/**
* Generate the filter objects corresponding to a UQL string.
*
* @param $UQLStringInput
*
* @return Filter
*/
public function generateFilters($UQLStringInput)
{
if (empty(trim($UQLStringInput))) {
return new Filter();
}
// Get the Abstract Syntax Tree of the input from the parser
$parser = new Parser();
$AST = $parser->parse($UQLStringInput);
// Recursively translate into filters.
$filters = $this->buildFilterLevel($AST);
if ($filters instanceof FilterCondition) {
// Single filter. Wrap into dummy filter collection for consistency.
$filterDefinition = new Filter();
$filterDefinition[] = $filters;
$filters = $filterDefinition;
}
return $filters;
}
/**
* Tests the functionality of the array matcher
*/
public function testMatchArray()
{
$testArrays = ["[1, 2, 3, 4, 5]" => [1, 2, 3, 4, 5], "[1, \"abc\", 2, \"def\"]" => [1, "\"abc\"", 2, "\"def\""]];
$parser = new Parser();
foreach ($testArrays as $testArray => $expectedResult) {
$tokenStream = Lexer::lex($testArray);
$parser->setTokenStream($tokenStream);
$parser->setTokenIndex(-1);
$array = $parser->matchArray();
$this->assertNotEquals($array, false, 'Array should not be false (meaning it did interpret an array)');
$this->assertTrue($array instanceof ASTArray, 'Arrays should Parse into ASTArrays');
$this->assertCount(count($expectedResult), $array->getElements(), 'Array doesn\'t match the expected number of items');
foreach ($array->getElements() as $index => $element) {
$this->assertEquals($expectedResult[$index], $element, "Element '{$element}' on index {$index} doesn't match the expected {$expectedResult[$index]}");
}
}
}
