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<?php declare(strict_types=1); |
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namespace Bigwhoop\Trumpet\Presentation\SlideRendering; |
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use Bigwhoop\Trumpet\Commands\CommandExecutionContext; |
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use Bigwhoop\Trumpet\Commands\CommandHandler; |
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use Bigwhoop\Trumpet\Commands\CommandParams; |
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use Bigwhoop\Trumpet\Config\Slide; |
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final class CommandsRenderer implements SlideRenderer |
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{ |
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const COMMAND_PREFIX = '!'; |
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/** @var CommandHandler */ |
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private $commandHandler; |
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/** @var CommandExecutionContext */ |
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private $executionContext; |
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public function __construct(CommandHandler $handler, CommandExecutionContext $executionContext) |
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{ |
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$this->commandHandler = $handler; |
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$this->executionContext = $executionContext; |
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} |
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public function render(Slide $slide): string |
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{ |
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$lines = explode("\n", str_replace("\r", '', $slide->content)); |
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$out = []; |
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foreach ($lines as $line) { |
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if (0 === strpos($line, self::COMMAND_PREFIX)) { |
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$command = substr($line, strlen(self::COMMAND_PREFIX)); |
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list($commandName, $commandParams) = explode(' ', $command, 2); |
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if ($this->commandHandler->hasCommand($commandName)) { |
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$line = $this->commandHandler->execute($commandName, new CommandParams($commandParams), $this->executionContext); |
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} |
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} |
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$out[] = $line; |
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} |
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return implode("\n", $out); |
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} |
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} |
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bigwhoop /
trumpet
