first changed

2022-04-07 16:21:17 +05:30
commit 36ea86d8e6
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+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2022 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\VarDumper;
+
+use Symfony\Component\Console\Formatter\OutputFormatter;
+use Symfony\Component\VarDumper\Cloner\Cursor;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+
+/**
+ * A PsySH-specialized CliDumper.
+ */
+class Dumper extends CliDumper
+{
+    private $formatter;
+    private $forceArrayIndexes;
+
+    protected static $onlyControlCharsRx = '/^[\x00-\x1F\x7F]+$/';
+    protected static $controlCharsRx = '/([\x00-\x1F\x7F]+)/';
+    protected static $controlCharsMap = [
+        "\0"   => '\0',
+        "\t"   => '\t',
+        "\n"   => '\n',
+        "\v"   => '\v',
+        "\f"   => '\f',
+        "\r"   => '\r',
+        "\033" => '\e',
+    ];
+
+    public function __construct(OutputFormatter $formatter, $forceArrayIndexes = false)
+    {
+        $this->formatter = $formatter;
+        $this->forceArrayIndexes = $forceArrayIndexes;
+        parent::__construct();
+        $this->setColors(false);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function enterHash(Cursor $cursor, $type, $class, $hasChild)
+    {
+        if (Cursor::HASH_INDEXED === $type || Cursor::HASH_ASSOC === $type) {
+            $class = 0;
+        }
+        parent::enterHash($cursor, $type, $class, $hasChild);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function dumpKey(Cursor $cursor)
+    {
+        if ($this->forceArrayIndexes || Cursor::HASH_INDEXED !== $cursor->hashType) {
+            parent::dumpKey($cursor);
+        }
+    }
+
+    protected function style($style, $value, $attr = []): string
+    {
+        if ('ref' === $style) {
+            $value = \strtr($value, '@', '#');
+        }
+
+        $styled = '';
+        $map = self::$controlCharsMap;
+        $cchr = $this->styles['cchr'];
+
+        $chunks = \preg_split(self::$controlCharsRx, $value, -1, \PREG_SPLIT_NO_EMPTY | \PREG_SPLIT_DELIM_CAPTURE);
+        foreach ($chunks as $chunk) {
+            if (\preg_match(self::$onlyControlCharsRx, $chunk)) {
+                $chars = '';
+                $i = 0;
+                do {
+                    $chars .= isset($map[$chunk[$i]]) ? $map[$chunk[$i]] : \sprintf('\x%02X', \ord($chunk[$i]));
+                } while (isset($chunk[++$i]));
+
+                $chars = $this->formatter->escape($chars);
+                $styled .= "<{$cchr}>{$chars}</{$cchr}>";
+            } else {
+                $styled .= $this->formatter->escape($chunk);
+            }
+        }
+
+        $style = $this->styles[$style];
+
+        return "<{$style}>{$styled}</{$style}>";
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function dumpLine($depth, $endOfValue = false)
+    {
+        if ($endOfValue && 0 < $depth) {
+            $this->line .= ',';
+        }
+        $this->line = $this->formatter->format($this->line);
+        parent::dumpLine($depth, $endOfValue);
+    }
+}