Version 1

[yaffs-website] / vendor / psy / psysh / src / Psy / Command / WhereamiCommand.php

diff --git a/vendor/psy/psysh/src/Psy/Command/WhereamiCommand.php b/vendor/psy/psysh/src/Psy/Command/WhereamiCommand.php
new file mode 100644 (file)
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+++ b/vendor/psy/psysh/src/Psy/Command/WhereamiCommand.php
@@ -0,0 +1,123 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Command;
+
+use JakubOnderka\PhpConsoleHighlighter\Highlighter;
+use Psy\Configuration;
+use Psy\ConsoleColorFactory;
+use Psy\Output\ShellOutput;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Show the context of where you opened the debugger.
+ */
+class WhereamiCommand extends Command
+{
+    private $colorMode;
+
+    /**
+     * @param null|string $colorMode (default: null)
+     */
+    public function __construct($colorMode = null)
+    {
+        $this->colorMode = $colorMode ?: Configuration::COLOR_MODE_AUTO;
+
+        if (version_compare(PHP_VERSION, '5.3.6', '>=')) {
+            $this->backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+        } else {
+            $this->backtrace = debug_backtrace();
+        }
+
+        return parent::__construct();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('whereami')
+            ->setDefinition(array(
+                new InputOption('num', 'n', InputOption::VALUE_OPTIONAL, 'Number of lines before and after.', '5'),
+            ))
+            ->setDescription('Show where you are in the code.')
+            ->setHelp(
+                <<<'HELP'
+Show where you are in the code.
+
+Optionally, include how many lines before and after you want to display.
+
+e.g.
+<return>> whereami </return>
+<return>> whereami -n10</return>
+HELP
+            );
+    }
+
+    /**
+     * Obtains the correct trace in the full backtrace.
+     *
+     * @return array
+     */
+    protected function trace()
+    {
+        foreach ($this->backtrace as $i => $backtrace) {
+            if (!isset($backtrace['class'], $backtrace['function'])) {
+                continue;
+            }
+            $correctClass = $backtrace['class'] === 'Psy\Shell';
+            $correctFunction = $backtrace['function'] === 'debug';
+            if ($correctClass && $correctFunction) {
+                return $backtrace;
+            }
+        }
+
+        return end($this->backtrace);
+    }
+
+    /**
+     * Determine the file and line based on the specific backtrace.
+     *
+     * @return array
+     */
+    protected function fileInfo()
+    {
+        $backtrace = $this->trace();
+        if (preg_match('/eval\(/', $backtrace['file'])) {
+            preg_match_all('/([^\(]+)\((\d+)/', $backtrace['file'], $matches);
+            $file = $matches[1][0];
+            $line = (int) $matches[2][0];
+        } else {
+            $file = $backtrace['file'];
+            $line = $backtrace['line'];
+        }
+
+        return compact('file', 'line');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $info = $this->fileInfo();
+        $num = $input->getOption('num');
+        $factory = new ConsoleColorFactory($this->colorMode);
+        $colors = $factory->getConsoleColor();
+        $highlighter = new Highlighter($colors);
+        $contents = file_get_contents($info['file']);
+        $output->page($highlighter->getCodeSnippet($contents, $info['line'], $num, $num), ShellOutput::OUTPUT_RAW);
+    }
+}