/**
* @param ParserState $state
* @return ParseResult
*/
public function parse(ParserState $state)
{
$characters = $state->getCharacters();
$keyName = '';
while ($this->canParseKey($characters)) {
$keyName .= array_shift($characters);
}
$this->checkForBadlyFormedKey($keyName);
return new ParseResult(new ParserState($characters, $state->getBraceCount(), false, true), new Key($keyName));
}
private function parseState(ParserState $state)
{
if (count($state->getCharacters()) === 0) {
return $state;
}
foreach ($this->parserChain as $parser) {
if ($parser->canParse($state)) {
$result = $parser->parse($state);
if (null !== ($element = $result->getElement())) {
$this->tokens[] = $result->getElement();
}
return $this->parseState($result->getState());
}
}
return $state;
}
/**
* @param ParserState $state
* @return ParseResult
*/
public function parse(ParserState $state)
{
$parsingKey = $state->isParsingKey();
if ($state->getHeadCharacter() === Tokens::NEW_LINE) {
$parsingKey = true;
}
return new ParseResult(new ParserState(array_slice($state->getCharacters(), 1), $state->getBraceCount(), $state->isParsingString(), $parsingKey), null);
}
/**
* @param ParserState $state
* @return ParseResult
*/
public function parse(ParserState $state)
{
return new ParseResult(new ParserState(array_slice($state->getCharacters(), 1), $state->getBraceCount()), null);
}
/**
* @param ParserState $state
* @return bool
*/
private function canStartGatheringValue(ParserState $state)
{
return !in_array($state->getHeadCharacter(), $this->illegalCharacters);
}