Merging upstream version 1.74.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/vendor/color-print/src/terminfo/style.rs b/vendor/color-print/src/terminfo/style.rs
new file mode 100644
index 000000000..5f14e2bac
--- /dev/null
+++ b/vendor/color-print/src/terminfo/style.rs
@@ -0,0 +1,40 @@
+//! Lazy constants representing the ANSI codes for setting terminal styles, like bold, underline,
+//! etc...
+//!
+//! Terminfo is used internally to guess the right codes.
+
+use lazy_static::lazy_static;
+use terminfo_crate::{capability as cap, expand, Capability};
+
+use crate::terminfo::TERMINFO;
+
+lazy_static! {
+    pub static ref CLEAR: String = style::<cap::ExitAttributeMode>();
+    pub static ref BOLD: String = style::<cap::EnterBoldMode>();
+    pub static ref DIM: String = style::<cap::EnterDimMode>();
+    pub static ref BLINK: String = style::<cap::EnterBlinkMode>();
+    pub static ref ITALICS: String = style::<cap::EnterItalicsMode>();
+    pub static ref REVERSE: String = style::<cap::EnterReverseMode>();
+    pub static ref UNDERLINE: String = style::<cap::EnterUnderlineMode>();
+    pub static ref NO_ITALICS: String = style::<cap::ExitItalicsMode>();
+    pub static ref NO_UNDERLINE: String = style::<cap::ExitUnderlineMode>();
+}
+
+/// Gets the ANSI code which sets the given style `T`.
+fn style<'a, T>() -> String
+where
+    T: Capability<'a> + AsRef<[u8]>,
+{
+    expand0::<'a, T>().unwrap_or_else(|| String::new())
+}
+
+/// Shortcut function for the `style()` function.
+fn expand0<'a, T>() -> Option<String>
+where
+    T: Capability<'a> + AsRef<[u8]>,
+{
+    let info = (*TERMINFO).as_ref()?;
+    let e = expand!(info.get::<T>()?.as_ref()).ok()?;
+    let s = std::str::from_utf8(&e).ok()?;
+    Some(s.to_owned())
+}