From 660c742902e0f41898e329703a3f0c413b2016cf Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Thu, 28 Apr 2011 14:53:23 -0700
Subject: stdlib: Add a color_supported() function to Term

---
 src/lib/GenericOS.rs | 4 ++++
 src/lib/Term.rs      | 4 ++++
 src/lib/std.rc       | 4 ++++
 3 files changed, 12 insertions(+)
 create mode 100644 src/lib/GenericOS.rs

(limited to 'src/lib')

diff --git a/src/lib/GenericOS.rs b/src/lib/GenericOS.rs
new file mode 100644
index 00000000..2d375652
--- /dev/null
+++ b/src/lib/GenericOS.rs
@@ -0,0 +1,4 @@
+fn getenv(str n) -> str {
+    ret _str.str_from_cstr(os.libc.getenv(_str.buf(n)));
+}
+
diff --git a/src/lib/Term.rs b/src/lib/Term.rs
index 9bf90b1c..0d925d7d 100644
--- a/src/lib/Term.rs
+++ b/src/lib/Term.rs
@@ -30,6 +30,10 @@ fn reset(io.buf_writer writer) {
     writer.write(vec('0' as u8, 'm' as u8));
 }
 
+fn color_supported() -> bool {
+    ret _str.eq(GenericOS.getenv("TERM"), "xterm-color");
+}
+
 fn set_color(io.buf_writer writer, u8 first_char, u8 color) {
     check (color < 16u8);
 
diff --git a/src/lib/std.rc b/src/lib/std.rc
index 8a9ee42d..4efff14b 100644
--- a/src/lib/std.rc
+++ b/src/lib/std.rc
@@ -42,6 +42,9 @@ auth rand.mk_rng = unsafe;
 
 // Target-OS module.
 
+// TODO: Have each OS module re-export everything from GenericOS.
+mod GenericOS;
+
 alt (target_os) {
     case ("win32") {
         mod os = "win32_os.rs";
@@ -54,6 +57,7 @@ alt (target_os) {
         mod os_fs = "posix_fs.rs";
     }
 }
+
 mod run = "run_program.rs";
 mod fs;
 
-- 
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