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vendor/yiisoft/yii2/console/Markdown.php

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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]);
+    }
+}