limit_cli/tui/commands/
builtin.rs

1//! Built-in commands (help, clear, exit)
2//!
3//! Simple commands that don't require complex state management.
4
5use super::{Command, CommandContext, CommandResult};
6use crate::error::CliError;
7
8/// Help command - displays available commands
9pub struct HelpCommand;
10
11impl Command for HelpCommand {
12    fn name(&self) -> &str {
13        "help"
14    }
15
16    fn aliases(&self) -> Vec<&str> {
17        vec!["?", "h"]
18    }
19
20    fn description(&self) -> &str {
21        "Show available commands and usage information"
22    }
23
24    fn usage(&self) -> Vec<&str> {
25        vec!["/help", "/help <command>"]
26    }
27
28    fn execute(&self, args: &str, ctx: &mut CommandContext) -> Result<CommandResult, CliError> {
29        if args.is_empty() {
30            // General help
31            let help_text = "Available commands:\n\
32                 /help  - Show this help message\n\
33                 /clear - Clear chat history\n\
34                 /exit  - Exit the application\n\
35                 /quit  - Exit the application\n\
36                 /session list  - List all sessions\n\
37                 /session new   - Create a new session\n\
38                 /session load  <id> - Load a session by ID\n\
39                 /share         - Copy session to clipboard (markdown)\n\
40                 /share md      - Export session as markdown file\n\
41                 /share json    - Export session as JSON file\n\
42                 \n\
43                 Page Up/Down - Scroll chat history";
44            ctx.add_system_message(help_text.to_string());
45        } else {
46            // Help for specific command (future enhancement)
47            ctx.add_system_message(format!("Help for command: {}", args));
48        }
49
50        Ok(CommandResult::Continue)
51    }
52}
53
54/// Clear command - clears the chat view
55pub struct ClearCommand;
56
57impl Command for ClearCommand {
58    fn name(&self) -> &str {
59        "clear"
60    }
61
62    fn aliases(&self) -> Vec<&str> {
63        vec!["cls"]
64    }
65
66    fn description(&self) -> &str {
67        "Clear the chat history"
68    }
69
70    fn usage(&self) -> Vec<&str> {
71        vec!["/clear"]
72    }
73
74    fn execute(&self, _args: &str, ctx: &mut CommandContext) -> Result<CommandResult, CliError> {
75        ctx.clear_chat();
76        ctx.add_system_message("Chat cleared".to_string());
77        Ok(CommandResult::ClearChat)
78    }
79}
80
81/// Exit command - exits the application
82pub struct ExitCommand;
83
84impl Command for ExitCommand {
85    fn name(&self) -> &str {
86        "exit"
87    }
88
89    fn aliases(&self) -> Vec<&str> {
90        vec!["quit", "q"]
91    }
92
93    fn description(&self) -> &str {
94        "Exit the application"
95    }
96
97    fn usage(&self) -> Vec<&str> {
98        vec!["/exit", "/quit"]
99    }
100
101    fn execute(&self, _args: &str, _ctx: &mut CommandContext) -> Result<CommandResult, CliError> {
102        Ok(CommandResult::Exit)
103    }
104}
105
106#[cfg(test)]
107mod tests {
108    use super::*;
109
110    #[test]
111    fn test_help_command() {
112        assert_eq!(HelpCommand.name(), "help");
113        assert!(HelpCommand.aliases().contains(&"?"));
114    }
115
116    #[test]
117    fn test_clear_command() {
118        assert_eq!(ClearCommand.name(), "clear");
119        assert!(ClearCommand.aliases().contains(&"cls"));
120    }
121
122    #[test]
123    fn test_exit_command() {
124        assert_eq!(ExitCommand.name(), "exit");
125        assert!(ExitCommand.aliases().contains(&"quit"));
126    }
127}
limit_cli/tui/commands/builtin.rs

limit_cli/tui/commands/
builtin.rs
