initial commit: reads table-less keys from argument only

src/main.rs

@@ -0,0 +1,45 @@
+// Copyright (c) 2022 Emma Tebibyte
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+/* Tomcat is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * Tomcat is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+use std::env;
+use std::fs::File;
+use std::io::Read;
+use std::path::Path;
+
+use toml::Value;
+
+fn main() {
+  let arguments: Vec<String> = env::args().collect();
+  let argv0 = &arguments[0];
+  let input = &arguments[2];
+  let mut content = String::new();
+  
+  let file = Path::new(&input);
+  if file.is_file() {
+    let mut content = String::new();
+    File::open(file).expect("").read_to_string(&mut content).unwrap();
+    println!("{}", content);
+  } else { content = input.to_string(); }
+
+  let keyval: Vec<&str> = arguments[1].split(".").collect();
+  let mut toml = content.parse::<Value>().unwrap();
+
+  match toml.get(keyval[1]) {
+    Some(value) => println!("{}", value),
+    None => println!("{}: {}: No such table or key.", argv0, arguments[1]),
+  };
+}