Merging upstream version 1.70.0+dfsg2.

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

1 files changed, 50 insertions, 0 deletions

diff --git a/vendor/gix-config/src/parse/comment.rs b/vendor/gix-config/src/parse/comment.rs
new file mode 100644
index 000000000..6d4bb15ff
--- /dev/null
+++ b/vendor/gix-config/src/parse/comment.rs
@@ -0,0 +1,50 @@
+use std::{borrow::Cow, fmt::Display};
+
+use bstr::BString;
+
+use crate::parse::Comment;
+
+impl Comment<'_> {
+    /// Turn this instance into a fully owned one with `'static` lifetime.
+    #[must_use]
+    pub fn to_owned(&self) -> Comment<'static> {
+        Comment {
+            tag: self.tag,
+            text: Cow::Owned(self.text.as_ref().into()),
+        }
+    }
+
+    /// Serialize this type into a `BString` for convenience.
+    ///
+    /// Note that `to_string()` can also be used, but might not be lossless.
+    #[must_use]
+    pub fn to_bstring(&self) -> BString {
+        let mut buf = Vec::new();
+        self.write_to(&mut buf).expect("io error impossible");
+        buf.into()
+    }
+
+    /// Stream ourselves to the given `out`, in order to reproduce this comment losslessly.
+    pub fn write_to(&self, mut out: impl std::io::Write) -> std::io::Result<()> {
+        out.write_all(&[self.tag])?;
+        out.write_all(self.text.as_ref())
+    }
+}
+
+impl Display for Comment<'_> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        Display::fmt(&self.to_bstring(), f)
+    }
+}
+
+impl From<Comment<'_>> for BString {
+    fn from(c: Comment<'_>) -> Self {
+        c.into()
+    }
+}
+
+impl From<&Comment<'_>> for BString {
+    fn from(c: &Comment<'_>) -> Self {
+        c.to_bstring()
+    }
+}