chore: add vendor directory

1 files changed, 114 insertions, 0 deletions

diff --git a/vendor/unicode-width/benches/benches.rs b/vendor/unicode-width/benches/benches.rs
new file mode 100644
index 00000000..44aaee6a
--- /dev/null
+++ b/vendor/unicode-width/benches/benches.rs
@@ -0,0 +1,114 @@
+// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+#![feature(test)]
+
+extern crate test;
+
+use std::iter;
+
+use test::Bencher;
+
+use unicode_width::{UnicodeWidthChar, UnicodeWidthStr};
+
+#[bench]
+fn cargo(b: &mut Bencher) {
+    let string = iter::repeat('a').take(4096).collect::<String>();
+
+    b.iter(|| {
+        for c in string.chars() {
+            test::black_box(UnicodeWidthChar::width(c));
+        }
+    });
+}
+
+#[bench]
+#[allow(deprecated)]
+fn stdlib(b: &mut Bencher) {
+    let string = iter::repeat('a').take(4096).collect::<String>();
+
+    b.iter(|| {
+        for c in string.chars() {
+            test::black_box(c.width());
+        }
+    });
+}
+
+#[bench]
+fn simple_if(b: &mut Bencher) {
+    let string = iter::repeat('a').take(4096).collect::<String>();
+
+    b.iter(|| {
+        for c in string.chars() {
+            test::black_box(simple_width_if(c));
+        }
+    });
+}
+
+#[bench]
+fn simple_match(b: &mut Bencher) {
+    let string = iter::repeat('a').take(4096).collect::<String>();
+
+    b.iter(|| {
+        for c in string.chars() {
+            test::black_box(simple_width_match(c));
+        }
+    });
+}
+
+#[inline]
+fn simple_width_if(c: char) -> Option<usize> {
+    let cu = c as u32;
+    if cu < 127 {
+        if cu > 31 {
+            Some(1)
+        } else if cu == 0 {
+            Some(0)
+        } else {
+            None
+        }
+    } else {
+        UnicodeWidthChar::width(c)
+    }
+}
+
+#[inline]
+fn simple_width_match(c: char) -> Option<usize> {
+    match c as u32 {
+        cu if cu == 0 => Some(0),
+        cu if cu < 0x20 => None,
+        cu if cu < 0x7f => Some(1),
+        _ => UnicodeWidthChar::width(c),
+    }
+}
+
+#[bench]
+fn enwik8(b: &mut Bencher) {
+    // To benchmark, download & unzip `enwik8` from https://data.deepai.org/enwik8.zip
+    let data_path = "bench_data/enwik8";
+    let string = std::fs::read_to_string(data_path).unwrap_or_default();
+    b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str())));
+}
+
+#[bench]
+fn jawiki(b: &mut Bencher) {
+    // To benchmark, download & extract `jawiki-20220501-pages-articles-multistream-index.txt` from
+    // https://dumps.wikimedia.org/jawiki/20220501/jawiki-20220501-pages-articles-multistream-index.txt.bz2
+    let data_path = "bench_data/jawiki-20220501-pages-articles-multistream-index.txt";
+    let string = std::fs::read_to_string(data_path).unwrap_or_default();
+    b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str())));
+}
+
+#[bench]
+fn emoji(b: &mut Bencher) {
+    // To benchmark, download emoji-style.txt from https://www.unicode.org/emoji/charts/emoji-style.txt
+    let data_path = "bench_data/emoji-style.txt";
+    let string = std::fs::read_to_string(data_path).unwrap_or_default();
+    b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str())));
+}