primo commit

libraries/f0f/less/formatter/classic.php

@@ -0,0 +1,189 @@
+<?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
+ */
+// Protect from unauthorized access
+defined('F0F_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 F0FLessFormatterClassic
+{
+	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 porperty
+	 * @param   string  $value  The value of the porperty
+	 *
+	 * @return  string  The CSS code
+	 */
+	public function property($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--;
+		}
+	}
+}