190 lines
3.4 KiB
PHP
190 lines
3.4 KiB
PHP
<?php
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/**
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* @package FrameworkOnFramework
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* @subpackage less
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* @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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// Protect from unauthorized access
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defined('F0F_INCLUDED') or die;
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/**
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* This class is taken verbatim from:
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*
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* lessphp v0.3.9
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* http://leafo.net/lessphp
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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 2012, Leaf Corcoran <leafot@gmail.com>
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* Licensed under MIT or GPLv3, see LICENSE
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*
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* @package FrameworkOnFramework
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* @since 2.0
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*/
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class F0FLessFormatterClassic
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{
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public $indentChar = " ";
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public $break = "\n";
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public $open = " {";
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public $close = "}";
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public $selectorSeparator = ", ";
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public $assignSeparator = ":";
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public $openSingle = " { ";
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public $closeSingle = " }";
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public $disableSingle = false;
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public $breakSelectors = false;
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public $compressColors = false;
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/**
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* Public constructor
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*/
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public function __construct()
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{
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$this->indentLevel = 0;
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}
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/**
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* Indent a string by $n positions
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*
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* @param integer $n How many positions to indent
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*
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* @return string The indented string
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*/
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public function indentStr($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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* Return the code for a property
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*
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* @param string $name The name of the porperty
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* @param string $value The value of the porperty
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*
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* @return string The CSS code
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*/
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public function property($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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* Is a block empty?
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*
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* @param stdClass $block The block to check
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*
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* @return boolean True if the block has no lines or children
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*/
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protected function isEmpty($block)
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{
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if (empty($block->lines))
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{
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foreach ($block->children as $child)
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{
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if (!$this->isEmpty($child))
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{
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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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* Output a CSS block
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*
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* @param stdClass $block The block definition to output
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*
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* @return void
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*/
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public function block($block)
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{
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if ($this->isEmpty($block))
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{
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return;
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}
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$inner = $pre = $this->indentStr();
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$isSingle = !$this->disableSingle &&
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is_null($block->type) && count($block->lines) == 1;
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if (!empty($block->selectors))
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{
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$this->indentLevel++;
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if ($this->breakSelectors)
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{
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$selectorSeparator = $this->selectorSeparator . $this->break . $pre;
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}
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else
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{
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$selectorSeparator = $this->selectorSeparator;
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}
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echo $pre .
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implode($selectorSeparator, $block->selectors);
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if ($isSingle)
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{
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echo $this->openSingle;
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$inner = "";
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}
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else
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{
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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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{
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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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{
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echo $this->break;
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}
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}
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foreach ($block->children as $child)
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{
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$this->block($child);
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}
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if (!empty($block->selectors))
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{
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if (!$isSingle && empty($block->children))
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{
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echo $this->break;
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}
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if ($isSingle)
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{
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echo $this->closeSingle . $this->break;
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}
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else
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{
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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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