icon

4 files changed, 71 insertions, 2 deletions

diff --git a/src/icon.txt b/src/icon.txt
new file mode 100644
index 0000000..2eedd0c
--- /dev/null
+++ b/src/icon.txt
@@ -0,0 +1,11 @@
+####  #  ####  #  #
+#  #  #  #     #  #
+#  #  #  #     #  #
+####  #  ####  ####
+-------------------
+#     #     #  #  #
+#  #  #  #  #  #  #
+#     #  #  #  #  #
+# # # #############
+#     #            
+#######      # #  #
diff --git a/src/lib.rs b/src/lib.rs
index 44ea346..8730b46 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,7 +8,7 @@
 use std::collections::HashMap;
 use std::ffi::OsStr;
 use std::fs::{self, File};
-use std::io::{self, Read, Write};
+use std::io::{self, BufRead, Read, Write};
 use std::os::unix::ffi::OsStrExt;
 use std::os::unix::io::AsRawFd;
 use std::path::Path;
@@ -35,6 +35,7 @@ pub mod rw;
 pub mod serialization;
 pub mod wait;
 
+use libc::BS0;
 use linebuf::LineBuf;
 use raw::*;
 
@@ -545,3 +546,39 @@ pub fn event_loop() {
 
     session.lock().unwrap().raw_disable();
 }
+
+pub fn icon() -> BString {
+    const DATA: &[u8] = include_bytes!("icon.txt");
+    const COLOR0: &[u8] = b"\x1b[100m";
+    const COLOR1: &[u8] = b"\x1b[47m";
+    const COLOR_RESET: &[u8] = b"\x1b[0m";
+    let mut color = COLOR0;
+    let mut buf = BString::new();
+
+    for line in DATA.split(|x| *x == b'\n') {
+        if line.starts_with(b"-") {
+            color = COLOR1;
+            continue;
+        }
+
+        let mut colored = false;
+        for &b in line {
+            if b == b'#' {
+                if !colored {
+                    buf.push_all(color);
+                    colored = true;
+                }
+            } else if colored {
+                buf.push_all(COLOR_RESET);
+                colored = false;
+            }
+            buf.push_all(b"  ");
+        }
+        if colored {
+            buf.push_all(COLOR_RESET);
+        }
+        buf.push_all(b"\r\n");
+    }
+
+    buf
+}
diff --git a/src/run/builtin.rs b/src/run/builtin.rs
index bd82e27..9f3ff62 100644
--- a/src/run/builtin.rs
+++ b/src/run/builtin.rs
@@ -839,7 +839,7 @@ impl Builtin for ct {
             b"screen_clear" => {
                 drop(se);
                 Session::screen_clear(session);
-            },
+            }
             b"history_previous" => se.history_up(),
             b"history_next" => se.history_down(),
             b"prompt_del_left" => se.del_left(),
@@ -945,3 +945,23 @@ impl Builtin for Here {
         Ok(())
     }
 }
+
+#[derive(Copy, Clone)]
+pub struct logo;
+
+impl Builtin for logo {
+    fn name(&self) -> &str {
+        "logo"
+    }
+
+    fn io(
+        &self,
+        _session: Arc<Mutex<Session>>,
+        _args: &[BString],
+        _stdin: &mut dyn Read,
+        stdout: &mut dyn Write,
+    ) -> Result {
+        stdout.write_all(&crate::icon())?;
+        Ok(())
+    }
+}
diff --git a/src/run/mod.rs b/src/run/mod.rs
index ddac394..a5fd69a 100644
--- a/src/run/mod.rs
+++ b/src/run/mod.rs
@@ -710,6 +710,7 @@ const BUILTINS: &[&'static dyn BuiltinClone] = &[
     &builtin::Break,
     &builtin::Continue,
     &builtin::Here,
+    &builtin::logo,
 ];
 
 pub fn builtin_map() -> HashMap<BString, &'static dyn BuiltinClone> {