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SimpleBlock.php
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SimpleBlock.php
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<?php
/**
* @file
* @license https://opensource.org/licenses/Apache-2.0 Apache-2.0
*/
namespace Wikimedia\CSS\Objects;
use InvalidArgumentException;
use Wikimedia\CSS\Util;
/**
* Represent a CSS simple block
*/
class SimpleBlock extends ComponentValue {
/** @var string */
protected $startTokenType;
/** @var string */
protected $endTokenType;
/** @var ComponentValueList */
protected $value;
/**
* @param Token $token Associated token
*/
public function __construct( Token $token ) {
$this->endTokenType = static::matchingDelimiter( $token->type() );
if ( $this->endTokenType === null ) {
throw new InvalidArgumentException(
'A SimpleBlock is delimited by either {}, [], or ().'
);
}
[ $this->line, $this->pos ] = $token->getPosition();
$this->startTokenType = $token->type();
$this->value = new ComponentValueList();
}
public function __clone() {
$this->value = clone $this->value;
}
/**
* Create simple block by token type
* @param string $delimiter Token::T_LEFT_PAREN, Token::T_LEFT_BRACE, or
* Token::T_LEFT_BRACKET
* @return SimpleBlock
*/
public static function newFromDelimiter( $delimiter ) {
return new static( new Token( $delimiter ) );
}
/**
* Return the ending delimiter for a starting delimiter
* @param string $delim Token::T_* constant
* @return string|null Matching Token::T_* constant, if any
*/
public static function matchingDelimiter( $delim ) {
switch ( $delim ) {
case Token::T_LEFT_BRACE:
return Token::T_RIGHT_BRACE;
case Token::T_LEFT_BRACKET:
return Token::T_RIGHT_BRACKET;
case Token::T_LEFT_PAREN:
return Token::T_RIGHT_PAREN;
default:
return null;
}
}
/**
* Get the start token type
* @return string
*/
public function getStartTokenType() {
return $this->startTokenType;
}
/**
* Get the end token type
* @return string
*/
public function getEndTokenType() {
return $this->endTokenType;
}
/**
* Return the block's value
* @return ComponentValueList
*/
public function getValue() {
return $this->value;
}
/** @inheritDoc */
public function toTokenArray() {
$ret = [
new Token( $this->startTokenType, [ 'position' => [ $this->line, $this->pos ] ] ),
];
// Manually looping and appending turns out to be noticeably faster than array_merge.
$tokens = $this->value->toTokenArray();
if ( $tokens && $this->startTokenType === Token::T_LEFT_BRACE ) {
if ( $tokens[0]->type() !== Token::T_WHITESPACE ) {
$ret[] = new Token( Token::T_WHITESPACE, [ 'significant' => false ] );
}
foreach ( $tokens as $v ) {
$ret[] = $v;
}
if ( $tokens[count( $tokens ) - 1]->type() !== Token::T_WHITESPACE ) {
$ret[] = new Token( Token::T_WHITESPACE, [ 'significant' => false ] );
}
} else {
foreach ( $tokens as $v ) {
$ret[] = $v;
}
}
$ret[] = new Token( $this->endTokenType );
return $ret;
}
public function __toString() {
return Util::stringify( $this );
}
}

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Mime Type
text/x-php
Expires
Sat, May 16, 21:15 (1 d, 15 h)
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local-disk
Storage Format
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Storage Handle
42/fd/f87fe838bf0773cf271d3d278515
Default Alt Text
SimpleBlock.php (2 KB)

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