Many updates

Cargo.lock

@@ -226,8 +226,10 @@ name = "live-cli"
 version = "0.1.0"
 dependencies = [
  "ansi4tui",
+ "anyhow",
  "atty",
  "crossterm",
+ "shellwords",
  "tui",
 ]
 
@@ -539,6 +541,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "shellwords"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89e515aa4699a88148ed5ef96413ceef0048ce95b43fbc955a33bde0a70fcae6"
+dependencies = [
+ "lazy_static",
+ "regex",
+]
+
 [[package]]
 name = "signal-hook"
 version = "0.1.17"

Cargo.toml

@@ -10,3 +10,5 @@ tui = "0.19"
 crossterm = "0.25"
 atty = "0.2.14"
 ansi4tui = {path = "./ansi4tui/"}
+anyhow = "1.0.66"
+shellwords = "1.1.0"

src/command.rs

@@ -24,9 +24,22 @@ impl Default for CommandResult<'_> {
 }
 
 pub fn run(app: &mut App) {
-    let mut child = Command::new("jq")
-        .arg("-C")
-        .arg(&app.cmdline)
+    let args = match shellwords::split(&app.cmdline) {
+        Ok(a) => a,
+        Err(e) => {
+            app.command_result = CommandResult {
+                status_success: false,
+                stdout: Paragraph::new(""),
+                stderr: Paragraph::new(format!("Argument error: {e:?}")),
+            };
+            return;
+        }
+    };
+
+    let mut child = Command::new(&app.hidden_command)
+        .args(&app.hidden_options)
+        // .arg(&app.cmdline)
+        .args(args)
         .stdin(Stdio::piped())
         .stdout(Stdio::piped())
         .stderr(Stdio::piped())

src/main.rs

@@ -3,6 +3,8 @@
 #![allow(clippy::module_name_repetitions, clippy::cast_possible_truncation)]
 
 mod command;
+use anyhow::bail;
+use anyhow::Result;
 use command::CommandResult;
 use std::{
     io::{self, Write},
@@ -27,6 +29,12 @@ use crossterm::{
 
 /// The state of the application
 pub struct App<'a> {
+    /// The actual command to be called
+    hidden_command: String,
+
+    // A list of hidden options passed to the command
+    hidden_options: Vec<&'static str>,
+
     /// The line the user inputs
     cmdline: String,
 
@@ -38,27 +46,102 @@ pub struct App<'a> {
 
     /// Should every keystroke transform the original text?
     autorun: bool,
+
+    /// Should this command be run when the program starts
+    run_initial: bool,
 }
 
 impl App<'_> {
     #[must_use]
-    pub fn new_with_input(input: String) -> Self {
-        Self {
+    pub fn from_template(input: String, template: &Template) -> Self {
+        let text_orig = Arc::new(input);
+        let command_result = CommandResult::default();
+        let hidden_command = template.command();
+
+        match template {
+            Template::Generic(_) => Self {
                 cmdline: String::new(),
-            text_orig: Arc::new(input),
+                text_orig,
                 command_result: CommandResult::default(),
                 autorun: true,
+                hidden_command,
+                hidden_options: vec![],
+                run_initial: true,
+            },
+            Template::Jq => Self {
+                cmdline: String::from("."),
+                text_orig,
+                command_result,
+                autorun: true,
+                hidden_command,
+                hidden_options: vec!["-C"],
+                run_initial: true,
+            },
+            Template::Grep | Template::Rg => Self {
+                cmdline: String::new(),
+                text_orig,
+                command_result: CommandResult::default(),
+                autorun: true,
+                hidden_command,
+                hidden_options: vec!["--color=always"],
+                run_initial: false,
+            },
+            Template::Sed | Template::Awk => Self {
+                cmdline: String::new(),
+                text_orig,
+                command_result: CommandResult::default(),
+                autorun: true,
+                hidden_command,
+                hidden_options: vec![],
+                run_initial: false,
+            },
         }
     }
 }
 
-fn main() -> Result<(), io::Error> {
-    if atty::is(atty::Stream::Stdin) {
-        return Err(io::Error::new(
-            io::ErrorKind::Other,
-            "You must send stdin to this command",
-        ));
+pub enum Template {
+    Generic(String),
+    Jq,
+    Grep,
+    Rg,
+    Sed,
+    Awk,
+}
+
+impl Template {
+    pub fn from(s: String) -> Self {
+        match s.to_lowercase().trim() {
+            "jq" => Self::Jq,
+            "grep" => Self::Grep,
+            "rg" => Self::Rg,
+            "sed" => Self::Sed,
+            c => Self::Generic(c.to_string()),
         }
+    }
+
+    pub fn command(&self) -> String {
+        match self {
+            Template::Generic(c) => c.to_string(),
+            Template::Jq => String::from("jq"),
+            Template::Grep => String::from("grep"),
+            Template::Rg => String::from("rg"),
+            Template::Sed => String::from("sed"),
+            Template::Awk => String::from("awk"),
+        }
+    }
+}
+
+fn main() -> Result<()> {
+    // Error if we aren't getting any stdin
+    if atty::is(atty::Stream::Stdin) {
+        bail!("You must send stdin to this command");
+    }
+
+    // Get the arguments
+    let arg = match std::env::args().nth(1) {
+        Some(a) => a,
+        None => bail!("You must pass a command"),
+    };
 
     enable_raw_mode()?;
     let mut stdout = io::stdout();
@@ -71,7 +154,7 @@ fn main() -> Result<(), io::Error> {
     let text_orig = io::read_to_string(io::stdin())?;
 
     // Run the actual application
-    let app = App::new_with_input(text_orig);
+    let app = App::from_template(text_orig, &Template::from(arg));
     let _res = run_app(&mut terminal, app);
 
     // Restore terminal
@@ -87,6 +170,10 @@ fn main() -> Result<(), io::Error> {
 }
 
 fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> io::Result<Option<String>> {
+    if app.run_initial {
+        command::run(&mut app);
+    }
+
     loop {
         terminal.draw(|f| ui(f, &app))?;
 
@@ -119,7 +206,6 @@ fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> io::Result<O
 fn ui<B: Backend>(f: &mut Frame<B>, app: &App) {
     let vertical_chunks = Layout::default()
         .direction(Direction::Vertical)
-        .margin(2)
         .constraints([Constraint::Min(3), Constraint::Length(3)].as_ref())
         .split(f.size());