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<?php
namespace Graze\CsvToken\Tokeniser;
use RuntimeException;
class State
{
const S_ANY = 0;
const S_IN_QUOTE = 1;
const S_IN_ESCAPE = 2;
const S_IN_QUOTE_ESCAPE = 4;
const S_ANY_TOKENS = Token::T_ANY & ~Token::T_DOUBLE_QUOTE;
const S_IN_QUOTE_TOKENS = Token::T_CONTENT | Token::T_QUOTE | Token::T_DOUBLE_QUOTE | Token::T_ESCAPE;
const S_IN_ESCAPE_TOKENS = Token::T_CONTENT;
const S_IN_QUOTE_ESCAPE_TOKENS = Token::T_CONTENT;
/** @var array */
private $types;
/** @var State[] */
private $states;
/**
* State constructor.
*
* @param array $types
*/
public function __construct(array $types)
$this->types = $types;
}
* @param int $token
* @return State|null
public function getNextState($token)
foreach ($this->states as $mask => $state) {
if ($mask & $token) {
return $state;
throw new RuntimeException("The supplied token: {$token} has no target state");
* @param int $tokenMask
* @param State $target
public function addStateTarget($tokenMask, State $target)
$this->states[$tokenMask] = $target;
* @param int $position
* @param string $buffer
* @return Token
public function match($position, $buffer)
foreach ($this->types as $search => $tokenType) {
if (substr($buffer, 0, strlen($search)) == $search) {
return new Token($tokenType, $search, $position);
return new Token(Token::T_CONTENT, $buffer[0], $position);
graze /
csv-token
