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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @see https://github.com/PHPOffice/PHPWord
* @copyright 2010-2018 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord\Writer\HTML\Style;
use PhpOffice\PhpWord\Style\AbstractStyle as Style;
/**
* Style writer
*
* @since 0.10.0
*/
abstract class AbstractStyle
{
/**
* Parent writer
*
* @var \PhpOffice\PhpWord\Writer\AbstractWriter
*/
private $parentWriter;
/**
* Style
*
* @var array|\PhpOffice\PhpWord\Style\AbstractStyle
*/
private $style;
/**
* Write style
*/
abstract public function write();
/**
* Create new instance
*
* @param array|\PhpOffice\PhpWord\Style\AbstractStyle $style
*/
public function __construct($style = null)
{
$this->style = $style;
}
/**
* Set parent writer.
*
* @param \PhpOffice\PhpWord\Writer\AbstractWriter $writer
*/
public function setParentWriter($writer)
{
$this->parentWriter = $writer;
}
/**
* Get parent writer
*
* @return \PhpOffice\PhpWord\Writer\AbstractWriter
*/
public function getParentWriter()
{
return $this->parentWriter;
}
/**
* Get style
*
* @return array|\PhpOffice\PhpWord\Style\AbstractStyle $style
*/
public function getStyle()
{
if (!$this->style instanceof Style && !is_array($this->style)) {
return '';
}
return $this->style;
}
/**
* Takes array where of CSS properties / values and converts to CSS string
*
* @param array $css
* @return string
*/
protected function assembleCss($css)
{
$pairs = array();
$string = '';
foreach ($css as $key => $value) {
if ($value != '') {
$pairs[] = $key . ': ' . $value;
}
}
if (!empty($pairs)) {
$string = implode('; ', $pairs) . ';';
}
return $string;
}
/**
* Get value if ...
*
* @param bool|null $condition
* @param string $value
* @return string
*/
protected function getValueIf($condition, $value)
{
return $condition == true ? $value : '';
}
}