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8 Commits
Author | SHA1 | Date |
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Chris | 08ab24d665 | |
Chris | fdd1814875 | |
Chris | 75c624520d | |
Chris | ec60970b5d | |
Chris | 7c76928c3b | |
Chris | ff9845e23e | |
Chris | e5b328b822 | |
Chris | cee82fc740 |
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@ -36,9 +36,9 @@ $myShell->setPrompt("test>");
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// Create an anonymous context and add a command
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$ctx = $myShell->createContext("root");
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$ctx->addCommand("hello", function () {
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echo "Hello World!\n";
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});
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$ctx->addCommand("hello", function ($who="World") {
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echo "Hello {$who}!\n";
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}, [ "help"=>"Say hello", "args"=>"who" ]);
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// Run the shell
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$myShell->run();
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@ -6,21 +6,46 @@ use NoccyLabs\Shell\Shell;
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use NoccyLabs\Shell\Context;
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$shell = new Shell();
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$shell->addListener("prompt", function ($event, $shell) {
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$name = $shell->getContextPath();
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$shell->setPrompt("shell{$name}> ");
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$shell->addListener(Shell::EVT_UPDATE_PROMPT, function ($event) {
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$name = $event->shell->getContextPath();
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$event->shell->setPrompt("shell{$name}> ");
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});
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$root = new Context();
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$root->addCommand("test", function () {
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echo "It works!\n";
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});
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$root->addCommand("context", function ($name) {
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$context = new Context($name);
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$context->name = $name;
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return $context;
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});
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$shell->pushContext($root);
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class MyContext extends Context
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{
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public function __construct()
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{
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// Remember to call the parent constructor if you want to use
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// the doccomment syntax to mark commands, as demonstrated
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// at the end of this class for the bar command.
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parent::__construct();
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$this->addCommand("foo",[$this,"foo"],[
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'help' => "Foo command"
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]);
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}
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public function onEnter()
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{
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echo "Entering context!\n";
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}
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public function foo()
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{
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echo "Foo!\n";
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}
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/**
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* @command bar
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* @args
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* @help Bar command
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*/
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public function bar()
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{
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echo "Bar!\n";
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}
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}
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$shell->pushContext(new MyContext());
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$shell->run();
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@ -0,0 +1,31 @@
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<?php
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/*
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* This example demonstrates how to use events to catch commands that
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* have not been handled by any context or builtin.
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*
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*/
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require_once __DIR__."/../vendor/autoload.php";
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use NoccyLabs\Shell\Shell;
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use NoccyLabs\Shell\Style;
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use NoccyLabs\Shell\Context;
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$myShell = new Shell();
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// Set the initial prompt, not really needed.
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$myShell->setPrompt("test>");
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// Create an anonymous context and add a command
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$ctx = $myShell->createContext("root");
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$ctx->addCommand("hello", function () use ($myShell) {
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$myShell->getInput("What is your name?", function ($name) use ($myShell) {
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echo "Hello, {$name}\n";
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$myShell->getInput("Who is your daddy and what does he do?", function ($daddy) {
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echo "{$daddy}? Oookay...\n";
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});
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});
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});
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// Run the shell
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$myShell->run();
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@ -66,6 +66,11 @@ class Context
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$this->findCommands();
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}
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public function onEnter()
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{
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}
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protected function findCommands()
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{
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$refl = new \ReflectionClass(get_called_class());
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@ -54,6 +54,18 @@ class Shell
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* @var Style The style applied to the input text
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*/
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protected $input_style = null;
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/**
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* @var callable The callback to pass the input on to
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*/
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protected $input_callback = null;
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/**
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* @var string Question prompt for getInput()
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*/
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protected $input_prompt = null;
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/**
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* @var string The prompt before changing to $input_prompt
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*/
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protected $input_last_prompt = null;
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/**
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* Constructor
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@ -78,6 +90,16 @@ class Shell
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}
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}
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/**
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* Return the current context
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*
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* @return Context The current context
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*/
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public function getContext()
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{
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return $this->context;
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}
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/**
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* Push a new primary context, saving the previous contexts on a stack.
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*
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@ -92,6 +114,7 @@ class Shell
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$context->setShell($this);
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$this->context = $context;
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$this->dispatchEvent(self::EVT_CONTEXT_CHANGED);
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$context->onEnter();
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}
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/**
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@ -227,7 +250,7 @@ class Shell
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public function setPrompt($text)
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{
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$this->prompt = $text;
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if ($this->lineReader) {
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$this->lineReader->setPromptText($text);
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}
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@ -395,19 +418,30 @@ class Shell
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}
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}
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ksort($ghelp);
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printf("Commands in current context:\n");
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$_ = function($command,$args,$info) {
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printf(" \e[96m%s\e[0m \e[0;3m%s\e[0m \e[30G\e[36m%s\e[0m\n", $command, $args, $info);
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};
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printf("\e[1mCommands:\e[0m\n");
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foreach ($help as $command=>$info) {
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printf(" %-20s %s\n", $command, $info);
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if (strpos($command," ")!==false) {
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list($command,$args) = explode(" ",$command,2);
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} else $args=null;
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$_($command, $args,$info);
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}
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if (count($ghelp)) {
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printf("\nImported from parent contexts:\n");
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foreach ($ghelp as $command=>$info) {
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printf(" %-20s %s\n", $command, $info);
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printf("\e[1mCommands from parent contexts:\e[0m\n");
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if (strpos($command," ")!==false) {
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list($command,$args) = explode(" ",$command,2);
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} else $args=null;
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if (!array_key_exists($command,$ghelp)) continue;
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$_($command, $args,$info);
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}
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}
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printf("\nGlobal commands:\n");
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printf(" %-20s %s\n", "exit", "Leave the shell");
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printf(" %-20s %s\n", "..", "Discard the current context and go to parent");
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printf("\e[1mGlobal commands:\e[0m\n");
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$_("exit", null, "Leave the shell");
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$_(".", null, "Show the context tree");
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$_("..", null, "Discard the current context and go to parent");
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break;
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case 'exit':
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$this->stop();
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@ -532,6 +566,31 @@ class Shell
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return $event;
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}
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public function getInput($prompt, callable $callback)
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{
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$this->addListener(Shell::EVT_UPDATE_PROMPT, [ $this, "onInputPrompt" ], $prompt);
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$this->addListener(Shell::EVT_BEFORE_COMMAND, [ $this, "onInputHandler" ], $this->prompt, $callback);
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}
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public function onInputPrompt(Event $e, $prompt)
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{
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$this->setPrompt($prompt);
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$e->stopPropagation();
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$this->removeListener(Shell::EVT_UPDATE_PROMPT, [ $this, "onInputPrompt" ], $prompt);
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}
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public function onInputHandler(Event $e, $last_prompt, $callback)
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{
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// Restore the prompt
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$this->setPrompt($last_prompt);
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// Remove the listeners and compose the result string
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$this->removeListener(Shell::EVT_BEFORE_COMMAND, [ $this, "onInputHandler" ], $last_prompt, $callback);
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$input = trim($e->command." ".join(" ",$e->args));
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$e->stopPropagation();
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// Call the callback
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call_user_func($callback, $input);
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}
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/**
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* Stop the shell; calling this method will cause the main run() to return.
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*
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