A lot of work on platform detection code

Author: castarco

box.json

@@ -10,7 +10,7 @@
     "finder": [
         {
             "name": "*.php",
-            "exclude": ["Tests", "kherge"],
+            "exclude": ["Tests", "Tester"],
             "in": "vendor"
         }
     ],

composer.json

@@ -5,7 +5,8 @@
     "license": "MIT",
     "require": {
         "php": "5.*,>=5.5.9",
-        "symfony/console": "~3.0"
+        "symfony/console": "~3.0",
+        "seld/cli-prompt": "~1.0"
     },
     "require-dev": {},
     "autoload": {

src/Command/Command.php

@@ -0,0 +1,33 @@
+<?php
+
+
+namespace Litipk\JupyterPhpInstaller\Command;
+
+
+use Litipk\JupyterPhpInstaller\Console\Application;
+use Litipk\JupyterPhpInstaller\IO\IOInterface;
+
+use Litipk\JupyterPhpInstaller\IO\NullIO;
+use Symfony\Component\Console\Command\Command as BaseCommand;
+
+
+abstract class Command extends BaseCommand
+{
+    /** @var  IOInterface */
+    private $io;
+
+    public function getIO()
+    {
+        if (null === $this->io) {
+            $application = $this->getApplication();
+
+            if ($application instanceof Application) {
+                $this->io = $application->getIO();
+            } else {
+                $this->io = new NullIO();
+            }
+        }
+
+        return $this->io;
+    }
+}

src/Command/InfoCommand.php

@@ -4,7 +4,6 @@
 namespace Litipk\JupyterPhpInstaller\Command;
 
 
-use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;

src/Command/InstallCommand.php

@@ -4,7 +4,7 @@
 namespace Litipk\JupyterPhpInstaller\Command;
 
 
-use Symfony\Component\Console\Command\Command;
+use Litipk\JupyterPhpInstaller\Installer\Installer;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
@@ -41,6 +41,9 @@ protected function configure()
 
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        $installPath = ($input->hasArgument('path')) ? $input->getArgument('path') : null;
+        $composerCmd = ($input->hasArgument('composer_cmd')) ? $input->getArgument('composer_cmd') : null;
 
+        $installer = Installer::getInstaller($installPath, $composerCmd);
     }
 }

src/Command/UninstallCommand.php

@@ -4,7 +4,6 @@
 namespace Litipk\JupyterPhpInstaller\Command;
 
 
-use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;

src/Command/UpdateCommand.php

@@ -4,7 +4,6 @@
 namespace Litipk\JupyterPhpInstaller\Command;
 
 
-use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;

src/Console/Application.php

@@ -26,7 +26,7 @@
 final class Application extends BaseApplication
 {
     /** @var IOInterface */
-    protected $io;
+    private $io;
 
     public function __construct()
     {
@@ -101,6 +101,14 @@ public function doRun(InputInterface $input, OutputInterface $output)
         return parent::doRun($input, $output);
     }
 
+    /**
+     * @return IOInterface
+     */
+    public function getIO()
+    {
+        return $this->io;
+    }
+
     /**
      * Initializes all the composer commands.
      */

src/IO/NullIO.php

@@ -0,0 +1,122 @@
+<?php
+
+/*
+ * This file is based on a Composer source file.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *     Andres Correa <castarco@litipk.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Litipk\JupyterPhpInstaller\IO;
+
+/**
+ * IOInterface that is not interactive and never writes the output
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class NullIO implements IOInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function isInteractive()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isVerbose()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isVeryVerbose()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isDebug()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isDecorated()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function write($messages, $newline = true)
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function writeError($messages, $newline = true)
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function overwrite($messages, $newline = true, $size = 80)
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function overwriteError($messages, $newline = true, $size = 80)
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function ask($question, $default = null)
+    {
+        return $default;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function askConfirmation($question, $default = true)
+    {
+        return $default;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function askAndValidate($question, $validator, $attempts = false, $default = null)
+    {
+        return $default;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function askAndHideAnswer($question)
+    {
+        return null;
+    }
+}

src/Installer/Installer.php

@@ -0,0 +1,20 @@
+<?php
+
+
+namespace Litipk\JupyterPhpInstaller\Installer;
+
+
+use Litipk\JupyterPhpInstaller\System\System;
+
+abstract class Installer
+{
+    /**
+     * @param null|string $installPath
+     * @param null|string $composerCmd
+     * @return Installer
+     */
+    public static function getInstaller($installPath = null, $composerCmd = null)
+    {
+        $system = System::getSystem();
+    }
+}