public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies, Evaluate\Parameters $params)
{
//load value
if (!isset($params->{'value'})) {
$chunk->setError('Value parameter required');
}
$value = $params->{'value'};
//load select info
$selectInfo = $context->get('__selectInfo');
//load key
$key = NULL;
if (isset($params->{'key'})) {
$key = $params->{'key'};
} elseif ($selectInfo != NULL) {
$key = $selectInfo->key;
} else {
$chunk->setError('Must be in select or have key parameter');
}
if ($bodies->block === null) {
$bodies->block = new \Dust\Ast\Body(0);
}
//check
if ($this->isValid($key, $value)) {
if ($selectInfo != NULL) {
$selectInfo->selectComparisonSatisfied = true;
}
return $chunk->render($bodies->block, $context);
} elseif (isset($bodies['else'])) {
return $chunk->render($bodies['else'], $context);
} else {
return $chunk;
}
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies, Evaluate\Parameters $params)
{
$selectInfo = $context->get('__selectInfo');
if ($selectInfo != NULL) {
$selectInfo->selectComparisonSatisfied = true;
}
return $chunk->render($bodies->block, $context);
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies, Evaluate\Parameters $params)
{
//evaluate key here
if (!isset($params->{'key'})) {
$chunk->setError('Key parameter required');
}
$key = $params->{'key'};
//just eval body with some special state
return $chunk->render($bodies->block, $context->pushState(new Evaluate\State((object) ['__selectInfo' => (object) ['selectComparisonSatisfied' => false, 'key' => $key]])));
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies)
{
$iterationCount = $context->get('$iter');
if ($iterationCount === NULL) {
$chunk->setError('First must be inside an array');
}
$len = $context->get('$len');
if ($iterationCount == 0) {
return $chunk->render($bodies->block, $context);
} else {
return $chunk;
}
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies)
{
$selectInfo = $context->get('__selectInfo');
if ($selectInfo == NULL) {
$chunk->setError('Default must be inside select');
}
//check
if (!$selectInfo->selectComparisonSatisfied) {
return $chunk->render($bodies->block, $context);
} else {
return $chunk;
}
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies)
{
//scary and dumb! won't include in default...
$cond = $context->get('cond');
if ($cond === NULL) {
$chunk->setError('Unable to find cond for if');
}
if (eval('return ' . $cond . ';')) {
return $chunk->render($bodies->block, $context);
} elseif (isset($bodies['else'])) {
return $chunk->render($bodies['else'], $context);
} else {
return $chunk;
}
}
public function __invoke(Evaluate\Chunk $chunk, Evaluate\Context $context, Evaluate\Bodies $bodies)
{
$result = $context->get('key');
if ($result === NULL) {
$chunk->setError('Key required');
}
$method = $context->get('method');
if ($method === NULL) {
$chunk->setError('Method required');
}
$operand = $context->get('operand');
switch ($method) {
case 'add':
$result += $operand;
break;
case 'subtract':
$result -= $operand;
break;
case 'multiply':
$result *= $operand;
break;
case 'divide':
$result /= $operand;
break;
case 'mod':
$result %= $operand;
break;
case 'abs':
$result = abs($result);
break;
case 'floor':
$result = floor($result);
break;
case 'ceil':
$result = ceil($result);
break;
default:
$chunk->setError('Unknown method: ' . $method);
}
//no bodies means just write
if ($bodies == NULL || $bodies->block == NULL) {
return $chunk->write($result);
} else {
//just eval body with some special state
return $chunk->render($bodies->block, $context->pushState(new Evaluate\State((object) ['__selectInfo' => (object) ['selectComparisonSatisfied' => false, 'key' => $result]])));
}
}
public function evaluateParameters(array $params, Context $ctx)
{
$ret = [];
foreach ($params as $value) {
if ($value instanceof Ast\NumericParameter) {
if (strpos($value->value, '.') === false) {
$ret[$value->key] = intval($value->value);
} else {
$ret[$value->key] = floatval($value->value);
}
} elseif ($value instanceof Ast\IdentifierParameter) {
$ret[$value->key] = $ctx->resolve($value->value);
} else {
//we just set this as the actual AST since it is resolved where it's emitted
$ret[$value->key] = $value->value;
}
}
return $ret;
}