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<?php /** * @package FrameworkOnFramework * @subpackage less * @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt * @note This file has been modified by the Joomla! Project and no longer reflects the original work of its author. */ // Protect from unauthorized access defined('FOF_INCLUDED') or die; /** * This class is taken verbatim from: * * lessphp v0.3.9 * http://leafo.net/lessphp * * LESS css compiler, adapted from http://lesscss.org * * Copyright 2012, Leaf Corcoran <leafot@gmail.com> * Licensed under MIT or GPLv3, see LICENSE * * @package FrameworkOnFramework * @since 2.0 */ class FOFLessFormatterClassic { 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; /** * Public constructor */ public function __construct() { $this->indentLevel = 0; } /** * Indent a string by $n positions * * @param integer $n How many positions to indent * * @return string The indented string */ public function indentStr($n = 0) { return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); } /** * Return the code for a property * * @param string $name The name of the property * @param string $value The value of the property * * @return string The CSS code */ public function property($name, $value) { return $name . $this->assignSeparator . $value . ";"; } /** * Is a block empty? * * @param stdClass $block The block to check * * @return boolean True if the block has no lines or children */ protected function isEmpty($block) { if (empty($block->lines)) { foreach ($block->children as $child) { if (!$this->isEmpty($child)) { return false; } } return true; } return false; } /** * Output a CSS block * * @param stdClass $block The block definition to output * * @return void */ public function block($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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