turn this into an object

1 files changed, 58 insertions, 0 deletions

diff --git a/src/term.rs b/src/term.rs
index a2cd24f..faceb12 100644
--- a/src/term.rs
+++ b/src/term.rs
@@ -3,6 +3,64 @@
 #[crate_type = "lib"];
 
 pub use ios::{cooked,cbreak,raw,echo,size,isatty};
+use info::{init,escape,escape2};
+
+struct Writer {
+    priv cleanup: bool,
+    priv alternate: bool,
+}
+
+pub fn Writer (cleanup: bool) -> Writer {
+    init();
+    Writer { cleanup: cleanup, alternate: false }
+}
+
+impl Writer {
+    pub fn clear (&self) {
+        io::print(escape("clear"));
+    }
+
+    pub fn move (&self, col: uint, row: uint) {
+        if col == 0u && row == 0u {
+            io::print(escape("home"));
+        }
+        else {
+            io::print(escape2("cup", row as int, col as int));
+        }
+    }
+
+    pub fn cursor (&self, enabled: bool) {
+        if enabled {
+            io::print(escape("civis"));
+        }
+        else {
+            io::print(escape("cnorm"));
+        }
+    }
+
+    pub fn alternate_screen (&mut self, enable: bool) {
+        if enable {
+            io::print(escape("smcup"));
+            self.alternate = true;
+        }
+        else {
+            io::print(escape("rmcup"));
+            self.alternate = false;
+        }
+    }
+}
+
+impl Drop for Writer {
+    fn finalize (&self) {
+        if self.cleanup {
+            if self.alternate {
+                io::print(escape("rmcup"));
+            }
+            io::print(escape("sgr0"));
+            io::print(escape("cnorm"));
+        }
+    }
+}
 
 pub mod ios;
 pub mod info;