public function testSliceException()
{
$exception = null;
$array = array(0, 1, 2, 3);
try {
ArraySlice::slice($array, 1, 4, 0);
} catch (\Exception $e) {
$exception = $e;
}
$this->assertEquals("Step cannot be 0", $exception->getMessage());
}
protected function opChildSelector(&$jsonObject, $contents, &$result, $createInexistent = false)
{
if (is_array($jsonObject)) {
$match = array();
$contentsLen = strlen($contents);
if ($contents === self::TOK_ALL) {
$this->hasDiverged = true;
foreach ($jsonObject as $key => $item) {
$result[] =& $jsonObject[$key];
}
} else {
if (preg_match(self::RE_CHILD_NAME_LIST, $contents, $match)) {
$names = array_map(function ($x) {
return trim($x, " \t\n\r\v'\"");
}, explode(self::TOK_COMA, $contents));
if (count($names) > 1) {
$this->hasDiverged = true;
}
$names = array_filter($names, function ($x) use($createInexistent, $jsonObject) {
return $createInexistent || array_key_exists($x, $jsonObject);
});
foreach ($names as $name) {
if (!array_key_exists($name, $jsonObject)) {
$jsonObject[$name] = array();
}
$result[] =& $jsonObject[$name];
}
} else {
if (preg_match(self::RE_INDEX_LIST, $contents)) {
$index = array_map(function ($x) use($jsonObject) {
$i = intval(trim($x));
if ($i < 0) {
$n = count($jsonObject);
$i = $i % $n;
if ($i < 0) {
$i += $n;
}
}
return $i;
}, explode(self::TOK_COMA, $contents));
if (count($index) > 1) {
$this->hasDiverged = true;
}
$index = array_filter($index, function ($x) use($createInexistent, $jsonObject) {
return $createInexistent || array_key_exists($x, $jsonObject);
});
foreach ($index as $i) {
if (!array_key_exists($i, $jsonObject)) {
$jsonObject[$i] = array();
}
$result[] =& $jsonObject[$i];
}
} else {
if (preg_match(self::RE_ARRAY_INTERVAL, $contents, $match)) {
$this->hasDiverged = true;
$begin = null;
$step = null;
$end = null;
// end($match) has the matched group with the interval
$numbers = explode(self::TOK_COLON, end($match));
// $numbers has the different numbers of the interval
// depending on if there are 2 (begin:end) or 3 (begin:end:step)
// numbers $begin, $step, $end are reassigned
if (count($numbers) === 3) {
$step = $numbers[2] !== '' ? intval($numbers[2]) : $step;
}
$end = $numbers[1] !== '' ? intval($numbers[1]) : $end;
$begin = $numbers[0] !== '' ? intval($numbers[0]) : $begin;
$slice = ArraySlice::slice($jsonObject, $begin, $end, $step, true);
foreach ($slice as $i => $x) {
if ($x !== null) {
$result[] =& $slice[$i];
}
}
} else {
if ($contents[0] === self::TOK_BOOL_EXPR && $contents[1] === self::TOK_EXPRESSION_BEGIN && $contents[$contentsLen - 1] === self::TOK_EXPRESSION_END) {
$this->hasDiverged = true;
$subexpr = substr($contents, 2, $contentsLen - 3);
foreach ($jsonObject as &$child) {
if ($this->booleanExpression($child, $subexpr)) {
$result[] =& $child;
}
}
} else {
throw new InvalidJsonPathException($contents);
}
}
}
}
}
return true;
}
return false;
}