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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\console;
use cebe\markdown\block\FencedCodeTrait;
use cebe\markdown\inline\CodeTrait;
use cebe\markdown\inline\EmphStrongTrait;
use cebe\markdown\inline\StrikeoutTrait;
use yii\helpers\Console;
/**
* A Markdown parser that enhances markdown for reading in console environments.
*
* Based on [cebe/markdown](https://github.com/cebe/markdown).
*
* @author Carsten Brandt <mail@cebe.cc>
* @since 2.0
*/
class Markdown extends \cebe\markdown\Parser
{
use FencedCodeTrait;
use CodeTrait;
use EmphStrongTrait;
use StrikeoutTrait;
/**
* @var array these are "escapeable" characters. When using one of these prefixed with a
* backslash, the character will be outputted without the backslash and is not interpreted
* as markdown.
*/
protected $escapeCharacters = [
'\\', // backslash
'`', // backtick
'*', // asterisk
'_', // underscore
'~', // tilde
];
/**
* Renders a code block.
*
* @param array $block
* @return string
*/
protected function renderCode($block)
{
return Console::ansiFormat($block['content'], [Console::NEGATIVE]) . "\n\n";
}
/**
* Render a paragraph block.
*
* @param string $block
* @return string
*/
protected function renderParagraph($block)
{
return rtrim($this->renderAbsy($block['content'])) . "\n\n";
}
/**
* Renders an inline code span `` ` ``.
* @param array $element
* @return string
*/
protected function renderInlineCode($element)
{
return Console::ansiFormat($element[1], [Console::UNDERLINE]);
}
/**
* Renders empathized elements.
* @param array $element
* @return string
*/
protected function renderEmph($element)
{
return Console::ansiFormat($this->renderAbsy($element[1]), [Console::ITALIC]);
}
/**
* Renders strong elements.
* @param array $element
* @return string
*/
protected function renderStrong($element)
{
return Console::ansiFormat($this->renderAbsy($element[1]), [Console::BOLD]);
}
/**
* Renders the strike through feature.
* @param array $element
* @return string
*/
protected function renderStrike($element)
{
return Console::ansiFormat($this->parseInline($this->renderAbsy($element[1])), [Console::CROSSED_OUT]);
}
}