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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Tokenizer; |
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use Spiral\Core\Component; |
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use Spiral\Core\Traits\SaturateTrait; |
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use Spiral\Tokenizer\Highlighter\Style; |
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/** |
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* Highlights php file using specified style. |
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*/ |
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class Highlighter extends Component |
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{ |
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/** |
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* Sugaring. |
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*/ |
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use SaturateTrait; |
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/** |
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* @invisible |
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* @var Style |
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*/ |
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private $style = null; |
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/** |
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* @invisible |
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* @var array |
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*/ |
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private $tokens = []; |
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/** |
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* Highlighted source. |
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* |
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* @var string |
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*/ |
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private $highlighted = ''; |
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/** |
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* @param string $filename |
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* @param Style|null $style |
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* @param TokenizerInterface|null $tokenizer |
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*/ |
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public function __construct( |
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$filename, |
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Style $style = null, |
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TokenizerInterface $tokenizer = null |
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) { |
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$this->style = !empty($style) ? $style : new Style(); |
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$this->tokens = $this->saturate($tokenizer, TokenizerInterface::class)->fetchTokens( |
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$filename |
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); |
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} |
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/** |
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* Set highlighter styler. |
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* |
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* @param Style $style |
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* @return $this |
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*/ |
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public function setStyle(Style $style) |
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{ |
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$this->style = $style; |
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return $this; |
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} |
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/** |
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* Get highlighted source. |
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* |
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* @return string |
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*/ |
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public function highlight() |
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{ |
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if (!empty($this->highlighted)) { |
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//Nothing to do |
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return $this->highlighted; |
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} |
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$this->highlighted = ''; |
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foreach ($this->tokens as $tokenID => $token) { |
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$this->highlighted .= $this->style->highlightToken( |
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$token[TokenizerInterface::TYPE], |
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htmlentities($token[TokenizerInterface::CODE]) |
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); |
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} |
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return $this->highlighted; |
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} |
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/** |
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* Get only part of php file around specified line. |
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* |
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* @param int|null $line Set as null to avoid line highlighting. |
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* @param int|null $around Set as null to return every line. |
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* @return string |
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*/ |
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public function lines($line = null, $around = null) |
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{ |
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//Chinking by lines |
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$lines = explode("\n", str_replace("\r\n", "\n", $this->highlight())); |
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$result = ""; |
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foreach ($lines as $number => $code) { |
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$human = $number + 1; |
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if ( |
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!empty($around) |
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&& ($human <= $line - $around || $human >= $line + $around) |
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) { |
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//Not included in a range |
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continue; |
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} |
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$result .= $this->style->line( |
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$human, |
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mb_convert_encoding($code, 'utf-8'), |
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$human === $line |
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); |
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} |
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return $result; |
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} |
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} |
spiral /
components
