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<?php |
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/** |
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* SCSSPHP |
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* |
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* @copyright 2012-2014 Leaf Corcoran |
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* |
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* @license http://opensource.org/licenses/gpl-license GPL-3.0 |
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* @license http://opensource.org/licenses/MIT MIT |
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* |
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* @link http://leafo.net/scssphp |
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*/ |
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|
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namespace Leafo\ScssPhp\Formatter; |
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|
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use Leafo\ScssPhp\Formatter; |
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|
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/** |
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* SCSS nested formatter |
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* |
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* @author Leaf Corcoran <leafot@gmail.com> |
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*/ |
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class Nested extends Formatter |
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{ |
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public function __construct() |
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{ |
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$this->indentLevel = 0; |
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$this->indentChar = ' '; |
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$this->break = "\n"; |
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$this->open = ' {'; |
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$this->close = ' }'; |
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$this->tagSeparator = ', '; |
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$this->assignSeparator = ': '; |
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} |
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|
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// adjust the depths of all children, depth first |
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public function adjustAllChildren($block) |
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{ |
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// flatten empty nested blocks |
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$children = array(); |
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foreach ($block->children as $i => $child) { |
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if (empty($child->lines) && empty($child->children)) { |
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if (isset($block->children[$i + 1])) { |
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$block->children[$i + 1]->depth = $child->depth; |
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} |
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continue; |
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} |
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$children[] = $child; |
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} |
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|
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$count = count($children); |
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for ($i = 0; $i < $count; $i++) { |
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$depth = $children[$i]->depth; |
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$j = $i + 1; |
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if (isset($children[$j]) && $depth < $children[$j]->depth) { |
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$childDepth = $children[$j]->depth; |
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for (; $j < $count; $j++) { |
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if ($depth < $children[$j]->depth && $childDepth >= $children[$j]->depth) { |
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$children[$j]->depth = $depth + 1; |
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} |
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} |
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} |
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} |
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|
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$block->children = $children; |
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|
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// make relative to parent |
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foreach ($block->children as $child) { |
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$this->adjustAllChildren($child); |
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$child->depth = $child->depth - $block->depth; |
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} |
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} |
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|
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protected function blockLines($inner, $block) |
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{ |
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$glue = $this->break . $inner; |
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|
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foreach ($block->lines as $index => $line) { |
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if (substr($line, 0, 2) === '/*') { |
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$block->lines[$index] = preg_replace('/(\r|\n)+/', $glue, $line); |
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} |
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} |
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|
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echo $inner . implode($glue, $block->lines); |
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|
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if (!empty($block->children)) { |
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echo $this->break; |
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} |
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} |
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|
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protected function block($block) |
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{ |
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if ($block->type == 'root') { |
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$this->adjustAllChildren($block); |
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} |
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|
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$inner = $pre = $this->indentStr($block->depth - 1); |
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if (!empty($block->selectors)) { |
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echo $pre . |
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implode($this->tagSeparator, $block->selectors) . |
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$this->open . $this->break; |
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$this->indentLevel++; |
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$inner = $this->indentStr($block->depth - 1); |
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} |
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|
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if (!empty($block->lines)) { |
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$this->blockLines($inner, $block); |
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} |
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|
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foreach ($block->children as $i => $child) { |
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// echo "*** block: ".$block->depth." child: ".$child->depth."\n"; |
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$this->block($child); |
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if ($i < count($block->children) - 1) { |
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echo $this->break; |
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|
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if (isset($block->children[$i + 1])) { |
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$next = $block->children[$i + 1]; |
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if ($next->depth == max($block->depth, 1) && $child->depth >= $next->depth) { |
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echo $this->break; |
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} |
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} |
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} |
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} |
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|
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if (!empty($block->selectors)) { |
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$this->indentLevel--; |
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echo $this->close; |
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} |
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|
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if ($block->type == 'root') { |
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echo $this->break; |
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} |
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} |
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} |
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|
