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use crate::IsTerminal;
/// In-memory [`RawStream`][crate::RawStream]
#[derive(Clone, Default, Debug, PartialEq, Eq)]
pub struct Buffer(Vec<u8>);
impl Buffer {
#[inline]
pub fn new() -> Self {
Default::default()
}
#[inline]
pub fn with_capacity(capacity: usize) -> Self {
Self(Vec::with_capacity(capacity))
}
#[inline]
pub fn as_bytes(&self) -> &[u8] {
&self.0
}
}
impl AsRef<[u8]> for Buffer {
#[inline]
fn as_ref(&self) -> &[u8] {
self.as_bytes()
}
}
impl IsTerminal for Buffer {
#[inline]
fn is_terminal(&self) -> bool {
false
}
}
impl std::io::Write for Buffer {
#[inline]
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
self.0.extend(buf);
Ok(buf.len())
}
#[inline]
fn flush(&mut self) -> std::io::Result<()> {
Ok(())
}
}
#[cfg(all(windows, feature = "wincon"))]
impl anstyle_wincon::WinconStream for Buffer {
fn set_colors(
&mut self,
fg: Option<anstyle::AnsiColor>,
bg: Option<anstyle::AnsiColor>,
) -> std::io::Result<()> {
use std::io::Write as _;
if let Some(fg) = fg {
write!(self, "{}", fg.render_fg())?;
}
if let Some(bg) = bg {
write!(self, "{}", bg.render_bg())?;
}
if fg.is_none() && bg.is_none() {
write!(self, "{}", anstyle::Reset.render())?;
}
Ok(())
}
fn get_colors(
&self,
) -> std::io::Result<(Option<anstyle::AnsiColor>, Option<anstyle::AnsiColor>)> {
Ok((None, None))
}
}
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