public function test_unpack()
{
$result = StringHelper::bracesToArray('test');
self::assertEquals(['test'], $result);
$result = StringHelper::bracesToArray('(test)');
self::assertEquals(['test'], $result);
$result = StringHelper::bracesToArray('(((test)))');
self::assertEquals(['test'], $result);
$result = StringHelper::bracesToArray('(test)(test2)');
self::assertEquals([['test'], ['test2']], $result);
$result = StringHelper::bracesToArray('(test) and (test2)');
self::assertEquals([['test'], 'and', ['test2']], $result);
$result = StringHelper::bracesToArray('test (test2)');
self::assertEquals(['test', ['test2']], $result);
$result = StringHelper::bracesToArray('(test (test2))');
self::assertEquals([['test', ['test2']]], $result);
$result = StringHelper::bracesToArray('(test) test3');
self::assertEquals([['test'], 'test3'], $result);
$result = StringHelper::bracesToArray('((test) test3)');
self::assertEquals([[['test'], 'test3']], $result);
$result = StringHelper::bracesToArray('(test) and (test3 (test5))');
self::assertEquals([['test'], 'and', ['test3', ['test5']]], $result);
$result = StringHelper::bracesToArray('(test) and ((test2) or (test3))');
self::assertEquals([['test'], 'and', [['test2'], 'or', ['test3']]], $result);
$result = StringHelper::bracesToArray('(test) and (test2) or (test3)');
self::assertEquals([['test'], 'and', ['test2'], 'or', ['test3']], $result);
$result = StringHelper::bracesToArray('(test) or (test2) and (test3)');
self::assertEquals([['test'], 'or', ['test2'], 'and', ['test3']], $result);
}
/**
* @param array|string $tokens
* @return array
* @throws InvalidCriteriaException
*/
public function createGraph($tokens)
{
if (is_string($tokens)) {
$tokens = $this->tokenize(StringHelper::bracesToArray($tokens));
}
$logical = self::T_AND;
$result = [];
foreach ($tokens as $part) {
$type = key($part);
if ($type === self::T_AND || $type === self::T_OR) {
if ($logical !== $type && count($result) > 1) {
throw new InvalidCriteriaException('can not use AND and OR in the same part of condition without braces');
}
$logical = $type;
}
if ($type === self::T_EXPR) {
$result[] = $part;
}
if ($type === self::T_COMPOUND) {
$result[] = $this->parseCompoundToken($part);
}
}
return [$logical => $result];
}
