public function parse(Input $input)
{
if (!$input->complete()) {
return $input->errorHere("Unable to process {$input->get()}")->addParser($this);
}
return $input->nonCapturingMatchHere()->addParser($this);
}
/**
* Parse the given input
*
* @param Input $input
*
* @return mixed result
*/
public function parse(Input $input)
{
if ($input->peek(0) === $this->char) {
$input->consume(1);
return $input->matchHere($this->char);
}
return $input->errorHere("{$this->char} was not found.")->addParser($this);
}
public function parse(Input $input)
{
if (!$input->match($this->expression, $matches)) {
return $input->errorHere("Expected regex '{$this->expression}' to match '{$input->get()}', it does not.")->addParser($this);
}
$output = $input->getAndConsume(strlen($matches[0]));
if (!$this->capturing) {
return $input->nonCapturingMatchHere($output)->addParser($this);
} else {
return $input->matchHere($output)->addParser($this);
}
}
public function parse(Input $input)
{
if ($input->complete()) {
return $input->errorHere('Not cannot be matched at end of stream.')->addParser($this);
}
// Initially no parser should match, this would be a zero width result
if ($this->matches($input)) {
return $input->errorHere("Found a match at the start of the source {$input->get()}")->addParser($this);
}
$consumed = '';
while (!$this->matches($input) && !$input->complete()) {
$consumed .= $input->peek(0);
$input->consume(1);
}
return $input->matchHere([$consumed])->addParser($this);
}
