diff options
Diffstat (limited to 'vendor/scssphp/scssphp/src/Formatter/Nested.php')
| -rw-r--r-- | vendor/scssphp/scssphp/src/Formatter/Nested.php | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/vendor/scssphp/scssphp/src/Formatter/Nested.php b/vendor/scssphp/scssphp/src/Formatter/Nested.php new file mode 100644 index 000000000..d5ed85cc2 --- /dev/null +++ b/vendor/scssphp/scssphp/src/Formatter/Nested.php @@ -0,0 +1,238 @@ +<?php + +/** + * SCSSPHP + * + * @copyright 2012-2020 Leaf Corcoran + * + * @license http://opensource.org/licenses/MIT MIT + * + * @link http://scssphp.github.io/scssphp + */ + +namespace ScssPhp\ScssPhp\Formatter; + +use ScssPhp\ScssPhp\Formatter; +use ScssPhp\ScssPhp\Type; + +/** + * Nested formatter + * + * @author Leaf Corcoran <leafot@gmail.com> + * + * @deprecated since 1.4.0. Use the Expanded formatter instead. + * + * @internal + */ +class Nested extends Formatter +{ + /** + * @var int + */ + private $depth; + + /** + * {@inheritdoc} + */ + public function __construct() + { + @trigger_error('The Nested formatter is deprecated since 1.4.0. Use the Expanded formatter instead.', E_USER_DEPRECATED); + + $this->indentLevel = 0; + $this->indentChar = ' '; + $this->break = "\n"; + $this->open = ' {'; + $this->close = ' }'; + $this->tagSeparator = ', '; + $this->assignSeparator = ': '; + $this->keepSemicolons = true; + } + + /** + * {@inheritdoc} + */ + protected function indentStr() + { + $n = $this->depth - 1; + + return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); + } + + /** + * {@inheritdoc} + */ + protected function blockLines(OutputBlock $block) + { + $inner = $this->indentStr(); + $glue = $this->break . $inner; + + foreach ($block->lines as $index => $line) { + if (substr($line, 0, 2) === '/*') { + $replacedLine = preg_replace('/\r\n?|\n|\f/', $this->break, $line); + assert($replacedLine !== null); + $block->lines[$index] = $replacedLine; + } + } + + $this->write($inner . implode($glue, $block->lines)); + } + + /** + * {@inheritdoc} + */ + protected function block(OutputBlock $block) + { + static $depths; + static $downLevel; + static $closeBlock; + static $previousEmpty; + static $previousHasSelector; + + if ($block->type === 'root') { + $depths = [ 0 ]; + $downLevel = ''; + $closeBlock = ''; + $this->depth = 0; + $previousEmpty = false; + $previousHasSelector = false; + } + + $isMediaOrDirective = \in_array($block->type, [Type::T_DIRECTIVE, Type::T_MEDIA]); + $isSupport = ($block->type === Type::T_DIRECTIVE + && $block->selectors && strpos(implode('', $block->selectors), '@supports') !== false); + + while ($block->depth < end($depths) || ($block->depth == 1 && end($depths) == 1)) { + array_pop($depths); + $this->depth--; + + if ( + ! $this->depth && ($block->depth <= 1 || (! $this->indentLevel && $block->type === Type::T_COMMENT)) && + (($block->selectors && ! $isMediaOrDirective) || $previousHasSelector) + ) { + $downLevel = $this->break; + } + + if (empty($block->lines) && empty($block->children)) { + $previousEmpty = true; + } + } + + if (empty($block->lines) && empty($block->children)) { + return; + } + + $this->currentBlock = $block; + + if (! empty($block->lines) || (! empty($block->children) && ($this->depth < 1 || $isSupport))) { + if ($block->depth > end($depths)) { + if (! $previousEmpty || $this->depth < 1) { + $this->depth++; + + $depths[] = $block->depth; + } else { + // keep the current depth unchanged but take the block depth as a new reference for following blocks + array_pop($depths); + + $depths[] = $block->depth; + } + } + } + + $previousEmpty = ($block->type === Type::T_COMMENT); + $previousHasSelector = false; + + if (! empty($block->selectors)) { + if ($closeBlock) { + $this->write($closeBlock); + $closeBlock = ''; + } + + if ($downLevel) { + $this->write($downLevel); + $downLevel = ''; + } + + $this->blockSelectors($block); + + $this->indentLevel++; + } + + if (! empty($block->lines)) { + if ($closeBlock) { + $this->write($closeBlock); + $closeBlock = ''; + } + + if ($downLevel) { + $this->write($downLevel); + $downLevel = ''; + } + + $this->blockLines($block); + + $closeBlock = $this->break; + } + + if (! empty($block->children)) { + if ($this->depth > 0 && ($isMediaOrDirective || ! $this->hasFlatChild($block))) { + array_pop($depths); + + $this->depth--; + $this->blockChildren($block); + $this->depth++; + + $depths[] = $block->depth; + } else { + $this->blockChildren($block); + } + } + + // reclear to not be spoiled by children if T_DIRECTIVE + if ($block->type === Type::T_DIRECTIVE) { + $previousHasSelector = false; + } + + if (! empty($block->selectors)) { + $this->indentLevel--; + + if (! $this->keepSemicolons) { + $this->strippedSemicolon = ''; + } + + $this->write($this->close); + + $closeBlock = $this->break; + + if ($this->depth > 1 && ! empty($block->children)) { + array_pop($depths); + $this->depth--; + } + + if (! $isMediaOrDirective) { + $previousHasSelector = true; + } + } + + if ($block->type === 'root') { + $this->write($this->break); + } + } + + /** + * Block has flat child + * + * @param \ScssPhp\ScssPhp\Formatter\OutputBlock $block + * + * @return bool + */ + private function hasFlatChild($block) + { + foreach ($block->children as $child) { + if (empty($child->selectors)) { + return true; + } + } + + return false; + } +} |