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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/env_logger/src/fmt/writer/termcolor/shim_impl.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/env_logger/src/fmt/writer/termcolor/shim_impl.rs')
-rw-r--r--vendor/env_logger/src/fmt/writer/termcolor/shim_impl.rs73
1 files changed, 73 insertions, 0 deletions
diff --git a/vendor/env_logger/src/fmt/writer/termcolor/shim_impl.rs b/vendor/env_logger/src/fmt/writer/termcolor/shim_impl.rs
new file mode 100644
index 000000000..bfc31d087
--- /dev/null
+++ b/vendor/env_logger/src/fmt/writer/termcolor/shim_impl.rs
@@ -0,0 +1,73 @@
+use std::{io, sync::Mutex};
+
+use crate::fmt::{WritableTarget, WriteStyle};
+
+pub(in crate::fmt::writer) mod glob {}
+
+pub(in crate::fmt::writer) struct BufferWriter {
+ target: WritableTarget,
+}
+
+pub(in crate::fmt) struct Buffer(Vec<u8>);
+
+impl BufferWriter {
+ pub(in crate::fmt::writer) fn stderr(_is_test: bool, _write_style: WriteStyle) -> Self {
+ BufferWriter {
+ target: WritableTarget::Stderr,
+ }
+ }
+
+ pub(in crate::fmt::writer) fn stdout(_is_test: bool, _write_style: WriteStyle) -> Self {
+ BufferWriter {
+ target: WritableTarget::Stdout,
+ }
+ }
+
+ pub(in crate::fmt::writer) fn pipe(
+ _is_test: bool,
+ _write_style: WriteStyle,
+ pipe: Box<Mutex<dyn io::Write + Send + 'static>>,
+ ) -> Self {
+ BufferWriter {
+ target: WritableTarget::Pipe(pipe),
+ }
+ }
+
+ pub(in crate::fmt::writer) fn buffer(&self) -> Buffer {
+ Buffer(Vec::new())
+ }
+
+ pub(in crate::fmt::writer) fn print(&self, buf: &Buffer) -> io::Result<()> {
+ // This impl uses the `eprint` and `print` macros
+ // instead of using the streams directly.
+ // This is so their output can be captured by `cargo test`.
+ match &self.target {
+ // Safety: If the target type is `Pipe`, `target_pipe` will always be non-empty.
+ WritableTarget::Pipe(pipe) => pipe.lock().unwrap().write_all(&buf.0)?,
+ WritableTarget::Stdout => print!("{}", String::from_utf8_lossy(&buf.0)),
+ WritableTarget::Stderr => eprint!("{}", String::from_utf8_lossy(&buf.0)),
+ }
+
+ Ok(())
+ }
+}
+
+impl Buffer {
+ pub(in crate::fmt) fn clear(&mut self) {
+ self.0.clear();
+ }
+
+ pub(in crate::fmt) fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+ self.0.extend(buf);
+ Ok(buf.len())
+ }
+
+ pub(in crate::fmt) fn flush(&mut self) -> io::Result<()> {
+ Ok(())
+ }
+
+ #[cfg(test)]
+ pub(in crate::fmt) fn bytes(&self) -> &[u8] {
+ &self.0
+ }
+}