TokenStream
class TokenStream
CSS selector token stream.
This component is a port of the Python cssselect library, which is copyright Ian Bicking, see https://github.com/SimonSapin/cssselect.
Methods
| $this | push(Token $token) Pushes a token. | |
| $this | freeze() Freezes stream. | |
| Token | getNext() Returns next token. | |
| Token | getPeek() Returns peeked token. | |
| Token[] | getUsed() Returns used tokens. | |
| string | getNextIdentifier() Returns nex identifier token. | |
| null|string | getNextIdentifierOrStar() Returns nex identifier or star delimiter token. | |
| skipWhitespace() Skips next whitespace if any. |
Details
$this push(Token $token)
Pushes a token.
Parameters
| Token | $token |
Return Value
| $this |
$this freeze()
Freezes stream.
Return Value
| $this |
Token getNext()
Returns next token.
Return Value
| Token |
Exceptions
| InternalErrorException | If there is no more token |
Token getPeek()
Returns peeked token.
Return Value
| Token |
Token[] getUsed()
Returns used tokens.
Return Value
| Token[] |
string getNextIdentifier()
Returns nex identifier token.
Return Value
| string | The identifier token value |
Exceptions
| SyntaxErrorException | If next token is not an identifier |
null|string getNextIdentifierOrStar()
Returns nex identifier or star delimiter token.
Return Value
| null|string | The identifier token value or null if star found |
Exceptions
| SyntaxErrorException | If next token is not an identifier or a star delimiter |
skipWhitespace()
Skips next whitespace if any.
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/4.0/Symfony/Component/CssSelector/Parser/TokenStream.html