基础代码

2021-02-26 22:23:13 +08:00
parent 7884df52f0
commit a719feebba
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+<?php
+/**
+ * PHP Command Line Tools
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this package in the file LICENSE.
+ *
+ * @author    Ryan Sullivan <rsullivan@connectstudios.com>
+ * @copyright 2010 James Logsdom (http://girsbrain.org)
+ * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
+ */
+
+namespace cli\tree;
+
+/**
+ * The ASCII renderer renders trees with ASCII lines.
+ */
+class Ascii extends Renderer {
+
+    /**
+     * @param array $tree
+     * @return string
+     */
+    public function render(array $tree)
+    {
+        $output = '';
+
+        $treeIterator = new \RecursiveTreeIterator(
+            new \RecursiveArrayIterator($tree),
+            \RecursiveTreeIterator::SELF_FIRST
+        );
+
+        foreach ($treeIterator as $val)
+        {
+            $output .= $val . "\n";
+        }
+
+        return $output;
+    }
+
+}
@@ -0,0 +1,70 @@
+<?php
+/**
+ * PHP Command Line Tools
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this package in the file LICENSE.
+ *
+ * @author    Ryan Sullivan <rsullivan@connectstudios.com>
+ * @copyright 2010 James Logsdom (http://girsbrain.org)
+ * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
+ */
+
+namespace cli\tree;
+
+/**
+ * The ASCII renderer renders trees with ASCII lines.
+ */
+class Markdown extends Renderer {
+
+    /**
+     * How many spaces to indent by
+     * @var int
+     */
+    protected $_padding = 2;
+
+    /**
+     * @param int $padding Optional. Default 2.
+     */
+    function __construct($padding = null)
+    {
+        if ($padding)
+        {
+            $this->_padding = $padding;
+        }
+    }
+
+    /**
+     * Renders the tree
+     *
+     * @param array $tree
+     * @param int $level Optional
+     * @return string
+     */
+    public function render(array $tree, $level = 0)
+    {
+        $output = '';
+
+        foreach ($tree as $label => $next)
+        {
+
+            if (is_string($next))
+            {
+                $label = $next;
+            }
+
+            // Output the label
+            $output .= sprintf("%s- %s\n", str_repeat(' ', $level * $this->_padding), $label);
+
+            // Next level
+            if (is_array($next))
+            {
+                $output .= $this->render($next, $level + 1);
+            }
+
+        }
+
+        return $output;
+    }
+
+}
@@ -0,0 +1,26 @@
+<?php
+/**
+ * PHP Command Line Tools
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this package in the file LICENSE.
+ *
+ * @author    Ryan Sullivan <rsullivan@connectstudios.com>
+ * @copyright 2010 James Logsdom (http://girsbrain.org)
+ * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
+ */
+
+namespace cli\tree;
+
+/**
+ * Tree renderers are used to change how a tree is displayed.
+ */
+abstract class Renderer {
+
+    /**
+     * @param array $tree
+     * @return string|null
+     */
+    abstract public function render(array $tree);
+
+}