/**
* Guess value for @link using the type of the property (@var)
* - property is a Date_Time (or a child class) : @link will be 'DateTime'
* - property is a single object : @link will be 'Object'
* - property is a collection object with '@var Object[] All' : @link will be 'All'
* - property is a collection object with '@var Object[] Collection' : @link will be 'Collection'
* - property is a collection object with '@var Object[] Map' : @link will be 'Map'
* - property is a collection object without telling anything :
* - @link will be 'Collection' if the object is a Component
* - @link will be 'Map' if the object is not a Component
*
* @param $property Reflection_Property
* @return string returned guessed value for @link
*/
private function guessValue(Reflection_Property $property)
{
if ($property->getType()->isMultiple()) {
/** @var $var_annotation Var_Annotation */
$value = lParse($property->getAnnotation('var'), SP);
if (empty($value)) {
$value = isA($property->getType()->getElementTypeAsString(), Component::class) ? self::COLLECTION : self::MAP;
}
} else {
$value = isA($property->getType()->asString(), Date_Time::class) ? self::DATETIME : self::OBJECT;
}
return $value;
}
/**
* @param $property Reflection_Property
* @param $value mixed
* @param $preprop string
*/
public function __construct(Reflection_Property $property = null, $value = null, $preprop = null)
{
if (isset($property)) {
$name = $property->pathAsField();
if (strpos($name, '[')) {
$preprop2 = lLastParse($name, '[');
$preprop = $preprop ? $preprop . '[' . lParse($preprop2, '[') . '[' . rParse($preprop2, '[') : $preprop2;
$name = lParse(rLastParse($name, '['), ']');
}
parent::__construct($name, $property->getType(), $value, $preprop);
$this->null = $property->getAnnotation('null')->value;
$this->property = $property;
$this->readonly = $property->getListAnnotation('user')->has(User_Annotation::READONLY);
} else {
parent::__construct(null, null, $value, $preprop);
}
}
/**
* @param $loop Loop
* @param $content string
* @param $j integer
* @return integer the length of the end tag var name
*/
protected function parseLoopVarName(Loop $loop, &$content, &$j)
{
$search_var_name = $loop->var_name;
if (substr($loop->var_name, -1) == '>') {
$end_last = true;
$loop->var_name = substr($loop->var_name, 0, -1);
}
while (($k = strpos($loop->var_name, '{')) !== false) {
$l = strpos($loop->var_name, '}');
$this->parseVar($loop->var_name, $k + 1, $l);
}
$loop->force_equality = $loop->var_name[0] === '=';
if ($loop->force_equality) {
$loop->var_name = substr($loop->var_name, 1);
}
$loop->force_condition = substr($loop->var_name, -1) === '?';
if ($loop->force_condition) {
$loop->var_name = substr($loop->var_name, 0, -1);
}
if (strpos($loop->var_name, ':')) {
list($loop->var_name, $loop->has_expr) = explode(':', $loop->var_name);
$search_var_name = lParse($search_var_name, ':');
if (($sep = strpos($loop->has_expr, '-')) !== false) {
$loop->from = substr($loop->has_expr, 0, $sep);
$loop->to = substr($loop->has_expr, $sep + 1);
} else {
$loop->from = $loop->to = $loop->has_expr;
}
$loop->to = $loop->to == '' ? null : $loop->to;
} else {
$expr = null;
$loop->from = 0;
$loop->to = null;
}
$length2 = strlen($search_var_name);
$j = isset($end_last) ? strrpos($content, '<!--' . $search_var_name . '-->', $j + 3) : strpos($content, '<!--' . $search_var_name . '-->', $j + 3);
return $length2;
}
/**
* @return string
*/
protected static function customId()
{
return lParse(strtolower(Namespaces::shortClassName(get_called_class())), '_settings');
}
/**
* Returns the middle part of the string, between $begin_sep and $end_sep
*
* If separators are arrays, it will search the first separator, then the next one, etc.
*
* @example echo mParse('He eats, drinks and then sleep', [', ', SP], ' then ')
* Will result in 'and'
* It looks what is after ', ' and then what is after the next space
* The returned value stops before ' then '
* @param $str string
* @param $begin_sep string|string[]
* @param $end_sep string|string[]
* @param $cnt integer
* @return string
*/
function mParse($str, $begin_sep, $end_sep, $cnt = 1)
{
// if $begin_sep is an array, rParse each $begin_sep element
if (is_array($begin_sep)) {
$sep = array_pop($begin_sep);
foreach ($begin_sep as $beg) {
$str = rParse($str, $beg, $cnt);
$cnt = 1;
}
$begin_sep = $sep;
}
// if $end_sep is an array, lParse each $end_sep element, starting from the last one
if (is_array($end_sep)) {
$end_sep = array_reverse($end_sep);
$sep = array_pop($end_sep);
foreach ($end_sep as $end) {
$str = lParse($str, $end);
}
$end_sep = $sep;
}
return lParse(rParse($str, $begin_sep, $cnt), $end_sep);
}
/**
* Replace all references to $replaced by references to $replacement into the database.
* Already loaded objects will not be changed.
*
* @param $replaced object
* @param $replacement object
* @return boolean true if replacement has been done, false if something went wrong
*/
public function replaceReferences($replaced, $replacement)
{
$table_name = $this->storeNameOf(get_class($replaced));
$replaced_id = $this->getObjectIdentifier($replaced);
$replacement_id = $this->getObjectIdentifier($replacement);
if ($replaced_id && $replacement_id && $table_name) {
foreach (Foreign_Key::buildReferences($this->connection, $table_name) as $foreign_key) {
$foreign_table_name = lParse($foreign_key->getConstraint(), DOT);
$foreign_field_name = $foreign_key->getFields()[0];
$query = 'UPDATE ' . BQ . $foreign_table_name . BQ . LF . 'SET ' . BQ . $foreign_field_name . BQ . ' = ' . $replacement_id . LF . 'WHERE ' . BQ . $foreign_field_name . BQ . ' = ' . $replaced_id;
$this->query($query);
if ($this->connection->last_errno) {
$error = true;
}
}
return isset($error) ? false : true;
}
return false;
}
/**
* @param $builder Object_Builder_Array
* @param $null_if_empty boolean
* @param $object object
* @param $property_name string
* @param $value mixed
* @return boolean
*/
private function buildSubObjectMultiple($object, $property_name, $value, $null_if_empty, Object_Builder_Array $builder)
{
$is_null = $null_if_empty;
if (is_array($value)) {
// keys are numeric : multiple values case
foreach ($value as $key => $element) {
if (is_numeric($number = lParse($key, DOT, 1, false))) {
$values[$number][rParse($key, DOT)] = $element;
} else {
unset($values);
break;
}
}
// single value case
if (!isset($values)) {
$values = [$value];
}
// build values
foreach ($values as $element) {
$element = $builder->build($element, null, $null_if_empty);
if (isset($element)) {
// call property getter if exist (do not remove this !)
$object->{$property_name};
array_push($object->{$property_name}, $element);
$is_null = false;
}
}
}
return $is_null;
}
/**
* @param $query string
* @return string[]|null
*/
private function guessContext($query)
{
$context = [];
// first clause between `...` is probably the name of the table
$table_name = mParse($query, BQ, BQ);
if ($table_name) {
$class_name = Dao::classNameOf($table_name);
if ($class_name) {
$context[] = $class_name;
}
}
// every JOIN `...` may be the name of a table
$joins = explode('JOIN ' . BQ, $query);
array_shift($joins);
foreach ($joins as $join) {
$table_name = lParse($join, BQ);
if ($table_name) {
$class_name = Dao::classNameOf($table_name);
if ($class_name) {
$context[] = $class_name;
}
}
}
return $context ? $context : null;
}
