|
final public static binaryOperation ( |
||
| $leftOperand | ||
| $operator | string | |
| $rightOperand | ||
| return | ||
public function testParameterCollectionCanEvaluateAlteredParameterVariableExpressions()
{
$this->collection->addExpression(O\Expression::binaryOperation(O\Expression::variable(O\Expression::value('var-foo')), O\Operators\Binary::CONCATENATION, O\Expression::value('--concat')), ParameterHasher::valueType(), new Functions\ElementProjection('', null, null, ['param' => 'var-foo'], [], []));
$this->assertResolvesTo(['abcde--concat'], ['param' => 'abcde']);
$this->assertResolvesTo(['1--concat'], ['param' => 1]);
$this->assertResolvesTo(['--concat'], ['param' => null]);
}
/**
* Converts the assignment expression with compound assignment operators
* to the equivalent assignment and binary operator combination
*
* <code>
* $variable += 5
* </code>
* becomes
* <code>
* $variable = $variable + 5
* </code>
*
* @return AssignmentExpression
*/
public function toBinaryOperationEquivalent()
{
$binaryOperator = Assignment::toBinaryOperator($this->operator);
if ($binaryOperator === null) {
return $this;
}
return $this->update($this->assignTo, Assignment::EQUAL, Expression::binaryOperation($this->assignTo, $binaryOperator, $this->assignmentValue));
}
public function walkVariable(VariableExpression $expression)
{
$name = $expression->getName();
if ($name instanceof O\ValueExpression) {
return $expression->update(O\Expression::value($this->prefix . $name->getValue()));
}
return $expression->update(O\Expression::binaryOperation(O\Expression::value($this->prefix), O\Operators\Binary::CONCATENATION, $name));
}
public function testAssignmentToBinaryOperatorEquivalent()
{
foreach ([O\Operators\Assignment::EQUAL, O\Operators\Assignment::EQUAL_REFERENCE] as $operatorThatShouldNotChange) {
$assignment = O\Expression::assign(O\Expression::variable(O\Expression::value('foo')), $operatorThatShouldNotChange, O\Expression::variable(O\Expression::value('bar')));
$this->assertSame($assignment, $assignment->toBinaryOperationEquivalent());
}
$assignment = O\Expression::assign(O\Expression::variable(O\Expression::value('foo')), O\Operators\Assignment::ADDITION, O\Expression::variable(O\Expression::value('bar')));
$this->assertEquals(O\Expression::assign(O\Expression::variable(O\Expression::value('foo')), O\Operators\Assignment::EQUAL, O\Expression::binaryOperation(O\Expression::variable(O\Expression::value('foo')), O\Operators\Binary::ADDITION, O\Expression::variable(O\Expression::value('bar')))), $assignment->toBinaryOperationEquivalent());
}
private function parseOperatorNode(Node\Expr $node)
{
$nodeType = str_replace('Expr_', '', $node->getType());
switch (true) {
case isset(self::$assignOperatorsMap[$nodeType]):
return Expression::assign($this->parseNode($node->var), self::$assignOperatorsMap[$nodeType], $this->parseNode($node->expr));
case $node instanceof Node\Expr\Instanceof_:
return Expression::binaryOperation($this->parseNode($node->expr), Operators\Binary::IS_INSTANCE_OF, $this->parseNameNode($node->class));
case isset(self::$binaryOperatorsMap[$nodeType]):
return Expression::binaryOperation($this->parseNode($node->left), self::$binaryOperatorsMap[$nodeType], $this->parseNode($node->right));
case isset(self::$unaryOperatorsMap[$nodeType]):
return Expression::unaryOperation(self::$unaryOperatorsMap[$nodeType], $this->parseNode(isset($node->expr) ? $node->expr : $node->var));
case isset(self::$castOperatorMap[$nodeType]):
return Expression::cast(self::$castOperatorMap[$nodeType], $this->parseNode($node->expr));
default:
return null;
}
}
/**
* @dataProvider parsers
*/
public function testBinaryOperator()
{
$this->assertParsedAs([PowerOperators::TYPE, 'binaryOperator'], [O\Expression::binaryOperation(O\Expression::value(4), O\Operators\Binary::POWER, O\Expression::value(5))]);
}
public function expressions()
{
return [[O\Expression::arrayExpression([])], [O\Expression::arrayItem(null, O\Expression::value(0), false)], [O\Expression::assign(O\Expression::value(0), O\Operators\Assignment::EQUAL, O\Expression::value(0))], [O\Expression::binaryOperation(O\Expression::value(0), O\Operators\Binary::ADDITION, O\Expression::value(0))], [O\Expression::unaryOperation(O\Operators\Unary::PLUS, O\Expression::value(0))], [O\Expression::cast(O\Operators\Cast::STRING, O\Expression::value(0))], [O\Expression::closure(false, false, [], [], [])], [O\Expression::closureUsedVariable('var')], [O\Expression::emptyExpression(O\Expression::value(0))], [O\Expression::field(O\Expression::value(0), O\Expression::value(0))], [O\Expression::functionCall(O\Expression::value(0))], [O\Expression::index(O\Expression::value(0), O\Expression::value(0))], [O\Expression::invocation(O\Expression::value(0))], [O\Expression::issetExpression([O\Expression::value(0)])], [O\Expression::unsetExpression([O\Expression::value(0)])], [O\Expression::methodCall(O\Expression::value(0), O\Expression::value(0))], [O\Expression::newExpression(O\Expression::value(0))], [O\Expression::parameter('')], [O\Expression::argument(O\Expression::value(0))], [O\Expression::returnExpression()], [O\Expression::staticMethodCall(O\Expression::value(0), O\Expression::value(0))], [O\Expression::staticField(O\Expression::value(0), O\Expression::value(0))], [O\Expression::ternary(O\Expression::value(0), null, O\Expression::value(0))], [O\Expression::throwExpression(O\Expression::value(0))], [O\Expression::value(0)], [O\Expression::variable(O\Expression::value(0))], [O\Expression::constant('foo')], [O\Expression::classConstant(O\Expression::value(0), 'foo')]];
}
/**
* @dataProvider parsers
*/
public function testInstanceOfBinaryOperation()
{
$this->assertParsedAs(function () {
$this instanceof \stdClass;
}, [O\Expression::binaryOperation(O\Expression::variable(O\Expression::value('this')), O\Operators\Binary::IS_INSTANCE_OF, O\Expression::value('\\stdClass'))]);
$this->assertParsedAs(function () {
$this instanceof $bar;
}, [O\Expression::binaryOperation(O\Expression::variable(O\Expression::value('this')), O\Operators\Binary::IS_INSTANCE_OF, O\Expression::variable(O\Expression::value('bar')))]);
}
/**
* @dataProvider parsers
*/
public function testThatChainedMethodCalls()
{
$this->assertReturn(function (\Pinq\ITraversable $traversable) {
return $traversable->asArray();
}, O\Expression::methodCall(O\Expression::variable(O\Expression::value('traversable')), O\Expression::value('asArray')));
$this->assertReturn(function (\Pinq\ITraversable $traversable) {
return $traversable->where(function ($i) {
return $i > 0;
})->all(function ($i) {
return $i % 2 === 0;
});
}, O\Expression::methodCall(O\Expression::methodCall(O\Expression::variable(O\Expression::value('traversable')), O\Expression::value('where'), [O\Expression::argument(O\Expression::closure(false, false, [O\Expression::parameter('i')], [], [O\Expression::returnExpression(O\Expression::binaryOperation(O\Expression::variable(O\Expression::value('i')), O\Operators\Binary::GREATER_THAN, O\Expression::value(0)))]))]), O\Expression::value('all'), [O\Expression::argument(O\Expression::closure(false, false, [O\Expression::parameter('i')], [], [O\Expression::returnExpression(O\Expression::binaryOperation(O\Expression::binaryOperation(O\Expression::variable(O\Expression::value('i')), O\Operators\Binary::MODULUS, O\Expression::value(2)), O\Operators\Binary::IDENTITY, O\Expression::value(0)))]))]));
}
protected function exampleFromDocsQuery()
{
$rowExpression = O\Expression::variable(O\Expression::value('row'));
return $this->scopeRequest([new Q\Segments\Filter(new Q\Functions\ElementProjection($this->parameter(), self::SCOPE_TYPE, self::SCOPE_NAMESPACE, [$this->parameter() => 'this'], [O\Expression::parameter('row')], [O\Expression::returnExpression(O\Expression::binaryOperation(O\Expression::index($rowExpression, O\Expression::value('age')), O\Operators\Binary::LESS_THAN_OR_EQUAL_TO, O\Expression::value(50)))])), new Q\Segments\OrderBy([new Q\Segments\Ordering($this->indexProjection('firstName'), $this->parameter()), new Q\Segments\Ordering($this->indexProjection('lastName'), $this->parameter())]), new Q\Segments\Range($this->parameter(), $this->parameter()), new Q\Segments\IndexBy($this->indexProjection('phoneNumber')), new Q\Segments\Select(new Q\Functions\ElementProjection($this->parameter(), self::SCOPE_TYPE, self::SCOPE_NAMESPACE, [$this->parameter() => 'this'], [O\Expression::parameter('row')], [O\Expression::returnExpression(O\Expression::arrayExpression([O\Expression::arrayItem(O\Expression::value('fullName'), O\Expression::binaryOperation(O\Expression::binaryOperation(O\Expression::index($rowExpression, O\Expression::value('firstName')), O\Operators\Binary::CONCATENATION, O\Expression::value(' ')), O\Operators\Binary::CONCATENATION, O\Expression::index($rowExpression, O\Expression::value('lastName')))), O\Expression::arrayItem(O\Expression::value('address'), O\Expression::index($rowExpression, O\Expression::value('address'))), O\Expression::arrayItem(O\Expression::value('dateOfBirth'), O\Expression::index($rowExpression, O\Expression::value('dateOfBirth')))]))]))]);
}
