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<?php
/**
* http://leafo.net/lessphp
*
* LESS CSS compiler, adapted from http://lesscss.org
*
* Copyright 2013, Leaf Corcoran <leafot@gmail.com>
* Copyright 2016, Marcus Schwarz <github@maswaba.de>
* Licensed under MIT or GPLv3, see LICENSE
*/
namespace LesserPHP;
class FormatterClassic
{
public $indentChar = ' ';
public $break = "\n";
public $open = ' {';
public $close = '}';
public $selectorSeparator = ', ';
public $assignSeparator = ':';
public $openSingle = ' { ';
public $closeSingle = ' }';
public $disableSingle = false;
public $breakSelectors = false;
public $compressColors = false;
protected int $indentLevel;
public function __construct()
{
$this->indentLevel = 0;
}
public function indentStr($n = 0)
{
return str_repeat($this->indentChar, max($this->indentLevel + $n, 0));
}
public function property($name, $value)
{
return $name . $this->assignSeparator . $value . ';';
}
protected function isEmpty($block)
{
if (empty($block->lines)) {
foreach ($block->children as $child) {
if (!$this->isEmpty($child)) return false;
}
return true;
}
return false;
}
public function block($block)
{
if ($this->isEmpty($block)) return;
$inner = $pre = $this->indentStr();
$isSingle = !$this->disableSingle &&
is_null($block->type) && count($block->lines) == 1;
if (!empty($block->selectors)) {
$this->indentLevel++;
if ($this->breakSelectors) {
$selectorSeparator = $this->selectorSeparator . $this->break . $pre;
} else {
$selectorSeparator = $this->selectorSeparator;
}
echo $pre .
implode($selectorSeparator, $block->selectors);
if ($isSingle) {
echo $this->openSingle;
$inner = '';
} else {
echo $this->open . $this->break;
$inner = $this->indentStr();
}
}
if (!empty($block->lines)) {
$glue = $this->break . $inner;
echo $inner . implode($glue, $block->lines);
if (!$isSingle && !empty($block->children)) {
echo $this->break;
}
}
foreach ($block->children as $child) {
$this->block($child);
}
if (!empty($block->selectors)) {
if (!$isSingle && empty($block->children)) echo $this->break;
if ($isSingle) {
echo $this->closeSingle . $this->break;
} else {
echo $pre . $this->close . $this->break;
}
$this->indentLevel--;
}
}
}
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