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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
commit4f9fe856a25ab29345b90e7725509e9ee38a37be (patch)
treee4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /vendor/tracing-subscriber-0.3.3/src/field/delimited.rs
parentAdding upstream version 1.68.2+dfsg1. (diff)
downloadrustc-upstream/1.69.0+dfsg1.tar.xz
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Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/tracing-subscriber-0.3.3/src/field/delimited.rs')
-rw-r--r--vendor/tracing-subscriber-0.3.3/src/field/delimited.rs184
1 files changed, 0 insertions, 184 deletions
diff --git a/vendor/tracing-subscriber-0.3.3/src/field/delimited.rs b/vendor/tracing-subscriber-0.3.3/src/field/delimited.rs
deleted file mode 100644
index 8c78c4b20..000000000
--- a/vendor/tracing-subscriber-0.3.3/src/field/delimited.rs
+++ /dev/null
@@ -1,184 +0,0 @@
-//! A `MakeVisitor` wrapper that separates formatted fields with a delimiter.
-use super::{MakeVisitor, VisitFmt, VisitOutput};
-
-use core::fmt;
-use tracing_core::field::{Field, Visit};
-
-/// A `MakeVisitor` wrapper that wraps a visitor that writes formatted output so
-/// that a delimiter is inserted between writing formatted field values.
-#[derive(Debug, Clone)]
-pub struct Delimited<D, V> {
- delimiter: D,
- inner: V,
-}
-
-/// A visitor wrapper that inserts a delimiter after the wrapped visitor formats
-/// a field value.
-#[derive(Debug)]
-pub struct VisitDelimited<D, V> {
- delimiter: D,
- seen: bool,
- inner: V,
- err: fmt::Result,
-}
-
-// === impl Delimited ===
-
-impl<D, V, T> MakeVisitor<T> for Delimited<D, V>
-where
- D: AsRef<str> + Clone,
- V: MakeVisitor<T>,
- V::Visitor: VisitFmt,
-{
- type Visitor = VisitDelimited<D, V::Visitor>;
- fn make_visitor(&self, target: T) -> Self::Visitor {
- let inner = self.inner.make_visitor(target);
- VisitDelimited::new(self.delimiter.clone(), inner)
- }
-}
-
-impl<D, V> Delimited<D, V> {
- /// Returns a new [`MakeVisitor`] implementation that wraps `inner` so that
- /// it will format each visited field separated by the provided `delimiter`.
- ///
- /// [`MakeVisitor`]: ../trait.MakeVisitor.html
- pub fn new(delimiter: D, inner: V) -> Self {
- Self { delimiter, inner }
- }
-}
-
-// === impl VisitDelimited ===
-
-impl<D, V> VisitDelimited<D, V> {
- /// Returns a new [`Visit`] implementation that wraps `inner` so that
- /// each formatted field is separated by the provided `delimiter`.
- ///
- /// [`Visit`]: https://docs.rs/tracing-core/0.1.6/tracing_core/field/trait.Visit.html
- pub fn new(delimiter: D, inner: V) -> Self {
- Self {
- delimiter,
- inner,
- seen: false,
- err: Ok(()),
- }
- }
-
- fn delimit(&mut self)
- where
- V: VisitFmt,
- D: AsRef<str>,
- {
- if self.err.is_err() {
- return;
- }
-
- if self.seen {
- self.err = self.inner.writer().write_str(self.delimiter.as_ref());
- }
-
- self.seen = true;
- }
-}
-
-impl<D, V> Visit for VisitDelimited<D, V>
-where
- V: VisitFmt,
- D: AsRef<str>,
-{
- fn record_i64(&mut self, field: &Field, value: i64) {
- self.delimit();
- self.inner.record_i64(field, value);
- }
-
- fn record_u64(&mut self, field: &Field, value: u64) {
- self.delimit();
- self.inner.record_u64(field, value);
- }
-
- fn record_bool(&mut self, field: &Field, value: bool) {
- self.delimit();
- self.inner.record_bool(field, value);
- }
-
- fn record_str(&mut self, field: &Field, value: &str) {
- self.delimit();
- self.inner.record_str(field, value);
- }
-
- fn record_debug(&mut self, field: &Field, value: &dyn fmt::Debug) {
- self.delimit();
- self.inner.record_debug(field, value);
- }
-}
-
-impl<D, V> VisitOutput<fmt::Result> for VisitDelimited<D, V>
-where
- V: VisitFmt,
- D: AsRef<str>,
-{
- fn finish(self) -> fmt::Result {
- self.err?;
- self.inner.finish()
- }
-}
-
-impl<D, V> VisitFmt for VisitDelimited<D, V>
-where
- V: VisitFmt,
- D: AsRef<str>,
-{
- fn writer(&mut self) -> &mut dyn fmt::Write {
- self.inner.writer()
- }
-}
-
-#[cfg(test)]
-#[cfg(all(test, feature = "alloc"))]
-mod test {
- use super::*;
- use crate::field::test_util::*;
-
- #[test]
- fn delimited_visitor() {
- let mut s = String::new();
- let visitor = DebugVisitor::new(&mut s);
- let mut visitor = VisitDelimited::new(", ", visitor);
-
- TestAttrs1::with(|attrs| attrs.record(&mut visitor));
- visitor.finish().unwrap();
-
- assert_eq!(
- s.as_str(),
- "question=\"life, the universe, and everything\", tricky=true, can_you_do_it=true"
- );
- }
-
- #[test]
- fn delimited_new_visitor() {
- let make = Delimited::new("; ", MakeDebug);
-
- TestAttrs1::with(|attrs| {
- let mut s = String::new();
- {
- let mut v = make.make_visitor(&mut s);
- attrs.record(&mut v);
- }
- assert_eq!(
- s.as_str(),
- "question=\"life, the universe, and everything\"; tricky=true; can_you_do_it=true"
- );
- });
-
- TestAttrs2::with(|attrs| {
- let mut s = String::new();
- {
- let mut v = make.make_visitor(&mut s);
- attrs.record(&mut v);
- }
- assert_eq!(
- s.as_str(),
- "question=None; question.answer=42; tricky=true; can_you_do_it=false"
- );
- });
- }
-}