From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/serde_yaml/src/path.rs | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 third_party/rust/serde_yaml/src/path.rs (limited to 'third_party/rust/serde_yaml/src/path.rs') diff --git a/third_party/rust/serde_yaml/src/path.rs b/third_party/rust/serde_yaml/src/path.rs new file mode 100644 index 0000000000..095add017b --- /dev/null +++ b/third_party/rust/serde_yaml/src/path.rs @@ -0,0 +1,34 @@ +use std::fmt::{self, Display}; + +/// Path to the current value in the input, like `dependencies.serde.typo1`. +#[derive(Copy, Clone)] +pub enum Path<'a> { + Root, + Seq { parent: &'a Path<'a>, index: usize }, + Map { parent: &'a Path<'a>, key: &'a str }, + Alias { parent: &'a Path<'a> }, + Unknown { parent: &'a Path<'a> }, +} + +impl<'a> Display for Path<'a> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> Result<(), fmt::Error> { + struct Parent<'a>(&'a Path<'a>); + + impl<'a> Display for Parent<'a> { + fn fmt(&self, formatter: &mut fmt::Formatter) -> Result<(), fmt::Error> { + match self.0 { + Path::Root => Ok(()), + path => write!(formatter, "{}.", path), + } + } + } + + match self { + Path::Root => formatter.write_str("."), + Path::Seq { parent, index } => write!(formatter, "{}[{}]", parent, index), + Path::Map { parent, key } => write!(formatter, "{}{}", Parent(parent), key), + Path::Alias { parent } => write!(formatter, "{}", parent), + Path::Unknown { parent } => write!(formatter, "{}?", Parent(parent)), + } + } +} -- cgit v1.2.3