terminfo

Terminal capabilities with type-safe getters.

Usage

Add this to your Cargo.toml:

[dependencies]
terminfo = "0.1"

and this to your crate root:

extern crate terminfo;

Example

extern crate terminfo;

use std::io::{self, Write};
use terminfo::{Expand, Database, capability as cap};

fn main() {
  let info = Database::from_env().unwrap();

  if let Some(cap::MaxColors(n)) = info.get::<cap::MaxColors>() {
    println!("The terminal supports {} colors.", n);
  }
  else {
    println!("The terminal does not support colors, what year is this?");
  }

  if let Some(flash) = info.get::<cap::FlashScreen>() {
    io::stdout().write_all(&flash.expand(&[], &mut Default::default()).unwrap()).unwrap();
  }
  else {
    println!("FLASH GORDON!");
  }
}

Packaging and Distributing

For all terminals but windows consoles, this library depends on a non-hashed (for now) terminfo database being present. For example, on Debian derivitives, you should depend on ncurses-term; on Arch Linux, you depend on ncurses; and on MinGW, you should depend on mingw32-terminfo.

Unfortunately, if you're using a non-windows console on Windows (e.g. MinGW, Cygwin, Git Bash), you'll need to set the TERMINFO environment variable to point to the directory containing the terminfo database.