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<?php |
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namespace EM\CssCompiler\Processor; |
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use Composer\IO\IOInterface; |
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use EM\CssCompiler\Container\File; |
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use EM\CssCompiler\Exception\CompilerException; |
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use Leafo\ScssPhp\Compiler as SASSCompiler; |
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use lessc as LESSCompiler; |
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use scss_compass as CompassCompiler; |
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class Processor |
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{ |
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const FORMATTER_COMPRESSED = 'compressed'; |
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const FORMATTER_CRUNCHED = 'crunched'; |
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const FORMATTER_EXPANDED = 'expanded'; |
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const FORMATTER_NESTED = 'nested'; |
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const FORMATTER_COMPACT = 'compact'; |
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const SUPPORTED_FORMATTERS = [ |
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self::FORMATTER_COMPRESSED, |
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self::FORMATTER_CRUNCHED, |
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self::FORMATTER_EXPANDED, |
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self::FORMATTER_NESTED, |
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self::FORMATTER_COMPACT |
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]; |
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/** |
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* @var IOInterface |
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*/ |
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private $io; |
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/** |
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* @var File[] |
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*/ |
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private $files = []; |
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/** |
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* @var SASSCompiler |
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*/ |
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private $sass; |
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/** |
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* @var LESSCompiler |
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*/ |
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private $less; |
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/** |
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* @var CompassCompiler |
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*/ |
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private $compass; |
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public function __construct(IOInterface $io) |
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{ |
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$this->io = $io; |
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$this->initCompilers(); |
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} |
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protected function initCompilers() |
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{ |
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$this->less = new LESSCompiler(); |
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$this->sass = new SASSCompiler(); |
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/** attaches compass functionality to the SASS compiler */ |
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$this->compass = new CompassCompiler($this->sass); |
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} |
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/** |
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* @param string $inputPath |
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* @param string $outputPath |
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* |
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* @throws \Exception |
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*/ |
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public function attachFiles($inputPath, $outputPath) |
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{ |
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if (is_dir($inputPath)) { |
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$files = scandir($inputPath); |
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unset($files[0], $files[1]); |
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foreach ($files as $file) { |
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$this->attachFiles("$inputPath/$file", $outputPath); |
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} |
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} else if (is_file($inputPath)) { |
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$this->files[] = new File($inputPath, $outputPath); |
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} else { |
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throw new \Exception("file doesn't exists"); |
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} |
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} |
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/** |
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* @return string[] |
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*/ |
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public function concatOutput() |
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{ |
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$outputMap = []; |
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foreach ($this->files as $file) { |
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if (!isset($outputMap[$file->getOutputPath()])) { |
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$outputMap[$file->getOutputPath()] = $file->getParsedContent(); |
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} else { |
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$outputMap[$file->getOutputPath()] .= $file->getParsedContent(); |
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} |
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} |
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return $outputMap; |
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} |
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/** |
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* save output into file |
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*/ |
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public function saveOutput() |
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{ |
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foreach ($this->concatOutput() as $path => $content) { |
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$directory = dirname($path); |
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if (!is_dir($dir = $directory)) { |
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$this->io->write("<info>creating directory</info>: {$directory}"); |
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mkdir($directory, 0755, true); |
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} |
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$this->io->write("<info>save output into</info>: {$path}"); |
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file_put_contents($path, $content); |
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} |
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} |
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/** |
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* @param string $formatter |
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* |
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* @throws CompilerException |
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*/ |
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public function processFiles($formatter) |
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{ |
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foreach ($this->files as $file) { |
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$this->io->write("<info>processing</info>: {$file->getSourcePath()}"); |
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$file->setSourceContentFromSourcePath(); |
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switch ($file->getType()) { |
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case File::TYPE_COMPASS: |
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case File::TYPE_SCSS: |
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case File::TYPE_SASS: |
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$this->sass->setFormatter($this->getFormatterClass($formatter)); |
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$content = $this->sass->compile($file->getSourceContent()); |
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break; |
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case File::TYPE_LESS: |
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$content = $this->less->compile($file->getSourceContent()); |
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break; |
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default: |
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throw new CompilerException('unknown compiler'); |
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} |
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$file->setParsedContent($content); |
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} |
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} |
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/** |
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* @param string $formatter |
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* |
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* @return string |
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*/ |
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protected function getFormatterClass($formatter) |
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{ |
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if (!in_array($formatter, static::SUPPORTED_FORMATTERS)) { |
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throw new \InvalidArgumentException('unknown formatter, available options are: ' . print_r(static::SUPPORTED_FORMATTERS, true)); |
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} |
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return 'Leafo\\ScssPhp\\Formatter\\' . ucfirst($formatter); |
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} |
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} |
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learn-symfony /
css-compiler
