refactor(global): move crates around, stricter module isolation

2 files changed, 142 insertions, 0 deletions

diff --git a/crates/whirl_prompt/src/builtins/mod.rs b/crates/whirl_prompt/src/builtins/mod.rs
new file mode 100644
index 0000000..0359443
--- /dev/null
+++ b/crates/whirl_prompt/src/builtins/mod.rs
@@ -0,0 +1,108 @@
+// Copyleft (ɔ) 2021-2021 The Whirlsplash Collective
+// SPDX-License-Identifier: GPL-3.0-only
+
+pub mod structures;
+
+use std::io::Write;
+
+use sysinfo::SystemExt;
+use whirl_config::Config;
+
+use crate::constants::{FILES, HELPABLES_BUILTINS, HELPABLES_BUILTIN_CONFIG};
+
+pub fn builtin_echo(args: &[String]) -> i32 {
+  println!("{}", args.join(" "));
+  0
+}
+
+pub fn builtin_history(history: &[String]) -> i32 {
+  for (index, cmd) in history.iter().enumerate() {
+    println!("{}  {}", index, cmd.trim());
+  }
+  0
+}
+
+pub fn builtin_help() -> i32 {
+  for help in HELPABLES_BUILTINS.iter() {
+    println!("{}", help);
+  }
+
+  0
+}
+
+pub fn builtin_ls() -> i32 {
+  for file in &FILES {
+    print!("{}  ", file);
+  }
+  println!();
+
+  0
+}
+
+pub async fn builtin_cat(args: &[String]) -> i32 {
+  let file;
+  if let Some(file_name) = args.get(0) {
+    file = file_name.to_string();
+  } else {
+    return 0;
+  };
+
+  match file.as_str() {
+    "README.rst" => {
+      let mut easy = curl::easy::Easy::new();
+
+      easy
+        .url("https://raw.githubusercontent.com/Whirlsplash/whirl/develop/README.rst")
+        .unwrap();
+
+      let mut transfer = easy.transfer();
+      transfer
+        .write_function(|data| {
+          std::io::stdout().write_all(data).unwrap();
+          Ok(data.len())
+        })
+        .unwrap();
+      transfer.perform().unwrap();
+    }
+    "Whirl.toml" => {
+      colour::red_ln!("NOTE: This is just a wrapper for `config show`.");
+      println!("{:#?}", Config::get());
+    }
+    _ => println!("/cat: {}: no such file or directory", file),
+  }
+
+  0
+}
+
+pub fn builtin_config(args: &[String]) -> i32 {
+  match args.get(0) {
+    Some(sub) =>
+      match sub.as_str() {
+        "show" => println!("{:#?}", Config::get()),
+        "help" | "--help" | "-h" =>
+          for help in HELPABLES_BUILTIN_CONFIG.iter() {
+            println!("{}", help);
+          },
+        "refresh" => Config::refresh(),
+        _ => println!("invalid arguments provided"),
+      },
+    None => println!("invalid amount arguments provided"),
+  }
+  0
+}
+
+pub fn builtin_fetch() -> i32 {
+  // rfetch: https://github.com/Mangeshrex/rfetch
+
+  let mut sys = sysinfo::System::new();
+  sys.refresh_processes();
+
+  println!("               ");
+  println!("      .-.      os    {}", env!("CARGO_PKG_NAME"));
+  println!("      oo|      ker   {}", env!("CARGO_PKG_VERSION"));
+  println!("     / '\\      sh    /wsh");
+  println!("    (\\_;/)     up    null");
+  println!("               ");
+
+  0
+}
diff --git a/crates/whirl_prompt/src/builtins/structures.rs b/crates/whirl_prompt/src/builtins/structures.rs
new file mode 100644
index 0000000..4217a38
--- /dev/null
+++ b/crates/whirl_prompt/src/builtins/structures.rs
@@ -0,0 +1,34 @@
+// Copyleft (ɔ) 2021-2021 The Whirlsplash Collective
+// SPDX-License-Identifier: GPL-3.0-only
+
+use std::str::FromStr;
+
+pub enum BuiltIn {
+  Echo,
+  History,
+  Exit,
+  Null,
+  Help,
+  Ls,
+  Cat,
+  Config,
+  Fetch,
+}
+impl FromStr for BuiltIn {
+  type Err = ();
+
+  fn from_str(s: &str) -> Result<Self, Self::Err> {
+    match s {
+      "echo" => Ok(BuiltIn::Echo),
+      "history" => Ok(BuiltIn::History),
+      "exit" => Ok(BuiltIn::Exit),
+      "null" => Ok(BuiltIn::Null),
+      "help" => Ok(BuiltIn::Help),
+      "ls" => Ok(BuiltIn::Ls),
+      "cat" => Ok(BuiltIn::Cat),
+      "config" => Ok(BuiltIn::Config),
+      "fetch" => Ok(BuiltIn::Fetch),
+      _ => Err(()),
+    }
+  }
+}