103 lines
3.2 KiB
Rust
103 lines
3.2 KiB
Rust
use criterion::{black_box, Criterion};
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#[derive(Default)]
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struct Strip(String);
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impl Strip {
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fn with_capacity(capacity: usize) -> Self {
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Self(String::with_capacity(capacity))
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}
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}
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impl anstyle_parse::Perform for Strip {
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fn print(&mut self, c: char) {
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self.0.push(c);
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}
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fn execute(&mut self, byte: u8) {
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if byte.is_ascii_whitespace() {
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self.0.push(byte as char);
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}
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}
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}
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fn strip(c: &mut Criterion) {
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for (name, content) in [
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("demo.vte", &include_bytes!("../tests/demo.vte")[..]),
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("rg_help.vte", &include_bytes!("../tests/rg_help.vte")[..]),
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("rg_linus.vte", &include_bytes!("../tests/rg_linus.vte")[..]),
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(
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"state_changes",
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&b"\x1b]2;X\x1b\\ \x1b[0m \x1bP0@\x1b\\"[..],
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),
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] {
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// Make sure the comparison is fair
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if let Ok(content) = std::str::from_utf8(content) {
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let mut stripped = Strip::with_capacity(content.len());
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let mut parser = anstyle_parse::Parser::<anstyle_parse::DefaultCharAccumulator>::new();
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for byte in content.as_bytes() {
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parser.advance(&mut stripped, *byte);
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}
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assert_eq!(
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stripped.0,
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anstream::adapter::strip_str(content).to_string()
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);
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assert_eq!(
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stripped.0,
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String::from_utf8(anstream::adapter::strip_bytes(content.as_bytes()).into_vec())
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.unwrap()
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);
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}
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let mut group = c.benchmark_group(name);
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group.bench_function("advance_strip", |b| {
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b.iter(|| {
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let mut stripped = Strip::with_capacity(content.len());
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let mut parser =
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anstyle_parse::Parser::<anstyle_parse::DefaultCharAccumulator>::new();
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for byte in content {
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parser.advance(&mut stripped, *byte);
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}
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black_box(stripped.0)
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})
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});
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group.bench_function("strip_ansi_escapes", |b| {
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b.iter(|| {
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let stripped = strip_ansi_escapes::strip(content);
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black_box(stripped)
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})
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});
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if let Ok(content) = std::str::from_utf8(content) {
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group.bench_function("strip_str", |b| {
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b.iter(|| {
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let stripped = anstream::adapter::strip_str(content).to_string();
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black_box(stripped)
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})
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});
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group.bench_function("StripStr", |b| {
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b.iter(|| {
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let mut stripped = String::with_capacity(content.len());
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let mut state = anstream::adapter::StripStr::new();
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for printable in state.strip_next(content) {
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stripped.push_str(printable);
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}
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black_box(stripped)
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})
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});
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}
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group.bench_function("strip_bytes", |b| {
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b.iter(|| {
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let stripped = anstream::adapter::strip_bytes(content).into_vec();
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black_box(stripped)
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})
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});
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}
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}
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criterion::criterion_group!(benches, strip);
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criterion::criterion_main!(benches);
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