field_config['format'])) {
$field_config['format'] = (array) $field_config['format'];
}
} else {
continue;
}
# 记录虚拟字段
if ($field_config['is_virtual']) {
OOP_ORM_Parse::$VIRTUAL_FIELD[$class_name][$key] = $key;
}
if (isset($field_config['parent_field']) && $field_config['parent_field']) {
# 记录子字段
OOP_ORM_Parse::$SUB_FIELD[$class_name][$key] = $key;
}
$config[$key] = $field_config;
}
OOP_ORM_Parse::$CONFIG[$class_name] = $config;
}
