| 1 | //! A module which contains [`ANSIFmt`] trait and its implementation [`ANSIStr`] |
| 2 | #[cfg_attr (feature = "std" , doc = "and [`ANSIBuf`]." )] |
| 3 | #[cfg (feature = "std" )] |
| 4 | mod ansi_buf; |
| 5 | mod ansi_str; |
| 6 | |
| 7 | #[cfg (feature = "std" )] |
| 8 | pub use ansi_buf::ANSIBuf; |
| 9 | |
| 10 | pub use self::ansi_str::ANSIStr; |
| 11 | |
| 12 | use core::fmt::{self, Write}; |
| 13 | |
| 14 | /// A trait which prints an ANSI prefix and suffix. |
| 15 | pub trait ANSIFmt { |
| 16 | /// Print ANSI prefix. |
| 17 | fn fmt_ansi_prefix<W: Write>(&self, f: &mut W) -> fmt::Result; |
| 18 | |
| 19 | /// Print ANSI suffix. |
| 20 | fn fmt_ansi_suffix<W: Write>(&self, f: &mut W) -> fmt::Result { |
| 21 | f.write_str(" \u{1b}[0m" ) |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | impl<C> ANSIFmt for &C |
| 26 | where |
| 27 | C: ANSIFmt, |
| 28 | { |
| 29 | fn fmt_ansi_prefix<W: Write>(&self, f: &mut W) -> fmt::Result { |
| 30 | C::fmt_ansi_prefix(self, f) |
| 31 | } |
| 32 | |
| 33 | fn fmt_ansi_suffix<W: Write>(&self, f: &mut W) -> fmt::Result { |
| 34 | C::fmt_ansi_suffix(self, f) |
| 35 | } |
| 36 | } |
| 37 | |