Create cli.php

Author: BaseMax

cli.php

@@ -0,0 +1,140 @@
+<?php
+/*
+ * @Name: php-cli-apps (draft in PHP 7.4)
+ * @Author: Max Base
+ * @Repository: https://github.com/BaseMax/php-cli-apps
+ * @Date: August 31, 2020
+ */
+$flags=[];
+if($argc === 1) {
+	help();
+}
+else {
+	if(startsWith($argv[1], "-")) {// && ($argv[1] === "-h" || $argv[1] === "--help")
+		help();
+	}
+	else {
+		$command=$argv[1];
+		callCommand($command);
+	}
+}
+
+function startsWith($haystack, $needle ) {
+	$length = strlen($needle);
+	return substr($haystack, 0, $length) === $needle;
+}
+
+function endsWith($haystack, $needle) {
+	$length = strlen( $needle );
+	if(!$length ) {
+		return true;
+	}
+	return substr($haystack, -$length) === $needle;
+}
+
+function help($command="") {
+  // show special help for commands: if($command == "install") {}
+	print "Usage:
+  donya [command]
+Available Commands:
+  help        Help about any command
+  install     Installing package(s) in DonyaOS
+  remove      Removing package(s) in DonyaOS
+  list        Listing package(s) in DonyaOS
+  search      Search package(s) in the repository of DonyaOS
+Flags:
+  -h, --help   help for donya
+Use \"donya [command] --help\" for more information about a command.
+";
+}
+
+function callCommand($command) {
+	global $argv;
+	$args=$argv;
+	unset($args[0]); // software name. e.g: donya
+	unset($args[1]); // command name
+	$args=array_values($args); // start index of items from 0 in Array
+	switch ($command) {
+		case "i":
+		case "install":
+			commandInstall($args);
+			break;
+		case "r":
+		case "remove":
+			commandRemove($args);
+			break;
+		case "u":
+		case "update":
+			commandUpdate($args);
+			break;
+		case "l":
+		case "list":
+			commandList($args);
+			break;
+		case "s":
+		case "search":
+			commandSearch($args);
+			break;
+		case "h":
+		case "help":
+		default:
+			help($command);
+			break;
+	}
+}
+
+function commandInstall($args) {
+	$flags = flags("install", $args);
+	$args = $flags[1];
+	$flags = $flags[0];
+	print_r($args);
+	print_r($flags);
+	foreach($args as $arg) {
+		// Read list of package from `cache` file and detect category/group name of packages!
+		$group="core"; // WE need to set this from `cache` file
+		$data = file_get_contents("https://donyaos.github.io/Packages/$group/$arg/package.donya");
+		if(($data !== null || $data !== "") and strlen($data) > 0) {
+			print $data;
+		}
+	}
+}
+
+function commandRemove($args) {
+	$flags = flags("remove", $args);
+	$args = $flags[1];
+	$flags = $flags[0];
+	print_r($args);
+	print_r($flags);
+}
+
+function commandList($args) {
+	$flags = flags("list", $args);
+	$args = $flags[1];
+	$flags = $flags[0];
+	print_r($args);
+	print_r($flags);
+}
+
+function commandSearch($args) {
+	$flags = flags("search", $args);
+	$args = $flags[1];
+	$flags = $flags[0];
+	print_r($args);
+	print_r($flags);
+}
+
+function flags($command, $args) {
+	$flags=[];
+	foreach($args as $i=>$arg) {
+		if(startsWith($arg, "-")) {
+			if($arg === "-h" || $arg === "--help") {
+				unset($args[$i]);
+				help();
+			}
+			else if($command == "install" && ($arg == "-r" || $arg == '--rewrite')) {
+				$flags[]="rewrite";
+			}
+		}
+	}
+	return [$flags, $args];
+}