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Add simple terminfo detection to std::term #6453

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Add simple terminfo detection to std::term #6453

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26 changes: 15 additions & 11 deletions src/libstd/term.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
use core::io;
use core::option;
use core::os;
use core::path;

// FIXME (#2807): Windows support.

Expand Down Expand Up @@ -45,17 +46,20 @@ pub fn reset(writer: @io::Writer) {

/// Returns true if the terminal supports color
pub fn color_supported() -> bool {
let supported_terms = ~[~"xterm-color", ~"xterm",
~"screen-bce", ~"xterm-256color"];
return match os::getenv(~"TERM") {
option::Some(ref env) => {
for supported_terms.each |term| {
if *term == *env { return true; }
}
false
}
option::None => false
};
let term = match os::getenv(~"TERM") {
option::Some(env) => env,
option::None => ~""
};
let terminfodir = match os::getenv(~"TERMINFO") {
option::Some(env) => env,
option::None => ~"/usr/share/terminfo"
};
if os::path_exists(&path::PosixPath(terminfodir + "/" + str::substr(term, 0, 1) + "/" +
term)) {
return true;
} else {
return false;
}
}

pub fn set_color(writer: @io::Writer, first_char: u8, color: u8) {
Expand Down