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<?php |
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namespace LesserPhp\Formatter; |
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/** |
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* lesserphp |
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* https://www.maswaba.de/lesserphp |
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* |
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* LESS CSS compiler, adapted from http://lesscss.org |
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* |
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* Copyright 2013, Leaf Corcoran <[email protected]> |
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* Copyright 2016, Marcus Schwarz <[email protected]> |
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* Licensed under MIT or GPLv3, see LICENSE |
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* @package LesserPhp |
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*/ |
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class Classic implements FormatterInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $indentChar = ' '; |
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/** |
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* @var string |
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*/ |
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private $break = "\n"; |
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/** |
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* @var string |
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*/ |
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private $open = ' {'; |
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/** |
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* @var string |
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*/ |
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private $close = '}'; |
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/** |
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* @var string |
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*/ |
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private $selectorSeparator = ', '; |
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/** |
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* @var string |
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*/ |
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private $assignSeparator = ':'; |
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/** |
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* @var string |
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*/ |
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private $openSingle = ' { '; |
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/** |
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* @var string |
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*/ |
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private $closeSingle = ' }'; |
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/** |
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* @var bool |
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*/ |
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private $disableSingle = false; |
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/** |
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* @var bool |
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*/ |
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private $breakSelectors = false; |
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/** |
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* @var bool |
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*/ |
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private $compressColors = false; |
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/** |
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* @var int |
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*/ |
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private $indentLevel = 0; |
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/** |
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* @param int $n |
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* |
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* @return string |
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*/ |
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public function indentStr($n = 0) |
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{ |
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return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); |
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} |
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/** |
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* @param string $name |
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* @param string $value |
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* |
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* @return string string |
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*/ |
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public function property($name, $value) |
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{ |
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return $name . $this->assignSeparator . $value . ';'; |
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} |
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/** |
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* @param $block |
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* |
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* @return bool |
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*/ |
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protected function isEmpty($block) |
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{ |
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if (empty($block->lines)) { |
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foreach ($block->children as $child) { |
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if (!$this->isEmpty($child)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param $block |
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* |
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* @return void |
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*/ |
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public function block($block) |
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{ |
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if ($this->isEmpty($block)) { |
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return; |
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} |
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$inner = $pre = $this->indentStr(); |
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$isSingle = !$this->disableSingle && |
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$block->type === null && count($block->lines) === 1; |
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if (!empty($block->selectors)) { |
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$this->indentLevel++; |
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if ($this->breakSelectors) { |
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$selectorSeparator = $this->selectorSeparator . $this->break . $pre; |
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} else { |
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$selectorSeparator = $this->selectorSeparator; |
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} |
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echo $pre . implode($selectorSeparator, $block->selectors); |
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if ($isSingle) { |
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echo $this->openSingle; |
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$inner = ''; |
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} else { |
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echo $this->open . $this->break; |
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$inner = $this->indentStr(); |
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} |
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} |
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if (!empty($block->lines)) { |
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$glue = $this->break . $inner; |
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echo $inner . implode($glue, $block->lines); |
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if (!$isSingle && !empty($block->children)) { |
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echo $this->break; |
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} |
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} |
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foreach ($block->children as $child) { |
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$this->block($child); |
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} |
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if (!empty($block->selectors)) { |
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if (!$isSingle && empty($block->children)) { |
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echo $this->break; |
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} |
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if ($isSingle) { |
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echo $this->closeSingle . $this->break; |
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} else { |
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echo $pre . $this->close . $this->break; |
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} |
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$this->indentLevel--; |
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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 getSelectorSeparator() |
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{ |
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return $this->selectorSeparator; |
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} |
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/** |
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* @param string $separator |
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*/ |
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protected function setSelectorSeparator($separator) |
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{ |
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$this->selectorSeparator = $separator; |
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} |
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/** |
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* @return bool |
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*/ |
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public function getCompressColors() |
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{ |
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return $this->compressColors; |
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} |
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/** |
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* @param bool $compress |
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*/ |
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protected function setCompressColors($compress) |
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{ |
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$this->compressColors = $compress; |
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} |
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/** |
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* @param bool $breakSelectors |
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*/ |
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protected function setBreakSelectors($breakSelectors) |
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{ |
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$this->breakSelectors = $breakSelectors; |
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} |
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/** |
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* @param bool $disableSingle |
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*/ |
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protected function setDisabledSingle($disableSingle) |
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{ |
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$this->disableSingle = $disableSingle; |
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} |
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/** |
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* @param string $breakChar |
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*/ |
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1 |
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protected function setBreakChar($breakChar) |
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{ |
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$this->break = $breakChar; |
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1 |
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} |
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/** |
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* @param string $openChar |
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*/ |
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1 |
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protected function setOpenChar($openChar) |
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{ |
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$this->open = $openChar; |
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1 |
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} |
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/** |
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* @param string $assignOperator |
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*/ |
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protected function setAssignOperator($assignOperator) |
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{ |
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$this->assignSeparator = $assignOperator; |
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} |
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} |
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MarcusSchwarz /
lesserphp
